{"id":363,"date":"2019-06-22T02:55:22","date_gmt":"2019-06-22T02:55:22","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=363"},"modified":"2023-05-15T00:47:29","modified_gmt":"2023-05-15T00:47:29","slug":"thuyet-minh-bien-phap-thi-cong-duong-giao-thong-nong-thon-lai-chau","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=363","title":{"rendered":"Thuy\u1ebft minh bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u01b0\u1eddng Giao th\u00f4ng n\u00f4ng th\u00f4n Lai Ch\u00e2u"},"content":{"rendered":"

C\u00f9ng h\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng tham kh\u1ea3o Thuy\u1ebft minh bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u01b0\u1eddng<\/strong><\/a> Giao th\u00f4ng n\u00f4ng th\u00f4n Lai Ch\u00e2u.<\/p>\n

\"\"<\/a>
\nM\u1eadt kh\u1ea9u :<\/strong> Cu\u1ed1i b\u00e0i vi\u1ebft<\/strong><\/span><\/span><\/p>\n

B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c c\u00f3 li\u00ean quan c\u1ee7a H\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng.com :<\/span><\/strong>
\n1. M\u1eabu b\u1ea3n v\u1ebd c\u1ea5p tho\u00e1t n\u01b0\u1edbc<\/a><\/strong>
\n2. B\u00e1o gi\u00e1 thi\u1ebft k\u1ebf c\u1ea5p tho\u00e1t n\u01b0\u1edbc<\/a><\/strong>
\n3. B\u00e1o gi\u00e1 thi c\u00f4ng c\u1ea5p tho\u00e1t n\u01b0\u1edbc<\/span><\/a><\/strong><\/div>\n

 <\/p>\n

THUY\u1ebeT MINH<\/strong><\/p>\n

\u00a0BI\u1ec6N PH\u00c1P T\u1ed4 CH\u1ee8C THI C\u00d4NG<\/strong><\/p>\n

\n

\u00a0D\u1ef0 \u00c1N \u0110\u01af\u1edcNG N\u1eacM CHA – NG\u00c0I TR\u1ed2 – HUY\u1ec6N S\u00ccN H\u1ed2 – LAI CH\u00c2U<\/p>\n<\/div>\n

(KM0+00 -:- KM13+782)<\/p>\n

 <\/p>\n

G\u00d3I TH\u1ea6U S\u1ed0 03 (G\u00d3I TH\u1ea6U X\u00c2Y L\u1eaeP): KM5+782 -:- KM13+782<\/strong><\/p>\n

PH\u1ea6N I<\/u><\/p>\n

GI\u1edaI THI\u1ec6U T\u00ccNH H\u00ccNH CHUNG C\u1ee6A <\/strong><\/p>\n

D\u1ef0 \u00c1N V\u00c0 G\u00d3I TH\u1ea6U<\/strong><\/p>\n

`<\/p>\n

I. GI\u1edaI THI\u1ec6U CHUNG V\u1ec0 D\u1ef0 \u00c1N:<\/strong><\/p>\n

1. M\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n:<\/strong><\/p>\n

– C\u00f4ng tr\u00ecnh \u0111\u01b0\u1eddng N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 sau khi thi c\u00f4ng xong, \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng s\u1ebd t\u1ea1o ra m\u1ea1ng l\u01b0\u1edbi giao th\u00f4ng t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed3ng b\u1ed9 v\u00e0 kh\u00e9p k\u00edn trong khu v\u1ef1c, nh\u1eb1m t\u1eebng b\u01b0\u1edbc ho\u00e0n thi\u1ec7n m\u1ea1ng l\u01b0\u1edbi quy ho\u1ea1ch Giao th\u00f4ng n\u00f4ng th\u00f4n c\u1ee7a t\u1ec9nh Lai Ch\u00e2u.<\/p>\n

\n

M\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 \u0111\u1ed3 g\u1ed7 n\u1ed9i th\u1ea5t An C\u01b0\u1eddng gi\u00e1 r\u1ebb<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :D\u1ef0 TO\u00c1N NH\u00c0 \u1ede V\u00c0 BI\u1ec6T TH\u1ef0<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 gi\u00e0n ph\u01a1i th\u00f4ng minh gi\u00e1 r\u1ebb<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 l\u01b0\u1edbi an to\u00e0n ban c\u00f4ng gi\u00e1 r\u1ebb<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 thi\u1ebft k\u1ebf n\u1ed9i th\u1ea5t<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 l\u01b0\u1edbi an to\u00e0n ban c\u00f4ng<\/strong><\/span><\/a>
\nM\u1eddi qu\u00fd v\u1ecb tham kh\u1ea3o :B\u00e1o gi\u00e1 x\u00e2y nh\u00e0 gi\u00e1 r\u1ebb<\/strong><\/span><\/a><\/p>\n<\/div>\n

– T\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c di d\u00e2n t\u00e1i \u0111\u1ecbnh c\u01b0 thu\u1ef7 \u0111i\u1ec7n S\u01a1n La, v\u1edbi m\u1ee5c \u0111\u00edch \u1ed5n \u0111\u1ecbnh c\u00e1c khu d\u00e2n c\u01b0 trong v\u00f9ng. L\u00e0 c\u1ea7u n\u1ed1i v\u1ec1 kinh t\u1ebf, ch\u00ednh tr\u1ecb, v\u0103n ho\u00e1, x\u00e3 h\u1ed9i gi\u1eefa c\u00e1c v\u00f9ng trong khu v\u1ef1c.<\/p>\n[sociallocker] [\/sociallocker]\n

– H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng giao th\u00f4ng n\u00f4ng th\u00f4n to\u00e0n khu v\u1ef1c n\u00f3i chung v\u00e0 c\u00f4ng tr\u00ecnh \u0111\u01b0\u1eddng N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 n\u00f3i ri\u00eang khi \u0111\u01b0a v\u00e0o khai th\u00e1c, s\u1eed d\u1ee5ng s\u1ebd t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho nh\u00e2n d\u00e2n trong v\u00f9ng T\u0110C Thu\u1ef7 \u0111i\u1ec7n S\u01a1n La ph\u00e1t tri\u1ec3n kinh t\u1ebf, v\u0103n ho\u00e1, x\u00e3 h\u1ed9i, \u1ed5n \u0111\u1ecbnh \u0111\u1eddi s\u1ed1ng \u0111\u1ec3 t\u1eebng b\u01b0\u1edbc n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng, \u0111\u1ed3ng th\u1eddi ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c c\u00e1c d\u1ecbch v\u1ee5 v\u0103n ho\u00e1 x\u00e3 h\u1ed9i v\u00e0 v\u0103n minh \u0111\u00f4 th\u1ecb.<\/p>\n

– H\u00ecnh th\u00e0nh m\u1ea1ng l\u01b0\u1edbi v\u1eadn t\u1ea3i b\u1eb1ng xe c\u01a1 gi\u1edbi, c\u00f3 s\u1ef1 k\u1ebft h\u1ee3p ch\u1eb7t ch\u1ebd gi\u1eefa c\u00e1c ph\u01b0\u01a1ng th\u1ee9c s\u1ea3n xu\u1ea5t t\u1ea1i x\u00e3 v\u00e0 li\u00ean v\u00f9ng… nh\u1eb1m khai th\u00e1c th\u1ebf m\u1ea1nh c\u1ee7a t\u1eebng h\u00ecnh th\u1ee9c kinh doanh v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i.<\/p>\n

\u00a0\u00a0\u00a0\u00a0 2. Vai tr\u00f2 c\u1ee7a d\u1ef1 \u00e1n<\/strong><\/p>\n

– Tuy\u1ebfn N\u1eadm Cha – Ng\u00e0i Tr\u1ed3, thu\u1ed9c \u0111\u1ecba ph\u1eadn huy\u1ec7n S\u00ecn H\u1ed3 – t\u1ec9nh Lai Ch\u00e2u, l\u00e0 tuy\u1ebfn \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng m\u1edbi n\u1ed1i li\u1ec1n 2 \u0111i\u1ec3m T\u0110C Chi\u00eang L\u1ed3ng v\u00e0 Ng\u00e0i Tr\u1ed3, \u0111i\u1ec3m \u0111\u1ea7u tuy\u1ebfn \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u0111i\u1ec3m T\u0110C Chi\u00eang L\u1ed3ng, v\u00e0 \u0111i\u1ec3m cu\u1ed1i tuy\u1ebfn \u0111\u01b0\u1ee3c k\u1ebft th\u00fac t\u1ea1i \u0111i\u1ec3m T\u0110C Ng\u00e0i Tr\u1ed3.<\/p>\n

Hi\u1ec7n t\u1ea1i, trong khu v\u1ef1c x\u00e2y d\u1ef1ng tuy\u1ebfn \u0111\u01b0\u1eddng ch\u01b0a \u0111\u01b0\u1ee3c \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1eddng giao th\u00f4ng, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng giao th\u00f4ng trong khu v\u1ef1c ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u01b0\u1eddng m\u00f2n, \u0111\u01b0\u1eddng d\u00e2n sinh v\u1edbi b\u1ec1 r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng t\u1eeb 1,0 – 1,5m, c\u00f3 \u0111\u1ed9 d\u1ed1c d\u1ecdc l\u1edbn. Lo\u1ea1i \u0111\u01b0\u1eddng n\u00e0y ch\u1ec9 ph\u1ee5c v\u1ee5 ch\u1ee7 y\u1ebfu cho ng\u01b0\u1eddi \u0111i b\u1ed9 v\u00e0 ng\u1ef1a th\u1ed3, c\u00f2n xe m\u00e1y v\u00e0 c\u00e1c lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi kh\u00e1c ch\u01b0a \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c v\u00ec l\u00fd do tr\u01a1n l\u1ea7y, cua g\u1ea5p, \u0111\u1ed9 d\u1ed1c d\u1ecdc l\u1edbn. V\u1edbi th\u1ef1c tr\u1ea1ng nh\u01b0 v\u1eady, \u0111\u1eddi s\u1ed1ng v\u1ec1 m\u1eb7t kinh t\u1ebf, v\u0103n ho\u00e1 – x\u00e3 h\u1ed9i c\u1ee7a nh\u00e2n d\u00e2n n\u01a1i \u0111\u00e2y c\u00f2n g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n, thi\u1ebfu th\u1ed1n v\u1ec1 m\u1ecdi m\u1eb7t. Trong khi \u0111\u00f3, c\u00e1c \u0111i\u1ec3m t\u00e1i \u0111\u1ecbnh c\u01b0 c\u1ee7a x\u00e3 N\u1eadm Cha l\u1ea1i ph\u1ea3i di chuy\u1ec3n v\u1edbi s\u1ed1 h\u1ed9 d\u00e2n l\u1edbn, vi\u1ec7c di chuy\u1ec3n theo k\u1ebf ho\u1ea1ch c\u1ee7a d\u1ef1 \u00e1n c\u0169ng nh\u01b0 b\u00ecnh \u1ed5n cu\u1ed9c s\u1ed1ng sau \u0111\u00f3 g\u1eb7p kh\u00f4ng \u00edt tr\u1edf ng\u1ea1i.<\/p>\n

 <\/p>\n

– Tuy\u1ebfn N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 n\u1eb1m trong quy ho\u1ea1ch t\u1ed5ng th\u1ec3 ph\u00e1t tri\u1ec3n d\u00e2n c\u01b0 trong v\u00f9ng t\u00e1i \u0111\u1ecbnh c\u01b0 thu\u1ef7 \u0111i\u1ec7n S\u01a1n La. Vi\u1ec7c \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng m\u1edbi tuy\u1ebfn \u0111\u01b0\u1eddng N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 theo ti\u00eau chu\u1ea9n \u0111\u01b0\u1eddng c\u1ea5p A* – GTNT \u0111\u1ec3 g\u00f3p ph\u1ea7n \u0111\u1ea9y nhanh ti\u1ebfn \u0111\u1ed9 di d\u00e2n T\u0110C Thu\u1ef7 \u0111i\u1ec7n S\u01a1n La v\u00e0 \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c h\u1ed9 d\u00e2n t\u1ea1i c\u00e1c \u0111i\u1ec3m T\u0110C s\u1edbm \u1ed5n \u0111\u1ecbnh cu\u1ed9c s\u1ed1ng. Khi x\u00e2y d\u1ef1ng xong, \u0111\u01b0a v\u00e0o khai th\u00e1c, s\u1eed d\u1ee5ng, n\u00f3 s\u1ebd l\u00e0 tuy\u1ebfn \u0111\u01b0\u1eddng n\u1ed1i li\u1ec1n c\u00e1c \u0111i\u1ec3m T\u0110C v\u1edbi nhau v\u00e0 n\u1ed1i li\u1ec1n trung t\u00e2m c\u00e1c x\u00e3 trong v\u00f9ng, g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ef1 ph\u00e1t tri\u1ec3n kinh t\u1ebf – giao l\u01b0u bu\u00f4n b\u00e1n gi\u1eefa c\u00e1c huy\u1ec7n S\u00ecn H\u1ed3, huy\u1ec7n Than Uy\u00ean v\u00e0 th\u1ecb x\u00e3 Lai Ch\u00e2u.<\/p>\n

\u00a0\u00a0\u00a0\u00a0 1. N\u1ed9i dung c\u01a1 b\u1ea3n c\u1ee7a d\u1ef1 \u00e1n nh\u01b0 sau:<\/strong><\/p>\n

– T\u00ean ch\u1ee7 \u0111\u1ea7u t\u01b0: Ban QLDA b\u1ed3i th\u01b0\u1eddng, di d\u00e2n T\u0110C huy\u1ec7n S\u00ecn H\u1ed3 t\u1ec9nh Lai Ch\u00e2u.<\/p>\n

– T\u00ean G\u00f3i th\u1ea7u: G\u00f3i th\u1ea7u x\u00e2y l\u1eafp s\u1ed1 3 (T\u1eeb Km5+782m – Km13+782m) c\u00f4ng tr\u00ecnh: \u0110\u01b0\u1eddng N\u1eadm Cha -:- Ng\u00e0i Tr\u1ed3 huy\u1ec7n S\u00ecn H\u1ed3 – t\u1ec9nh Lai Ch\u00e2u.<\/p>\n

– \u0110\u1ecba \u0111i\u1ec3m x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh: X\u00e3 N\u1eadm Cha – huy\u1ec7n S\u00ecn H\u1ed3 – t\u1ec9nh Lai Ch\u00e2u.<\/p>\n

– H\u00ecnh th\u1ee9c \u0111\u1ea7u t\u01b0: X\u00e2y d\u1ef1ng m\u1edbi.<\/p>\n

2. Quy m\u00f4 c\u00e1c h\u1ea1ng m\u1ee5c:<\/strong><\/p>\n

* V\u1ec1 quy m\u00f4:<\/em><\/strong><\/p>\n

Thi c\u00f4ng x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh: G\u00f3i th\u1ea7u s\u1ed1 3 (T\u1eeb Km5+782m – Km13+782m) \u0110\u01b0\u1eddng N\u1eadm Cha -:- Ng\u00e0i Tr\u1ed3 huy\u1ec7n S\u00ecn H\u1ed3 – T\u1ec9nh Lai Ch\u00e2u v\u1edbi ti\u00eau chu\u1ea9n \u0111\u01b0\u1eddng GTNT lo\u1ea1i B v\u1edbi:<\/p>\n

+ B\u1ec1 r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng Bn = 4,0m (Kh\u00f4ng k\u1ec3 \u0111\u01b0\u1eddng cong m\u1edf r\u1ed9ng).<\/p>\n

+ B\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng Bm= 3,0m<\/p>\n

+ Chi\u1ec1u r\u1ed9ng l\u1ec1 \u0111\u01b0\u1eddng Bl = 2×0,5m.<\/p>\n

+ \u0110\u1ed9 d\u1ed1c ngang m\u1eb7t \u0111\u01b0\u1eddng Im = 4%.<\/p>\n

+ \u0110\u1ed9 d\u1ed1c ngang l\u1ec1 \u0111\u01b0\u1eddng Il = 5%.<\/p>\n

+ B\u1ec1 r\u1ed9ng r\u00e3nh d\u1ecdc Br = (0,5+0,2)x0,3m.<\/p>\n

+ B\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong b\u1eb1ng t\u1ed1i thi\u1ec3u Rmin \u00b3 15m.<\/p>\n

+ D\u1ed1c d\u1ecdc t\u1ed1i \u0111a Imax \u00a3 10%; Icb = 12%.<\/p>\n

\u00a0\u00a0\u00a0 – K\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng:<\/em><\/strong><\/p>\n

+ Nh\u1eefng \u0111o\u1ea1n c\u00f3 \u0111\u1ed9 d\u1ed1c d\u1ecdc I \u00a3 8%: C\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i h = 20cm<\/p>\n

+ Nh\u1eefng \u0111o\u1ea1n c\u00f3 \u0111\u1ed9 d\u1ed1c d\u1ecdc 8% < I \u00a3 12%: C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m k\u1eb9p \u0111\u1ea5t h = 20cm<\/p>\n

– H\u1ec7 th\u1ed1ng c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc:<\/p>\n

+ C\u1ed1ng tho\u00e1t n\u01b0\u1edbc thi\u1ebft k\u1ebf v\u0129nh c\u1eedu, t\u1ea3i tr\u1ecdng thi\u1ebft k\u1ebf H13-X60<\/p>\n

+ R\u00e3nh tho\u00e1t n\u01b0\u1edbc d\u1ecdc thi\u1ebft k\u1ebf r\u00e3nh h\u1edf ti\u1ebft di\u1ec7n h\u00ecnh thang, m\u1eb7t r\u1ed9ng 0,7m; \u0111\u00e1y r\u1ed9ng 0,3m; s\u00e2u 0,3m. Nh\u1eefng \u0111o\u1ea1n tuy\u1ebfn c\u00f3 \u0111\u1ed9 d\u1ed1c d\u1ecdc > 6% \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf gia c\u1ed1 b\u1eb1ng BTXM d\u00e0y 12cm.<\/p>\n

– H\u1ec7 th\u1ed1ng k\u00e8:<\/p>\n

+ T\u1ea1i c\u00e1c v\u1ecb tr\u00ed \u0111\u1eafp\u00a0 cao, c\u00f3 \u0111\u1ed9 d\u1ed1c ngang l\u1edbn \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed x\u00e2y d\u1ef1ng k\u00e8 BT ho\u1eb7c k\u00e8 r\u1ecd th\u00e9p x\u1ebfp \u0111\u00e1 h\u1ed9c. Bao g\u1ed3m:<\/p>\n

+ T\u1eeb Km6+977,15 – Km7+12,48m c\u00f3 chi\u1ec1u d\u00e0i L = 28m.<\/p>\n

+ T\u1eeb Km7+209,57 – Km7+240,23m c\u00f3 chi\u1ec1u d\u00e0i L = 16m.<\/p>\n

– T\u1ed5ng chi\u1ec1u d\u00e0i tuy\u1ebfn L = 8,0 Km.<\/p>\n

* \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ecba h\u00ecnh, \u0111\u1ecba ch\u1ea5t, kh\u00ed h\u1eadu thu\u1ef7 v\u0103n c\u1ee7a v\u00f9ng tuy\u1ebfn \u0111i qua.<\/strong><\/p>\n

+ \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ecba h\u00ecnh<\/em><\/strong><\/p>\n

– Tuy\u1ebfn \u0111\u01b0\u1eddng \u0111i qua khu v\u1ef1c c\u00f3 \u0111\u1ecba h\u00ecnh t\u01b0\u01a1ng \u0111\u1ed1i ph\u1ee9c t\u1ea1p, \u0111a d\u1ea1ng \u0111\u1eb7c tr\u01b0ng l\u00e0 thung l\u0169ng v\u00e0 \u0111\u1ed3i n\u00fai cao v\u1edbi nhi\u1ec1u khe t\u1ee5 thu\u1ef7 \u0111\u1ed5 xu\u1ed1ng t\u1eeb s\u01b0\u1eddn \u0111\u1ed1c, tuy\u1ebfn \u0111\u01b0\u1ee3c tri\u1ec3n khai b\u00e1m theo s\u01b0\u1eddn \u0111\u1ed3i, tuy\u1ebfn \u0111i qua c\u00e1c th\u00f4n b\u1ea3n \u0111\u00e3 c\u00f3. \u0110\u1ed9 d\u1ed1c ngang l\u1edbn, trung b\u00ecnh l\u00e0 70%.<\/p>\n

+ \u0110\u1eb7c \u0111i\u1ec3m kh\u00ed h\u1eadu, thu\u1ef7 v\u0103n<\/em><\/strong><\/p>\n

– N\u1eb1m trong \u0111\u1ecba b\u00e0n t\u1ec9nh Lai Ch\u00e2u, l\u00e0 m\u1ed9t t\u1ec9nh \u0111\u1ed3i n\u00fai n\u00ean t\u00ecnh h\u00ecnh kh\u00ed h\u1eadu khu v\u1ef1c c\u0169ng mang c\u00e1c n\u00e9t \u0111\u1eb7c tr\u01b0ng, m\u00f9a h\u1ea1 t\u1eeb th\u00e1ng 5 \u0111\u1ebfn th\u00e1ng 10, m\u00f9a \u0111\u00f4ng t\u1eeb th\u00e1ng 11 \u0111\u1ebfn th\u00e1ng 4.<\/p>\n

– Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh n\u0103m v\u00e0o kho\u1ea3ng 24-25o<\/sup>C, Nh\u1eefng th\u00e1ng gi\u1eefa m\u00f9a \u0111\u00f4ng kh\u00e1 l\u1ea1nh c\u00f3 3 th\u00e1ng (t\u1eeb th\u00e1ng 12 \u0111\u1ebfn th\u00e1ng 2) nhi\u1ec7t \u0111\u1ed9 xu\u1ed1ng d\u01b0\u1edbi 20o<\/sup>C, th\u00e1ng l\u1ea1nh nh\u1ea5t l\u00e0 th\u00e1ng 1 c\u00f3 nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh kho\u1ea3ng 18-19o<\/sup>C. M\u00f9a h\u1ea1 c\u00f3 t\u1edbi 3-4 th\u00e1ng nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh v\u01b0\u1ee3t qu\u00e1 30o<\/sup>C (t\u1eeb th\u00e1ng 4 – \u0111\u1ebfn th\u00e1ng 8). Th\u00e1ng n\u00f3ng nh\u1ea5t l\u00e0 th\u00e1ng 6 v\u00e0 th\u00e1ng 7 c\u00f3 nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh l\u00e0 34o<\/sup>C.<\/p>\n

– L\u01b0\u1ee3ng m\u01b0a trung b\u00ecnh n\u0103m trong khu v\u1ef1c kho\u1ea3ng 2.200 – 2.500mm. M\u00f9a m\u01b0a k\u00e9o d\u00e0i 06 th\u00e1ng, b\u1eaft \u0111\u1ea7u t\u1eeb th\u00e1ng 07 v\u00e0 k\u1ebft th\u00fac v\u00e0o th\u00e1ng 12. Ba th\u00e1ng m\u01b0a l\u1edbn nh\u1ea5t l\u00e0 v\u00e0o th\u00e1ng 8, 9, 10. Ch\u1ebf \u0111\u1ed9 m\u01b0a bi\u1ebfn \u0111\u1ed9ng m\u1ea1nh.<\/p>\n

– \u0110\u1ed9 \u1ea9m trung b\u00ecnh n\u0103m c\u1ee7a khu v\u1ef1c tuy\u1ebfn \u0111i qua kho\u1ea3ng 83-84%. M\u00f9a \u1ea9m \u01b0\u1edbt k\u00e9o d\u00e0i t\u1eeb th\u00e1ng 4 \u0111\u1ebfn th\u00e1ng 9 c\u00f3 \u0111\u1ed9 \u1ea9m tr\u00ean d\u01b0\u1edbi 90%. Th\u1eddi k\u1ef3 \u1ea9m nh\u1ea5t l\u00e0 c\u00e1c th\u00e1ng cu\u1ed1i m\u00f9a \u0111\u00f4ng. Bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng \u0111\u1ed9 \u1ea9m gi\u1eefa c\u00e1c th\u00e1ng \u1ea9m nh\u1ea5t v\u00e0 kh\u00f4 nh\u1ea5t \u0111\u1ea1t t\u1edbi 18-19%.<\/p>\n

* \u0110\u1eb7c \u0111i\u1ec3m \u0111\u1ecba ch\u1ea5t:<\/strong><\/p>\n

\u0110\u1ecba ch\u1ea5t \u1ed5n \u0111\u1ecbnh cho x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh. N\u1ec1n m\u00f3ng c\u1ee7a c\u00e1c h\u1ea1ng m\u1ee5c ch\u1ee7 y\u1ebfu l\u00e0 \u0111\u1ea5t C3; C4; \u0110\u00e1 C3 v\u00e0 \u0111\u00e1 C4.<\/p>\n

II. C\u00c1C C\u0102N C\u1ee8 L\u1eacP PH\u01af\u01a0NG \u00c1N THI C\u00d4NG<\/strong><\/p>\n

– C\u0103n c\u1ee9 v\u00e0o Th\u00f4ng b\u00e1o m\u1eddi th\u1ea7u k\u00e8m theo H\u1ed3 s\u01a1 m\u1eddi th\u1ea7u ng\u00e0y 19 th\u00e1ng 11 n\u0103m 2007 c\u1ee7a Ban QLDA BTDD T\u0110C huy\u1ec7n S\u00ecn H\u1ed3.<\/p>\n

– C\u0103n c\u1ee9 v\u00e0o H\u1ed3 s\u01a1 thi\u1ebft k\u1ebf B\u00e3n v\u1ebd thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t.<\/p>\n

– C\u0103n c\u1ee9 Lu\u1eadt X\u00e2y d\u1ef1ng s\u1ed1 16\/2003\/QH11 ng\u00e0y 16 th\u00e1ng 11 n\u0103m 2003 c\u1ee7a Qu\u1ed1c h\u1ed9i kh\u00f3a 11 k\u1ef3 h\u1ecdp th\u1ee9 IV.<\/p>\n

– C\u0103n c\u1ee9 Ngh\u1ecb \u0111\u1ecbnh 209\/2004\/N\u0110-CP ng\u00e0y 16 th\u00e1ng 12 n\u0103m 2004 c\u1ee7a Ch\u00ednh ph\u1ee7 v\u1ec1 Qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n

\"\"<\/a><\/p>\n

– C\u0103n c\u1ee9 Quy\u1ebft \u0111\u1ecbnh s\u1ed1 41\/2006\/Q\u0110-BXD ng\u00e0y 29 th\u00e1ng 12 n\u0103m 2006 c\u1ee7a B\u1ed9 X\u00e2y d\u1ef1ng v\u1ec1 vi\u1ec7c ban h\u00e0nh Ti\u00eau chu\u1ea9n X\u00e2y d\u1ef1ng 371:2006 v\u1ec1 nghi\u1ec7m thu ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n

– C\u0103n c\u1ee9 h\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a Nh\u00e0 n\u01b0\u1edbc.<\/p>\n

+ T\u1ed5 ch\u1ee9c thi c\u00f4ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0TCVN 4055-1985<\/p>\n

+ Quy tr\u00ecnh l\u1eadp TK v\u00e0 t\u1ed5 ch\u1ee9c XD, thi\u1ebft k\u1ebf\u00a0 TC\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 4252-1988<\/p>\n

+ H\u01b0\u1edbng d\u1eabn x\u00e2y d\u1ef1ng, s\u1ed5 tay ch\u1ea5t l\u01b0\u1ee3ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0TCVN 5951-1995<\/p>\n

+ C\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, sai s\u1ed1 h\u00ecnh h\u1ecdc cho ph\u00e9p\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0TCVN 5593-1991<\/p>\n

+ C\u00f4ng t\u00e1c tr\u1eafc \u0111\u1ea1c \u0111\u1ecba h\u00ecnh\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCXDVN 309-2004<\/p>\n

+ C\u00f4ng t\u00e1c tr\u1eafc \u0111\u1ecba trong x\u00e2y d\u1ef1ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 3972-1984<\/p>\n

+ C\u1ed1ng tr\u00f2n BTCT l\u1eafp gh\u00e9p\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 22 TCN 159-86<\/p>\n

+ H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n an to\u00e0n lao \u0111\u1ed9ng\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0TCVN 2287-1978<\/p>\n

+ G\u1ed7 – Ph\u1ea7n nh\u00f3m theo t\u00ednh ch\u1ea5t c\u01a1 l\u00fd \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0TCVN 1072-1971<\/p>\n

+ G\u1ed7 x\u00e2y d\u1ef1ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 1073-1991<\/p>\n

+ C\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ec3 th\u1eed xim\u0103ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0TCVN 139-1991<\/p>\n

+ Xi m\u0103ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 2682-1992<\/p>\n

+ Quy tr\u00ecnh th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a \u0111\u00e1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 22TCN – 57-1984<\/p>\n

+ C\u00e1t x\u00e2y d\u1ef1ng, y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0TCVN 1770-1987<\/p>\n

+ C\u00e1t x\u00e2y d\u1ef1ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 337-1986<\/p>\n

+ \u0110\u00e1 d\u0103m, s\u1ecfi d\u0103m, s\u1ecfi d\u00f9ng trong x\u00e2y d\u1ef1ng \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0TCVN 1771-1987<\/p>\n

+ V\u1eefa X\u00e2y d\u1ef1ng – Ph\u00e2n lo\u1ea1i\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0TCVN 4314-1986<\/p>\n

+ H\u01b0\u1edbng d\u1eabn X\u00e2y d\u1ef1ng pha tr\u1ed9n v\u00e0 s\u1eed d\u1ee5ng v\u1eefa XD\u00a0\u00a0\u00a0 TCVN\u00a0 4459-1987<\/p>\n

+ Nghi\u1ec7m thu c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0TCVN 371:2006<\/p>\n

+ C\u00f4ng t\u00e1c ho\u00e0n thi\u1ec7n m\u1eb7t b\u1eb1ng x\u00e2y d\u1ef1ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0TCVN 4561-1988<\/p>\n

+ C\u00f4ng t\u00e1c \u0111\u1ea5t. Quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0TCVN 4447-1987<\/p>\n

+ Thi c\u00f4ng v\u00e0 nghi\u1ec7m thu c\u00f4ng t\u00e1c n\u1ec1n m\u00f3ng\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCXD 79-1980<\/p>\n

+ K\u1ebft c\u1ea5u g\u1ea1ch \u0111\u00e1, quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu\u00a0 \u00a0\u00a0TCVN 408-1985<\/p>\n

+ K\u1ebft c\u1ea5u b\u00ea t\u00f4ng v\u00e0 b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 4053-1995<\/p>\n

+ N\u01b0\u1edbc cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa, y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 4506-1987<\/p>\n

+ Quy tr\u00ecnh th\u00ed nghi\u1ec7m n\u01b0\u1edbc trong CT G.Th\u00f4ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 22TCN 61-1984<\/p>\n

+ K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 5574-1991<\/p>\n

+ B\u00ea t\u00f4ng n\u1eb7ng. Y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng \u1ea9m t\u1ef1 nhi\u00ean \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 5592-1991<\/p>\n

+ B\u00ea t\u00f4ng n\u1eb7ng. L\u1ea5y m\u1eabu ch\u1ebf t\u1ea1o v\u00e0 b\u1ea3o d\u01b0\u1ee1ng\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0 TCVN 3105-1993<\/p>\n

+ C\u1ed1t th\u00e9p b\u00ea t\u00f4ng\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 4453-1995<\/p>\n

+ B\u00ea t\u00f4ng, ki\u1ec3m tra \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n, quy \u0111\u1ecbnh chung\u00a0\u00a0\u00a0\u00a0 TCVN 5540-1992<\/p>\n

+ C\u00f4ng t\u00e1c ho\u00e0n thi\u1ec7n trong XD. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 5674-1992<\/p>\n

+ An to\u00e0n ch\u00e1y. Y\u00eau c\u1ea7u chung\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 3254-1989<\/p>\n

+ An to\u00e0n n\u1ed5. Y\u00eau c\u1ea7u chung\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0TCVN 3255-1989<\/p>\n

+ C\u00e1c quy tr\u00ecnh quy ph\u1ea1m k\u1ef9 thu\u1eadt kh\u00e1c c\u00f3 li\u00ean quan.<\/p>\n[sociallocker] [\/sociallocker]\n

 <\/p>\n

PH\u1ea6N III<\/u><\/p>\n

BI\u1ec6N PH\u00c1P THI C\u00d4NG T\u1ed4NG TH\u1ec2<\/strong><\/p>\n

CH\u01af\u01a0NG 1<\/u><\/p>\n

NGUY\u00caN T\u1eaeC V\u00c0 BI\u1ec6N PH\u00c1P THI C\u00d4NG<\/strong><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 I. NGUY\u00caN T\u1eaeC T\u1ed4 CH\u1ee8C THI C\u00d4NG<\/strong><\/p>\n

Tr\u00ean c\u01a1 s\u1edf h\u1ed3 s\u01a1 m\u1eddi th\u1ea7u c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0, c\u00e1c quy \u0111\u1ecbnh n\u00eau trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c duy\u1ec7t, c\u00e1c quy tr\u00ecnh thi c\u00f4ng ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu hi\u1ec7n h\u00e0nh\u2026 \u0111\u1ec3 \u0111\u1ec1 ra bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng mang t\u00ednh kh\u1ea3 thi ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf v\u00e0 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, c\u00e1c m\u1ee5c ti\u00eau ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0:<\/p>\n

– S\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 nh\u1ea5t n\u0103ng l\u1ef1c hi\u1ec7n c\u00f3 c\u1ee7a \u0110\u01a1n v\u1ecb thi c\u00f4ng v\u1ec1 m\u00e1y m\u00f3c thi\u1ebft b\u1ecb m\u00e1y m\u00f3c c\u0169ng nh\u01b0 tr\u00ecnh \u0111\u1ed9 c\u00e1n b\u1ed9 \u0111i\u1ec1u h\u00e0nh c\u00f4ng tr\u01b0\u1eddng v\u00e0 c\u00f4ng nh\u00e2n k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

– Qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o quy tr\u00ecnh quy ph\u1ea1m, c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u00e3 n\u00eau trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/p>\n

– \u0110\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c an to\u00e0n lao \u0111\u1ed9ng, v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng v\u00e0 tr\u1eadt t\u1ef1 an ninh trong qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u00e0 sau khi ho\u00e0n th\u00e0nh c\u00f4ng tr\u00ecnh.<\/p>\n

– \u0110\u1ea3m b\u1ea3o th\u00f4ng xe cho c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n l\u01b0u th\u00f4ng tr\u00ean tuy\u1ebfn.<\/p>\n

– Qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u1edbi ti\u1ebfn \u0111\u1ed9, tr\u00ecnh t\u1ef1 thi c\u00f4ng h\u1ee3p l\u00fd nh\u1ea5t, r\u00fat ng\u1eafn th\u1eddi gian thi c\u00f4ng nh\u1eb1m nhanh ch\u00f3ng \u0111\u01b0a c\u00f4ng tr\u00ecnh v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 II. BI\u1ec6N PH\u00c1P THI C\u00d4NG:<\/strong><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. L\u1eadp h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf b\u1ea3n v\u1ebd thi c\u00f4ng v\u00e0 t\u1ed5 ch\u1ee9c thi c\u00f4ng:<\/em><\/strong><\/p>\n

– Sau khi kh\u1ea3o s\u00e1t ho\u00e0n ch\u1ec9nh h\u1ed3 s\u01a1 Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh thi\u1ebft k\u1ebf b\u1ea3n v\u1ebd thi c\u00f4ng, t\u1ed5 ch\u1ee9c thi c\u00f4ng v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng chi ti\u1ebft cho t\u1eebng h\u1ea1ng m\u1ee5c c\u00f4ng vi\u1ec7c. Tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o ti\u1ebfn h\u00e0nh thi c\u00f4ng Nh\u00e0 th\u1ea7u s\u1ebd tr\u00ecnh cho TVGS v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0 xem x\u00e9t v\u00e0 ph\u00ea duy\u1ec7t.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng v\u00e0 l\u1ef1c l\u01b0\u1ee3ng thi c\u00f4ng:<\/em><\/strong><\/p>\n

\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.1. Ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng:<\/em><\/strong><\/p>\n

\"\"<\/a><\/p>\n

Tu\u1ef3 v\u00e0o \u0111i\u1ec1u ki\u1ec7n v\u00e0 h\u1ea1ng m\u1ee5c c\u1ea7n thi c\u00f4ng m\u00e0 nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i s\u1ebd \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p song song, tu\u00e2n t\u1ef1 hay k\u1ebft h\u1ee3p.<\/p>\n

V\u1ec1 m\u0169i thi c\u00f4ng, nh\u00e0 th\u1ea7u d\u1ef1 ki\u1ebfn, \u0111\u1ed1i v\u1edbi ph\u1ea7n n\u1ec1n s\u1ebd ch\u1ec9 c\u00f3 1 m\u0169i thi c\u00f4ng duy nh\u1ea5t \u0111i m\u1edf.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p cho ph\u00e9p c\u0169ng nh\u01b0 c\u1ea7n ph\u1ea3i \u0111\u1ea9y nhanh ti\u1ebfn \u0111\u1ed9, \u0111o\u1ea1n tuy\u1ebfn c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh \u0111o\u1ea1n nh\u1ecf d\u00e0i 0,5-:-1Km \u0111\u1ec3 t\u1ed5 ch\u1ee9c thi c\u00f4ng theo ph\u01b0\u01a1ng ph\u00e1p d\u00e2y chuy\u1ec1n.<\/p>\n

2.2. L\u1ef1c l\u01b0\u1ee3ng thi c\u00f4ng:<\/em><\/strong><\/p>\n

\u0110\u1ec3 thi c\u00f4ng c\u00f4ng tr\u00ecnh n\u00e0y ch\u00fang t\u00f4i chia th\u00e0nh 6<\/strong> \u0111\u1ed9i thi c\u00f4ng bao g\u1ed3m 1 \u0111\u1ed9i thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng, 2 \u0111\u1ed9i thi c\u00f4ng m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng + r\u00e3nh d\u1ecdc, 2 \u0111\u1ed9i thi c\u00f4ng c\u1ea7u, c\u1ed1ng tho\u00e1t n\u01b0\u1edbc, c\u1ed1ng b\u1ea3n ch\u00ecm, k\u00e8 r\u1ecd \u0111\u00e1 \u0111\u01b0\u1ee3c chia l\u00e0m hai m\u0169i thi c\u00f4ng, 1 \u0111\u1ed9i thi c\u00f4ng c\u00f4ng tr\u00ecnh ph\u00f2ng h\u1ed9 v\u00e0 thi c\u00f4ng ph\u1ea7n an to\u00e0n giao th\u00f4ng ho\u00e0n thi\u1ec7n c\u00f4ng tr\u00ecnh. C\u00e1c m\u0169i thi c\u00f4ng tr\u00ean c\u00e1c \u0111o\u1ea1n kh\u00e1c nhau v\u00e0 ho\u00e0n th\u00e0nh ph\u1ea7n vi\u1ec7c c\u1ee7a m\u00ecnh d\u01b0\u1edbi s\u1ef1 qu\u1ea3n l\u00fd v\u00e0 \u0111i\u1ec1u h\u00e0nh chung c\u1ee7a Ban \u0111i\u1ec1u h\u00e0nh c\u00f4ng tr\u00ecnh.<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng:<\/em><\/strong><\/p>\n

G\u1ed3m 2<\/strong> \u0111\u1ed9i thi c\u00f4ng v\u00e0 \u0111\u01b0\u1ee3c chia th\u00e0nh hai m\u0169i thi c\u00f4ng.<\/p>\n

Thi c\u00f4ng v\u1edbi t\u1ed5ng l\u1ef1c l\u01b0\u1ee3ng g\u1ed3m:<\/p>\n

+ Nh\u00e2n l\u1ef1c: 60 ng\u01b0\u1eddi.<\/p>\n

+ Thi\u1ebft b\u1ecb thi c\u00f4ng ch\u1ee7 \u0111\u1ea1o.<\/p>\n\n\n\n
\n
    \n
  • 06 \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5 7-:-15T<\/li>\n
  • 04 m\u00e1y \u1ee7i 110-180CV<\/li>\n
  • 02 m\u00e1y \u0111\u00e0o 0.8-:-1,25m3.<\/li>\n
  • 02 m\u00e1y san 110CV<\/li>\n
  • 02 Lu l\u1ed1p 9-16T<\/li>\n<\/ul>\n

    – 02 Lu rung b\u00e1nh th\u00e9p 16-25T<\/p>\n<\/td>\n

\n
    \n
  • 04 Lu t\u0129nh 6-12T<\/li>\n
  • 08 m\u00e1y khoan c\u1ea7m tay<\/li>\n
  • 02 m\u00e1y n\u00e9n kh\u00ed 660m3<\/sup>\/h<\/li>\n
  • 02 Xe Stec n\u01b0\u1edbc 5m3<\/li>\n
  • 10 \u0110\u1ea7m c\u00f3c<\/li>\n
  • 01 m\u00e1y c\u00e0y x\u1edbi 75CV<\/li>\n<\/ul>\n

     <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \n
    • C\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/li>\n
    • C\u00e1c thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/li>\n<\/ul>\n

      b. Thi c\u00f4ng c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc (c\u1ea7u, c\u1ed1ng TN qua \u0111\u01b0\u1eddng, c\u1ed1ng b\u1ea3n ch\u00ecm, k\u00e8 \u0111\u00e1):<\/em><\/strong><\/p>\n

      M\u1ed9t \u0111\u1ed9i chia l\u00e0m hai m\u0169i thi c\u00f4ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c m\u0169i thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng c\u00f3 \u0111i\u1ec1u ti\u1ebft cho nhau v\u1edbi t\u1ed5ng l\u1ef1c g\u1ed3m:<\/p>\n

      + Nh\u00e2n c\u00f4ng: 50 ng\u01b0\u1eddi.<\/p>\n

      + Thi\u1ebft b\u1ecb thi c\u00f4ng ch\u1ee7 \u0111\u1ea1o:<\/p>\n\n\n\n
      \u00a0\u00a0\u00a0 – 06 \u00d4t\u00f4 10T (\u0111i\u1ec1u ph\u1ed1i t\u1eeb TC n\u1ec1n)<\/p>\n

      – 10\u0111\u1ea7m c\u00f3c (\u0111i\u1ec1u ph\u1ed1i t\u1eeb TC n\u1ec1n)<\/p>\n

      – 02 \u0111\u1ea7m b\u00e0n<\/p>\n

      – 04 m\u00e1y b\u01a1m n\u01b0\u1edbc<\/p>\n

      – 06 \u0111\u1ea7m d\u00f9i<\/td>\n

      		\u00a0\u00a0 –\u00a0 04 m\u00e1y tr\u1ed9n v\u1eefa 100l – 250l<\/p>\n

      – 02 \u0111\u00e0o (\u0111i\u1ec1u ph\u1ed1i t\u1eeb thi c\u00f4ng n\u1ec1n)<\/p>\n

      – 01 b\u00faa c\u0103n ph\u00e1 kh\u1ed1i BT, \u0111\u00e1 x\u00e2y<\/p>\n

      – 01 c\u1ea7n c\u1ea9u 10T<\/p>\n

      – 04 m\u00e1y h\u00e0n<\/p>\n

      – 02 m\u00e1y c\u1eaft u\u1ed1n th\u00e9p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      – C\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

      – C\u00e1c thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m ki\u00eam tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/p>\n

      Qu\u00e1 tr\u00ecnh thi c\u00f4ng r\u00e3nh tho\u00e1t n\u01b0\u1edbc tr\u00ean \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi v\u1edbi vi\u1ec7c thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

      – Ph\u1ea7n c\u1ed1ng tho\u00e1t n\u01b0\u1edbc ngang, sau khi thi c\u00f4ng n\u1ec1n ho\u1eb7c thi c\u00f4ng c\u00f9ng v\u1edbi thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng, trong qu\u00e1 tr\u00ecnh thi c\u00f4ng 1\/2 c\u1ed1ng ph\u1ea7n c\u00f2n l\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 e. Thi c\u00f4ng m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng:<\/em><\/strong><\/p>\n

      \u0110\u01b0\u1ee3c chia l\u00e0m 02 \u0111\u1ed9i thi c\u00f4ng, v\u00e0 th\u00e0nh m\u1ed9t m\u0169i thi c\u00f4ng v\u1edbi t\u1ed5ng l\u1ef1c l\u01b0\u1ee3ng g\u1ed3m.<\/p>\n

      + Nh\u00e2n l\u1ef1c: 40 ng\u01b0\u1eddi:<\/p>\n

      + M\u00e1y thi\u1ebft b\u1ecb thi c\u00f4ng:<\/p>\n\n\n\n
      \u00a0\u00a0 – 08 \u00f4t\u00f4 t\u1ef1 \u0111\u1ed5 10-15T.<\/p>\n

      – 02 \u00f4t\u00f4 t\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n

      – 02 Lu t\u0129nh b\u00e1nh s\u1eaft 6-:-12 t\u1ea5n.<\/p>\n

      – 02 Lu l\u1ed1p t\u1ef1 h\u00e0nh\u00a0 9-:-16 t\u1ea5n.<\/p>\n

      – 02 M\u00e1y n\u00e9n kh\u00ed 360m3\/ph<\/p>\n<\/td>\n

      		– 04 Lu rung b\u00e1nh s\u1eaft 16 – 25 t\u1ea5n.<\/p>\n

      – 02 m\u00e1y \u0111\u00e0o 0.8m3<\/p>\n

      – 02 m\u00e1y san 110-:-180CV<\/p>\n

      – 02 m\u00e1y \u1ee7i 110CV<\/p>\n

       <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      – C\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

      \u00a0 – C\u00e1c thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m ki\u00eam tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/p>\n

      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng Nh\u00e0 th\u1ea7u s\u1ebd \u0111i\u1ec1u ch\u1ec9nh, lu\u00e2n chuy\u1ec3n, \u0111i\u1ec1u ph\u1ed1i v\u00e0 b\u1ed5 xung l\u1ef1c l\u01b0\u1ee3ng gi\u1eefa c\u00e1c d\u00e2y chuy\u1ec1n thi c\u00f4ng nh\u1eb1m duy tr\u00ec ti\u1ebfn \u0111\u1ed9 chung c\u1ee7a to\u00e0n \u0111o\u1ea1n tuy\u1ebfn.<\/p>\n

      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. \u0110\u1ea3m b\u1ea3o giao th\u00f4ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng:<\/em><\/strong><\/p>\n

      G\u00f3i th\u1ea7u s\u1ed1 3 – D\u1ef1 \u00e1n X\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 l\u00e0 m\u1ed9t tuy\u1ebfn \u0111\u01b0\u1eddng mi\u1ec1n n\u00fai c\u00f3 n\u1ec1n m\u1eb7t \u0111\u01b0\u1eddng t\u01b0\u01a1ng \u0111\u1ed1i h\u1eb9p, trong qu\u00e1 tr\u00ecnh thi c\u00f4ng Nh\u00e0 th\u1ea7u c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o giao th\u00f4ng nh\u01b0:<\/p>\n

      – N\u1ec1n \u0111\u01b0\u1eddng c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n \u0111o\u1ea1n \u0111\u1ec3 thi c\u00f4ng \u0111\u00e0o, \u0111\u1eafp d\u1ee9t \u0111i\u1ec3m t\u1eebng \u0111o\u1ea1n.<\/p>\n

      – C\u00f4ng tr\u00ecnh c\u1ea7u: \u0110\u1ea3m b\u1ea3o giao th\u00f4ng cho c\u00e1c t\u1ed5 \u0111\u1ed9i kh\u00e1c thi c\u00f4ng b\u1eb1ng \u0111\u01b0\u1eddng tr\u00e1nh.<\/p>\n

      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 III. TR\u00ccNH T\u1ef0 THI C\u00d4NG:<\/strong><\/p>\n

        \n
      1. Thi c\u00f4ng n\u1ec1n m\u1eb7t \u0111\u01b0\u1eddng ch\u00ednh tuy\u1ebfn.<\/em><\/strong><\/li>\n<\/ol>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0 – Ph\u00e1t quang, d\u1ecdn d\u1eb9p m\u1eb7t \u0111\u01b0\u1eddng.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – Thi c\u00f4ng \u0111\u00e0o, \u0111\u1eafp v\u00e0 lu l\u00e8n n\u1ec1n \u0111\u01b0\u1eddng, \u0111\u00e0o r\u00e3nh \u0111\u1ec9nh.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – Thi c\u00f4ng c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc, r\u00e3nh d\u1ecdc b\u00ea t\u00f4ng tho\u00e1t n\u01b0\u1edbc.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – X\u00e2y d\u1ef1ng r\u00e3nh bi\u00ean, r\u00e3nh \u0111\u1ec9nh.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – L\u1eafp \u0111\u1eb7t c\u00e1c c\u00f4ng tr\u00ecnh ATGT v\u00e0 c\u00e1c c\u00f4ng t\u00e1c ho\u00e0n thi\u1ec7n kh\u00e1c.<\/p>\n

        2. Thi c\u00f4ng c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc c\u1ed1ng qua \u0111\u01b0\u1eddng, c\u1ed1ng b\u1ea3n ch\u00ecm, k\u00e8 r\u1ecd \u0111\u00e1.<\/em><\/strong><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0 – Chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng l\u00e1n tr\u1ea1i, b\u00e3i \u0111\u00fac t\u1ea5m b\u1ea3n v\u00e0 c\u1ed1ng c\u00e1c lo\u1ea1i.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – X\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng tr\u00e1nh c\u1ea7u t\u1ea1m (n\u1ebfu c\u1ea7n thi\u1ebft).<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – X\u00e2y d\u1ef1ng m\u00f3ng m\u1ed1, l\u1eafp d\u1ef1ng c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – L\u00e0m v\u00e0 th\u1ea3 r\u1ecd \u0111\u00e1.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – Ti\u1ebfn h\u00e0nh l\u1eafp \u0111\u1eb7t lan can tay v\u1ecbn, l\u1edbp ph\u00f2ng n\u01b0\u1edbc, khe co gi\u00e3n v\u00e0 l\u00e1ng l\u1edbp b\u00ea t\u00f4ng tr\u00ean m\u1eb7t c\u1ea7u.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – Ho\u00e0n thi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c kh\u00e1c.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IV. THI C\u00d4NG N\u1ec0N \u0110\u01af\u1edcNG<\/strong><\/p>\n

        1. Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o<\/em><\/strong><\/p>\n

        Theo thi\u1ebft k\u1ebf, l\u00e0 c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng m\u1edbi, kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e0o \u0111\u1eafp l\u00e0 r\u1ea5t l\u1edbn. M\u1eb7t c\u1eaft ngang n\u1ec1n \u0111\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u00ecnh thang, ch\u1eef L, n\u1eeda \u0111\u00e0o n\u1eeda \u0111\u1eafp, c\u1ee5c b\u1ed9 c\u00f3 m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed \u0111\u1eafp to\u00e0n b\u1ed9 th\u00e2n n\u1ec1n \u0111\u01b0\u1eddng. Kh\u1ed1i l\u01b0\u1ee3ng thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng bao g\u1ed3m: ph\u00e1t quang m\u1eb7t b\u1eb1ng, \u0111\u00e0o \u0111\u1ea5t, \u0111\u00e0o \u0111\u00e1, \u0111\u1eafp \u0111\u1ea5t n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

        Tr\u01b0\u1edbc khi thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng Nh\u00e0 th\u1ea7u l\u00e0m c\u00f4ng t\u00e1c ph\u00e1t quang m\u1eb7t b\u1eb1ng trong ph\u1ea1m vi gi\u1edbi\u00a0 h\u1ea1n thi c\u00f4ng, ph\u1ea1m vi n\u00e0y g\u1ed3m ch\u00e2n taluy n\u1ec1n \u0111\u1eafp v\u00e0 \u0111\u00ecnh taluy n\u1ec1n \u0111\u00e0o.<\/p>\n

        – C\u00e1c \u0111o\u1ea1n n\u1ec1n \u0111\u00e0o trong \u0111\u00e1 phong ho\u00e1 nh\u1eb9, \u0111\u00e1 g\u1ed1c c\u1ee9ng ch\u1eafc: Thi c\u00f4ng b\u1eb1ng bi\u1ec7n ph\u00e1p n\u1ed5 ph\u00e1 k\u1ebft h\u1ee3p v\u1edbi m\u00e1y x\u00fac v\u00e0 \u00f4t\u00f4 v\u1eadn chuy\u1ec3n v\u1eadt \u0111\u1ed5 \u0111\u00fang v\u1ecb tr\u00ed quy \u0111\u1ecbnh.<\/p>\n

        – C\u00e1c \u0111o\u1ea1n n\u1ec1n \u0111\u00e0o trong \u0111\u00e1 phong ho\u00e1 nh\u1eb9, \u0111\u1ea5t: Thi c\u00f4ng b\u1eb1ng c\u01a1 gi\u1edbi k\u1ebft h\u1ee3p v\u1edbi nh\u00e2n l\u1ef1c \u0111\u1ec3 ho\u00e0n thi\u1ec7n.<\/p>\n

        – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng Nh\u00e0g th\u1ea7u lu\u00f4n quan t\u00e2m \u0111\u1ebfn bi\u1ec7n ph\u00e1p tho\u00e1t n\u01b0\u1edbc v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o an to\u00e0n, \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp<\/em><\/strong><\/p>\n

        – C\u00e1c \u0111o\u1ea1n n\u1ec1n \u0111\u1eafp m\u1edbi tr\u00ean \u0111\u1ea5t ru\u1ed9ng, \u0111\u1ea5t h\u1eefu c\u01a1\u2026 ph\u1ea3i ti\u1ebfn h\u00e0nh v\u00e9t h\u1eefu c\u01a1 tr\u01b0\u1edbc khi \u0111\u1eafp.<\/p>\n

        – C\u00e1c \u0111o\u1ea1n n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp tr\u00ean s\u01b0\u1eddn d\u1ed1c >11o<\/sup> ho\u1eb7c n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp c\u1ea1p r\u1ed9ng ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111\u00e1nh c\u1ea5p tr\u01b0\u1edbc khi \u0111\u1eafp.<\/p>\n

        – \u0110\u1ea5t \u0111\u1eafp \u0111\u01b0\u1ee3c \u0111\u1eafp theo t\u1eebng l\u1edbp v\u1edbi b\u1ec1 d\u00e0y sau khi lu l\u00e8n kh\u00f4ng qu\u00e1 30cm. \u0110\u1ea1t \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1eafp l\u1edbp ti\u1ebfp theo.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

        – M\u1eb7t \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c thi c\u00f4ng sau khi n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e3 \u0111\u1ea1t c\u00e1c y\u00eau c\u1ea7u v\u1ec1 h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ed9 ch\u1eb7t.<\/p>\n

        – Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng bao g\u1ed3m thi c\u00f4ng thi c\u00f4ng thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng c\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i v\u00e0 m\u1eb7t \u0111\u01b0\u1eddng \u0111\u00e1 d\u0103m k\u1eb9p \u0111\u1ea5t (t\u1ea1i c\u00e1c \u0111o\u1ea1n c\u00f3 \u0111\u1ed9 d\u1ed1c d\u1ecdc l\u1edbn).<\/p>\n

        – Thi c\u00f4ng c\u00e1c l\u1edbp m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng theo c\u00e1c quy tr\u00ecnh thi c\u00f4ng v\u00e0 nghi\u1ec7m thu hi\u1ec7n h\u00e0nh. Vi\u1ec7c thi c\u00f4ng l\u1edbp tr\u00ean ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh sau khi \u0111\u00e3 nghi\u1ec7m thu l\u1edbp d\u01b0\u1edbi \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. Thi c\u00f4ng c\u1ed1ng:<\/em><\/strong><\/p>\n

        – Qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u1ed1ng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi qu\u00e1 tr\u00ecnh thi c\u00f4ng n\u1ec1n m\u1eb7t \u0111\u01b0\u1eddng. Bao g\u1ed3m: thi c\u00f4ng c\u1ed1ng b\u1ea3n ch\u00ecm 2×2; 4×4; c\u00e1c c\u1ed1ng b\u1ea3n 75, 100; Thi c\u00f4ng c\u1ed1ng tr\u00f2n D75, c\u1ed1ng tr\u00f2n D100, c\u1ed1ng tr\u00f2n D150 v\u00e0 c\u1ed1ng tr\u00f2n D200.<\/p>\n

        – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p tho\u00e1t n\u01b0\u1edbc v\u00e0 b\u1ea3o v\u1ec7 h\u1ed1 m\u00f3ng.<\/p>\n

        – C\u00e1c \u1ed1ng c\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u00fac s\u1eb5n \u1edf b\u00e3i \u0111\u00fac. M\u00f3ng c\u1ed1ng, t\u01b0\u1eddng \u0111\u1ea7u, t\u01b0\u1eddng c\u00e1nh\u2026 v\u00e0 th\u00e2n c\u1ed1ng h\u1ed9p lo\u1ea1i l\u1edbn \u0111\u01b0\u1ee3c thi c\u00f4ng \u0111\u1ed5 b\u00eat\u00f4ng t\u1ea1i ch\u1ed7.<\/p>\n

        – D\u00f9ng nh\u00e2n l\u1ef1c v\u00e0 \u0111\u1ea7m c\u00f3c \u0111\u1ec3 \u0111\u1eafp \u0111\u1ea5t hai b\u00ean \u1ed1ng c\u00f4ng v\u00e0 tr\u00ean c\u1ed1ng.<\/p>\n

        – Ph\u1ea3i c\u00f3 r\u00e0o t\u1ea1m, bi\u1ec3n b\u00e1o t\u1ea1m v\u00e0 ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn giao th\u00f4ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

        5. Thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn, r\u00e3nh d\u1ecdc, r\u00e3nh x\u01b0\u01a1ng c\u00e1.<\/p>\n

        – R\u00e3nh d\u1ecdc \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00e0o h\u1edf cho n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o, m\u1eb7t r\u00e3nh r\u1ed9ng 0,7m, m\u1eb7t \u0111\u00e1y r\u1ed9ng 0,3m, chi\u1ec1u s\u00e2u r\u00e3nh 0,3m v\u00e0 ta luy r\u00e3nh l\u00e0 1\/0,5.<\/p>\n

        – R\u00e3nh tho\u00e1t n\u01b0\u1edbc d\u1ecdc \u0111\u01b0\u1ee3c thi c\u00f4ng song song c\u00f9ng v\u1edbi qu\u00e1 tr\u00ecnh thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o n\u1ec1n c\u00f3 th\u1ec3 tho\u00e1t n\u01b0\u1edbc \u0111\u01b0\u1ee3c ngay sau khi thi c\u00f4ng xong. T\u1ea1i m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed xung y\u1ebfu c\u00f3 nguy c\u01a1 x\u00f3i ho\u1eb7c \u0111\u1ed1i v\u1edbi \u0111o\u1ea1n tuy\u1ebfn c\u00f3 id>6%, r\u00e3nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng l\u00e0 d\u1ea1ng r\u00e3nh gia c\u1ed1 BTXM M150 d\u1ea1ng h\u00ecnh thang.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5. Bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng x\u00e2y l\u1eafp<\/em><\/strong><\/p>\n

        Bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh l\u00e0 n\u1ed9i dung \u0111\u01b0\u1ee3c quan t\u00e2m h\u00e0ng \u0111\u1ea7u, Nh\u00e0 th\u1ea7u s\u1ebd \u00e1p d\u1ee5ng m\u1ecdi bi\u1ec7n ph\u00e1p \u0111\u1ec3 duy tr\u00ec th\u01b0\u1eddng xuy\u00ean v\u00e0 li\u00ean t\u1ee5c nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u1ed1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng.<\/p>\n

        – B\u1ed1 tr\u00ed ban \u0111i\u1ec1u h\u00e0nh c\u00f4ng tr\u01b0\u1eddng: c\u00f3 l\u1ef1c l\u01b0\u1ee3ng \u0111\u1ee7 m\u1ea1nh g\u1ed3m nh\u1eefng c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt d\u00e0y d\u1ea1n kinh nghi\u1ec7m trong \u0111i\u1ec1u h\u00e0nh s\u1ea3n xu\u1ea5t, \u0111\u00e3 t\u1eebng ch\u1ec9 \u0111\u1ea1o thi c\u00f4ng c\u00e1c c\u00f4ng tr\u00ecnh y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt cao v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 t\u00ednh ch\u1ea5t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00f4ng tr\u00ecnh d\u1ef1 th\u1ea7u. \u0110\u00e2y ch\u00ednh l\u00e0 \u0111\u1ea7u m\u1ed1i \u0111\u1ec3 gi\u1ea3i quy\u1ebft t\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, ti\u1ebfn \u0111\u1ed9 c\u00f4ng tr\u00ecnh. B\u1ed9 ph\u1eadn n\u00e0y \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ee7 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ec3 ki\u1ec3m tra gi\u00e1m s\u00e1t g\u1ed3m: C\u00e1c lo\u1ea1i m\u00e1y quang h\u1ecdc, th\u01b0\u1edbc th\u00e9p… v\u00e0 d\u1ee5ng c\u1ee5 th\u00ed nghi\u1ec7m hi\u1ec7n tr\u01b0\u1eddng. Thi\u1ebft l\u1eadp ph\u00f2ng th\u00ed nghi\u1ec7m trung t\u00e2m v\u1edbi \u0111\u1ea7y \u0111\u1ee7 trang thi\u1ebft b\u1ecb theo y\u00eau c\u1ea7u c\u1ee7a D\u1ef1 \u00e1n.<\/p>\n

        – C\u00e1c ph\u00e2n \u0111\u1ed9i thi c\u00f4ng: B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 ch\u1ec9 huy thi c\u00f4ng, c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt chuy\u00ean ng\u00e0nh c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m ph\u1ee5 tr\u00e1ch t\u1ea5t c\u1ea3 c\u00e1c m\u0169i thi c\u00f4ng \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ee7 thi\u1ebft b\u1ecb ki\u1ec3m tra v\u00e0 th\u00ed nghi\u1ec7m hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

        – C\u00f4ng t\u00e1c gi\u00e1m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng duy tr\u00ec th\u01b0\u1eddng xuy\u00ean, li\u00ean t\u1ee5c, c\u00f3 s\u1ed5 ghi.<\/p>\n

         <\/p>\n

         <\/p>\n

         <\/p>\n

         <\/p>\n

         <\/p>\n

         <\/p>\n

         <\/p>\n

        CH\u01af\u01a0NG 2 <\/u><\/p>\n

        NGU\u1ed2N CUNG C\u1ea4P V\u1eacT LI\u1ec6U<\/strong><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 T\u1ea5t c\u1ea3 nguy\u00ean v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng ph\u00f9 h\u1edbp v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u00e0 c\u00f3 s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

        – \u0110\u1ea5t \u0111\u1eafp n\u1ec1n: \u0110\u01b0\u1ee3c t\u1eadn d\u1ee5ng trong qu\u00e1 tr\u00ecnh \u0111\u00e0o, \u0111em \u0111i th\u00ed nghi\u1ec7m tr\u00ecnh v\u1edbi T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n TCVN 5747-93, TCVN 4447-87.<\/p>\n

        – \u0110\u00e1 c\u00e1c lo\u1ea1i: \u0110\u01b0\u1ee3c khai th\u00e1c t\u1ea1i m\u1ecf Km5, v\u1eadn chuy\u1ec3n t\u1edbi ch\u00e2n c\u00f4ng tr\u00ecnh. Nh\u00e0 th\u1ea7u \u0111\u00e3 kh\u1ea3o s\u00e1t v\u00e0 th\u1ea5y r\u1eb1ng tr\u1eef l\u01b0\u1ee3ng \u0111\u00e1 t\u1ea1i m\u1ecf tr\u00ean \u0111\u1ea3m b\u1ea3o cho vi\u1ec7c cung c\u1ea5p cho to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh, \u0111\u01a1n v\u1ecb thi c\u00f4ng s\u1ebd l\u1ea5y m\u1eabu t\u1eebng lo\u1ea1i v\u1ec1 l\u00e0m th\u00ed nghi\u1ec7m v\u00e0 tr\u00ecnh k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u00f3 v\u1edbi K\u1ef9 s\u01b0 TVGS tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

        + \u0110\u00e1 d\u0103m c\u00e1c lo\u1ea1i: Ph\u00f9 h\u1ee3p v\u1edbi TCVN 1771-87 v\u00e0 TCVN 1772-87.<\/p>\n

        + C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m: C\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p 22TCN 252-1998. V\u1edbi c\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i \u0111\u01b0\u1ee3c khai th\u00e1c t\u1ea1i su\u1ed1i N\u1eadm M\u1ea1, v\u1eadn chuy\u1ec3n trung b\u00ecnh 13Km t\u1edbi ch\u00e2n c\u00f4ng tr\u00ecnh. Tr\u1eef l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o cung c\u1ea5p cho c\u00f4ng tr\u00ecnh.<\/p>\n

        – N\u01b0\u1edbc cho thi c\u00f4ng v\u00e0 sinh ho\u1ea1t: Qua k\u1ebft qu\u1ea3 \u0111i\u1ec1u tra trong khu v\u1ef1c, n\u01b0\u1edbc s\u1eed d\u1ee5ng cho thi c\u00f4ng v\u00e0 sinh ho\u1ea1t c\u00f3 th\u1ec3 khai th\u00e1c t\u1ea1i c\u00e1c su\u1ed1i trong khu v\u1ef1c d\u1ecdc hai b\u00ean tuy\u1ebfn, d\u00f9ng xe St\u00e9c v\u1eadn chuy\u1ec3n v\u1ec1 b\u1ec3 ch\u1ee9a ph\u00f9 h\u1ee3p v\u1edbi TCVN 5406-87.<\/p>\n

        – Xi m\u0103ng d\u00f9ng xi m\u0103ng B\u00fat S\u01a1n, B\u1ec9m S\u01a1n, VinaKansai ho\u1eb7c c\u00e1c lo\u1ea1i xi m\u0103ng kh\u00e1c c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, mua t\u1ea1i \u0111\u1ea1i l\u00fd n\u01a1i g\u1ea7n nh\u1ea5t, v\u1eadn chuy\u1ec3n t\u1edbi ch\u00e2n c\u00f4ng tr\u00ecnh ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n TCVN 2682-92, TCVN 4029-85 \u0111\u1ebfn 4032-85.<\/p>\n

        – C\u1ecdc ti\u00eau, c\u1ed9t Km, c\u1ecdc, b\u00f3 v\u1ec9a, c\u1ed1ng c\u00e1c lo\u1ea1i v\u00e0 c\u00e1c c\u1ea5u ki\u1ec7n \u0111\u00fac s\u1eb5n kh\u00e1c \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i b\u00e3i \u0111\u00fac c\u1ea5u ki\u1ec7n c\u1ee7a c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

        – Bi\u1ec3n b\u00e1o ph\u1ea3n quang, c\u1ed9t \u0111\u1ee1 \u0111\u01b0\u1ee3c gia c\u00f4ng t\u1ea1i c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t chuy\u00ean ng\u00e0nh t\u1ea1i H\u00e0 N\u1ed9i v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t.<\/p>\n

        – C\u00e1t c\u00e1c lo\u1ea1i: \u0110\u01b0\u1ee3c khai th\u00e1c t\u1ea1i m\u1ecf su\u1ed1i N\u1eadm M\u1ea1, ho\u1eb7c c\u00e1c m\u1ecf kh\u00e1c (n\u1ebfu c\u00f3) g\u1ea7n khu v\u1ef1c, v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u00ecnh, ch\u1ea5t l\u01b0\u1ee3ng m\u1ecf c\u00e1t ph\u00f9 h\u1ee3p v\u1edbi TCVN 1770-86, TCVN (342-:-344)-86.<\/p>\n

        – Th\u00e9p: S\u1eed d\u1ee5ng th\u00e9p Th\u00e1i Nguy\u00ean ho\u1eb7c lo\u1ea1i th\u00e9p c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u00e0 \u0111\u01b0\u1ee3c mua t\u1ea1i \u0111\u1ea1i l\u00fd, v\u1eadn chuy\u1ec3n \u0111\u1ebfn ch\u00e2n c\u00f4ng tr\u00ecnh, ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n TCVN 4453-87.<\/p>\n

        Nh\u00e0 th\u1ea7u lu\u00f4n c\u00f3 k\u1ebf ho\u1ea1ch d\u1ef1 tr\u00f9 \u0111\u1ea7y \u0111\u1ee7 kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt t\u01b0, v\u1eadt li\u1ec7u \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u00fang l\u00fac cho c\u00f4ng tr\u00ecnh. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y trong qu\u00e1 tr\u00ecnh chu\u1ea9n b\u1ecb thi c\u00f4ng c\u00e1c m\u1ecf v\u1eadt li\u1ec7u d\u1ef1 ki\u1ebfn s\u1ebd \u0111\u01b0\u1ee3c khai th\u00e1c \u0111\u1ec3 thi c\u00f4ng c\u00f4ng tr\u00ecnh, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c tr\u1eef l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p cho c\u00f4ng tr\u00ecnh, sau \u0111\u00f3 l\u1ea5y m\u1eabu \u0111\u1ec3 l\u00e0m th\u00ed nghi\u1ec7m t\u1eeb \u0111\u00f3 c\u00f3 \u0111\u01b0\u1ee3c ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u tr\u00ecnh t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u00e0 Ban qu\u1ea3n l\u00fd d\u1ef1 \u00e1n duy\u1ec7t. N\u1ebfu \u0111\u1ea1t y\u00eau c\u1ea7u th\u00ec li\u00ean h\u1ec7 v\u1edbi c\u01a1 quan ch\u1ee9c n\u0103ng \u0111\u1ec3 l\u00e0m th\u1ee7 t\u1ee5c v\u00e0 h\u1ee3p \u0111\u1ed3ng khai th\u00e1c v\u00e0 thu mua v\u1eadt t\u01b0 v\u00e0 v\u1eadt li\u1ec7u cho c\u00f4ng tr\u00ecnh v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ea3m b\u1ea3o cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 cho c\u00f4ng tr\u00ecnh trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

        – X\u00e2y d\u1ef1ng c\u00e1c b\u00e3i ch\u1ee9a, nh\u00e0 kho \u0111\u1ec3 d\u1ef1 tr\u1eef v\u1eadt t\u01b0, v\u1eadt li\u1ec7u cho c\u00f4ng tr\u00ecnh.<\/p>\n

        – \u0110\u1ea5t \u0111\u00e0o \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n ngang v\u00e0 d\u1ecdc tuy\u1ebfn \u0111\u1ec3 \u0111\u1eafp, ph\u1ea7n c\u00f2n l\u1ea1i v\u1eadn chuy\u1ec3n \u0111\u1ed5 th\u1ea3i \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ec9 \u0111\u1ecbnh v\u00e0 ch\u1ea5p thu\u1eadn m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c khu v\u1ef1c xung quanh.<\/p>\n

        PH\u1ea6N IV<\/u><\/p>\n

        BI\u1ec6N PH\u00c1P THI C\u00d4NG <\/strong><\/p>\n

        CHI TI\u1ebeT C\u00c1C H\u1ea0NG M\u1ee4C C\u00d4NG TR\u00ccNH<\/strong><\/p>\n

        CH\u01af\u01a0NG 1<\/u><\/p>\n

        CHU\u1ea8N B\u1eca THI C\u00d4NG<\/strong><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Chu\u1ea9n b\u1ecb thi c\u00f4ng l\u00e0 c\u00f4ng t\u00e1c h\u1ebft s\u1ee9c quan tr\u1ecdng, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng c\u1ee7a nh\u00e0 th\u1ea7u trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n, nh\u1eb1m \u0111\u01b0a ra nh\u1eefng ph\u01b0\u01a1ng \u00e1n t\u1ed1i \u01b0u \u0111\u1ec3 th\u1ef1c hi\u1ec7n.<\/p>\n

        Tr\u00ecnh t\u1ef1 chu\u1ea9n b\u1ecb thi c\u00f4ng c\u1ee7a Nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p X\u00e2y d\u1ef1ng v\u00e0 Th\u01b0\u01a1ng m\u1ea1i t\u01b0 nh\u00e2n Th\u00e1i S\u01a1n t\u1ec9nh \u0110i\u1ec7n Bi\u00ean g\u1ed3m c\u00f3:<\/p>\n

        a. Chu\u1ea9n b\u1ecb v\u1ec1 t\u1ed5 ch\u1ee9c, ph\u1ed1i h\u1ee3p thi c\u00f4ng:<\/strong><\/p>\n

        – Tho\u1ea3 thu\u1eadn th\u1ed1ng nh\u1ea5t v\u1edbi c\u00e1c c\u01a1 quan c\u00f3 li\u00ean quan v\u1ec1 vi\u1ec7c k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng n\u0103ng l\u1ef1c thi c\u00f4ng nh\u01b0 Ch\u1ee7 \u0111\u1ea7u t\u01b0, x\u00e3 N\u1eadm Cha – n\u01a1i x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, n\u01b0\u1edbc, kh\u1ea3o s\u00e1t t\u00ecnh h\u00ecnh khu v\u1ef1c thi c\u00f4ng c\u00f4ng tr\u00ecnh…<\/p>\n

        – Gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 s\u1eed d\u1ee5ng s\u1eb5n c\u00f3 v\u1eadt li\u1ec7u v\u00e0 nh\u00e2n l\u1ef1c c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

        – T\u00ecm ki\u1ebfm l\u1ef1c l\u01b0\u1ee3ng lao \u0111\u1ed9ng, c\u00e1c t\u1ed5 \u0111\u1ed9i thi c\u00f4ng: t\u1ed5 thi c\u00f4ng n\u1ec1n, t\u1ed5 thi c\u00f4ng m\u1eb7t, c\u1ea7u, c\u1ed1ng, r\u00e3nh tho\u00e1t n\u01b0\u1edbc v\u00e0 khai th\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng theo tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n v\u00e0 s\u1ed1 l\u01b0\u1ee3ng nh\u00e2n l\u1ef1c theo y\u00eau c\u1ea7u c\u1ee7a g\u00f3i th\u1ea7u.<\/p>\n

        – K\u00fd h\u1ee3p \u0111\u1ed3ng kinh t\u1ebf giao nh\u1eadn th\u1ea7u theo quy \u0111\u1ecbnh c\u1ee7a Nh\u00e0 n\u01b0\u1edbc v\u1ec1 giao nh\u1eadn th\u1ea7u x\u00e2y l\u1eafp.<\/p>\n

        – Nh\u00e0 th\u1ea7u doanh nghi\u1ec7p X\u00e2y d\u1ef1ng v\u00e0 Th\u01b0\u01a1ng m\u1ea1i Th\u00e1i S\u01a1n s\u1ebd nghi\u00ean c\u1ee9u kh\u1ea3o s\u00e1t l\u1ea1i th\u1ef1c \u0111\u1ecba, l\u1eadp thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng, nghi\u00ean c\u1ee9u k\u1ef9 l\u01b0\u1ee1ng b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt thi c\u00f4ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 d\u1ef1 to\u00e1n, \u00e1p d\u1ee5ng v\u00e0o \u0111i\u1ec1u ki\u1ec7n x\u00e2y d\u1ef1ng t\u1ea1i n\u01a1i thi c\u00f4ng x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh.<\/p>\n

        – Chu\u1ea9n b\u1ecb nh\u1eefng \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng trong m\u1eb7t b\u1eb1ng c\u00f4ng tr\u01b0\u1eddng bao g\u1ed3m:<\/p>\n

        + X\u00e1c l\u1eadp h\u1ec7 th\u1ed1ng m\u1ed1c \u0111\u1ecbnh v\u1ecb c\u01a1 b\u1ea3n ph\u1ee5c v\u1ee5 thi c\u00f4ng;<\/p>\n

        + Gi\u1ea3i ph\u00f3ng m\u1eb7t b\u1eb1ng, ch\u1eb7t c\u00e2y, ph\u00e1t b\u1ee5i trong ph\u1ea1m vi thi\u1ebft k\u1ebf quy \u0111\u1ecbnh.<\/p>\n

        + L\u1eadp l\u00e1n tr\u1ea1i t\u1ea1i c\u00f4ng tr\u01b0\u1eddng (tu\u1ef3 v\u00e0o \u0111i\u1ec3m thi c\u00f4ng) v\u00e0 l\u1eadp l\u00e1n tr\u1ea1i, m\u1eb7t b\u1eb1ng khu v\u1ef1c khai th\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng (t\u1ea1i Km5), nghi\u00ean c\u1ee9u kho b\u00e3i trung chuy\u1ec3n v\u1eadt li\u1ec7u, b\u00e3i \u0111\u00fac c\u1ea5u ki\u1ec7n, nghi\u00ean c\u1ee9u t\u00ecnh h\u00ecnh th\u00f4ng tin li\u00ean l\u1ea1c (do v\u1ecb tr\u00ed tuy\u1ebfn nhi\u1ec1u \u0111i\u1ec3m kh\u00f4ng c\u00f3 s\u00f3ng \u0111i\u1ec7n tho\u1ea1i, nh\u00e0 th\u1ea7u \u0111\u00e3 kh\u1ea3o s\u00e1t v\u00e0 nh\u1eadn th\u1ea5y ch\u1ec9 t\u1ea1i m\u1ed9t s\u1ed1 \u0111i\u1ec3m c\u00f3 s\u00f3ng c\u1ee7a Viettel Mobile), nghi\u00ean c\u1ee9u ngu\u1ed3n n\u01b0\u1edbc thi c\u00f4ng v\u00e0 sinh ho\u1ea1t.<\/p>\n

        + \u0110\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc ph\u00f2ng ch\u00e1y v\u00e0 trang thi\u1ebft b\u1ecb ch\u1eefa ch\u00e1y, trang thi\u1ebft b\u1ecb ch\u1ed1ng n\u1ed5, nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n li\u00ean l\u1ea1c v\u00e0 c\u00f2i hi\u1ec7u ch\u1eefa ch\u00e1y.<\/p>\n

        + Nh\u00e0 th\u1ea7u \u0111\u00e3 nghi\u00ean c\u1ee9u v\u00e0 t\u00ednh to\u00e1n, c\u00f4ng tr\u00ecnh t\u1ea1m kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean v\u1ecb tr\u00ed c\u00f4ng tr\u00ecnh ch\u00ednh, kh\u00f4ng \u0111\u01b0\u1ee3c g\u00e2y tr\u1edf ng\u1ea1i cho vi\u1ec7c thi c\u00f4ng c\u00f4ng tr\u00ecnh ch\u00ednh v\u00e0 ph\u1ea3i t\u00ednh to\u00e1n \u0111\u1ebfn hi\u1ec7u qu\u1ea3 kinh t\u1ebf. Ri\u00eang c\u00f4ng tr\u00ecnh t\u1ea1m t\u1ea1i b\u00e3i khai th\u00e1c v\u1eadt li\u1ec7u s\u1ebd ph\u1ee5c v\u1ee5 cho c\u1ea3 qu\u00e1 tr\u00ecnh khai th\u00e1c, c\u00e1c nh\u00e0 t\u1ea1m c\u00f2n l\u1ea1i tu\u1ef3 thu\u1ed9c v\u00e0o th\u1eddi \u0111i\u1ec3m thi c\u00f4ng \u0111\u1ec3 di chuy\u1ec3n cho ph\u00f9 h\u1ee3p v\u1edbi m\u1eb7t b\u1eb1ng thi c\u00f4ng x\u00e2y d\u1ef1ng. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u00f3, nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n s\u1ebd \u0111\u1eb7c bi\u1ec7t ch\u00fa tr\u1ecdng \u00e1p d\u1ee5ng nh\u1eefng ki\u1ec3u nh\u00e0 t\u1ea1m d\u1ec5 th\u00e1o l\u1eafp, c\u01a1 \u0111\u1ed9ng v\u00e0 k\u1ebft h\u1ee3p s\u1eed d\u1ee5ng nh\u1eefng c\u00f4ng tr\u00ecnh s\u1eb5n c\u00f3 \u1edf \u0111\u1ecba ph\u01b0\u01a1ng (n\u1ebfu c\u00f3).<\/p>\n

        – V\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng thi c\u00f4ng, nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh b\u1ea3o d\u01b0\u1ee1ng, s\u1eeda ch\u1eefa \u0111\u01b0\u1eddng x\u00e1 v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u \u0111\u1ebfn ch\u00e2n c\u00f4ng tr\u00ecnh, \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c b\u00ecnh th\u01b0\u1eddng trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng. Tuy\u1ebfn \u0111\u01b0\u1eddng n\u00e0y nh\u00e0 th\u1ea7u \u0111\u00e3 kh\u1ea3o s\u00e1t v\u00e0 nh\u1eadn th\u1ea5y ch\u1ee7 y\u1ebfu l\u00e0 \u0111o\u1ea1n \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u t\u1eeb Su\u1ed1i N\u1eadm M\u1ea1 v\u00e0 \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u \u0111\u00e1 t\u1eeb Km5.<\/p>\n

        – Nh\u00e0 th\u1ea7u s\u1ebd s\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n t\u1ea1m th\u1eddi trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n di \u0111\u1ed9ng v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n diezen (\u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y c\u1ee5 th\u1ec3 \u1edf ph\u1ea7n d\u01b0\u1edbi).<\/p>\n

        – M\u00e1y n\u00e9n kh\u00ed \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u00e0 khai th\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng 04 m\u00e1y n\u00e9n kh\u00ed c\u00f4ng su\u1ea5t 660m3\/h.<\/p>\n

        – Nh\u00e0 th\u1ea7u s\u1ebd d\u1ef1 t\u00ednh v\u00e0 l\u1eadp s\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng c\u1ea5p \u0111i\u1ec7n, n\u01b0\u1edbc, th\u00f4ng tin li\u00ean l\u1ea1c trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

        – Nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i, Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n t\u1ec9nh \u0110i\u1ec7n Bi\u00ean, n\u1ebfu tr\u00fang th\u1ea7u, s\u1ebd ch\u1ec9 ti\u1ebfn h\u00e0nh kh\u1edfi c\u00f4ng x\u00e2y l\u1eafp nh\u1eefng kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng t\u00e1c ch\u00ednh c\u1ee7a c\u00f4ng tr\u00ecnh khi \u0111\u00e3 l\u00e0m xong nh\u1eefng c\u00f4ng vi\u1ec7c chu\u1ea9n b\u1ecb c\u1ea7n thi\u1ebft ph\u1ee5c v\u1ee5 tr\u1ef1c ti\u1ebfp cho thi c\u00f4ng nh\u1eefng c\u00f4ng t\u00e1c x\u00e2y l\u1eafp ch\u00ednh v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u1ee7 t\u1ee5c c\u1ea7n thi\u1ebft theo quy \u0111\u1ecbnh c\u1ee7a Nh\u00e0 n\u01b0\u1edbc h\u01b0\u1edbng d\u1eabn th\u1ed1ng nh\u1ea5t trong to\u00e0n ng\u00e0nh x\u00e2y d\u1ef1ng.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. C\u00f4ng t\u00e1c cung \u1ee9ng v\u1eadt t\u01b0, k\u1ef9 thu\u1eadt<\/strong><\/p>\n

        C\u0103n c\u1ee9 v\u00e0o quy tr\u00ecnh c\u00f4ng ngh\u1ec7 v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng x\u00e2y l\u1eafp do Nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i l\u1eadp, Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n s\u1ebd nghi\u00ean c\u1ee9u c\u00f4ng t\u00e1c cung \u1ee9ng v\u1eadt t\u01b0 – k\u1ef9 thu\u1eadt. C\u00f4ng t\u00e1c n\u00e0y nh\u1eb1m cung \u1ee9ng \u0111\u1ea7y \u0111\u1ee7, k\u1ecbp th\u1eddi, \u0111\u1ed3ng b\u1ed9 v\u00e0 \u0111\u00fang l\u00fac c\u00e1c k\u1ebft c\u1ea5u, c\u1ea5u ki\u1ec7n v\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt… \u0111\u1ea3m b\u1ea3o ph\u1ee5c v\u1ee5 thi c\u00f4ng li\u00ean t\u1ee5c kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n, t\u1eadp trung d\u1ee9t \u0111i\u1ec3m nh\u1eb1m \u0111\u01b0a nhanh c\u00f4ng tr\u00ecnh v\u00e0o khai th\u00e1c s\u1eed d\u1ee5ng theo \u0111\u00fang ti\u1ebfn \u0111\u1ed9 \u0111\u1ec1 ra.<\/p>\n

        \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau tr\u00ean, c\u00f4ng t\u00e1c cung \u1ee9ng v\u1eadt t\u01b0 k\u1ef9 thu\u1eadt ph\u1ea3i:<\/p>\n

        – Cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ed3ng b\u1ed9 nh\u1eefng v\u1eadt t\u01b0 – k\u1ef9 thu\u1eadt c\u1ea7n thi\u1ebft theo k\u1ebf ho\u1ea1ch – ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o ngu\u1ed3n cung c\u1ea5p.<\/p>\n

        – N\u00e2ng cao m\u1ee9c \u0111\u1ed9 ch\u1ebf t\u1ea1o s\u1eb5n thi\u1ebft b\u1ecb, c\u1ea5u ki\u1ec7n b\u1eb1ng c\u00e1ch t\u0103ng c\u01b0\u1eddng t\u1ed5 ch\u1ee9c s\u1ea3n xu\u1ea5t t\u1ea1i c\u00f4ng x\u01b0\u1edfng (v\u00ed d\u1ee5 nh\u01b0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb th\u00e9p, c\u1ecdc H, c\u1ecdc Km, bi\u1ec3n b\u00e1o \u0111\u01b0\u1eddng v.v…). Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh l\u1eadp c\u00e1c c\u00f4ng x\u01b0\u1edfng, kho t\u00e0ng, b\u1ebfn b\u00e3i c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n b\u1ed1c d\u1ee1, v\u1eadn chuy\u1ec3n ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u \u0111\u1eb7t ra.<\/p>\n

        – Cung c\u1ea5p \u0111\u1ed3ng b\u1ed9 k\u1ebft c\u1ea5u, c\u1ea5u ki\u1ec7n, v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt… t\u1edbi m\u1eb7t b\u1eb1ng thi c\u00f4ng theo \u0111\u00fang ti\u1ebfn \u0111\u1ed9.<\/p>\n

        – L\u1eadp nh\u00e0 kho ch\u1ee9a c\u00e1c lo\u1ea1i v\u1eadt t\u01b0 – v\u1eadt li\u1ec7u – thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng x\u00e2y l\u1eafp theo \u0111\u00fang c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh v\u1ec1 di\u1ec7n t\u00edch kho t\u00e0ng v\u00e0 \u0111\u1ecbnh m\u1ee9c d\u1ef1 tr\u1eef s\u1ea3n xu\u1ea5t.<\/p>\n

        – Vi\u1ec7c b\u1ea3o qu\u1ea3n v\u1eadt li\u1ec7u, thi\u1ebft b\u1ecb x\u00e2y d\u1ef1ng, k\u1ebft c\u1ea5u x\u00e2y d\u1ef1ng, c\u1ea5u ki\u1ec7n… \u0111\u01b0\u1ee3c Nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p Th\u00e1i S\u01a1n tri\u1ec3n khai theo \u0111\u00fang c\u00e1c ti\u00eau chu\u1ea9n, quy ph\u1ea1m c\u1ee7a Nh\u00e0 n\u01b0\u1edbc v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh v\u1ec1 c\u00f4ng t\u00e1c b\u1ea3o qu\u1ea3n v\u1eadt t\u01b0, v\u1eadt li\u1ec7u.<\/p>\n

        – Trong n\u1ed9i b\u1ed9 thi c\u00f4ng gi\u1eefa ph\u00f2ng cung \u1ee9ng v\u1eadt t\u01b0 k\u1ef9 thu\u1eadt, ph\u00f2ng k\u1ebf ho\u1ea1ch, ph\u00f2ng k\u1ebf to\u00e1n v\u00e0 ban \u0111i\u1ec1u h\u00e0nh thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng c\u0169ng nh\u01b0 c\u00e1c nh\u00e0 cung \u1ee9ng v\u1edbi ban \u0111i\u1ec1u h\u00e0nh t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, khi giao nh\u1eadn v\u1eadt t\u01b0, v\u1eadt li\u1ec7u, thi\u1ebft b\u1ecb v.v… ph\u1ea3i xem x\u00e9t \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh \u0111\u1ed3ng b\u1ed9. \u0110\u1eb7c bi\u1ec7t ph\u1ea3i nghi\u00ean c\u1ee9u, so s\u00e1nh v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n quy ph\u1ea1m v\u1ec1 v\u1eadt li\u1ec7u, v\u1eadt t\u01b0 hi\u1ec7n h\u00e0nh c\u1ee7a Nh\u00e0 n\u01b0\u1edbc. Khi ph\u00e1t hi\u1ec7n v\u1eadt t\u01b0, thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, c\u00f4ng tr\u01b0\u1eddng c\u00f3 quy\u1ec1n t\u1eeb ch\u1ed1i kh\u00f4ng nh\u1eadn v\u1eadt t\u01b0 \u0111\u00f3. Nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n cam k\u1ebft ch\u1ec9 s\u1eed d\u1ee5ng v\u1eadt t\u01b0 – v\u1eadt li\u1ec7u \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0o thi c\u00f4ng c\u00f4ng tr\u00ecnh.<\/p>\n

        – Nhu c\u1ea7u cung \u1ee9ng v\u1eadt t\u01b0, thi\u1ebft b\u1ecb g\u1eafn li\u1ec1n v\u1edbi ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng x\u00e2y l\u1eafp, th\u1eddi h\u1ea1n ho\u00e0n th\u00e0nh t\u1eebng c\u00f4ng vi\u1ec7c v\u00e0 x\u00e1c \u0111\u1ecbnh tr\u00ean c\u01a1 s\u1edf kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng t\u00e1c (c\u0103n c\u1ee9 v\u00e0o thi\u1ebft k\u1ebf – d\u1ef1 to\u00e1n c\u00f4ng tr\u00ecnh), nh\u1eefng \u0111\u1ecbnh m\u1ee9c s\u1eed d\u1ee5ng, ti\u00eau hao v\u1eadt t\u01b0 v\u00e0 d\u1ef1 tr\u1eef s\u1ea3n xu\u1ea5t.<\/p>\n

        Trong qu\u00e1 tr\u00ecnh t\u00ednh to\u00e1n nhu c\u1ea7u cung \u1ee9ng tr\u00ean, Nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n s\u1ebd ch\u00fa \u00fd t\u1edbi hao h\u1ee5t trong v\u1eadn chuy\u1ec3n, b\u1ed1c d\u1ee1, c\u1ea5t gi\u1eef, b\u1ea3o qu\u1ea3n v\u00e0 thi c\u00f4ng theo \u0111\u00fang \u0111\u1ecbnh m\u1ee9c hi\u1ec7n h\u00e0nh. \u0110\u1ed3ng th\u1eddi, ban ISO c\u1ee7a Doanh nghi\u1ec7p s\u1ebd nghi\u00ean c\u1ee9u c\u00e1c bi\u1ec7n ph\u00e1p nh\u1eb1m gi\u1ea3m b\u1edbt chi ph\u00ed hao h\u1ee5t \u1ea5y.<\/p>\n

        – Ban ch\u1ec9 huy c\u00f4ng tr\u01b0\u1eddng s\u1ebd th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra t\u1ed3n kho v\u1eadt t\u01b0, thi\u1ebft b\u1ecb v\u00e0 gi\u1eef m\u1ee9c d\u1ef1 tr\u1eef v\u1eadt t\u01b0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111\u1ecbnh m\u1ee9c hi\u1ec7n h\u00e0nh.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. C\u01a1 gi\u1edbi trong x\u00e2y d\u1ef1ng<\/strong><\/p>\n

        – Nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p Th\u00e1i S\u01a1n s\u1ebd nghi\u00ean c\u1ee9u v\u00e0 s\u1eed d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1ea5t, \u0111\u1ea3m b\u1ea3o c\u00f3 n\u0103ng su\u1ea5t lao \u0111\u1ed9ng cao, ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, gi\u00e1 th\u00e0nh h\u1ea1, \u0111\u1ed3ng th\u1eddi gi\u1ea3m nh\u1eb9 \u0111\u01b0\u1ee3c c\u00e1c c\u00f4ng vi\u1ec7c n\u1eb7ng nh\u1ecdc.<\/p>\n

        – Nh\u00e0 th\u1ea7u s\u1ebd nghi\u00ean c\u1ee9u trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u01a1 gi\u1edbi trong x\u00e2y l\u1eafp thi c\u00f4ng c\u00f4ng tr\u00ecnh, ch\u00fa tr\u1ecdng t\u1edbi t\u00ednh ch\u1ea5t \u0111\u1ed3ng b\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb m\u00e1y m\u00f3c thi c\u00f4ng v\u00e0 s\u1ef1 c\u00e2n \u0111\u1ed1i v\u1ec1 n\u0103ng su\u1ea5t gi\u1eefa m\u00e1y ch\u1ee7 \u0111\u1ea1o v\u00e0 m\u00e1y ph\u1ee5 thu\u1ed9c trong t\u1eebng giai \u0111o\u1ea1n x\u00e2y l\u1eafp. V\u00ed d\u1ee5, c\u00f3 giai \u0111o\u1ea1n m\u00e1y \u0111\u00e0o l\u00e0 m\u00e1y ch\u1ee7 \u0111\u1ea1o, c\u00f3 giai \u0111o\u1ea1n m\u00e1y \u1ee7i l\u00e0 m\u00e1y ch\u1ee7 \u0111\u1ea1o (trong thi c\u00f4ng n\u1ec1n), nh\u01b0ng c\u00f3 nh\u1eefng giai \u0111o\u1ea1n \u00f4t\u00f4 v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u l\u1ea1i l\u00e0 m\u00e1y ch\u1ee7 \u0111\u1ea1o (khi thi c\u00f4ng m\u1eb7t).<\/p>\n

        – Khi l\u1ef1a ch\u1ecdn nh\u1eefng ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi v\u00e0 ti\u1ebfn h\u00e0nh c\u01a1 gi\u1edbi ho\u00e1 to\u00e0n b\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean c\u01a1 s\u1edf so s\u00e1nh ch\u1ec9 ti\u00eau hi\u1ec7u qu\u1ea3 kinh t\u1ebf c\u1ee7a c\u00e1c ph\u01b0\u01a1ng \u00e1n c\u01a1 gi\u1edbi ho\u00e1. C\u00e1c ph\u01b0\u01a1ng \u00e1n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7 thi c\u00f4ng x\u00e2y l\u1eafp v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u00e0n th\u00e0nh \u0111\u00fang th\u1eddi h\u1ea1n, kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c giao. Nh\u00e0 th\u1ea7u s\u1ebd t\u00ednh to\u00e1n nh\u1eefng ch\u1ec9 ti\u00eau hao ph\u00ed lao \u0111\u1ed9ng khi s\u1eed d\u1ee5ng c\u01a1 gi\u1edbi v\u00e0 ph\u01b0\u01a1ng \u00e1n s\u1eed d\u1ee5ng th\u1ee7 c\u00f4ng t\u1ea1i m\u1ed9t s\u1ed1 ph\u1ea7n c\u00f4ng vi\u1ec7c tr\u00ean c\u01a1 s\u1edf t\u1ed1i \u0111a ho\u00e1 c\u01a1 gi\u1edbi x\u00e2y d\u1ef1ng.<\/p>\n

        C\u01a1 c\u1ea5u d\u00e0n m\u00e1y v\u00e0 s\u1ed1 l\u01b0\u1ee3ng m\u00e1y c\u1ea7n thi\u1ebft \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u00ean c\u01a1 s\u1edf kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c c\u1ea7n thi c\u00f4ng trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh (th\u1eddi gian k\u1ebf ho\u1ea1ch).<\/p>\n

        – Nhu c\u1ea7u v\u1ec1 ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi c\u1ea7m tay \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ri\u00eang theo k\u1ebf ho\u1ea1ch v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng.<\/p>\n

        – Nh\u00e0 th\u1ea7u s\u1ebd nghi\u00ean c\u1ee9u, t\u00ednh to\u00e1n, ki\u1ec3m tra v\u00e0 \u0111\u01b0a ra ph\u01b0\u01a1ng \u00e1n b\u1ed5 sung \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng m\u00e1y, tr\u00ean c\u01a1 s\u1edf c\u00e1c ch\u1ec9 ti\u00eau ch\u00ednh sau:<\/p>\n

        + Ch\u1ec9 ti\u00eau s\u1eed d\u1ee5ng s\u1ed1 l\u01b0\u1ee3ng m\u00e1y.<\/p>\n

        + Ch\u1ec9 ti\u00eau s\u1eed d\u1ee5ng m\u00e1y theo th\u1eddi gian (theo th\u1eddi gian d\u01b0\u01a1ng l\u1ecbch v\u00e0 theo h\u1ec7 s\u1ed1 s\u1eed d\u1ee5ng m\u00e1y trong 1 ca l\u00e0m vi\u1ec7c…)<\/p>\n

        + Ch\u1ec9 ti\u00eau hi\u1ec7u su\u1ea5t s\u1eed d\u1ee5ng m\u00e1y: l\u00e0 t\u1ef7 s\u1ed1 gi\u1eefa s\u1ea3n l\u01b0\u1ee3ng th\u1ef1c t\u1ebf m\u00e1y l\u00e0m \u0111\u01b0\u1ee3c v\u1edbi s\u1ea3n l\u01b0\u1ee3ng \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y trong th\u1eddi gian t\u01b0\u01a1ng \u1ee9ng (t\u00ednh theo ph\u1ea7n tr\u0103m).<\/p>\n

        – \u0110\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y c\u1ea7n ph\u1ea3i:<\/p>\n

        + D\u00f9ng nh\u1eefng m\u00e1y c\u00f3 c\u00f4ng su\u1ea5t nh\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n cho ph\u00e9p c\u1ee7a Doanh nghi\u1ec7p (v\u00ec doanh nghi\u1ec7p kh\u00f4ng ch\u1ec9 thi c\u00f4ng 01 c\u00f4ng tr\u00ecnh trong c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m).<\/p>\n

        + K\u1ebft h\u1ee3p t\u1ed1t gi\u1eefa c\u00e1c m\u00e1y trong m\u1ed9t d\u00e0n m\u00e1y, k\u1ebft h\u1ee3p t\u1ed1t gi\u1eefa m\u00e1y ch\u1ee7 \u0111\u1ea1o v\u00e0 m\u00e1y ph\u1ee5 thu\u1ed9c, gi\u1eefa m\u00e1y c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn v\u00e0 m\u00e1y c\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf….<\/p>\n

        + Th\u01b0\u1eddng xuy\u00ean n\u00e2ng cao tr\u00ecnh \u0111\u1ed9 qu\u1ea3n l\u00fd, tr\u00ecnh \u0111\u1ed9 k\u1ef9 thu\u1eadt v\u00e0 s\u1eeda ch\u1eefa m\u00e1y, ch\u1ea5p h\u00e0nh t\u1ed1t h\u1ec7 th\u1ed1ng b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt v\u00e0 s\u1eeda ch\u1eefa m\u00e1y theo quy tr\u00ecnh v\u1ec1 b\u1ea3o d\u01b0\u1ee1ng c\u1ee7a t\u1eebng lo\u1ea1i m\u00e1y.<\/p>\n

        + Trang b\u1ecb t\u1ed1t c\u01a1 s\u1edf v\u1eadt ch\u1ea5t \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng m\u00e1y, nh\u00e0 th\u1ea7u s\u1ebd l\u1eadp m\u1ed9t x\u01b0\u1edfng s\u1eeda ch\u1eefa di \u0111\u1ed9ng t\u1ea1i c\u00f4ng tr\u00ecnh \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb.<\/p>\n

        – Nh\u00e0 th\u1ea7u s\u1ebd t\u1ed5 ch\u1ee9c qu\u1ea3n l\u00fd v\u00e0 s\u1eed d\u1ee5ng t\u1eadp trung v\u00e0 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u0111\u01a1n v\u1ecb chuy\u00ean m\u00f4n ho\u00e1.<\/p>\n

        – M\u1ed7i c\u00f4ng nh\u00e2n v\u1eadn h\u00e0nh m\u00e1y \u0111\u01b0\u1ee3c giao tr\u00e1ch nhi\u1ec7m r\u00f5 r\u00e0ng v\u1ec1 qu\u1ea3n l\u00fd, s\u1eed d\u1ee5ng, ph\u00f9 h\u1ee3p v\u1edbi chuy\u00ean m\u00f4n \u0111\u00e0o t\u1ea1o v\u00e0 b\u1eadc th\u1ee3 quy \u0111\u1ecbnh v\u1edbi t\u1eebng lo\u1ea1i m\u00e1y c\u1ee5 th\u1ec3.<\/p>\n

        – Nh\u1eefng m\u00e1y \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng thi c\u00f4ng x\u00e2y l\u1eafp c\u00f4ng tr\u00ecnh trong qu\u00e1 tr\u00ecnh c\u01a1 gi\u1edbi ho\u00e1 x\u00e2y l\u1eafp c\u1ee7a Nh\u00e0 th\u1ea7u Th\u00e1i S\u01a1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o tin c\u1eady v\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 an to\u00e0n lao \u0111\u1ed9ng. \u0110\u1ed1i v\u1edbi nh\u1eefng xe m\u00e1y \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh ph\u1ea3i \u0111\u0103ng k\u00fd v\u1ec1 an to\u00e0n tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng, ph\u1ea3i th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 \u0111\u0103ng ki\u1ec3m theo quy \u0111\u1ecbnh c\u1ee7a c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n c\u1ee7a Nh\u00e0 n\u01b0\u1edbc.<\/p>\n

        – M\u00e1y m\u00f3c thi\u1ebft b\u1ecb \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 lu\u00f4n ph\u1ea3i trong t\u00ecnh tr\u1ea1ng s\u1eed d\u1ee5ng t\u1ed1t, ph\u1ea3i th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt v\u00e0 s\u1eeda ch\u1eefa m\u00e1y theo k\u1ebf ho\u1ea1ch, bao g\u1ed3m: B\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt ca, b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt \u0111\u1ecbnh k\u1ef3, s\u1eeda ch\u1eefa th\u01b0\u1eddng xuy\u00ean v\u00e0 s\u1eeda ch\u1eefa l\u1edbn.<\/p>\n

        Th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt nh\u1eb1m gi\u1eef g\u00ecn m\u00e1y m\u00f3c trong t\u00ecnh tr\u1ea1ng s\u1eb5n s\u00e0ng l\u00e0m vi\u1ec7c, gi\u1ea3m b\u1edbt c\u01b0\u1eddng \u0111\u1ed9 m\u00e0i m\u00f2n chi ti\u1ebft, ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ng\u1eeba k\u1ecbp th\u1eddi nh\u1eefng h\u1ecfng h\u00f3c, kh\u00f4i ph\u1ee5c l\u1ea1i kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y.<\/p>\n

        Vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng do b\u1ed9 ph\u1eadn chuy\u00ean tr\u00e1ch c\u1ee7a Doanh nghi\u1ec7p Th\u00e1i S\u01a1n th\u1ef1c hi\u1ec7n.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. C\u00f4ng t\u00e1c v\u1eadn t\u1ea3i<\/strong><\/p>\n

        – Vi\u1ec7c t\u1ed5 ch\u1ee9c c\u00f4ng t\u00e1c v\u1eadn t\u1ea3i ph\u1ea3i \u0111\u1ea3m b\u1ea3o ph\u1ee5c v\u1ee5 thi c\u00f4ng theo \u0111\u00fang k\u1ebf ho\u1ea1ch ti\u1ebfn \u0111\u1ed9 x\u00e2y l\u1eafp v\u00e0 ti\u1ebfn \u0111\u1ed9 cung c\u1ea5p v\u1eadt t\u01b0, gi\u1ea3m thi\u1ec3u \u0111\u01b0\u1ee3c hao h\u1ee5t trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u.<\/p>\n

        – Vi\u1ec7c ch\u1ecdn l\u1ef1a ch\u1ee7ng lo\u1ea1i v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i ph\u1ea3i c\u0103n c\u1ee9 v\u00e0o c\u1ef1 ly v\u1eadn chuy\u1ec3n, t\u00ecnh h\u00ecnh m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng s\u00e1 hi\u1ec7n c\u00f3, kh\u1ea3 n\u0103ng cung c\u1ea5p v\u1eadt t\u01b0, ph\u01b0\u01a1ng ph\u00e1p b\u1ed1c d\u1ee1 v.v…<\/p>\n

        – Nh\u00e0 th\u1ea7u s\u1ebd nghi\u00ean c\u1ee9u v\u00e0 t\u00ednh to\u00e1n \u0111\u1ebfn t\u1ea3i tr\u1ecdng c\u1ee7a xe v\u1eadn chuy\u1ec3n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, \u0111\u1ed3ng th\u1eddi ch\u00fa \u00fd \u0111\u1ebfn nhu c\u1ea7u v\u1eadn chuy\u1ec3n c\u00f4ng nh\u00e2n \u0111\u1ebfn n\u01a1i l\u00e0m vi\u1ec7c.<\/p>\n

        – Ch\u1ec9 ti\u00eau \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00f4ng t\u00e1c v\u1eadn chuy\u1ec3n l\u00e0 th\u1ef1c hi\u1ec7n \u0111\u00fang ti\u1ebfn \u0111\u1ed9, s\u1ed1 chuy\u1ebfn v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng h\u00e0ng c\u1ea7n v\u1eadn chuy\u1ec3n.<\/p>\n

        – \u0110\u1ec3 c\u00f4ng t\u00e1c v\u1eadn t\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 v\u00e0 th\u1ed1ng nh\u1ea5t ph\u1ea3i b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt nh\u01b0 ph\u1ea7n 3 n\u00eau \u1edf tr\u00ean.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5. Gi\u1ea3i ph\u00e1p m\u1eb7t b\u1eb1ng<\/strong><\/p>\n

        Do c\u00f4ng tr\u00ecnh thi c\u00f4ng tuy\u1ebfn m\u1edbi n\u00ean l\u00e1n tr\u1ea1i c\u1ee7a BCH c\u00f4ng tr\u00ecnh v\u00e0 l\u00e1n tr\u1ea1i t\u1ea1m c\u1ee7a c\u00f4ng nh\u00e2n thi c\u00f4ng s\u1ebd ph\u1ea3i di chuy\u1ec3n sau 1 kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 thi c\u00f4ng v\u1ecb tr\u00ed m\u1edbi, tr\u1eeb m\u1ed9t s\u1ed1 h\u1ea1ng m\u1ee5c thi c\u00f4ng t\u1ea1i ch\u1ed7 nh\u01b0 c\u1ed1ng, k\u00e8, t\u01b0\u1eddng ch\u1eafn hay khu khai th\u00e1c v\u1eadt li\u1ec7u.<\/p>\n

        CH\u01af\u01a0NG 2<\/u><\/p>\n

        THI C\u00d4NG N\u1ec0N \u0110\u01af\u1edcNG<\/strong><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 I. C\u00d4NG T\u00c1C CHU\u1ea8N B\u1eca THI C\u00d4NG<\/u><\/strong><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Gi\u1ea3i ph\u00e1p m\u1eb7t b\u1eb1ng<\/strong><\/p>\n

        Do c\u00f4ng tr\u00ecnh thi c\u00f4ng tuy\u1ebfn m\u1edbi n\u00ean l\u00e1n tr\u1ea1i c\u1ee7a BCH c\u00f4ng tr\u00ecnh v\u00e0 l\u00e1n tr\u1ea1i t\u1ea1m c\u1ee7a c\u00f4ng nh\u00e2n thi c\u00f4ng s\u1ebd ph\u1ea3i di chuy\u1ec3n sau 1 kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 thi c\u00f4ng v\u1ecb tr\u00ed m\u1edbi, tr\u1eeb m\u1ed9t s\u1ed1 h\u1ea1ng m\u1ee5c thi c\u00f4ng t\u1ea1i ch\u1ed7 nh\u01b0 c\u1ed1ng, k\u00e8, t\u01b0\u1eddng ch\u1eafn hay khu khai th\u00e1c v\u1eadt li\u1ec7u.<\/p>\n

        V\u1edbi m\u1eb7t b\u1eb1ng hi\u1ec7n tr\u1ea1ng, sau khi nh\u1eadn b\u00e0n giao m\u1eb7t b\u1eb1ng v\u00e0 c\u00f3 l\u1ec7nh kh\u1edfi c\u00f4ng c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0, \u0111\u01a1n v\u1ecb s\u1ebd ti\u1ebfn h\u00e0nh ch\u1ecdn c\u00e1c v\u1ecb tr\u00ed \u0111\u1ec3 \u0111\u1eb7t l\u00e0m n\u01a1i t\u1eadp k\u1ebft m\u00e1y m\u00f3c thi\u1ebft b\u1ecb v\u00e0 l\u00e0m vi\u1ec7c c\u1ee7a BCH c\u00f4ng tr\u01b0\u1eddng, ti\u1ebfn h\u00e0nh thu d\u1ecdn v\u1ec7 sinh m\u1eb7t b\u1eb1ng thi c\u00f4ng, t\u1ea5t c\u1ea3 c\u00e1c t\u1ea1p ch\u1ea5t r\u00e1c th\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a ra kh\u1ecfi m\u1eb7t b\u1eb1ng c\u00f4ng tr\u00ecnh \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng. Ti\u1ebfn h\u00e0nh thi\u1ebft k\u1ebf m\u1eb7t b\u1eb1ng t\u1ed5 ch\u1ee9c thi c\u00f4ng s\u01a1 \u0111\u1ed3 l\u00e1n tr\u1ea1i giao th\u00f4ng, b\u00e3i t\u1eadp k\u1ebft v\u1eadt t\u01b0 v\u1eadt li\u1ec7u, \u0111i\u1ec7n n\u01b0\u1edbc thi c\u00f4ng, tr\u00ecnh ch\u1ee7 \u0111\u1ea7u t\u01b0 xem x\u00e9t, ph\u00ea duy\u1ec7t.<\/p>\n

        – L\u00e1n tr\u1ea1i c\u1ee7a c\u00f4ng nh\u00e2n \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf m\u1ed9t khu ri\u00eang tr\u00ean c\u00f4ng tr\u01b0\u1eddng; l\u00e1n ch\u1ec9 huy v\u00e0 kho v\u1eadt li\u1ec7u ch\u00ednh \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ngay g\u1ea7n v\u1ecb tr\u00ed thi c\u00f4ng c\u00f4ng tr\u00ecnh; b\u00e3i v\u1eadt li\u1ec7u, khu gia c\u00f4ng c\u1ed1t th\u00e9p c\u1ed1p pha \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed h\u1ee3p l\u00fd (c\u00f3 th\u1ec3 c\u00e1c l\u00e1n n\u00e0y l\u00e0m sau v\u00e0 \u0111\u1eb7t g\u1ea7n v\u1ecb tr\u00ed thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c c\u00f3 b\u00ea t\u00f4ng).<\/p>\n

        – Ri\u00eang kho ch\u1ee9a thu\u1ed1c n\u1ed5 v\u00e0 c\u00e1c v\u1eadt li\u1ec7u n\u1ed5, nh\u00e0 th\u1ea7u s\u1ebd b\u1ed1 tr\u00ed m\u1ed9t kho ri\u00eang (\u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong ph\u1ea7n thi c\u00f4ng chi ti\u1ebft – Ph\u1ea7n ph\u00e1 \u0111\u00e1).<\/p>\n

        – Do l\u00e0 tuy\u1ebfn m\u1edbi n\u00ean \u0111i\u1ec7n thi c\u00f4ng nh\u00e0 th\u1ea7u s\u1ebd b\u1ed1 tr\u00ed 3 m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u00f4ng su\u1ea5t 15KVA \u0111\u1ec3 thay phi\u00ean nhau ph\u1ee5c v\u1ee5 cho sinh ho\u1ea1t. \u0110\u1ed1i v\u1edbi \u0111i\u1ec7n thi c\u00f4ng nh\u01b0 \u0111i\u1ec7n cho m\u00e1y h\u00e0n, m\u00e1y tr\u1ed9n, nh\u00e0 th\u1ea7u s\u1ebd d\u00f9ng c\u00e1c lo\u1ea1i m\u00e1y ph\u00e1t chuy\u00ean d\u1ee5ng ph\u1ee5c v\u1ee5 cho c\u00e1c h\u1ea1ng m\u1ee5c tr\u00ean.<\/p>\n

        – N\u01b0\u1edbc thi c\u00f4ng nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng n\u01b0\u1edbc t\u1ea1i c\u00e1c khe, su\u1ed1i g\u1ea7n c\u00f4ng tr\u00ecnh (c\u00f3 ki\u1ec3m \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng cho thi c\u00f4ng).<\/p>\n

        – Giao th\u00f4ng trong c\u00f4ng tr\u01b0\u1eddng ch\u1ec9 s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng giao th\u00f4ng khi v\u1eeba m\u1edf xong (thu\u1ed9c g\u00f3i th\u1ea7u) \u0111\u1ec3 \u0111i l\u1ea1i. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng trong n\u1ed9i b\u1ed9 c\u00f4ng tr\u01b0\u1eddng, nh\u00e0 th\u1ea7u s\u1ebd nghi\u00ean c\u1ee9u, t\u00ednh to\u00e1n \u0111\u1ebfn c\u00e1c v\u1ecb tr\u00ed c\u00f3 th\u1ec3 quay \u0111\u1ea7u xe.<\/p>\n

         <\/p>\n

        2. Gi\u1ea3i ph\u00e1p thi c\u00f4ng<\/strong><\/p>\n

        V\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, ti\u1ebfn \u0111\u1ed9 b\u00e0n giao c\u00f4ng tr\u00ecnh l\u00e0 11<\/strong> th\u00e1ng (330 ng\u00e0y); nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n s\u1ebd l\u1ef1a ch\u1ecdn v\u00e0 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p thi c\u00f4ng theo ph\u01b0\u01a1ng ph\u00e1p tu\u1ea7n t\u1ef1 k\u1ebft h\u1ee3p v\u1edbi xen k\u1ebd c\u00f4ng vi\u1ec7c theo c\u00e1c giai \u0111o\u1ea1n thi c\u00f4ng nh\u01b0ng v\u1eabn tu\u00e2n th\u1ee7 \u0111\u00fang c\u00e1c quy tr\u00ecnh k\u1ef9 thu\u1eadt, nh\u1eb1m s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e2n l\u1ef1c v\u00e0 m\u00e1y m\u00f3c nh\u1ea5t \u0111\u1ec3 \u0111\u1ea9y nhanh ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng v\u00e0 b\u00e0n giao c\u00f4ng tr\u00ecnh m\u1ed9t c\u00e1ch nhanh nh\u1ea5t;<\/p>\n

        Thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c tr\u00ean c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c l\u1eadp bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng chi ti\u1ebft c\u1ee5 th\u1ec3 cho t\u1eebng h\u1ea1ng m\u1ee5c, vi\u1ec7c t\u1ed5 ch\u1ee9c l\u1ef1c l\u01b0\u1ee3ng lao \u0111\u1ed9ng, ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi, m\u00e1y m\u00f3c v\u1eadt t\u01b0 v\u1eadt li\u1ec7u, ph\u01b0\u01a1ng ti\u1ec7n thi c\u00f4ng, k\u1ef9 thu\u1eadt thi c\u00f4ng \u0111\u01b0\u1ee3c l\u00ean ph\u01b0\u01a1ng \u00e1n c\u1ee5 th\u1ec3 chi ti\u1ebft. V\u1edbi ph\u01b0\u01a1ng ch\u00e2m thi c\u00f4ng c\u00f4ng tr\u00ecnh \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, nhanh, an to\u00e0n.Vi\u1ec7c l\u1eadp ra c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt thi c\u00f4ng c\u00f4ng tr\u00ecnh l\u00e0 m\u1ed9t c\u00f4ng vi\u1ec7c r\u1ea5t quan tr\u1ecdng, \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i coi tr\u1ecdng h\u00e0ng \u0111\u1ea7u, c\u00f4ng vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c K\u1ef9 s\u01b0 c\u00f3 tr\u00ecnh \u0111\u1ed9 v\u00e0 kinh nghi\u1ec7m th\u1ef1c t\u1ebf trong c\u00f4ng t\u00e1c x\u00e2y d\u1ef1ng nh\u1ea5t l\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh v\u1ec1 giao th\u00f4ng.<\/p>\n

        Tuy kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c l\u1edbn, d\u00e0n tr\u1ea3i nh\u01b0ng quy m\u00f4 c\u1ee7a c\u00f4ng tr\u00ecnh l\u1ea1i kh\u00f4ng l\u1edbn l\u1eafm, v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p ki\u1ebfn tr\u00fac v\u00e0 k\u1ebft c\u1ea5u kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p. V\u1ea5n \u0111\u1ec1, x\u00e1c \u0111\u1ecbnh \u0111\u00e2y l\u00e0 lo\u1ea1i h\u00ecnh c\u00f4ng tr\u00ecnh r\u1ea5t quan tr\u1ecdng, v\u00ec v\u1eady vi\u1ec7c l\u1eadp bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00f4ng tr\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u1eabn ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ec1 cao trong t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng t\u00e1c. Vi\u1ec7c l\u1eadp ra bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00f4ng tr\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc k\u1ebft h\u1ee3p gi\u1eefa k\u1ef9 thu\u1eadt thi c\u00f4ng, t\u1ed5 ch\u1ee9c thi c\u00f4ng v\u00e0 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c n\u00eau trong h\u1ed3 s\u01a1 m\u1eddi th\u1ea7u.<\/p>\n

        Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, \u0111\u01a1n v\u1ecb thi c\u00f4ng ch\u00fang t\u00f4i s\u1ebd th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt \u0111\u1ec1 ra. Tu\u1ea7n t\u1ef1 thi c\u00f4ng ph\u1ea7n n\u1ec1n, thi c\u00f4ng t\u1eeb cu\u1ed1i tuy\u1ebfn l\u00ean, ho\u1eb7c c\u00f3 th\u1ec3 t\u1eeb \u0111\u1ea7u tuy\u1ebfn tr\u1edf l\u1ea1i, trong tr\u00ecnh t\u1ef1 n\u00e0y \u0111\u1eb7t v\u1ea5n \u0111\u1ec1 thi c\u00f4ng ph\u1ea7n ti\u1ebfp sau ch\u1ec9 khi c\u00e1c ph\u1ea7n tr\u01b0\u1edbc \u0111\u00e3 thi c\u00f4ng xong v\u00e0 \u0111\u00e3 \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu l\u1ef1c cho ph\u00e9p theo qui \u0111\u1ecbnh. C\u00f4ng t\u00e1c thi c\u00f4ng c\u00e1c ph\u1ea7n c\u1ed1ng, k\u00e8, r\u00e3nh d\u1ecdc tho\u00e1t n\u01b0\u1edbc c\u00f3 th\u1ec3 thi c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebft h\u1ee3p, nh\u1eb1m \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng ho\u00e0n thi\u1ec7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb tr\u00ean xu\u1ed1ng, t\u1eeb trong ra ngo\u00e0i, b\u1ed1 tr\u00ed c\u00e1c c\u00f4ng vi\u1ec7c kh\u00f4ng ch\u1ed3ng ch\u00e9o nhau, ho\u00e0n thi\u1ec7n ph\u1ea7n c\u00f4ng vi\u1ec7c n\u00e0o \u0111\u1ebfn \u0111\u00e2u \u0111\u01b0\u1ee3c \u0111\u1ebfn \u0111\u1ebfn \u0111\u1ea5y, ho\u00e0n ch\u1ec9nh c\u00f4ng tr\u00ecnh \u0111\u1ec3 \u0111\u01b0a v\u00e0o b\u00e0n giao c\u00f4ng tr\u00ecnh theo t\u1eebng giai \u0111o\u1ea1n. Th\u1ef1c hi\u1ec7n \u0111\u00fang ti\u1ebfn \u0111\u1ed9 l\u1eadp ra, \u0111\u01b0a c\u00f4ng tr\u00ecnh v\u00e0o b\u00e0n giao v\u00e0 s\u1eed d\u1ee5ng theo \u0111\u00fang k\u1ebf ho\u1ea1ch.<\/p>\n

        * Gi\u1ea3i ph\u00e1p c\u1ed1p pha d\u00e0n gi\u00e1o:<\/strong> V\u1edbi y\u00eau c\u1ea7u c\u1ee7a g\u00f3i th\u1ea7u, nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng hai lo\u1ea1i v\u00e1n khu\u00f4n l\u00e0 v\u00e1n khu\u00f4n th\u00e9p v\u00e0 v\u00e1n khu\u00f4n g\u1ed7. Trong \u0111\u00f3, v\u00e1n khu\u00f4n th\u00e9p l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 thi c\u00f4ng \u1ed1ng c\u1ed1ng \u0111\u00fac s\u1eb5n, v\u00e1n khu\u00f4n g\u1ed7 k\u1ebft h\u1ee3p v\u1edbi v\u00e1n khu\u00f4n \u0111\u1ecbnh h\u00ecnh \u0111\u1ec3 thi c\u00f4ng t\u1ea5m b\u1ea3n \u0111\u00fac s\u1eb5n v\u00e0 c\u00e1c c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng kh\u00e1c.<\/p>\n

        3. B\u1ed1 tr\u00ed t\u1ed5ng m\u1eb7t b\u1eb1ng thi c\u00f4ng<\/strong><\/p>\n

        – Sau khi \u0111\u1ecbnh v\u1ecb c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh, nh\u00e0 th\u1ea7u l\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed \u0111\u1ec3 x\u00e2y d\u1ef1ng l\u00e1n tr\u1ea1i, kho b\u00e3i t\u1eadp k\u1ebft m\u00e1y m\u00f3c thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u thi c\u00f4ng c\u00f4ng tr\u00ecnh, c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, n\u01b0\u1edbc b\u1ec3 ch\u1ee9a, b\u00e3i gia c\u00f4ng s\u1eaft th\u00e9p, b\u00e3i \u0111\u00fac c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n… tr\u00ean m\u1eb7t b\u1eb1ng c\u00f4ng tr\u01b0\u1eddng. Ngo\u00e0i s\u1ed1 l\u01b0\u1ee3ng m\u00e1y \u0111\u1ec3 thi c\u00f4ng, \u0111\u1eb7t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 ch\u1ec9 v\u1ec1 b\u00e3i t\u1eadp k\u1ebft \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng, s\u1eeda ch\u1eefa th\u00ec nh\u00e0 th\u1ea7u s\u1ebd t\u00ednh to\u00e1n \u0111\u1ec3 \u0111\u1eb7t x\u01b0\u1edfng gia c\u00f4ng th\u00e9p, b\u00e3i \u0111\u00fac b\u00ea t\u00f4ng, b\u00e3i khai th\u00e1c v\u1eadt li\u1ec7u…<\/p>\n

        a. X\u01b0\u1edfng gia c\u00f4ng c\u1ed1t th\u00e9p v\u00e0 h\u00e0n<\/p>\n

        – Ph\u1ea7n s\u1eaft th\u00e9p c\u1ee7a c\u00f4ng tr\u00ecnh nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed cho c\u00f4ng nh\u00e2n gia c\u00f4ng v\u00e0 l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p tr\u1ef1c ti\u1ebfp t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, g\u1ea7n c\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, l\u1eafp \u0111\u1eb7t v\u1ec1 sau.<\/p>\n

        Nh\u00e0 th\u1ea7u s\u1ebd\u00a0 b\u1ed1 tr\u00ed c\u00e1c m\u00e1y \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c gia c\u00f4ng c\u1ed1t th\u00e9p:<\/p>\n

        + 2 m\u00e1y c\u1eaft th\u00e9p tr\u00f2n D40 c\u1ee7a Trung Qu\u1ed1c.<\/p>\n

        + 3 vam u\u1ed1n th\u00e9p.<\/p>\n

        + 3 m\u00e1y h\u00e0n c\u00f4ng su\u1ea5t 23KW.<\/p>\n

        S\u1eaft th\u00e9p \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong c\u00f4ng tr\u01b0\u1eddng trong th\u1eddi gian ng\u1eafn, \u0111\u01b0\u1ee3c k\u00ea cao kh\u1ecfi m\u1eb7t n\u1ec1n 300 mm tr\u00e1nh g\u00e2y han g\u1ec9 v\u00e0 b\u00f9n \u0111\u1ea5t d\u00ednh b\u00e1m.<\/p>\n

        B\u1ed1 tr\u00ed nh\u00e2n l\u1ef1c \u1edf x\u01b0\u1edfng th\u00e9p g\u1ed3m c\u00f3:<\/p>\n

        + 3 th\u1ee3 h\u00e0n b\u1eadc 4,0\/7 ki\u00eam th\u1ee3 \u0111i\u1ec7n tr\u1ef1c chung cho b\u00e3i \u0111\u00fac c\u1ea5u ki\u1ec7n, 4 th\u1ee3 c\u1eaft u\u1ed1n th\u00e9p.<\/p>\n

        b. V\u0103n ph\u00f2ng c\u00f4ng tr\u01b0\u1eddng v\u00e0 tr\u1ea1m y t\u1ebf<\/p>\n

        – V\u0103n ph\u00f2ng c\u00f4ng tr\u01b0\u1eddng v\u00e0 tr\u1ea1m y t\u1ebf \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed chung 1 gian, \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd thi c\u00f4ng v\u00e0 c\u1ea5p c\u1ee9u k\u1ecbp th\u1eddi n\u1ebfu c\u00f3 x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p>\n

        – Ngo\u00e0i ra ch\u00fang t\u00f4i l\u1eadp 01 ban ch\u1ec9 \u0111\u1ea1o gi\u00e1n ti\u1ebfp t\u1ea1i tr\u1ee5 s\u1edf c\u1ee7a Nh\u00e0 th\u1ea7u t\u1ea1i \u0110i\u1ec7n Bi\u00ean. B\u1ed9 ph\u1eadn n\u00e0y s\u1ebd k\u1ebft h\u1ee3p v\u1edbi ban ch\u1ec9 huy c\u00f4ng tr\u01b0\u1eddng c\u00f9ng gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 thi c\u00f4ng nh\u1eb1m \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n

        – V\u0103n ph\u00f2ng c\u00f4ng tr\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng li\u1ec1n k\u1ec1 v\u1edbi kho xi m\u0103ng c\u00f3 k\u1ebft c\u1ea5u c\u1ed9t g\u1ed7, m\u00e1i l\u1ee3p phi b\u1edd r\u00f4 xi m\u0103ng, t\u01b0\u1eddng th\u1eb3ng c\u00f3t \u00e9p, n\u1ec1n l\u00e1ng v\u1eefa xi m\u0103ng. Di\u1ec7n t\u00edch kho\u1ea3ng 40m2.<\/p>\n

        e. Kho xi m\u0103ng<\/p>\n

        Xi m\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho x\u00e2y m\u1ed9t s\u1ed1 ph\u1ea7n vi\u1ec7c nh\u01b0 \u0111\u00fac c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n \u1ed1ng c\u1ed1ng, x\u00e2y t\u01b0\u1eddng ch\u1eafn, r\u00e3nh tho\u00e1t n\u01b0\u1edbc, \u0111\u1ed5 m\u1ed1, m\u00f3ng, m\u0169… v\u00e0 c\u00e1c c\u1ea5u ki\u1ec7n kh\u00e1c c\u1ee7a c\u1ed1ng…<\/p>\n

        Nh\u00e0 th\u1ea7u s\u1ebd t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 kh\u1ed1i l\u01b0\u1ee3ng t\u1eebng ph\u1ea7n vi\u1ec7c \u0111\u1ec3 b\u1ed1 tr\u00ed l\u01b0\u1ee3ng xi m\u0103ng t\u1ea1i kho cho h\u1ee3p l\u00fd, \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u01b0\u1ee3c di\u1ec5n ra li\u00ean t\u1ee5c, h\u1ee3p l\u00fd, kh\u00f4ng \u0111\u1ec3 d\u01b0 th\u1eeba nhi\u1ec1u hay thi\u1ebfu h\u1ee5t l\u01b0\u1ee3ng xi m\u0103ng c\u0169ng nh\u01b0 v\u1eadt t\u01b0, v\u1eadt li\u1ec7u kh\u00e1c trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

        K\u1ebft c\u1ea5u kho xi m\u0103ng, s\u1eaft th\u00e9p c\u00f3 quy m\u00f4 nh\u01b0 v\u0103n ph\u00f2ng c\u00f4ng tr\u01b0\u1eddng t\u01b0\u1eddng th\u01b0ng t\u00f4n, ho\u1eb7c t\u1ea5m th\u00e9p m\u1ecfng, n\u1ec1n t\u00f4n cao l\u00e1ng v\u1eefa XM. Di\u1ec7n t\u00edch kho kho\u1ea3ng 50m2. Khi b\u00e3i \u0111\u00fac ph\u1ea3i di chuy\u1ec3n do \u0111\u1eb7c tr\u01b0ng c\u1ee7a tuy\u1ebfn, nh\u00e0 th\u1ea7u v\u1eabn ph\u1ea3i d\u1ef1ng m\u1ed9t kho kh\u00e1c \u0111\u1ec3 b\u1ea3o qu\u1ea3n xi m\u0103ng c\u00f3 k\u1ebft c\u1ea5u t\u01b0\u01a1ng t\u1ef1.<\/p>\n

        g. B\u00e3i v\u1eadt li\u1ec7u r\u1eddi.<\/p>\n

        Do ph\u1ea1m vi c\u00f4ng tr\u01b0\u1eddng ch\u1eadt h\u1eb9p (d\u1ecdc theo h\u01b0\u1edbng thi c\u00f4ng c\u1ee7a tuy\u1ebfn) ph\u01b0\u01a1ng ti\u1ec7n ra v\u00e0o th\u01b0\u1eddng xuy\u00ean, nh\u00e0 th\u1ea7u s\u1ebd t\u1eadp k\u1ebft v\u00e0 b\u1ed1 tr\u00ed b\u00e3i v\u1eadt li\u1ec7u d\u1ea7n tr\u00ean c\u00f4ng tr\u01b0\u1eddng theo ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng \u0111\u1ec3 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c giao th\u00f4ng v\u00e0 c\u00e1c thao t\u00e1c thi c\u00f4ng tr\u00ean c\u00f4ng tr\u01b0\u1eddng, sao cho v\u1eadt li\u1ec7u t\u1ea1i c\u00f4ng tr\u01b0\u1eddng lu\u00f4n \u0111\u1ea3m b\u1ea3o thi c\u00f4ng li\u00ean t\u1ee5c.<\/p>\n

        Ngo\u00e0i c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u r\u1eddi \u0111\u1eb7t t\u1ea1i b\u00e3i \u0111\u00fac, nh\u00e0 th\u1ea7u s\u1ebd ph\u1ea3i v\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1eb7t tr\u1ef1c ti\u1ebfp t\u1ea1i c\u00e1c h\u1ea1ng m\u1ee5c thi c\u00f4ng ngo\u00e0i tuy\u1ebfn v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng c\u0103n c\u1ee9 v\u00e0o kh\u1ed1i l\u01b0\u1ee3ng thi c\u00f4ng.<\/p>\n

        h. Khu v\u1ec7 sinh c\u00f4ng tr\u01b0\u1eddng<\/p>\n

        Khu v\u1ec7 sinh c\u00f4ng tr\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed t\u1ea1i 01 g\u00f3c sao cho \u0111\u1ea3m b\u1ea3o cu\u1ed1i h\u01b0\u1edbng gi\u00f3 v\u00e0 \u1edf v\u1ecb tr\u00ed khu\u1ea5t, c\u00f3 h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn n\u01b0\u1edbc v\u1ec7 sinh v\u00e0 c\u00f3 h\u1ed1 ch\u1ee9a, h\u1ed1 l\u1ecdc \u0111\u1ea3m b\u1ea3o theo quy \u0111\u1ecbnh v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 th\u1ea3i ra r\u00e3nh tho\u00e1t n\u01b0\u1edbc chung.<\/p>\n

         <\/p>\n

         <\/p>\n

         <\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 II. THI C\u00d4NG CHI TI\u1ebeT N\u1ec0N \u0110\u01af\u1edcNG<\/strong><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Kh\u00f4i ph\u1ee5c c\u1ecdc v\u00e0 x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi thi c\u00f4ng<\/em><\/strong><\/p>\n

        Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u x\u00e2y d\u1ef1ng n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i:<\/p>\n

        – Kh\u00f4i ph\u1ee5c t\u1ea1i th\u1ef1c \u0111\u1ecba nh\u1eefng c\u1ecdc ch\u1ee7 y\u1ebfu x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed tuy\u1ebfn \u0111\u01b0\u1eddng thi\u1ebft k\u1ebf.<\/p>\n

        – \u0110o \u0111\u1ea1c, ki\u1ec3m tra v\u00e0 \u0111\u00f3ng th\u00eam c\u1ecdc ph\u1ee5 t\u1ea1i nh\u1eefng \u0111o\u1ea1n c\u00e1 bi\u1ec7t \u0111\u1ec3 t\u00ednh kh\u1ed1i \u0111\u1ea5t v\u00e0 \u0111i\u1ec1u h\u00e0nh thi c\u00f4ng \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n

        – Ki\u1ec3m tra cao \u0111\u1ed9 thi\u00ean nhi\u00ean \u1edf nh\u1eefng c\u1ecdc \u0111o cao c\u0169 tr\u00ean c\u00e1c \u0111o\u1ea1n c\u00e1 bi\u1ec7t v\u00e0 \u0111\u00f3ng th\u00eam c\u00e1c c\u1ecdc \u0111o cao t\u1ea1m th\u1eddi.<\/p>\n

        – Ngo\u00e0i ra trong khi kh\u00f4i ph\u1ee5c l\u1ea1i tuy\u1ebfn \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 ph\u1ea3i ch\u1ec9nh tuy\u1ebfn \u1edf m\u1ed9t s\u1ed1 \u0111o\u1ea1n \u0111\u1ec3 l\u00e0m cho tuy\u1ebfn \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n ho\u1eb7c gi\u1ea3m b\u1edbt \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng t\u00e1c. Vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh tuy\u1ebfn t\u1ea1i th\u1ef1c \u0111\u1ecba \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – <\/strong>\u1ede tr\u00ean \u0111\u01b0\u1eddng cong \u0111\u00f3ng c\u00e1c c\u1ecdc nh\u1ecf, kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang tu\u1ef3 theo b\u00e1n k\u00ednh \u0111\u01b0\u1eddng tr\u00f2n m\u00e0 l\u1ea5y nh\u01b0 sau:<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – R <100m kho\u1ea3ng c\u00e1ch c\u00e1c c\u1ecdc l\u00e0 5m.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – R t\u1eeb 100 \u0111\u1ebfn 500m kho\u1ea3ng c\u00e1ch c\u00e1c c\u1ecdc l\u00e0 10m.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 – R > 500m kho\u1ea3ng c\u00e1ch c\u00e1c c\u1ecdc l\u00e0 20m .<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ec3 c\u1ed1 \u0111\u1ecbnh \u0111\u1ec9nh \u0111\u01b0\u1eddng cong, th\u01b0\u1eddng d\u00f9ng c\u00e1c c\u1ecdc \u0111\u1ec9nh, c\u1ecdc \u0111\u1ec9nh \u0111\u01b0\u1ee3c ch\u00f4n \u1edf tr\u00ean \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c v\u00e0 c\u00e1ch \u0111\u1ec9nh \u0111\u01b0\u1eddng cong 0.5m tr\u00ean c\u1ecdc c\u00f3 ghi s\u1ed1 \u0111\u1ec9nh \u0111\u01b0\u1eddng cong, b\u00e1n k\u00ednh, ti\u1ebfp tuy\u1ebfn v\u00e0 ph\u00e2n c\u1ef1, m\u1eb7t ghi h\u01b0\u1edbng v\u1ec1 ph\u00eda \u0111\u1ec9nh g\u00f3c. Ngay t\u1ea1i \u0111\u1ec9nh g\u00f3c v\u00e0 \u0111\u00fang d\u01b0\u1edbi qu\u1ea3 d\u1ecdi c\u1ee7a m\u00e1y, \u0111\u00f3ng th\u00eam c\u1ecdc kh\u00e1c cao h\u01a1n m\u1eb7t \u0111\u1ea5t 10cm.<\/p>\n

        Tr\u01b0\u1eddng h\u1ee3p g\u00f3c c\u00f3 ph\u00e2n c\u1ef1 b\u00e9 th\u00ec \u0111\u00f3ng c\u1ecdc to \u1edf tr\u00ean \u0111\u01b0\u1eddng ti\u1ebfp tuy\u1ebfn k\u00e9o d\u00e0i kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang l\u00e0 20m.<\/p>\n

        Khi kh\u00f4i ph\u1ee5c tuy\u1ebfn \u0111\u1eb7t th\u00eam c\u00e1c m\u1ed1c cao \u0111\u1ed9 ph\u1ee5 \u0111\u1ec3 thu\u1eadn ti\u1ec7n trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang b\u1eb1ng tu\u1ef3 thu\u1ed9c theo \u0111\u1ecba h\u00ecnh t\u1eeb (0.5 \u2013 1 Km). Ngo\u00e0i ra c\u00f2n \u0111\u1eb7t m\u1ed1c \u0111o cao \u0111\u1ed9 \u1edf n\u01a1i c\u00f3 c\u00f4ng tr\u00ecnh c\u1ea7u, c\u1ed1ng\u2026<\/p>\n

        C\u00e1c m\u1ed1c \u0111o cao \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u01b0\u1edbc v\u00e0 ch\u00f4n ch\u1eb7t \u1edf \u0111\u1ea5t ho\u1eb7c l\u1ee3i d\u1ee5ng v\u1eadt c\u1ed1 \u0111\u1ecbnh nh\u01b0 th\u1ec1m nh\u00e0 (n\u1ebfu c\u00f3), c\u00e1c t\u1ea3ng \u0111\u00e1 to tr\u1ed3i l\u00ean m\u1eb7t \u0111\u1ea5t v.v\u2026 khi chuy\u1ec1n m\u1ed1c ph\u1ea3i m\u1eddi K\u1ef9 s\u01b0 t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t c\u00f9ng \u0111o v\u00e0 b\u00ecnh sai k\u1ebft qu\u1ea3 \u0111o. Tr\u00ean c\u00e1c m\u1ed1c \u0111o cao \u0111\u1ec1u \u0111\u00e1nh d\u1ea5u ch\u1ed7 \u0111\u1eb7t mia b\u1eb1ng c\u00e1ch \u0111\u00f3ng \u0111inh ho\u1eb7c v\u1ea1ch s\u01a1n. \u0110\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c c\u00e1c c\u1ecdc 100m (H) trong su\u1ed1t th\u1eddi gian thi c\u00f4ng, c\u1ea7n d\u1eddi n\u00f3 ra kh\u1ecfi ph\u1ea1m vi thi c\u00f4ng. Tr\u00ean c\u00e1c c\u1ecdc n\u00e0y \u0111\u1ec1u ghi th\u00eam kho\u1ea3ng c\u00e1ch d\u1eddi ch\u1ed7.<\/p>\n

        Trong qu\u00e1 tr\u00ecnh kh\u00f4i ph\u1ee5c tuy\u1ebfn \u0111\u01b0\u1eddng c\u00f2n ph\u1ea3i \u0111\u1ecbnh ph\u1ea1m vi thi c\u00f4ng l\u00e0 nh\u1eefng ch\u1ed7 c\u1ea7n ph\u1ea3i ch\u1eb7t c\u00e2y c\u1ed1i, ch\u1ed7 \u0111\u1eb7t m\u1ecf \u0111\u1ea5t v.v\u2026 Ranh gi\u1edbi c\u1ee7a ph\u1ea1m vi thi c\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u b\u1eb1ng c\u00e1ch \u0111\u00f3ng c\u1ecdc ho\u1eb7c b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p kh\u00e1c. C\u1ea7n v\u1ebd s\u01a1 \u0111\u1ed3 ph\u1ea1m vi thi c\u00f4ng c\u00f3 ghi \u0111\u1ea7y \u0111\u1ee7 ru\u1ed9ng v\u01b0\u1eddn, \u0111\u1ed3i c\u00e2y… C\u00e1c c\u00f4ng tr\u00ecnh ph\u1ea3i d\u1eddi ho\u1eb7c ph\u00e1 \u0111\u1ec3 \u0111\u01b0a c\u00e1c c\u01a1 quan c\u00f3 tr\u00e1ch nhi\u1ec7m duy\u1ec7t v\u00e0 ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c \u0111\u1ec1n b\u00f9.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0 2. C\u00f4ng t\u00e1c l\u00ean khu\u00f4n \u0111\u01b0\u1eddng:<\/em><\/strong><\/p>\n

        C\u00f4ng t\u00e1c l\u00ean khu\u00f4n \u0111\u01b0\u1eddng (c\u00f4ng t\u00e1c l\u00ean ga) nh\u1eb1m c\u1ed1 \u0111\u1ecbnh nh\u1eefng v\u1ecb tr\u00ed ch\u1ee7 y\u1ebfu c\u1ee7a m\u1eb7t c\u1eaft ngang n\u1ec1n \u0111\u01b0\u1eddng tr\u00ean th\u1ef1c \u0111\u1ecba \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi c\u00f4ng \u0111\u00fang thi\u1ebft k\u1ebf. T\u00e0i li\u1ec7u \u0111\u1ec3 l\u00ean khu\u00f4n \u0111\u01b0\u1eddng l\u00e0 b\u1ea3n v\u1ebd m\u1eb7t c\u1eaft d\u1ecdc, m\u1eb7t b\u1eb1ng v\u00e0 m\u1eb7t c\u1eaft ngang n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

        Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00e1c c\u1ecdc l\u00ean khu\u00f4n \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t do \u0111\u00f3 c\u1ea7n ph\u1ea3i d\u1eddi ra kh\u1ecfi ph\u1ea1m vi thi c\u00f4ng. Ngo\u00e0i ra c\u00f2n d\u00f9ng c\u00e1c m\u00e1y thu\u1ef7 b\u00ecnh, c\u00e1c d\u1ee5ng c\u1ee5 \u0111o \u0111\u1ec3 ki\u1ec3m tra h\u00ecnh d\u1ea1ng v\u00e0 \u0111\u1ed9 cao n\u1ec1n \u0111\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

        V\u1edbi n\u1ec1n \u0111\u1eafp c\u00f4ng t\u00e1c l\u00ean khu\u00f4n \u0111\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 cao \u0111\u1eafp \u0111\u1ea5t t\u1ea1i tr\u1ee5c \u0111\u01b0\u1eddng v\u00e0 m\u00e9p \u0111\u01b0\u1eddng, x\u00e1c \u0111\u1ecbnh ch\u00e2n ta luy v\u00e0 gi\u1edbi h\u1ea1n th\u00f9ng \u0111\u1ea5u (n\u1ebfu c\u00f3). C\u00e1c c\u1ecdc l\u00ean khu\u00f4n \u0111\u01b0\u1eddng \u1edf n\u1ec1n \u0111\u1eafp th\u1ea5p \u0111\u01b0\u1ee3c \u0111\u00f3ng t\u1ea1i v\u1ecb tr\u00ed c\u1ecdc 100m v\u00e0 c\u1ecdc ph\u1ee5, \u1edf n\u1ec1n \u0111\u1eafp cao \u0111\u01b0\u1ee3c \u0111\u00f3ng c\u00e1ch nhau 5-10m v\u00e0 \u1edf \u0111\u01b0\u1eddng cong c\u00e1ch nhau 5-10m.<\/p>\n

        \u0110\u1ed1i v\u1edbi n\u1ec1n \u0111\u00e0o c\u00e1c c\u1ecdc l\u00ean khu\u00f4n \u0111\u01b0\u1eddng ph\u1ea3i r\u1eddi kh\u1ecfi ph\u1ea1m vi thi c\u00f4ng, tr\u00ean c\u00e1c c\u1ecdc n\u00e0y ph\u1ea3i ghi l\u00fd tr\u00ecnh v\u00e0 chi\u1ec1u s\u00e2u \u0111\u00e0o \u0111\u1ea5t, sau \u0111\u00f3 ph\u1ea3i \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u00e9p taluy n\u1ec1n \u0111\u00e0o. Trong qu\u00e1 tr\u00ecnh \u0111\u00e0o th\u01b0\u1eddng xuy\u00ean \u0111\u1eb7t c\u00e1c th\u01b0\u1edbc taluy \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c ta luy trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng, khi \u0111\u00e0o \u0111\u1ea5t \u0111\u1ebfn g\u1ea7n \u0111\u1ed9 s\u00e2u thi\u1ebft k\u1ebf th\u00ec c\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111\u1ed9 cao n\u1ec1n \u0111\u00e0o b\u1eb1ng c\u00e1ch \u0111\u00e0o c\u00e1c h\u1ed1 d\u1ecdc theo tim \u0111\u01b0\u1eddng v\u00e0 m\u00e9p \u0111\u01b0\u1eddng cho \u0111\u1ebfn \u0111\u1ed9 cao thi\u1ebft k\u1ebf r\u1ed3i d\u00f9ng n\u00f3 \u0111\u1ec3 l\u00e0m chu\u1ea9n.<\/p>\n

        \u0110\u1ed1i v\u1edbi r\u00e3nh bi\u00ean, r\u00e3nh \u0111\u1ec9nh c\u00e1c c\u1ecdc l\u00ean khu\u00f4n \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i tim, m\u00e9p r\u00e3nh v\u00e0 c\u0169ng ph\u1ea3i d\u1eddi ra kh\u1ecfi ph\u1ea1m vi thi c\u00f4ng.<\/p>\n

        \u00a0\u00a0\u00a0\u00a0 3. L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c thi c\u00f4ng<\/strong><\/p>\n

        M\u00e1y m\u00f3c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o \u0111\u1ea7y \u0111\u1ee7 \u0111\u00fang ch\u1ee7ng lo\u1ea1i. T\u1ea5t c\u1ea3 m\u00e1y m\u00f3c ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c thi c\u00f4ng n\u1ec1n \u0111\u1ec1u \u0111\u01b0\u1ee3c k\u1ef9 thu\u1eadt gi\u00e1m s\u00e1t t\u1ea1i c\u00f4ng tr\u01b0\u1eddng l\u1eadp n\u00ean bi\u1ec3u ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng chi ti\u1ebft v\u00e0 \u0111\u01b0\u1ee3c Gi\u00e1m \u0111\u1ed1c \u0111i\u1ec1u h\u00e0nh ph\u00ea duy\u1ec7t, sau \u0111\u00f3 c\u00f3 s\u1ef1 ch\u1ea5p nh\u1eadn c\u1ee7a K\u1ef9 s\u01b0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t nghi\u1ec7m thu v\u1eadn h\u00e0nh th\u00ed \u0111i\u1ec3m v\u00e0 \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh cho c\u00f4ng tr\u00ecnh.<\/p>\n

        + Thi\u1ebft b\u1ecb thi c\u00f4ng ch\u1ee7 \u0111\u1ea1o.<\/p>\n\n\n\n
        \n
          \n
        • 06 \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5 7-:-15T<\/li>\n
        • 04 m\u00e1y \u1ee7i 110-180CV<\/li>\n
        • 02 m\u00e1y \u0111\u00e0o 0.8-:-1,25m3.<\/li>\n
        • 02 m\u00e1y san 110CV<\/li>\n
        • 02 Lu l\u1ed1p 9-16T<\/li>\n<\/ul>\n

          – 02 Lu rung b\u00e1nh th\u00e9p 16-25T<\/p>\n<\/td>\n

        		\n
          \n
        • 04 Lu t\u0129nh 6-12T<\/li>\n
        • 08 m\u00e1y khoan c\u1ea7m tay<\/li>\n
        • 02 m\u00e1y n\u00e9n kh\u00ed 660m3<\/sup>\/h<\/li>\n
        • 02 Xe Stec n\u01b0\u1edbc 5m3<\/li>\n
        • 10 \u0110\u1ea7m c\u00f3c<\/li>\n
        • 01 m\u00e1y c\u00e0y x\u1edbi 75CV<\/li>\n<\/ul>\n

           <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          – C\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

          – C\u00e1c thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/p>\n

          Nh\u00e2n l\u1ef1c ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed d\u1ef1a tr\u00ean bi\u1ec3u \u0111\u1ed3 nh\u00e2n l\u1ef1c v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c h\u1ecdc qua l\u1edbp an to\u00e0n lao \u0111\u1ed9ng v\u00e0 \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u v\u1ec1 b\u1eadc th\u1ee3.<\/p>\n

           <\/p>\n

           <\/p>\n

           <\/p>\n

           <\/p>\n

           <\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. Bi\u1ec7n ph\u00e1p thi c\u00f4ng chi ti\u1ebft n\u1ec1n<\/strong><\/p>\n

          Nh\u01b0 \u0111\u00e3 n\u00eau \u1edf tr\u00ean, theo thi\u1ebft k\u1ebf, tuy\u1ebfn ch\u1ee7 y\u1ebfu l\u00e0 n\u1ec1n \u0111\u00e0o chi\u1ebfm kh\u1ed1i l\u01b0\u1ee3ng r\u1ea5t\u00a0 l\u1edbn, m\u1eb7t c\u1eaft ngang n\u1ec1n \u0111\u01b0\u1eddng c\u00f3 d\u1ea1ng h\u00ecnh thang, ch\u1eef L, n\u1eeda \u0111\u00e0o n\u1eeda \u0111\u1eafp, c\u1ee5c b\u1ed9 c\u00f3 m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed \u0111\u1eafp to\u00e0n b\u1ed9 th\u00e2n n\u1ec1n \u0111\u01b0\u1eddng. Kh\u1ed1i l\u01b0\u1ee3ng thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng bao g\u1ed3m: ph\u00e1t quang m\u1eb7t b\u1eb1ng, \u0111\u00e0o \u0111\u1ea5t, \u0111\u00e0o \u0111\u00e1, \u0111\u1eafp \u0111\u1ea5t n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

          Tr\u01b0\u1edbc khi thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng Nh\u00e0 th\u1ea7u l\u00e0m c\u00f4ng t\u00e1c ph\u00e1t quang m\u1eb7t b\u1eb1ng trong ph\u1ea1m vi gi\u1edbi\u00a0 h\u1ea1n thi c\u00f4ng, ph\u1ea1m vi n\u00e0y g\u1ed3m ch\u00e2n taluy n\u1ec1n \u0111\u1eafp v\u00e0 \u0111\u1ec9nh taluy n\u1ec1n \u0111\u00e0o.<\/p>\n

          Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o v\u00e0 thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng kh\u00e1c nhau tu\u1ef3 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. Ch\u1ecdn ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng b\u1eb1ng m\u00e1y thi c\u00f4ng k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc sau:<\/p>\n

          – M\u00e1y m\u00f3c v\u00e0 nh\u00e2n l\u1ef1c ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thu\u1eadn l\u1ee3i nh\u1ea5t, ph\u00e1t huy \u0111\u01b0\u1ee3c t\u1ed1i \u0111a c\u00f4ng su\u1ea5t c\u1ee7a m\u00e1y, ph\u1ea3i c\u00f3 \u0111\u1ee7 di\u1ec7n thi c\u00f4ng, \u0111\u1ea3m b\u1ea3o m\u00e1y m\u00f3c v\u00e0 nh\u00e2n l\u1ef1c l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c b\u00ecnh th\u01b0\u1eddng v\u00e0 an to\u00e0n.<\/p>\n

          – \u0110\u1ea3m b\u1ea3o c\u00e1c lo\u1ea1i \u0111\u1ea5t c\u00f3 t\u00ednh ch\u1ea5t kh\u00e1c nhau \u0111\u1eafp th\u00e0nh n\u1ec1n \u0111\u01b0\u1eddng theo t\u1eebng l\u1edbp kh\u00e1c nhau \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t, k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc \u0111\u00fang y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

          – \u0110\u1ea3m b\u1ea3o n\u1ec1n \u0111\u01b0\u1eddng tho\u00e1t n\u01b0\u1edbc d\u1ec5 d\u00e0ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u00e0o v\u00e0 \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

          – \u0110\u1ea3m b\u1ea3o th\u00f4ng xe trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0 4.1. Thi c\u00f4ng \u0111\u00e0o n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea5t:<\/em><\/strong><\/p>\n

          C\u00f4ng t\u00e1c \u0111\u00e0o v\u00e0 x\u00fac \u0111\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ho\u00e0n to\u00e0n b\u1eb1ng c\u01a1 gi\u1edbi. Ch\u1ec9 k\u1ebft h\u1ee3p v\u1edbi l\u1ef1c l\u01b0\u1ee3ng th\u1ee7 c\u00f4ng t\u1ea1i m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed m\u00e0 m\u00e1y kh\u00f4ng th\u1ec3 thi c\u00f4ng.<\/p>\n

          \u00a0\u00a0\u00a0 + Vi\u1ec7c \u0111\u00e0o \u0111\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u00e1y \u1ee7i 108CV, m\u00e1y \u0111\u00e0o 0,8m3.<\/p>\n

          + Sau khi \u0111\u00e0o, m\u00e1y \u1ee7i s\u1ebd v\u1eadn chuy\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed t\u1eadp k\u1ebft.<\/p>\n

          + M\u1ed9t ph\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u00e0o \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi v\u1ecb tr\u00ed \u0111\u1ec3 \u0111\u1eafp b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi nh\u01b0 m\u00e1y \u1ee7i v\u00e0 xe \u00f4t\u00f4 t\u1ef1 \u0111\u1ed5 7-15T, th\u1ee7 c\u00f4ng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n nh\u01b0 xe k\u00e9o, s\u1ecdt \u0111\u1ea5t…<\/p>\n

          T\u1ea1i m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed m\u00e0 ta luy cao, m\u00e1y \u1ee7i s\u1ebd \u0111\u00e0o th\u00e0nh nhi\u1ec1u c\u1ea5p. Do tuy\u1ebfn m\u1edbi, chi\u1ec1u d\u1ecdc \u0111\u1ee7 d\u00e0i \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m cho m\u00e1y l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c an to\u00e0n do \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0a m\u00e1y \u1ee7i l\u00ean ph\u00eda tr\u00ean \u0111\u1ec9nh taluy ti\u1ebfn h\u00e0nh m\u1edf r\u1ed9ng b\u1eb1ng c\u00e1ch \u0111\u00e0o t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n

          \u0110\u1ea5t \u0111\u00e0o ra \u0111\u1ea9y h\u1ebft xu\u1ed1ng ph\u1ea7n n\u1ec1n \u0111\u01b0\u1eddng c\u0169 v\u00e0 \u1edf \u0111\u00e2y l\u1ea1i b\u1ed1 tr\u00ed m\u00e1y \u1ee7i ho\u1eb7c m\u00e1y san chuy\u1ec3n ti\u1ebfp \u0111\u1ebfn ch\u1ed7 \u0111\u1ed5 \u0111\u1ea5t th\u1eeba.<\/p>\n

          \u0110\u1ec3 \u0111\u01b0a m\u00e1y l\u00ean trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ecba h\u00ecnh kh\u00f3 kh\u0103n th\u00ec ph\u1ea3i d\u00f9ng nh\u00e2n l\u1ef1c m\u1edf \u0111\u01b0\u1eddng v\u00e0 t\u1ea1o n\u00ean m\u1ed9t d\u1ea3i b\u1eb1ng ph\u1eb3ng r\u1ed9ng h\u01a1n 4m \u1edf ph\u00eda tr\u00ean \u0111\u1ec9nh ta luy n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ec3 m\u00e1y l\u00e0m vi\u1ec7c \u0111\u01b0\u1ee3c an to\u00e0n.<\/p>\n

          \u0110\u1ec3 thi c\u00f4ng nhanh ch\u00f3ng hay \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng tr\u00ean \u0111\u01b0\u1eddng m\u1edf r\u1ed9ng, c\u00f3 th\u1ec3 d\u00f9ng 2 m\u00e1y c\u00f9ng ti\u1ebfn h\u00e0nh. M\u00e1y \u1edf tr\u00ean \u0111\u00e0o v\u00e0 v\u1eadn chuy\u1ec3n \u0111\u1ea5t xu\u1ed1ng b\u1eadc d\u01b0\u1edbi, m\u00e1y \u1edf d\u01b0\u1edbi l\u00e0m nhi\u1ec7m v\u1ee5 \u0111\u1ea9y \u0111\u1ea5t ra ngo\u00e0i ph\u1ea1m vi \u0111\u01b0\u1eddng ho\u1eb7c x\u00fac l\u00ean xe v\u1eadn chuy\u1ec3n. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong thi c\u00f4ng, m\u1ed7i m\u00e1y ph\u1ea3i thi c\u00f4ng tr\u00ean c\u00e1c \u0111o\u1ea1n kh\u00e1c nhau. Nh\u01b0ng b\u1ed1 tr\u00ed l\u00e0m sao m\u00e1y \u1edf b\u1eadc d\u01b0\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea9y h\u1ebft \u0111\u1ea5t, san ph\u1eb3ng cho xe c\u1ed9 ch\u1ea1y \u0111\u01b0\u1ee3c theo gi\u1edd quy \u0111\u1ecbnh c\u1ee7a c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

          Tr\u01b0\u1eddng h\u1ee3p n\u1ec1n \u0111\u00e0o ch\u1eef L ho\u1eb7c \u0111\u00e0o ho\u00e0n to\u00e0n, v\u1eeba m\u1edf r\u1ed9ng l\u1ea1i v\u1eeba g\u1ecdt th\u1ea5p \u0111\u1ed9 cao, th\u00ec c\u0169ng v\u1eabn d\u00f9ng c\u00e1c bi\u1ec7n ph\u00e1p thi c\u00f4ng n\u00f3i tr\u00ean \u0111\u1ec3 thi c\u00f4ng ph\u1ea1m vi c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng theo thi\u1ebft k\u1ebf. Sau khi m\u1edf n\u1ec1n g\u1ea7n \u0111\u1ebfn \u0111\u1ed9 cao n\u1ec1n thi\u1ebft k\u1ebf, d\u1eebng l\u1ea1i \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c lu l\u00e8n.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o giao th\u00f4ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/strong><\/p>\n

          – Tr\u01b0\u1edbc khi \u0111\u00e0o ho\u1eb7c \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng ti\u00eau tho\u00e1t n\u01b0\u1edbc, tr\u01b0\u1edbc h\u1ebft l\u00e0 ti\u00eau n\u01b0\u1edbc b\u1ec1 m\u1eb7t (n\u01b0\u1edbc m\u01b0a, n\u01b0\u1edbc ao, h\u1ed3, c\u1ed1ng r\u00e3nh, …) ng\u0103n kh\u00f4ng cho ch\u1ea3y v\u00e0o h\u1ed1 m\u00f3ng c\u00f4ng tr\u00ecnh v\u00e0 n\u1ec1n \u0111\u01b0\u1eddng. Ph\u1ea3i \u0111\u00e0o m\u01b0\u01a1ng, kh\u01a1i r\u00e3nh, \u0111\u1eafp b\u1edd con tr\u1ea1ch, … tu\u1ef3 theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba h\u00ecnh v\u00e0 t\u00ednh ch\u1ea5t c\u00f4ng tr\u00ecnh.<\/p>\n

          – Khi c\u00f4ng t\u00e1c \u0111\u00e0o \u1edf nh\u1eefng \u1edf nh\u1eefng v\u1ecb tr\u00ed n\u1eb1m d\u01b0\u1edbi m\u1ef1c n\u01b0\u1edbc ng\u1ea7m th\u00ec ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ti\u00eau n\u01b0\u1edbc m\u1eb7t k\u1ebft h\u1ee3p v\u1edbi ti\u00eau n\u01b0\u1edbc ng\u1ea7m trong ph\u1ea1m vi b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u00f4ng tr\u00ecnh. Ph\u1ea3i b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng r\u00e3nh ti\u00eau n\u01b0\u1edbc, gi\u1ebfng thu n\u01b0\u1edbc, v\u1ecb tr\u00ed b\u01a1m di \u0111\u1ed9ng v\u00e0 tr\u1ea1m b\u01a1m ti\u00eau n\u01b0\u1edbc cho t\u1eebng \u0111o\u1ea1n thi c\u00f4ng c\u00f4ng tr\u00ecnh. Trong b\u1ea5t c\u1ee9 tr\u01b0\u1eddng h\u1ee3p n\u00e0o, nh\u1ea5t thi\u1ebft kh\u00f4ng \u0111\u1ec3 \u0111\u1ecdng n\u01b0\u1edbc v\u00e0 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

          – T\u1ea5t c\u1ea3 h\u1ec7 th\u1ed1ng ti\u00eau n\u01b0\u1edbc trong th\u1eddi gian thi c\u00f4ng c\u00f4ng tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n t\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n

          – S\u1eed d\u1ee5ng c\u00e1c c\u1ecdc g\u1ed7, th\u01b0\u1edbc d\u00e2y, m\u1ed1c chu\u1ea9n \u0111\u1ec3 kh\u1ed1ng ch\u1ebf gi\u1edbi h\u1ea1n ph\u1ea7n \u0111\u1ea5t \u0111\u00e0o trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng. N\u1ebfu c\u00f3 th\u1ec3, nh\u1eefng v\u1eadt c\u1ed1 \u0111\u1ecbnh nh\u01b0 c\u00e2y c\u1ed1i, k\u1ebft c\u1ea5u tho\u00e1t n\u01b0\u1edbc ho\u1eb7c nh\u1eefng t\u1ea3ng \u0111\u00e1 c\u1ed1 \u0111\u1ecbnh s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u nh\u1edd \u0111\u00f3 ph\u1ea7n c\u00f4ng vi\u1ec7c \u0111\u00e3 ho\u00e0n th\u00e0nh sau n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m tra l\u1ea1i. Tr\u00ecnh T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t xem x\u00e9t tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u00f4ng vi\u1ec7c \u0111\u00e0o b\u1ecf. T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t xem x\u00e9t quy\u1ebft \u0111\u1ecbnh c\u00f4ng vi\u1ec7c c\u1ea7n l\u00e0m v\u00e0 ch\u1ec9 \u0111\u1ecbnh nh\u1eefng c\u00e2y c\u1ed1i v\u00e0 c\u00e1c v\u1eadt kh\u00e1c \u0111\u01b0\u1ee3c ph\u00e9p gi\u1eef l\u1ea1i.<\/p>\n

          – \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng tr\u00ean tuy\u1ebfn th\u00ec trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e0o ra \u0111\u01b0\u1ee3c \u1ee7i san g\u1ecdn g\u00e0ng v\u00e0 nhanh ch\u00f3ng \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi v\u1ecb tr\u00ed quy \u0111\u1ecbnh, m\u1ed7i ng\u00e0y \u0111\u1ec1u ph\u1ea3i g\u1ea1t s\u1ea1ch \u0111\u1ea5t r\u01a1i v\u00e3i tr\u00ean m\u1eb7t \u0111\u01b0\u1eddng c\u0169 \u0111\u1ec3 ph\u00f2ng m\u01b0a xu\u1ed1ng g\u00e2y tr\u01a1n l\u1ea7y.<\/p>\n

          – Khi \u0111\u1ea5t \u0111\u00e0o \u0111\u01b0\u1ee3c v\u00ec m\u1ed9t l\u00fd do n\u00e0o \u0111\u00f3 m\u00e0 sau khi \u0111\u00e0o ch\u01b0a v\u1eadn chuy\u1ec3n \u0111i ngay \u0111\u01b0\u1ee3c th\u00ec \u0111\u1ea5t b\u1ecf ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed5 th\u00e0nh t\u1eebng \u0111\u1ed1ng g\u1ecdn g\u00e0ng \u0111\u1ec3 tr\u00e1nh l\u00e0m c\u1ea3n tr\u1edf giao th\u00f4ng tr\u00ean tuy\u1ebfn v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n m\u00e1y m\u00f3c thi c\u00f4ng. Khi \u0111\u1ed5 \u0111\u1ed1ng \u0111\u1ea5t b\u1ecf c\u1ee7a n\u1ec1n \u0111\u00e0o v\u1ec1 ph\u00eda tr\u00ean d\u1ed1c th\u00ec c\u1ea7n \u0111\u1ed5 li\u00ean t\u1ee5c th\u00e0nh \u0111\u00ea ng\u0103n n\u01b0\u1edbc, d\u1eabn n\u01b0\u1edbc ra ngo\u00e0i kh\u00f4ng \u0111\u1ec3 ch\u1ea3y v\u00e0o n\u1ec1n \u0111\u01b0\u1eddng. N\u1ebfu \u0111\u1ed5 ph\u00eda d\u01b0\u1edbi d\u1ed1c, th\u00ec ph\u1ea3i \u0111\u1ed5 gi\u00e1n \u0111o\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc c\u00f3 th\u1ec3 tho\u00e1t ra ngo\u00e0i m\u1ed9t c\u00e1ch thu\u1eadn l\u1ee3i.<\/p>\n

          – \u0110\u01b0\u1eddng l\u00e0m xong \u0111\u1ebfn \u0111\u00e2u th\u00ec l\u00e0m ngay h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc \u0111\u1ebfn \u0111\u00f3, \u0111\u1ea3m b\u1ea3o m\u1eb7t \u0111\u01b0\u1eddng lu\u00f4n kh\u00f4 r\u00e1o.<\/p>\n

          Do tuy\u1ebfn thi c\u00f4ng l\u00e0 tuy\u1ebfn m\u1edbi, vi\u1ec7c giao th\u00f4ng trong tuy\u1ebfn ch\u1ec9 l\u00e0 trong n\u1ed9i b\u1ed9 nh\u00e0 th\u1ea7u, do \u0111\u00f3 nh\u00e0 th\u1ea7u s\u1ebd nghi\u00ean c\u1ee9u ph\u01b0\u01a1ng \u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u1ea3n tr\u1edf giao th\u00f4ng gi\u1eefa c\u00e1c t\u1ed5 \u0111\u1ed9i trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n.<\/p>\n

          – N\u1ebfu \u0111\u1ea5t \u0111\u00e0o \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u1eafp v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u00fang t\u00f4i s\u1ebd t\u1eadn d\u1ee5ng \u0111\u1ec3 \u0111\u1eafp \u0111\u1ea5t t\u1ea1i v\u1ecb tr\u00ed \u0111\u01b0\u1eddng \u0111\u1eafp. \u0110\u1ea5t th\u1eeba v\u00e0 \u0111\u1ea5t kh\u00f4ng \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111\u1eafp ph\u1ea3i b\u1ecf \u0111i th\u00ec s\u1ebd \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi n\u01a1i \u0111\u1ed5 theo ch\u1ec9 \u0111\u1ecbnh c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

          – V\u1eadt li\u1ec7u \u0111\u1ed5 \u0111i n\u1ebfu \u0111\u01b0\u1ee3c s\u1ef1 cho ph\u00e9p b\u1eb1ng v\u0103n b\u1ea3n c\u1ee7a K\u1ef9 s\u01b0 t\u01b0 v\u1ea5n v\u00e0 kh\u00f4ng \u0111\u1ed5 g\u1ea7n v\u1ecb tr\u00ed c\u1ed1ng ho\u1eb7c tr\u00e0n \u1edf ph\u00eda th\u01b0\u1ee3ng l\u01b0u.<\/p>\n

          – Khi g\u1ea7n t\u1edbi cao \u0111\u1ed9 thi\u1ebft k\u1ebf th\u00ec d\u1eebng l\u1ea1i \u0111\u1ec3 tr\u1eeb m\u1ed9t \u0111\u1ed9 cao ph\u00f2ng l\u00fan do t\u00e1c d\u1ee5ng qua l\u1ea1i c\u1ee7a xe m\u00e1y trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

          – N\u1ebfu \u0111\u00e0o qu\u00e1 cao \u0111\u1ed9 thi\u1ebft k\u1ebf ch\u00fang t\u00f4i s\u1ebd \u0111\u1eafp b\u00f9 b\u1eb1ng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn, \u0111\u1ea7m \u0111\u1ebfn \u0111\u1ed9 ch\u1eb7t quy \u0111\u1ecbnh trong \u0111\u1ed3 \u00e1n ho\u1eb7c ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt b\u1eb1ng kinh ph\u00ed c\u1ee7a Nh\u00e0 th\u1ea7u.<\/p>\n

          – Sau khi \u0111\u00e0o \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf, \u0111\u01a1n v\u1ecb thi c\u00f4ng s\u1ebd ti\u1ebfn h\u00e0nh l\u1ea5y m\u1eabu \u0111\u1ea5t th\u00ed nghi\u1ec7m ch\u1ec9 ti\u00eau c\u01a1, l\u00fd c\u1ee7a \u0111\u1ea5t n\u1ec1n xem lo\u1ea1i \u0111\u1ea5t \u0111\u00f3 c\u00f3 \u0111\u1ee7 ti\u00eau chu\u1ea9n d\u00f9ng cho l\u1edbp m\u1eb7t n\u1ec1n hay kh\u00f4ng, n\u1ebfu kh\u00f4ng \u0111\u1ea1t \u0111\u01a1n v\u1ecb thi c\u00f4ng \u0111\u1ec1 ngh\u1ecb \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 cho \u0111\u00e0o b\u1ecf v\u00e0 thay b\u1eb1ng lo\u1ea1i \u0111\u1ea5t c\u00f3 ch\u1ec9 ti\u00eau \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, n\u1ebfu \u0111\u1ea3m b\u1ea3o s\u1ebd ti\u1ebfn h\u00e0nh c\u00e0y x\u1edbi lu n\u00e8n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eb7t v\u00e0 \u0111\u01b0\u1ee3c v\u1ec7 sinh s\u1ea1ch s\u1ebd tr\u01b0\u1edbc khi thi c\u00f4ng m\u00f3ng \u0111\u01b0\u1eddng.<\/p>\n

          – M\u00e1i taluy sau khi \u0111\u00e0o \u0111\u01b0\u1ee3c g\u1ecdt ph\u1eb3ng \u0111\u1ea3m b\u1ea3o theo \u0111\u1ed9 d\u1ed1c ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i \u0111\u1ecba ch\u1ea5t kh\u00e1c nhau kh\u00f4ng \u0111\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng tr\u01b0\u1ee3t, s\u1ee5t \u0111\u1ed9t ng\u1ed9t.<\/p>\n

          – Nh\u1eefng v\u1eadt li\u1ec7u kh\u00f4ng ph\u00f9 h\u1ee3p s\u1ebd \u0111\u01b0\u1ee3c b\u1ecf \u0111i khi \u0111\u01b0\u1ee3c ph\u00e9p b\u1eb1ng v\u0103n b\u1ea3n c\u1ee7a K\u1ef9 s\u01b0 t\u01b0 v\u1ea5n. Nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i c\u00f3 tr\u00e1ch nhi\u1ec7m \u0111\u1ed5 sao cho b\u1ea3o \u0111\u1ea3m m\u1ef9 quan v\u00e0 kh\u00f4ng l\u00e0m h\u01b0 h\u1ea1i c\u00e2y c\u1ed1i, c\u00f4ng tr\u00ecnh v\u00e0 c\u00e1c t\u00e0i s\u1ea3n kh\u00e1c l\u00e2n c\u1eadn.<\/p>\n

          – Nh\u1eefng \u0111\u1ed1ng \u0111\u1ea5t d\u1ef1 tr\u1eef ph\u1ea3i \u0111\u01b0\u1ee3c vun g\u1ecdn, \u0111\u00e1nh \u0111\u1ed1ng s\u1ea1ch theo c\u00e1ch th\u1ee9c ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c, \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn d\u00e2y chuy\u1ec1n thi c\u00f4ng.<\/p>\n

          –\u00a0 N\u1ebfu v\u1eadt li\u1ec7u do nh\u00e0 th\u1ea7u \u0111\u1ed5 kh\u00f4ng \u0111\u00fang quy \u0111\u1ecbnh v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c s\u1ef1 cho ph\u00e9p c\u1ee7a k\u1ef9 s\u01b0 t\u01b0 v\u1ea5n th\u00ec ch\u00fang t\u00f4i s\u1ebd b\u1ed1 tr\u00ed \u0111\u1ed5 l\u1ea1i cho \u0111\u00fang b\u1eb1ng kinh ph\u00ed c\u1ee7a m\u00ecnh.<\/p>\n

          – Trong qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng n\u1ec1n \u0111\u01b0\u1eddng, khu\u00f4n \u0111\u01b0\u1eddng lu\u00f4n lu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef \u1edf \u0111i\u1ec1u ki\u1ec7n kh\u00f4 r\u00e1o, d\u1ec5 tho\u00e1t n\u01b0\u1edbc, ch\u1ed7 r\u00e3nh bi\u00ean \u0111\u1ed5 t\u1eeb n\u1ec1n \u0111\u00e0o v\u00e0o n\u1ec1n \u0111\u1eafp ph\u1ea3i thi c\u00f4ng c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh l\u00e0m h\u01b0 h\u1ea1i n\u1ec1n \u0111\u1eafp do x\u00f3i m\u00f2n.<\/p>\n

          – \u0110\u1ec3 cho n\u1ec1n \u0111\u1eafp, c\u00e1c l\u1edbp m\u00f3ng kh\u00f4ng b\u1ecb \u1ea9m \u01b0\u1edbt, trong qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u00e0 sau khi thi c\u00f4ng. Nh\u00e0 th\u1ea7u ph\u1ea3i lu\u00f4n lu\u00f4n t\u1ea1o nh\u1eefng m\u01b0\u01a1ng tho\u00e1t n\u01b0\u1edbc ho\u1eb7c r\u00e3nh th\u00edch h\u1ee3p sao cho n\u01b0\u1edbc d\u1ec5 d\u00e0ng tho\u00e1t ra kh\u1ecfi khu v\u1ef1c thi c\u00f4ng.<\/p>\n

          – Nh\u1eefng h\u01b0 h\u1ea1i \u0111\u1ebfn n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00e3 c\u00f3 ho\u1eb7c \u0111ang thi c\u00f4ng m\u00e0 do vi\u1ec7c kh\u00f4ng ch\u00fa tr\u1ecdng \u0111\u1ebfn vi\u1ec7c tho\u00e1t n\u01b0\u1edbc g\u00e2y ra ch\u00fang t\u00f4i s\u1ebd c\u00f3 bi\u1ec7n ph\u00e1p t\u00edch c\u1ef1c trong vi\u1ec7c s\u1eeda sang l\u1ea1i ngay b\u1eb1ng kinh ph\u00ed c\u1ee7a m\u00ecnh.<\/p>\n

          – C\u00f4ng vi\u1ec7c \u0111\u00e0o ph\u1ea3i ti\u1ebfn h\u00e0nh theo ti\u1ebfn \u0111\u1ed9 v\u00e0 tr\u00ecnh t\u1ef1 thi c\u00f4ng c\u00f3 s\u1ef1 ph\u1ed1i h\u1ee3p c\u00e1c giai \u0111o\u1ea1n thi c\u00f4ng kh\u00e1c \u0111\u1ec3 t\u1ea1o thu\u1eadn l\u1ee3i t\u1ed1i \u0111a cho c\u00f4ng t\u00e1c \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 vi\u1ec7c tho\u00e1t n\u01b0\u1edbc trong m\u1ecdi n\u01a1i, m\u1ecdi l\u00fac.<\/p>\n

          – C\u00f4ng vi\u1ec7c \u0111\u00e0o s\u1ebd b\u1ecb \u0111\u00ecnh ch\u1ec9 khi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft kh\u00f4ng cho ph\u00e9p r\u1ea3i v\u00e0 \u0111\u1ea7m \u0111\u1ea5t \u0111\u00f3 tr\u00ean n\u1ec1n \u0111\u1eafp ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ch\u1ec9 ti\u00eau quy \u0111\u1ecbnh trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t.<\/p>\n

          – Cao \u0111\u1ed9 n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i \u0111\u01b0\u1ee3c thi c\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng y\u00eau c\u1ea7u quy tr\u00ecnh thi c\u00f4ng v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt \u0111\u00e3 ch\u1ec9 ra trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t d\u01b0\u1edbi s\u1ef1 ch\u1ec9 d\u1eabn c\u1ee7a K\u1ef9 s\u01b0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

          – Nh\u00e0 th\u1ea7u \u0111\u00e3 t\u00ednh \u0111\u1ebfn vi\u1ec7c t\u00e1c \u0111\u1ed9ng c\u1ee7a qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 nghi\u00ean c\u1ee9u k\u1ef9 v\u1ea5n \u0111\u1ec1 n\u00e0y. Trong m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh, qu\u00e1 tr\u00ecnh thi c\u00f4ng s\u1ebd kh\u00f4ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i v\u00e0 m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4.2. Thi c\u00f4ng \u0111\u00e0o ph\u00e1 \u0111\u00e1<\/em><\/strong><\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. M\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c<\/em><\/strong><\/p>\n

          + Kh\u1ed1i l\u01b0\u1ee3ng ph\u00e1 \u0111\u00e1 l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn (kho\u1ea3ng 16.000 m3) v\u00e0 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi b\u01b0\u1edbc v\u00e0o thi c\u00f4ng.<\/p>\n

          + Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t \u0111o \u0111\u1ea1c tr\u01b0\u1edbc thi c\u00f4ng \u0111\u1ec3 c\u00f3 s\u1ed1 li\u1ec7u nh\u1eb1m s\u1eed d\u1ee5ng v\u00e0o vi\u1ec7c l\u1eadp h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf BVTC v\u00e0 t\u1ed5 ch\u1ee9c x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh c\u0169ng nh\u01b0 \u0111\u1ec3 c\u00f3 c\u01a1 s\u1edf cho vi\u1ec7c t\u00ednh to\u00e1n kh\u1ed1i l\u01b0\u1ee3ng th\u1ef1c t\u1ebf.<\/p>\n

          + Y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c l\u00e0 ph\u1ea3i ph\u00e1 d\u1ee1 \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e1 c\u1ea7n thi\u1ebft ph\u1ee5c v\u1ee5 cho thi c\u00f4ng.<\/p>\n

          + Khu v\u1ef1c n\u00e0y thu\u1ed9c khu v\u1ef1c \u0111\u1ed3i n\u00fai, \u0111\u01b0\u1eddng thi c\u00f4ng n\u00ean trong qu\u00e1 tr\u00ecnh thi c\u00f4ng kh\u00f4ng ch\u00fa tr\u1ecdng nhi\u1ec1u \u0111\u1ebfn \u0111\u1ea3m b\u1ea3o giao th\u00f4ng, tuy nhi\u00ean \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c \u0111\u00e0o ph\u00e1 \u0111\u00e1 ph\u1ea3i nghi\u00ean c\u1ee9u \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 an to\u00e0n cho ng\u01b0\u1eddi v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n c\u1ee7a t\u1ed5 \u0111\u1ed9i kh\u00e1c l\u01b0u th\u00f4ng qua trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b<\/em><\/strong>. Ph\u01b0\u01a1ng ph\u00e1p ph\u00e1 \u0111\u00e1<\/strong><\/em><\/p>\n

          Tr\u00ecnh t\u1ef1 c\u00f4ng t\u00e1c ph\u00e1 \u0111\u00e1 n\u1ec1n \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh nh\u01b0 sau:<\/p>\n

          – Chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng.<\/p>\n

          – \u0110\u1ecbnh v\u1ecb l\u1ed7 khoan.<\/p>\n

          – X\u00e1c \u0111\u1ecbnh chi\u1ec1u s\u00e2u l\u1ed7 khoan.<\/p>\n

          – Khoan t\u1ea1o l\u1ed7 b\u1eb1ng m\u00e1y khoan D42mm (ho\u1eb7c D76mm).<\/p>\n

          – Th\u00f4ng l\u1ed7, th\u1ed5i r\u1eeda, nghi\u1ec7m thu l\u1ed7 khoan.<\/p>\n

          – N\u1ea1p m\u00ecn theo h\u1ed9 chi\u1ebfu.<\/p>\n

          – C\u1ea3nh gi\u1edbi, n\u1ed5 m\u00ecn, ki\u1ec3m tra b\u00e3i n\u1ed5.<\/p>\n

          – X\u1eed l\u00fd c\u00e1c l\u1ed7 m\u00ecn c\u00e2m (n\u1ebfu c\u00f3) tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh b\u1ed1c x\u00fac<\/p>\n

          – V\u1eadn chuy\u1ec3n, x\u1eed l\u00fd \u0111\u00e1 qu\u00e1 c\u1ee1 theo y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n

          Y\u00eau c\u1ea7u ph\u00e1 \u0111\u00e1 kh\u00f4ng l\u00e0m b\u1eafn tung ra ngo\u00e0i v\u00e0 t\u1ea1o \u0111\u01b0\u1ee3c \u0111\u00fang m\u1eb7t c\u1eaft \u0111\u01b0\u1eddng theo thi\u1ebft k\u1ebf, n\u00ean ta ch\u1ecdn n\u1ed5 m\u00ecn theo ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 om c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 f42 ho\u1eb7c f76. B\u1edfi v\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y sau khi n\u1ed5 \u0111\u1ea5t \u0111\u00e1 ch\u1ec9 b\u1ecb n\u1ee9t n\u1ebb, v\u1ee1 th\u00e0nh h\u00f2n n\u1eb1m t\u1ea1i ch\u1ed7 v\u00e0 m\u1eb7t \u0111\u1ea5t b\u1ecb v\u1ed3ng l\u00ean.<\/p>\n

          + Thi c\u00f4ng ph\u00e1 \u0111\u00e1 n\u1ec1n \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh.<\/p>\n

          + D\u00f9ng m\u00e1y khoan t\u1ea1o c\u00e1c l\u1ed7 nh\u1ecf c\u00f3 \u0111\u01b0\u1eddng k\u00ednh kho\u1ea3ng 42mm s\u00e2u 2 – 3m. Khoan theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng \u0111\u1ec3 ph\u00e1 t\u1ea1o th\u00e0nh b\u1eadc c\u1ea5p. T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed ti\u1ebfp gi\u00e1p ph\u00eda ngo\u00e0i c\u1ee7a khu\u00f4n \u0111\u01b0\u1eddng \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 d\u1ed1c ta luy ta d\u00f9ng nh\u1eefng l\u1ed7 khoan xi\u00ean .<\/p>\n

          + S\u01a1 \u0111\u1ed3 b\u1ed1 tr\u00ed l\u1ed7 khoan \u0111\u1eb7t thu\u1ed1c v\u00e0 t\u00ednh to\u00e1n l\u01b0\u1ee3ng thu\u1ed1c n\u1ed5 theo h\u00ecnh th\u1ee9c n\u1ed5 om.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 c. Ti\u1ebfn h\u00e0nh thi c\u00f4ng<\/em><\/strong>.<\/em><\/p>\n

          + D\u1ecdn d\u1eb9p m\u1eb7t b\u1eb1ng, d\u00f9ng th\u1ee7 c\u00f4ng k\u1ebft h\u1ee3p c\u01b0a m\u00e1y h\u1ea1 nh\u1eefng c\u00e2y trong ph\u1ea1m vi thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh thi c\u00f4ng kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n. C\u1ea5m ng\u01b0\u1eddi kh\u00f4ng c\u00f3 nhi\u1ec7m v\u1ee5 v\u00e0o khu v\u1ef1c n\u1ed5 ph\u00e1 v\u00e0 t\u1ea1m th\u1eddi gi\u00e1n \u0111o\u1ea1n giao th\u00f4ng qua trong th\u1eddi gian ng\u1eafn \u0111\u1ec3 n\u1ed5 ph\u00e1 \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i.<\/p>\n

          + X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ea7n n\u1ed5 ph\u00e1, ti\u1ebfn h\u00e0nh d\u00f9ng khoan t\u1ea1o l\u1ed7 c\u00f3 k\u00edch th\u01b0\u1edbc theo b\u1ea3n v\u1ebd thi c\u00f4ng. B\u1ed1 tr\u00ed theo s\u01a1 \u0111\u1ed3 h\u00ecnh hoa mai. C\u1ef1 ly gi\u1eefa c\u00e1c l\u1ed7 tr\u00ean di\u1ec7n thi c\u00f4ng v\u00e0o kho\u1ea3ng (1,0 – 1,5)W v\u00e0 c\u1ef1 ly gi\u1eefa c\u00e1c h\u00e0ng l\u1ed7 b = 0,85W trong \u0111\u00f3 W: \u0111\u01b0\u1eddng kh\u00e1ng b\u00e9 nh\u1ea5t. Hai h\u00e0ng l\u1ed7 hai b\u00ean taluy c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed sao cho ph\u1ec5u n\u1ed5 d\u1ef1 ki\u1ebfn s\u00e1t m\u00e9p v\u00e0 th\u00e0nh taluy.<\/p>\n

          + Chi\u1ec1u cao m\u1ed7i b\u1eadc c\u1ea5p H = 1-3m, v\u1edbi \u0111\u00e1 c\u1ea5p IV chi\u1ec1u d\u00e0i l\u1ed7 khoan v\u00e0o kho\u1ea3ng 1,1-1,15H \u0111\u1ec3 m\u1eb7t t\u1ea7ng c\u1ea5p sau khi n\u1ed5 c\u00f3 th\u1ec3 b\u1eb1ng ph\u1eb3ng. B\u1ed1 tr\u00ed h\u00e0ng l\u1ed7 ngo\u00e0i c\u00f9ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o sao cho \u0111\u01b0\u1eddng kh\u00e1ng b\u00e9 nh\u1ea5t W< H th\u01b0\u1eddng W = (0,4 – 1,0)H. T\u1ea1i nh\u1eefng n\u01a1i \u0111\u1ecba h\u00ecnh d\u1ed1c, tr\u1eafc ngang ch\u1eef L \u0111\u1ec3 ti\u1ebft ki\u1ec7m thu\u1ed1c n\u1ed5 v\u00e0 l\u1ee3i d\u1ee5ng tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n c\u1ee7a \u0111\u00e1 khi r\u01a1i ta c\u00f3 th\u1ec3 khoan l\u1ed7 theo ph\u01b0\u01a1ng ngang. \u0110\u1ec3 t\u1ea1o th\u00e0nh m\u00e1i taluy ta c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed l\u1ed7 xi\u00ean.<\/p>\n

          + Sau khi n\u1ed5 huy \u0111\u1ed9ng \u00f4t\u00f4 v\u00e0 m\u00e1y x\u00fac v\u1eadn chuy\u1ec3n \u0111\u00e1 ra kh\u1ecfi m\u1eb7t b\u1eb1ng thi c\u00f4ng t\u1ea1o m\u1eb7t tho\u00e1ng ti\u1ebfp theo cho chu k\u1ef3 n\u1ed5 sau \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

          + Ho\u00e0n thi\u1ec7n t\u1ea1o \u0111\u00fang h\u00ecnh d\u00e1ng, k\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf.<\/p>\n

          Sau khi ph\u00e1 n\u1ed5 ta d\u00f9ng th\u1ee7 c\u00f4ng ho\u1eb7c m\u00e1y khoan \u0111\u1eadp t\u1ea1o k\u00edch th\u01b0\u1edbc theo thi\u1ebft k\u1ebf.<\/p>\n

          \u0110\u1ed1i v\u1edbi \u0111\u00e1 c\u1ea5p 4 \u0111\u00e0o b\u1eb1ng m\u00e1y \u0111\u00e0o th\u00ec c\u00e1c c\u00f4ng vi\u1ec7c chu\u1ea9n b\u1ecb \u0111\u00e0o b\u1eb1ng m\u00e1y x\u00fac l\u00ean \u00f4t\u00f4 v\u1eadn chuy\u1ec3n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00f4ng t\u00e1c \u0111\u00e0o n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea5t c\u1ea5p 3.<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Bi\u1ec7n ph\u00e1p an to\u00e0n khi n\u1ed5 ph\u00e1:<\/em><\/strong><\/p>\n

          + Vi\u1ec7c n\u1ed5 m\u00ecn ph\u1ea3i tu\u00e2n theo quy ph\u1ea1m v\u1ec1 an to\u00e0n v\u1ec1 c\u00f4ng t\u00e1c n\u1ed5 m\u00ecn c\u1ee7a Nh\u00e0 n\u01b0\u1edbc ban h\u00e0nh.<\/p>\n

          + Ch\u1ec9 cho ph\u00e9p ti\u1ebfn h\u00e0nh n\u1ed5 m\u00ecn khi \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00e1c c\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb an to\u00e0n v\u00e0 c\u00f3 gi\u1ea5y ph\u00e9p n\u1ed5 m\u00ecn c\u1ee7a c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n, trong \u0111\u00f3 bao g\u1ed3m\u00a0:<\/p>\n

          – T\u1ed5 ch\u1ee9c b\u1ea3o qu\u1ea3n v\u00e0 cung c\u1ea5p thu\u1ed1c n\u1ed5 an to\u00e0n.<\/p>\n

          – B\u1ea3o \u0111\u1ea3m an to\u00e0n nh\u00e0 \u1edf, c\u00f4ng tr\u00ecnh thi\u1ebft b\u1ecb,… n\u1eb1m trong khu v\u1ef1c nguy hi\u1ec3m.<\/p>\n

          – T\u1ed5 ch\u1ee9c b\u1ea3o v\u1ec7 khu v\u1ef1c nguy hi\u1ec3m, c\u00f3 t\u00edn hi\u1ec7u, bi\u1ec3n b\u00e1o hi\u1ec7u, c\u00f3 tr\u1ea1m theo d\u00f5i, ch\u1ec9 huy trong gi\u1edbi h\u1ea1n bi\u00ean c\u1ee7a v\u00f9ng n\u1ed5.<\/p>\n

          – B\u00e1o tr\u01b0\u1edbc cho c\u01a1\u00a0 quan \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 nh\u00e2n d\u00e2n tr\u01b0\u1edbc khi n\u1ed5 v\u00e0 gi\u1ea3i th\u00edch c\u00e1c t\u00edn hi\u1ec7u.<\/p>\n

          – Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh n\u1ed5 ph\u00e1 ph\u1ea3i ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu t\u1eebng l\u1ed7 m\u00ecn, m\u00e0ng l\u01b0\u1edbi n\u1ed5,… theo \u0111\u00fang nh\u1eefng quy \u0111\u1ecbnh v\u1ec1 ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu c\u00f4ng t\u00e1c khoan, n\u1ed5 m\u00ecn.<\/p>\n

            \n
          • – Vi\u1ec7c khoan n\u1ed5 m\u00ecn nh\u00e0 th\u1ea7u ph\u1ea3i t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 cho t\u1eebng v\u1ecb tr\u00ed v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t c\u00f4ng tr\u00ecnh, m\u1eb7t b\u1eb1ng thi c\u00f4ng , k\u00edch th\u01b0\u1edbc h\u00ecnh d\u1ea1ng c\u00f4ng tr\u00ecnh, m\u1eb7t b\u1eb1ng thi c\u00f4ng, k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a h\u1ed1 m\u00f3ng c\u00f4gn tr\u00ecnh, m\u00e0 \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng m\u00ecn s\u1eed d\u1ee5ng trong m\u1ed9t l\u1ea7n n\u1ed5. S\u1ed1 l\u01b0\u1ee3ng l\u1ed7 khoan ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u00ean c\u01a1 s\u1edf t\u00ednh to\u00e1n kinh t\u1ebf k\u1ef9 thu\u1eadt. Tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t nh\u00e0 th\u1ea7u ph\u1ea3i n\u1ed5 m\u00ecn l\u1ed7 n\u00f4ng v\u1edbi l\u1ed7 khoan nh\u1ecf nh\u01b0ng ph\u1ea3i l\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed v\u00e0 t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 cho t\u1eebng tr\u01b0\u1eddng h\u1ee3p.<\/li>\n<\/ul>\n

            + Khi thi c\u00f4ng n\u1ed5 m\u00ecn ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thu\u1ed1c n\u1ed5 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n n\u1ed5 \u0111\u00e3 \u0111\u01b0\u1ee3c Nh\u00e0 n\u01b0\u1edbc cho ph\u00e9p s\u1eed d\u1ee5ng v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p thu\u1eadn. N\u1ebfu d\u00f9ng c\u00e1c lo\u1ea1i thu\u1ed1c n\u1ed5 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n n\u1ed5 kh\u00e1c v\u1edbi quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 n\u01b0\u1edbc th\u00ec ph\u1ea3i c\u00f3 gi\u1ea5y ph\u00e9p c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd c\u00f3 th\u1ea9m\u00a0 quy\u1ec1n v\u00e0 ph\u1ea3i c\u00f3 quy tr\u00ecnh s\u1eed d\u1ee5ng, b\u1ea3o qu\u1ea3n v\u1eadn chuy\u1ec3n ri\u00eang bi\u1ec7t.<\/p>\n

            + C\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a thu\u1ed1c n\u1ed5 v\u00e0 c\u00e1ch b\u1ed1 tr\u00ed ch\u00fang \u0111\u1eab \u0111\u01b0\u1ee3c n\u00eau ra trong thi\u1ebft k\u1ebf thi c\u00f4ng nh\u01b0ng ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh ch\u00ednh x\u00e1c l\u1ea1i sau c\u00e1c l\u1ea7n n\u1ed5 th\u00ed nghi\u1ec7m ho\u1eb7c sau l\u1ea7n n\u1ed5 \u0111\u1ea7u ti\u00ean.<\/p>\n

            + Thu\u1ed1c n\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng c\u00f3 \u0111\u1ed9 an to\u00e0n cao.<\/p>\n

            + B\u00e1n k\u00ednh c\u1ee7a v\u00f9ng nguy hi\u1ec3m ph\u1ea3i t\u00ednh to\u00e1n theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi quy ph\u1ea1m an to\u00e0n v\u00e0 b\u1ea3o qu\u1ea3n, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u1ed5.<\/p>\n

            + C\u00f4ng ngh\u1ec7 khoan n\u1ed5 m\u00ecn \u0111\u01b0\u1ee3c S\u1edf Lao \u0111\u1ed9ng th\u01b0\u01a1ng binh x\u00e3 h\u1ed9i c\u1ea5p th\u1ebb.<\/p>\n

            + Ph\u1ea3i c\u00f3 ng\u01b0\u1eddi chuy\u00ean tr\u00e1ch ch\u1ec9 \u0111\u1ea1o thi c\u00f4ng n\u1ed5 trong b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o. Th\u1ee3 m\u00ecn ph\u1ea3i chuy\u00ean m\u00f4n ho\u00e1 v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111\u00e0o t\u1ea1o tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

            + Tr\u01b0\u1edbc khi thi c\u00f4ng n\u1ed5 m\u00ecn Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh l\u00e0m m\u1ed9t s\u1ed1 th\u1ee7 t\u1ee5c c\u1ea7n thi\u1ebft nh\u01b0: L\u1eadp c\u00e1c bi\u1ec3n b\u00e1o gi\u1edd n\u1ed5 m\u00ecn v\u00e0 c\u00e1c hi\u1ec7u l\u1ec7nh n\u1ed5 m\u00ecn.v.v.. t\u1ea1i c\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng c\u1ee7a ng\u01b0\u1eddi ch\u1ec9 huy c\u00f4ng t\u00e1c n\u1ed5 ph\u00e1.<\/p>\n

            \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * C\u00e1c<\/em><\/strong> quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n khi thi c\u00f4ng n\u1ed5 ph\u00e1:<\/em><\/strong><\/p>\n

            – Xin gi\u1ea5y ph\u00e9p n\u1ed5 ph\u00e1\u00a0;<\/p>\n

            – Ph\u1ea3i c\u00f3 chi ti\u1ebft v\u1ec1 thi c\u00f4ng n\u1ed5 ph\u00e1: Quy tr\u00ecnh k\u1ef9 thu\u1eadt th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc (Khoan, nh\u1ed3i thu\u1ed1c, \u0111\u1eb7t k\u00edp, d\u00e2y ch\u00e1y ch\u1eadm, d\u00e2y \u0111i\u1ec7n, ch\u1ed7 ti\u1ebfp n\u1ed1i,…). Ph\u1ea3i c\u00f3 ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch chung v\u00e0 c\u00f3 th\u1ee3 m\u00ecn chuy\u00ean m\u00f4n ho\u00e1\u00a0;<\/p>\n

            – L\u1eadp s\u1ed5 nh\u1eadt k\u00fd thi c\u00f4ng ghi r\u00f5 m\u1ecdi ti\u1ebfn tr\u00ecnh xu\u1ea5t nh\u1eadp thu\u1ed1c n\u1ed5 v\u00e0 k\u00edp. Quy \u0111\u1ecbnh v\u1ecb tr\u00ed t\u1eadp k\u1ebft thu\u1ed1c n\u1ed5 t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng. Khi v\u1eadn chuy\u1ec3n kh\u00f4ng \u0111\u01b0\u1ee3c g\u00e2y va ch\u1ea1m, kh\u00f4ng h\u00fat thu\u1ed1c l\u00e1.<\/p>\n

            – Nghi\u00ean c\u1ee9u hi\u1ec7n tr\u01b0\u1eddng, d\u00e2n sinh, m\u00f4i sinh. K\u1ebft h\u1ee3p ch\u1eb7t ch\u1ebd v\u1edbi ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng\u00a0;<\/p>\n

            – X\u00e1c \u0111\u1ecbnh ph\u1ea1m vi c\u1ea3nh gi\u1edbi, ng\u01b0\u1eddi c\u1ea3nh gi\u1edbi, n\u01a1i tr\u00fa \u1ea9n khi m\u00ecn n\u1ed5. Quy \u0111\u1ecbnh v\u00e0 th\u00f4ng b\u00e1o gi\u1edd n\u1ed5 m\u00ecn;<\/p>\n

            – Ng\u01b0\u1eddi ch\u1ec9 huy ph\u1ea3i t\u1ef1 m\u00ecnh ho\u1eb7c ph\u00e2n c\u00f4ng ng\u01b0\u1eddi theo d\u00f5i s\u1ed1 ti\u1ebfng n\u1ed5 \u0111\u1ec3 bi\u1ebft m\u00ecn \u0111\u00e3 n\u1ed5 h\u1ebft ch\u01b0a;<\/p>\n

            – Tr\u01b0\u1eddng h\u1ee3p c\u00f3 m\u00ecn c\u00e2m ph\u1ea3i b\u00e1o hi\u1ec7u, ti\u1ebfp t\u1ee5c c\u1ea3nh gi\u1edbi v\u00e0 x\u1eed l\u00fd m\u00ecn c\u00e2m theo \u0111\u00fang quy \u0111\u1ecbnh, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u00e0o v\u00e0o l\u01b0\u1ee3ng thu\u1ed1c ch\u01b0a n\u1ed5;<\/p>\n

            \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * B\u1ea3o qu\u1ea3n thu\u1ed1c n\u1ed5:<\/em><\/strong><\/p>\n

            Thu\u1ed1c n\u1ed5, k\u00edp n\u1ed5 \u0111\u01b0\u1ee3c c\u1ea5t \u1edf kho ri\u00eang, c\u00e1c kho t\u1ed1i thi\u1ec3u \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch nh\u01b0 sau\u00a0:<\/p>\n

            R = K . <\/p>\n

            Trong \u0111\u00f3\u00a0: \u00a0\u00a0\u00a0 R \u2013 C\u1ef1 ly an to\u00e0n t\u1ed1i thi\u1ec3u (m).<\/p>\n

            Q \u2013 Tr\u1ecdng l\u01b0\u1ee3ng thu\u1ed1c n\u1ed5 trong kho (kg).<\/p>\n

            K \u2013 H\u1ec7 s\u1ed1 gi\u1eefa hai lo\u1ea1i thu\u1ed1c n\u1ed5 \u0111\u1eb7t trong kho, l\u1ea5y b\u1eb1ng 0,5.<\/p>\n

            Kho\u1ea3ng c\u00e1nh gi\u1eefa kho thu\u1ed1c n\u1ed5 v\u00e0 k\u00edp t\u00ednh nh\u01b0 sau\u00a0:<\/p>\n

            L = 0,06.K. <\/p>\n

            Trong \u0111\u00f3\u00a0: \u00a0\u00a0\u00a0 L \u2013 C\u1ef1 ly an to\u00e0n t\u1ed1i thi\u1ec3u (m).<\/p>\n

            Mk \u2013 Tr\u1ecdng l\u01b0\u1ee3ng thu\u1ed1c trong kho (kg)<\/p>\n

            Kho \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u1edf n\u01a1i kh\u00f4 r\u00e1o, xa d\u00e2n c\u01b0, m\u00e1i che kh\u00f4ng d\u1ed9t, c\u00e1ch xa kho x\u0103ng d\u1ea7u theo kho\u1ea3ng c\u00e1ch lan truy\u1ec1n, kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng d\u00e2y cao th\u1ebf v\u1eaft ngang qua. Kho x\u00e2y n\u1ed5i ho\u1eb7c n\u1eeda ch\u00ecm n\u1eeda n\u1ed5i.<\/p>\n

            Kho thu\u1ed1c ph\u1ea3i c\u00e1ch c\u00e1c ch\u1ea5t ho\u00e1 h\u1ecdc theo theo kho\u1ea3ng c\u00e1ch quy \u0111\u1ecbnh. V\u00e0 c\u00f3 ng\u01b0\u1eddi g\u00e1c.<\/p>\n

            \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Quy t\u1eafc v\u1eadn chuy\u1ec3n:<\/em><\/strong><\/p>\n

            Thu\u1ed1c n\u1ed5 ho\u00e1 c\u1ee5 ph\u1ea3i v\u1eadn chuy\u1ec3n ri\u00eang;<\/p>\n

            K\u00edp ph\u1ea3i b\u1ecf trong h\u1ed9p k\u00edn c\u00f3 ch\u00e8n kh\u00f4ng b\u1ecb x\u00f3c. T\u1ed1c \u0111\u1ed9 \u00f4t\u00f4 ch\u1ea1y kh\u00f4ng qu\u00e1 20km\/h.C\u1ef1 ly c\u00e1c xe c\u00e1ch nhau 50m. Ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb ph\u00f2ng ho\u1ea3.<\/p>\n

            Xe thu\u1ed1c n\u1ed5 ph\u1ea3i d\u1eebng ngh\u1ec9 c\u00e1ch c\u1ea7u, th\u00e0nh ph\u1ed1 500m;<\/p>\n

            \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Quy t\u1eafc s\u1eed d\u1ee5ng chung\u00a0:<\/em><\/strong><\/p>\n

            Ph\u1ea3i bi\u1ebft t\u00ednh n\u0103ng thu\u1ed1c n\u1ed5 ho\u1ea3 c\u1ee5 v\u00e0 th\u00e0nh th\u1ea1o m\u1ecdi \u0111\u1ed9ng t\u00e1c n\u1ed1i, l\u1eafp ho\u1ea3 c\u1ee5 g\u00f3i bu\u1ed9c l\u01b0\u1ee3ng thu\u1ed1c n\u1ed5;<\/p>\n

            C\u00e1c b\u1ed9 ph\u1eadn g\u00f3i thu\u1ed1c n\u1ed5 v\u00e0 l\u00e0m ho\u1ea3 c\u1ee5 ph\u1ea3i c\u00e1ch xa nhau. C\u1ea5m h\u00fat thu\u1ed1c \u0111\u1ed1t l\u1eeda g\u1ea7n khu v\u1ef1c l\u00e0m vi\u1ec7c;<\/p>\n

            C\u00f3 ng\u01b0\u1eddi kh\u00e1c b\u1ea3o v\u1ec7 khu l\u00e0m vi\u1ec7c. Kh\u00f4ng cho ng\u01b0\u1eddi kh\u00f4ng nhi\u1ec7m v\u1ee5 v\u00e0o khu v\u1ef1c l\u00e0m vi\u1ec7c;<\/p>\n

            V\u1edbi thu\u1ed1c n\u1ed5 qu\u00e1 h\u1ea1n s\u1eed d\u1ee5ng, ph\u1ea3i l\u1eadp bi\u00ean b\u1ea3n x\u00e1c minh, t\u1ed5 ch\u1ee9c ph\u00e1 hu\u1ef7.<\/p>\n

            \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * L\u01b0u \u00fd<\/u><\/em><\/strong>:<\/em><\/strong> Khi ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u n\u1ed5 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c h\u00fat thu\u1ed1c l\u00e1, kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m ph\u00e1t sinh ra tia l\u1eeda trong v\u00f2ng c\u00e1ch v\u1eadt li\u1ec7u n\u1ed5 100m. \u0110\u1eb7c bi\u1ec7t ch\u00fa tr\u1ecdng \u0111\u1ebfn c\u00f4ng t\u00e1c an to\u00e0n: b\u1ea3o qu\u1ea3n thu\u1ed1c n\u1ed5, c\u00f3 \u0111\u1ea7y \u0111\u1ee7 bi\u1ec3n b\u00e1o c\u1ea7n thi\u1ebft, tr\u1ea1m theo d\u00f5i. Ph\u1ea3i theo d\u00f5i s\u1ed1 ti\u1ebfng n\u1ed5 \u0111\u1ec3 bi\u1ebft m\u00ecn \u0111\u00e3 n\u1ed5 h\u1ebft ch\u01b0a. N\u1ebfu ch\u1eafc ch\u1eafn m\u00ecn \u0111\u00e3 n\u1ed5 h\u1ebft c\u0169ng ph\u1ea3i \u0111\u1ee3i 5 ph\u00fat m\u1edbi \u0111\u01b0\u1ee3c ra. N\u1ebfu n\u1eafm kh\u00f4ng ch\u1eafc ho\u1eb7c n\u1ebfu bi\u1ebft c\u00f3 m\u00ecn c\u00e2m th\u00ec ph\u1ea3i x\u1eed l\u00fd h\u1ebft s\u1ee9c \u00edt ng\u01b0\u1eddi v\u00e0 ti\u1ebfn h\u00e0nh d\u01b0\u1edbi s\u1ef1 h\u01b0\u1edbng d\u1eabn c\u1ee7a ng\u01b0\u1eddi c\u00f3 tr\u00e1ch nhi\u1ec7m. Trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p c\u1ea5m d\u00f9ng tay hay l\u00e0 b\u1ea5t c\u1ee9 v\u1eadt g\u00ec \u0111\u1ec3 moi ho\u1eb7c r\u00fat d\u00e2y l\u1ea5y k\u00edp.<\/p>\n

            Tr\u01b0\u1eddng h\u1ee3p c\u00f3 c\u00f4ng tr\u00ecnh c\u1ee7a d\u00e2n \u1edf khu v\u1ef1c thi c\u00f4ng ph\u00e1 \u0111\u00e1 th\u00ec ph\u1ea3i ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng c\u00e1c thanh th\u00e9p v\u00e0 h\u1ec7 th\u1ed1ng h\u00e0ng r\u00e0o th\u00e9p \u0111\u1ec3 ng\u0103n kh\u00f4ng cho \u0111\u00e1 kh\u00f4ng l\u0103n xu\u1ed1ng ch\u00e2n s\u01b0\u1eddn d\u1ed1c n\u01a1i c\u00f3 c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng nh\u01b0: nh\u00e0 \u1edf, ru\u1ed9ng b\u1eadc thang, hoa m\u00e0u c\u1ee7a d\u00e2n…. Tr\u01b0\u1edbc khi thi c\u00f4ng Nh\u00e0 th\u1ea7u ph\u1ea3i th\u00f4ng b\u00e1o tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n th\u00f4ng tin \u0111\u1ea1i ch\u00fang v\u1ec1 vi\u1ec7c thi c\u00f4ng n\u1ed5 m\u00ecn v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u00fang c\u00e1c qui \u0111\u1ecbnh v\u1ec1 an to\u00e0n trong c\u00f4ng t\u00e1c thi c\u00f4ng n\u1ed5 m\u00ecn.<\/p>\n

            \u0110\u1ed1i v\u1edbi vi\u1ec7c \u0111\u00e0o \u0111\u00e1 c\u1ea5p 4 b\u1eb1ng m\u00e1y \u0111\u00e0o c\u00f4ng su\u1ea5t l\u1edbn th\u00ec kh\u00f4ng ph\u1ea3i ph\u00f2ng ch\u1ed1ng an to\u00e0n n\u1ed5 ph\u00e1, c\u00e1c c\u00f4ng vi\u1ec7c b\u1ea3o \u0111\u1ea3m an to\u00e0n lao \u0111\u1ed9ng, an to\u00e0n giao th\u00f4ng th\u1ef1c hi\u1ec7n theo quy \u0111\u1ecbnh \u0111\u00e0o n\u1ec1n \u0111\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng.<\/p>\n

            4.3. Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp<\/em><\/strong><\/p>\n

            * Tr\u00ecnh t\u1ef1 thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp:<\/p>\n

            – D\u1ecdn t\u1ea1p ch\u1ea5t, h\u1eefu c\u01a1, c\u00e2y c\u1ed1i tr\u00ean ph\u1ea7n \u0111\u1eafp.<\/p>\n

            – \u0110\u00e1nh c\u1ea5p b\u1eb1ng m\u00e1y \u1ee7i theo HSTK.<\/p>\n

            – Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u1eafp, v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u \u0111\u1eafp (\u0111i\u1ec1u ph\u1ed1i t\u1eeb n\u1ec1n \u0111\u00e0o) b\u1eb1ng \u00f4t\u00f4 t\u1ef1 \u0111\u1ed5 \u0111\u1ebfn \u0111\u1ec3 \u0111\u1eafp.<\/p>\n

            – M\u00e1y \u1ee7i san ph\u1ea7n \u0111\u1ea5t \u0111\u00e3 \u0111\u1ed5 th\u00e0nh t\u1eebng l\u1edbp, lu rung ti\u1ebfn h\u00e0nh lu \u0111\u1ebfn \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n

            a. Y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u \u0111\u1eafp:<\/em><\/strong><\/p>\n

            V\u1eadt li\u1ec7u d\u00f9ng \u0111\u1ec3 \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng l\u00e0 lo\u1ea1i v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c m\u1ecf t\u1eadn d\u1ee5ng \u0111\u1ea5t \u0111\u00e0o n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 m\u1ecf d\u1ecdc hai b\u00ean tuy\u1ebfn thi c\u00f4ng.<\/p>\n

            V\u1eadt li\u1ec7u \u0111\u1ea5t \u0111\u1eafp K\/90% ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n sau:<\/p>\n

            C\u00e1c lo\u1ea1i \u0111\u1ea5t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng<\/strong><\/p>\n\n\n\n\n\n\n\n\n
            \n

            Lo\u1ea1i \u0111\u1ea5t<\/p>\n<\/td>\n

            		\n

            T\u1ef7 l\u1ec7 h\u1ea1t c\u00e1t (2-0.05mm) theo % kh\u1ed1i l\u01b0\u1ee3ng<\/p>\n<\/td>\n

            		Ch\u1ec9 s\u1ed1 d\u1ebbo<\/td>\nKh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng<\/td>\n<\/tr>\n
            \u00c1<\/em> c\u00e1t nh\u1eb9, h\u1ea1t to<\/em><\/td>\n\n

            > 50%<\/em><\/p>\n<\/td>\n

            		\n

            1-:-7<\/em><\/p>\n<\/td>\n

            		R\u1ea5t th\u00edch h\u1ee3p<\/em><\/td>\n<\/tr>\n
            \u00c1<\/em> c\u00e1t nh\u1eb9<\/em><\/td>\n\n

            > 50%<\/em><\/p>\n<\/td>\n

            		\n

            1-:-7<\/em><\/p>\n<\/td>\n

            		Th\u00edch h\u1ee3p<\/em><\/td>\n<\/tr>\n
            \u00c1<\/em> s\u00e9t\u00a0 nh\u1eb9<\/em><\/td>\n\n

            > 40%<\/em><\/p>\n<\/td>\n

            		\n

            7-:-12<\/em><\/p>\n<\/td>\n

            		Th\u00edch h\u1ee3p<\/em><\/td>\n<\/tr>\n
            \u00c1<\/em> s\u00e9t n\u1eb7ng<\/em><\/td>\n\n

            > 40%<\/em><\/p>\n<\/td>\n

            		\n

            12-:-17<\/em><\/p>\n<\/td>\n

            		Th\u00edch h\u1ee3p<\/em><\/td>\n<\/tr>\n
            S\u00e9t nh\u1eb9<\/em><\/td>\n\n

            > 40%<\/em><\/p>\n<\/td>\n

            		\n

            17-:-27<\/em><\/p>\n<\/td>\n

            		Th\u00edch h\u1ee3p<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
            <\/div>\n

            V\u1eadt li\u1ec7u \u0111\u1eafp K\/90% d\u00e0y 30cm tr\u00ean m\u1eb7t n\u1ec1n \u0111\u1eafp d\u01b0\u1edbi l\u1edbp m\u00f3ng \u0111\u01b0\u1eddng ph\u1ea3i ch\u1ecdn l\u1ecdc k\u1ef9 theo \u0111\u00fang c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt quy \u0111\u1ecbnh cho l\u1edbp Subgrade (l\u1edbp \u0111\u1ea5t c\u00f3 \u0111\u1ed9 \u0111\u1ea7m ch\u1eb7t y\u00eau c\u1ea7u K\/90% theo \u0111\u1ea7m n\u00e9n c\u1ea3i ti\u1ebfn \u2013AASHTO T180) ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u sau.<\/p>\n

              \n
            • Gi\u1edbi h\u1ea1n ch\u1ea3y\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 T\u1ed1i \u0111a 34<\/li>\n
            • Ch\u1ec9 s\u1ed1 d\u1ebbo\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 T\u1ed1i \u0111a 17<\/li>\n
            • CBR (ng\u00e2m 4 ng\u00e0y)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 T\u1ed1i thi\u1ec3u 7%<\/li>\n
            • K\u00edch c\u1ee1 h\u1ea1t l\u1edbn nh\u1ea5t\u00a0\u00a0\u00a0\u00a0\u00a0 90mm<\/li>\n<\/ul>\n

               <\/p>\n

               <\/p>\n

              b.\u00a0 Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi \u0111\u1eafp <\/em><\/strong><\/p>\n

              Tr\u01b0\u1edbc khi \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng ti\u00eau tho\u00e1t n\u01b0\u1edbc, tr\u01b0\u1edbc h\u1ebft l\u00e0 ti\u00eau n\u01b0\u1edbc b\u1ec1 m\u1eb7t, \u0111\u00e0o m\u01b0\u01a1ng, kh\u01a1i r\u00e3nh \u0111\u1eafp b\u1edd con tr\u1ea1ch…<\/p>\n

              \u0110\u00e0o nh\u1eefng r\u00e3nh nh\u1ecf \u0111\u1ec3 tho\u00e1t h\u1ebft n\u01b0\u1edbc \u0111\u1ecdng v\u00e0 sau \u0111\u00f3 \u0111\u1ebfn l\u00fac n\u1eafng kh\u00f4 s\u1eeda sang l\u1ea1i c\u00e1c b\u1ec1 m\u1eb7t \u1ea9m \u01b0\u1edbt n\u00e0y \u0111\u1ec3 l\u00e0m ch\u00fang d\u1ec5 kh\u00f4.<\/p>\n

              Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u c\u00f4ng t\u00e1c l\u00e0m \u0111\u1ea5t, c\u1ea7n d\u1ecdn s\u1ea1ch c\u00e2y c\u1ecf, c\u00e1c l\u1edbp \u0111\u1ea5t h\u1eefu c\u01a1, c\u00e1c t\u1ea3ng \u0111\u00e1 to trong ph\u1ea1m vi thi c\u00f4ng b\u1eb1ng m\u00e1y \u1ee7i.<\/p>\n

              C\u00e1c h\u00f2n \u0111\u00e1 to n\u1eb1m \u1edf nh\u1eefng ch\u1ed7 c\u1ea3n tr\u1edf thi c\u00f4ng n\u1ec1n \u0111\u00e0o, m\u1ecf \u0111\u1ea5t, th\u00f9ng \u0111\u1ea5u ho\u1eb7c n\u1eb1m \u1edf n\u1ec1n \u0111\u1eafp c\u00f3 chi\u1ec1u cao nh\u1ecf h\u01a1n 1,5m \u0111\u1ec1u ph\u1ea3i d\u1ecdn \u0111i. Nh\u1eefng h\u00f2n \u0111\u00e1 c\u00f3 th\u1ec3 t\u00edch l\u1edbn h\u01a1n 1,5m3<\/sup> th\u00ec ph\u1ea3i d\u00f9ng thu\u1ed1c n\u1ed5 \u0111\u1ec3 ph\u00e1 v\u1ee1, c\u00f2n nh\u1eefng h\u00f2n \u0111\u00e1 nh\u1ecf h\u01a1n \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0a ra ph\u1ea1m vi thi c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u01a1 gi\u1edbi. M\u00e1y \u1ee7i c\u00f3 th\u1ec3 d\u1ecdn nh\u1eefng h\u00f2n \u0111\u00e1 th\u1ec3 t\u00edch d\u01b0\u1edbi 1m3<\/sup>. \u0110\u1ea7u ti\u00ean d\u00f9ng l\u01b0\u1ee1i \u1ee7i \u0111\u00e0o \u0111\u1ea5t xung quanh h\u00f2n \u0111\u00e1 v\u00e0 sau \u0111\u00f3 h\u1ea5t ng\u01b0\u1ee3c l\u00ean v\u00e0 \u0111\u1ea9y kh\u1ecfi ph\u1ea1m vi thi c\u00f4ng.<\/p>\n

              Trong ph\u1ea1m vi \u0111\u1eafp \u0111\u1ea5t ph\u1ea3i lo\u1ea1i b\u1ecf l\u1edbp \u0111\u1ea5t tr\u00ean m\u1eb7t, l\u1edbp \u0111\u1ea5t m\u00f9n, \u0111\u1ea5t h\u1eefu c\u01a1, \u0111\u1ea5t b\u00f9n \u0111\u1ebfn chi\u1ec1u s\u00e2u quy \u0111\u1ecbnh. \u0110\u1ec3 d\u1ecdn \u0111\u1ea5t h\u1eefu c\u01a1 ch\u00fang t\u00f4i d\u00f9ng m\u00e1y \u1ee7i \u1edf n\u01a1i \u0111\u1ecba h\u00ecnh cho ph\u00e9p, \u1edf n\u01a1i \u0111\u1ecba h\u00ecnh qu\u00e1 h\u1eb9p hay b\u1ecb c\u1ea3n tr\u1edf th\u00ec d\u00f9ng th\u1ee7 c\u00f4ng \u0111\u1ec3 d\u1ecdn d\u1eb9p.<\/p>\n

              T\u1ea5t c\u1ea3 c\u00e1c c\u00e2y l\u1edbn nh\u1ecf n\u1eb1m trong ph\u1ea1m vi thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf k\u1ec3 c\u1ea3 g\u1ed1c r\u1ec5, v\u00e0 \u0111\u00e0o t\u1edbi chi\u1ec1u s\u00e2u 0,5m \u0111\u1ed3ng th\u1eddi l\u1ea5p tr\u1ea3 l\u1ea1i h\u1ed1 \u0111\u00e0o b\u1eb1ng \u0111\u1ea5t \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh kh\u00f4ng l\u1eabn m\u00f9n, h\u1eefu c\u01a1, r\u1ec5 c\u00e2y v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c v\u00e0 \u0111\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c ho\u1eb7c c\u00e1c lo\u1ea1i \u0111\u1ea7m tay v\u1edbi \u0111\u1ed9 \u0111\u1ea7m n\u00e9n th\u00edch h\u1ee3p.<\/p>\n

              M\u1ecdi v\u1eadt li\u1ec7u lo\u1ea1i b\u1ecf \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111i theo h\u01b0\u1edbng d\u1eabn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 ho\u1eb7c t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed1t.<\/p>\n

              N\u1ebfu sau khi \u0111\u00e0o b\u1ecf l\u1edbp \u0111\u1ea5t tr\u00ean m\u1eb7t t\u1edbi \u0111\u1ed9 s\u00e2u thi\u1ebft k\u1ebf ph\u00e1t hi\u1ec7n \u0111\u1ea5t y\u1ebfu, n\u1ebfu thi c\u00f4ng \u0111\u1eafp n\u1ec1n s\u1ebd kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh th\u00ec ch\u00fang t\u00f4i s\u1ebd b\u00e1o c\u00e1o v\u1edbi T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t \u0111\u1ec3 t\u1eeb \u0111\u00f3 \u0111\u1ec1 ra bi\u1ec7n ph\u00e1p x\u1eed l\u00fd th\u00edch h\u1ee3p nh\u01b0:<\/p>\n

              – X\u00e1o x\u1edbi l\u1edbp \u0111\u1ea5t tr\u00ean m\u1eb7t hong kh\u00f4 \u0111\u1ea5t sau \u0111\u00f3 d\u00f9ng lu \u0111\u1ea7m \u0111\u1ea5t t\u1edbi \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n

              – \u0110\u00e0o b\u1ecf l\u1edbp \u0111\u1ea5t y\u1ebfu v\u00e0 thay v\u00e0o \u0111\u00f3 m\u1ed9t lo\u1ea1i \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc t\u1ed1t \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u00e0 \u0111\u1ea7m ch\u1eb7t t\u1edbi \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n

              – N\u1ec1n m\u00f3ng r\u1ea5t y\u1ebfu m\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng cho ph\u00e9p c\u1ea3i t\u1ea1o b\u1eb1ng c\u00e1ch b\u01a1m n\u01b0\u1edbc hay \u0111\u00e0o th\u00eam th\u00ec v\u1eadt li\u1ec7u \u0111\u1eafp s\u1ebd l\u00e0 v\u1eadt li\u1ec7u s\u1ecfi ho\u1eb7c \u0111\u00e1 tho\u00e1t n\u01b0\u1edbc t\u1ed1t\u00a0 \u0111\u01b0\u1ee3c r\u1ea3i v\u00e0 \u0111\u1ea7m ch\u1eb7t theo quy \u0111\u1ecbnh c\u1ee7a quy tr\u00ecnh. Chi\u1ec1u d\u00e0y l\u1edbp tho\u00e1t n\u01b0\u1edbc n\u00e0y c\u00f3 th\u1ec3 v\u00e0o kho\u1ea3ng 50cm ho\u1eb7c theo h\u01b0\u1edbng d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              \u0110\u1ec3 v\u1eadt li\u1ec7u \u0111\u1eafp m\u1edbi \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh v\u00e0o s\u01b0\u1eddn d\u1ed1c v\u00e0 m\u00e1i taluy n\u1ec1n \u0111\u1eafp c\u0169 th\u00ec tr\u01b0\u1edbc khi \u0111\u1eafp \u0111\u1ea5t ph\u1ea3i \u0111\u00e1nh c\u1ea5p, c\u00e1c b\u1eadc c\u1ea5p n\u00e0y c\u00f3 chi\u1ec1u cao v\u00e0 chi\u1ec1u r\u1ed9ng \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi chi\u1ec1u d\u00e0y l\u1edbp \u0111\u1ea5t \u0111\u1eafp v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 chi\u1ec1u r\u1ed9ng cho m\u00e1y thi c\u00f4ng ho\u1ea1t \u0111\u1ed9ng. V\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p \u0111\u01b0\u1ee3c \u0111\u00e0o ra t\u1eeb c\u1ea5p \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m \u0111\u1ea5t \u0111\u1eafp. Th\u00f4ng th\u01b0\u1eddng n\u1ebfu n\u1ec1n \u0111\u1ea5t c\u00f3 \u0111\u1ed9 d\u1ed1c i < 1\/5 sau khi x\u1edbi c\u00f3 th\u1ec3 \u0111\u1eafp \u0111\u1ea5t, n\u1ebfu > 1\/5 th\u00ec ph\u1ea3i \u0111\u00e1nh b\u1eadc, n\u1ebfu \u0111\u1ea7m tay th\u00ec m\u1ed7i c\u1ea5p r\u1ed9ng 1m n\u1ebfu \u0111\u1ea7m b\u1eb1ng m\u00e1y lu th\u00ec chi\u1ec1u r\u1ed9ng m\u1ed7i c\u1ea5p do lo\u1ea1i m\u00e1y quy \u0111\u1ecbnh \u0111\u1ec3 cho m\u1ed7i m\u00e1y ch\u1ea1y an to\u00e0n v\u00e0 d\u1ec5 d\u00e0ng tr\u00ean m\u1ed7i c\u1ea5p. M\u1ed7i c\u1ea5p c\u1ea7n d\u1ed1c v\u00e0o trong 2 \u00b8 3%, n\u1ebfu i > 1\/2.5 th\u00ec ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u1eb7c bi\u1ec7t ri\u00eang. V\u1edbi m\u00e1i taluy n\u1ec1n \u0111\u1eafp c\u0169 th\u00f4ng th\u01b0\u1eddng chi\u1ec1u cao b\u1eadc c\u1ea5p kho\u1ea3ng 25 – 30cm tu\u1ef3 thu\u1ed9c v\u00e0o chi\u1ec1u d\u00e0y t\u1eebng l\u1edbp \u0111\u1ea5t \u0111\u1eafp.<\/p>\n

              To\u00e0n b\u1ed9 m\u1eb7t b\u1eb1ng sau khi \u0111\u00e0o h\u1eefu c\u01a1, ch\u1eb7t c\u00e2y, \u0111\u00e0o r\u1ec5 \u0111\u01b0\u1ee3c san ph\u1eb3ng v\u00e0 lu l\u00e8n t\u1edbi \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n

              Theo ti\u00eau chu\u1ea9n:<\/p>\n

              – K = 0.95 n\u1ebfu chi\u1ec1u cao \u0111\u1ea5t \u0111\u1eafp l\u1edbn h\u01a1n 1m.<\/p>\n

              – K = 0,98 n\u1ebfu chi\u1ec1u cao \u0111\u1ea5t \u0111\u1eafp b\u1eb1ng 0.3m.<\/p>\n

              Ho\u00e0n thi\u1ec7n m\u1eb7t b\u1eb1ng trong ph\u1ea1m vi thi c\u00f4ng cho \u0111\u1ebfn khi \u0111\u01b0\u1ee3c nghi\u1ec7m thu ch\u00fang t\u00f4i m\u1edbi ti\u1ebfn h\u00e0nh thi c\u00f4ng \u0111o\u1ea1n ti\u1ebfp theo.<\/p>\n

              Ph\u1ea1m vi v\u00e0 h\u00ecnh d\u1ea1ng cu\u1ed1i c\u00f9ng c\u1ee7a n\u1ec1n \u0111\u1eafp do Nh\u00e0 th\u1ea7u l\u00ean ga d\u01b0\u1edbi s\u1ef1 h\u01b0\u1edbng d\u1eabn v\u00e0 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t. Vi\u1ec7c l\u00ean ga \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u1ecdc g\u1ed7, d\u00e2y c\u0103ng v\u00e0 \u0111\u00e1nh d\u1ea5u tr\u00ean c\u00e1c v\u1eadt c\u1ed1 \u0111\u1ecbnh.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 c. Thi c\u00f4ng \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

              – Kh\u1ed1i l\u01b0\u1ee3ng thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp t\u1ea1i g\u00f3i th\u1ea7u s\u1ed1 3 – C\u00f4ng tr\u00ecnh: \u0110\u01b0\u1eddng N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 l\u00e0 kh\u00f4ng l\u1edbn l\u1eafm (kho\u1ea3ng 18.000m3).<\/p>\n

              V\u1ea5n \u0111\u1ec1 ch\u1ecdn bi\u1ec7n ph\u00e1p thi c\u00f4ng tu\u1ef3 theo b\u1ec1 r\u1ed9ng ph\u1ea7n \u0111\u1ea5t \u0111\u1eafp v\u00e0 chi\u1ec1u cao n\u1ec1n \u0111\u1ea5t \u0111\u1eafp. Nh\u01b0ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfp x\u00fac t\u1ed1t gi\u1eefa ph\u1ea7n n\u1ec1n \u0111\u1eafp v\u00e0 ph\u1ea7n m\u1eb7t \u0111\u1ea5t t\u1ef1 nhi\u00ean v\u00e0 \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 ph\u1ea7n n\u1ec1n m\u1edbi \u0111\u1eafp, n\u00ean y\u00eau c\u1ea7u chung \u0111\u1ed1i v\u1edbi m\u1ecdi tr\u01b0\u1eddng h\u1ee3p \u0111\u1ec1u ph\u1ea3i \u0111\u00e1nh c\u1ea5p m\u00e1i taluy n\u1ec1n \u0111\u1eafp tr\u01b0\u1edbc khi \u0111\u1eafp ph\u1ea7n m\u1edbi v\u00e0 ph\u1ea3i \u0111\u1eafp theo t\u1eebng l\u1edbp t\u1eeb d\u01b0\u1edbi l\u00ean c\u00f3 \u0111\u1ea7m n\u00e9n k\u1ef9, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1eafp m\u1edf r\u1ed9ng theo l\u1ed1i l\u1ea5n ngang v\u00ec kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ea7m n\u00e9n, khi m\u01b0a l\u0169 d\u1ec5 l\u00e0m l\u00fan g\u1eaby, s\u1ee5t l\u1edf. Ngo\u00e0i ra \u0111\u1ea5t \u0111\u1eafp n\u00ean c\u1ed1 g\u1eafng ch\u1ecdn c\u00f9ng lo\u1ea1i v\u1edbi ph\u1ea7n n\u1ec1n \u0111\u1eafp.<\/p>\n

              Khi \u0111\u00e1nh c\u1ea5p m\u1ed7i c\u1ea5p ph\u1ea3i \u0111\u1ee7 r\u1ed9ng (tu\u1ef3 thu\u1ed9c v\u00e0o bi\u1ec7n ph\u00e1p thi c\u00f4ng) \u0111\u1ec3 m\u00e1y san v\u00e0 m\u00e1y \u0111\u1ea7m ho\u1ea1t \u0111\u1ed9n. M\u1ed7i b\u1ec1 m\u1eb7t ngang c\u1ea5p s\u1ebd b\u1eaft \u0111\u1ea7u t\u1eeb giao \u0111i\u1ec3m gi\u1eefa m\u1eb7t \u0111\u1ea5t thi\u00ean nhi\u00ean v\u00e0 c\u1ea1nh th\u1eb3ng \u0111\u1ee9ng c\u1ee7a c\u1ea5p tr\u01b0\u1edbc. V\u1eadt li\u1ec7u \u0111\u00e1nh c\u1ea5p s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eafp b\u00f9 b\u1eb1ng v\u1eadt li\u1ec7u \u0111\u1eafp n\u1ec1n ph\u00f9 h\u1ee3p, c\u00f9ng lo\u1ea1i v\u00e0 \u0111\u1ea7m ch\u1eb7t c\u00f9ng v\u1edbi v\u1eadt li\u1ec7u m\u1edbi c\u1ee7a n\u1ec1n \u0111\u1eafp. Vi\u1ec7c \u0111\u00e1nh c\u1ea5p v\u00e0 \u0111\u00e0o r\u00e3nh tho\u00e1t n\u01b0\u1edbc ph\u1ea3i lu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef cho m\u1eb7t n\u1ec1n tr\u01b0\u1edbc khi \u0111\u1eafp kh\u00f4 r\u00e1o.<\/p>\n

              V\u1ec1 bi\u1ec7n ph\u00e1p thi c\u00f4ng n\u00f3i chung c\u00f3 th\u1ec3 tu\u1ef3 tr\u01b0\u1eddng h\u1ee3p m\u00e0 s\u1eed d\u1ee5ng c\u01a1 gi\u1edbi l\u00e0 ch\u00ednh ho\u1eb7c th\u1ee7 c\u00f4ng l\u00e0 ch\u00ednh.<\/p>\n

              Trong tr\u01b0\u1eddng h\u1ee3p b\u1ec1 r\u1ed9ng m\u1edf th\u00eam \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 m\u00e1y c\u00f3 th\u1ec3 \u0111i l\u00ean xu\u1ed1ng \u0111\u01b0\u1ee3c th\u00ec d\u00f9ng c\u00f3 th\u1ec3 tr\u1ef1c ti\u1ebfp cho xe v\u1eadn chuy\u1ec3n \u0111\u1ea5t \u0111\u1ed5 tr\u1ef1c ti\u1ebfp t\u1ea1i v\u1ecb tr\u00ed thi c\u00f4ng sau \u0111\u00f3 d\u00f9ng \u1ee7i san s\u01a1 b\u1ed9 sau \u0111\u00f3 d\u00f9ng m\u00e1y san \u0111\u1ec3 san ph\u1eb3ng v\u00e0 cho m\u00e1y lu \u0111\u1ea7m ch\u1eb7t t\u1edbi \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u. N\u1ebfu xe kh\u00f4ng th\u1ec3 \u0111\u1ed5 tr\u1ef1c ti\u1ebfp t\u1ea1i v\u1ecb tr\u00ed thi c\u00f4ng \u0111\u01b0\u1ee3c th\u00ec \u0111\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ed1ng t\u1ea1i v\u1ecb tr\u00ed th\u00edch h\u1ee3p sau \u0111\u00f3 d\u00f9ng m\u00e1y \u1ee7i v\u1eadn chuy\u1ec3n \u0111\u1ea5t v\u00e0 san th\u00e0nh l\u1edbp \u0111\u1ec3 \u0111\u1ea7m l\u00e8n.<\/p>\n

              Trong tr\u01b0\u1eddng h\u1ee3p b\u1ec1 r\u1ed9ng m\u1edf th\u00eam h\u1eb9p ho\u1eb7c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eafp \u0111\u1ea5t tr\u00ean s\u01b0\u1eddn d\u1ed1c m\u00e0 ph\u1ea7n m\u1edf th\u00eam l\u1ea1i \u1edf ph\u00eda th\u1ea5p l\u00fac n\u00e0y d\u00f9ng bi\u1ec7n ph\u00e1p thi c\u00f4ng b\u1eb1ng th\u1ee7 c\u00f4ng ho\u1eb7c d\u00f9ng ph\u01b0\u01a1ng \u00e1n chuy\u1ec3n \u0111\u1ea5t b\u1eb1ng c\u00e1c lo\u1ea1i m\u00e1y (\u1ee7i, \u00f4t\u00f4,\u2026) t\u1eeb c\u00e1c \u0111o\u1ea1n n\u1ec1n \u0111\u00e0o m\u1edf r\u1ed9ng hay t\u1eeb c\u00e1c m\u1ecf \u0111\u1ea5t d\u1ecdc tuy\u1ebfn \u0111\u1ebfn v\u00e0 t\u1eeb tr\u00ean \u0111\u01b0\u1eddng c\u0169 \u0111\u1ea9y \u0111\u1ea5t xu\u1ed1ng \u0111\u1ec3 \u0111\u1eafp ph\u1ea7n m\u1edf r\u1ed9ng. Ch\u00fa \u00fd r\u1eb1ng \u0111\u1ea5t \u0111\u1ed5 xu\u1ed1ng \u0111\u1ebfn \u0111\u00e2u ph\u1ea3i d\u00f9ng nh\u00e2n l\u1ef1c san th\u00e0nh l\u1edbp v\u00e0 \u0111\u1ea7m n\u00e9n \u0111\u1ebfn \u0111\u00f3.<\/p>\n

              Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p n\u00f3i tr\u00ean, n\u00f3i chung n\u00ean d\u00f9ng c\u00e1c lo\u1ea1i m\u00e1y \u0111\u1ea7m c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c tr\u00ean di\u1ec7n c\u00f4ng t\u00e1c h\u1eb9p nh\u01b0 \u0111\u1ea7m c\u00f3c \u0111i\u00eazen m\u00e1y \u0111\u1ea7m mini,\u2026 Ch\u1ec9 \u0111\u01b0a m\u00e1y lu xu\u1ed1ng khi \u0111\u1ecba h\u00ecnh cho ph\u00e9p, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng t\u00e1c l\u1edbn, \u0111\u1eafp m\u1edf th\u00eam c\u00e1c \u0111o\u1ea1n d\u00e0i, v\u00e0 \u0111\u1eb7c bi\u1ec7t khi b\u1ec1 r\u1ed9ng m\u1edf th\u00eam \u0111\u1ee7 r\u1ed9ng ( >2,5m ).<\/p>\n

              Sau khi \u0111\u00e3 ho\u00e0n th\u00e0nh ph\u1ea7n vi\u1ec7c thi c\u00f4ng th\u00ec c\u00f3 th\u1ec3 d\u00f9ng m\u1ecdi bi\u1ec7n ph\u00e1p nh\u01b0 \u0111\u1ed1i v\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng n\u1ec1n \u0111\u01b0\u1eddng m\u1edbi \u0111\u1ec3 ti\u1ebfp t\u1ee5c t\u00f4n cao n\u1ec1n \u0111\u1eafp \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 cao thi\u1ebft k\u1ebf m\u1edbi.<\/p>\n

              \u0110\u1ed1i v\u1edbi n\u1ec1n \u0111\u1eafp \u1edf \u0111\u1ea7u c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e2n t\u1ea1o: <\/u><\/em><\/p>\n

              N\u1ebfu \u0111\u1ea5t \u0111\u1eafp li\u1ec1n k\u1ec1 k\u1ebft c\u1ea5u ho\u1eb7c ch\u1ec9 d\u1ef1a v\u00e0o 1 b\u00ean c\u1ee7a m\u1ed1 c\u1ea7u, t\u01b0\u1eddng c\u00e1nh, tr\u1ee5 c\u1ea7u, t\u01b0\u1eddng ch\u1eafn, c\u00e1c c\u1ed1ng \u0111\u1ed5 t\u1ea1i ch\u1ed7 ho\u1eb7c t\u01b0\u1eddng \u0111\u1ea7u c\u1ed1ng ho\u1eb7c r\u1ecd \u0111\u00e1 ch\u1ec9 ti\u1ebfn h\u00e0nh \u0111\u1eafp khi k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111\u1ea1t h\u01a1n 70% c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf v\u00e0 ph\u1ea3i h\u1ebft s\u1ee9c c\u1ea9n th\u1eadn sao cho di\u1ec7n t\u00edch k\u1ec1 s\u00e1t ngay c\u00f4ng tr\u00ecnh kh\u00f4ng b\u1ecb \u0111\u1ea7m qu\u00e1 nhanh \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 g\u00e2y l\u1eadt ho\u1eb7c g\u00e2y \u00e1p l\u1ef1c qu\u00e1 l\u1edbn \u0111\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh.<\/p>\n

              Khi n\u1ec1n \u0111\u1eafp qua ch\u1ed7 tr\u01b0\u1edbc kia l\u00e0 c\u00e1c h\u1ed1 \u0111\u00e0o t\u1eeb tr\u01b0\u1edbc, ho\u1eb7c c\u00e1c ch\u1ed7 kh\u00e1c nhau m\u00e0 kh\u00f4ng d\u00f9ng \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb \u0111\u1ea7m th\u00f4ng th\u01b0\u1eddng vi\u1ec7c thi c\u00f4ng n\u1ec1n \u0111\u1eafp \u1edf nh\u1eefng ch\u1ed7 \u0111\u00f3 ph\u1ea3i theo \u0111\u00fang y\u00eau c\u1ea7u quy \u0111\u1ecbnh cho vi\u1ec7c l\u1ea5p h\u1ed1 m\u00f3ng cho \u0111\u1ebfn khi c\u00f3 th\u1ec3 d\u00f9ng thi\u1ebft b\u1ecb \u0111\u1ea7m th\u00f4ng th\u01b0\u1eddng.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ed1i v\u1edbi tr\u01b0\u1eddng h\u1ee3p l\u1ea5y \u0111\u1ea5t t\u1eeb th\u00f9ng \u0111\u1ea5u:<\/u><\/em><\/p>\n

              Khi l\u1ea5y \u0111\u1ea5t t\u1eeb c\u00e1c th\u00f9ng \u0111\u1ea5u c\u1ea1nh \u0111\u01b0\u1eddng ph\u1ea3i c\u00f3 chi\u1ec1u r\u1ed9ng th\u1ec1m an to\u00e0n t\u1ed1i thi\u1ec3u cho trong b\u1ea3ng sau:<\/p>\n

              B\u1ec1 r\u1ed9ng th\u1ec1m b\u1ea3o v\u1ec7 khi x\u00e2y d\u1ef1ng n\u1ec1n \u0111\u1eafp c\u00f3 th\u00f9ng \u0111\u1ea5u<\/strong><\/p>\n\n\n\n\n
              \n

              Chi\u1ec1u cao n\u1ec1n \u0111\u1eafp<\/p>\n<\/td>\n

              		\n

              < 2m<\/p>\n<\/td>\n

              		\n

              2 \u2013 3m<\/p>\n<\/td>\n

              		\n

              3 \u2013 6m<\/p>\n<\/td>\n

              		\n

              6 \u2013 12m<\/p>\n<\/td>\n<\/tr>\n

              \n

              B\u1ec1 r\u1ed9ng th\u1ec1m an to\u00e0n<\/p>\n<\/td>\n

              		\n

              Kh\u00f4ng qui \u0111\u1ecbnh<\/p>\n<\/td>\n

              		\n

              1.00m<\/p>\n<\/td>\n

              		\n

              2.00m<\/p>\n<\/td>\n

              		\n

              4.00m<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              <\/div>\n

              Chi\u1ec1u s\u00e2u c\u1ee7a th\u00f9ng \u0111\u1ea5u th\u01b0\u1eddng l\u00e0 1m v\u00e0 trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n 2m<\/p>\n

              C\u00f4ng t\u00e1c \u0111\u1eafp v\u1eadt li\u1ec7u ch\u1ecdn l\u1ecdc:<\/u><\/em><\/strong><\/p>\n

              M\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c: <\/em>bao g\u1ed3m vi\u1ec7c cung c\u1ea5p , r\u1ea3i v\u00e0 \u0111\u1ea7m ch\u1eb7t c\u00e1c l\u1edbp v\u1eadt li\u1ec7u l\u1ea5p sau c\u1ee7a m\u1ed1 c\u1ea7u, c\u1ed1ng b\u1ea3n, t\u01b0\u1eddng ch\u1eafn \u0111\u1ea5t,…<\/p>\n

              V\u1eadt li\u1ec7u l\u1ea5p \u0111\u1ea5t sau m\u1ed1 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng bao g\u1ed3m s\u1ecfi, s\u1ecfi nghi\u1ec1n, \u0111\u00e1 nghi\u1ec1n, c\u00e1t t\u1ef1 nhi\u00ean ho\u1eb7c h\u1ed7n h\u1ee3p c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u00f3. V\u1eadt li\u1ec7u ph\u1ea3i ph\u00f9 h\u1ee3p t\u1ef7 l\u1ec7 th\u00e0nh ph\u1ea7n h\u1ea1t quy \u0111\u1ecbnh sau \u0111\u00e2y:<\/p>\n

              B\u1ea3ng quy \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u1ea1t v\u1eadt li\u1ec7u \u0111\u1eafp sau m\u1ed1<\/strong><\/p>\n\n\n\n\n
              \n

              S\u00e0ng ti\u00eau chu\u1ea9n (mm)<\/em><\/p>\n<\/td>\n

              		\n

              % l\u1ecdt qua s\u00e0ng (theo tr\u1ecdng l\u01b0\u1ee3ng)<\/em><\/p>\n<\/td>\n<\/tr>\n

              \n

              50<\/p>\n

              25,0<\/p>\n

              9,5<\/p>\n

              2,00<\/p>\n

              0,425<\/p>\n

              0,075<\/p>\n<\/td>\n

              		\n

              80 \u2013 100<\/p>\n

              30 \u2013 100<\/p>\n

              12 \u2013 30<\/p>\n

              7 \u2013 15<\/p>\n

              2 \u2013 10<\/p>\n

              0 – 5<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              <\/div>\n

              C\u00e1c v\u1eadt li\u1ec7u \u0111\u1eafp kh\u00e1c tu\u1ef3 theo y\u00eau c\u1ea7u c\u1ee7a h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c duy\u1ec7t ho\u1eb7c theo y\u00eau c\u1ea7u c\u1ee7a TVGS\u00a0 m\u00e0 c\u00f3 th\u00e0nh ph\u1ea7n kh\u00e1c nhau.<\/p>\n

              Y\u00eau c\u1ea7u thi c\u00f4ng:<\/em><\/p>\n

              V\u1eadt li\u1ec7u l\u1ea5p m\u00f3ng c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c r\u1ea3i th\u00e0nh t\u1eebng l\u1edbp b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p quy \u0111\u1ecbnh trong m\u1ee5c \u201c\u0110\u00e0o m\u00f3ng c\u00f4ng tr\u00ecnh v\u00e0 l\u1ea5p l\u1ea1i\u201d theo ch\u1ec9 d\u1eabn c\u1ee7a TVGS.<\/p>\n

              \u0110\u1ec3 kh\u1ed1ng ch\u1ebf v\u00e0 gi\u1ea3m b\u1edbt \u00e1p l\u1ef1c \u0111\u1ea5t theo chi\u1ec1u ngang v\u1eadt li\u1ec7u l\u1ea5p m\u00f3ng \u0111\u01b0\u1ee3c x\u1ebfp sau m\u1ed1 trong ph\u1ea1m vi quy \u0111\u1ecbnh c\u1ee7a h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf ho\u1eb7c ch\u1ec9 d\u1eabn c\u1ee7a TVGS.<\/p>\n

              Trong b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o v\u1eadt li\u1ec7u c\u00f3 k\u00edch c\u1ee1 tr\u00ean 90mm x\u1ebfp sau m\u1ed1, t\u01b0\u1eddng c\u00e1nh ho\u1eb7c t\u01b0\u1eddng ch\u1eafn c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c m\u1ecfng h\u01a1n 900mm (\u0111o th\u1eb3ng g\u00f3c v\u1edbi m\u1eb7t sau c\u1ee7a t\u01b0\u1eddng).<\/p>\n

              Kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p d\u00f9ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p phun v\u1eadt li\u1ec7u ho\u1eb7c c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu\u1ef7 l\u1ef1c kh\u00e1c \u0111\u1ec3 phun c\u00f3 \u00e1p l\u1ef1c c\u00e1c v\u1eadt li\u1ec7u l\u1ecfng ho\u1eb7c n\u1eeda l\u1ecfng \u0111\u1ec3 \u0111\u1eafp sau m\u1ed1.<\/p>\n

              V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c r\u1ea3i th\u00e0nh t\u1eebng l\u1edbp v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1ea7m b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7m th\u00edch h\u1ee3p ho\u1eb7c d\u00f9ng \u0111\u1ea7m r\u01a1i c\u01a1 kh\u00ed ho\u1eb7c \u0111\u1ea7m tay. M\u1ed7i l\u1edbp s\u1ebd \u0111\u1ea7m \u0111\u1ebfn \u0111\u1ed9 ch\u1eb7t theo quy \u0111\u1ecbnh trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf. Chi\u1ec1u d\u00e0y ch\u01b0a \u0111\u1ea7m l\u00e8n ph\u1ea3i \u0111\u01b0\u1ee3c r\u1ea3i sao cho b\u1ea3o \u0111\u1ea3m \u0111\u1ea1t \u0111\u01b0\u1ee3c chi\u1ec1u d\u00e0y \u0111\u00e3 \u0111\u1ea7m l\u00e8n qui \u0111\u1ecbnh. M\u1ed7i l\u1edbp \u0111\u1eafp ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ed3ng nh\u1ea5t c\u00f3 th\u1ec3 cho ph\u00e9p \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t quy \u0111\u1ecbnh, nh\u01b0ng trong b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o chi\u1ec1u d\u00e0y \u0111\u00e3 \u0111\u1ea7m ch\u1eb7t c\u1ee7a m\u1ed7i l\u1edbp \u0111\u1ea5t n\u00e0y c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 150mm. \u0110\u1ed9 \u1ea9m c\u1ee7a v\u1eadt li\u1ec7u l\u1ea5p m\u00f3n ph\u1ea3i \u0111\u1ed3ng nh\u1ea5t v\u00e0 trong ph\u1ea1m vi gi\u1edbi h\u1ea1n \u0111\u1ed9 \u1ea9m trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf ho\u1eb7c ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              \u1ede nh\u1eefng ch\u1ed7 ghi tr\u00ean h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf ho\u1eb7c do T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t y\u00eau c\u1ea7u vi\u1ec7c l\u1ea5p v\u1eadt li\u1ec7u sau m\u1ed1 ph\u1ea3i ph\u00f9 h\u1ee3p theo y\u00eau c\u1ea7u \u0111\u00e3 n\u00eau tr\u01b0\u1edbc. \u0110\u1ea5t \u0111\u1eafp chung quanh m\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t v\u1edbi c\u00f9ng \u0111\u1ed9 ch\u1eb7t nh\u01b0 \u0111\u1ea5t n\u1ec1n \u0111\u01b0\u1eddng xung quanh v\u00e0 k\u1ec1 b\u00ean nh\u01b0ng kh\u00f4ng nh\u1ecf h\u01a1n 90%.<\/p>\n

              M\u1ecdi v\u1eadt li\u1ec7u \u0111\u00e0o ra \u0111\u1ec3 x\u1ebfp v\u1eadt li\u1ec7u sau m\u1ed1 s\u1ebd do kinh ph\u00ed Nh\u00e0 th\u1ea7u ch\u1ecbu.<\/p>\n

              4. C\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o giao th\u00f4ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh khi thi c\u00f4ng ph\u1ea7n n\u1ec1n:<\/em><\/strong><\/p>\n

              Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng Nh\u00e0 th\u1ea7u ph\u1ea3i c\u00f3 \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng m\u00e1y san \u0111\u1ec3 san ph\u1eb3ng b\u1ec1 m\u1eb7t l\u1edbp \u0111\u1ea5t v\u1eeba r\u1ea3i tr\u01b0\u1edbc khi v\u00e0 trong khi ti\u1ebfn h\u00e0nh vi\u1ec7c \u0111\u1ea7m l\u00e8n. Ngo\u00e0i ra c\u0169ng ph\u1ea3i h\u1ebft s\u1ee9c ch\u00fa \u00fd t\u1edbi c\u00e1c c\u00f4ng t\u00e1c li\u00ean quan t\u1edbi c\u00f4ng vi\u1ec7c tho\u00e1t n\u01b0\u1edbc khu v\u1ef1c thi c\u00f4ng.<\/p>\n

              Nh\u00e0 th\u1ea7u ph\u1ea3i l\u00e0m \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u00ed nghi\u1ec7m y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ea5t tr\u1eeb khi c\u00e1c b\u1ea3n v\u1ebd c\u00f3 qui \u0111\u1ecbnh kh\u00e1c \u0111i, Nh\u00e0 th\u1ea7u ph\u1ea3i \u0111\u1ea7m n\u00e9n v\u1eadt li\u1ec7u \u0111\u1ed5 tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c l\u1edbp n\u1ec1n \u0111\u1eafp l\u1edbn h\u01a1n 50cm b\u00ean d\u01b0\u1edbi cao \u0111\u1ed9 c\u1ee7a l\u1edbp m\u00f3ng \u0111\u01b0\u1eddng cho \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u1eb7t \u0111\u1ed3ng \u0111\u1ec1u kh\u00f4ng th\u1ea5p h\u01a1n 95% \u0111\u1ed9 ch\u1eb7t Proctor t\u1ed1i \u0111a ti\u00eau chu\u1ea9n (AASHTO T99) v\u1edbi \u0111\u1ed9 \u1ea9m \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ph\u00ea chu\u1ea9n l\u00e0 th\u00edch h\u1ee3p v\u1edbi \u0111\u1ed9 ch\u1eb7t t\u01b0\u01a1ng \u1ee9ng. Nghi\u1ec7m thu \u0111\u1ed9 ch\u1eb7t \u0111\u1ea7m n\u00e9n c\u00f3 th\u1ec3 ph\u1ea3i c\u0103n c\u1ee9 tr\u00ean c\u1ea3 ph\u01b0\u01a1ng th\u1ee9c lu l\u00e8n.<\/p>\n

              C\u00e1c l\u1edbp n\u1ec1n \u0111\u1eafp 50cm ho\u1eb7c \u00edt h\u01a1n d\u01b0\u1edbi cao \u0111\u1ed9 \u0111\u00e1y m\u00f3ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m n\u00e9n t\u1edbi m\u1ed9t \u0111\u1ed9 ch\u1eb7t \u0111\u1ec1u kh\u00f4ng \u00edt h\u01a1n 100% \u0111\u1ed9 ch\u1eb7t l\u1edbn nh\u1ea5t c\u1ee7a Proctor ti\u00eau chu\u1ea9n (AASHTO T99) ho\u1eb7c 95% \u0111\u1ed9 ch\u1eb7t l\u1edbn nh\u1ea5t c\u1ee7a Proctor c\u1ea3i ti\u1ebfn (AASHTO T180) v\u1edbi \u0111\u1ed9 \u1ea9m dao \u0111\u1ed9ng trong kho\u1ea3ng t\u1eeb th\u1ea5p h\u01a1n 3% ho\u1eb7c cao h\u01a1n 1% \u0111\u1ed9 \u1ea9m t\u1ed1i \u01b0u. \u0110\u1ed9 \u1ea9m t\u1ed1i \u01b0u s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh l\u00e0 \u0111\u1ed9 \u1ea9m m\u00e0 t\u1ea1i \u0111\u00f3 thu \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u1eb7t t\u1ed1i \u0111a khi \u0111\u1ea7m n\u00e9n \u0111\u1ea5t. \u0110\u1ed1i v\u1edbi c\u00e1 lo\u1ea1i \u0111\u1ea5t ch\u1ee9a h\u01a1n 10% v\u1eadt li\u1ec7u c\u00f2n tr\u00ean s\u00e0ng, \u0111\u1ed9 ch\u1eb7t t\u1ed1i \u0111a thu \u0111\u01b0\u1ee3c ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u qu\u00e1 c\u1ee1 theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              \u00cdt nh\u1ea5t c\u1ee9 1500m2<\/sup> c\u1ee7a m\u1ed7i l\u1edbp \u0111\u1ea5t \u0111\u1eafp \u0111\u00e3 \u0111\u1ea7m n\u00e9n ph\u1ea3i ti\u1ebfn h\u00e0nh m\u1ed9t nh\u00f3m g\u1ed3m 3 th\u1eed nghi\u1ec7m \u0111\u1ed9 ch\u1eb7t t\u1ea1i ch\u1ed7. C\u00e1c th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ebfn h\u1ebft chi\u1ec1u d\u00e0y c\u1ee7a l\u1edbp \u0111\u1ea5t.<\/p>\n

              Nh\u00e0 th\u1ea7u ph\u1ea3i b\u1ea3o v\u1ec7 cho m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng kh\u1ecfi b\u1ecb h\u01b0 h\u1ea1i b\u1eb1ng c\u00e1ch thi h\u00e0nh c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 khi T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t th\u1ea5y c\u1ea7n thi\u1ebft. B\u1ec1 m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i lu\u00f4n lu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef\u00a0 trong \u0111i\u1ec1u ki\u1ec7n s\u1eb5n s\u00e0ng tho\u00e1t n\u01b0\u1edbc. Cao \u0111\u1ed9 m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 ch\u1ea5p thu\u1eadn cho chuy\u1ec3n giai \u0111o\u1ea1n tr\u01b0\u1edbc khi v\u1eadt li\u1ec7u c\u1ee7a c\u00e1c l\u1edbp m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng (l\u1edbp sub-base) \u0111\u01b0\u1ee3c r\u1ea3i l\u00ean tr\u00ean \u0111\u00f3.<\/p>\n

              Tr\u01b0\u1edbc khi \u0111\u1eafp: Nh\u00e0 th\u1ea7u s\u1ebd tr\u00ecnh K\u1ef9 s\u01b0 t\u01b0 v\u1ea5n m\u1ecf v\u1eadt li\u1ec7u n\u01a1i cung c\u1ea5p \u0111\u1ec3 t\u01b0 v\u1ea5n x\u00e1c \u0111\u1ecbnh tr\u1eef l\u01b0\u1ee3ng c\u1ea7n d\u00f9ng v\u00e0 ph\u1ea3i tr\u00ecnh ch\u1ee9ng ch\u1ec9 th\u00ed nghi\u1ec7m v\u1eadt li\u1ec7u cho TVGS\u00a0 ki\u1ec3m tra v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a TVGS.<\/p>\n

              Khi \u0111\u00e3 t\u1eadp k\u1ebft m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb \u0111\u1ea7y \u0111\u1ee7 t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, m\u1ecf \u0111\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c TVGS ch\u1ea5p thu\u1eadn ti\u1ebfn h\u00e0nh d\u1ea3i th\u00ed \u0111i\u1ec3m.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 \u0110\u1ea7m th\u00ed \u0111i\u1ec3m<\/em><\/strong><\/p>\n

              – V\u1edbi m\u1ed7i lo\u1ea1i v\u1eadt li\u1ec7u d\u00f9ng \u0111\u1ec3 \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng c\u1ea7n ph\u1ea3i l\u00e0m th\u00ed nghi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng kh\u00f4 l\u1edbn nh\u1ea5t (gmax), \u0111\u1ed9 \u1ea9m t\u00f4t nh\u1ea5t (Wo) v\u00e0 ph\u1ea1m vi \u0111\u1ed9 \u1ea9m y\u00eau c\u1ea7u cho vi\u1ec7c \u0111\u1ea7m l\u00e8n.<\/p>\n

              – \u0110\u1ec3 c\u00f3 c\u00f4ng ngh\u1ec7 \u0111\u1ea7m l\u00e8n h\u1ee3p l\u00fd ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi thi c\u00f4ng \u0111\u1ea1i tr\u00e0 c\u1ea7m \u0111\u1ea7m th\u00ed \u0111i\u1ec3m nh\u1eb1m x\u00e1c \u0111\u1ecbnh ch\u1ee7ng lo\u1ea1i, \u0111\u1ed9 \u1ea9m h\u1ee3p l\u00fd t\u01b0\u01a1ng \u1ee9ng, tr\u00ecnh t\u1ef1, s\u1ed1 l\u01b0\u1ee3t lu l\u00e8n c\u1ee7a thi\u1ebft b\u1ecb \u0111\u1ea7m cho t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u, chi\u1ec1u d\u00e0y t\u1eebng l\u1edbp \u0111\u1ea7m <300 mm \u0111\u1ec3 c\u00f4ng t\u00e1c \u0111\u1ea7m l\u00e8n \u0111\u1ea1t y\u00eau c\u1ea7u, hi\u1ec7u qu\u1ea3 cao nh\u1ea5t.<\/p>\n

              – V\u1edbi nh\u1eefng v\u1ecb tr\u00ed n\u1ec1n \u0111\u1eafp gi\u00e1p v\u1edbi c\u00f4ng tr\u00ecnh ho\u1eb7c \u1edf nh\u1eefng ch\u1ed7 kh\u00f4ng \u0111\u01b0a m\u00e1y \u0111\u1ea7m v\u00e0o \u0111\u01b0\u1ee3c Nh\u00e0 th\u1ea7u ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea7m nh\u1ecf ho\u1eb7c c\u00e1c \u0111\u1ea7m c\u01a1 kh\u00ed \u0111\u1ec3 \u0111\u1ea7m ch\u1eb7t v\u1eadt li\u1ec7u n\u1ec1n \u0111\u01b0\u1eddng. Chi\u1ec1u d\u00e0y r\u1ea3i \u0111\u1ea5t r\u1eddi c\u1ee7a m\u1ed7i l\u1edbp ph\u1ea3i sao cho b\u1ea3o \u0111\u1ea3m \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u1eb7t quy \u0111\u1ecbnh. Trong b\u1ea5t c\u1ee9\u00a0 tr\u01b0\u1eddng h\u1ee3p n\u00e0o chi\u1ec1u d\u00e0y c\u1ee7a m\u1ed9t l\u1edbp \u0111\u1ea7m c\u0169ng kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 150 mm.<\/p>\n

              – Nh\u00e0 th\u1ea7u s\u1ebd b\u1ed1 tr\u00ed m\u1ed9t \u0111o\u1ea1n t\u1eeb 50-:-100m \u0111\u1ec3 l\u00e0m th\u00ed \u0111i\u1ec3m, trong \u0111\u00f3 chia ra l\u00e0m nhi\u1ec1u \u0111o\u1ea1n m\u1ed7i \u0111o\u1ea1n v\u1edbi s\u1ed1 l\u01b0\u1ee3t lu kh\u00e1c nhau, sau khi lu song ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng c\u00f3 s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a TVGS \u0111\u1ec3 t\u00ecm ra s\u1ed1 l\u01b0\u1ee3t lu th\u00edch h\u1ee3p nh\u1ea5t.<\/p>\n

              – Sau khi l\u00e0m c\u00f4ng t\u00e1c th\u00ed \u0111i\u1ec3m xong nh\u00e0 th\u1ea7u s\u1ebd tr\u00ecnh danh s\u00e1ch thi\u1ebft b\u1ecb \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh \u0111\u1ec1 ngh\u1ecb Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn.<\/p>\n

              – Vi\u1ec7c \u0111\u1ea7m th\u00ed \u0111i\u1ec3m \u0111\u01b0\u1ee3c l\u1eadp th\u00e0nh h\u1ed3 s\u01a1 l\u01b0u gi\u1eef l\u00e0 c\u01a1 s\u1edf cho vi\u1ec7c ki\u1ec3m tra t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 nghi\u1ec7m thu ch\u1ea5t l\u01b0\u1ee3ng ho\u00e0n th\u00e0nh.<\/p>\n

              – Khi ph\u1ea1m vi \u0111\u1eafp \u0111\u1ea5t chi\u1ebfm to\u00e0n b\u1ed9 ph\u1ea1m vi n\u1ec1n \u0111\u01b0\u1eddng th\u00ec vi\u1ec7c thi c\u00f4ng th\u1ef1c hi\u1ec7n tr\u00ean 1\/2 n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea7n c\u00f2n l\u1ea1i \u0111\u1ec3 th\u00f4ng xe tr\u00ean tuy\u1ebfn (n\u1ebfu \u1edf \u0111\u00f3 kh\u00f4ng c\u00f3 \u0111\u01b0\u1eddng tr\u00e1nh), v\u00e0 ch\u00eanh l\u1ec7ch gi\u1eefa hai b\u00ean kh\u00f4ng qu\u00e1 m\u1ed9t l\u1edbp \u0111\u1eafp.<\/p>\n

              – Vi\u1ec7c \u0111\u1eafp \u0111\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eebng l\u1edbp m\u1ed9t, chi\u1ec1u d\u00e0y m\u1ed7i l\u1edbp t\u1ed1i \u0111a 30cm, c\u00e1c l\u1edbp \u0111\u1eafp \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n song song v\u1edbi tim \u0111\u01b0\u1eddng. B\u1ec1 m\u1eb7t c\u00e1c l\u1edbp \u0111\u1ea5t \u0111\u1eafp ph\u1ea3i lu\u00f4n c\u00f3 \u0111\u1ed9 d\u1ed1c 3-6% v\u1ec1 h\u01b0\u1edbng tho\u00e1t n\u01b0\u1edbc. Trong qu\u00e1 tr\u00ecnh \u0111\u1eafp ph\u1ea3i ng\u0103n d\u00f2ng n\u01b0\u1edbc m\u1eb7t ch\u1ea3y qua ph\u1ea7n \u0111\u1eafp.<\/p>\n

              – V\u1eadt li\u1ec7u \u0111\u1eafp kh\u00f4ng l\u1eabn r\u00e1c r\u01b0\u1edfi, c\u1ecf c\u00e2y, \u0111\u00e1 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n 5cm.<\/p>\n

              – Sau khi \u0111\u1ed5 \u0111\u1ea5t ti\u1ebfn h\u00e0nh san, b\u0103m, \u0111\u1ea7m l\u00e8n ngay sau khi san g\u1ea1t, t\u1ea1o ph\u1eb3ng. Nh\u1eefng l\u01b0\u1ee3t lu \u0111\u1ea7u d\u00f9ng lu nh\u1eb9, sau \u0111\u00f3 d\u00f9ng lu n\u1eb7ng d\u1ea7n.<\/p>\n

              – V\u1eadn chuy\u1ec3n \u0111\u1ea5t n\u01a1i kh\u00e1c \u0111\u1ebfn \u0111\u1ec3 \u0111\u1eafp, \u0111\u1ea5t \u0111\u1eafp ph\u1ea3i \u0111\u1ea1t ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt v\u1ec1 \u0111\u1ed9 \u1ea9m. Lo\u1ea1i \u0111\u1ea5t: N\u1ebfu \u0111\u1ea5t v\u00f3n c\u1ee5c to th\u00ec ph\u1ea3i \u0111\u1eadp nh\u1ecf, \u0111\u1ed9 \u1ea9m kh\u00f4 qu\u00e1 th\u00ec ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea7m.<\/p>\n

              – To\u00e0n b\u1ed9 n\u1ec1n \u0111\u1eafp \u0111\u01b0\u1ee3c thi c\u00f4ng th\u00e0nh t\u1eebng l\u1edbp song song v\u1edbi b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng b\u1ec1 m\u1eb7t lu\u00f4n \u0111\u01b0\u1ee3c t\u1ea1o \u0111\u1ed9 v\u1ed3ng v\u00e0 d\u1ed1c ngang \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc d\u1ec5 d\u00e0ng.<\/p>\n

              – \u0110\u1ea5t \u0111\u1eafp \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c l\u1edbp \u0111\u1ed3ng nh\u1ea5t v\u1edbi chi\u1ec1u d\u00e0y tr\u01b0\u1edbc khi lu l\u00e8n t\u1ed1i \u0111a 25-30cm. Chi\u1ec1u d\u00e0y l\u1edbp \u0111\u01b0\u1ee3c kh\u1ed1ng ch\u1ebf b\u1eb1ng c\u1ecdc g\u1ed7.<\/p>\n

              – M\u1ed7i l\u1edbp \u0111\u01b0\u1ee3c lu l\u00e8n kh\u1eafp b\u1ec1 m\u1eb7t l\u1edbp t\u1eeb 6-8 l\u01b0\u1ee3t b\u1eb1ng lo\u1ea1i lu b\u00e1nh nh\u1eb5n c\u00f3 t\u1ea3i tr\u1ecdng t\u0129nh 6-8T, sau \u0111\u00f3 d\u00f9ng lu rung 16-:-24T lu v\u00e0 lu ho\u00e0n thi\u1ec7n b\u1eb1ng lu 8-:- 10T . K\u1ef9 thu\u1eadt lu l\u00e8n ph\u1ea3i lu t\u1eeb ngo\u00e0i v\u00e0o trong, t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean, trong \u0111\u01b0\u1eddng cong c\u00f3 si\u00eau cao ph\u1ea3i lu t\u1eeb b\u1ee5ng \u0111\u01b0\u1eddng cong lu l\u00ean, v\u1ec7t lu sau ph\u1ea3i \u0111\u00e8 l\u00ean v\u1ec7t lu tr\u01b0\u1edbc l\u00e0 25-:-50cm.\u00a0 \u1ede nh\u1eefng n\u01a1i k\u1ebft c\u1ea5u y\u1ebfu hay di\u1ec7n thi c\u00f4ng qu\u00e1 h\u1eb9p th\u00ec d\u00f9ng lu lo\u1ea1i nh\u1ecf (0.5-0.8m) \u0111\u1ec3 \u0111\u1ea7m hay d\u00f9ng lu tay \u0111\u1ec3 lu nhi\u1ec1u l\u1ea7n h\u01a1n v\u00e0 gi\u1ea3m b\u1edbt chi\u1ec1u d\u00e0y t\u1eebng l\u1edbp \u0111\u1ea5t \u0111i. \u0110\u1ea7m tay c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t\u00a0 hay nh\u1eefng n\u01a1i b\u1ecb ng\u0103n tr\u1edf \u0111\u1eb7c bi\u1ec7t.<\/p>\n

              – M\u1ed7i l\u1edbp \u0111\u1ea5t khi thi c\u00f4ng xong ph\u1ea3i ki\u1ec3m tra th\u00ed nghi\u1ec7m \u0111\u1ed9 ch\u1eb7t, c\u1ee9 200m ki\u1ec3m tra t\u1ed5 h\u1ee3p 3 m\u1eabu b\u1ea5t k\u1ef3 do TVGS hi\u1ec7n tr\u01b0\u1eddng ch\u1ec9 \u0111\u1ecbnh. N\u1ebfu \u0111\u1ed9 ch\u1eb7t ch\u01b0a \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh lu ti\u1ebfp \u0111\u1ebfn khi \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t thi\u1ebft k\u1ebf.<\/p>\n

              – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, m\u1ed7i c\u00f4ng \u0111o\u1ea1n \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p thu\u1eadn v\u00e0 nghi\u1ec7m thu b\u1eb1ng v\u0103n b\u1ea3n khi k\u1ebft th\u00fac c\u00f4ng vi\u00eac, \u0111\u1ec3 l\u00e0m c\u01a1 s\u1edf ki\u1ec3m tra nghi\u1ec7m thu chuy\u1ec3n giai \u0111o\u1ea1n v\u00e0 nghi\u1ec7m thu thanh to\u00e1n.<\/p>\n

              – Khi \u0111\u1eafp \u0111\u1ea5t l\u1edbp ti\u1ebfp theo th\u00ec ti\u1ebfn h\u00e0nh t\u01b0\u1edbi n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a l\u1edbp tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean k\u1ebft gi\u1eefa c\u00e1c l\u1edbp \u0111\u1ea5t.<\/p>\n

              – Cu\u1ed1i bu\u1ed5i l\u00e0m vi\u1ec7c hay tr\u01b0\u1edbc l\u00fac tr\u1eddi c\u00f3 th\u1ec3 m\u01b0a l\u1edbp tr\u00ean c\u00f9ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t v\u00e0 \u0111\u00e1nh b\u00f3ng b\u1eb1ng lu b\u00e1nh nh\u1eb5n \u0111\u1ec3 cho n\u01b0\u1edbc m\u01b0a tr\u00ean m\u1eb7t tho\u00e1t nhanh.<\/p>\n

              – Ph\u00eda ngo\u00e0i c\u00e1c l\u1edbp \u0111\u1eafp s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1eafp m\u1edf r\u1ed9ng h\u01a1n sao cho sau khi x\u00e9n ph\u1ea7n \u0111\u1ea5t x\u1ed1p \u0111i s\u1ebd \u0111\u01b0\u1ee3c b\u1ec1 m\u1eb7t \u0111\u1ee7 ch\u1eb7t.<\/p>\n

              – Trong qu\u00e1\u00a0 tr\u00ecnh \u0111\u1ea7m d\u00f9ng d\u1ee5ng c\u1ee5 \u0111\u1ea7m th\u1ee7 c\u00f4ng v\u1ed7 ch\u1eb7t m\u00e1i ta luy x\u00e9n b\u1ecf ph\u1ea7n \u0111\u1ea5t \u0111\u1eafp th\u1eeba theo ga \u0111\u00e3 l\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c c\u1ee7a m\u00e1i taluy theo y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

              N\u1ebfu ph\u1ea3i d\u00f9ng c\u00e1c lo\u1ea1i \u0111\u1ea5t kh\u00e1c nhau \u0111\u1ec3 \u0111\u1eafp tr\u00ean c\u00f9ng m\u1ed9t \u0111o\u1ea1n n\u1ec1n \u0111\u01b0\u1eddng th\u00ec ph\u1ea3i tu\u00e2n theo c\u00e1c nguy\u00ean t\u1eafc sau:<\/p>\n

              + \u0110\u1ea5t kh\u00e1c nhau ph\u1ea3i \u0111\u1eafp th\u00e0nh l\u1edbp n\u1eb1m ngang kh\u00e1c nhau.<\/p>\n

              + N\u1ebfu \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc t\u1ed1t (\u0111\u1ea5t c\u00e1t, \u00e1 c\u00e1t) \u0111\u1eafp tr\u00ean \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc kh\u00f3 (s\u00e9t, \u00e1 s\u00e9t) th\u00ec b\u1ec1 m\u1eb7t l\u1edbp tho\u00e1t n\u01b0\u1edbc kh\u00f3 ph\u1ea3i d\u1ed1c nghi\u00eang sang hai b\u00ean v\u1edbi \u0111\u1ed9 d\u1ed1c kh\u00f4ng nh\u1ecf h\u01a1n 4% \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc trong l\u1edbp \u0111\u1ea5t tr\u00ean tho\u00e1t ra ngo\u00e0i d\u1ec5 d\u00e0ng.<\/p>\n

              + N\u1ebfu \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc t\u1ed1t \u0111\u1eafp d\u01b0\u1edbi l\u1edbp \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc kh\u00f3 th\u00ec b\u1ec1 m\u1eb7t l\u1edbp d\u01b0\u1edbi c\u00f3 th\u1ec3 b\u1eb1ng ph\u1eb3ng.<\/p>\n

              + Kh\u00f4ng d\u00f9ng \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc kh\u00f3 (\u0111\u1ea5t s\u00e9t) bao quanh, b\u00edt k\u00edn lo\u1ea1i \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc t\u1ed1t (\u0111\u1ea5t c\u00e1t, \u0111\u1ea5t \u00e1 c\u00e1t).<\/p>\n

              + C\u0103n c\u1ee9 v\u00e0o y\u00eau c\u1ea7u c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 \u1ed5n \u0111\u1ecbnh m\u00e0 x\u1ebfp \u0111\u1eb7t c\u00e1c l\u1edbp \u0111\u1ea5t, \u0111\u1ea5t \u1ed5n \u0111\u1ecbnh t\u1ed1t v\u1edbi n\u01b0\u1edbc n\u00ean \u0111\u1eafp \u1edf l\u1edbp tr\u00ean. Khi d\u00f9ng \u0111\u1ea5t s\u00e9t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng v\u00e0o m\u00f9a m\u01b0a, t\u1ed1t nh\u1ea5t l\u00e0 c\u00f3 nh\u1eefng l\u1edbp tho\u00e1t n\u01b0\u1edbc t\u1ed1t d\u00e0y 10-20cm xen k\u1ebd \u1edf gi\u1eefa \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc trong n\u1ec1n \u0111\u01b0\u1eddng d\u1ec5 d\u00e0ng. B\u1ec1 m\u1eb7t nh\u1eefng l\u1edbp \u0111\u1ea5t tho\u00e1t n\u01b0\u1edbc kh\u00f3 ph\u1ea3i b\u1eb1ng ph\u1eb3ng v\u00e0 d\u1ed1c sang hai b\u00ean \u0111\u1ec3 tr\u00e1nh \u0111\u1ecdng n\u01b0\u1edbc.<\/p>\n

              + Khi d\u00f9ng \u0111\u1ea5t kh\u00e1c nhau \u0111\u1eafp tr\u00ean nh\u1eefng \u0111o\u1ea1n kh\u00e1c nhau th\u00ec nh\u1eefng ch\u1ed7 n\u1ed1i ph\u1ea3i \u0111\u1eafp th\u00e0nh m\u1eb7t nghi\u00eang \u0111\u1ec3 qu\u00e1 \u0111\u1ed9 t\u1eeb l\u1edbp n\u00e0y sang l\u1edbp kh\u00e1c tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng l\u00fan kh\u00f4ng \u0111\u1ec1u.<\/p>\n

              \u00a0\u00a0\u00a0 + Khi \u0111\u1eafp \u0111\u1ea5t c\u1ea7n \u0111\u1eafp t\u1eebng l\u1edbp v\u00e0 \u0111\u1ea7m \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t c\u1ea7n thi\u1ebft.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – Trong c\u00f4ng t\u00e1c \u0111\u1eafp \u0111\u1ea5t th\u00ec vi\u1ec7c kh\u1ed1ng ch\u1ebf \u0111\u1ed9 \u1ea9m c\u1ee7a \u0111\u1ea5t l\u00e0 quan tr\u1ecdng nh\u1ea5t. Ph\u1ea7n l\u1edbn c\u00e1c kh\u00f3 kh\u0103n khi\u1ebfn cho thi c\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c ho\u1eb7c thi c\u00f4ng ch\u1eadm v\u00e0 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u l\u00e0 do \u0111\u1ed9 \u1ea9m \u0111\u1ea5t kh\u00f4ng th\u00edch h\u1ee3p. V\u00ec v\u1eady c\u1ea7n t\u00edch c\u1ef1c c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 \u0111\u1ed9 \u1ea9m thi\u00ean nhi\u00ean c\u1ee7a \u0111\u1ea5t \u0111\u1eafp ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 \u1ea9m cho ph\u00e9p. Trong khi thi c\u00f4ng ph\u1ea3i lu\u00f4n gi\u1eef n\u01a1i l\u1ea5y \u0111\u1ea5t v\u00e0 m\u1eb7t b\u1eb1ng \u0111\u1eafp \u0111\u1ea5t \u0111\u01b0\u1ee3c kh\u00f4 r\u00e1o b\u1eb1ng c\u00e1ch\u00a0 l\u00e0m c\u00e1c r\u00e3nh tho\u00e1t n\u01b0\u1edbc, \u0111\u1eafp ng\u0103n kh\u00f4ng cho n\u01b0\u1edbc ch\u1ea3y tr\u00e0n v\u00e0o… Tr\u01b0\u1edbc khi \u0111\u1ea7m ph\u1ea3i ki\u1ec3m tra l\u1ea1i \u0111\u1ed9 \u1ea9m c\u1ee7a \u0111\u1ea5t n\u1ebfu kh\u00f4ng \u0111\u1ee7 \u1ea9m th\u00ec t\u01b0\u1edbi n\u01b0\u1edbc, c\u00f2n n\u1ebfu qu\u00e1 \u1ea9m th\u00ec ph\u1ea3i hong kh\u00f4 \u0111\u1ec3 \u0111\u01b0a v\u1ec1 \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft. Qu\u00e1 tr\u00ecnh \u0111\u1ea7m n\u00e9n n\u1ec1n \u0111\u1eafp ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf \u0111\u1ed9 \u1ea9m \u0111\u1ea5t \u0111\u1eafp g\u1ea7n v\u1edbi \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t .<\/p>\n

              * \u0110\u1ed1i v\u1edbi t\u1ea1i v\u1ecb tr\u00ed c\u1ed1ng th\u00ec qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i tu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u sau:<\/em><\/strong><\/p>\n

              + Khi \u0111\u1eafp \u0111\u1ea5t \u1edf c\u1ed1ng c\u1ea7n ch\u00fa \u00fd \u0111\u1ea3m b\u1ea3o trong qu\u00e1 tr\u00ecnh thi c\u00f4ng hay trong s\u1eed d\u1ee5ng sau n\u00e0y c\u00e1c \u1ed1ng c\u1ed1ng kh\u00f4ng b\u1ecb l\u1ef1c \u0111\u1ea9y ngang l\u00e0m thay \u0111\u1ed5i v\u1ecb tr\u00ed. Mu\u1ed1n v\u1eady, ph\u1ea3i \u0111\u1ed3ng th\u1eddi \u0111\u1eafp t\u1eebng l\u1edbp m\u1ecfng (d\u00e0y 15- 20cm) \u1edf hai b\u00ean c\u1ed1ng v\u00e0 \u0111\u1ed3ng th\u1eddi \u0111\u1ea7m ch\u1eb7t, k\u00edch th\u01b0\u1edbc ph\u1ea7n \u0111\u1eafp \u0111\u1ea5t tho\u1ea3 m\u00e3n cho \u0111\u1ed9 r\u1ed9ng m\u1ed7i b\u00ean \u1ed1ng c\u1ed1ng l\u1edbn h\u01a1n hai l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng c\u1ed1ng.<\/p>\n

              + \u0110\u1ea5t \u0111\u1eafp tr\u00ean c\u1ed1ng ph\u1ea3i \u0111\u1ea7m ch\u1eb7t \u0111\u00fang \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u, \u0111\u1ea3m b\u1ea3o l\u00fan \u0111\u1ec1u v\u1edbi \u0111\u1ea5t \u1edf hai b\u00ean hay \u0111\u1ed9 l\u00fan ph\u1ea3i \u00edt nh\u1ea5t.<\/p>\n

              + Khi \u0111\u1ea7m c\u1ea7n ch\u00fa \u00fd gi\u1eef cho l\u1edbp ph\u00f2ng n\u01b0\u1edbc c\u1ee7a c\u1ed1ng kh\u1ecfi b\u1ecb h\u1ecfng. \u0110\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u1eafp t\u1ed1t nh\u1ea5t l\u00e0 \u0111\u1ea5t c\u00e1t c\u00f3 h\u00e0m l\u01b0\u1ee3ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng s\u00e9t 10%. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc d\u1ec5 d\u00e0ng kh\u00f4ng n\u00ean d\u00f9ng \u0111\u1ea5t s\u00e9t \u0111\u1ec3 \u0111\u1eafp.<\/p>\n

              + \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng cho c\u00e1c t\u1ed5 \u0111\u1ed9i kh\u00e1c trong qu\u00e1 tr\u00ecnh thi c\u00f4ng Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng 1\/2 chi\u1ec1u d\u00e0i c\u1ed1ng ph\u00eda h\u1ea1 l\u01b0u tr\u01b0\u1edbc , ph\u1ea7n n\u1ec1n c\u00f2n l\u1ea1i ph\u1ee5c v\u1ee5 giao th\u00f4ng. Khi thi c\u00f4ng \u0111o\u1ea1n c\u1ed1ng c\u00f2n l\u1ea1i th\u00ec ph\u1ea7n \u0111\u00e3 thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng xe, l\u01b0u \u00fd n\u1ebfu chi\u1ec1u d\u00e0i \u0111\u00f3 kh\u00f4ng \u0111\u1ee7 1 l\u00e0n xe Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh n\u1ed1i th\u00eam c\u1ed1ng r\u1ed3i \u0111\u1eafp c\u1ea1p n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ee7 b\u1ec1 r\u1ed9ng 1 l\u00e0n \u0111\u01b0\u1eddng ph\u1ee5c v\u1ee5 giao th\u00f4ng.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0 5. B\u1ed1 tr\u00ed v\u1eadt li\u1ec7u th\u1eeba<\/em><\/strong><\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. M\u00f4 t\u1ea3 c\u00f4ng vi\u1ec7c<\/em><\/strong><\/p>\n

              – Do kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ea5t \u0111\u00e0o (t\u1eeb c\u00f4ng t\u00e1c \u0111\u00e0o n\u1ec1n \u0111\u01b0\u1eddng) l\u00e0 r\u1ea5t l\u1edbn n\u00ean vi\u1ec7c t\u1eadp k\u1ebft v\u00e0 \u0111\u1ed5 \u0111\u1ea5t th\u1eeba ra b\u00e3i th\u1ea3i ho\u1eb7c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1ed5 \u0111\u1ea5t l\u00e0 c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc.<\/p>\n

              – C\u00f4ng vi\u1ec7c n\u00e0y bao g\u1ed3m vi\u1ec7c b\u1ed1 tr\u00ed ch\u1ed7 \u0111\u1ed5 v\u1eadt li\u1ec7u th\u1eeba theo y\u00eau c\u1ea7u c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              – Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed t\u1eadp k\u1ebft v\u1eadt li\u1ec7u th\u1eeba do Nh\u00e0 th\u1ea7u l\u1ef1a ch\u1ecdn v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

               <\/p>\n

              \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 b. C\u00e1c y\u00eau c\u1ea7u trong thi c\u00f4ng<\/em><\/strong><\/p>\n

              – M\u1ecdi v\u1eadt li\u1ec7u th\u1eeba ra \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 \u0111\u01b0a v\u00e0o thi c\u00f4ng n\u1ec1n \u0111\u1eafp ho\u1eb7c san ph\u1eb3ng m\u00e1y taluy m\u1ed9t c\u00e1ch \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111i theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              – Nh\u00e0 th\u1ea7u s\u1ebd tr\u00ecnh Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u1ec1 v\u1ecb tr\u00ed v\u00e0 gi\u1edbi h\u1ea1n m\u00e0 Nh\u00e0 th\u1ea7u \u0111\u1ec1 ngh\u1ecb s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ed5 \u0111\u1ea5t th\u1eeba tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u c\u00f4ng vi\u1ec7c \u0111\u00e0o \u0111\u1ea5t \u1edf b\u1ea5t c\u1ee9 m\u1ed9t khu v\u1ef1c n\u00e0o tr\u00ean c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

              – Nh\u00e0 th\u1ea7u kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p th\u1ea3i n\u01b0\u1edbc, r\u00e1c b\u1ea9n, \u0111\u1ed5 v\u1eadt li\u1ec7u th\u1eeba l\u00e0m h\u01b0 h\u1ecfng \u0111\u1ea5t n\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c lo\u1ea1i \u0111\u1ea5t tr\u1ed3ng kh\u00e1c (n\u1ebfu c\u00f3).<\/p>\n

              – \u0110\u1ea5t th\u1ea3i ph\u1ea3i \u0111\u1ed5 \u1edf nh\u1eefng n\u01a1i tr\u0169ng t\u1ef1 nhi\u00ean nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m c\u1ea3n tr\u1edf \u0111\u1ebfn d\u00f2ng ch\u1ea3y v\u00e0 vi\u1ec7c tho\u00e1t l\u0169 v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e9p c\u1ee7a Ch\u1ee7 s\u1edf h\u1eefu. Khi ho\u00e0n th\u00e0nh c\u00f4ng tr\u00ecnh Nh\u00e0 th\u1ea7u ph\u1ea3i san ph\u1eb3ng ho\u1eb7c n\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i tr\u1ed3ng c\u1ecf gia c\u1ed1.<\/p>\n

              – N\u1ebfu v\u1eadt li\u1ec7u th\u1eeba \u0111\u01b0\u1ee3c \u0111\u1ed5 xu\u1ed1ng n\u01b0\u1edbc th\u00ec Nh\u00e0 th\u1ea7u ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 tho\u1ea3 thu\u1eadn v\u1edbi c\u00e1c c\u01a1 quan ch\u1ee9c n\u0103ng v\u00e0 ch\u00ednh quy\u1ec1n, c\u01a1 quan gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng,\u2026<\/p>\n

              – \u1ede nh\u1eefng v\u1ecb tr\u00ed n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o \u0111\u1ea5t th\u1eeba ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u1ec1 ph\u00eda th\u1ea5p c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5 li\u00ean t\u1ee5c m\u00e0 ph\u1ea3i \u0111\u1ed5 c\u00e1ch qu\u00e3ng. M\u1ecdi \u0111\u1ed1ng \u0111\u1ea5t \u0111\u1ed5 ph\u1ea3i sao cho b\u1ea3o \u0111\u1ea3m \u0111\u01b0\u1ee3c nh\u1eefng \u0111\u1ed1ng \u0111\u1ea5t \u1ea5y kh\u00f4ng l\u00e0m c\u1ea3n tr\u1edf \u0111\u1ebfn c\u00f4ng vi\u1ec7c \u0111\u00e0o \u0111o\u1ea1n ti\u1ebfp theo v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c m\u1ecdi s\u1ef1 s\u1ee5t l\u1edf, c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ea1i n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e3 l\u00e0m. Nh\u1eefng \u0111\u1ed1ng \u0111\u1ea5t \u0111\u1ed5 ph\u1ea3i kh\u00f4ng g\u00e2y h\u01b0 h\u1ea1i t\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh, trang tr\u1ea1i, c\u00e1c t\u00e0i s\u1ea3n kh\u00e1c v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n

              – Tr\u1eeb khi c\u00f3 c\u00e1c y\u00eau c\u1ea7u kh\u00e1c \u0111i m\u1ecdi v\u1eadt li\u1ec7u kh\u00f4ng s\u1eed d\u1ee5ng ho\u1eb7c ch\u01b0a s\u1eed d\u1ee5ng c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p t\u1eadp k\u1ebft tr\u00ean m\u00e1i d\u1ed1c ho\u1eb7c l\u1ec1 \u0111\u01b0\u1eddng ph\u00eda taluy \u00e2m.<\/p>\n

              III. C\u00d4NG T\u00c1C KI\u1ec2M TRA V\u00c0 NGHI\u1ec6M THU<\/strong><\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Ki\u1ec3m tra vi\u1ec7c san g\u1ea1t m\u1eb7t b\u1eb1ng:<\/u><\/em><\/strong><\/p>\n

              C\u1ee9 1000m2<\/sup> ki\u1ec3m tra t\u1eeb 3 \u0111i\u1ec3m tr\u1edf l\u00ean, ph\u00e2n b\u1ed5 \u0111\u1ec1u v\u00e0 r\u1ea3i r\u00e1c theo c\u00e1c n\u1ed9i dung sau:<\/p>\n

              – Chi\u1ec1u d\u00e0y l\u1edbp \u0111\u1ea5t san g\u1ea1t, b\u00f3c l\u1edbp h\u1eefu c\u01a1.<\/p>\n

              – Ch\u1ea5t l\u01b0\u1ee3ng l\u1edbp \u0111\u1ea5t n\u1ec1n, sau khi san g\u1ea1t l\u1edbp ph\u1ee7 v\u1ec1 lo\u1ea1i \u0111\u1ea5t, \u0111\u1ed9 \u1ea9m, \u0111\u1ed9 ch\u1eb7t…<\/p>\n

              – N\u1ebfu ph\u00e1t hi\u1ec7n th\u1ea5y l\u1edbp \u0111\u1ea5t n\u1ec1n sau khi san g\u1ea1t l\u1edbp ph\u1ee7 kh\u00f4ng tho\u1ea3 m\u00e3n c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u1eb7t, \u0111\u1ed9 s\u1ec7t B>0,5 ho\u1eb7c c\u00f3 l\u1edbp \u0111\u1ea5t y\u1ebfu \u1edf b\u00ean d\u01b0\u1edbi c\u00f3 quy\u1ec1n th\u00f4ng b\u00e1o cho Ch\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u1ec3 l\u00e0m ph\u00e1t sinh.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Ki\u1ec3m tra x\u1eed l\u00fd n\u1ec1n \u0111\u1ea5t y\u1ebfu:<\/u><\/em><\/strong><\/p>\n

              Vi\u1ec7c thi c\u00f4ng x\u1eed l\u00fd n\u1ec1n \u0111\u1ea5t y\u1ebfu ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra theo c\u00e1c n\u1ed9i dung theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt quy \u0111\u1ecbnh, tr\u01b0\u1eddng h\u1ee3p h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt kh\u00f4ng quy \u0111\u1ecbnh c\u1ee5 th\u1ec3, th\u00ec d\u1ef1a v\u00e0o quy m\u00f4, t\u00ednh ch\u1ea5t c\u1ee7a bi\u1ec7n ph\u00e1p x\u1eed l\u00fd m\u00e0 quy\u1ebft \u0111\u1ecbnh n\u1ed9i dung, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00f4ng t\u00e1c x\u1eed l\u00fd.<\/p>\n

              3. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea5t \u0111\u1eafp:<\/u><\/em><\/strong><\/p>\n

              D\u00f9ng \u0111\u1ea5t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng ph\u1ea3i l\u1ea5y th\u00ed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00e1c ph\u1ea3i ki\u1ec3m tra x\u00e1c minh c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 tr\u00ecnh Ch\u1ee7 \u0111\u1ea7u t\u01b0, khi c\u00f3 v\u0103n b\u1ea3n th\u1ed1ng nh\u1ea5t m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng.<\/p>\n

              M\u1ed7i lo\u1ea1i \u0111\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u1eafp ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 2 th\u00ed nghi\u1ec7m.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. Ki\u1ec3m tra tr\u1ecb s\u1ed1 <\/u><\/em><\/strong>g<\/u><\/em><\/strong>Cmax<\/sub><\/u><\/em><\/strong><\/p>\n

              – Tr\u1ecb s\u1ed1 tr\u00ean theo y\u00eau c\u1ea7u c\u1ee7a k\u1ef9 thu\u1eadt. Nh\u01b0ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ea5t \u0111\u1eafp l\u1edbn th\u00ec c\u1ee9 2.000 m3<\/sup>, ho\u1eb7c theo ch\u1ec9 d\u1eabn c\u1ee7a gi\u00e1m s\u00e1t \u0111\u1ec1u ph\u1ea3i l\u00e0m th\u00ed nghi\u1ec7m \u0111\u1ea7m n\u00e9n x\u00e1c minh l\u1ea1i gCmax<\/sub>.<\/p>\n

              – M\u1ed7i l\u1ea7n th\u00ed nghi\u1ec7m x\u00e1c minh c\u0169ng ph\u1ea3i th\u1ef1c hi\u1ec7n 3 th\u00ed nghi\u1ec7m.<\/p>\n

              – X\u00e1c \u0111\u1ecbnh tr\u1ecb s\u1ed1 tr\u00ean ti\u1ebfn h\u00e0nh tr\u00ean d\u1ee5ng c\u1ee5 \u0111\u1ea7m n\u00e9n ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u 5 m\u1eabu v\u1edbi \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5. Ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u1ee7a \u0111\u1ea5t \u0111\u1eafp:<\/u><\/em><\/strong><\/p>\n

              \u0110\u1ed9 ch\u1eb7t ph\u1ea3i ki\u1ec3m tra theo t\u1eebng l\u1edbp, nh\u1ea5t thi\u1ebft kh\u00f4ng thi c\u00f4ng \u1ed3 \u1ea1t, kh\u1ed1i l\u01b0\u1ee3ng ki\u1ec3m tra nh\u01b0 sau:<\/p>\n

              T\u1ea1i c\u00e1c v\u1ecb tr\u00ed th\u00f4ng th\u01b0\u1eddng c\u1ee9 250 md ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t m\u1ed9t t\u1ed5 h\u1ee3p 03 m\u1eabu b\u1ea5t k\u00ec theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

              Hai b\u00ean th\u00e2n c\u1ed1ng, tr\u00ean \u0111\u1ec9nh c\u1ed1ng c\u1ee9 m\u1ed7i l\u1edbp \u0111\u1eafp 30cm ki\u1ec3m tra 1-3 \u0111i\u1ec3m<\/p>\n

              Ch\u1ed7 ti\u1ebfp gi\u00e1p gi\u1eefa 2 \u0111\u01a1n v\u1ecb thi c\u00f4ng ki\u1ec3m tra 5 \u0111i\u1ec3m d\u1ecdc theo m\u1ed1i ti\u1ebfp gi\u00e1p.<\/p>\n

              T\u1ea1i m\u1ed9t \u0111i\u1ec3m ki\u1ec3m tra, th\u00ed nghi\u1ec7m 2 m\u1eabu \u1edf 2 \u0111\u1ed9 s\u00e2u, m\u1ed9t n\u1eeda \u1edf tr\u00ean v\u00e0 m\u1ed9t n\u1eeda \u1edf d\u01b0\u1edbi l\u1edbp \u0111\u1eafp.<\/p>\n

              \u0110\u1ed1i v\u1edbi n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o c\u0169ng ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 n\u1ec1n \u0111\u01b0\u1eddng b\u1eb1ng t\u1ea5m \u00e9p c\u1ee9ng c\u1ee9 250m ki\u1ec3m tra m\u1ed9t \u0111i\u1ec3m.<\/p>\n

              C\u00e1c \u0111i\u1ec3m ki\u1ec3m tra b\u1ed1 tr\u00ed \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

              6. Ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra:<\/u><\/em><\/strong><\/p>\n

              Tu\u1ef3 theo lo\u1ea1i \u0111\u1ea5t, vi\u1ec7c x\u00e1c \u0111\u1ecbnh tr\u1ecb s\u1ed1 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch kh\u00f4 th\u1ef1c hi\u1ec7n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p sau:<\/p>\n

              – Ph\u01b0\u01a1ng ph\u00e1p th\u01b0\u1eddng \u00e1p d\u1ee5ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t. \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c.<\/p>\n

              – \u0110\u1ed1i v\u1edbi \u0111\u1ea5t \u00e1 c\u00e1t (\u0111\u1ea5t c\u00f3 ch\u1ec9 s\u1ed1 d\u1ebbo nh\u1ecf h\u01a1n 7) v\u00e0 c\u00e1c lo\u1ea1i c\u00e1t, d\u00f9ng phao th\u1eed \u0111\u1ed9 ch\u1eb7t, ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p dao v\u00f2ng theo quy tr\u00ecnh: QT1475Q\u0110; QT1054.Q\u0110KT.<\/p>\n

              – \u0110\u1ed1i v\u1edbi c\u00e1c l\u1ee3i \u0111\u1ea5t \u00e1 s\u00e9t, \u0111\u1ea5t s\u00e9t d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p dao v\u00f2ng theo QT1457Q\u0110.<\/p>\n

              – \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1ea5t l\u1eabn s\u1ecfi s\u1ea1n m\u00e0 dao v\u00f2ng kh\u00f4ng l\u1ea5y m\u1eabu \u0111\u01b0\u1ee3c ph\u1ea3i d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t theo: 22TCN 13-79.<\/p>\n

              – C\u00e1c d\u1ee5ng c\u1ee5 ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c c\u01a1 quan ki\u1ec3m tra hi\u1ec7u ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean theo quy \u0111\u1ecbnh.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7. Quy \u0111\u1ecbnh sai s\u1ed1 v\u1ec1 \u0111\u1ed9 ch\u1eb7t:<\/u><\/em><\/strong><\/p>\n

              – L\u1edbp \u0111\u1ea5t \u0111\u1eafp \u0111\u1ef1\u01a1c coi l\u00e0 \u0111\u1ea1t y\u00eau c\u1ea7u khi c\u00f3 t\u1edbi 90% s\u1ed1 m\u1eabu l\u1ea5y ki\u1ec3m tra \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb quy \u0111\u1ecbnh, 10% s\u1ed1 m\u1eabu c\u00f2n l\u1ea1i ch\u1ec9 th\u1ea5p h\u01a1n tr\u1ecb s\u1ed1 quy \u0111\u1ecbnh 0.01 v\u00e0 ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n r\u1ea3i r\u00e1c.<\/p>\n

              – N\u1ebfu \u0111\u1ed9 ch\u1eb7t kh\u00f4ng \u0111\u1ea3m b\u1ea3o ph\u1ea3i x\u1eed l\u00fd r\u1ed3i ki\u1ec3m tra l\u1ea1i. Ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p thi c\u00f4ng l\u1edbp ti\u1ebfp theo khi l\u1edbp tr\u01b0\u1edbc \u0111\u00e3 ki\u1ec3m tra \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n

              – Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra c\u1ea7n theo d\u00f5i quy tr\u00ecnh lu l\u00e8n v\u00e0 k\u1ebft qu\u1ea3 \u0111\u1ed9 ch\u1eb7t \u0111\u1ea1t \u0111\u01b0\u1ee3c. N\u1ebfu th\u1ea5y c\u00e1c k\u1ebft qu\u1ea3 tr\u00e1i ng\u01b0\u1ee3c nhau gi\u1eefa c\u00f4ng lu v\u00e0 \u0111\u1ed9 ch\u1eb7t ph\u1ea3i t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 t\u00ecm bi\u1ec7n ph\u00e1p x\u1eed l\u00fd.<\/p>\n

              – C\u00f3 th\u1ec3 d\u00f9ng c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u01b0 tru\u1ef3 xuy\u00ean \u0111\u1ed9ng ki\u1ec3m tra s\u01a1 b\u1ed9 tr\u01b0\u1edbc, khi th\u1ea5y c\u00f3 \u0111\u1ee7 kh\u1ea3 n\u0103ng \u0111\u1ea1t y\u00eau c\u1ea7u m\u1edbi ki\u1ec3m tra ch\u00ednh th\u1ee9c theo quy \u0111\u1ecbnh.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u1ec1n \u0111\u01b0\u1eddng khi ho\u00e0n th\u00e0nh:<\/u><\/em><\/strong><\/p>\n

              Khi \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf ph\u1ea3i ki\u1ec3m tra t\u1ed5ng th\u1ec3 theo c\u00e1c n\u1ed9i dung \u0111\u00e3 quy \u0111\u1ecbnh \u1edf quy tr\u00ecnh k\u1ef9 thu\u1eadt thi c\u00f4ng v\u00e0 nghi\u1ec7m thu n\u1ec1n \u0111\u01b0\u1eddng s\u1eaft, \u0111\u01b0\u1eddng b\u1ed9 s\u1ed1 1660.Q\u0110TT.4 c\u1ee7a b\u1ed9 GTVT ban h\u00e0nh v\u00e0 c\u00e1c quy \u0111\u1ecbnh sau:<\/p>\n\n\n\n\n\n\n\n\n\n
              TT<\/em><\/strong><\/td>\nN\u1ed9i dung ki\u1ec3m tra<\/em><\/strong><\/td>\nBi\u1ec7n ph\u00e1p<\/em><\/strong><\/td>\nKh\u1ed1i l\u01b0\u1ee3ng<\/em><\/strong><\/td>\n<\/tr>\n
              \n

              1<\/p>\n<\/td>\n

              		B\u00ecnh \u0111\u1ed3 h\u01b0\u1edbng tuy\u1ebfn<\/td>\nM\u00e1y kinh v\u0129 + Th\u01b0\u1edbc th\u00e9p<\/td>\n\n

              \n<\/td>\n<\/tr>\n

              \n

              2<\/p>\n<\/td>\n

              		Cao \u0111\u1ed9 m\u1eb7t c\u1eaft d\u1ecdc theo tim \u0111\u01b0\u1eddng<\/td>\nM\u00e1y cao \u0111\u1ea1c<\/td>\n\n

              50m 1 c\u1ecdc<\/p>\n<\/td>\n<\/tr>\n

              \n

              3<\/p>\n<\/td>\n

              		C\u00e1c k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u1ee7a b\u00ea t\u00f4ng – \u0111\u1ed9 d\u1ed1c taluy<\/td>\nTh\u01b0\u1edbc th\u00e9p<\/td>\n\n

              50m 1 c\u1ecdc<\/p>\n<\/td>\n<\/tr>\n

              \n

              4<\/p>\n<\/td>\n

              		Si\u00eau cao<\/td>\nM\u00e1y thu\u1ef7 b\u00ecnh<\/td>\n\n

              5 m\u1eb7t c\u1eaft<\/p>\n

              1 \u0111\u01b0\u1eddng cong<\/p>\n<\/td>\n<\/tr>\n

              \n

              5<\/p>\n<\/td>\n

              		\u0110\u1ed9 b\u1eb1ng ph\u1eb3ng c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 c\u1ee7a m\u00e1i taluy<\/td>\nTh\u01b0\u1edbc 3m<\/td>\n\n

              50m 1\u0111i\u1ec3m<\/p>\n<\/td>\n<\/tr>\n

              \n

              6<\/p>\n<\/td>\n

              		Ki\u1ec3m tra vi\u1ec7c tr\u1ed3ng c\u1ecf, x\u00e2y \u1ed1p m\u00e1i ta luy b\u1ea3o v\u1ec7<\/td>\nC\u00e1c bi\u1ec7n ph\u00e1p th\u00f4ng th\u01b0\u1eddng<\/td>\n\n

              \n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Sai s\u1ed1 \u0111\u1ed1i v\u1edbi t\u1eebng ch\u1ec9 ti\u00eau theo quy \u0111\u1ecbnh c\u1ee7a b\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y:<\/em><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
              TT<\/em><\/strong><\/td>\nT\u00ean ch\u1ec9 ti\u00eau ki\u1ec3m tra<\/em><\/strong><\/td>\n\n

              Gi\u00e1 tr\u1ecb sai s\u1ed1 cho ph\u00e9p<\/em><\/strong><\/p>\n<\/td>\n<\/tr>\n

              1<\/td>\nH\u01b0\u1edbng tuy\u1ebfn theo tim \u0111\u01b0\u1eddng (nh\u01b0ng kh\u00f4ng t\u1ea1o th\u00eam \u0111\u01b0\u1eddng cong ph\u1ee5)<\/td>\n\n

              10 cm<\/p>\n<\/td>\n<\/tr>\n

              2<\/td>\nCao \u0111\u1ed9 tr\u1eafc d\u1ecdc tim \u0111\u01b0\u1eddng. Nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u00e0m t\u0103ng th\u00eam \u0111\u1ed9 d\u1ed1c d\u1ecdc qu\u00e1 0.5% v\u00e0 ch\u1ec9 \u0111\u01b0\u1ee3c sai s\u1ed1 c\u1ee5c b\u1ed9 \u0111\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c l\u00e0m gi\u1ea3m m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng chi\u1ec1u d\u00e0y m\u1eb7t \u0111\u01b0\u1eddng.<\/td>\n\n

              \u00b1 2 cm<\/p>\n<\/td>\n<\/tr>\n

              3<\/td>\n\u0110\u1ed9 b\u1eb1ng ph\u1eb3ng c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng (\u0111\u1ed9 l\u1ed3i l\u00f5m tr\u00ean chi\u1ec1u d\u00e0i thu\u1ed9c 3m)<\/td>\n\n

              5 cm<\/p>\n<\/td>\n<\/tr>\n

              4<\/td>\nB\u1ec1 r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebfu h\u1ee5t qu\u00e1<\/td>\n\n

              \u00b110 cm<\/p>\n<\/td>\n<\/tr>\n

              5<\/td>\n\u0110\u1ed9 d\u1ed1c ngang n\u1ec1n \u0111\u01b0\u1eddng kh\u00f4ng qu\u00e1<\/td>\n\n

              5%<\/p>\n<\/td>\n<\/tr>\n

              6<\/td>\nM\u1ee9c \u0111\u1ed9 t\u0103ng d\u1ed1c taluy (t\u00ednh theo % so v\u1edbi \u0111\u1ed9 d\u1ed1c taluy thi\u1ebft k\u1ebf):<\/p>\n

              –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Khi chi\u1ec1u cao \u0111\u1eafp d\u01b0\u1edbi 2m<\/p>\n

              –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Khi chi\u1ec1u cao \u0111\u1eafp 2 \u2013 6m<\/p>\n

              –\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Khi chi\u1ec1u cao \u0111\u1eafp tr\u00ean 6m<\/p>\n<\/td>\n

              		\n

              7%<\/p>\n

              4%<\/p>\n

              2%<\/p>\n<\/td>\n<\/tr>\n

              7<\/td>\n\u0110\u1ed9 b\u1eb1ng ph\u1eb3ng c\u1ee7a m\u1eb7t taluy tr\u00ean chi\u1ec1u d\u00e0i th\u01b0\u1edbc 3m<\/td>\n\n

              5 cm<\/p>\n<\/td>\n<\/tr>\n

              8<\/td>\nC\u00e1c k\u00edch th\u01b0\u1edbc c\u1ee7a r\u00e3nh d\u1ecdc (nh\u01b0ng ch\u1ec9 l\u00e0 c\u1ee5c b\u1ed9)<\/td>\n\n

              \u00b1 5 cm<\/p>\n<\/td>\n<\/tr>\n

              9<\/td>\n\u0110\u1ed9 d\u1ed1c d\u1ecdc (t\u00ednh theo % so v\u1edbi \u0111\u1ed9 d\u1ed1c thi\u1ebft k\u1ebf) kh\u00f4ng qu\u00e1<\/td>\n\n

              0.25%<\/p>\n<\/td>\n<\/tr>\n

              10<\/td>\nL\u01b0\u1ee3ng m\u1eabu c\u00f3 \u0111\u1ed9 ch\u1eb7t nh\u1ecf h\u01a1n 1% \u0111\u1ed9 ch\u1eb7t thi\u1ebft k\u1ebf l\u01b0\u1ee3ng m\u1eabu kh\u00f4ng qu\u00e1<\/td>\n\n

              5%<\/p>\n<\/td>\n<\/tr>\n

              11<\/td>\nC\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng (E)<\/td>\n\n

              Kh\u00f4ng \u0111\u01b0\u1ee3c th\u1ea5p h\u01a1n tr\u1ecb s\u1ed1 T.K (Etk<\/sub>\u00ad)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              – C\u00e1c sai s\u1ed1 cho ph\u00e9p n\u00eau \u1edf b\u1ea3ng tr\u00ean l\u00e0 gi\u00e1 tr\u1ecb cho ph\u00e9p t\u1ed1i \u0111a, ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p sai s\u00f3t c\u1ee5c b\u1ed9 kh\u00f4ng qu\u00e1 5% s\u1ed1 \u0111i\u1ec3m ki\u1ec3m tra v\u00e0 ph\u1ea3i n\u1eb1m ph\u00e2n t\u00e1n, kh\u00f4ng \u0111\u01b0\u1ee3c t\u1eadp trung t\u1ea1i m\u1ed9t v\u00f9ng.<\/p>\n

              Nghi\u1ec7m thu \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng:<\/p>\n

              – Tr\u01b0\u1edbc khi thi c\u00f4ng l\u1edbp m\u00f3ng \u0111\u01b0\u1eddng ph\u1ea3i nghi\u1ec7m thu \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

              – C\u00f4ng vi\u1ec7c nghi\u1ec7m thu ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh khi c\u00e1c n\u1ed9i dung ki\u1ec3m tra \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea1t y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

              – K\u1ebft th\u00fac c\u00f4ng vi\u1ec7c ph\u1ea3i l\u1eadp bi\u00ean b\u1ea3n nghi\u1ec7m thu chuy\u1ec3n b\u01b0\u1edbc c\u00f4ng \u0111o\u1ea1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng vi\u1ec7c ti\u1ebfp theo.<\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

              CH\u01af\u01a0NG 2<\/u><\/p>\n

              THI C\u00d4NG M\u1eb6T \u0110\u01af\u1edcNG<\/strong><\/p>\n

              I. THI C\u00d4NG L\u1edaP C\u1ea4P PH\u1ed0I S\u1eceI SU\u1ed0I M\u1eb6T \u0110\u01af\u1edcNG 20CM<\/strong><\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u ph\u1ed1i s\u1ecfi su\u1ed1i (CPSS):<\/em><\/strong><\/p>\n

              C\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i l\u00e0 m\u1ed9t h\u1ed7n h\u1ee3p c\u1ed1t li\u1ec7u, c\u00f3 c\u1ea5u tr\u00fac th\u00e0nh ph\u1ea7n h\u1ea1t theo nguy\u00ean l\u00fd c\u1ea5p ph\u1ed1i ch\u1eb7t li\u00ean t\u1ee5c g\u1ed3m c\u00f3 c\u1ea5p ph\u1ed1i s\u1ecfi, cu\u1ed9i c\u00f3 ch\u1ecdn l\u1ecdc v\u00e0 c\u00e1t h\u1ea1t l\u1edbn nh\u1ea5t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 12cm v\u1edbi t\u1ef7 l\u1ec7 <15% th\u00e0nh ph\u1ea7n k\u1ebft c\u1ea5u. K\u1ebft c\u1ea5u \u00e1o \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi Eyc=600 daN\/cm2.<\/p>\n

              To\u00e0n b\u1ed9 v\u1eadt li\u1ec7u c\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb su\u1ed1i N\u1eadm M\u1ea1, v\u1eadn chuy\u1ec3n \u0111\u1ebfn ch\u00e2n c\u00f4ng tr\u00ecnh b\u1eb1ng xe t\u1ef1 \u0111\u1ed5 7-15T.<\/p>\n

              2. Tr\u00ecnh t\u1ef1 thi c\u00f4ng l\u1edbp CPSS:\u00a0 <\/em><\/strong>Tr\u01b0\u1edbc khi thi c\u00f4ng l\u1edbp CPSS th\u00ec v\u1eadt li\u1ec7u c\u1ea5p ph\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c \u0111em \u0111i th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh xem c\u00f3 \u0111\u1ea1t \u0111\u1ec3 \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh kh\u00f4ng, ph\u1ea3i \u0111\u01b0\u1ee3c TVGS hi\u1ec7n tr\u01b0\u1eddng ch\u1ea5p thu\u1eadn m\u1ecf v\u1eadt li\u1ec7u v\u00e0 v\u1eadt li\u1ec7u CPSS.<\/p>\n

              – L\u1edbp CPSS \u0111\u01b0\u1ee3c san r\u1ea3i b\u1eb1ng m\u00e1y san ho\u1eb7c m\u00e1y \u1ee7i, lu l\u00e8n qua ba giai \u0111o\u1ea1n: lu s\u01a1 b\u1ed9 b\u1eb1ng lu t\u0129nh 6-8T, sau lu b\u1eb1ng lu rung \u0111\u1ebfn \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u v\u00e0 giai \u0111o\u1ea1n 3 l\u00e0 lu ho\u00e0n thi\u1ec7n b\u1eb1ng lu t\u0129nh.<\/p>\n

              a. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb:<\/em><\/strong><\/p>\n

              – Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u: C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i m\u1ecf v\u00e0 Nh\u00e0 th\u1ea7u s\u1ebd\u00a0 l\u1ea5y m\u1eabu th\u00ed nghi\u1ec7m v\u1edbi s\u1ef1 gi\u00e1m s\u00e1t c\u1ee7a K\u1ef9 s\u01b0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t hi\u1ec7n tr\u01b0\u1eddng sau \u0111\u00f3 tr\u00ecnh k\u1ebft qu\u1ea3 n\u00e0y n\u1ebfu \u0111\u1ea1t ti\u00eau chu\u1ea9n theo thi\u1ebft k\u1ebf quy \u0111\u1ecbnh \u0111\u1ec1 ngh\u1ecb \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn \u0111\u01b0a v\u1eadt li\u1ec7u v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

              – X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 r\u1ea3i (h\u1ec7 s\u1ed1 l\u00e8n \u00e9p):\u00a0 \u00a0 Kr\u1ea3i = gcmax .( K\/gcTN)<\/p>\n

              Trong \u0111\u00f3: \u00a0\u00a0 gcmax: l\u00e0 dung tr\u1ecdng kh\u00f4 l\u1edbn nh\u1ea5t c\u1ee7a CPSS theo k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u1ea7m n\u00e9n ti\u00eau chu\u1ea9n.<\/p>\n

              K: l\u00e0 \u0111\u1ed9 ch\u1eb7t quy \u0111\u1ecbnh \/98%<\/p>\n

              gcTN: L\u00e0 dung tr\u1ecdng kh\u00f4 c\u1ee7a CPSS ch\u01b0a lu l\u00e8n.<\/p>\n

              Kr\u1ea3i: l\u00e0 h\u1ec7 s\u1ed1 l\u00e8n \u00e9p, t\u1ea1m l\u1ea5y b\u1eb1ng 1,3 h\u1ec7 s\u1ed1 l\u00e8n \u00e9p th\u1ef1c t\u1ebf s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua thi c\u00f4ng \u0111o\u1ea1n th\u00ed \u0111i\u1ec3m.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Chu\u1ea9n b\u1ecb c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 th\u00ed nghi\u1ec7m ki\u1ec3m tra hi\u1ec7n tr\u01b0\u1eddng:<\/em><\/strong><\/p>\n

              Thi\u1ebft b\u1ecb ki\u1ec3m tra bao g\u1ed3m:<\/p>\n

              + B\u1ed9 x\u00fac s\u1eafc kh\u1ed1ng ch\u1ebf chi\u1ec1u d\u00e0y khi san r\u1ea3i v\u1eadt li\u1ec7u.<\/p>\n

              + Th\u01b0\u1edbc 3m ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng.<\/p>\n

              + B\u1ed9 s\u00e0ng ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u1ea1t theo ti\u00eau chu\u1ea9n AASHTO.<\/p>\n

              + C\u00e2n k\u1ef9 thu\u1eadt.<\/p>\n

              + B\u1ed9 th\u00ed nghi\u1ec7m \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng c\u00e1t<\/p>\n

              + Thi\u1ebft b\u1ecb x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ea9m v\u1eadt li\u1ec7u.<\/p>\n

              + B\u1ed9 th\u00ed nghi\u1ec7m r\u00f3t c\u00e1t \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t (x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng kh\u00f4 sau khi \u0111\u1ea7m n\u00e9n).<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Chu\u1ea9n b\u1ecb c\u00e1c thi\u1ebft b\u1ecb thi c\u00f4ng:<\/em><\/strong><\/p>\n

              C\u00e1c thi\u1ebft b\u1ecb thi c\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 kh\u1eb3ng \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n

              + \u00d4t\u00f4 t\u1ef1 \u0111\u1ed5 7-:-15T v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u.<\/p>\n

              + Thi\u1ebft b\u1ecb t\u01b0\u1edbi n\u01b0\u1edbc: Xe St\u00e9c, b\u01a1m c\u00f3 v\u00f2i c\u1ea7m tay, b\u00ecnh t\u01b0\u1edbi n\u01b0\u1edbc th\u1ee7 c\u00f4ng.<\/p>\n

              + M\u00e1y san v\u1eadt li\u1ec7u 110CV.<\/p>\n

              + C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ea7m n\u00e9n: T\u1ed1t nh\u1ea5t l\u00e0 c\u00f3 c\u1ee1 lu b\u00e1nh s\u1eaft c\u1ee1 6 \u2013 8 t\u1ea5n; ngo\u00e0i lu rung ph\u1ea3i c\u00f3 lu t\u0129nh b\u00e1nh s\u1eaft 8 \u2013 10 t\u1ea5n. N\u1ebfu kh\u00f4ng b\u1ed1 tr\u00ed \u0111\u01b0\u1ee3c lu rung, nh\u00e0 th\u1ea7u s\u1ebd thay b\u1eb1ng lu b\u00e1nh l\u1ed1p v\u1edbi t\u1ea3i tr\u1ecdng b\u00e1nh 2,5 \u2013 4 t\u1ea5n\/b\u00e1nh.<\/p>\n

              + Bi\u1ec3n b\u00e1o hi\u1ec7u, r\u00e0o ch\u1eafn an to\u00e0n giao th\u00f4ng.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t:<\/em><\/strong><\/p>\n

              – B\u1ec1 m\u1eb7t tr\u01b0\u1edbc khi r\u1ea3i l\u1edbp CPSS ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t, v\u1eefng ch\u1eafc \u0111\u1ed3ng \u0111\u1ec1u, b\u1eb1ng ph\u1eb3ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c ngang, d\u1ed1c d\u1ecdc theo thi\u1ebft k\u1ebf v\u00e0 l\u1edbp d\u01b0\u1edbi ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec7m thu chuy\u1ec3n giai \u0111o\u1ea1n b\u1eb1ng v\u0103n b\u1ea3n.<\/p>\n

              – Tr\u01b0\u1edbc khi r\u1ea3i l\u1edbp CPSS ph\u1ea3i v\u1ec7 sinh s\u1ea1ch s\u1ebd b\u1ec1 m\u1eb7t n\u1ec1n tr\u01b0\u1edbc khi r\u1ea3i v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a TVGS hi\u1ec7n tr\u01b0\u1eddng m\u1edbi \u0111\u01b0\u1ee3c thi c\u00f4ng.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b. C\u00f4ng ngh\u1ec7 thi c\u00f4ng l\u1edbp c\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i:<\/em><\/strong><\/p>\n

              – Do l\u00e0 tuy\u1ebfn m\u1edbi, ch\u01b0a ph\u1ee5c v\u1ee5 giao th\u00f4ng cho to\u00e0n b\u1ed9 khu v\u1ef1c khi c\u00f4ng tr\u00ecnh ch\u01b0a ho\u00e0n th\u00e0nh b\u00e0n giao \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng n\u00ean nh\u00e0 th\u1ea7u ch\u1ec9 c\u1ea7n \u0111\u1ea3m b\u1ea3o giao th\u00f4ng cho c\u00e1c t\u1ed5 \u0111\u1ed9i tham gia thi c\u00f4ng c\u00f4ng tr\u00ecnh. Thi c\u00f4ng to\u00e0n b\u1ed9 b\u1ec1 r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng (3,0m). Tuy nhi\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n theo quy \u0111\u1ecbnh, nh\u00e0 th\u1ea7u s\u1ebd b\u1ed1 tr\u00ed c\u00f3 h\u1ec7 th\u1ed1ng bi\u1ec3n b\u00e1o, r\u00e0o ch\u1eafn an to\u00e0n giao th\u00f4ng v\u00e0 ng\u01b0\u1eddi \u0111i\u1ec1u khi\u1ec3n giao th\u00f4ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00f4ng tr\u00ecnh.<\/p>\n

              – C\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, \u0111\u1ed9 \u1ea9m; n\u1ebfu kh\u00f4 th\u00ec ph\u1ea3i t\u01b0\u1edbi th\u00eam n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o khi lu l\u00e8n v\u1eadt li\u1ec7u \u0111\u1ea1t \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t. N\u1ebfu v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m thi trong qu\u00e1 tr\u00ecnh san r\u1ea3i ph\u1ea3i t\u01b0\u1edbi th\u00eam n\u01b0\u1edbc, c\u00f4ng vi\u1ec7c t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n

              – D\u00f9ng b\u00ecnh hoa sen \u0111\u1ec3 t\u01b0\u1edbi \u0111\u1ec3 tr\u00e1nh c\u00e1c h\u1ea1t nh\u1ecf tr\u00f4i \u0111i.<\/p>\n

              – D\u00f9ng xe Stec v\u1edbi v\u00f2i phun c\u1ea7m tay ch\u1ebfch l\u00ean tr\u1eddi t\u1ea1o m\u01b0a.<\/p>\n

              – T\u01b0\u1edbi trong khi san r\u1ea3i c\u1ea5p ph\u1ed1i \u0111\u1ec3 n\u01b0\u1edbc th\u1ea5m \u0111\u1ec1u.<\/p>\n

              V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u1edf \u0111\u1ebfn b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5 v\u00e0 \u0111\u1ed5 th\u00e0nh t\u1eebng \u0111\u1ed1ng theo t\u00ednh to\u00e1n. Sau \u0111\u00f3 m\u00e1y san s\u1ebd san \u0111\u1ec1u t\u1ea1o l\u1edbp \u0111\u1ec3 chu\u1ea9n b\u1ecb c\u00f4ng t\u00e1c lu l\u00e8n. Do chi\u1ec1u d\u00e0y c\u1ee7a l\u1edbp \u00e1o \u0111\u01b0\u1eddng l\u00e0 20cm n\u00ean khi thi c\u00f4ng ph\u1ea3i ti\u1ebfn h\u00e0nh r\u1ea3i th\u00e0nh 2 l\u1edbp. Thao t\u00e1c v\u00e0 t\u1ed1c \u0111\u1ed9 sao cho t\u1ea1o m\u1eb7t ph\u1eb3ng kh\u00f4ng g\u1ee3n s\u00f3ng, kh\u00f4ng ph\u00e2n t\u1ea7ng.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * San r\u1ea3i v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

              C\u1ea5p ph\u1ed1i s\u1ecfi su\u1ed1i \u0111\u01b0\u1ee3c san r\u1ea3i b\u1eb1ng m\u00e1y san. Chi\u1ec1u d\u00e0y san r\u1ea3i \u0111\u01b0\u1ee3c nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 \u0111\u1ea7m l\u00e8n K t\u1ea1m l\u1ea5y K=1.3 h\u1ec7 s\u1ed1 th\u1ef1c t\u1ebf theo k\u1ebft qu\u1ea3 r\u1ea3i th\u00ed \u0111i\u1ec3m v\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn c\u1ee7a \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              Trong qu\u00e1 tr\u00ecnh san r\u1ea3i v\u1eadt li\u1ec7u th\u1ea5y c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n t\u1ea7ng, g\u1ee3n s\u00f3ng ho\u1eb7c c\u00f3 nh\u1eefng d\u1ea5u hi\u1ec7u kh\u00f4ng th\u00edch h\u1ee3p th\u00ec ph\u1ea3i t\u00ecm bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c ngay. N\u1ebfu th\u1ea5y hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n t\u1ea7ng l\u1edfp khu v\u1ef1c n\u00e0o th\u00ec ph\u1ea3i tr\u1ed9n l\u1ea1i b\u1eb1ng th\u1ee7 c\u00f4ng, hay ph\u1ea3i thay ngay b\u1eb1ng c\u1ea5p ph\u1ed1i m\u1edbi \u0111\u1ea1t ti\u00eau chu\u1ea9n.<\/p>\n

              Tr\u01b0\u1edbc khi r\u1ea3i v\u1eadt li\u1ec7u l\u1edbp sau, m\u1eb7t c\u1ee7a l\u1edbp tr\u01b0\u1edbc ph\u1ea3i \u0111\u1ee7 \u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean k\u1ebft gi\u1eefa c\u00e1c l\u1edbp c\u0169ng nh\u01b0 tr\u00e1nh h\u01b0 h\u1ecfng c\u1ee7a l\u1edbp m\u1eb7t. V\u00ec v\u1eady ph\u1ea3i thi c\u00f4ng l\u1edbp sau ngay khi l\u1edbp tr\u01b0\u1edbc \u0111\u00e3 thi c\u00f4ng \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 \u0111\u01b0\u1ee3c nghi\u1ec7m thu b\u1eb1ng v\u0103n b\u1ea3n.<\/p>\n

               <\/p>\n

               <\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Lu l\u00e8n v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

              Ngay sau khi r\u1ea3i c\u1ea5p ph\u1ed1i th\u00ec ti\u1ebfn h\u00e0nh \u0111\u1ea7m l\u00e8n ngay v\u1edbi \u0111\u1ed9 ch\u1eb7t t\u1ed1i thi\u1ec3u K=98%, ch\u1ec9 lu l\u00e8n v\u1edbi \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t v\u1edbi sai s\u1ed1 1%.<\/p>\n

              Tr\u00ecnh t\u1ef1 lu l\u00e8n: Lu s\u01a1 b\u1ed9 b\u1eb1ng lu b\u00e1nh s\u1eaft 6-8 t\u1ea5n, sau \u0111\u00f3 d\u00f9ng lu rung b\u00e1nh s\u1eaft c\u1ee1 3- 6 t\u1ea5n\/b\u00e1nh ho\u1eb7c lu rung 14 t\u1ea5n (khi rung \u0111\u1ea1t 25 t\u1ea5n), ti\u1ebfp theo d\u00f9ng lu b\u00e1nh l\u1ed1p lo\u1ea1i 2,5 \u2013 4 t\u1ea5n\/b\u00e1nh, sau c\u00f9ng l\u00e0 lu ph\u1eb3ng l\u1ea1i b\u1eb1ng lu b\u00e1nh s\u1eaft 8 -10 t\u1ea5n.<\/p>\n

              N\u1ebfu kh\u00f4ng c\u00f3 lu rung th\u00ec c\u00f3 th\u1ec3 d\u00f9ng lu b\u00e1nh l\u1ed1p r\u1ed3i sau d\u00f9ng lu b\u00e1nh s\u1eaft lo\u1ea1i n\u1eb7ng 10 \u2013 12 T \u0111\u1ec3 lu ch\u1eb7t.<\/p>\n

              Trong qu\u00e1 tr\u00ecnh lu v\u1eabn c\u1ea7n t\u01b0\u1edbi \u1ea9m nh\u1eb9 \u0111\u1ec3 b\u00f9 l\u1ea1i l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ed1c h\u01a1i v\u00e0 n\u00ean lu\u00f4n gi\u1eef \u1ea9m b\u1ec1 m\u1eb7t l\u1edbp CPSS khi \u0111ang lu l\u00e8n.<\/p>\n

              S\u1ed1 l\u1ea7n \u0111\u1ea7m l\u00e8n c\u0103n c\u1ee9 c\u1ee5 th\u1ec3 v\u00e0o k\u1ebft qu\u1ea3 th\u00ed \u0111i\u1ec3m v\u00e0 lu l\u00e8n t\u1ea1i th\u1ef1c \u0111\u1ecba.<\/p>\n

              Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u1eb7t: Ph\u1ea3i \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t K\u00b30,98 trong c\u1ea3 b\u1ec1 d\u00e0y l\u1edbp. Trong qu\u00e1 tr\u00ecnh lu l\u00e8n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t theo quy \u0111\u1ecbnh.<\/p>\n

              N\u1ebfu sau khi c\u1ea5p CPSS \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea7m l\u00e8n c\u00f3 b\u1ea5t k\u1ef3 m\u1ed9t kho\u1ea3ng n\u00e0o ch\u01b0a \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 ch\u1eb7t v\u00e0 t\u1ef7 l\u1ec7 c\u1ea5p ph\u1ed1i y\u00eau c\u1ea7u, ho\u1eb7c cao h\u01a1n, ho\u1eb7c th\u1ea5p h\u01a1n cao \u0111\u1ed9 thi\u1ebft k\u1ebf, nh\u1eefng kho\u1ea3ng \u1ea5y ph\u1ea3i \u0111\u01b0\u1ee3c x\u1edbi l\u00ean v\u00e0 sau khi \u0111\u00e3 b\u1ed5 sung v\u1eadt li\u1ec7u ho\u1eb7c h\u00f3t b\u1edbt v\u1eadt li\u1ec7u \u0111i, tu\u1ef3 theo tr\u01b0\u1eddng h\u1ee3p , s\u1ebd ph\u1ea3i thi c\u00f4ng l\u1ea1i nh\u01b0 \u0111\u00e3 m\u00f4 t\u1ea3 \u1edf tr\u00ean.<\/p>\n

              M\u00e9p \u0111\u01b0\u1eddng v\u00e0 m\u00e9p taluy ph\u1ea3i \u0111\u01b0\u1ee3c san g\u1ecdt sao cho ph\u00f9 h\u1ee3p v\u1edbi h\u01b0\u1edbng tuy\u1ebfn v\u00e0 k\u00edch th\u01b0\u1edbc ghi trong b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf v\u00e0 \u0111\u01b0\u1eddng n\u00e9t ph\u1ea3i th\u1eadt th\u1eb3ng; g\u1ecdn s\u1ea1ch, kh\u00e9o l\u00e9o, v\u00e0 tr\u00ean m\u00e1i taluy kh\u00f4ng c\u00f2n v\u1eadt li\u1ec7u r\u1eddi \u0111\u1ecdng l\u1ea1i.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 R\u1ea3i<\/em><\/strong> th\u00ed \u0111i\u1ec3m: <\/em><\/strong><\/p>\n

              Tr\u01b0\u1edbc khi thi c\u00f4ng \u0111\u1ea1i tr\u00e0 l\u1edbp CPSS ph\u1ea3i ti\u1ebfn h\u00e0nh r\u1ea3i th\u00ed \u0111i\u1ec3m theo ch\u1ec9 \u0111\u1ecbnh c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

              R\u1ea3i th\u00ed \u0111i\u1ec3m \u0111\u1ec3 nh\u1eb1m \u0111\u00fac r\u00fat kinh nghi\u1ec7m ho\u00e0n ch\u1ec9nh quy tr\u00ecnh v\u00e0 d\u00e2y chuy\u1ec1n c\u00f4ng ngh\u1ec7 tr\u00ean th\u1ef1c t\u1ebf \u1edf t\u1ea5t c\u1ea3 c\u00e1c kh\u00e2u; Chu\u1ea9n b\u1ecb r\u1ea3i v\u00e0 \u0111\u1ea7m n\u00e9n CPSS, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng, ki\u1ec3m tra kh\u1ea3 n\u0103ng th\u1ef1c hi\u1ec7n c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n, xe m\u00e1y, b\u1ea3o d\u01b0\u1ee1ng c\u1ea5p ph\u1ed1i sau khi thi c\u00f4ng\u2026<\/p>\n

              \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ed1 l\u1ea7n lu l\u00e8n th\u00edch h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb lu, \u0111\u01b0a ra \u0111\u01b0\u1ee3c h\u1ec7 s\u1ed1 \u0111\u1ea7m l\u00e8n th\u00edch h\u1ee3p, quan h\u1ec7 gi\u1eefa \u0111\u1ed9 \u1ea9m, s\u1ed1 l\u1ea7n lu, \u0111\u1ed9 ch\u1eb7t. Th\u1ef1c hi\u1ec7n th\u00ed \u0111i\u1ec3m tr\u00ean \u0111\u1ed9 d\u00e0i 50m – 100m v\u1edbi:<\/p>\n

              – L\u00e8n \u00e9p s\u01a1 b\u1ed9: lu t\u0129nh 6-:-8T v\u1edbi 3-:4l\u01b0\u1ee3t\/\u0111i\u1ec3m v\u1edbi V=2-3km\/h.<\/p>\n

              – Lu l\u00e8n ch\u1eb7t: + Lu rung 16-:-24T v\u1edbi 6-:8l\u01b0\u1ee3t\/\u0111i\u1ec3m\u00a0 v\u1edbi V=2-4km\/h.<\/p>\n

              + Lu l\u1ed1p \u00e1p l\u1ef1c b\u00e1nh 6kg\/cm2<\/sup>, tr\u1ecdng t\u1ea3i 2,5-4,0t\u1ea5n\/b\u00e1nh v\u1edbi 10-:- 12 l\u01b0\u1ee3t\/\u0111i\u1ec3m v\u1edbi V=2-4km\/h.<\/p>\n

              – Lu ho\u00e0n thi\u1ec7n: Lu t\u0129nh 8-:-10T v\u1edbi 3-:-4l\u01b0\u1ee3t \/\u0111i\u1ec3m\u00a0 V=4-:-6km\/h.<\/p>\n

              Sau khi k\u1ebft th\u00fac m\u1ed9t lo\u1ea1i lu th\u00ed x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 ch\u1eb7t t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t.<\/p>\n

              Nh\u00e0 th\u1ea7u ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp CPSS sau khi ph\u01b0\u01a1ng ph\u00e1p v\u00e0 tr\u00ecnh t\u1ef1\u00a0 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp trong khi th\u00ed \u0111i\u1ec3m \u0111\u00e3 \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn.<\/p>\n

              * B\u1ea3o d\u01b0\u1ee1ng v\u00e0 th\u00f4ng xe:<\/em><\/strong><\/p>\n

              Th\u01b0\u1eddng xuy\u00ean t\u01b0\u1edbi n\u01b0\u1edbc d\u1eef \u0111\u1ed9 \u1ea9m tr\u00ean m\u1eb7t, kh\u00f4ng \u0111\u1ec3 lo\u1ea1i h\u1ea1t m\u1ecbn b\u1ed1c b\u1ee5i, vi\u1ec7c t\u01b0\u1edbi \u1ea9m \u0111\u01b0\u1ee3c t\u01b0\u1edbi v\u00e0o b\u1ea5t k\u1ef3 th\u1eddi \u0111i\u1ec3m n\u00e0o m\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t y\u00eau c\u1ea7u v\u00e0 ng\u1eebng tr\u01b0\u1edbc v\u00e0i ng\u00e0y tr\u01b0\u1edbc khi t\u01b0\u1edbi th\u1ea5m b\u00e1m.<\/p>\n

              \u0110\u1ed1i v\u1edbi l\u1edbp m\u00f3ng tr\u00ean v\u00e0 trong \u0111i\u1ec1u ki\u1ec7n c\u1ea7n \u0111\u1ea3m b\u1ea3o giao th\u00f4ng ngay ph\u1ea3i nhanh ch\u00e1ng l\u00e0m l\u1edbp nh\u1ef1a th\u1ea5m tr\u00ean m\u1eb7t l\u1edbp CPSS.<\/p>\n

              Khi \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd ch\u1ea5p thu\u1eadn c\u1ee7a \u0111\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0, T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t m\u1edbi \u0111\u01b0\u1ee3c th\u00f4ng xe.<\/p>\n

              \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Ki\u1ec3m tra trong qu\u00e1 tr\u00ecnh thi c\u00f4ng:<\/em><\/strong><\/p>\n

              Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng CPSS tr\u01b0\u1edbc khi r\u1ea3i; C\u1ee9 150 m3 ho\u1eb7c m\u1ed9t ca thi c\u00f4ng ph\u1ea3i ki\u1ec3m tra CPSS v\u1ec1 th\u00e0nh ph\u1ea7n h\u1ea1t, v\u1ec1 t\u1ef7 l\u1ec7 h\u1ea1t d\u1eb9t, ch\u1ec9 s\u1ed1 d\u1ebbo ho\u1eb7c \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng c\u00e1t (ES), m\u1eabu CPSS ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5y tr\u00ean th\u00f9ng xe khi xe ch\u1edf v\u1eadt li\u1ec7u \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

              Khi thay \u0111\u1ed5i m\u1ecf v\u1eadt li\u1ec7u ph\u1ea3i l\u1ea5y m\u1eabu th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd theo \u0111\u00fang ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt v\u00e0 tr\u00ecnh T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t m\u1ecf v\u1eadt li\u1ec7u \u0111\u00f3 khi \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t m\u1edbi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u1eadt li\u1ec7u m\u1edbi v\u00e0o thi c\u00f4ng.<\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

               <\/p>\n

              * Ki\u1ec3m tra nghi\u1ec7m thu:<\/em><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
              TT<\/em><\/strong><\/td>\nCh\u1ec9 ti\u00eau ki\u1ec3m tra<\/em><\/strong><\/td>\nSai s\u1ed1 cho ph\u00e9p<\/em><\/strong><\/td>\nGhi ch\u00fa<\/em><\/strong><\/td>\n<\/tr>\n
              \n

              1<\/p>\n<\/td>\n

              		\u0110\u1ed9 ch\u1eb7t K98%<\/td>\n\/ K thi\u1ebft k\u1ebf<\/td>\n700m3<\/sup>\/03 m\u1eabu<\/p>\n

              ki\u1ec3m tra ng\u1eabu nhi\u00ean theo 22TCN 13-79<\/td>\n<\/tr>\n

              \n

              2<\/p>\n<\/td>\n

              		Chi\u1ec1u d\u00e0y<\/td>\n\u00b1 5% thi\u1ebft k\u1ebf ki\u1ec3m tra 3 \u0111i\u1ec3m b\u1ea5t k\u1ef3 \/Km<\/td>\n\u00b1 10mm v\u1edbi m\u00f3ng d\u01b0\u1edbi<\/td>\n<\/tr>\n
              \u00b1 5mm v\u1edbi m\u00f3ng tr\u00ean<\/td>\n<\/tr>\n
              \n

              3<\/p>\n<\/td>\n

              		Chi\u1ec1u r\u1ed9ng<\/td>\n\u00b1 10 cm<\/td>\n<\/td>\n<\/tr>\n
              \n

              4<\/p>\n<\/td>\n

              		\u0110\u1ed9 d\u1ed1c ngang%<\/td>\n\u00b1 0.2% c\u1ee7a \u0111\u1ed9 d\u1ed1c ngang thi\u1ebft k\u1ebf<\/td>\n<\/td>\n<\/tr>\n
              \n

              5<\/p>\n<\/td>\n

              		\u0110\u1ed9 b\u1eb1ng ph\u1eb3ng<\/td>\nKhe h\u1edf l\u1edbn nh\u1ea5t [10mm<\/td>\nM\u00f3ng d\u01b0\u1edbi 200m ki\u1ec3m tra 1 m\u1eb7t c\u1eaft<\/td>\n<\/tr>\n
              Khe h\u1edf l\u1edbn nh\u1ea5t [5mm<\/td>\nM\u00f3ng tr\u00ean 200m ki\u1ec3m tra 1 m\u1eb7t c\u1eaft<\/td>\n<\/tr>\n
              \n

              6<\/p>\n<\/td>\n

              		C\u01b0\u1eddng \u0111\u1ed9 (E)<\/td>\nTheo 22TCN 12-79<\/td>\n20 \u0111i\u1ec3m\/km<\/td>\n<\/tr>\n
              \n

              7<\/p>\n<\/td>\n

              		Cao \u0111\u1ed9<\/td>\n\u00b1 10 mm<\/td>\nM\u00f3ng d\u01b0\u1edbi<\/td>\n<\/tr>\n
              \u00b1 5 mm<\/td>\nM\u00f3ng tr\u00ean<\/td>\n<\/tr>\n
              \n

              8<\/p>\n<\/td>\n

              		CBR ch\u1ec9 ti\u00eau c\u01a1 l\u00fd<\/td>\n2000 m3<\/sup>\/1m\u1eabu<\/td>\nC\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd.<\/td>\n<\/tr>\n
              \n

              9<\/p>\n<\/td>\n

              		Th\u00e0nh ph\u1ea7n c\u1ea5p ph\u1ed1i<\/td>\n150 m3<\/sup>\/1 m\u1eabu<\/td>\nTh\u00ed nghi\u1ec7m 4 ch\u1ec9 ti\u00eau: TPH, thoi d\u1eb9t, PI, ES.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
              <\/div>\n

              II. THI C\u00d4NG L\u1edaP M\u1eb6T \u0110\u01af\u1edcNG \u0110\u00c1 D\u0102M K\u1eb8P \u0110\u1ea4T 20CM<\/strong><\/p>\n

              1. Y\u00eau c\u1ea7u v\u1eadt li\u1ec7u:<\/strong><\/p>\n

              M\u1eb7t \u0111\u01b0\u1eddng c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m k\u1eb9p \u0111\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u00f3 chi\u1ec1u d\u00e0y 20cm, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho nh\u1eefng \u0111o\u1ea1n tuy\u1ebfn c\u00f3 \u0111\u1ed9 d\u1ed1c d\u1ecdc id>8%, th\u00e0nh ph\u1ea7n c\u1ea5p ph\u1ed1i g\u1ed3m \u0111\u00e1 4×6 chi\u1ebfm kho\u1ea3ng 65%, ngo\u00e0i ra c\u00f3 th\u00e0nh ph\u1ea7n \u0111\u00e1 0,5×1 chi\u1ebfm kho\u1ea3ng 11% v\u00e0 ph\u1ea7n c\u00f2n l\u1ea1i l\u00e0 \u0111\u1ea5t \u0111\u1ecf (ch\u1ea5t k\u1ebft d\u00ednh).<\/p>\n

              – \u0110\u00e1 4×6 \u0111\u01b0\u1ee3c khai th\u00e1c t\u1ea1i m\u1ecf Km5, v\u1eadn chuy\u1ec3n \u0111\u1ebfn ch\u00e2n c\u00f4ng tr\u00ecnh, t\u1eadp k\u1ebft v\u00e0o b\u00e3i trung gian, ti\u1ebfn h\u00e0nh tr\u1ed9n \u0111\u1ea5t \u0111\u1ecf ch\u1ecdn l\u1ecdc (\u0111\u1ea5t k\u1ebft d\u00ednh) theo t\u1ef7 l\u1ec7 quy \u0111\u1ecbnh.<\/p>\n

              – \u0110\u1ea5t d\u00ednh \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0 lo\u1ea1i \u0111\u1ea5t s\u00e9t c\u00f3 ch\u1ec9 s\u1ed1 d\u1ebbo Ip=15-25. L\u01b0\u1ee3ng \u0111\u1ea5t s\u00e9t d\u00f9ng v\u00e0o kho\u1ea3ng 24% kh\u1ed1i l\u01b0\u1ee3ng. \u0110\u1ec3 t\u0103ng \u1ed5n \u0111\u1ecbnh v\u1edbi n\u01b0\u1edbc, c\u00f3 th\u1ec3 tr\u1ed9n th\u00eam v\u00e0o \u0111\u1ea5t t\u1eeb 2-3% v\u00f4i.<\/p>\n

              2. Bi\u1ec7n ph\u00e1p thi c\u00f4ng, nghi\u1ec7m thu:<\/strong><\/p>\n

              Tr\u00ecnh t\u1ef1 thi c\u00f4ng l\u1edbp \u0111\u00e1 d\u0103m k\u1eb9p \u0111\u1ea5t nh\u01b0 sau:<\/p>\n

              a. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb: bao g\u1ed3m l\u00e0m khu\u00f4n \u0111\u01b0\u1eddng, b\u1ed1 tr\u00ed c\u00e1c \u0111\u1ed1ng v\u1eadt li\u1ec7u, s\u1eeda l\u1ea1i l\u00f2ng \u0111\u01b0\u1eddng v\u00e0 chu\u1ea9n b\u1ecb n\u01b0\u1edbc b\u00f9n. N\u01b0\u1edbc b\u00f9n l\u00e0 h\u1ed7n h\u1ee3p \u0111\u1ea5t d\u00ednh v\u1edbi n\u01b0\u1edbc theo t\u1ef7 l\u1ec7 th\u1ec3 t\u00edch l\u00e0 1: 0,8 \u0111\u1ebfn 1:1,1 l\u00e0 \u0111\u01b0\u1ee3c. Sau \u0111\u00f3 khu\u1ea5y \u0111\u1ec1u \u0111\u1ea3m b\u1ea3o c\u00f3 m\u1ed9t \u0111\u1ed9 s\u1ec7t nh\u1ea5t \u0111\u1ecbnh.<\/p>\n

              b. R\u1ea3i \u0111\u00e1 d\u0103m: r\u1ea3i \u0111\u1ec1u \u0111\u00e1 d\u0103m th\u00e0nh m\u1ed9t l\u1edbp v\u1edbi chi\u1ec1u d\u00e0y b\u1eb1ng chi\u1ec1u d\u00e0y thi\u1ebft k\u1ebf (0,2m) nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1 l\u00e8n x\u1ebfp (h\u1ec7 s\u1ed1 r\u1eddi x\u1ed1p), r\u1ed3i s\u1eeda sang t\u1ea1o h\u00ecnh mui luy\u1ec7n.<\/p>\n

              c. Lu l\u00e8n s\u01a1 b\u1ed9: d\u00f9ng lu nh\u1eb9 (lo\u1ea1i 6-8T), lu v\u1edbi t\u1ed1c \u0111\u1ed9 ch\u1eadm, s\u1ed1 l\u01b0\u1ee3t lu kho\u1ea3ng 3-4 l\u1ea7n\/\u0111i\u1ec3m cho \u0111\u00e1 \u1ed5n \u0111\u1ecbnh.<\/p>\n

              d. T\u01b0\u1edbi n\u01b0\u1edbc b\u00f9n: t\u01b0\u1edbi n\u01b0\u1edbc b\u00f9n t\u1eeb tim \u0111\u01b0\u1eddng sang hai b\u00ean, t\u1eeb ch\u1ed7 cao xu\u1ed1ng ch\u1ed7 th\u1ea5p, ph\u1ea3i t\u01b0\u1edbi \u0111\u1ec1u, v\u1eeba \u0111\u1ec3 l\u1ed9 \u0111\u1ea7u \u0111\u00e1 nh\u1ecdn ra l\u00e0 \u0111\u1ee7.<\/p>\n

              e. R\u1ea3i v\u1eadt li\u1ec7u ch\u00e8n: Sau khi t\u01b0\u1edbi n\u01b0\u1edbc b\u00f9n, ch\u1edd kho\u1ea3ng 1-2 gi\u1edd, \u0111\u1ee3i cho n\u01b0\u1edbc b\u00f9n th\u1ea5m \u0111\u1ec1u xu\u1ed1ng d\u01b0\u1edbi, tr\u01b0\u1edbc khi b\u1ec1 m\u1eb7t ch\u01b0a kh\u00f4 th\u00ec ph\u1ea3i r\u1ea3i ngay v\u1eadt li\u1ec7u ch\u00e8n v\u00e0 ph\u1ea3i d\u00f9ng ch\u1ed5i c\u1ee9ng qu\u00e9t cho v\u1eadt li\u1ec7u l\u1ecdt \u0111\u1ec1u v\u00e0o c\u00e1c khe tr\u00ean m\u1eb7t l\u1edbp \u0111\u00e1 d\u0103m.<\/p>\n

              Lu l\u00e8n: Sau khi r\u1ea3i xong v\u1eadt li\u1ec7u ch\u00e8n th\u00ec d\u00f9ng lu n\u1eb7ng (12 t\u1ea5n) lu ngay. S\u1ed1 l\u1ea7n lu kho\u1ea3ng 4-6 l\u01b0\u1ee3t\/\u0111i\u1ec3m \u0111\u1ec3 cho n\u01b0\u1edbc b\u00f9n th\u1ea5m \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t \u0111\u1ea5t d\u00ednh v\u1edbi v\u1eadt li\u1ec7u ch\u00e8n. Khi lu l\u00e8n, k\u1ecbp th\u1eddi b\u00f9 ph\u1ee5 v\u1eefa b\u00f9n, b\u00f9 \u0111\u00e1 ch\u00e8n. N\u1ebfu b\u1ec1 m\u1eb7t qu\u00e1 kh\u00f4 th\u00ec t\u01b0\u1edbi \u1ea9m, n\u1ebfu qu\u00e1 \u1ea9m th\u00ec ph\u1ea3i \u0111\u1ee3i cho se l\u1ea1i m\u1edbi lu.<\/p>\n

              CH\u01af\u01a0NG 3<\/u><\/strong><\/p>\n

              THI C\u00d4NG C\u00d4NG TR\u00ccNH C\u1ea6U, C\u1ed0NG, R\u00c3NH THO\u00c1T N\u01af\u1edaC, T\u01af\u1edcNG CH\u1eaeN, GIA C\u1ed0 M\u00c1I TA LUY, B\u00d3 V\u1ec8A H\u00c8<\/strong><\/p>\n

               <\/p>\n

              I. \u0110\u00daC C\u1ea4U KI\u1ec6N B\u00ca T\u00d4NG:<\/u><\/strong><\/p>\n

              Ti\u1ebfn h\u00e0nh s\u1ea3n xu\u1ea5t ngay c\u00e1c c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng sau khi kh\u1edfi c\u00f4ng c\u00f4ng tr\u00ecnh.<\/p>\n

              C\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n bao g\u1ed3m:<\/p>\n

              – C\u00e1c d\u1ea7m, t\u1ea5m b\u1ea3n b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n .<\/p>\n

              – \u1ed0ng c\u1ed1ng c\u00e1c lo\u1ea1i (\u1ed1ng D75; D100; D150; D200).<\/p>\n

              – \u0110\u1ed1t c\u1ed1ng l\u1eafp g\u00e9p.<\/p>\n

              – C\u1ecdc ti\u00eau, c\u1ecdc H, c\u1ed9t Km.<\/p>\n

                \n
              • Bi\u1ec7n ph\u00e1p thi c\u00f4ng:<\/em><\/strong><\/li>\n<\/ul>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. \u0110\u00fac \u1ed1ng c\u1ed1ng<\/strong><\/p>\n

                – \u1ed0ng c\u1ed1ng bao g\u1ed3m c\u00e1c lo\u1ea1i: \u1ed1ng tr\u00f2n \u0111\u01b0\u1eddng k\u00ednh f75; f100, f150, f200cm.<\/p>\n

                – Trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai thi c\u00f4ng Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh san m\u1eb7t b\u1eb1ng trong ph\u1ea1m vi tuy\u1ebfn.<\/p>\n

                – \u1ed0ng c\u1ed1ng \u0111\u01b0\u1ee3c \u0111\u00fac t\u1ea1i c\u00f4ng tr\u01b0\u1eddng g\u1ea7n v\u1ecb tr\u00ed tuy\u1ebfn, trong qu\u00e1 tr\u00ecnh \u0111\u00fac \u1ed1ng c\u1ed1ng kh\u00f4ng g\u00e2y c\u1ea3n tr\u1edf vi\u1ec7c thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                – V\u00e1n khu\u00f4n v\u00e0 c\u00f4ng ngh\u1ec7 \u0111\u00fac \u1ed1ng c\u1ed1ng \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u \u0111\u1ec1 ngh\u1ecb v\u00e0 \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn.<\/p>\n

                – Thi\u1ebft b\u1ecb, v\u00e1n khu\u00f4n tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng ph\u1ea3i \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn v\u00e0 nghi\u1ec7m thu b\u1eb1ng v\u0103n b\u1ea3n.<\/p>\n

                – B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n b\u1eb1ng m\u00e1y tr\u1ed9n 250L.<\/p>\n

                – D\u00f9ng c\u1ea9u 10T \u0111\u1ec3 h\u1ed7 tr\u1ee3 th\u00e1o l\u1eafp v\u00e1n khu\u00f4n, c\u1ed1t th\u00e9p, v\u1eadn chuy\u1ec3n \u1ed1ng c\u1ed1ng \u0111\u1ebfn c\u00e1c v\u1ecb tr\u00ed quy \u0111\u1ecbnh.<\/p>\n

                – \u1ed0ng c\u1ed1ng ph\u1ea3i \u0111\u00fac \u0111\u00fang k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc, \u0111\u00fang m\u00e1c BT, c\u1ed1t th\u00e9p quy \u0111\u1ecbnh trong b\u1ea3n v\u1ebd thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t, v\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – Vi\u1ec7c ch\u1ea5p thu\u1eadn nh\u1eefng \u1ed1ng c\u1ed1ng s\u1ea3n xu\u1ea5t d\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 ki\u1ec3m tra c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m m\u1eabu \u00e9p \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng trong ph\u00f2ng th\u00ed nghi\u1ec7m ph\u00f9 h\u1ee3p v\u1edbi nh\u1eefng y\u00eau c\u1ea7u chung v\u1edbi m\u00e1c BT quy \u0111\u1ecbnh.<\/p>\n

                – Nh\u1eefng \u1ed1ng qua th\u00ed nghi\u1ec7m kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 (nh\u01b0ng kh\u00f4ng m\u1eabu n\u00e0o d\u01b0\u1edbi s\u1ee9c ch\u1ecbu t\u1ea3i c\u1ee7a thi\u1ebft k\u1ebf quy \u0111\u1ecbnh 80%) \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u00f9ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n l\u00e0 to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i c\u1ee7a c\u1ed1ng s\u1eed d\u1ee5ng nh\u1eefng \u1ed1ng \u1ea5y ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ecdc c\u1ea9n th\u1eadn b\u1eb1ng b\u00ea t\u00f4ng M200 chi\u1ec1u d\u00e0y t\u1ed1i thi\u1ec3u c\u1ee7a b\u00ea t\u00f4ng \u1ed1ng c\u1ed1ng s\u1ebd b\u1eb1ng 1\/4 \u0111\u01b0\u1eddng k\u00ednh trong \u1ed1ng c\u1ed1ng v\u00e0 v\u01b0\u1ee3t hai b\u00ean \u1ed1ng c\u1ed1ng \u0111\u1ebfn chi\u1ec1u cao b\u1eb1ng 1\/4 \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i \u1ed1ng c\u1ed1ng v\u00e0 \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn.<\/p>\n

                – Nh\u1eefng \u1ed1ng c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n m\u1eabu kh\u00f4ng \u0111\u1ea1t 80% c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. S\u1ea3n xu\u1ea5t c\u1ed1ng h\u1ed9p, d\u1ea7m c\u1ed1ng b\u1ea3n \u0111\u00fac s\u1eb5n, t\u1ea5m b\u1ea3n c\u1ee7a c\u1ed1ng, r\u00e3nh, c\u1ecdc ti\u00eau, c\u1ecdc H, c\u1ecdc Km\u2026<\/strong>\u00a0:<\/strong><\/p>\n

                – Gia c\u00f4ng, l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p, l\u1eafp v\u00e1n khu\u00f4n.<\/p>\n

                – Tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n 250L, \u0111\u1ed5 ra h\u1ed9c ch\u1ee9a v\u00e0 \u0111\u1ed5 v\u00e0o khu\u00f4n \u0111\u00fac.<\/p>\n

                – \u0110\u1ea7m b\u00ea t\u00f4ng b\u1eb1ng \u0111\u1ea7m b\u00e0n, xoa ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng b\u1eb1ng bao t\u1ea3i gai, t\u01b0\u1edbi n\u01b0\u1edbc trong su\u1ed1t th\u1eddi gian ninh k\u1ebft c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n

                II. C\u00d4NG T\u00c1C B\u00ca T\u00d4NG<\/strong><\/p>\n

                1. V\u1eadt li\u1ec7u cho b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. Xim\u0103ng:<\/em><\/strong><\/p>\n

                Xi m\u0103ng d\u00f9ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng l\u00e0 xi m\u0103ng PC30, theo ti\u00eau chu\u1ea9n PCB30 – TCVN 2682-1992 \u0111\u01b0\u1ee3c mua tr\u00ean c\u00e1c \u0111\u1ea1i l\u00fd c\u00f3 th\u01b0\u01a1ng hi\u1ec7u tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/p>\n

                C\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n:<\/p>\n

                + Tho\u1ea3 m\u00e3n c\u00e1c quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n PC B30 TCVN 2682 – 1992.<\/p>\n

                + C\u00e1c bao \u0111\u1ef1ng xi m\u0103ng ph\u1ea3i k\u00edn, kh\u00f4ng r\u00e1ch th\u1ee7ng.<\/p>\n

                + Ng\u00e0y, th\u00e1ng, n\u0103m s\u1ea3n xu\u1ea5t, s\u1ed1 hi\u1ec7u xi m\u0103ng \u0111\u01b0\u1ee3c ghi r\u00f5 r\u00e0ng tr\u00ean c\u00e1c bao ho\u1eb7c c\u00f3 gi\u1ea5y ch\u1ee9ng nh\u1eadn c\u1ee7a nh\u00e0 m\u00e1y. Nh\u00e0 th\u1ea7u s\u1ebd c\u0103n c\u1ee9 v\u00e0o s\u1ed1 li\u1ec7u xi m\u0103ng \u0111\u1ec3 s\u1eed d\u1ee5ng cho ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n

                Nh\u00e0 th\u1ea7u c\u00f3 k\u1ebf ho\u1ea1ch s\u1eed d\u1ee5ng xi m\u0103ng theo l\u00f4 khi c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 d\u1ef1 tr\u00f9 nh\u01b0ng th\u1eddi gian d\u1ef1 tr\u1eef c\u00e1c l\u00f4 xi m\u0103ng kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 03 th\u00e1ng k\u1ec3 t\u1eeb ng\u00e0y s\u1ea3n xu\u1ea5t v\u00e0 kh\u00f4ng l\u01b0u kho qu\u00e1 01 th\u00e1ng.<\/p>\n

                Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 xi m\u0103ng \u0111\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n

                – Xi m\u0103ng d\u1ef1 tr\u1eef qu\u00e1 th\u1eddi h\u1ea1n quy \u0111\u1ecbnh \u1edf tr\u00ean ho\u1eb7c xi m\u0103ng v\u00f3n c\u1ee5c trong th\u1eddi gian d\u1ef1 tr\u1eef do b\u1ea5t k\u1ef3 nguy\u00ean nh\u00e2n n\u00e0o.<\/p>\n

                – Do nguy\u00ean nh\u00e2n n\u00e0o \u0111\u00f3 g\u00e2y ra s\u1ef1 nghi ng\u1edd v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 xi m\u0103ng kh\u00f4ng \u0111\u00e1p \u1ee9ng v\u1edbi ch\u1ee9ng nh\u1eadn c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n

                Xi m\u0103ng s\u1eed d\u1ee5ng cho c\u00f4ng t\u00e1c x\u00e2y l\u1eafp, b\u00ea t\u00f4ng c\u1ee7a c\u00f4ng tr\u00ecnh s\u1ebd \u0111\u1ea1t c\u00e1c ti\u00eau chu\u1ea9n sau:<\/p>\n

                – Ch\u1ee7ng lo\u1ea1i: S\u1eed d\u1ee5ng xi m\u0103ng PC30 c\u1ee7a Nh\u00e0 m\u00e1y xi m\u0103ng B\u00fat S\u01a1n, B\u1ec9m S\u01a1n, Kansai ho\u1eb7c lo\u1ea1i xim\u0103ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ea1t TCVN 2682:1992 v\u00e0 c\u00f3 \u0111\u1ea7y \u0111\u1ee7 gi\u1ea5y ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng xi m\u0103ng k\u00e8m theo v\u1edbi n\u1ed9i dung nh\u01b0 sau:<\/p>\n

                + T\u00ean c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t.<\/p>\n

                + T\u00ean g\u1ecdi k\u00fd hi\u1ec7u m\u00e1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng xi m\u0103ng theo ti\u00eau chu\u1ea9n TCVN 2682-1992; TCVN 4029-82, TCVN 4032-82; TCVN 4787-89; \u0111\u1ed3ng th\u1eddi \u0111\u1ea1t ti\u00eau chu\u1ea9n 14-TCN 66-88 – Xi m\u0103ng d\u00f9ng cho b\u00ea t\u00f4ng thu\u1ef7 c\u00f4ng – Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n

                + Lo\u1ea1i v\u00e0 h\u00e0m l\u01b0\u1ee3ng ph\u1ee5 gia (n\u1ebfu c\u00f3): Trong tr\u01b0\u1eddng h\u1ee3p nh\u00e0 th\u1ea7u c\u1ea7n \u0111\u1ea9y nhanh ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng, nh\u00e0 th\u1ea7u d\u1ef1 ki\u1ebfn s\u1eed dung ph\u1ee5 gia \u0111\u00f4ng k\u1ebft nhanh (Sikament v.v…).<\/p>\n

                + Kh\u1ed1i l\u01b0\u1ee3ng xi m\u0103ng xu\u1ea5t x\u01b0\u1edfng v\u00e0 s\u1ed1 hi\u1ec7u l\u00f4.<\/p>\n

                + Ng\u00e0y, th\u00e1ng, n\u0103m s\u1ea3n xu\u1ea5t.<\/p>\n

                – Vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng xi m\u0103ng s\u1ebd ph\u1ea3i d\u1ef1a v\u00e0o c\u00e1c ti\u00eau chu\u1ea9n sau: TCVN 139-64; TCVN 140-64; TCVN 141-64.<\/p>\n

                – Xi m\u0103ng s\u1ebd ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00f3ng bao gi\u1ea5y kraf c\u00f3 \u00edt nh\u1ea5t 4 l\u1edbp ho\u1eb7c lo\u1ea1i bao PP \u0111\u1ea3m b\u1ea3o kh\u00f4ng b\u1ecb r\u00e1ch khi v\u1eadn chuy\u1ec3n.<\/p>\n

                – V\u1eadn chuy\u1ec3n xi m\u0103ng: V\u1eadn chuy\u1ec3n b\u1eb1ng xe \u00f4 t\u00f4 c\u00f3 thi\u1ebft b\u1ecb che m\u01b0a v\u00e0 kh\u00f4ng v\u1eadn chuy\u1ec3n chung v\u1edbi c\u00e1c lo\u1ea1i ho\u00e1 ch\u1ea5t c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng xi m\u0103ng.<\/p>\n

                – B\u1ea3o qu\u1ea3n xi m\u0103ng: T\u1ea1i c\u00f4ng tr\u01b0\u1eddng c\u00f3 kho \u0111\u1ec3 ch\u1ee9a xi m\u0103ng, xi m\u0103ng \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean s\u00e0n g\u1ed7 k\u00ea cao h\u01a1n m\u1eb7t \u0111\u1ea5t \u00edt nh\u1ea5t 0,5m \u0111\u1ec3 tr\u00e1nh \u1ea9m, k\u00ea c\u00e1ch t\u01b0\u1eddng \u00edt nh\u1ea5t 20 cm, kh\u00f4ng x\u1ebfp cao qu\u00e1 10 h\u00e0ng.<\/p>\n

                – Nh\u00e0 th\u1ea7u c\u00f3 k\u1ebf ho\u1ea1ch s\u1eed d\u1ee5ng xi m\u0103ng theo l\u00f4 khi c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 d\u1ef1 tr\u00f9 nh\u01b0ng th\u1eddi gian d\u1ef1 tr\u1eef c\u00e1c l\u00f4 xi m\u0103ng kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 03 th\u00e1ng k\u1ec3 t\u1eeb ng\u00e0y s\u1ea3n xu\u1ea5t v\u00e0 kh\u00f4ng l\u01b0u kho qu\u00e1 01 th\u00e1ng.<\/p>\n

                – Xi m\u0103ng mua, v\u1eadn chuy\u1ec3n t\u1eeb c\u00e1c \u0111\u1ea1i l\u00fd g\u1ea7n nh\u1ea5t t\u1edbi c\u00f4ng tr\u00ecnh.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b. C\u1ed1t li\u1ec7u:<\/em><\/strong><\/p>\n

                – C\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o thi c\u00f4ng \u0111\u1ea3m b\u1ea3o ph\u1ea3i c\u1ee9ng, b\u1ec1n, s\u1ea1ch, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n

                – C\u1ed1t li\u1ec7u l\u1edbn c\u1ea7n c\u00f3 c\u1ea5p ph\u1ed1i ph\u00f9 h\u1ee3p v\u1edbi b\u1ea5t k\u1ef3 lo\u1ea1i c\u1ed1t li\u1ec7u nh\u1ecf n\u00e0o.<\/p>\n

                – C\u1ed1t li\u1ec7u nh\u1ecf (c\u00e1t) tho\u1ea3 m\u00e3n c\u00e1c y\u00eau c\u1ea7u c\u1ee7a TCVN 1770-86: \u201cC\u00e1t x\u00e2y d\u1ef1ng \u2013 Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt\u201d.<\/p>\n

                + C\u00e1t th\u00f4 (c\u00e1t v\u00e0ng) s\u1ea1ch c\u00f3 m\u00f4duyl \u00b3 2,5<\/p>\n

                + Kh\u00f4ng l\u1eabn s\u00e9t, \u00e1 s\u00e9t v\u00e0 t\u1ea1p ch\u1ea5t kh\u00e1c \u1edf d\u1ea1ng c\u1ee5c<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 + H\u00e0m l\u01b0\u1ee3ng h\u1ea1t l\u1edbn tr\u00ean 5mm kh\u00f4ng l\u1edbn h\u01a1n 10%.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + H\u00e0m l\u01b0\u1ee3ng mu\u1ed1i sunfat t\u00ednh ra SO3<\/sub> \u00a3 3%<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 + H\u00e0m l\u01b0\u1ee3ng mica \u00a31%<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + H\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1 th\u1eed theo ph\u01b0\u01a1ng ph\u00e1p so m\u00e0u kh\u00f4ng th\u1eabm h\u01a1n m\u00e0u c\u1ee7a dung d\u1ecbch tr\u00ean c\u00e1t (\u00a33%).<\/p>\n

                – C\u1ed1t li\u1ec7u l\u1edbn (\u0111\u00e1 d\u0103m, s\u1ecfi) \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n TCVN 1771-87 \u201c\u0110\u00e1 d\u0103m, s\u1ecfi d\u00f9ng trong x\u00e2y d\u1ef1ng\u201d.<\/p>\n

                – C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u1ed1t li\u1ec7u:<\/p>\n

                + M\u00e1c c\u1ee7a \u0111\u00e1 d\u0103m kh\u00f4ng nh\u1ecf h\u01a1n 600 Kg\/cm2<\/sup>. Ri\u00eang \u0111\u00e1 d\u00f9ng cho \u0111\u00fac d\u1ea7m kh\u00f4ng nh\u1ecf h\u01a1n 800 kg\/m2<\/sup><\/p>\n

                + H\u00e0m l\u01b0\u1ee3ng h\u1ea1t thoi d\u1eb9t (c\u00f3 chi\u1ec1u r\u1ed9ng ho\u1eb7c d\u00e0y \u00a31\/3 chi\u1ec1u d\u00e0i, kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10% theo kh\u1ed1i l\u01b0\u1ee3ng.<\/p>\n

                + H\u00e0m l\u01b0\u1ee3ng h\u1ea1t m\u1ec1m y\u1ebfu v\u00e0 phong ho\u00e1 \u00a31%<\/p>\n

                + H\u00e0m l\u01b0\u1ee3ng h\u1ea1t s\u00e9t, b\u00f9n, b\u1ee5i \u00a30.25%<\/p>\n

                – V\u1edbi m\u1ed7i l\u00f4 c\u1ed1t li\u1ec7u th\u00f4, \u0111\u1ec1u ph\u1ea3i k\u00e8m theo gi\u1ea5y ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a n\u01a1i s\u1ea3n xu\u1ea5t v\u1edbi c\u00e1c n\u1ed9i dung:<\/p>\n

                + T\u00ean c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t<\/p>\n

                + T\u00ean \u0111\u00e1, s\u1ecfi.<\/p>\n

                + S\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a l\u00f4, th\u1eddi gian s\u1ea3n xu\u1ea5t.<\/p>\n

                + K\u1ebft qu\u1ea3 c\u1ee7a ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e3 ki\u1ec3m tra.<\/p>\n

                + S\u1ed1 hi\u1ec7u c\u1ee7a ti\u00eau chu\u1ea9n d\u00f9ng \u0111\u1ec3 th\u00ed nghi\u1ec7m.<\/p>\n

                +\u00a0 Ch\u1eef k\u00fd c\u1ee7a tr\u01b0\u1edfng KCS\u00a0 c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t.<\/p>\n

                – N\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 tr\u1ed9n b\u00ea t\u00f4ng l\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb c\u00e1c su\u1ed1i d\u1ecdc theo hai b\u00ean \u0111\u01b0\u1eddng thi c\u00f4ng. N\u1ebfu c\u00f3 y\u00eau c\u1ea7u c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch, \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n TCVN 4506-87 N\u01b0\u1edbc cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa.<\/p>\n

                – Tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng b\u1ea5t c\u1ee9 lo\u1ea1i ph\u1ee5 gia n\u00e0o ch\u00fang t\u00f4i c\u0169ng s\u1ebd tr\u00ecnh c\u00e1c \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt v\u00e0 ch\u1ec9 d\u1eabn s\u1eed d\u1ee5ng cho t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng. Qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng ch\u00fang t\u00f4i lu\u00f4n tu\u00e2n th\u1ee7 \u0111\u00fang li\u1ec1u l\u01b0\u1ee3ng v\u00e0 m\u1ee5c \u0111\u00edch.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Ch\u1ebf t\u1ea1o b\u00ea t\u00f4ng<\/em><\/strong><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. C\u1ea5p ph\u1ed1i v\u00e0 ki\u1ec3m tra c\u1ea5p ph\u1ed1i:<\/em><\/strong><\/p>\n

                Ch\u00fang t\u00f4i s\u1ebd thu\u00ea c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m thi\u1ebft k\u1ebf c\u1ea5p ph\u1ed1i v\u00e0 ki\u1ec3m tra m\u1eabu. C\u00f4ng t\u00e1c thi\u1ebft k\u1ebf th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u trong b\u00ea t\u00f4ng s\u1ebd do c\u01a1 s\u1edf th\u00ed nghi\u1ec7m c\u00f3 t\u01b0 c\u00e1ch ph\u00e1p nh\u00e2n th\u1ef1c hi\u1ec7n. K\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn th\u00ec ch\u00fang t\u00f4i m\u1edbi \u00e1p d\u1ee5ng \u0111\u1ec3 tr\u1ed9n h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng cho h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh.<\/p>\n

                Khi thi\u1ebft k\u1ebf c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o nguy\u00ean t\u1eafc:<\/p>\n

                – S\u1eed d\u1ee5ng \u0111\u00fang c\u00e1c v\u1eadt li\u1ec7u s\u1ebd d\u00f9ng \u0111\u1ec3 thi c\u00f4ng.<\/p>\n

                – \u0110\u1ed9 s\u1ee5t ho\u1eb7c \u0111\u1ed9 c\u1ee9ng c\u1ee7a h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng x\u00e1c \u0111\u1ecbnh tu\u1ef3 thu\u1ed9c t\u00ednh ch\u1ea5t c\u1ee7a h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh, h\u00e0m l\u01b0\u1ee3ng c\u1ed1t th\u00e9p, ph\u01b0\u01a1ng ph\u00e1p v\u1eadn chuy\u1ec3n, ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7m, \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft.<\/p>\n

                – \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng xim\u0103ng t\u1ed1i thi\u1ec3u theo quy \u0111\u1ecbnh t\u1ea1i \u0111i\u1ec1u 4-3 TCVN 5724 \u2013 1993.<\/p>\n

                S\u1ed1 m\u1eabu d\u00f9ng trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 c\u1ea5p ph\u1ed1i tu\u00e2n th\u1ee7 theo ti\u00eau chu\u1ea9n TCVN 4453-1995 tr\u1eeb khi c\u00f3 h\u01b0\u1edbng d\u1eabn kh\u00e1c c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                Kh\u00f4ng ti\u1ebfn h\u00e0nh \u0111\u1ed5 b\u00ea t\u00f4ng khi ch\u01b0a c\u00f3 k\u1ebft qu\u1ea3 thi\u1ebft k\u1ebf c\u1ea5p ph\u1ed1i \u0111\u01b0\u1ee3c duy\u1ec7t v\u00e0 ph\u1ea3i ti\u1ebfn h\u00e0nh thi\u1ebft k\u1ebf l\u1ea1i c\u1ea5p ph\u1ed1i n\u1ebfu ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng thay \u0111\u1ed5i.<\/p>\n

                Vi\u1ec7c hi\u1ec7u ch\u1ec9nh th\u00e0nh ph\u1ea7n b\u00ea t\u00f4ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo nguy\u00ean t\u1eafc kh\u00f4ng l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7 N\/X c\u1ee7a th\u00e0nh ph\u1ea7n b\u00ea t\u00f4ng\u00a0 \u0111\u00e3 thi\u1ebft k\u1ebf.<\/p>\n

                – \u0110i\u1ec1u ch\u1ec9nh t\u00ednh d\u1ec5 l\u00e0m vi\u1ec7c: N\u1ebfu th\u1ea5y kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u00ea t\u00f4ng v\u1edbi t\u00ednh ch\u1ea5t y\u00eau c\u1ea7u v\u1edbi c\u00e1c t\u1ef7 l\u1ec7 l\u00fac \u0111\u1ea7u, ch\u00fang t\u00f4i s\u1ebd thay \u0111\u1ed5i c\u00e1c tr\u1ecdng l\u01b0\u1ee3ng \u0111\u00e1 s\u1ecfi c\u1ea7n thi\u1ebft, song kh\u00f4ng tr\u01b0\u1eddng h\u1ee3p n\u00e0o l\u00e0m thay \u0111\u1ed5i h\u00e0m l\u01b0\u1ee3ng xim\u0103ng \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh ban \u0111\u1ea7u ho\u1eb7c t\u1ef7 l\u1ec7 n\u01b0\u1edbc\/ xim\u0103ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch th\u1eed c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ed9 n\u00e9n d\u1eabn \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 t\u01b0\u01a1ng x\u1ee9ng b\u1ecb t\u0103ng l\u00ean. Kh\u00f4ng nh\u00e0o tr\u1ed9n l\u1ea1i v\u1eefa \u0111\u00e3 tr\u1ed9n b\u1eb1ng c\u00e1ch th\u00eam n\u01b0\u1edbc ho\u1eb7c b\u1eb1ng c\u00e1c c\u00e1ch kh\u00e1c. Ch\u1ec9 tr\u1ed9n th\u00eam ch\u1ea5t ph\u1ee5 gia \u0111\u1ec3 l\u00e0m t\u0103ng t\u00ednh d\u1ec5 l\u00e0m vi\u1ec7c n\u1ebfu \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – \u0110i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9: N\u1ebfu b\u00ea t\u00f4ng kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 quy \u0111\u1ecbnh ho\u1eb7c ch\u1ea5p thu\u1eadn, ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn s\u1eeda \u0111\u1ed5i thi\u1ebft k\u1ebf h\u1ed7n h\u1ee3p theo y\u00eau c\u1ea7u c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – \u0110i\u1ec1u ch\u1ec9nh v\u00ec c\u00f3 v\u1eadt li\u1ec7u m\u1edbi : N\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i th\u00e3y \u0111\u1ed5i ngu\u1ed3n l\u1ea5y v\u1eadt li\u1ec7u ho\u1eb7c thay \u0111\u1ed5i t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u ch\u00fang t\u00f4i s\u1ebd ng\u1eebng thi c\u00f4ng cho \u0111\u1ebfn khi c\u00f3 v\u0103n b\u1ea3n ch\u1ea5p thu\u1eadn v\u1eadt li\u1ec7u m\u1edbi \u0111\u00f3 v\u00e0 ch\u1ec9 \u0111\u1ecbnh t\u1ef7 l\u1ec7 m\u1edbi d\u1ef1a tr\u00ean c\u00e1c th\u00ed nghi\u1ec7m c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                b. Ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p<\/em><\/strong><\/p>\n

                Xim\u0103ng, c\u00e1t, \u0111\u00e1 d\u0103m v\u00e0 ch\u1ea5t ph\u1ee5 gia b\u1ed9t \u0111\u01b0\u1ee3c c\u00e2n theo kh\u1ed1i l\u01b0\u1ee3ng. N\u01b0\u1edbc v\u00e0 ch\u1ea5t ph\u1ee5 gia l\u1ecfng c\u00e2n \u0111ong theo th\u1ec3 t\u00edch.<\/p>\n

                Sai l\u1ec7ch cho ph\u00e9p khi c\u00e2n \u0111ong:<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 – Xim\u0103ng v\u00e0 ch\u1ea5t ph\u1ee5 gia d\u1ea1ng b\u1ed9t:\u00a0 \u00b11%<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 – C\u00e1t, \u0111\u00e1 d\u0103m ho\u1eb7c s\u1ecfi:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b13%<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 – N\u01b0\u1edbc v\u00e0 ph\u1ee5 gia l\u1ecfng:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b11%<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb c\u00e2n \u0111ong ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u01b0\u1edbc m\u1ed7i \u0111\u1ee3t \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 \u0111\u01b0\u1ee3c theo d\u00f5i th\u01b0\u1eddng xuy\u00ean.<\/p>\n

                H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n b\u1eb1ng m\u00e1y tr\u1ed9n. Th\u1eddi gian tr\u1ed9n t\u1ed1i thi\u1ec3u tu\u1ef3 thu\u1ed9c v\u00e0o \u0111\u1eb7c tr\u01b0ng thi\u1ebft b\u1ecb d\u00f9ng v\u00e0 \u0111\u1ed9 s\u1ee5t b\u00ea t\u00f4ng t\u00f4ng thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng \u00edt h\u01a1n 2,5 ph\u00fat.<\/p>\n

                Khi d\u00f9ng xi m\u0103ng \u0111\u00f3ng bao, kh\u1ed1i l\u01b0\u1ee3ng m\u1ed9t m\u1ebb \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n sao cho kh\u1ed1i l\u01b0\u1ee3ng xi m\u0103ng c\u1ea7n thi\u1ebft b\u1eb1ng m\u1ed9t ho\u1eb7c nhi\u1ec1u bao ch\u1eb5n xi m\u0103ng. C\u00e1c c\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c \u0111o ri\u00eang b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng. Kh\u1ed1i l\u01b0\u1ee3ng m\u1ed9t m\u1ebb kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 dung t\u00edch \u0111\u1ecbnh m\u1ee9c c\u1ee7a m\u00e1y tr\u1ed9n.<\/p>\n

                Tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o m\u00e1y tr\u1ed9n, c\u00e1c c\u1ed1t li\u1ec7u s\u1ecfi \u0111\u00e1 \u1edf t\u00ecnh tr\u1ea1ng b\u00e3o ho\u00e0 v\u00e0 duy tr\u00ec \u1edf trong t\u00ecnh tr\u1ea1ng \u1ea9m \u01b0\u1edbt, v\u1edbi m\u1ed9t \u0111\u1ed9 \u1ea9m g\u1ea7n t\u1edbi tr\u1ea1ng th\u00e1i kh\u00f4 b\u1ec1 m\u1eb7t b\u00e3o ho\u00e0 b\u1eb1ng c\u00e1ch t\u01b0\u1edbi \u0111\u1ecbnh k\u1ef3 c\u00e1c \u0111\u1ed1ng s\u1ecfi \u0111\u00e1 b\u1eb1ng n\u01b0\u1edbc . L\u00fac c\u1ea7n cho v\u00e0o m\u00e1y tr\u1ed9n , l\u1ea7n t\u01b0\u1edbi n\u01b0\u1edbc cu\u1ed1i c\u00f9ng ph\u1ea3i c\u00e1ch tr\u01b0\u1edbc \u0111\u00f3 \u00edt nh\u1ea5t 24 gi\u1edd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed1ng \u0111\u00e1 \u0111\u01b0\u1ee3c tho\u00e1t n\u01b0\u1edbc \u0111\u1ee7.<\/p>\n

                B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n trong m\u1ed9t m\u00e1y thao t\u00e1c c\u01a1 gi\u1edbi thu\u1ed9c lo\u1ea1i v\u00e0 k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn, m\u00e1y \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i v\u1eadt li\u1ec7u \u0111\u1ec1u trong to\u00e0n kh\u1ed1i.<\/p>\n

                M\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c trang b\u1ecb th\u00f9ng ch\u1ee9a n\u01b0\u1edbc th\u00edch h\u1ee3p v\u00e0 c\u00f3 d\u1ee5ng c\u1ee5 \u0111o ch\u00ednh x\u00e1c v\u00e0 kh\u1ed1ng ch\u1ebf l\u01b0\u1ee3ng n\u01b0\u1edbc cho m\u1ed7i m\u1ebb.<\/p>\n

                M\u00e1y tr\u1ed9n tr\u01b0\u1edbc h\u1ebft n\u1ea1p \u0111\u00e1 v\u00e0 xi m\u0103ng, r\u1ed3i m\u00e1y b\u1eaft \u0111\u1ea7u ch\u1ea1y, tr\u01b0\u1edbc khi n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o.<\/p>\n

                Th\u1eddi gian tr\u1ed9n \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb khi n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o v\u1eadt li\u1ec7u c\u1ee7a h\u1ed7n h\u1ee3p kh\u00f4. N\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o h\u1ebft tr\u01b0\u1edbc khi 1\/4 th\u1eddi gian tr\u1ed9n tr\u00f4i qua.<\/p>\n

                T\u1ea1i n\u01a1i kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng m\u00e1y tr\u1ed9n, ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng tay, g\u1ea7n v\u1edbi l\u00fac \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                c. V\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

                Vi\u1ec7c v\u1eadn chuy\u1ec3n h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng t\u1eeb n\u01a1i tr\u1ed9n \u0111\u1ebfn n\u01a1i \u0111\u1ed5 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n sao cho b\u00ea t\u00f4ng kh\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng ch\u1ea3y n\u01b0\u1edbc xim\u0103ng ho\u1eb7c m\u1ea5t n\u01b0\u1edbc.<\/p>\n

                Th\u1eddi gian l\u01b0u tr\u1eef h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n kh\u00f4ng s\u1eed d\u1ee5ng ph\u1ee5 gia t\u1ed1i \u0111a l\u00e0 45 ph\u00fat ( trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 t\u1eeb 200<\/sup>C\u00b8 300<\/sup>C).<\/p>\n

                T\u1ea5t c\u1ea3 c\u00e1c ch\u00e2n \u0111\u1ebf, m\u00f3ng v\u00e0 h\u1ed1 \u0111\u00e0o cho c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4 v\u00e0 b\u00ea t\u00f4ng kh\u00f4ng \u0111\u1ed5 l\u00ean \u0111\u1ea5t c\u00f3 b\u00f9n, r\u00e1c r\u01b0\u1edfi, ho\u1eb7c c\u00f3 v\u1eadt li\u1ec7u l\u1ea1 kh\u00e1c, ho\u1eb7c trong n\u01b0\u1edbc.<\/p>\n

                Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u1ed5 b\u00ea t\u00f4ng, t\u1ea5t c\u1ea3 v\u00e1n khu\u00f4n, c\u1ed1t th\u00e9p v\u00e0 c\u00e1c th\u1ee9 \u0111\u01b0\u1ee3c ch\u00f4n v\u00e0o trong b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u00ednh x\u00e1c v\u00e0 bu\u1ed9c an to\u00e0n, \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4ng chuy\u1ec3n v\u1ecb do c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                T\u1ea5t c\u1ea3 c\u00e1c h\u1ed1 m\u00f3ng \u0111\u00e0o v\u00e0 h\u1ed1 m\u00f3ng \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p nh\u1eadn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t\u00a0 tr\u01b0\u1edbc khi \u0111\u1eb7t v\u00e1n khu\u00f4n ho\u1eb7c c\u1ed1t th\u00e9p ho\u1eb7c \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                T\u1ea1i n\u01a1i \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t, khu\u00f4n \u0111\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1eb1ng c\u00e1ch \u0111\u00e0o, c\u00e1c m\u1eb7t b\u00ean v\u00e0 \u0111\u00e1y \u0111\u01b0\u1ee3c s\u1eeda sang b\u1eb1ng tay theo \u0111\u00fang k\u00edch th\u01b0\u1edbc y\u00eau c\u1ea7u. D\u1ecdn s\u1ea1ch \u0111\u1ea5t r\u1eddi r\u1ea1c tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                Tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng ch\u00fang t\u00f4i s\u1ebd th\u00f4ng b\u00e1o cho t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t bi\u1ebft tr\u01b0\u1edbc b\u1eb1ng v\u0103n b\u1ea3n v\u00e0 cho \u0111\u1ebfn khi t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ki\u1ec3m tra xong v\u00e1n khu\u00f4n v\u00e0 c\u1ed1t th\u00e9p v\u00e0 ch\u1ea5p thu\u1eadn ch\u00fang t\u00f4i m\u1edbi ti\u1ebfn h\u00e0nh \u0111\u1ed5 b\u00ea t\u00f4ng tr\u01b0\u1edbc s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i.<\/p>\n

                Ngay tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng, v\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c l\u00e0m b\u00e3o ho\u00e0 n\u01b0\u1edbc ho\u1eb7c \u0111\u01b0\u1ee3c ph\u1ee7 b\u00ean trong b\u1eb1ng d\u1ea7u kho\u00e1ng ch\u1ea5t kh\u00f4ng l\u00e0m b\u1ea9n.<\/p>\n

                Vi\u1ec7c \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u1ea3m b\u1ea3o kh\u00f4ng l\u00e0m sai l\u1ec7ch v\u1ecb tr\u00ed c\u1ed1t th\u00e9p, v\u1ecb tr\u00ed c\u1ed1t pha v\u00e0 chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 c\u1ed1t th\u00e9p.<\/p>\n

                B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5 li\u00ean t\u1ee5c cho \u0111\u1ebfn khi ho\u00e0n th\u00e0nh m\u1ed9t k\u1ebft c\u1ea5u ho\u1eb7c \u0111\u1ebfn m\u1ea1ch d\u1eebng k\u1ef9 thu\u1eadt c\u1ee7a c\u1ea5u ki\u1ec7n.<\/p>\n

                C\u00e1c m\u1ea1ch d\u1eebng k\u1ef9 thu\u1eadt khi \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh trong b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng c\u1ee5 th\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi t\u00ednh ch\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a t\u1eebng lo\u1ea1i c\u1ea5u ki\u1ec7n v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                B\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a b\u00ea t\u00f4ng c\u0169 \u0111\u01b0\u1ee3c x\u1eed l\u00fd l\u00e0m nh\u00e1m, l\u00e0m \u1ea9m v\u00e0 s\u1ea1ch. \u0110\u1ea7m n\u00e9n k\u1ef9 v\u1eefa b\u00ea t\u00f4ng m\u1edbi \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u1ec1n kh\u1ed1i.<\/p>\n

                Trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng ch\u00fang t\u00f4i lu\u00f4n c\u1ed1 g\u1eafng d\u00f9ng c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng ph\u00e2n t\u1ea7ng cho b\u00ea t\u00f4ng gi\u1eefa c\u00e1c h\u1ea1t to v\u00e0 h\u1ea1t nh\u1ecf trong h\u1ed7n h\u1ee3p.<\/p>\n

                Khi \u0111\u1ed5 v\u00e0o c\u00e1c k\u1ebft c\u1ea5u c\u00f3 v\u00e1n khu\u00f4n ph\u1ee9c t\u1ea1p v\u00e0 d\u00e0y \u0111\u1eb7c c\u1ed1t th\u00e9p, b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5 th\u00e0nh t\u1eebng l\u1edbp n\u1eb1m ngang kh\u00f4ng d\u00e0y qu\u00e1 15cm.<\/p>\n

                B\u00ea t\u00f4ng kh\u00f4ng \u0111\u1ec3 r\u01a1i t\u1ef1 do v\u00e0o trong v\u00e1n khu\u00f4n t\u1eeb \u0111\u1ed9 cao l\u1edbn h\u01a1n 150cm.<\/p>\n

                Qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n v\u1edbi m\u1ed9t t\u1ed1c \u0111\u1ed9 sao cho b\u00ea t\u00f4ng \u0111\u1ed5 tr\u01b0\u1edbc k\u1ebft h\u1ee3p v\u1edbi b\u00ea t\u00f4ng t\u01b0\u01a1i l\u00fac c\u00f2n \u0111ang d\u1ebbo.<\/p>\n

                Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed5 b\u00ea t\u00f4ng, \u0111\u1ea7m b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 trong thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng chi ti\u1ebft \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn, ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng lo\u1ea1i b\u1ed9 ph\u1eadn c\u1ea5u ki\u1ec7n (b\u00ea t\u00f4ng d\u01b0\u1edbi n\u01b0\u1edbc, b\u00ea t\u00f4ng d\u1ea7m, b\u00ea t\u00f4ng kh\u1ed1i l\u1edbn\u2026).<\/p>\n

                Khi thi c\u00f4ng c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh d\u00f9ng nhi\u1ec1u lo\u1ea1i \u0111\u1ea7m kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea7m nh\u01b0ng lu\u00f4n ph\u1ea3i \u0111\u1ea3m b\u1ea3o b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t kh\u00f4ng r\u1ed7.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u1ed1 k\u1ebft:<\/em><\/strong><\/p>\n

                B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c c\u1ed1 k\u1ebft b\u1eb1ng c\u00e1c \u0111\u1ea7m rung trong ho\u1eb7c ngo\u00e0i \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t. Khi c\u1ea7n n\u1ebfu \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t, \u0111\u1ea7m rung \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1eb1ng c\u00e1ch x\u1ecdc x\u00e0 beng \u0111\u1ea3m b\u1ea3o vi\u1ec7c c\u1ed1 k\u1ebft th\u00edch \u0111\u00e1ng, \u0111\u00fang m\u1ee9c. Kh\u00f4ng d\u00f9ng \u0111\u1ea7m rung \u0111\u1ec3 d\u1ed3n b\u00ea t\u00f4ng t\u1eeb ch\u1ed7 n\u00e0y t\u1edbi ch\u1ed7 kh\u00e1c trong v\u00e1n khu\u00f4n.<\/p>\n

                Trong khi c\u1ed1 k\u1ebft \u0111\u1ea3m b\u1ea3o cho t\u1ea5t c\u1ea3 c\u00e1c g\u00f3c v\u00e0 gi\u1eefa c\u00e1c c\u1ed1t th\u00e9p v\u00e0 xung quanh c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c nh\u1ed3i \u0111\u1ea7y \u0111\u1ee7, kh\u00f4ng l\u00e0m d\u1ecbch chuy\u1ec3n khung c\u1ed1t th\u00e9p, t\u1ea5t c\u1ea3 c\u00e1c l\u1ed7 r\u1ed7ng v\u00e0 bong b\u00f3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y.<\/p>\n

                Vi\u1ec7c rung \u0111\u01b0\u1ee3c h\u1ea1n ch\u1ebf trong th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m cho b\u00ea t\u00f4ng c\u1ed1 k\u1ebft\u00a0 nh\u01b0ng kh\u00f4ng l\u00e0m ph\u00e2n t\u1ea7n c\u00e1c v\u1eadt li\u1ec7u.<\/p>\n

                C\u00e1c \u0111\u1ea7m rung ngo\u00e0i \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o \u00edt nh\u1ea5t 5000 chu k\u1ef3\/ph\u00fat khi d\u00f9ng b\u00ea t\u00f4ng c\u00f3 \u0111\u1ed9 s\u1ee5t 2.5 ho\u1eb7c \u00edt h\u01a1n.<\/p>\n

                \u0110\u1ea7m rung trong \u0111\u01b0\u1ee3c \u0111\u01b0a th\u1eb3ng \u0111\u1ee9ng v\u00e0o trong b\u00ea t\u00f4ng \u01b0\u1edbt \u0111\u1ec3 cho \u0111\u1ea7m xu\u1ed1ng t\u1eadn \u0111\u00e1y c\u1ee7a b\u00ea t\u00f4ng m\u1edbi \u0111\u1ed5 v\u00e0 l\u00e0m c\u1ed1 k\u1ebft b\u00ea t\u00f4ng tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u s\u00e2u c\u1ee7a \u0111o\u1ea1n \u0111\u00f3. \u0110\u1ea7m rung sau \u0111\u00f3 \u0111\u01b0\u1ee3c r\u00fat l\u00ean t\u1eeb t\u1eeb v\u00e0 l\u1ea1i \u0111\u01b0a v\u00e0o v\u1ecb tr\u00ed c\u1ea1ch \u0111\u00f3 c\u00e1ch kh\u00f4ng xa qu\u00e1 45cm. \u0110\u1ea7m rung kh\u00f4ng \u0111\u1eb7t t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed l\u00e2u qu\u00e1 30 gi\u00e2y, kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 d\u1ed3n b\u00ea t\u00f4ng sang v\u1ecb tr\u00ed kh\u00e1c v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea1m v\u00e0o c\u1ed1t th\u00e9p.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 d. B\u1ea3o d\u01b0\u1ee1ng v\u00e0 ho\u00e0n thi\u1ec7n:<\/em><\/strong><\/p>\n

                Sau khi \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng trong \u0111i\u1ec1u ki\u1ec7n \u1ea9m. Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng \u00edt nh\u1ea5t trong m\u00f9a kh\u00f4 l\u00e0 7 ng\u00e0y, m\u00f9a m\u01b0a l\u00e0 3 ng\u00e0y v\u00e0 theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                e. M\u1eabu th\u1eed b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

                C\u00e1c m\u1eabu th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c l\u1ea5y ngay t\u1ea1i n\u01a1i \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng ph\u00f9 h\u1ee3p v\u1edbi quy \u0111\u1ecbnh c\u1ee7a ti\u00eau chu\u1ea9n TCVN 3105 – 1993.<\/p>\n

                K\u00edch th\u01b0\u1edbc chu\u1ea9n c\u1ee7a m\u1eabu th\u1eed l\u00e0 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng 150 x 150 x 150 mm s\u1ed1 l\u01b0\u1ee3ng m\u1eabu th\u1eed tu\u1ef3 theo kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo quy ph\u1ea1m:<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 III.<\/strong> C\u00d4NG T\u00c1C C\u1ed0T TH\u00c9P<\/strong><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Y\u00eau c\u1ea7u chung:<\/em><\/strong><\/p>\n

                C\u1ed1t th\u00e9p d\u00f9ng trong c\u1ea5u ki\u1ec7n BTCT \u0111\u01b0\u1ee3c gia c\u00f4ng l\u1eafp, \u0111\u1eb7t \u0111\u00fang b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf, ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n v\u1ebd t\u1ed5 ch\u1ee9c thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t.<\/p>\n

                C\u1ed1t th\u00e9p s\u1eed d\u1ee5ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi TCVN 1651 \u201385 \u201cB\u00ea t\u00f4ng c\u1ed1t Th\u00e9p <\/em>\u201c v\u00e0 ph\u1ea3i c\u00f3 ch\u1ee9ng ch\u1ec9 k\u1ef9 thu\u1eadt c\u1ee7a c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t k\u00e8m theo.<\/p>\n

                T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i c\u1ed1t th\u00e9p \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng cho thi c\u00f4ng c\u00f4ng tr\u00ecnh ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5y m\u1eabu \u0111\u1ec3 ki\u1ec3m tra theo TCVN 197-85 v\u00e0 TCVN 198-85 \u201cKim lo\u1ea1i, ph\u01b0\u01a1ng ph\u00e1p th\u1eed k\u00e9o, th\u1eed u\u1ed1n<\/em>\u201d. \u0110\u1ea3m b\u1ea3o c\u00e1c t\u00ednh ch\u1ea5t c\u01a1 l\u00fd sau:<\/p>\n\n\n\n\n\n
                \n

                Nh\u00f3m c\u1ed1t th\u00e9p<\/p>\n<\/td>\n

                		\n

                \u0110\u01b0\u1eddng k\u00ednh (mm)<\/p>\n<\/td>\n

                		\n

                Gi\u1edbi h\u1ea1n ch\u1ea3y (daN\/cm2<\/sup>)<\/p>\n<\/td>\n

                		\n

                C\u01b0\u1eddng \u0111\u1ed9 c\u1ef1c h\u1ea1n (daN\/cm2<\/sup>)<\/p>\n<\/td>\n

                		\n

                \u0110\u1ed9 gi\u00e3n d\u00e0i t\u01b0\u01a1ng \u0111\u1ed1i (%)<\/p>\n<\/td>\n

                		\n

                Th\u00ed nghi\u1ec7m u\u1ed1n ngu\u1ed9i<\/p>\n

                c: \u0111\u1ed9 d\u00e0y tr\u1ee5c u\u1ed1n<\/p>\n

                d: \u0110\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p<\/p>\n<\/td>\n<\/tr>\n

                \n

                \n<\/td>\n

                		\n

                Kh\u00f4ng nh\u1ecf h\u01a1n<\/p>\n<\/td>\n<\/tr>\n

                \n

                AI<\/p>\n

                AII<\/p>\n

                AIII<\/p>\n<\/td>\n

                		\n

                6-40<\/p>\n

                10-40<\/p>\n

                10-40<\/p>\n<\/td>\n

                		\n

                2.200<\/p>\n

                3.000<\/p>\n

                4.000<\/p>\n<\/td>\n

                		\n

                3.800<\/p>\n

                5.000<\/p>\n

                6.000<\/p>\n<\/td>\n

                		\n

                25<\/p>\n

                19<\/p>\n

                14<\/p>\n<\/td>\n

                		\n

                C =0.5d-180o<\/sup><\/p>\n

                C =3d-180o<\/sup><\/p>\n

                C =3d-90o<\/sup><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                <\/div>\n

                – Th\u00e9p c\u00e1c lo\u1ea1i: S\u1eed d\u1ee5ng th\u00e9p t\u00ednh ch\u1ea5t c\u01a1 l\u00fd \u0111\u1ea3m b\u1ea3o theo \u0111\u00fang TCVN \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0, tr\u01b0\u1edbc khi \u0111em s\u1eed d\u1ee5ng v\u00e0o c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau \u0111\u1ea3m b\u1ea3o theo \u0111\u00fang ti\u00eau chu\u1ea9n c\u1ee7a thi\u1ebft k\u1ebf \u0111\u1ec1 ra:<\/p>\n

                – Th\u00e9p c\u00e1n c\u00f3 g\u1edd v\u00e0 tr\u00f2n tr\u01a1n- C\u01b0\u1eddng \u0111\u1ed9 theo \u0111\u00fang h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/p>\n

                – Th\u00e9p h\u00ecnh th\u00e9p b\u1ea3n CT5.<\/p>\n

                C\u1ed1t th\u00e9p s\u1eed d\u1ee5ng trong c\u00f4ng tr\u00ecnh \u0111\u1ea3m b\u1ea3o c\u00e1c t\u00ednh n\u0103ng k\u1ef9 thu\u1eadt quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n v\u1ec1 c\u1ed1t th\u00e9p.<\/p>\n

                Tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng th\u00e9p \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u1ea1i c\u00e1c c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n theo y\u00eau c\u1ea7u c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ec9 khi \u0111\u1ea1t y\u00eau c\u1ea7u v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 c\u1ed1t th\u00e9p m\u1edbi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

                Nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng c\u1ed1t th\u00e9p theo \u0111\u00fang y\u00eau c\u1ea7u v\u1ec1 nh\u00f3m, s\u1ed1 hi\u1ec7u v\u00e0 \u0111\u01b0\u1eddng k\u00ednh th\u00e9p quy \u0111\u1ecbnh trong b\u1ea3n v\u1ebd thi c\u00f4ng c\u00f4ng tr\u00ecnh.<\/p>\n

                Trong tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft, vi\u1ec7c thay \u0111\u1ed5i c\u1ed1t th\u00e9p (\u0111\u01b0\u1eddng k\u00ednh, ch\u00fang lo\u1ea1i) nh\u1ea5t thi\u1ebft ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n Thi\u1ebft k\u1ebf.<\/p>\n

                N\u1ebfu ph\u1ea3i s\u1eed d\u1ee5ng c\u1ed1t th\u00e9p x\u1eed l\u00fd ngu\u1ed9i thay c\u1ed1t th\u00e9p c\u00e1n n\u00f3ng nh\u1ea5t thi\u1ebft ph\u1ea3i c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n thi\u1ebft k\u1ebf v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0. Khi d\u00f9ng c\u1ed1t th\u00e9p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn thay th\u1ebf c\u1ed1t th\u00e9p \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf ph\u1ea3i ki\u1ec3m tra l\u1ef1c d\u00ednh gi\u1eefa b\u00ea t\u00f4ng v\u00e0 c\u1ed1t th\u00e9p, \u0111\u1ed3ng th\u1eddi ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t c\u1ee7a c\u1ea5u ki\u1ec7n.<\/p>\n

                C\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c gia c\u00f4ng theo nguy\u00ean t\u1eafc t\u1ea1o th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn ch\u1eafc ch\u1eafn, v\u1eadn chuy\u1ec3n v\u00e0 l\u1eafp d\u1ef1ng d\u1ec5 d\u00e0ng.<\/p>\n

                Vi\u1ec7c n\u1ed1i bu\u1ed9c c\u1ed1t th\u00e9p ch\u1ec9 d\u00f9ng khi kh\u1ed1i l\u01b0\u1ee3ng c\u1ed1t th\u00e9p kh\u00f4ng l\u1edbn ho\u1eb7c t\u1ea1i c\u00e1c v\u1ecb tr\u00ed k\u1ebft c\u1ea5u kh\u00f4ng cho ph\u00e9p h\u00e0n.<\/p>\n

                C\u1ed1t th\u00e9p tr\u01b0\u1edbc khi gia c\u00f4ng v\u00e0 tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o:<\/p>\n

                – B\u1ec1 m\u1eb7t s\u1ea1ch, kh\u00f4ng d\u00ednh b\u00f9n \u0111\u1ea5t, d\u1ea7u m\u1ee1, kh\u00f4ng c\u00f3 v\u1ea9y s\u1eaft v\u00e0 c\u00e1c l\u1edbp g\u1ec9.<\/p>\n

                – C\u00e1c thanh th\u00e9p b\u1ecb b\u1eb9p, b\u1ecb gi\u1ea3m ti\u1ebft di\u1ec7n do l\u00e0m s\u1ea1ch ho\u1eb7c do c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p l\u00e0 2% \u0111\u01b0\u1eddng k\u00ednh.<\/p>\n

                – C\u1ed1t th\u00e9p c\u1ea7n \u0111\u01b0\u1ee3c k\u00e9o, u\u1ed1n, n\u1eafn th\u1eb3ng.<\/p>\n

                Kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e9t n\u01b0\u1edbc xi m\u0103ng l\u00ean c\u1ed1t th\u00e9p \u0111\u1ec3 ph\u00f2ng r\u1ec9 tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng. Nh\u1eefng \u0111o\u1ea1n th\u00e9p ch\u1edd \u0111\u1ec3 th\u1eeba ra ngo\u00e0i kh\u1ed1i b\u00ea t\u00f4ng \u0111\u1ed5 l\u1ea7n tr\u01b0\u1edbc ph\u1ea3i l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t, c\u1ea1o h\u1ebft v\u1eefa xi m\u0103ng d\u00ednh b\u00e1m t\u1eeb tr\u01b0\u1edbc.<\/p>\n

                Vi\u1ec7c b\u1ea3o qu\u1ea3n c\u1ed1t th\u00e9p c\u1ea7n theo t\u1eebng nh\u00f3m ri\u00eang v\u00e0 c\u00f3 bi\u1ec7n ph\u00e1p ch\u1ed1ng \u0103n m\u00f2n, ch\u1ed1ng r\u1ec9.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Gia c\u00f4ng c\u1ed1t th\u00e9p<\/em><\/strong><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. C\u1eaft u\u1ed1n c\u1ed1t th\u00e9p.<\/em><\/strong><\/p>\n

                Vi\u1ec7c c\u1eaft u\u1ed1n c\u1ed1t th\u00e9p ch\u1ec9 th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh d\u00e1ng, k\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf.<\/p>\n

                Sai l\u1ec7ch cho ph\u00e9p v\u1edbi \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p \u0111\u00e3 gia c\u00f4ng:<\/p>\n

                – V\u1ec1 k\u00edch th\u01b0\u1edbc chi\u1ec1u d\u00e0i c\u1ee7a c\u1ed1t th\u00e9p ch\u1ecbu l\u1ef1c:<\/p>\n

                + M\u1ed7i m\u00e9t d\u00e0i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b15mm<\/p>\n

                + To\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b120mm<\/p>\n

                – Sai l\u1ec7ch v\u1ec1 v\u1ecb tr\u00ed \u0111i\u1ec3m u\u1ed1n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b120mm<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 – Sai l\u1ec7ch v\u1ec1 g\u00f3c u\u1ed1n c\u1ed1t th\u00e9p:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 30<\/sup><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0 – Sai l\u00each v\u1ec1 k\u00edch th\u01b0\u1edbc m\u00f3c u\u1ed1n:\u00a0\u00a0\u00a0\u00a0\u00a0 +a<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (a l\u00e0 chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 c\u1ed1t th\u00e9p)<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b. H\u00e0n c\u1ed1t th\u00e9p<\/em><\/strong><\/p>\n

                Vi\u1ec7c h\u00e0n c\u1ed1t th\u00e9p tu\u1ef3 theo \u0111i\u1ec1u ki\u1ec7n, v\u1ecb tr\u00ed c\u1ee5 th\u1ec3 c\u1ee7a c\u00f4ng tr\u00ecnh m\u00e0 ch\u00fang t\u00f4i c\u00f3 th\u1ec3 ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p v\u00e0 c\u00f4ng ngh\u1ec7 h\u00e0n kh\u00e1c nhau, nh\u01b0ng lu\u00f4n ph\u1ea3i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c m\u1ed1i h\u00e0n theo ti\u00eau chu\u1ea9n 20 TCN 71-77. \u201cCh\u1ec9 d\u1eabn h\u00e0n c\u1ed1t th\u00e9p v\u00e0 c\u00e1c chi ti\u1ebft \u0111\u1eb7t s\u1eb5n trong c\u1ea5u ki\u1ec7n BTCT\u201d<\/em>.<\/p>\n

                H\u00e0n h\u1ed3 quang \u0111\u01b0\u1ee3c d\u00f9ng khi h\u00e0n c\u00e1c thanh th\u00e9p c\u00e1n n\u00f3ng c\u00f3 d>8mm, h\u00e0n n\u1ed1i c\u00e1c chi ti\u1ebft \u0111\u1eb7t s\u1eb5n, c\u00e1c m\u1ed1i n\u1ed1i trong l\u1eafp gh\u00e9p.<\/p>\n

                C\u00e1c m\u1ed1i h\u00e0n ph\u1ea3i \u0111\u1ea3m b\u1ea3o:<\/p>\n

                – B\u1ec1 m\u1eb7t nh\u1eb5n, kh\u00f4ng ch\u1ea3y, kh\u00f4ng \u0111\u1ee9t qu\u00e3ng, kh\u00f4ng thu h\u1eb9p c\u1ee5c b\u1ed9 v\u00e0 kh\u00f4ng c\u00f3 b\u1ecdt.<\/p>\n

                – C\u00f3 chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u cao \u0111\u01b0\u1eddng h\u00e0n theo quy \u0111\u1ecbnh c\u1ee7a h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 c. N\u1ed1i bu\u1ed9c th\u00e9p.<\/em><\/strong><\/p>\n

                Kh\u00f4ng n\u1ed1i bu\u1ed9c \u1edf c\u00e1c v\u1ecb tr\u00ed ch\u1ecbu l\u1ef1c l\u1edbn, ch\u1ed7 u\u1ed1n cong. Trong m\u1ed9t m\u1eb7t c\u1eaft ngang ti\u1ebft di\u1ec7n k\u1ebft c\u1ea5u kh\u00f4ng n\u1ed1i qu\u00e1 25% di\u1ec7n t\u00edch t\u1ed5ng c\u1ed9ng c\u1ee7a c\u1ed1t th\u00e9p ch\u1ecbu l\u1ef1c \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p tr\u00f2n tr\u01a1n v\u00e0 kh\u00f4ng qu\u00e1 50% \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p c\u00f3 g\u1edd.<\/p>\n

                Chi\u1ec1u d\u00e0i n\u1ed1i bu\u1ed9c c\u1ee7a c\u1ed1t th\u00e9p ch\u1ecbu l\u1ef1c trong c\u00e1c khung v\u00e0 l\u01b0\u1edbi c\u1ed1t th\u00e9p kh\u00f4ng nh\u1ecf h\u01a1n 250mm \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p ch\u1ecbu k\u00e9o\u00a0 v\u00e0 kh\u00f4ng nh\u1ecf h\u01a1n 30d \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p c\u00f3 m\u1ed1i n\u1ed1i \u0111\u1eb7t trong v\u00f9ng ch\u1ecbu n\u00e9n.<\/p>\n

                – D\u00e2y bu\u1ed9c d\u00f9ng lo\u1ea1i d\u00e2y th\u00e9p m\u1ec1m \u0111\u01b0\u1eddng k\u00ednh 1mm.<\/p>\n

                – Trong c\u00e1c m\u1ed1i n\u1ed1i c\u1ea7n bu\u1ed9c \u00edt nh\u1ea5t 3 v\u1ecb tr\u00ed (\u1edf gi\u1eefa v\u00e0 hai \u0111\u1ea7u).<\/p>\n

                Trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p c\u00e1c g\u00f3c c\u1ee7a \u0111ai th\u00e9p v\u1edbi th\u00e9p ch\u1ecbu l\u1ef1c ph\u1ea3i bu\u1ed9c ho\u1eb7c h\u00e0n d\u00ednh 100%.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. V\u1eadn chuy\u1ec3n v\u00e0 l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p<\/em><\/strong><\/p>\n

                Khi v\u1eadn chuy\u1ec3n c\u1ed1t th\u00e9p \u0111\u00e3 gia c\u00f4ng t\u1eeb n\u01a1i ch\u1ebf t\u1ea1o t\u1edbi n\u01a1i l\u1eafp d\u1ef1ng ph\u1ea3i \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 kh\u00f4ng l\u00e0m h\u01b0 h\u1ecfng v\u00e0 bi\u1ebfn d\u1ea1ng th\u00e0nh ph\u1ea9m.<\/p>\n

                – N\u1ebfu c\u1ea7n thi\u1ebft ph\u1ea3i ph\u00e2n nh\u1ecf c\u00e1c th\u00e0nh ph\u1ea9m \u0111\u00e3 gia c\u00f4ng \u0111\u1ec3 v\u1eadn chuy\u1ec3n c\u1ea9u l\u1eafp ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi quy \u0111\u1ecbnh thi\u1ebft k\u1ebf\u00a0 v\u00e0 c\u00f3 s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – C\u00e1c \u0111i\u1ec3m \u0111\u1eb7t m\u00f3c c\u1ea9u, treo bu\u1ed9c v\u00e0 c\u00e1c v\u1ecb tr\u00ed g\u1ed1i t\u1ef1a khi v\u1eadn chuy\u1ec3n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n v\u1ebd bi\u1ec7n ph\u00e1p thi c\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o kh\u00f4ng g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng d\u01b0 trong c\u1ed1t th\u00e9p.<\/p>\n

                Khi l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p c\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p gi\u1eef \u1ed5n \u0111\u1ecbnh c\u1ed1t th\u00e9p kh\u00f4ng \u0111\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng khi \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u00fang v\u1ecb tr\u00ed thi\u1ebft k\u1ebf.<\/p>\n

                – Tr\u01b0\u1eddng h\u1ee3p v\u00e1n khu\u00f4n \u0111\u00e3 l\u1eafp d\u1ef1ng tr\u01b0\u1edbc, ch\u1ec9 cho ph\u00e9p l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p sau khi \u0111\u00e3 ki\u1ec3m tra nghi\u1ec7m thu xong v\u00e1n khu\u00f4n.<\/p>\n

                – \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 c\u1ed1t th\u00e9p, ph\u1ea3i \u0111\u1eb7t c\u00e1c \u0111\u1ec7m \u0111\u1ecbnh v\u1ecb b\u1eb1ng xi m\u0103ng c\u00e1t gi\u1eefa c\u1ed1t th\u00e9p v\u00e0 v\u00e1n khu\u00f4n. Kh\u00f4ng cho ph\u00e9p d\u00f9ng \u0111\u1ea7u m\u1ea9u c\u1ed1t th\u00e9p, g\u1ed7, \u0111\u00e1 ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n c\u1ed1t th\u00e9p ph\u00e1 hu\u1ef7 b\u00ea t\u00f4ng.<\/p>\n

                – Sai l\u1ec7ch chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 so v\u1edbi thi\u1ebft k\u1ebf 3mm \u0111\u1ed1i v\u1edbi l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 c\u00f3 chi\u1ec1u d\u00e0y \u0111\u1ebfn 15mm, v\u00e0 \u00a35mm \u0111\u1ed1i v\u1edbi l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 c\u00f3 chi\u1ec1u d\u00e0y l\u1edbn h\u01a1n 15mm.<\/p>\n

                – Sai l\u1ec7ch cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p \u0111\u00e3 l\u1eafp d\u1ef1ng:<\/p>\n

                + Sai s\u1ed1 v\u1ec1 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c thanh ch\u1ecbu l\u1ef1c \u0111\u1eb7c bi\u1ec7t:<\/p>\n

                \u0110\u1ed1i v\u1edbi c\u1ecdc, d\u1ea7m, c\u1ed9t:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b110mm<\/p>\n

                \u0110\u1ed1i v\u1edbi t\u01b0\u1eddng, b\u1ea3n, m\u00f3ng d\u01b0\u1edbi k\u1ebft c\u1ea5u khung:\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b120mm<\/p>\n

                \u0110\u1ed1i v\u1edbi k\u1ebft c\u1ea5u kh\u1ed1i l\u1edbn:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b130mm<\/p>\n

                + Sai s\u1ed1 v\u1ec1 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c h\u00e0ng c\u1ed1t th\u00e9p khi b\u1ed1 tr\u00ed nhi\u1ec1u h\u00e0ng theo chi\u1ec1u cao:<\/p>\n

                \u0110\u1ed1i v\u1edbi m\u00f3ng \u0111\u1eb7t d\u01b0\u1edbi k\u1ebft c\u1ea5u v\u00e0 thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b120mm<\/p>\n

                \u0110\u1ed1i v\u1edbi d\u1ea7m, khung, b\u1ea3n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b15mm<\/p>\n

                + Sai l\u1ec7ch v\u1ec1 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c c\u1ed1t \u0111ai:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b110mm<\/p>\n

                + Sai l\u1ec7ch v\u1ec1 kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c thanh trong h\u00e0ng:\u00a0\u00a0 \u00b125mm<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. Ki\u1ec3m tra<\/em><\/strong><\/p>\n

                \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, Nh\u00e0 th\u1ea7u Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n ch\u00fang t\u00f4i th\u01b0\u1eddng xuy\u00ean t\u1ed5 ch\u1ee9c ki\u1ec3m tra gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng. C\u00e1c y\u00eau c\u1ea7u trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u00e0:<\/p>\n

                – S\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng, c\u1ee1 lo\u1ea1i c\u1ed1t th\u00e9p \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng ph\u1ea3i \u0111\u00fang v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                – C\u00f4ng t\u00e1c gia c\u00f4ng c\u1ed1t th\u00e9p, ph\u01b0\u01a1ng ph\u00e1p c\u1eaft u\u1ed1n v\u00e0 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t c\u1ed1t th\u00e9p khi gia c\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o. C\u00e1c tr\u1ecb s\u1ed1 cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u1ed1t th\u00e9p \u0111\u00e3 gia c\u00f4ng ph\u1ea3i \u0111\u00e1p \u1ee9ng \u0111\u00fang y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt.<\/p>\n

                – C\u00f4ng t\u00e1c h\u00e0n, n\u1ed1i: Xem x\u00e9t v\u00e0 \u00e1p d\u1ee5ng m\u1ed9t c\u00e1ch \u0111\u00fang \u0111\u1eafn v\u00e0 ki\u1ec3m tra ch\u1eb7t ch\u1ebd c\u00f4ng ngh\u1ec7 h\u00e0n, lo\u1ea1i que h\u00e0n, ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n, v\u1ecb tr\u00ed h\u00e0n v\u00e0 tr\u1ecb s\u1ed1 sai l\u1ec7ch cho ph\u00e9p.<\/p>\n

                – \u0110\u1ea3m b\u1ea3o s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n, c\u1ea9u l\u1eafp s\u1ea3n ph\u1ea9m c\u1ed1t th\u00e9p \u0111\u00e3 gia c\u00f4ng.<\/p>\n

                – Ch\u1ee7ng lo\u1ea1i, v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u1ed1t th\u00e9p \u0111\u00e3 l\u1eafp d\u1ef1ng ph\u1ea3i \u0111\u00fang v\u1edbi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, \u0111\u1ea3m b\u1ea3o tr\u1ecb s\u1ed1 sai l\u1ec7ch cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p.<\/p>\n

                – \u0110\u1ea3m b\u1ea3o s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a c\u00e1c lo\u1ea1i th\u00e9p ch\u1edd v\u00e0 chi ti\u1ebft \u0111\u1eb7t s\u1eb5n so v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                – \u0110\u1ea3m b\u1ea3o s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a c\u00e1c lo\u1ea1i \u0111\u1ec7m \u0111\u1ecbnh v\u1ecb, con k\u00ea, m\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1c \u0111i\u1ec3m k\u00ea v\u00e0 sai l\u1ec7ch chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 so v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                 <\/p>\n

                IV. THI C\u00d4NG S\u1ea2N XU\u1ea4T V\u00c0 L\u1eaeP\u00a0 D\u1ef0NG V\u00c1N KHU\u00d4N, \u0110\u00c0 GI\u00c1O:<\/strong><\/p>\n

                \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o cho c\u00e1c k\u1ebft c\u1ea5u b\u00ea t\u00f4ng v\u00e0 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p c\u00f3 h\u00ecnh d\u1ea1ng k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc \u0111\u00fang nh\u01b0 thi\u1ebft k\u1ebf, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng cho k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ee7a c\u00f4ng tr\u00ecnh, th\u00ec c\u00f4ng t\u00e1c thi c\u00f4ng v\u00e1n khu\u00f4n ph\u1ea3i \u0111\u01b0\u1ee3c coi tr\u1ecdng. Nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o th\u1ef1c hi\u1ec7n t\u1ed1t c\u00e1c nguy\u00ean t\u1eafc d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1.Y\u00eau c\u1ea7u chung:<\/em><\/strong><\/p>\n

                – T\u1ea5t c\u1ea3 c\u00e1c c\u1ed1t pha, c\u00e1c thanh ch\u1ed1ng v\u00e0 c\u00e1c gi\u00e0n gi\u00e1o ph\u1ea3i l\u00e0m b\u1eb1ng lo\u1ea1i g\u1ed7, th\u00e9p t\u1ea5m \u0111\u1ecbnh h\u00ecnh c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng ph\u00f9 h\u1ee3p ho\u1eb7c b\u1ea5t k\u1ef3 lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o kh\u00e1c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn, b\u1ea3o \u0111\u1ea3m cho v\u00e1n khu\u00f4n kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng trong qu\u00e1 tr\u00ecnh \u0111\u1eb7t c\u1ed1t th\u00e9p v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                – C\u1ed1t pha v\u00e0 \u0111\u00e0 gi\u00e1o c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng, \u1ed5n \u0111\u1ecbnh d\u1ec5 th\u00e1o l\u1eafp kh\u00f4ng g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c \u0111\u1eb7t c\u1ed1t th\u00e9p, \u0111\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng.<\/p>\n

                – C\u1ed1t pha ph\u1ea3i \u0111\u01b0\u1ee3c gh\u00e9p k\u00edn, kh\u00edt \u0111\u1ec3 kh\u00f4ng l\u00e0m m\u1ea5t n\u01b0\u1edbc xi m\u0103ng khi \u0111\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng, \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c b\u00ea t\u00f4ng m\u1edbi \u0111\u1ed5 d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a th\u1eddi ti\u1ebft.<\/p>\n

                – C\u1ed1t pha v\u00e0 \u0111\u00e0 gi\u00e1o c\u1ea7n gia c\u00f4ng l\u1eafp d\u1ef1ng sao cho \u0111\u1ea3m b\u1ea3o \u0111\u00fang h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a k\u1ebft c\u1ea5u theo qui \u0111\u1ecbnh thi\u1ebft k\u1ebf.<\/p>\n

                – C\u1ed1t pha \u0111\u00e0 gi\u00e1o ch\u1ebf t\u1ea1o t\u1ea1i nh\u00e0 m\u00e1y b\u1eb1ng th\u00e9p \u0111\u1ea3m b\u1ea3o c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng lu\u00e2n chuy\u1ec3n nhi\u1ec1u l\u1ea7n \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i k\u1ebft c\u1ea5u kh\u00e1c nhau.<\/p>\n

                – \u0110\u1ed1i v\u1edbi gi\u00e0n gi\u00e1o v\u00e0 tr\u1ee5 t\u1ea1m:<\/p>\n

                + Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh l\u00e0m c\u00e1c c\u00f4ng tr\u00ecnh t\u1ea1m, k\u1ec3 c\u1ea3 tr\u1ee5 t\u1ea1m hay gi\u00e0n gi\u00e1o \u0111\u1ec3 thi c\u00f4ng c\u00e1c k\u1ebft c\u1ea5u theo k\u1ebf ho\u1ea1ch d\u1ef1ng l\u1eafp \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t.<\/p>\n

                + Tr\u1ee5 t\u1ea1m ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ec3 thi c\u00f4ng cho t\u1ea5t c\u1ea3 c\u00e1c t\u1ea3i tr\u1ecdng m\u00e0 n\u00f3 c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ee1 theo y\u00eau c\u1ea7u.<\/p>\n

                + Nh\u00e0 th\u1ea7u s\u1ebd tr\u00ecnh T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t c\u00e1c b\u1ea3n v\u1ebd v\u00e0 t\u00ednh to\u00e1n c\u00f3 li\u00ean quan \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 c\u00e1c \u0111\u1ed9 v\u00f5ng l\u01b0\u1eddng tr\u01b0\u1edbc c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c gi\u00e0n gi\u00e1o v\u00e0 tr\u1ee5 t\u1ea1m d\u1ef1 ki\u1ebfn th\u1ef1c hi\u1ec7n v\u00e0 d\u1ef1ng.<\/p>\n

                + Vi\u1ec7c thi\u1ebft k\u1ebf gi\u00e0n gi\u00e1o v\u00e0 t\u00ednh to\u00e1n kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ee7a n\u1ec1n \u0111\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh sao cho n\u1ec1n \u0111\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u1ec1u tr\u00ean m\u1ecdi \u0111i\u1ec3m.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2.L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n v\u00e0 \u0111\u00e0 gi\u00e1o:<\/em><\/strong><\/p>\n

                – L\u1eafp d\u1ef1ng c\u1ed1t pha v\u00e0 \u0111\u00e0 gi\u00e1o c\u1ea7n \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n

                – B\u1ec1 m\u1eb7t c\u1ed1t pha ti\u1ebfp x\u00fac v\u1edbi b\u00ea t\u00f4ng c\u1ea7n \u0111\u01b0\u1ee3c ch\u1ed1ng d\u00ednh.<\/p>\n

                – Tr\u1ee5 \u0111\u1ee1 c\u1ee7a \u0111\u00e0 gi\u00e1o ph\u1ea3i \u0111\u1eb7t v\u1eefng ch\u1eafc tr\u00ean n\u1ec1n c\u1ee9ng, kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t v\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng khi ch\u1ecbu t\u1ea3i tr\u1ecdng v\u00e0 t\u00e1c \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

                – Khi l\u1eafp d\u1ef1ng c\u1ed1t pha c\u1ea7n c\u00f3 c\u00e1c m\u1ed1c tr\u1eafc \u0111\u1ea1c ho\u1eb7c c\u00f3 c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 thu\u1eadn l\u1ee3i cho vi\u1ec7c ki\u1ec3m tra tim tr\u1ee5c v\u00e0 cao \u0111\u1ed9 c\u1ee7a c\u00e1c k\u1ebft c\u1ea5u.<\/p>\n

                – <\/strong>Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ed1t pha c\u1ea7n c\u1ea9u t\u1ea1o m\u1ed9t l\u1ed7 h\u1ed5ng th\u00edch h\u1ee3p \u1edf ph\u00eda d\u01b0\u1edbi \u0111\u1ec3 khi c\u1ecd r\u1eeda m\u1eb7t n\u1ec1n, n\u01b0\u1edbc v\u00e0 r\u00e1c b\u1ea9n c\u00f3 ch\u1ed7 tho\u00e1t ra ngo\u00e0i. Tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng, c\u00e1c l\u1ed7 n\u00e0y \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn l\u1ea1i.<\/p>\n

                – Vi\u1ec7c th\u00e1o c\u1ed1t pha ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 cho \u0111\u1ea3m b\u1ea3o kh\u00f4ng g\u00e2y n\u00ean h\u01b0 h\u1ea1i g\u00ec cho b\u00ea t\u00f4ng. Ch\u1eebng n\u00e0o b\u00ea t\u00f4ng ch\u01b0a c\u00f3 \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 c\u1ea7n thi\u1ebft th\u00ec ch\u01b0a \u0111\u01b0\u1ee3c d\u1ee1 c\u1ed1t pha. Ch\u1ec9 \u0111\u01b0\u1ee3c d\u1ee1 khi b\u00ea t\u00f4ng \u0111\u1ea1t 90% c\u01b0\u1eddng \u0111\u1ed9, n\u1ebfu kh\u00e1c ph\u1ea3i c\u00f3 c\u1ef1 ch\u1ec9 \u0111\u1ea1o c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. Ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu c\u00f4ng t\u00e1c l\u1eafp d\u1ef1ng c\u1ed1t pha v\u00e0 \u0111\u00e0 gi\u00e1o:<\/em><\/strong><\/p>\n

                C\u1ed1t pha v\u00e0 \u0111\u00e0 gi\u00e1o khi l\u1eafp d\u1ef1ng xong \u0111\u01b0\u1ee3c ki\u1ec3m tra theo c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n

                – <\/strong>H\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u1eaft v\u00e0 \u0111o b\u1eb1ng th\u01b0\u1edbc. K\u1ebft qu\u1ea3 ki\u1ec3m tra ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi k\u1ebft c\u1ea5u c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 sai l\u1ec7ch \u00b1 10 mm.<\/p>\n

                – <\/strong>K\u1ebft c\u1ea5u c\u1ed1t pha \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u1eaft. K\u1ebft qu\u1ea3 ki\u1ec3m tra ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi k\u1ebft c\u1ea5u \u0111\u00e3 t\u00ednh to\u00e1n.<\/p>\n

                – <\/strong>\u0110\u1ed9 b\u1eb1ng ph\u1eb3ng gi\u1eefa c\u00e1c t\u1ea5m gh\u00e9p n\u1ed1i \u0111\u01b0\u1ee3c ki\u1ec3m ta b\u1eb1ng m\u1eaft. K\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ed9 g\u1ed3 gh\u1ec1 gi\u1eefa c\u00e1c t\u1ea5m \u00a3 3mm.<\/p>\n

                – <\/strong>\u0110\u1ed9 k\u00edn kh\u00edt gi\u1eefa c\u00e1c t\u1ea5m c\u1ed1t pha, gi\u1eefa c\u1ed1t pha v\u00e0 m\u1eb7t n\u1ec1n \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u1eaft. K\u1ebft qu\u1ea3 ki\u1ec3m tra l\u00e0 c\u1ed1t pha \u0111\u01b0\u1ee3c gh\u00e9p k\u00edn kh\u00edt \u0111\u1ea3m b\u1ea3o kh\u00f4ng m\u1ea5t n\u01b0\u1edbc xi m\u0103ng khi \u0111\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng.<\/p>\n

                – <\/strong>Chi ti\u1ebft ch\u00f4n ng\u1ea7m v\u00e0 \u0111\u1eb7t s\u1eb5n \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n th\u00edch h\u1ee3p. K\u1ebft qu\u1ea3 ki\u1ec3m tra c\u00e1c chi ti\u1ebft \u0111\u00f3 ph\u1ea3i \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc v\u00e0 s\u1ed1 l\u01b0\u1ee3ng theo qui \u0111\u1ecbnh.<\/p>\n

                – <\/strong>Ch\u1ed1ng d\u00ednh c\u1ed1t pha \u0111\u1ea3m b\u1ea3o ph\u1ee7 k\u00edn b\u1ec1 m\u1eb7t c\u1ee7a c\u1ed1t pha ti\u1ebfp x\u00fac v\u1edbi b\u00ea t\u00f4ng.<\/p>\n

                – <\/strong>V\u1ec7 sinh b\u00ean trong c\u1ed1t pha \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f2n r\u00e1c, b\u00f9n \u0111\u1ea5t v\u00e0 c\u00e1c ch\u1ea5t b\u1ea9n kh\u00e1c b\u00ean trong c\u1ed1t pha.<\/p>\n

                – <\/strong>\u0110\u1ed9 nghi\u00eang, cao \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ed1t pha \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u1eaft, m\u00e1y tr\u1eafc \u0111\u1ea1c v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p. K\u1ebft qu\u1ea3 ki\u1ec3m tra sai s\u1ed1 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 \u00b1 10mm.<\/p>\n

                – <\/strong>K\u1ebft c\u1ea5u \u0111\u00e0 gi\u00e1o \u0111\u01b0\u1ee3c l\u1eafp d\u1ef1ng \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc, s\u1ed1 l\u01b0\u1ee3ng v\u00e0 v\u1ecb tr\u00ed theo thi\u1ebft k\u1ebf.<\/p>\n

                – <\/strong>C\u1ed9t ch\u1ed1ng \u0111\u00e0 gi\u00e1o \u0111\u01b0\u1ee3c k\u00ea \u0111\u1ec7m v\u00e0 \u0111\u1eb7t tr\u00ean n\u1ec1n c\u1ee9ng, \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh.<\/p>\n

                – <\/strong>\u0110\u1ed9 c\u1ee9ng v\u00e0 \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u1eaft, \u0111\u1ed1i chi\u1ebfu v\u1edbi thi\u1ebft k\u1ebf \u0111\u00e0 gi\u00e1o \u0111\u1ea3m b\u1ea3o c\u1ed9t ch\u1ed1ng \u0111\u01b0\u1ee3c gi\u1eb1ng ch\u00e9o v\u00e0 gi\u1eb1ng ngang \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed theo thi\u1ebft k\u1ebf.<\/p>\n

                – <\/strong>C\u00f4ng t\u00e1c nghi\u1ec7m thu c\u00f4ng t\u00e1c l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n \u0111\u00e0 gi\u00e1o \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c \u0111\u00e1nh gi\u00e1 xem x\u00e9t k\u1ebft qu\u1ea3 ki\u1ec3m tra c\u00e1c sai l\u1ec7ch kh\u00f4ng qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p.<\/p>\n

                – C\u00e1c sai s\u1ed1 cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eb7t c\u1eaft b\u00ea t\u00f4ng c\u1ed1t th\u00e9p:<\/p>\n

                + C\u00e1c t\u1ea5m v\u00e1n bi\u00ean \u0111\u00fac s\u1eb5n, lan can,\u2026<\/p>\n

                – Chi\u1ec1u d\u00e0i: \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0+1mm, -5mm<\/p>\n

                – Chi\u1ec1u r\u1ed9ng v\u00e0 chi\u1ec1u cao:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b1 3mm<\/p>\n

                – \u0110\u1ed9 d\u00e0y c\u1ee7a m\u1ed9t ph\u1ea7n b\u1ea5t k\u1ef3:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b13mm<\/p>\n

                – \u0110\u1ed9 v\u00eanh theo chi\u1ec1u d\u00e0i c\u1ee7a to\u00e0n b\u1ed9 m\u1ed9t b\u1ed9 ph\u1eadn\u00a0 3mm\/m r\u1ed9ng<\/p>\n

                + C\u00e1c b\u1ed9 ph\u1eadn \u0111\u00fac s\u1eb5n kh\u00e1c:<\/p>\n

                – \u0110\u1ed9 th\u1eb3ng c\u1ee7a c\u1ea1nh v\u00e0 \u0111\u1ed9 ph\u1eb3ng c\u1ee7a b\u1ec1 m\u1eb7t \u00a0\u00a0\u00a0\u00a0\u00a0 chi\u1ec1u d\u00e0i\/100<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. Th\u00e1o d\u1ee1 c\u1ed1t pha v\u00e0 \u0111\u00e0 gi\u00e1o:<\/em><\/strong><\/p>\n

                – <\/strong>C\u1ed1t pha \u0111\u00e0 gi\u00e1o ch\u1ec9 \u0111\u01b0\u1ee3c th\u00e1o d\u1ee1 khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u1ebft c\u1ea5u ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n v\u00e0 t\u1ea3i tr\u1ecdng t\u00e1c \u0111\u1ed9ng kh\u00e1c trong giai \u0111o\u1ea1n thi c\u00f4ng sau.<\/p>\n

                – <\/strong>Khi th\u00e1o d\u1ee1 c\u1ed1t pha \u0111\u00e0 gi\u00e1o c\u1ea7n tr\u00e1nh kh\u00f4ng g\u00e2y \u1ee9ng su\u1ea5t \u0111\u1ed9t ng\u1ed9t ho\u1eb7c va ch\u1ea1m m\u1ea1nh l\u00e0m h\u01b0 h\u1ea1i k\u1ebft c\u1ea5u b\u00ea t\u00f4ng.<\/p>\n

                – <\/strong>C\u00e1c b\u1ed9 ph\u1eadn c\u1ed1t pha \u0111\u00e0 gi\u00e1o kh\u00f4ng c\u00f2n ch\u1ecbu l\u1ef1c sau khi b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u00f3ng r\u1eafn (nh\u01b0 c\u1ed1t pha th\u00e0nh b\u00ean c\u1ee7a d\u1ea7m, t\u01b0\u1eddng) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00e1o d\u1ee1 khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 tr\u00ean 50daN\/cm2.<\/p>\n

                – <\/strong>Vi\u1ec7c ch\u1ea5t to\u00e0n b\u1ed9 t\u1ea3i tr\u1ecdng l\u00ean c\u00e1c k\u1ebft c\u1ea5u \u0111\u00e3 th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n \u0111\u00e0 gi\u00e1o ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 V<\/strong>. THI C\u00d4NG C\u1ed0NG<\/strong><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Ph\u1ea1m vi c\u00f4ng vi\u1ec7c:<\/em><\/strong><\/p>\n

                Thi c\u00f4ng x\u00e2y l\u1eafp c\u00e1c c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc thu\u1ed9c c\u00e1c l\u00fd tr\u00ecnh nh\u01b0 trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng, ph\u00f9 h\u1ee3p v\u1edbi v\u1ecb tr\u00ed, h\u01b0\u1edbng tuy\u1ebfn, cao \u0111\u1ed9, \u0111\u1ed9 d\u1ed1c \u0111\u00e3 \u0111\u01b0\u1ee3c ghi trong h\u1ed3 s\u01a1 BVTC \u0111\u01b0\u1ee3c duy\u1ec7t v\u00e0 h\u01b0\u1edbng d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                C\u00f4ng vi\u1ec7c n\u00e0y bao g\u1ed3m m\u1ecdi c\u00f4ng vi\u1ec7c \u0111\u00e0o m\u00f3ng, \u0111\u1ea7m \u0111\u00e1y m\u00f3ng v\u00e0 l\u1ea5p m\u00f3ng ph\u00f9 h\u1ee3p v\u1edbi v\u1ecb tr\u00ed, cao \u0111\u1ed9, \u0111\u1ed9 d\u1ed1c v\u00e0 c\u00e1c m\u1eb7t c\u1eaft ghi tr\u00ean c\u00e1c b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf chi ti\u1ebft trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p>\n

                T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t c\u00f3 to\u00e0n quy\u1ec1n thay \u0111\u1ed5i v\u1ecb tr\u00ed \u0111\u1eb7t c\u1ed1ng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng:<\/em><\/strong><\/p>\n

                Ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng:<\/p>\n

                + C\u01a1 gi\u1edbi k\u1ebft h\u1ee3p th\u1ee7 c\u00f4ng.<\/p>\n

                + Thi c\u00f4ng to\u00e0n b\u1ed9 ph\u1ea7n c\u1ed1ng tho\u00e1t n\u01b0\u1edbc ngang \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1eafp \u0111\u1ea5t n\u1ec1n ph\u00eda tr\u00ean, c\u00f3 b\u1ed1 tr\u00ed giao th\u00f4ng \u0111i l\u1ea1i trong qu\u00e1 tr\u00ecnh thi c\u00f4ng n\u1ebfu th\u1ea5y c\u1ea7n thi\u1ebft. Trong tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng, v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u1eadp k\u1ebft tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh c\u00e1c c\u00f4ng t\u00e1c l\u1eafp d\u1ef1ng<\/p>\n

                 <\/p>\n

                 <\/p>\n

                * C\u01a1 gi\u1edbi:<\/strong><\/p>\n

                – \u0110\u00e0o m\u00f3ng, d\u00f9ng \u00f4t\u00f4 10-:-12T v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u x\u00e2y: c\u00e1t, \u0111\u00e1, xi m\u0103ng, \u1ed1ng c\u1ed1ng … t\u1edbi v\u1ecb tr\u00ed thi c\u00f4ng, v\u1eadn chuy\u1ec3n \u0111\u1ea5t th\u1eeba t\u1edbi v\u1ecb tr\u00ed \u0111\u1ed5.<\/p>\n

                – C\u1ea9u l\u1eafp \u0111\u1eb7t c\u1ea5u ki\u1ec7n \u0111\u00fac s\u1eb5n.<\/p>\n

                – D\u00f9ng \u0111\u1ea7m c\u00f3c \u0111\u1ec3 \u0111\u1ea7m m\u00f3ng, \u0111\u1ea7m d\u00f9i \u0111\u1ec3 \u0111\u1ea7m v\u1eefa b\u00ea t\u00f4ng.<\/p>\n

                – M\u00e1y tr\u1ed9n v\u1eefa, m\u00e1y tr\u1ed9n b\u00ea t\u00f4ng.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * Nh\u00e2n l\u1ef1c:<\/strong><\/p>\n

                – S\u1eeda ho\u00e0n thi\u1ec7n ph\u1ea7n m\u00e1y \u0111\u00e0o thi c\u00f4ng h\u1ed1 m\u00f3ng.<\/p>\n

                – V\u1eadn chuy\u1ec3n c\u00e1c v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb thi c\u00f4ng c\u1ed1ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf v\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n ng\u1eafn.<\/p>\n

                – \u0110\u00e0o nh\u1eefng v\u1ecb tr\u00ed kh\u00f4ng th\u00edch h\u1ee3p v\u1edbi TC c\u01a1 gi\u1edbi v\u00e0 ho\u00e0n thi\u1ec7n m\u00f3ng c\u1ed1ng.<\/p>\n

                – C\u00f4ng vi\u1ec7c l\u1eafp, h\u1ea1 \u1ed1ng c\u1ed1ng ch\u00e8n mi\u1ebft m\u1ea1ch n\u1ed1i c\u00e1c \u1ed1ng c\u1ed1ng, l\u1edbp ph\u00f2ng n\u01b0\u1edbc.<\/p>\n

                – \u0110\u1ed5 b\u00ea t\u00f4ng, x\u00e2y t\u01b0\u1eddng c\u00e1nh, t\u01b0\u1eddng \u0111\u1ea7u, h\u1ed1 thu c\u1ed1ng, gia c\u1ed1 s\u00e2n h\u1ea1, th\u01b0\u1ee3ng l\u01b0u.<\/p>\n

                – \u0110\u1eafp \u0111\u1ea5t xung quanh c\u1ed1ng ho\u00e0n thi\u1ec7n chuy\u1ec3n sang l\u00e0n b\u00ean.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u0110\u00e0o m\u00f3ng c\u1ed1ng<\/em><\/strong>:<\/strong><\/p>\n

                – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o giao th\u00f4ng, thi c\u00f4ng m\u1ed9t n\u1eeda m\u1ed9t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u00f4ng xe, thi c\u00f4ng t\u1eeb h\u1ea1 l\u01b0u l\u00ean th\u01b0\u1ee3ng l\u01b0u.<\/p>\n

                – C\u0103n c\u1ee9 v\u00e0o H\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t, v\u00e0 ch\u1ec9 \u0111\u1ecbnh c\u1ee7a K\u1ef9 s\u01b0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ti\u1ebfn h\u00e0nh c\u1eafm c\u1ecdc x\u00e1c \u0111\u1ecbnh, \u0111\u1ecbnh v\u1ecb h\u1ed1 \u0111\u00e0o.<\/p>\n

                – D\u00f9ng m\u00e1y \u0111\u00e0o \u0111\u1ec3 \u0111\u00e0o h\u1ed1 m\u00f3ng c\u1ed1ng, \u0111\u00e0o \u0111\u1ebfn \u0111\u00e2u d\u00f9ng nh\u00e2n c\u00f4ng s\u1eeda sang ho\u00e0n thi\u1ec7n lu\u00f4n \u0111\u1ebfn \u0111\u1ea5y theo \u0111\u00fang cao \u0111\u1ed9 k\u00edch th\u01b0\u1edbc m\u00f3ng. \u0110\u1ea5t \u0111\u00e0o m\u00f3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1eafp b\u1edd v\u00e2y ho\u1eb7c \u0111\u1ed5 \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh. \u0110\u00e0o \u0111\u1ea5t theo h\u00ecnh thang, b\u1eadc tam c\u1ea5p \u0111\u1ec3 ch\u1ed1ng s\u1ea1t l\u1edf.<\/p>\n

                – \u1ede nh\u1eefng ch\u1ed7 s\u1ee9c ch\u1ecbu t\u1ea3i c\u1ee7a n\u1ec1n m\u00f3ng \u1edf cao \u0111\u1ed9 thi\u1ebft k\u1ebf kh\u00f4ng \u0111\u1ee7 ho\u1eb7c kh\u00f4ng th\u00edch h\u1ee3p. Nh\u00e0 th\u1ea7u s\u1ebd \u0111\u00e0o b\u1ecf v\u1eadt li\u1ec7u kh\u00f4ng th\u00edch h\u1ee3p \u00edt nh\u1ea5t 0.5m b\u00ean d\u01b0\u1edbi cao \u0111\u1ed9 \u0111\u00e1y m\u00f3ng v\u00e0 thay v\u00e0o \u0111\u00f3 b\u1eb1ng v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn, \u0111\u1ea7m ch\u1eb7t theo y\u00eau c\u1ea7u c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – Khi \u0111\u00e0o \u0111\u00e3 \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf, ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c d\u1ecdc c\u1ee7a \u0111\u00e1y h\u1ed1 m\u00f3ng. Khi \u0111\u1ea1t r\u1ed3i th\u00ec san s\u1eeda ph\u1eb3ng.<\/p>\n

                – Ti\u1ebfn h\u00e0nh \u0111\u1ea7m ch\u1eb7t \u0111\u1ea5t n\u1ec1n, \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng b\u1ebb r\u1eddi c\u1ed1ng, n\u1ebfu \u0111\u1ea5t n\u1ec1n y\u1ebfu ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh x\u1eed l\u00fd b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – \u0110\u00e1y m\u00f3ng trong n\u1ec1n \u0111\u00e0o ph\u1ea3i \u0111\u1ea7m ch\u1eb7t \u0111\u00fang quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh, b\u1ea5t k\u1ef3 ph\u1ea7n n\u00e0o c\u1ee7a \u0111\u00e1y m\u00f3ng b\u1ecb h\u01b0 h\u1ea1i ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e0o th\u00eam theo y\u00eau c\u1ea7u c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t. Ph\u1ea7n \u0111\u00e0o th\u00eam n\u00e0y \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn sau \u0111\u00f3 \u0111\u1ea7m ch\u1eb7t \u0111\u00fang y\u00eau c\u1ea7u \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y m\u00f3ng.<\/p>\n

                – Sau khi x\u1eed l\u00fd \u0111\u1ea5t d\u01b0\u1edbi m\u00f3ng c\u1ed1ng \u0111\u00e3 xong v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 t\u01b0 v\u1ea5n ki\u1ec3m tra b\u1eb1ng v\u0103n b\u1ea3n c\u1ee5 th\u1ec3 ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh thi c\u00f4ng ti\u1ebfp theo thi\u1ebft k\u1ebf.<\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b. Thi c\u00f4ng c\u1ed1ng tr\u00f2n, c\u1ed1ng h\u1ed9p l\u1eafp g\u00e9p th\u00ec c\u00f4ng vi\u1ec7c ti\u1ebfp theo \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh nh\u01b0 sau:<\/em><\/strong><\/p>\n

                \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * L\u00f3t m\u00f3ng:<\/strong><\/p>\n

                – Lo\u1ea1i v\u1eadt li\u1ec7u l\u00f3t m\u00f3ng \u0111\u01b0\u1ee3c ch\u1ec9 ra trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng, v\u00e0 ph\u1ea3i c\u00f3 s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t. T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 y\u00eau c\u1ea7u nh\u00e0 th\u1ea7u thay \u0111\u1ed5i lo\u1ea1i v\u1eadt li\u1ec7u l\u00f3t m\u00f3ng.<\/p>\n

                – K\u00edch th\u01b0\u1edbc c\u1ee7a l\u1edbp l\u00f3t m\u00f3ng ph\u1ea3i \u0111\u00fang theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng .<\/p>\n

                – Khi h\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c \u0111\u00e0o xong, vi\u1ec7c thi c\u00f4ng, vi\u1ec7c thi c\u00f4ng l\u00f3t m\u00f3ng, \u0111\u1ebf m\u00f3ng, \u0111\u1eb7t \u1ed1ng c\u1ed1ng ph\u1ea3i th\u1ef1c hi\u1ec7n ngay sau khi c\u00f3 s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – D\u00f9ng m\u00e1y thu\u1ef7 b\u00ecnh \u0111\u1ec3 ki\u1ec3m tra cao \u0111\u1ed9 m\u00f3ng c\u1ed1ng v\u00e0 \u0111i\u1ec3m \u0111\u1eb7t c\u1ed1ng sao cho \u0111\u00fang cao \u0111\u1ed9 thi\u1ebft k\u1ebf.<\/p>\n

                – X\u00e2y m\u00f3ng c\u1ed1ng b\u1eb1ng \u0111\u00e1 h\u1ed9c x\u00e2y v\u1eefa M100, chi\u1ec1u d\u00e0y theo thi\u1ebft k\u1ebf t\u1eebng c\u1ed1ng \u0111\u01b0\u1ee3c duy\u1ec7t v\u00e0 s\u1ef1 ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                  \n
                • C\u1eeda v\u00e0o v\u00e0 c\u1eeda ra:<\/strong><\/li>\n<\/ul>\n

                  – C\u1ea5u tr\u00fac c\u1eeda v\u00e0o v\u00e0 c\u1eeda ra ph\u1ea3i b\u1eb1ng b\u00ea t\u00f4ng ho\u1eb7c \u0111\u00e1 x\u00e2y theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf quy \u0111\u1ecbnh v\u00e0 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc \u0111\u1ec3 h\u00ecnh th\u00e0nh m\u1ed9t d\u00f2ng ch\u1ea3y t\u1ef1 nhi\u00ean v\u00e0 \u00eam thu\u1eadn.<\/p>\n

                    \n
                  • L\u1eafp \u0111\u1eb7t \u1ed1ng c\u1ed1ng:<\/strong><\/li>\n<\/ul>\n

                    – D\u00f9ng c\u1ea9u \u0111\u1ec3 c\u1ea9u \u1ed1ng c\u1ed1ng \u0111\u1eb7t v\u00e0o m\u00f3ng c\u1ed1ng \u0111\u00e3 thi c\u00f4ng xong \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 c\u1ea7n thi\u1ebft.<\/p>\n

                    – \u1ed0ng c\u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t c\u1ea9n th\u1eadn \u0111\u00fang h\u01b0\u1edbng, \u0111\u00fang \u0111\u1ed9 d\u1ed1c v\u00e0 cao \u0111\u1ed9 \u0111\u00e3 ch\u1ec9 ra trong b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t. C\u00e1c m\u1ed1i n\u1ed1i v\u1edbi nhau b\u1eb1ng g\u1edd n\u1ed1i \u0111\u1eb7t kh\u1edbp v\u1edbi nhau, h\u00e0ng \u1ed1ng ph\u1ea3i \u0111\u1eb7t sao cho tim c\u1ed1ng tr\u00f9ng nhau, th\u1eb3ng ngang b\u1eb1ng h\u1ee3p l\u00fd.<\/p>\n

                    – M\u1ecdi c\u1ed1ng \u0111\u1eb7t kh\u00f4ng th\u1eb3ng h\u00e0ng ho\u1eb7c l\u00fan s\u00e2u ph\u1ea3i nh\u1ea5c l\u00ean v\u00e0 \u0111\u1eb7t l\u1ea1i b\u1eb1ng kinh ph\u00ed c\u1ee7a nh\u00e0 th\u1ea7u.<\/p>\n

                    – C\u1ea7n ph\u1ea3i \u0111\u1eb7t \u1ed1ng c\u1ed1ng c\u00f3 \u0111\u1ed9 v\u1ed3ng th\u00edch \u0111\u00e1ng \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ed1ng d\u01b0\u1edbi n\u1ec1n \u0111\u1eafp kh\u00f4ng d\u00f9ng m\u00f3ng c\u1ecdc, ngay c\u1ea3 khi kh\u00f4ng ch\u1ec9 ra trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u1ed9 l\u00fan khi c\u00f3 t\u00e1c d\u1ee5ng c\u1ee7a t\u1ea3i tr\u1ecdng \u0111\u1ea5t \u0111\u1eafp l\u00ean tr\u00ean.<\/p>\n

                    – \u0110\u1ed9 v\u1ed3ng c\u1ee7a c\u1ed1ng kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t \u0111\u01b0\u1edbi \u0111\u00e1y m\u00f3ng, chi\u1ec1u cao \u0111\u1eafp v\u00e0 \u0111\u1ed9 l\u00fan d\u1ef1 ki\u1ebfnc\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng t\u1ea1i v\u1ecb tr\u00ed \u0111\u1eb7t c\u1ed1ng.<\/p>\n

                      \n
                    • M\u1ed1i n\u1ed1i:<\/strong><\/li>\n<\/ul>\n

                      – M\u1ed1i n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c nh\u00e9t k\u00edn b\u1eb1ng v\u1eadt li\u1ec7u m\u1ed1i n\u1ed1i ho\u1eb7c b\u1eb1ng lo\u1ea1i v\u1eefa \u0111\u01b0\u1ee3c T\u01b0 v\u00e1n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn.<\/p>\n

                      \u00a0\u00a0\u00a0\u00a0 – T\u1ef7 l\u1ec7 v\u1eefa XM ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt.<\/p>\n

                      \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 – B\u1ec1 m\u1eb7t c\u1ee7a \u1ed1ng ph\u1ea3i s\u1ea1ch s\u1ebd, \u1ea9m khi b\u1eaft \u0111\u1ea7u tr\u00e9t v\u1eefa, sau khi nh\u00e9t v\u1eefa v\u00e0o to\u00e0n b\u1ed9 ph\u00e1i trong khe c\u1ee7a khe \u1ed1ng c\u1ed1ng, g\u1edd m\u1ed1i n\u1ed1i \u1ed1ng c\u1ed1ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed. Nh\u1eefng ch\u1ed7 tr\u1ed1ng c\u00f2n l\u1ea1i trong khe n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c nh\u00e9t k\u00edn b\u1eb1ng v\u1eefa v\u00f2ng quanh \u1ed1ng c\u1ed1ng, ph\u00eda trong m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng b\u1eb1ng bao t\u1ea3i gi\u1eef \u0111\u1ed9 \u1ea9m th\u01b0\u1eddng xuy\u00ean \u00edt nh\u1ea5t trong 7 ng\u00e0y. B\u00ean trong \u1ed1ng c\u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c lau s\u1ea1ch b\u1ee5i, v\u1eefa th\u1eeba, v\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c trong qua tr\u00ecnh \u0111\u1eb7t \u1ed1ng c\u1ed1ng v\u00e0 b\u1ea3o \u0111\u1ea3m s\u1ea1ch s\u1ebd sau khi ho\u00e0n th\u00e0nh c\u00f4ng vi\u1ec7c.<\/p>\n

                        \n
                      • B\u1ea3o qu\u1ea3n v\u00e0 v\u1eadn chuy\u1ec3n \u1ed1ng c\u1ed1ng:<\/strong><\/li>\n<\/ul>\n

                        – Trong qu\u00e1 tr\u00ecnh x\u1ebfp r\u1ee1 \u1ed1ng c\u1ed1ng b\u1eb1ng c\u00e1ch \u0111\u1eb7t t\u1ea5m v\u00e1n l\u0103n \u1ed1ng c\u1ed1ng ho\u1eb7c b\u1ea5t k\u1ef3 m\u1eb7t nghi\u00eang n\u00e0o kh\u00e1c n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t b\u1eb1ng v\u0103n b\u1ea3n.<\/p>\n

                        – Nh\u00e0 th\u1ea7u s\u1ebd d\u00f9ng thi\u1ebft b\u1ecb c\u1ea9u \u0111\u1ec3 n\u00e2ng h\u1ea1 \u1ed1ng c\u1ed1ng tr\u00e1nh h\u01b0 h\u1ea1i.<\/p>\n

                        – N\u1ebfu \u1ed1ng c\u1ed1ng n\u00e0o b\u1ecb h\u01b0 h\u1ecfng nh\u00e0 th\u1ea7u s\u1ebd kh\u00f4ng \u0111\u01b0a v\u00e0o l\u1eafp \u0111\u1eb7t v\u00e0 ch\u1ecbu kinh ph\u00ed \u0111\u00f3.<\/p>\n

                        – Khi h\u1ea1 xong \u1ed1ng c\u1ed1ng v\u00e0 \u0111i\u1ec1u ch\u1ec9nh xong ti\u1ebfn h\u00e0nh x\u00e2y \u0111\u00e1 h\u1ed9c v\u1eefa M100 t\u01b0\u1eddng \u0111\u1ea7u, t\u01b0\u1eddng c\u00e1nh, h\u1ed1 thu, gia c\u1ed1 ph\u1ea7n th\u01b0\u1ee3ng h\u1ea1 l\u01b0u c\u1ed1ng.<\/p>\n

                        – Ti\u1ebfn h\u00e0nh l\u1ea5p \u0111\u1ea5t theo c\u00e1c l\u1edbp \u0111\u1ea5t d\u00e0y kho\u1ea3ng 15cm v\u00e0 \u0111\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c, \u0111\u1ea7m gang. \u0110\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5p c\u1ea3 hai b\u00ean c\u1ed1ng \u0111\u1ec3 tr\u00e1nh m\u1ecdi nguy hi\u1ec3m do \u00e1p l\u1ef1c h\u00f4ng g\u00e2y ra. \u0110\u1ea7m \u0111\u1ea5t \u0111\u1ec1u c\u1ea3 hai b\u00ean \u0111\u1ea3m b\u1ea3o l\u00fan \u0111\u1ec1u v\u1edbi \u0111\u1ea5t \u1edf hai b\u00ean ho\u1eb7c \u0111\u1ed9 l\u00fan \u00edt nh\u1ea5t. Khi l\u1ea5p \u0111\u1ea5t ph\u1ea3i ch\u00fa \u00fd t\u1edbi vi\u1ec7c \u0111\u1eafp l\u1edbp ph\u00f2ng n\u01b0\u1edbc bao quanh \u1ed1ng c\u1ed1ng, trong qu\u00e1 tr\u00ecnh \u0111\u1ea7m ch\u00fa \u00fd gi\u1eef cho l\u1edbp ph\u00f2ng n\u01b0\u1edbc c\u1ee7a c\u1ed1ng kh\u1ecfi b\u1ecb h\u1ecfng.<\/p>\n

                        Ri\u00eang \u0111\u1ed1i v\u1edbi c\u1ed1ng h\u1ed9p l\u1eafp g\u00e9p c\u00f3 b\u1ea3n v\u01b0\u1ee3t, khi thi c\u00f4ng \u0111\u1eafp \u0111\u1ea5t \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y b\u1ea3n v\u01b0\u1ee3t ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1eafp g\u00e9p b\u1ea3n v\u01b0\u1ee3t.<\/p>\n

                        – Nh\u00e2n l\u1ef1c s\u1eeda m\u00e1i taluy v\u00e0 \u0111\u1eafp tr\u1ea3 m\u1eb7t \u0111\u01b0\u1eddng ho\u00e0n thi\u1ec7n.<\/p>\n

                        Khi thi c\u00f4ng c\u1ed1ng ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh thi c\u00f4ng 1\/2 c\u1ed1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng tr\u00ean tuy\u1ebfn, thi c\u00f4ng n\u1eeda \u1edf ph\u00eda h\u1ea1 l\u01b0u tr\u01b0\u1edbc r\u1ed3i m\u1edbi thi c\u00f4ng n\u1eeda th\u01b0\u1ee3ng l\u01b0u. Khi thi c\u00f4ng d\u00f9ng c\u1ecdc tre, ph\u00ean n\u1ee9a \u0111\u1ec3 ng\u0103n \u0111\u1ea5t \u1edf ph\u1ea7n \u0111\u1ea3m b\u1ea3o giao th\u00f4ng (d\u00f9ng c\u1ecdc tre F8, L = 2.5m \u0111\u00f3ng 0.5m m\u1ed9t c\u1ecdc).<\/p>\n

                        Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng n\u1ebfu ph\u00e1t hi\u1ec7n c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec kh\u00e1c v\u1edbi h\u1ed3 s\u01a1 th\u00ec Nh\u00e0 th\u1ea7u s\u1ebd b\u00e1o cho T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t v\u00e0 Ban qu\u1ea3n l\u00fd c\u00f4ng tr\u00ecnh bi\u1ebft \u0111\u1ec3 \u0111\u1ec1 ra bi\u1ec7n ph\u00e1p x\u1eed l\u00fd th\u00edch h\u1ee3p.<\/p>\n

                        \u00a0\u00a0\u00a0 Nh\u00e2n l\u1ef1c s\u1eeda m\u00e1i taluy v\u00e0 \u0111\u1eafp tr\u1ea3 n\u1ec1n \u0111\u01b0\u1eddng ho\u00e0n thi\u1ec7n.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Khi thi c\u00f4ng xong ch\u1ec9 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t m\u1edbi \u0111\u01b0\u1ee3c th\u00f4ng xe v\u00e0 thi c\u00f4ng 1\/2 c\u00f2n l\u1ea1i.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0 c. \u0110\u1ed1i v\u1edbi thi c\u00f4ng c\u1ed1ng h\u1ed9p, c\u1ed1ng b\u1ea3n ch\u00ecm \u0111\u1ed5 t\u1ea1i ch\u1ed7<\/em><\/strong><\/p>\n

                        – C\u1ed1ng \u0111\u01b0\u1ee3c thi c\u00f4ng \u0111\u1ed5 t\u1ea1i ch\u1ed7 n\u00ean ti\u1ebfn h\u00e0nh thi c\u00f4ng v\u00e0o m\u00f9a kh\u00f4 \u0111\u1ec3 tr\u00e1nh s\u1ef1 b\u1ea5t l\u1ee3i v\u1ec1 th\u1eddi ti\u1ebft, tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thi c\u00f4ng m\u00f3ng c\u1ed1ng ph\u1ea3i l\u00e0m \u0111\u01b0\u1eddng tr\u00e1nh (\u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng \u0111\u01b0\u1ee3c th\u00f4ng su\u1ed1t trong qu\u00e1 tr\u00ecnh thi c\u00f4ng). \u0110\u00e0o m\u01b0\u01a1ng d\u1eabn n\u01b0\u1edbc, \u0111\u1ed3ng th\u1eddi \u0111\u1eafp b\u1edd v\u00e2y ng\u0103n n\u01b0\u1edbc k\u1ebft h\u1ee3p v\u1edbi c\u1ed1ng t\u1ea1m \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc trong m\u00f9a thi c\u00f4ng.<\/p>\n

                        – \u0110\u1ed1i v\u1edbi c\u1ed1ng h\u1ed9p nh\u1ecf thi c\u00f4ng 1\/2 c\u1ed1ng, 1\/2 c\u1ed1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng tr\u00ean tuy\u1ebfn, thi c\u00f4ng n\u1eeda \u1edf ph\u00eda h\u1ea1 l\u01b0u tr\u01b0\u1edbc r\u1ed3i m\u1edbi thi c\u00f4ng n\u1eeda th\u01b0\u1ee3ng l\u01b0u.<\/p>\n

                        \u00a0\u00a0\u00a0 – B\u1ed1 tr\u00ed l\u00e1n l\u00e1n tr\u1ea1i v\u00e0 m\u1ed9t t\u1ed5 thi c\u00f4ng t\u1ea1i g\u1ea7n c\u00e1c v\u1ecb tr\u00ed c\u1ed1ng.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u1ea5p k\u1ebft \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u01b0\u1ee3c l\u1ea5y m\u1eabu th\u00ed nghi\u1ec7m theo \u0111\u00fang Quy tr\u00ecnh quy \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c TVGS ch\u1ea5p thu\u1eadn.<\/p>\n

                        – V\u00e1n khu\u00f4n th\u00e9p \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u1ecbnh h\u00ecnh v\u00e0 \u0111\u01b0\u1ee3c nghi\u1ec7m thu tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

                        – Thi c\u00f4ng h\u1ed1 m\u00f3ng c\u1ed1ng nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y \u1edf ph\u1ea7n tr\u00ean.<\/p>\n

                        – \u0110\u1ec7m \u0111\u00e1 d\u0103m v\u00e0 \u0111\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c d\u00e0y 10cm.<\/p>\n

                        – L\u1eafp \u0111\u1eb7t v\u00e1n khu\u00f4n \u0111\u1ed5 BTXM \u0111\u1ec7m\u00a0 \u0111\u00e1y th\u00e2n c\u1ed1ng.<\/p>\n

                        – L\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p \u0111\u00e1y v\u00e0 th\u00e2n c\u1ed1ng.<\/p>\n

                        – L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n \u0111\u00e1y th\u00e2n c\u1ed1ng v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng xi m\u0103ng.<\/p>\n

                        – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng lu\u00f4n lu\u00f4n ki\u1ec3m tra cao \u0111\u1ed9, k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u1ee7a\u00a0 c\u1ed1ng b\u1eb1ng m\u00e1y thu\u1ef7 b\u00ecnh v\u00e0 th\u01b0\u1edbc th\u00e9p.<\/p>\n

                        – L\u1eafp \u0111\u1eb7t v\u00e1n khu\u00f4n m\u1eb7t c\u1ed1ng, l\u1eafp gh\u00e9p c\u1ed1t th\u00e9p v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng xi m\u0103ng.<\/p>\n

                        – L\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p v\u00e1n khu\u00f4n t\u01b0\u1eddng c\u00e1nh t\u01b0\u1eddng \u0111\u1ea7u, s\u00e2n c\u1ed1ng v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 b\u1eb1ng b\u00ea t\u00f4ng xi m\u0103ng.<\/p>\n

                        – M\u00f3ng t\u01b0\u1eddng \u0111\u1ea7u v\u00e0 ch\u00e2n khay t\u00e1ch kh\u1ecfi th\u00e2n c\u1ed1ng b\u1eb1ng m\u1ed1i n\u1ed1i m\u1ec1m, m\u1ed1i n\u1ed1i m\u1ec1m n\u00e0y \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u1eb1ng \u0111ay (ho\u1eb7c bao t\u1ea3i) t\u1ea9m nh\u1ef1a \u0111\u01b0\u1eddng ho\u1eb7c g\u1ed7 t\u1ea9m nh\u1ef1a \u0111\u01b0\u1eddng nh\u01b0 c\u00e1c quy tr\u00ecnh \u0111\u00e3 quy \u0111\u1ecbnh trong b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c duy\u1ec7t v\u00e0 h\u01b0\u1edbng d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        – X\u00e2y gia c\u1ed1 s\u00e2n th\u01b0\u1ee3ng h\u1ea1 l\u01b0u b\u1eb1ng \u0111\u00e1 h\u1ed9c x\u00e2y v\u1eefa\u00a0 tr\u00ean l\u1edbp \u0111\u00e1 d\u0103m \u0111\u1ec7m 10cm.<\/p>\n

                        – \u0110\u1eafp \u0111\u1ea5t ph\u1ea3i th\u1ef1c hi\u1ec7n h\u1ebft s\u1ee9c th\u1eadn tr\u1ecdng, m\u1ed7i l\u1edbp ph\u1ea3i l\u1edbp ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m \u0111\u00fang \u0111\u1ed9 ch\u1eb7t quy \u0111\u1ecbnh trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t. Y\u00eau c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong ph\u1ea7n \u0111\u1eafp \u0111\u1ea5t n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                        – Thi c\u00f4ng gia c\u1ed1 \u1ed1p m\u00e1i ta luy b\u1eb1ng \u0111\u00e1 x\u00e2y v\u1eefa tr\u00ean l\u1edbp l\u00f3t \u0111\u00e1 d\u0103m \u0111\u1ea7m ch\u1eb7t d\u00e0y 10cm ph\u1ea7n th\u01b0\u1ee3ng h\u1ea1 l\u01b0u c\u1ed1ng.<\/p>\n

                        Xe c\u1ed9 ch\u1ec9 \u0111\u01b0\u1ee3c \u0111i l\u1ea1i tr\u00ean c\u1ed1ng h\u1ed9p khi c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        Ch\u00fa \u00fd: <\/u><\/p>\n

                        – Tr\u00ecnh t\u1ef1 gia c\u00f4ng c\u1ed1t th\u00e9p, \u0111\u1ed5 b\u00ea t\u00f4ng (nh\u01b0 \u0111\u00e3 n\u00eau \u1edf ph\u1ea7n B\u00ea t\u00f4ng c\u1ed1t th\u00e9p).<\/p>\n

                        – Tr\u01b0\u1edbc khi thi c\u00f4ng l\u1edbp BT m\u1edbi ph\u1ea3i t\u1ea1o nh\u00e1m, v\u1ec7 sinh, t\u01b0\u1edbi n\u01b0\u1edbc kh\u1ed1i \u0111\u1ed5 tr\u01b0\u1edbc.<\/p>\n

                        – \u0110\u1ed5 BT xong t\u1eebng h\u1ea1ng m\u1ee5c sau 4h ph\u1ea3i b\u1ea3o d\u01b0\u1ee1ng ngay b\u1eb1ng t\u01b0\u1edbi n\u01b0\u1edbc ho\u1eb7c ph\u1ee7 bao t\u1ea3i th\u1ea5m n\u01b0\u1edbc.<\/p>\n

                        – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng t\u1eebng b\u01b0\u1edbc \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea1i di\u1ec7n ch\u1ee7 \u0111\u1ea7u t\u01b0 ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu m\u1edbi \u0111\u01b0\u1ee3c thi c\u00f4ng c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n

                        – Sau khi thi c\u00f4ng xong c\u1ed1ng, b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 (28 ng\u00e0y) v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a \u0111\u1ea1i di\u1ec7n ch\u1ee7 \u0111\u1ea7u t\u01b0 m\u1edbi \u0111\u01b0\u1ee3c cho th\u00f4ng xe v\u00e0 ph\u00e1 d\u1ee1 \u0111\u01b0\u1eddng tr\u00e1nh (n\u1ebfu c\u00f3).<\/p>\n

                        – \u0110\u1ed1i v\u1edbi c\u1ed1ng h\u1ed9p nh\u1ecf \u0111\u1eafp \u0111\u1ea5t xong, BT \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 (28 ng\u00e0y) \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a \u0111\u1ea1i di\u1ec7n ch\u1ee7 \u0111\u1ea7u t\u01b0 m\u1edbi \u0111\u01b0\u1ee3c cho th\u00f4ng xe v\u00e0 thi c\u00f4ng ti\u1ebfp 1\/2 c\u1ed1ng c\u00f2n l\u1ea1i.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. Ki\u1ec3m tra nghi\u1ec7m thu<\/em><\/strong><\/p>\n

                        M\u1ecdi v\u1eadt li\u1ec7u y\u00eau c\u1ea7u thi c\u00f4ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c duy\u1ec7t, v\u00e0 s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        – Ki\u1ec3m tra nghi\u1ec7m thu cao \u0111\u1ed9, k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc v\u00e0 \u0111\u1ecba ch\u1ea5t \u0111\u00e1y m\u00f3ng. Tr\u01b0\u1edbc khi \u0111\u1ed5 BT \u0111\u00e1y (ho\u1eb7c x\u00e2y \u0111\u00e1y) ho\u1eb7c l\u1eafp g\u00e9p c\u00e1c kh\u1ed1i m\u00f3ng l\u1eafp g\u00e9p, h\u1ed1 m\u00f3ng ph\u1ea3i \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn. C\u00e1c vi\u1ec7c ti\u1ebfp theo ch\u1ec9 \u0111\u01b0\u1ee3c thi c\u00f4ng khi \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        – C\u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed tho\u00e1t n\u01b0\u1edbc d\u1ec5 d\u00e0ng, c\u1ed1ng \u0111\u1eb7t xong ph\u1ea3i th\u1eb3ng, ph\u1eb3ng, \u0111\u00fang cao \u0111\u1ed9 v\u00e0 \u0111\u1ed9 d\u1ed1c thi\u1ebft k\u1ebf. Sai s\u1ed1 cao \u0111\u1ed9 \u0111\u00e1y c\u1ed1ng l\u00e0 +10mm, -20mm nh\u01b0ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed3ng \u0111\u1ec1u gi\u1eefa c\u1eeda v\u00e0o v\u00e0 c\u1eeda ra.<\/p>\n

                        – S\u00e2n c\u1ed1ng, gia c\u1ed1 c\u1eeda v\u00e0o v\u00e0 c\u1eeda ra, c\u00e1c b\u1ec3 ti\u00eau n\u0103ng ph\u1ea3i \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n

                        – \u0110\u1ed9 ch\u1eb7t \u0111\u1eafp \u0111\u1ea5t h\u1ed1 m\u00f3ng, mang c\u1ed1ng v\u00e0 tr\u00ean \u0111\u1ec9nh c\u1ed1ng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean tr\u01b0\u1edbc khi \u0111\u1eafp l\u1edbp ti\u1ebfp theo, \u0111\u1ed9 ch\u1eb7t theo y\u00eau c\u1ea7u c\u1ee7a h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c duy\u1ec7t v\u00e0 ch\u1ea5p thu\u1eadn c\u1ee7a TVGS.<\/p>\n

                         <\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VII<\/strong>. THI C\u00d4NG T\u01af\u1edcNG CH\u1eaeN:<\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Ph\u1ea1m vi c\u00f4ng vi\u1ec7c:<\/em><\/strong><\/p>\n

                        To\u00e0n \u0111o\u1ea1n x\u00e2y d\u1ef1ng \u0111o\u1ea1n t\u01b0\u1eddng k\u00e8, chi\u1ec1u cao t\u01b0\u1eddng ch\u1eafn thay \u0111\u1ed5i t\u1eeb 3m \u0111\u1ebfn 5m \u00e1p d\u1ee5ng thi\u1ebft k\u1ebf \u0111i\u1ec3n h\u00ecnh 86-06X, th\u00e2n v\u00e0 m\u00f3ng t\u01b0\u1eddng ch\u1eafn b\u1eb1ng BTXM M150.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng<\/em><\/strong><\/p>\n

                        a. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb, y\u00eau c\u1ea7u v\u1eadt li\u1ec7u<\/em><\/strong><\/p>\n

                        – X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u1ea1t c\u00e1t \u0111\u00e1 \u0111\u00fang y\u00eau c\u1ea7u b\u00ea t\u00f4ng. B\u00e3i \u0111\u1ec3 c\u00e1t \u0111\u00e1 ph\u1ea3i tho\u00e1t n\u01b0\u1edbc t\u1ed1t, c\u1ed1t th\u00e9p ph\u1ea3i th\u00ed nghi\u1ec7m ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 nh\u01b0 quy \u0111\u1ecbnh.<\/p>\n

                        – <\/strong>Chu\u1ea9n b\u1ecb v\u00e1n khu\u00f4n…<\/p>\n

                        – <\/strong>V\u1ec1 m\u00e1y m\u00f3c thi\u1ebft b\u1ecb: x\u00e1c \u0111\u1ecbnh lo\u1ea1i m\u00e1y tr\u1ed9n, m\u00e1y \u0111\u1ea7m, ….<\/p>\n

                        – <\/strong>\u0110\u1ecbnh v\u1ecb t\u01b0\u1eddng.<\/p>\n

                        –<\/strong> Nghi\u00ean c\u1ee9u th\u1ef1c \u0111\u1ecba, b\u1ea3n v\u1ebd, x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng, n\u01a1i mua v\u1eadt li\u1ec7u, \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n, b\u00e3i t\u1eadp k\u1ebft v\u1eadt li\u1ec7u … Tr\u00ean c\u01a1 s\u1edf \u0111\u00f3, d\u1ef1 ki\u1ebfn l\u1ef1c l\u01b0\u1ee3ng thi c\u00f4ng, chia \u0111o\u1ea1n thi c\u00f4ng, l\u1eadp k\u1ebf ho\u1ea1ch, bi\u1ec3u \u0111\u1ed3 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng,…<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b. C\u00e1c b\u01b0\u1edbc thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn:<\/em><\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * B\u01b0\u1edbc 1: Thi c\u00f4ng h\u1ed1 m\u00f3ng v\u00e0 b\u1ec7 t\u01b0\u1eddng k\u00e8:<\/strong><\/p>\n

                        – \u0110\u1ecbnh v\u1ecb tr\u00ed t\u01b0\u1eddng ch\u1eafn.<\/p>\n

                        – D\u00f9ng m\u00e1y x\u00fac k\u1ebft h\u1ee3p th\u1ee7 c\u00f4ng \u0111\u00e0o m\u00f3ng .<\/p>\n

                        – V\u1ec7 sinh h\u1ed1 m\u00f3ng, \u0111\u1ea7m h\u1ed1 m\u00f3ng, nghi\u1ec7m thu h\u1ed1 m\u00f3ng.<\/p>\n

                        – Ti\u1ebfn h\u00e0nh d\u1ef1ng v\u00e1n khu\u00f4n, \u0111\u1ed5 BT b\u1ec7 m\u00f3ng t\u01b0\u1eddng ch\u1eafn BTXM M150.<\/p>\n

                        – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng, khi \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 ti\u1ebfn h\u00e0nh nghi\u1ec7m thu chuy\u1ec3n sang thi c\u00f4ng th\u00e2n t\u01b0\u1eddng ch\u1eafn.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * B\u01b0\u1edbc 2: Thi c\u00f4ng th\u00e2n t\u01b0\u1eddng k\u00e8:<\/strong><\/p>\n

                        – L\u1eafp s\u00e0n \u0111\u1ea1o, v\u00e1n khu\u00f4n b\u1eb1ng c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                        – \u0110\u1ed5 b\u00ea t\u00f4ng, \u0111\u1ea7m, ho\u00e0n thi\u1ec7n, b\u1ea3o d\u01b0\u1ee1ng trong th\u1eddi gian ninh k\u1ebft c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n

                        * B\u01b0\u1edbc 3: Thi c\u00f4ng \u0111\u1ec9nh t\u01b0\u1eddng k\u00e8 v\u00e0 t\u01b0\u1eddng h\u1ed9 lan:<\/strong><\/p>\n

                        – Sau khi th\u00e2n t\u01b0\u1eddng ch\u1eafn \u0111\u1ea1t y\u00eau c\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng \u0111\u1ec9nh t\u01b0\u1eddng k\u00e8.<\/p>\n

                        – L\u1eafp \u0111\u1eb7t v\u00e1n khu\u00f4n \u0111\u1ec9nh t\u01b0\u1eddng k\u00e8 v\u00e0 t\u01b0\u1eddng h\u1ed9 lan.<\/p>\n

                        – Ti\u1ebfn h\u00e0nh \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u1ec9nh t\u01b0\u1eddng ch\u1eafn v\u00e0 t\u01b0\u1eddng h\u1ed9 lan b\u1eb1ng m\u00e1y tr\u1ed9n b\u00ea t\u00f4ng 250l.<\/p>\n

                        – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng 7 ng\u00e0y.<\/p>\n

                        – Ti\u1ebfn h\u00e0nh nghi\u1ec7m thu khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9.<\/p>\n

                        * B\u01b0\u1edbc 4: Thi c\u00f4ng t\u1ea7ng l\u1ecdc ng\u01b0\u1ee3c v\u00e0 \u0111\u1eafp \u0111\u1ea5t ho\u00e0n thi\u1ec7n:<\/p>\n

                        – Sau khi th\u00e2n t\u01b0\u1eddng ch\u1eafn \u0111\u1ea1t y\u00eau c\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp \u0111\u1ea5t s\u00e9t v\u00e0 \u0111\u00e1 d\u0103m 2×4 d\u00e0y 50cm.<\/p>\n

                        – Ti\u1ebfn h\u00e0nh \u0111\u1eafp \u0111\u1ea5t sau t\u01b0\u1eddng ch\u1eafn, \u0111\u1eafp t\u1eebng l\u1edbp v\u1edbi chi\u1ec1u d\u00e0y m\u1ed7i l\u1edbp kh\u00f4ng qu\u00e1 30cm, \u0111\u1ea7m b\u1eb1ng \u0111\u1ea7m c\u00f3c cho t\u1edbi khi \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t K90, \u0111\u1eafp \u0111\u1ebfn cao \u0111\u1ed9 b\u1eb1ng cao \u0111\u1ed9 \u0111\u1ec9nh t\u01b0\u1eddng ch\u1eafn.<\/p>\n

                        C\u00e1c b\u01b0\u1edbc thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn \u1ed1p m\u00e1i ta luy d\u01b0\u01a1ng thi c\u00f4ng ho\u00e0n to\u00e0n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 t\u01b0\u1eddng ch\u1eafn ta luy \u00e2m.<\/em><\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * M\u1ed9t s\u1ed1 quy \u0111\u1ecbnh c\u1ea7n l\u01b0u \u00fd:<\/em><\/strong><\/p>\n

                        – Tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea3i ki\u1ec3m tra v\u00e1n khu\u00f4n (k\u00edch th\u01b0\u1edbc, cao \u0111\u1ed9, v\u1eefng ch\u1eafc), v\u1ecb tr\u00ed khe bi\u1ebfn d\u1ea1ng, l\u1ed7 tho\u00e1t n\u01b0\u1edbc. L\u1eadp bi\u00ean b\u1ea3n nghi\u1ec7p thu ph\u1ea7n khu\u1ea5t (n\u1ec1n,…).<\/p>\n

                        – Tu\u1ef3 n\u0103ng l\u1ef1c thi c\u00f4ng ph\u00e2n chia kh\u1ed1i \u0111\u1ed5 cho h\u1ee3p l\u00fd.<\/p>\n

                        – Chi\u1ec1u cao r\u01a1i t\u1ef1 do c\u1ee7a v\u1eefa b\u00ea t\u00f4ng kh\u00f4ng qu\u00e1 1-3m.<\/p>\n

                        – Chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng \u0111\u1ed5, tu\u1ef3 theo m\u00e1y \u0111\u1ea7m, kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 20 – 60cm<\/p>\n

                        – Kh\u1edbp n\u1ed1i thi c\u00f4ng ph\u1ea3i ch\u1ecdn \u1edf v\u1ecb tr\u00ed th\u00edch h\u1ee3p. Khi thi c\u00f4ng ti\u1ebfp ph\u1ea3i t\u1ea1o nh\u00e1m, \u0111\u1ed5 1 l\u1edbp v\u1eefa li\u00ean k\u1ebft.<\/p>\n

                        – \u0110\u1ed5 b\u00ea t\u00f4ng xong ph\u1ea3i b\u1ea3o d\u01b0\u1ee1ng theo quy \u0111\u1ecbnh.<\/p>\n

                        – D\u1ee1 v\u00e1n khu\u00f4n th\u00e0nh \u0111\u1ee9ng khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 70% c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IX. THI C\u00d4NG R\u00c3NH THO\u00c1T N\u01af\u1edaC, GIA C\u1ed0 M\u00c1I TA LUY<\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 1. Thi c\u00f4ng r\u00e3nh tho\u00e1t n\u01b0\u1edbc.<\/em><\/strong><\/p>\n

                        R\u00e3nh tho\u00e1t n\u01b0\u1edbc d\u1ecdc n\u1ed5i KT 70cm \u0111\u01b0\u1ee3c thi c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u01a1 gi\u1edbi k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                        D\u00f9ng \u00f4t\u00f4 t\u1ea3i v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u x\u00e2y: c\u00e1t, \u0111\u00e1, xi m\u0103ng,… t\u1edbi v\u1ecb tr\u00ed thi c\u00f4ng, v\u1eadn chuy\u1ec3n \u0111\u1ea5t th\u1eeba t\u1edbi v\u1ecb tr\u00ed \u0111\u1ed5.<\/p>\n

                        – V\u00e1n khu\u00f4n r\u00e3nh \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh, \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u00e0 nghi\u1ec7m thu tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

                        – D\u00f9ng \u0111\u1ea7m c\u00f3c \u0111\u1ec3 \u0111\u1ea7m m\u00f3ng, \u0111\u1ea7m d\u00f9i \u0111\u1ec3 \u0111\u1ea7m v\u1eefa b\u00ea t\u00f4ng.<\/p>\n

                        – M\u00e1y tr\u1ed9n v\u1eefa, m\u00e1y tr\u1ed9n b\u00ea t\u00f4ng<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0 * Nh\u00e2n l\u1ef1c:<\/strong><\/p>\n

                        – V\u1eadn chuy\u1ec3n c\u00e1c v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb thi c\u00f4ng r\u00e3nh c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf v\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n ng\u1eafn.<\/p>\n

                        – \u0110\u00e0o nh\u1eefng v\u1ecb tr\u00ed kh\u00f4ng th\u00edch h\u1ee3p v\u1edbi TC c\u01a1 gi\u1edbi v\u00e0 ho\u00e0n thi\u1ec7n m\u00f3ng r\u00e3nh.<\/p>\n

                        – C\u00f4ng vi\u1ec7c \u0111\u1ec7m \u0111\u00e1 d\u0103m , l\u1eafp \u0111\u1eb7t v\u00e1n khu\u00f4n v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng th\u00e2n r\u00e3nh, x\u00e0 m\u0169 r\u00e3nh.<\/p>\n

                        – \u0110\u1eafp \u0111\u1ea5t xung quanh r\u00e3nh ho\u00e0n thi\u1ec7n.<\/p>\n

                        – V\u1edbi c\u00e1c r\u00e3nh bi\u00ean:<\/p>\n

                        + R\u00e3nh h\u00ecnh thang: b\u1ed1 tr\u00ed tr\u00ean n\u1ec1n \u0111\u1ea5t k\u00edch th\u01b0\u1edbc 0,3m x(0,3m + 0,7m), t\u1ea1i nh\u1eefng \u0111o\u1ea1n l\u00f2ng r\u00e3nh c\u00f3 nguy c\u01a1 b\u1ecb x\u00f3i l\u1edf gia c\u1ed1 b\u1eb1ng BTXM M150 d\u00e0y 15 cm.<\/p>\n

                         <\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 * C\u00e1c y\u00eau c\u1ea7u thi c\u00f4ng ch\u00ednh:<\/em><\/strong><\/p>\n

                        – Vi\u1ec7c \u0111\u00e0o s\u00e2u qu\u00e1 cao \u0111\u1ed9, r\u1ed9ng qu\u00e1 gi\u1edbi h\u1ea1n nh\u01b0 \u0111\u00e3 ghi trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5p l\u1ea1i b\u1eb1ng v\u1eefa x\u00e2y ho\u1eb7c b\u00ea t\u00f4ng b\u1eb1ng kinh ph\u00ed c\u1ee7a Nh\u00e0 th\u1ea7u.<\/p>\n

                        – \u1ede nh\u1eefng v\u1ecb tr\u00ed \u0111\u00e3 ch\u1ec9 ra tr\u00ean b\u1ea3n v\u1ebd ho\u1eb7c theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t, Nh\u00e0 th\u1ea7u ph\u1ea3i th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111\u1eb7t m\u1ed9t l\u1edbp l\u00f3t n\u1ec1n (l\u1edbp \u0111\u1ec7m) t\u1edbi \u0111\u1ed9 s\u00e2u y\u00eau c\u1ea7u v\u00e0 tu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u nh\u01b0 \u0111\u00e3 quy \u0111\u1ecbnh trong m\u1ee5c \u201c l\u1edbp m\u00f3ng c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m\u201d v\u00e0 lu l\u00e8n \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u l\u00e0 K\u00b30,95.<\/p>\n

                        – M\u1eb7t m\u00f3ng r\u00e3nh \u0111\u01b0\u1ee3c \u0111\u1ea7m \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t K\u00b30,95 ho\u1eb7c theo ch\u1ec9 d\u1eabn kh\u00e1c c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        – \u0110\u00e1 \u0111\u01b0\u1ee3c x\u1ebfp th\u00e0nh h\u00e0ng ngang so v\u1edbi \u0111\u01b0\u1eddng tim c\u1ee7a r\u00e3nh v\u00e0 \u0111\u01b0\u1ee3c x\u1ebfp kh\u00edt v\u00e0o nhau. M\u1ed1i n\u1ed1i gi\u1eefa nh\u1eefng h\u00f2n \u0111\u00e1 trong m\u1ed9t h\u00e0ng ph\u1ea3i so le v\u1edbi m\u1ed1i n\u1ed1i \u1edf h\u00e0ng tr\u01b0\u1edbc \u0111\u00f3.<\/p>\n

                        – Sau khi x\u1ebfp \u0111\u00e1 xong, m\u00e9p c\u1ee7a l\u1edbp \u0111\u00e1 x\u00e2y r\u00e3nh ti\u1ebfp gi\u00e1p v\u1edbi m\u1eb7t \u0111\u1ea5t v\u00e0 vai \u0111\u01b0\u1eddng ph\u1ea3i ph\u1eb3ng, th\u1eb3ng, \u0111\u00fang h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc c\u1ee7a tr\u1eafc ngang r\u00e3nh y\u00eau c\u1ea7u.<\/p>\n

                        – \u0110\u00e1 ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e2y theo \u0111\u00fang k\u00edch th\u01b0\u1edbc c\u1ea5u tr\u00fac ghi trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf. C\u00e1c g\u00f3c c\u1ea1nh c\u1ee7a h\u00f2n \u0111\u00e1 ph\u1ea3i kh\u00edt v\u1edbi nhau. M\u1ecdi khe ch\u1ed1ng gi\u1eefa c\u00e1c h\u00f2n \u0111\u00e1 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y v\u1eefa \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t b\u1ee9c t\u01b0\u1eddng v\u1eefng ch\u1eafc.<\/p>\n

                        – R\u00e3nh \u0111\u00e1 x\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng r\u00e3nh b\u00ea t\u00f4ng \u1edf nh\u1eefng n\u01a1i m\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t th\u1ea5y c\u1ea7n thi\u1ebft.<\/p>\n

                        – \u0110\u1ed1i v\u1edbi r\u00e3nh \u0111\u1ec9nh<\/em><\/strong> th\u00ec \u0111\u01b0\u1ee3c thi c\u00f4ng ngay sau khi thi c\u00f4ng xong ph\u1ea7n n\u1ec1n t\u1ea1i v\u1ecb tr\u00ed taluy m\u00e1i \u0111\u1ea5t \u0111\u00f3 \u0111\u1ec3 \u0111\u1ea9m b\u1ea3o tho\u00e1t n\u01b0\u1edbc khi tr\u1eddi m\u01b0a, gi\u1ea3m kh\u1ea3 n\u0103ng g\u00e2y s\u1ee5t s\u1ea1t\u00a0 m\u00e1i taluy.<\/p>\n

                        – R\u00e3nh \u0111\u1ec9nh \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed tr\u00ean m\u00e1i ta luy n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o, m\u1eb7t c\u1eaft ngang r\u00e3nh h\u00ecnh thang, r\u00e3nh \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o b\u1eb1ng b\u00ea t\u00f4ng xi m\u0103ngM150 d\u00e0y 15cm. Tr\u00ecnh t\u1ef1 thi c\u00f4ng nh\u01b0 sau.<\/p>\n

                        – X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u1eebng v\u1ecb tr\u00ed thi\u1ebft k\u1ebf r\u00e3nh \u0111\u1ec9nh, \u0111\u00e1nh d\u1ea5u cao \u0111\u1ed9 v\u00e0 h\u1ea1n ph\u1ea1m vi \u0111\u00e0o r\u00e3nh.<\/p>\n

                        – \u0110\u00e0o b\u1eb1ng m\u00e1y, k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng, qu\u00e1 tr\u00ecnh \u0111\u00e0o r\u00e3nh c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u1ed3ng th\u1eddi trong qu\u00e1 tr\u00ecnh thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ec3 t\u1eadn d\u1ee5ng thi\u1ebft b\u1ecb thi c\u00f4ng.<\/p>\n

                        – Gh\u00e9p v\u00e1n khu\u00f4n th\u00e9p\u00a0 \u0111\u1ecbnh h\u00ecnh v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng r\u00e3nh \u0111\u1ec9nh, b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n b\u1eb1ng m\u00e1y tr\u1ed9n 250l\u00edt, m\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf d\u01b0\u1edbi n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e3 thi c\u00f4ng xong, v\u1eadn chuy\u1ec3n v\u1eefa b\u00ea t\u00f4ng l\u00ean v\u1ecb tr\u00ed \u0111\u1ed5 b\u1eb1ng \u00f4t\u00f4 c\u1ea9u, b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m b\u00e0n v\u00e0 \u0111\u1ea7m d\u00f9i.<\/p>\n

                        – R\u00e3nh \u0111\u1ec9nh thi c\u00f4ng xong \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng theo quy \u0111\u1ecbnh.<\/p>\n

                        Trong qua tr\u00ecnh thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a \u0110\u1ea1i di\u1ec7n Ch\u1ee7 \u0111\u1ea7u t\u01b0 nghi\u1ec7m thu t\u1eebng b\u01b0\u1edbc v\u00e0 gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd, \u0111o\u1ea1n r\u00e3nh n\u00e0o kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng Nh\u00e0 th\u1ea7u s\u1ebd cho \u0111\u1eadp b\u1ecf v\u00e0 thi c\u00f4ng l\u1ea1i.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0 * Ki\u1ec3m tra nghi\u1ec7m thu:<\/em><\/strong><\/p>\n

                        – Ki\u1ec3m tra nghi\u1ec7m thu: \u0110\u00e0o k\u1ebft c\u1ea5u r\u00e3nh x\u00e2y \u0111\u1ec3 ki\u1ec3m tra k\u1ebft c\u1ea5u \u0111\u00e1 x\u00e2y v\u00e0 t\u1ef7 l\u1ec7 v\u1eefa x\u00e2y. M\u1eadt \u0111\u1ed9 ki\u1ec3m tra l\u00e0 3% theo chi\u1ec1u d\u00e0i r\u00e3nh.<\/p>\n

                        – K\u00edch th\u01b0\u1edbc r\u00e3nh sai s\u1ed1 cho ph\u00e9p: \u00b1 20 mm.<\/p>\n

                        – Cao \u0111\u1ed9 \u0111\u00e1y r\u00e3nh x\u00e2y cho ph\u00e9p sai s\u1ed1: \u00b1 20 mm.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Thi c\u00f4ng gia c\u1ed1 ta luy (t\u1ea1i c\u00e1c v\u1ecb tr\u00ed c\u1ed1ng b\u1ea3n)<\/em><\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a. \u1ed0p m\u00e1i ta luy<\/em><\/strong><\/p>\n

                        C\u00e1c v\u1ecb gia c\u1ed1 ta luy \u0111\u01b0\u1ee3c thi c\u00f4ng sau khi \u0111\u00e3 ho\u00e0n ch\u1ec9nh n\u1ec1n \u0111\u01b0\u1eddng, tr\u01b0\u1edbc khi \u1ed1p m\u00e1i ta luy ph\u1ea3i ho\u00e0n thi\u1ec7n m\u00e1i d\u1ed1c ta luy n\u1ec1n \u0111\u01b0\u1eddng, r\u1ea3i \u0111\u00e1 d\u0103m \u0111\u1ec7m v\u00e0 x\u00e2y \u0111\u00e1 h\u1ed9c \u1ed1p m\u00e1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng th\u1ee7 c\u00f4ng theo \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/p>\n

                        Khi x\u00e2y \u0111\u1ec1u ph\u1ea3i r\u1ea3i v\u1eefa tr\u01b0\u1edbc khi \u0111\u1eb7t \u0111\u00e1, kh\u00f4ng \u0111\u1ec3 \u0111\u00e1 ti\u1ebfp x\u00fac v\u1edbi nhau m\u00e0 kh\u00f4ng ch\u00e8n v\u1eefa, c\u00e1c m\u1ea1ch x\u00e2y ph\u1ea3i no v\u1eefa, m\u1ea1ch x\u00e2y ngang d\u1ecdc kh\u00f4ng \u0111\u01b0\u1ee3c t\u1eadp trung th\u00e0nh \u0111i\u1ec3m n\u00fat, c\u00e1c vi\u00ean \u0111\u00e1 s\u1ebd \u0111\u01b0\u1ee3c t\u01b0\u1edbi \u1ea9m \u0111\u1ea3m b\u1ea3o c\u00f3 \u0111\u1ed9 d\u00ednh b\u00e1m t\u1ed1t v\u1edbi v\u1eefa tr\u01b0\u1ee3c khi x\u00e2y.<\/p>\n

                        + Cao \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u00e1y thu\u1ef7 b\u00ecnh v\u00e0 th\u01b0\u1edbc th\u00e9p.<\/p>\n

                        + Ki\u1ec3m tra trong qu\u00e1 tr\u00ecnh thi c\u00f4ng: C\u1ee9 m\u1ed9t ca thi c\u00f4ng ki\u1ec3m tra v\u1ec1 th\u00e0nh ph\u1ea7n c\u1ea5p ph\u1ed1i v\u1eefa m\u1ed9t l\u1ea7n l\u1ea5y t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

                        Kh\u1ed1i x\u00e2y \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, che n\u1eafng v\u00e0 gi\u1eef \u1ea9m trong th\u1eddi gian \u00edt nh\u1ea5t l\u00e0 3 ng\u00e0y sau khi ho\u00e0n th\u00e0nh.<\/p>\n

                        VIII. C\u00d4NG T\u00c1C QU\u1ea2N L\u00dd CH\u1ea4T L\u01af\u1ee2NG<\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0 1. \u0110\u00e1:<\/em><\/strong><\/p>\n

                        – \u0110\u00e1 bao g\u1ed3m \u0111\u00e1 \u1edf m\u1ecf ho\u1eb7c \u0111\u00e1 nh\u00e1m l\u1ea5y t\u1eeb m\u1ecf \u0111\u00e1 c\u1ee9ng, r\u1eafn, b\u1ec1n, ch\u1eafc, ch\u1ecbu \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed v\u00e0 n\u01b0\u1edbc v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u d\u1ef1 \u0111\u1ecbnh.<\/p>\n

                        – \u0110\u00e1 ph\u1ea3i s\u1ea1ch, c\u1ee9ng, kh\u00f4ng c\u00f3 l\u1eabn nh\u1eefng ch\u1ed7 y\u1ebfu ho\u1eb7c v\u1ebft n\u1ee9t, b\u1ec1n v\u1eefng. N\u1ebfu c\u1ea7n thi\u1ebft \u0111\u00e1 ph\u1ea3i \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 c\u00e1c ph\u1ea7n m\u1ecfng ho\u1eb7c m\u1ec1m y\u1ebfu. Khi s\u1eed d\u1ee5ng \u0111\u00e3 ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 k\u00edch th\u01b0\u1edbc.<\/p>\n

                        – \u0110\u1ed1i v\u1edbi \u0111\u00e1 x\u00e2y: \u0110\u00e1 ph\u1ea3i ph\u1eb3ng, h\u00ecnh n\u00eam ho\u1eb7c oval v\u00e0 c\u00f3 th\u1ec3 x\u1ebfp kh\u00edt l\u1ea1i g\u1ea7n nhau, \u0111\u00e1 ph\u1ea3i c\u00f3 chi\u1ec1u d\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 15cm, b\u1ec1 r\u1ed9ng kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 1,5 l\u1ea7n chi\u1ec1u d\u00e0y v\u00e0 kh\u00f4ng nh\u1ecf h\u01a1n 1,5 l\u1ea7n k\u00edch th\u01b0\u1edbc b\u1ec1 r\u1ed9ng.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. V\u1eefa :<\/em><\/strong><\/p>\n

                        – V\u1eefa d\u00f9ng \u0111\u1ec3 x\u00e2y nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf ho\u1eb7c n\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ec9 ra th\u00ec g\u1ed3m 1 ph\u1ea7n xi m\u0103ng Pocland v\u00e0 2 ph\u1ea7n c\u1ed1t li\u1ec7u m\u1ecbn t\u00ednh theo kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 ph\u1ea3i c\u00f3 \u0111\u1ee7 n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra \u0111\u01b0\u1ee3c v\u1eefa c\u00f3 \u0111\u1ee7 \u0111\u1ed9 s\u1ec7t v\u1edbi \u0111\u1ed9 s\u1ee5t theo th\u00ed nghi\u1ec7m trong kho\u1ea3ng 40mm- 60mm \u0111\u1ec3 c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 d\u1ec5 tr\u00e1t b\u1eb1ng tay. L\u01b0\u1ee3ng v\u1eefa ch\u1ec9 \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng theo y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c \u0111\u1ec3 d\u00f9ng ngay.<\/p>\n

                        – Khi d\u00f9ng m\u00e1y tr\u1ed9n th\u00ec v\u1eefa s\u1ebd \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn ngay, c\u00f2n n\u1ebfu tr\u1ed9n b\u1eb1ng tay th\u00ec c\u1ed1t li\u1ec7u m\u1ecbn v\u00e0 xi m\u0103ng ph\u1ea3i \u0111\u01b0\u1ee3c tr\u1ed9n kh\u00f4 \u0111\u1ebfn khi h\u1ed7n h\u1ee3p c\u00f3 m\u1ed9t m\u00e0u \u0111\u1ed3ng nh\u1ea5t, sau \u0111\u00f3 cho n\u01b0\u1edbc v\u00e0o v\u00e0 ti\u1ebfp t\u1ee5c tr\u1ed9n cho \u0111\u1ebfn khi c\u00f3 \u0111\u01b0\u1ee3c h\u1ed7n h\u1ee3p v\u1eefa c\u00f3 \u0111\u1ee7 \u0111\u1ed9 s\u1ec7t y\u00eau c\u1ea7u. V\u1eefa kh\u00f4ng s\u1eed d\u1ee5ng trong v\u00f2ng 120 ph\u00fat sau khi cho n\u01b0\u1edbc v\u00e0o \u0111\u1ec1u ph\u1ea3i lo\u1ea1i b\u1ecf. Kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p tr\u1ed9n l\u1ea1i v\u1eefa th\u1eeba.<\/p>\n

                        – Khi tr\u1ed9n: t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u (tr\u1eeb n\u01b0\u1edbc) \u0111\u01b0\u1ee3c tr\u1ed9n trong m\u00e1y tr\u1ed9n v\u1eefa \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn cho \u0111\u1ebfn khi h\u1ed7n h\u1ee3p \u0111\u1ed3ng \u0111\u1ec1u, sau \u0111\u00f3 t\u01b0\u1edbi n\u01b0\u1edbc v\u00e0o v\u00e0 tr\u1ed9n ti\u1ebfp trong kho\u1ea3ng 5-10 ph\u00fat. L\u01b0\u1ee3ng n\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 tr\u1ed9n v\u1eefa ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u0111\u1eb7c c\u1ee7a v\u1eefa nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n 70% tr\u1ecdng l\u01b0\u1ee3ng xim\u0103ng. V\u1eefa ngay sau khi tr\u1ed9n xong ph\u1ea3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngay l\u1eadp t\u1ee9c. N\u1ebfu\u00a0 c\u1ea7n thi\u1ebft v\u1eefa c\u00f3 th\u1ec3 nh\u00e0o th\u00eam n\u01b0\u1edbc trong kho\u1ea3ng th\u1eddi gian 30 ph\u00fat k\u1ec3 t\u1eeb khi b\u1eaft \u0111\u1ea7u tr\u1ed9n. Sau kho\u1ea3ng th\u1eddi gian n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c nh\u00e0o tr\u1ed9n v\u1eefa l\u1ea1i.<\/p>\n

                        – Xim\u0103ng ph\u1ea3i tu\u00e2n theo nh\u1eefng y\u00eau c\u1ea7u TCVN 4029 – 85 \u0111\u1ebfn 4032-85, TCVN 4787-89.<\/p>\n

                        – C\u1ed1t li\u1ec7u nh\u1ecf tu\u00e2n theo nh\u1eefng y\u00eau c\u1ea7u TCVN 1770-86 \u0111\u1ebfn 1772-86.<\/p>\n

                        – N\u01b0\u1edbc tu\u00e2n theo nh\u1eefng ti\u00eau chu\u1ea9n TCVN 4506-87.<\/p>\n

                        3. Thi c\u00f4ng \u0111\u00e1 x\u00e2y<\/em><\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 a<\/em><\/strong>. L\u1ef1a ch\u1ecdn v\u00e0 x\u00e2y \u0111\u00e1<\/em><\/strong><\/p>\n

                        – Khi x\u00e2y \u0111\u00e1 tr\u00ean n\u1ec1n m\u00f3ng \u0111\u00e3 chu\u1ea9n b\u1ecb xong th\u00ec m\u00f3ng ph\u1ea3i ch\u1eafc ch\u1eafn v\u00e0 ngang b\u1eb1ng, \u0111\u00fang cao \u0111\u1ed9 ho\u1eb7c t\u1eebng c\u1ea5p ph\u1ea3i ngang b\u1eb1ng v\u1edbi m\u1eb7t v\u00e1ch v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi x\u00e2y.<\/p>\n

                        – Ph\u1ea3i c\u1ea9n th\u1eadn tr\u00e1nh \u0111\u1ec3 c\u00e1c vi\u00ean \u0111\u00e1 nh\u1ecf ho\u1eb7c c\u00e1c vi\u00eam \u0111\u00e1 c\u00f9ng c\u1ee1 l\u1ed3i, ph\u00ecnh ra. C\u00e1c vi\u00ean \u0111\u00e1 to ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ebfp \u1edf c\u00e1c g\u00f3c.<\/p>\n

                        T\u1ea5t c\u1ea3 \u0111\u00e1 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch k\u1ef9 v\u00e0 l\u00e0m \u1ea9m ngay tr\u01b0\u1edbc khi x\u1ebfp \u0111\u00e1 v\u00e0 tr\u01b0\u1edbc khi \u0111\u1ed5 v\u1eefa. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c x\u1ebfp v\u1edbi m\u1eb7t d\u00e0i nh\u1ea5t theo chi\u1ec1u ngang ng\u1eadp v\u00e0o v\u1eefa tr\u00ean n\u1ec1n m\u00f3ng v\u00e0 c\u00e1c ph\u1ea7n n\u1ed1i gh\u00e9p \u0111\u01b0\u1ee3c tr\u00e1t b\u1eb1ng ph\u1eb3ng b\u1eb1ng v\u1eefa x\u00e2y.<\/p>\n

                        – Ph\u1ea3i v\u1eadn chuy\u1ec3n c\u00e1c vi\u00ean \u0111\u00e1 c\u1ea9n th\u1eadn sao cho kh\u00f4ng b\u1ecb rung ho\u1eb7c b\u1ecb x\u00ea d\u1ecbch \u0111i khi \u0111\u00e3 x\u1ebfp xu\u1ed1ng. Nh\u00e0 th\u1ea7u ph\u1ea3i cung c\u1ea5p c\u00e1c thi\u1ebft b\u1ecb th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1eb7t c\u00e1c vi\u00ean \u0111\u00e1 l\u1edbn h\u01a1n c\u1ee1 m\u00e0 ch\u00fang ph\u1ea3i c\u1ea7n \u0111\u1ebfn hai ng\u01b0\u1eddi khi\u00eang.<\/p>\n

                        – Kh\u00f4ng \u0111\u01b0\u1ee3c l\u0103n \u0111\u00e1 v\u00e0 tr\u1edf m\u1eb7t \u0111\u00e1 tr\u00ean c\u00e1c v\u00e1ch. N\u1ebfu m\u1ed9t vi\u00ean \u0111\u00e1 b\u1ecb l\u1ecfng ra sau khi \u0111\u1ed5 v\u1eefa l\u1ea7n \u0111\u1ea7u th\u00ec ph\u1ea3i d\u1ee1 ra, l\u00e0m s\u1ea1ch v\u1eefa v\u00e0 \u0111\u1eb7t l\u1ea1i v\u1edbi v\u1eefa m\u1edbi.<\/p>\n

                        – Nh\u00e0 th\u1ea7u ph\u1ea3i th\u1ef1c hi\u1ec7n v\u00e0 \u0111\u1eb7t l\u1edbp l\u00f3t n\u1ec1n t\u1edbi \u0111\u1ed9 d\u00e0y y\u00eau c\u1ea7u tr\u00ean c\u00e1c b\u1ea3n v\u1ebd chi ti\u1ebft ho\u1eb7c theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t. L\u1edbp l\u00f3t n\u00e0y \u0111\u01b0\u1ee3c thi c\u00f4ng nh\u01b0 \u0111\u00e3 quy \u0111\u1ecbnh trong m\u1ee5c \u201c L\u1edbp c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m\u2019\u2019 v\u00e0 lu l\u00e8n \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t K\u00b30,95 th\u00ed nghi\u1ec7m theo AASHTO T180.<\/p>\n

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                        \u00a0\u00a0\u00a0\u00a0\u00a0 d. \u0110\u00e1nh v\u1ed3ng m\u1ea1ch v\u1eefa<\/em><\/strong><\/p>\n

                        – T\u1ea5t c\u1ea3 c\u00e1c m\u1ea1ch v\u1eefa tr\u00ean n\u1ec1n m\u00f3ng l\u1eabn c\u00e1c v\u00e1ch th\u1eb3ng \u0111\u1ee9ng \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n theo b\u1ea3n v\u1ebd ho\u1eb7c theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t. V\u1eefa cho c\u00e1c m\u1ea1ch v\u1eefa tr\u00ean b\u1ec1 m\u1eb7t kh\u1ed1i x\u00e2y ph\u1ea3i h\u01a1i v\u1ed3ng l\u00ean \u1edf gi\u1eefa \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n

                        – C\u00e1c g\u1edd m\u00e9p y\u00eau c\u1ea7u ph\u1ea3i l\u00e0m theo c\u00e1c b\u1ea3n v\u1ebd. Nh\u1eefng ch\u1ed7 kh\u00f4ng y\u00eau c\u1ea7u l\u00e0m g\u1edd th\u00ec \u0111\u1ec9nh c\u1ee7a v\u00e1ch ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n thi\u1ec7n b\u1eb1ng c\u00e1c vi\u00ean \u0111\u00e1 \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 ph\u1ee7 to\u00e0n b\u1ed9 \u0111\u1ec9nh theo v\u00e1ch v\u1edbi \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u c\u1ee7a h\u00e0ng tr\u00ean \u0111\u1ec9nh v\u00e1ch l\u00e0 150mm. C\u00e1c vi\u00ean \u0111\u00e1 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t sao cho l\u1edbp \u0111\u1ec9nh n\u00e0y l\u00e0 1 ph\u1ea7n kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u1ee7a v\u00e1ch.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 d. L\u1ed7 tho\u00e1t n\u01b0\u1edbc<\/em><\/strong><\/p>\n

                        T\u1ea5t c\u1ea3 c\u00e1c v\u00e1ch v\u00e0 t\u01b0\u1eddng ch\u1eafn \u0111\u1ec1u ph\u1ea3i c\u00f3 c\u00e1c l\u1ed7 tho\u00e1t n\u01b0\u1edbc. C\u00e1c l\u1ed7 tho\u00e1t n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00e1c \u0111i\u1ec3m th\u1ea5p nh\u1ea5t n\u01a1i c\u00f3 th\u1ec3 tho\u00e1t n\u01b0\u1edbc ra ngo\u00e0i \u0111\u01b0\u1ee3c t\u1ef1 do. Kho\u1ea3ng c\u00e1ch c\u1ee7a hai l\u1ed7 tho\u00e1t n\u01b0\u1edbc theo quy \u0111\u1ecbnh tr\u00ean c\u00e1c b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf chi ti\u1ebft trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 e. L\u00e0m s\u1ea1ch c\u00e1c m\u1eb7t l\u1ed9 thi\u00ean<\/em><\/strong><\/p>\n

                        Ngay sau khi x\u00e2y \u0111\u00e1 xong v\u00e0 trong khi v\u1eefa c\u00f2n t\u01b0\u01a1i, to\u00e0n b\u1ed9 c\u00e1c m\u1eb7t \u0111\u00e1 ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch h\u1ebft c\u00e1c v\u1ebft v\u1eefa b\u1eb1ng ch\u1ed5i tay m\u1ec1m v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef s\u1ea1ch cho \u0111\u1ebfn khi c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 g. B\u1ea3o d\u01b0\u1ee1ng<\/em><\/strong><\/p>\n

                        C\u00e1c kh\u1ed1i x\u00e2y ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, che n\u1eafng v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef lu\u00f4n \u1ea9m trong th\u1eddi gian \u00edt nh\u1ea5t l\u00e0 7 ng\u00e0y sau khi ho\u00e0n th\u00e0nh.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 h. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 nghi\u1ec7m thu<\/em><\/strong><\/p>\n

                        – Ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u s\u1eed d\u1ee5ng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra qua c\u00e1c s\u1ed1 li\u1ec7u c\u1ee7a ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn tr\u01b0\u1edbc khi x\u00e2y d\u1ef1ng.<\/p>\n

                        – Ki\u1ec3m tra v\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc ph\u1ea7n c\u00f4ng tr\u00ecnh \u0111\u00e3 ho\u00e0n th\u00e0nh h\u00e0ng ng\u00e0y.<\/p>\n

                        – C\u1ee9 250 m3 ph\u1ea3i ki\u1ec3m tra m\u00e1c v\u1eefa m\u1ed9t l\u1ea7n t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

                        – Sai s\u1ed1 v\u1ec1 k\u00edch th\u01b0\u1edbc m\u00f3ng l\u00e0 +50 mm.<\/p>\n

                        – Sai s\u1ed1 v\u1ec1 k\u00edch th\u01b0\u1edbc c\u00e1c ph\u1ea7n kh\u00e1c n\u1eb1m tr\u00ean m\u00f3ng l\u00e0 +20mm.<\/p>\n

                        – Sai s\u1ed1 v\u1ecb tr\u00ed so le c\u00e1c c\u1ea1nh c\u1ee7a vi\u00ean \u0111\u00e1 x\u00e2y l\u00e0 \u00b15mm.<\/p>\n

                        – Sai s\u1ed1 cao \u0111\u1ed9 tr\u00ean \u0111\u1ec9nh kh\u1ed1i x\u00e2y l\u00e0 \u00b140mm.<\/p>\n

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                        CH\u01af\u01a0NG 4<\/u><\/p>\n

                        THI C\u00d4NG H\u1ec6 TH\u1ed0NG AN TO\u00c0N – BI\u1ec2N B\u00c1O GIAO TH\u00d4NG<\/strong><\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 I. N\u1ed9i dung c\u00f4ng vi\u1ec7c<\/strong><\/p>\n

                        Thi c\u00f4ng bi\u1ec3n b\u00e1o, bi\u1ec3n ch\u1ec9 d\u1eabn, c\u1ecdc ti\u00eau, c\u1ed9t Km, c\u1ecdc H, theo di\u1ec1u l\u1ec7 bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 c\u1ee7a B\u1ed9 GTVT. C\u00e1c bi\u1ec3n b\u00e1o \u0111\u1ec1u \u0111\u01b0\u1ee3c s\u01a1n ph\u1ea3n quang.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 II. Y\u00eau c\u1ea7u v\u1eadt li\u1ec7u \u0111\u1ec3 thi c\u00f4ng<\/strong><\/p>\n

                        T\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ec3 thi c\u00f4ng trong h\u1ea1ng m\u1ee5c n\u00e0y \u0111\u1ec1u th\u1ef1c hi\u1ec7n theo \u0110i\u1ec1u l\u1ec7 B\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 22TCN 22-90.<\/p>\n

                        – C\u1ecdc ti\u00eau, c\u1ed9t Km, c\u1ecdc, \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i b\u00e3i \u0111\u00fac c\u1ea5u ki\u1ec7n c\u1ee7a c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                        – Bi\u1ec3n b\u00e1o ph\u1ea3n quang, c\u1ed9t \u0111\u1ee1, r\u00e0o t\u00f4n l\u01b0\u1ee3n s\u00f3ng \u0111\u01b0\u1ee3c gia c\u00f4ng t\u1ea1i c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t chuy\u00ean ng\u00e0nh t\u1ea1i H\u00e0 N\u1ed9i v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t.<\/p>\n

                        III.Y\u00eau c\u1ea7u m\u00e1y thi c\u00f4ng<\/strong><\/p>\n

                        – M\u00e1y x\u00fac 0.8m3.<\/p>\n

                        – \u00d4t\u00f4 7T v\u1eadn chuy\u1ec3n.<\/p>\n

                        – M\u00e1y tr\u1ed9n BT 100l\u00edt.<\/p>\n

                        – \u0110\u1ea7m c\u00f3c.<\/p>\n

                        – \u0110\u1ea7m d\u00f9i.<\/p>\n

                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IV.C\u00f4ng t\u00e1c thi c\u00f4ng<\/strong><\/p>\n

                        1. C\u00f4ng t\u00e1c thi c\u00f4ng bi\u1ec3n b\u00e1o<\/em><\/strong><\/p>\n

                        – \u1ed0ng, lan can, \u1ed1ng n\u1ed1i v\u00e0 c\u00e1c chi ti\u1ebft l\u1eb7t v\u1eb7t kh\u00e1c s\u1ebd \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n c\u1ea9n th\u1eadn v\u00e0o trong kho v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean kh\u1ed1i k\u00ea \u0111\u1eb7t tr\u00ean gi\u00e1 ho\u1eb7c s\u00e0n cao v\u00e0 \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng g\u1ec9. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u1ee5i, d\u1ea7u, m\u1ee1 v\u00e0 c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c. C\u00e1c \u0111\u1ea7u ren \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 tr\u00e1nh h\u01b0 h\u1ecfng.<\/p>\n

                        – Th\u00e9p kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed1t n\u00f3ng, ho\u1eb7c h\u00e0n t\u1ea1i c\u00f4ng tr\u01b0\u1eddng tr\u1eeb khi c\u00f3 ph\u00ea chu\u1ea9n b\u1eb1ng v\u0103n b\u1ea3n c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.\u00a0 Thi c\u00f4ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, khoan l\u1ed7 ho\u1eb7c c\u1eaft th\u00e9p ph\u1ea3i c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng th\u00e9p.<\/p>\n

                        – C\u00e1c c\u1ed9t \u0111\u1ee9ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u1eefng ch\u1eafc. T\u1ea5t c\u1ea3 c\u00e1c chi ti\u1ebft t\u1ea1o l\u1ed7 tr\u01b0\u1edbc v\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ed1 \u0111\u1ecbnh t\u1ea1i ch\u1ed7 s\u1ebd theo nh\u01b0 b\u1ea3n v\u1ebd.<\/p>\n

                        C\u00e1c ph\u1ee5 ki\u1ec7n n\u1ed1i lan can \u1ed1ng s\u1ebd ph\u1ea3i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft b\u1eb1ng c\u00e1c \u0111inh v\u00edt tr\u1eeb khi c\u00f3 qui \u0111\u1ecbnh kh\u00e1c tr\u00ean b\u1ea3n v\u1ebd. L\u1eafp r\u00e1p ph\u1ee5 t\u00f9ng n\u1ed1i lan can b\u1ea3o v\u1ec7 tr\u00ean m\u1eb7t d\u1ed1c s\u1ebd ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh cao \u0111\u1ed9 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u tr\u1eafc d\u1ecdc. \u0110\u1ea7u ren c\u00e1c ph\u1ee5 ki\u1ec7n n\u1ed1i ph\u1ea3i \u0111\u01b0\u1ee3c s\u01a1n ph\u1ee7 b\u1eb1ng s\u01a1n l\u00f3t \u0111\u1ecf v\u00e0 s\u01a1n d\u1ea7u.<\/p>\n

                        – Cung c\u1ea5p v\u00e0 l\u1eafp \u0111\u1eb7t bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c chi ti\u1ebft ghi tr\u00ean b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf chi trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t v\u00e0 ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                        – C\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 ph\u1ea3i \u0111\u00e1p \u1ee9ng v\u1ec1 m\u1ecdi m\u1eb7t ph\u01b0\u01a1ng di\u1ec7n v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 c\u1ee7a Vi\u1ec7t Nam c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0 c\u00e1c chi ti\u1ebft n\u00eau trong b\u1ea3n v\u1ebd. C\u00e1c lo\u1ea1i bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 \u0111\u01b0\u1ee3c ch\u1ec9 r\u00f5 l\u00e0 bi\u1ec3n b\u00e1o nguy hi\u1ec3m, c\u00e1c bi\u1ec3n b\u00e1o c\u1ea5m, bi\u1ec3n ch\u1ec9 d\u1eabn\u2026 v\u00e0 c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u th\u00f4ng tin ho\u1eb7c c\u00e1c bi\u1ec3n ph\u1ee5 kh\u00e1c. C\u00e1c bi\u1ec3n n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c n\u00f3i \u0111\u1ebfn ri\u00eang trong h\u1ee3p \u0111\u1ed3ng nh\u01b0 c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u.<\/p>\n

                        – Bi\u1ec3n b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n ra lo\u1ea1i ti\u00eau chu\u1ea9n v\u00e0 phi ti\u00eau chu\u1ea9n. Bi\u1ec3n b\u00e1o hi\u1ec7u ti\u00eau chu\u1ea9n bao g\u1ed3m bi\u1ec3n b\u00e1o quy \u0111\u1ecbnh trong \u201c\u0110i\u1ec1u l\u1ec7 b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9\u201d 22 TCN 237 \u2013 01.<\/p>\n

                        – K\u00edch th\u01b0\u1edbc c\u1ee7a bi\u1ec3n b\u00e1o hi\u1ec7u ti\u00eau chu\u1ea9n c\u00f3 hai lo\u1ea1i: lo\u1ea1i th\u00f4ng th\u01b0\u1eddng v\u00e0 lo\u1ea1i c\u00f3 k\u00edch th\u01b0\u1edbc m\u1edf r\u1ed9ng quy \u0111\u1ecbnh l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a c\u1ea1nh bi\u1ec3n b\u00e1o hi\u1ec7u h\u00ecnh tam gi\u00e1c (\u0111o t\u1eeb \u0111i\u1ec3m giao nhau k\u00e9o d\u00e0i c\u1ee7a c\u00e1c c\u1ea1nh), chi\u1ec1u r\u1ed9ng c\u1ee7a c\u00e1c bi\u1ec3n b\u00e1o h\u00ecnh b\u00e1t gi\u00e1c v\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u h\u00ecnh tr\u00f2n\u2026 nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong 22 TCN 237 \u2013 01.<\/p>\n

                        a. C\u00e1c y\u00eau c\u1ea7u v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

                          \n
                        • Bi\u1ec3n b\u00e1o hi\u1ec7u<\/em><\/strong><\/li>\n<\/ul>\n

                          Bi\u1ec3n b\u00e1o hi\u1ec7u v\u00e0 c\u00e1c bi\u1ec3n b\u00e1o th\u00f4ng tin ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng t\u1ea5m th\u00e9p c\u00f3 \u0111\u1ed9 d\u00e0y \u00edt nh\u1ea5t l\u00e0 2,5mm. B\u1ec1 m\u1eb7t ph\u00eda tr\u01b0\u1edbc c\u1ee7a bi\u1ec3n b\u00e1o ph\u1ea3i \u0111\u01b0\u1ee3c s\u01a1n b\u1eb1ng 01 l\u1edbp s\u01a1n ch\u1ed1ng g\u1ec9, l\u1edbp s\u01a1n ph\u1ea3n quang ph\u00f9 h\u1ee3p v\u1edbi 22 TCN 282 \u2013 01 \u0111\u1ebfn 22 TCN 285 \u2013 01 v\u00e0 22 TCN 237 \u2013 01. B\u1ec1 m\u1eb7t ph\u00eda sau ph\u1ea3i \u0111\u01b0\u1ee3c s\u01a1n 01 l\u1edbp s\u01a1n ch\u1ed1ng g\u1ec9 v\u00e0 02 l\u1edbp s\u01a1n m\u00e0u xanh.<\/p>\n

                            \n
                          • C\u1ed9t bi\u1ec3n b\u00e1o <\/em><\/strong><\/li>\n<\/ul>\n

                            C\u00e1c c\u1ed9t bi\u1ec3n b\u00e1o \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng th\u00e9p k\u1ebft c\u1ea5u ph\u00f9 h\u1ee3p v\u1edbi 22 TCN 237 \u2013 01. Nh\u00e0 th\u1ea7u c\u00f3 th\u1ec3 d\u00f9ng c\u00e1c c\u1ed9t th\u00e9p d\u1ea1ng \u1ed1ng ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh trong\u00a0 \u201d \u0110i\u1ec1u l\u1ec7 b\u00e1o hi\u1ec7u \u0111\u01b0\u1eddng b\u1ed9 \u201c 22 TCN 237 \u2013 01. T\u1ea5t c\u1ea3 c\u00e1c c\u1ed9t ph\u1ea3i ho\u00e0n to\u00e0n \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch, kh\u00f4ng d\u00ednh d\u1ea7u m\u1ee1, c\u1ea1o b\u1ecf r\u1ec9 s\u1eaft v\u00e0 s\u01a1n m\u1ed9t l\u1edbp s\u01a1n l\u00f3t ch\u1ed1ng r\u1ec9, hai l\u1edbp s\u01a1n ph\u00f9 h\u1ee3p v\u1edbi 22 TCN 282 \u2013 01 \u0111\u1ebfn 22 TCN 285 \u2013 01 v\u00e0 theo ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t .<\/p>\n

                              \n
                            • \u00ca cu bu l\u00f4ng v\u00e0 v\u00f2ng \u0111\u1ec7m<\/em><\/strong><\/li>\n<\/ul>\n

                              \u00ca cu, bu l\u00f4ng, c\u00e1c v\u00f2ng \u0111\u1ec7m v\u00e0 c\u00e1c linh ki\u1ec7n kim lo\u1ea1i kh\u00e1c nhau sau khi ch\u1ebf t\u1ea1o ph\u1ea3i \u0111\u01b0\u1ee3c m\u1ea1 k\u1ebdm ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt ho\u1eb7c ch\u1ec9 d\u1eabn c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                                \n
                              • Kh\u1ed1i m\u00f3ng b\u00ea t\u00f4ng <\/em><\/strong><\/li>\n<\/ul>\n

                                B\u00ea t\u00f4ng d\u00f9ng l\u00e0m kh\u1ed1i m\u00f3ng l\u00e0 lo\u1ea1i ph\u00f9 h\u1ee3p theo nh\u01b0 m\u1ee5c \u201cB\u00ea t\u00f4ng d\u00f9ng cho k\u1ebft c\u1ea5u \u201c. C\u00e1c k\u00edch th\u01b0\u1edbc kh\u1ed1i m\u00f3ng \u0111\u00e3 ch\u1ec9 ra tr\u00ean b\u1ea3n v\u1ebd ho\u1eb7c theo ch\u1ec9 d\u1eabn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                                b. C\u00e1c y\u00eau c\u1ea7u thi c\u00f4ng <\/em><\/strong><\/p>\n

                                  \n
                                • \u0110\u00e0o v\u00e0 \u0111\u1eafp \u0111\u1ea5t <\/em><\/strong><\/li>\n<\/ul>\n

                                  C\u00e1c h\u1ed1 l\u1eafp d\u1ef1ng c\u1ed9t ph\u1ea3i \u0111\u00e0o t\u1edbi \u0111\u1ed9 s\u00e2u quy \u0111\u1ecbnh t\u1edbi \u0111\u00e1y m\u00f3ng b\u00ea t\u00f4ng nh\u01b0 ghi tr\u00ean b\u1ea3n v\u1ebd.<\/p>\n

                                  \u0110\u1ea5t \u0111\u1eafp ph\u1ea3i th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch d\u00f9ng v\u1eadt li\u1ec7u th\u00edch h\u1ee3p \u0111\u00e3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn. \u0110\u1ea5t l\u1ea5p h\u1ed1 m\u00f3ng ph\u1ea3i \u0111\u1ed5 v\u00e0 \u0111\u1ea7m th\u00e0nh c\u00e1c l\u1edbp kh\u00f4ng qu\u00e1 100 mm. V\u1eadt li\u1ec7u \u0111\u00e0o th\u1eeba nh\u00e0 th\u1ea7u ph\u1ea3i b\u1ecf \u0111i \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh v\u00e0 ch\u1ec9 d\u1eabn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                                    \n
                                  • L\u1eafp d\u1ef1ng c\u00e1c c\u1ed9t<\/em><\/strong><\/li>\n<\/ul>\n

                                    C\u00e1c c\u1ed9t ph\u1ea3i d\u1ef1ng th\u1eb3ng t\u1ea1i ch\u1ed7 trong v\u00e1n khu\u00f4n c\u1ee7a kh\u1ed1i m\u00f3ng tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 ph\u1ea3i gi\u1eef m\u1ed9t c\u00e1ch th\u00edch h\u1ee3p b\u1eb1ng thanh gi\u1eb1ng \u0111\u1ec3 ch\u1ed1ng tr\u1ea5n \u0111\u1ed9ng c\u1ed9t trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng. C\u00e1c c\u1ed9t ph\u1ea3i \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed ghi tr\u00ean b\u1ea3n v\u1ebd c\u1eaft ngang \u0111i\u1ec3n h\u00ecnh v\u00e0 \u0111\u00fang quy \u0111\u1ecbnh trong 22 TCN 237-01 .<\/p>\n

                                      \n
                                    • L\u1eafp \u0111\u1eb7t bi\u1ec3n b\u00e1o hi\u1ec7u<\/em><\/strong><\/li>\n<\/ul>\n

                                      Bi\u1ec3n b\u00e1o hi\u1ec7u ph\u1ea3i l\u1eafp \u0111\u1eb7t theo c\u00e1c chi ti\u1ebft ghi tr\u00ean b\u1ea3n v\u1ebd. Kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p \u0111\u1ee5c, \u0111\u1ebdo ho\u1eb7c u\u1ed1n cong c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u. N\u1ebfu c\u00f3 c\u00e1c s\u1ef1 vi\u1ec7c nh\u01b0 tr\u00ean Nh\u00e0 th\u1ea7u ph\u1ea3i thay c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u n\u00e0y b\u1eb1ng ch\u00ednh chi ph\u00ed c\u1ee7a m\u00ecnh.<\/p>\n

                                      Ph\u1ea7n linh ki\u1ec7n li\u00ean k\u1ebft \u0111\u1ec3 tr\u1ea7n tr\u00ean m\u1eb7t c\u00e1c bi\u1ec3n b\u00e1o ph\u1ea3i \u0111\u01b0\u1ee3c s\u01a1n t\u01b0\u01a1ng x\u1ee9ng v\u1edbi m\u00e0u n\u1ec1n c\u1ee7a bi\u1ec3n b\u00e1o.<\/p>\n

                                      T\u1ea5t c\u1ea3 c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u giao th\u00f4ng v\u1eeba m\u1edbi l\u1eafp d\u1ef1ng ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 che ph\u1ee7 k\u00edn cho t\u1edbi khi \u0111\u01b0\u1ee3c ph\u00e9p c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t cho th\u00e1o d\u1ee1 c\u00e1c t\u1ea5m ph\u1ee7 \u0111\u00f3<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 c. \u0110o \u0111\u1ea1c nghi\u1ec7m thu.<\/em><\/strong><\/p>\n

                                      Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u ph\u1ea3n quang theo ti\u00eau chu\u1ea9n v\u00e0 c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u th\u01b0\u1eddng quy \u0111\u1ecbnh ph\u1ea3i l\u00e0 s\u1ed1 c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u00fang quy c\u00e1ch \u0111\u00e3 quy \u0111\u1ecbnh trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf v\u00e0 22 TCN 237-01 t\u00ednh c\u1ea3 c\u00e1c c\u1ed9t tr\u1ee5, b\u1ec7 \u0111\u1ee1 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1eafp d\u1ef1ng v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn.<\/p>\n

                                      Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c bi\u1ec3n b\u00e1o hi\u1ec7u th\u00f4ng tin phi ti\u00eau chu\u1ea9n l\u00e0 s\u1ed1 l\u01b0\u1ee3ng c\u00e1c bi\u1ec3n b\u00e1o \u0111\u00f3 t\u00ednh c\u1ea3 c\u00e1c c\u1ed9t v\u00e0 b\u1ec7 \u0111\u1ee1 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1eafp d\u1ef1ng v\u00e0 \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. Thi c\u00f4ng c\u1ecdc ti\u00eau, c\u1ed9t Km, C\u1ecdc H<\/em><\/strong><\/p>\n

                                      C\u0103n c\u1ee9 v\u00e0o v\u1ecb tr\u00ed \u0111\u1eb7t c\u00e1c c\u1ecdc ti\u00eau, c\u1ed9t Km, c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt c\u1eafm c\u00e1c c\u1ecdc \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c c\u1ee7a t\u1eebng c\u1ecdc c\u1ed9t.<\/p>\n

                                      D\u00f9ng nh\u00e2n c\u00f4ng \u0111\u00e0o h\u1ed1 m\u00f3ng, \u0111\u00e1t \u0111\u00e1 \u0111\u00e0o l\u00ean \u0111\u01b0\u1ee3c \u0111\u1ed5 g\u1ecdn v\u00e0o hai b\u00ean \u0111\u1ec3 \u0111\u1eafp t\u1eadn d\u1ee5ng.<\/p>\n

                                      V\u1eadn chuy\u1ec3n c\u1ea5u ki\u1ec7n r\u1ea3i ra c\u00e1c v\u1ecb tr\u00ed c\u1ea7n l\u1eafp \u0111\u1eb7t.<\/p>\n

                                      C\u00e1c v\u1eadt li\u1ec7u, c\u1ea5u ki\u1ec7n l\u1eafp \u0111\u1eb7t \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec7m thu v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o l\u1eafp \u0111\u1eb7t.<\/p>\n

                                      C\u00e1c c\u1ed9t ti\u00eau, c\u1ed9t Km \u0111\u01b0\u1ee3c d\u1ef1ng th\u1eb3ng \u0111\u1ee9ng t\u1ea1i ch\u1ed7 trong v\u00e1n khu\u00f4n c\u1ee7a kh\u1ed1i m\u00f3ng tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c d\u1eef m\u1ed9t th\u00edch h\u1ee3p b\u1eb1ng thanh gi\u1eb1ng \u0111\u1ec3 ch\u1ed1ng tr\u1ea5n \u0111\u1ed9ng c\u1ed9t. C\u00e1c m\u00e1c v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n

                                      C\u00e1c c\u1ed9t ph\u1ea3i \u0111\u1eb7t \u0111\u00fang v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf tr\u00ean b\u1ea3n v\u1ebd, c\u1ecdc ti\u00eau ph\u1ea3i \u0111\u01b0\u1ee3c c\u1eafm s\u00e1t vai \u0111\u01b0\u1eddng c\u00e1ch m\u00e9p ph\u1ea5n xe ch\u1ea1y 0,5m, ph\u1ea3i tr\u1ed3ng th\u1eb3ng h\u00e0ng tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng v\u00e0 l\u01b0\u1ee3n cong d\u1ea7n theo \u0111\u01b0\u1eddng cong.<\/p>\n

                                      C\u1ed9t Km \u0111\u1eb7t c\u1ed9t theo chi\u1ec1u c\u1eaft ngang \u0111\u01b0\u1eddng v\u1ec1 ph\u00eda tay ph\u1ea3i theo \u0111i\u1ec1u l\u1ec7 bi\u1ec3n b\u00e1o hi\u00eau \u0111\u01b0\u1eddng b\u1ed9 22TCN 22-90.<\/p>\n

                                      PH\u1ea6N II<\/u><\/p>\n

                                      C\u00c1C GI\u1ea2I PH\u00c1P QU\u1ea2N L\u00dd CH\u1ea4T L\u01af\u1ee2NG<\/strong><\/p>\n

                                      I. CH\u00cdNH S\u00c1CH \u0110\u1ecaNH H\u01af\u1edaNG<\/strong><\/p>\n

                                      \u0110\u01a1n v\u1ecb ch\u00fang t\u00f4i, Doanh nghi\u1ec7p XD&TM TN Th\u00e1i S\u01a1n l\u00e0 \u0111\u01a1n v\u1ecb c\u00f3 nhi\u1ec1u kinh nghi\u1ec7m v\u1ec1 x\u00e2y l\u1eafp c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, c\u00f4ng nghi\u1ec7p v\u00e0 giao th\u00f4ng v\u1eadn t\u1ea3i. V\u1edbi:<\/p>\n

                                      – \u0110\u1ed9i ng\u0169 c\u00e1n b\u1ed9 d\u00e0y d\u1ea1n kinh nghi\u1ec7m, c\u00f3 n\u0103ng l\u1ef1c t\u1ed5 ch\u1ee9c thi c\u00f4ng.<\/p>\n

                                      – \u0110\u1ed9i ng\u0169 c\u00f4ng nh\u00e2n k\u1ef9 thu\u1eadt l\u00e0nh ngh\u1ec1.<\/p>\n

                                      – Thi\u1ebft b\u1ecb thi c\u00f4ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n

                                      – C\u00f3 n\u0103ng l\u1ef1c d\u1ed3i d\u00e0o v\u1ec1 t\u00e0i ch\u00ednh.<\/p>\n

                                      – \u0110\u1eb7c bi\u1ec7t l\u00e0 \u0111\u01a1n v\u1ecb c\u00f3 nhi\u1ec1u t\u00e2m huy\u1ebft v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u1ee7a m\u1ea3nh \u0111\u1ea5t S\u00ecn H\u1ed3.<\/p>\n

                                      Ch\u00fang t\u00f4i x\u00e1c \u0111\u1ecbnh \u0111\u00e2y l\u00e0 c\u00f4ng tr\u00ecnh g\u1eafn li\u1ec1n v\u1edbi d\u1ef1 \u00e1n T\u00e1i \u0111\u1ecbnh c\u01b0 thu\u1ef7 \u0111i\u1ec7n S\u01a1n La, l\u00e0 c\u00f4ng tr\u00ecnh tr\u1ecdng \u0111i\u1ec3m c\u1ee7a Doanh nghi\u1ec7p, mang nhi\u1ec1u \u00fd ngh\u0129a, nh\u1ea5t l\u00e0 \u00fd ngh\u0129a v\u1ec1 m\u1eb7t kinh t\u1ebf – ch\u00ednh tr\u1ecb.<\/p>\n

                                      \u0110\u1ec3 c\u00f4ng tr\u00ecnh \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng lu\u00f4n l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u01b0\u1ee3c \u0111\u01b0a l\u00ean v\u1ecb tr\u00ed quan t\u00e2m h\u00e0ng \u0111\u1ea7u c\u1ee7a Doanh nghi\u1ec7p. Ch\u00fang t\u00f4i thi\u1ebft l\u1eadp m\u1ed9t quy tr\u00ecnh ch\u1eb7t ch\u1ebd nh\u1eb1m qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c t\u1ed1t ch\u1ea5t l\u01b0\u1ee3ng x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh. \u0110\u1ec3 c\u00f4ng tr\u00ecnh \u0111\u1ea3m b\u1ea3o ch\u1ea5t Nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i lu\u00f4n th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7u t\u01b0 c\u1ea3i ti\u1ebfn c\u00f4ng ngh\u1ec7, \u0111\u00e0o t\u1ea1o n\u00e2ng cao tr\u00ecnh \u0111\u1ed9 nh\u1eb1m tho\u1ea3 m\u00e3n ng\u00e0y c\u00e0ng t\u1ed1t h\u01a1n c\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng, k\u1ef9 thu\u1eadt, m\u1ef9 thu\u1eadt, ti\u1ebfn \u0111\u1ed9 c\u00f4ng tr\u00ecnh, y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 II. TH\u1ef0C HI\u1ec6N<\/strong><\/p>\n

                                      \u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u00ednh s\u00e1ch \u0111\u00e3 n\u00eau t\u1ea1i m\u1ee5c I\u00a0 Nh\u00e0 th\u1ea7u ch\u00fang t\u00f4i tri\u1ec3n khai th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng nghi\u1ec7p v\u1ee5 d\u1ef1a tr\u00ean c\u01a1 s\u1edf \u0111\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng v\u00e0 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd c\u00e1c c\u00f4ng \u0111o\u1ea1n c\u1ee7a qui tr\u00ecnh s\u1ea3n xu\u1ea5t. C\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. Tr\u00e1ch nhi\u1ec7m l\u00e3nh \u0111\u1ea1o<\/em><\/strong><\/p>\n

                                      Gi\u00e1m \u0111\u1ed1c ch\u1ecbu tr\u00e1ch nhi\u1ec7m cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ngu\u1ed3n l\u1ef1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n tri\u1ec3n khai c\u00e1c c\u00f4ng vi\u1ec7c t\u1ea1i c\u00f4ng tr\u01b0\u1eddng. C\u00e1c ch\u1ee9c danh li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec1u \u0111\u01b0\u1ee3c n\u00eau r\u00f5 ch\u1ee9c n\u0103ng, nhi\u1ec7m v\u1ee5, quy\u1ec1n h\u1ea1n v\u00e0 m\u1ed1i quan h\u1ec7 \u0111\u1ed1i v\u1edbi c\u00e1c ph\u00f2ng ban nghi\u1ec7p v\u1ee5 c\u1ee7a Doanh nghi\u1ec7p. Gi\u00e1m \u0111\u1ed1c gi\u1eef quy\u1ec1n ki\u1ec3m tra, gi\u00e1m s\u00e1t th\u00f4ng qua c\u00e1c bu\u1ed5i h\u1ecdp giao ban s\u1ea3n xu\u1ea5t c\u1ee7a Doanh nghi\u1ec7p, c\u00e1c bu\u1ed5\u1ec9 h\u1ecdp v\u1edbi Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3, \u0111\u1ed9t xu\u1ea5t t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. L\u1eadp k\u1ebf ho\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng: <\/em><\/strong><\/p>\n

                                      C\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec1u \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp c\u00e1c k\u1ebf ho\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng trong \u0111\u00f3 bao g\u1ed3m t\u1eeb k\u1ebf ho\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a c\u1ea3 c\u00f4ng tr\u01b0\u1eddng cho \u0111\u1ebfn k\u1ebf ho\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c t\u1ed5 \u0111\u1ed9i nghi\u1ec7p v\u1ee5. C\u00e1c k\u1ebf ho\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ec1u ch\u1ec9 r\u00f5 ng\u01b0\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m ch\u00ednh, ng\u01b0\u1eddi v\u00e0 b\u1ed9 ph\u1eadn ph\u1ed1i thu\u1ed9c, th\u1eddi gian b\u1eaft \u0111\u1ea7u th\u1ef1c hi\u1ec7n v\u00e0 k\u1ebft th\u00fac t\u1eebng ph\u1ea7n c\u00f4ng vi\u1ec7c, l\u1ecbch tr\u00ecnh t\u1ed5 ch\u1ee9c ki\u1ec3m tra xem x\u00e9t kh\u1edbp n\u1ed1i gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, c\u00e1c v\u0103n b\u1ea3n v\u00e0 t\u00e0i li\u1ec7u li\u00ean quan. \u0110\u00e2y ch\u00ednh l\u00e0 c\u01a1 s\u1edf ch\u1ee7 y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh kh\u1ea3 thi c\u1ee7a c\u00f4ng t\u00e1c tri\u1ec3n khai th\u1ef1c hi\u1ec7n theo c\u00e1c bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt ban \u0111\u1ea7u. \u0110\u1ed3ng th\u1eddi cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng c\u00f4ng nh\u1eadn l\u00e0 c\u00f4ng tr\u00ecnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ng\u00e0nh, c\u1ee7a B\u1ed9 v\u00e0 k\u1ecbp th\u1eddi \u0111\u01b0a c\u00f4ng tr\u00ecnh v\u00e0o khai th\u00e1c s\u1eed d\u1ee5ng theo \u0111\u00fang th\u1eddi gian y\u00eau c\u1ea7u c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. Ki\u1ec3m so\u00e1t t\u00e0i li\u1ec7u<\/em><\/strong><\/p>\n

                                      C\u00e1c t\u00e0i li\u1ec7u nh\u01b0: h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, v\u0103n b\u1ea3n ph\u00e1p l\u00fd, h\u1ed3 s\u01a1 h\u1ee3p \u0111\u1ed3ng, thuy\u1ebft minh v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p thi c\u00f4ng, an to\u00e0n lao \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, qui tr\u00ecnh, qui ph\u1ea1m v\u00e0 c\u00e1c v\u0103n b\u1ea3n ph\u00e1t sinh kh\u00e1c c\u1ee7a c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd th\u00f4ng qua s\u1ed5 theo d\u00f5i danh m\u1ee5c t\u00e0i li\u1ec7u hi\u1ec7n h\u00e0nh, s\u1ed5 tay ph\u00e2n ph\u1ed1i t\u00e0i li\u1ec7u v\u00e0 d\u1ea5u ki\u1ec3m so\u00e1t t\u00e0i li\u1ec7u. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n c\u00e1c sai s\u00f3t do s\u1eed d\u1ee5ng c\u00e1c t\u00e0i li\u1ec7u l\u1ed7i th\u1eddi v\u00e0o c\u00f4ng tr\u00ecnh \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o cho m\u1ecdi ng\u01b0\u1eddi li\u00ean quan \u0111\u1ebfn c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t \u0111\u1ec1u s\u1eb5n c\u00f3 c\u00e1c t\u00e0i li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c thi nhi\u1ec7m v\u1ee5.<\/p>\n

                                      4. Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng<\/em><\/strong><\/p>\n

                                      C\u00e1c c\u00f4ng t\u00e1c li\u00ean quan \u0111\u1ebfn qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t t\u1eeb c\u00e1c kh\u00e2u: Kh\u1ea3o s\u00e1t hi\u1ec7n tr\u01b0\u1eddng, qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u nh\u1eadp v\u00e0o c\u00f4ng tr\u01b0\u1eddng, l\u1eadp v\u00e0 ph\u00ea duy\u1ec7t bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00e1c th\u00e0nh ph\u1ea7n c\u00f4ng vi\u1ec7c, tri\u1ec3n khai th\u1ef1c hi\u1ec7n v\u00e0 nghi\u1ec7m thu c\u00e1c c\u00f4ng vi\u1ec7c s\u1ea3n xu\u1ea5t t\u1eeb n\u1ed9i b\u1ed9 Doanh nghi\u1ec7p \u0111\u1ebfn H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu c\u01a1 s\u1edf.<\/p>\n

                                      Nghi\u00ean c\u1ee9u t\u1ed5ng th\u1ec3 v\u00e0 chi ti\u1ebft to\u00e0n b\u1ed9 \u0111\u1ed3 \u00e1n thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3 \u0111\u1ed1i v\u1edbi t\u1eebng h\u1ea1ng m\u1ee5c, chi ti\u1ebft \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c \u0111i\u1ec1u t\u1ed3n t\u1ea1i b\u1ea5t h\u1ee3p l\u00fd trong \u0111\u1ed3 \u00e1n c\u0169ng nh\u01b0 s\u1ef1 thi\u1ebfu h\u1ee3p l\u00fd li\u00ean quan gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, c\u00f4ng vi\u1ec7c v\u00e0 t\u1ed5ng th\u1ec3 \u0111\u1ed3 \u00e1n \u0111\u1ec3 k\u1ecbp th\u1eddi \u0111\u1ec1 xu\u1ea5t v\u1edbi Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 c\u00e1c c\u01a1 quan li\u00ean quan nh\u01b0 T\u01b0 v\u1ea5n thi\u1ebft k\u1ebf, T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng. Quy \u0111\u1ecbnh h\u00ecnh th\u1ee9c t\u1ed5 ch\u1ee9c th\u1ef1c hi\u1ec7n c\u00e1c cu\u1ed9c h\u1ecdp giao ban, c\u1ee5 th\u1ec3 nh\u01b0: Th\u1ef1c hi\u1ec7n giao ban h\u00e0ng ng\u00e0y gi\u1eefa Ch\u1ee7 nhi\u1ec7m c\u00f4ng tr\u00ecnh, c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c t\u1ed5 \u0111\u1ed9i, giao ban h\u00e0ng tu\u1ea7n trong n\u1ed9i b\u1ed9 c\u00f4ng tr\u00ecnh v\u1edbi c\u00e1n b\u1ed9 gi\u00e1m s\u00e1t c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0, giao ban h\u00e0ng th\u00e1ng gi\u1eefa Doanh nghi\u1ec7p v\u00e0 Ban ch\u1ec9 huy C\u00f4ng tr\u01b0\u1eddng, gi\u1eefa Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 Doanh nghi\u1ec7p \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c c\u00f4ng vi\u1ec7c \u0111\u00e3 ho\u00e0n th\u00e0nh, gi\u1ea3i quy\u1ebft c\u00e1c v\u01b0\u1edbng m\u1eafc t\u1ed3n \u0111\u1ecdng trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n, ki\u1ec3m \u0111i\u1ec3m ti\u1ebfn \u0111\u1ed9 v\u00e0 \u0111\u1ec1 xu\u1ea5t gi\u1ea3i ph\u00e1p d\u1ef1 ph\u00f2ng.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5. Qu\u1ea3n l\u00fd m\u00e1y m\u00f3c thi\u1ebft b\u1ecb <\/em><\/strong><\/p>\n

                                      To\u00e0n b\u1ed9 c\u00e1c m\u00e1y m\u00f3c thi\u1ebft b\u1ecb li\u00ean quan \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u1eadp danh m\u1ee5c theo d\u00f5i v\u00e0 t\u1ed5 ch\u1ee9c b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u1ee5c v\u1ee5 k\u1ecbp th\u1eddi cho thi c\u00f4ng . Vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 \u0111i\u1ec1u ph\u1ed1i m\u00e1y tr\u00ean c\u00f4ng tr\u01b0\u1eddng \u0111u\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi chuy\u00ean vi\u00ean qu\u1ea3n l\u00fd m\u00e1y m\u00f3c thi\u1ebft b\u1ecb, c\u00e1c c\u00e1n b\u1ed9 thao t\u00e1c v\u1eadn h\u00e0nh m\u00e1y \u0111\u1ec1u ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam t\u00fac c\u00e1c qui \u0111\u1ecbnh v\u1ec1 v\u1eadn h\u00e0nh \u0111\u1ed1i v\u1edbi t\u1eebng lo\u1ea1i m\u00e1y m\u00f3c thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3. C\u00e1c lo\u1ea1i m\u00e1y m\u00f3c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng \u0111\u1ec1u c\u00f3 c\u00e1c gi\u1ea3i ph\u00e1p d\u1ef1 ph\u00f2ng thay th\u1ebf \u0111\u1ec3 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng khi c\u00f3 s\u1ef1 c\u1ed1.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 6. Ki\u1ec3m so\u00e1t c\u00f4ng t\u00e1c mua h\u00e0ng<\/em><\/strong><\/p>\n

                                      T\u1ea5t c\u1ea3 c\u00e1c\u00a0 nh\u00e0 cung c\u1ea5p nguy\u00ean v\u1eadt li\u1ec7u cho c\u00f4ng tr\u00ecnh kh\u00f4ng lo\u1ea1i tr\u1eeb l\u00e0 doanh nghi\u1ec7p b\u00ean ngo\u00e0i hay n\u1ed9i b\u1ed9 Doanh nghi\u1ec7p \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u1eadp th\u00e0nh danh s\u00e1ch tr\u00ean c\u1edf s\u1edf ki\u1ec3m tra v\u00e0 c\u00e2n \u0111\u1ed1i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 gi\u00e1 th\u00e0nh s\u1ea3n ph\u1ea9m cung c\u1ea5p c\u0169ng nh\u01b0 uy t\u00edn v\u00e0 c\u00e1ch th\u1ee9c ph\u1ee5c v\u1ee5 nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00e0 k\u1ef9 thu\u1eadt c\u0169ng nh\u01b0 h\u1ea1n ch\u1ebf \u0111\u1ebfn m\u1ee9c th\u1ea5p nh\u1ea5t kh\u1ea3 n\u0103ng ch\u1edd \u0111\u1ee3i do nguy\u00ean v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c cung \u1ee9ng k\u1ecbp th\u1eddi v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng tr\u00ean c\u00f4ng tr\u00ecnh.<\/p>\n

                                      \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7. C\u00e1c h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c, ph\u00f2ng ng\u1eeba<\/em><\/strong><\/p>\n

                                      Doanh nghi\u1ec7p c\u00f3 v\u0103n b\u1ea3n qui \u0111\u1ecbnh r\u00f5 vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u1eafc ph\u1ee5c \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 m\u1ed9t l\u1ed7i kh\u00f4ng ph\u00f9 h\u1ee3p n\u00e0o n\u1ea3y sinh trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, kh\u00f4ng h\u1ea1n ch\u1ebf l\u00e0 c\u00e1c l\u1ed7i k\u1ef9 thu\u1eadt \u0111\u01a1n thu\u1ea7n hay c\u00e1c sai l\u1ed7i t\u1eeb vi\u1ec7c qu\u1ea3n l\u00fd t\u00e0i li\u1ec7u, ti\u1ebfn \u0111\u1ed9 cung \u1ee9ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng nguy\u00ean v\u1eadt li\u1ec7u \u0111\u1ed3ng th\u1eddi qui \u0111\u1ecbnh c\u00e1ch th\u1ee9c ti\u1ebfn h\u00e0nh c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u00f2ng ng\u1eeba \u0111\u1ec3 tr\u00e1nh l\u1eb7p l\u1ea1i hay n\u1ea3y sinh m\u1edbi c\u00e1c l\u1ed7i kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n

                                      C\u01a1 s\u1edf \u0111\u1ec3 qu\u1ea3n l\u00fd ch\u1ea5t l\u00ad\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh n\u00e0y, ngo\u00e0i c\u00e1c quy \u0111\u1ecbnh trong quy ch\u1ebf qu\u1ea3n l\u00fd ch\u1ea5t l\u00ad\u01b0\u1ee3ng, quy ch\u1ebf t\u01b0\u00ad v\u1ea5n gi\u00e1m s\u00e1t hi\u1ec7n h\u00e0nh, c\u00e1c quy tr\u00ecnh thi c\u00f4ng v\u00e0 nghi\u1ec7m thu d\u01b0\u1edbi \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ef9 thu\u1eadt x\u00e2y d\u1ef1ng v\u00e0 th\u1ed1ng nh\u1ea5t trong quan h\u1ec7 ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu.<\/p>\n

                                      1. C\u00e1c\u00a0 quy chu\u1ea9n, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho thi c\u00f4ng v\u00e0 nghi\u1ec7m thu:<\/u><\/em><\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                                      \n

                                      STT<\/strong><\/p>\n<\/td>\n

                                      		\n

                                      T\u00ean quy chu\u1ea9n, ti\u00eau chu\u1ea9n<\/strong><\/p>\n<\/td>\n

                                      		\n

                                      K\u00fd hi\u1ec7u<\/strong><\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh nghi\u1ec7m thu ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u1ee7a n\u1ec1n \u0111\u1ea5t trong ng\u00e0nh GTVT<\/td>\n\n

                                      22TCN 02-71&Q\u01104313\/2001\/Q\u0110-BGTVT<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Lu b\u00e1nh l\u1ed1p<\/td>\n\n

                                      22TCN 254 \u2013 99<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh k\u1ef9 thu\u1eadt x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng c\u1ee7a \u0111\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t<\/td>\n\n

                                      22TCN 13 \u2013 79<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh k\u1ef9 thu\u1eadt \u0111o \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng m\u1eb7t \u0111\u01b0\u1eddng b\u1eb1ng th\u01b0\u1edbc 3m<\/td>\n\n

                                      22TCN 16 \u2013 79<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh th\u00ed nghi\u1ec7m\u00a0 b\u00ea t\u00f4ng xi m\u0103ng<\/td>\n\n

                                      22 TCN 60 \u2013 84<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh m\u00f4\u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00e1 gia c\u1ed1 ch\u1ea5t k\u1ebft d\u00ednh v\u00f4 c\u01a1<\/td>\n\n

                                      22 TCN 72 \u2013 84<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a \u0111\u00e1<\/td>\n\n

                                      22 TCN 57\u00a0 \u2013 84<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Quy tr\u00ecnh x\u00e1c \u0111inh nhanh \u0111\u1ed9 \u1ea9m c\u1ee7a \u0111\u1ea5t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p th\u1ec3 t\u00edch<\/td>\n\n

                                      22 TCN 67 \u2013 84<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		C\u00e1t x\u00e2y d\u1ef1ng<\/td>\n\n

                                      TCVN 337-86 \u0111\u1ebfn TCVN 346-86<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		C\u00e1t x\u00e2y d\u1ef1ng \u2013 Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng MICA<\/td>\n\n

                                      TCVN 4376-86<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		\u0110\u1ea5t x\u00e2y d\u1ef1ng \u2013 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh t\u00ednh ch\u1ea5t c\u01a1-l\u00fd c\u1ee7a \u0111\u1ea5t trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/td>\n\n

                                      TCVN 4195 \u0111\u1ebfn 4202-1995<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		S\u01a1n t\u00edn hi\u1ec7u giao th\u00f4ng<\/td>\n\n

                                      22 TCN 282, 283, 284, 285 -2001<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Th\u00ed nghi\u1ec7m \u0111\u1ea7m n\u00e9n c\u1ea3i ti\u1ebfn<\/td>\n\n

                                      AASHTO T180 (1997)<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 BTXM<\/td>\n\n

                                      TCVN 3118 – 1993<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		B\u00ea t\u00f4ng n\u1eb7ng -l\u1ea5y m\u1eabu, ch\u1ebf t\u1ea1o v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u1eabu th\u1eed<\/td>\n\n

                                      TCVN 3105-1993<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		B\u00ea t\u00f4ng n\u1eb7ng -ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 s\u1ee5t<\/td>\n\n

                                      TCVN 3106-1993<\/p>\n<\/td>\n<\/tr>\n

                                      \n
                                        \n
                                      1. <\/li>\n<\/ol>\n<\/td>\n
                                      		Th\u00ed nghi\u1ec7m v\u1ec1 \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng c\u00e1t<\/td>\n\n

                                      ASTM D2419-\u00a0 79 (91)<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                        \n
                                      • C\u00e1c quy chu\u1ea9n tham chi\u1ebfu<\/strong><\/li>\n<\/ul>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
                                        \n

                                        STT<\/strong><\/p>\n<\/td>\n

                                        		\n

                                        T\u00ean quy chu\u1ea9n, ti\u00eau chu\u1ea9n<\/strong><\/p>\n<\/td>\n

                                        		\n

                                        K\u00fd hi\u1ec7u<\/strong><\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		Quy tr\u00ecnh ph\u00e2n t\u00edch n\u01b0\u1edbc d\u00f9ng trong c\u00f4ng tr\u00ecnh giao th\u00f4ng<\/td>\n\n

                                        22TCN 61-84<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		Quy tr\u00ecnh th\u00ed nghi\u1ec7m ph\u00e2n t\u00edch nhanh th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ea5t trong \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng<\/td>\n\n

                                        22TCN 66-84<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		K\u1ebft c\u1ea5u b\u00ea t\u00f4ng v\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p to\u00e0n kh\u1ed1i \u2013 Quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu<\/td>\n\n

                                        TCVN 4453-1995<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		C\u00e1t, \u0111\u00e1, s\u1ecfi x\u00e2y d\u1ef1ng<\/td>\n\n

                                        TCVN 1770 \u0111\u1ebfn TCVN 1772-87<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		C\u00e1t ti\u00eau chu\u1ea9n \u0111\u1ec3 th\u1eed xi m\u0103ng<\/td>\n\n

                                        TCVN 139-91<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		N\u01b0\u1edbc cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa<\/td>\n\n

                                        TCVN 4506-87; TCVN 2655 \u0111\u1ebfn 2671-87<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		Xi m\u0103ng<\/td>\n\n

                                        TCVN 2682-92, TCVN 4029-85 \u0111\u1ebfn 4032-85<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		Th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng SO3 trong xi m\u0103ng<\/td>\n\n

                                        TCVN 141-86<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		Th\u00ed nghi\u1ec7m\u00a0 x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng m\u1ea5t khi nung xi m\u0103ng<\/td>\n\n

                                        TCVN 144-86<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		Xi m\u0103ng<\/td>\n\n

                                        TCVN 4787-89<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		\u0110\u1ea5t x\u00e2y d\u1ef1ng<\/td>\n\n

                                        TCVN 5747-93<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		\u0110\u1ea5t x\u00e2y d\u1ef1ng –\u00a0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ec9nh l\u00fd th\u1ed1ng k\u00ea c\u00e1c k\u1ebft qu\u1ea3 t\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a \u0111\u1ea5t<\/td>\n\n

                                        TCVN 74-87<\/p>\n<\/td>\n<\/tr>\n

                                        \n
                                          \n
                                        1. <\/li>\n<\/ol>\n<\/td>\n
                                        		\u0110\u1ea5t x\u00e2y d\u1ef1ng \u2013 quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu<\/td>\n\n

                                        TCVN 4447-87<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                        Tuy nhi\u00ean, tu\u1ef3\u00a0 theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea1i th\u1ef1c t\u1ebf thi c\u00f4ng ngo\u00e0i vi\u1ec7c tu\u00e2n th\u1ee7 \u0111\u00fang c\u00e1c ti\u00eau chu\u1ea9n n\u00eau tr\u00ean, trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i theo s\u1ef1 ch\u1ec9 \u0111\u1ea1o c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

                                        Ch\u00fang t\u00f4i s\u1ebd t\u1ed5 ch\u1ee9c t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng m\u1ed9t b\u1ed9 ph\u1eadn th\u00ed nghi\u1ec7m, \u0111\u1ec3 ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng c\u1ee7a m\u00ecnh, thi\u1ebft k\u1ebf c\u00e1c c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng t\u1ed1t nh\u1ea5t, c\u0103n c\u1ee9 theo m\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf\u2026 C\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m tr\u00ean \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1eb1ng v\u0103n b\u1ea3n do c\u00e1c t\u1ed5 ch\u1ee9c c\u00f3 ph\u00e1p nh\u00e2n th\u1ef1c hi\u1ec7n. C\u00f4ng t\u00e1c th\u00ed nghi\u1ec7m bao g\u1ed3m:<\/p>\n

                                        – Th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u: \u0110\u1eafp \u0111\u1ea5t n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 c\u00e1c lo\u1ea1i VLXD ch\u1ee7 y\u1ebfu: c\u00e1t, \u0111\u00e1, xim\u0103ng, s\u1eaft, th\u00e9p, n\u01b0\u1edbc\u2026<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – H\u1ec7 s\u1ed1 \u0111\u1ea7m ch\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng (K).<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – Tr\u1ecdng l\u01b0\u1ee3ng c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – L\u1ea5y m\u1eabu b\u00ea t\u00f4ng xim\u0103ng, th\u00ed nghi\u1ec7m c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a m\u1eabu th\u1eed.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ea9n, l\u1eabn t\u1ea1p ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u trong b\u00ea t\u00f4ng xim\u0103ng.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 – C\u00e1c th\u00ed nghi\u1ec7m c\u1ea7n thi\u1ebft kh\u00e1c theo quy \u0111\u1ecbnh trong c\u00e1c quy tr\u00ecnh ki\u1ec3m tra, nghi\u1ec7m thu hi\u1ec7n h\u00e0nh.<\/p>\n

                                        Ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c s\u1ed1 li\u1ec7u th\u00ed nghi\u1ec7m, c\u00e1c ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u th\u00e0nh h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh tr\u01b0\u1edbc khi chuy\u1ec3n giai \u0111o\u1ea1n thi c\u00f4ng, c\u0169ng nh\u01b0 khi c\u00f3 y\u00eau c\u1ea7u c\u1ee7a c\u00e1c c\u1ea5p c\u00f3 th\u1ea9m quy\u1ec1n. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 nh\u1eefng vi\u1ec7c ki\u1ec3m tra th\u00ed nghi\u1ec7m c\u1ea7n thi\u1ebft khi th\u1ea5y c\u1ea7n thi\u1ebft theo y\u00eau c\u1ea7u c\u1ee7a c\u01a1 quan ch\u1ee9c n\u0103ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cho \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/p>\n

                                        Khi ki\u1ec3m tra l\u1ea1i c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh ho\u1eb7c c\u00e1c nguy\u00ean v\u1eadt li\u1ec7u thi c\u00f4ng c\u00f3 k\u1ebft qu\u1ea3 kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt th\u00ec ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh ngay c\u00f4ng vi\u1ec7c s\u1eeda ch\u1eefa ho\u1eb7c ph\u00e1 d\u1ee1 s\u1ea3n ph\u1ea9m, c\u00e1c nguy\u00ean v\u1eadt li\u1ec7u \u0111\u00f3, \u0111\u1ed3ng th\u1eddi ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh c\u00e1c th\u00ed nghi\u1ec7m c\u00e1c ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a vi\u1ec7c s\u1eeda ch\u1eefa \u0111\u00f3.<\/p>\n

                                        PH\u1ea6N V<\/u><\/p>\n

                                        CH\u01af\u01a0NG 1<\/u><\/p>\n

                                        AN TO\u00c0N THI C\u00d4NG V\u00c0 V\u1ec6 SINH M\u00d4I TR\u01af\u1edcNG<\/strong><\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 I. AN TO\u00c0N THI C\u00d4NG<\/strong><\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. An to\u00e0n v\u00e0 b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng trong s\u1eed d\u1ee5ng m\u00e1y x\u00e2y d\u1ef1ng n\u00f3i chung:<\/em><\/strong><\/p>\n

                                        V\u1ea5n \u0111\u1ec1 an to\u00e0n lao \u0111\u1ed9ng r\u1ea5t quan tr\u1ecdng v\u00e0 l\u00e0 s\u1ef1 quan t\u00e2m \u0111\u1eb7c bi\u1ec7t c\u1ee7a \u0111\u01a1n v\u1ecb trong qu\u00e1 tr\u00ecnh thi c\u00f4ng tr\u00ean c\u00f4ng tr\u01b0\u1eddng. C\u00e1n b\u1ed9 l\u00e0m vi\u1ec7c tr\u00ean c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i\u00a0 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n v\u00e0 b\u1ea3o h\u1ed9 theo \u0111\u00fang quy ph\u1ea1m TCVN 5308- 1991.<\/p>\n

                                        Trong c\u00f4ng t\u00e1c thi c\u00f4ng c\u01a1 gi\u1edbi: C\u00e1c lo\u1ea1i\u00a0 m\u00e1y m\u00f3c thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra an to\u00e0n v\u00e0 c\u00f3 ch\u1ee9ng ch\u1ec9 c\u1ee7a c\u01a1 quan an to\u00e0n lao \u0111\u1ed9ng c\u00f3 th\u1ea9m quy\u1ec1n cho ph\u00e9p. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00e1c m\u00e1y m\u00f3c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ki\u1ec3m tra an to\u00e0n \u0111\u1ecbnh k\u1ef3 th\u01b0\u1eddng xuy\u00ean t\u1ea1i c\u00e1c v\u1ecb tr\u00ed \u0111\u1eb7t m\u00e1y \u0111\u1ec1u c\u00f3 b\u1ea3ng h\u01b0\u1edbng d\u1eabn v\u1ec1 n\u1ed9i quy an to\u00e0n s\u1eed d\u1ee5ng m\u00e1y, c\u00e1c thi\u1ebft b\u1ecb m\u00e1y m\u00f3c chuy\u00ean d\u00f9ng, ph\u1ea3i do c\u00f4ng nh\u00e2n k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o c\u01a1 b\u1ea3n v\u00e0 c\u00f3 ch\u1ee9ng ch\u1ec9 s\u1eed d\u1ee5ng, nghi\u00eam c\u1ea5m c\u00f4ng nh\u00e2n kh\u00f4ng c\u00f3 tr\u00e1ch nhi\u1ec7m s\u1eed d\u1ee5ng m\u00e1y, c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean kh\u00f4ng \u0111\u01b0\u1ee3c u\u1ed1ng r\u01b0\u1ee3u bia \u0111\u00f9a ngh\u1ecbch trong gi\u1edd l\u00e0m vi\u1ec7c. To\u00e0n b\u1ed9 c\u00f4ng nh\u00e2n lao \u0111\u1ed9ng tr\u00ean c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i\u00a0 \u0111\u01b0\u1ee3c h\u1ecdc an to\u00e0n, trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c trang b\u1ecb b\u1ea3o h\u1ed9 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb an to\u00e0n khi l\u00e0m vi\u1ec7c, kh\u00e1m s\u1ee9c kho\u1ebb tr\u01b0\u1edbc khi b\u1ed1 tr\u00ed v\u00e0o c\u00f4ng tr\u01b0\u1eddng lao \u0111\u1ed9ng.<\/p>\n

                                        a. \u0110\u1ed1i v\u1edbi c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nh\u00e2n<\/em><\/strong><\/p>\n

                                        – 100% c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean l\u00e0m vi\u1ec7c trong khu v\u1ef1c thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o c\u01a1 b\u1ea3n v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng v\u00e0 ki\u1ec3m tra tr\u00ecnh \u0111\u1ed9, \u00fd th\u1ee9c gi\u1eef g\u00ecn an to\u00e0n lao \u0111\u1ed9ng cho\u00a0 m\u00ecnh v\u00e0 khu v\u1ef1c xung quanh c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                        – 100% m\u00e1y m\u00f3c, ph\u01b0\u01a1ng ti\u1ec7n, thi\u1ebft b\u1ecb thi c\u00f4ng \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng \u0111\u1ec1u ph\u1ea3i\u00a0 ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o an to\u00e0n thi\u1ebft b\u1ecb (c\u00f3 ch\u1ee9ng ch\u1ec9 \u0111\u0103ng ki\u1ec3m).<\/p>\n

                                        – 100% c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra s\u1ee9c kho\u1ebb tay ngh\u1ec1 \u0111\u1ec3 ph\u00e2n c\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1eebng lo\u1ea1i c\u00f4ng vi\u1ec7c. Nh\u1eefng ng\u01b0\u1eddi ch\u01b0a qua \u0111\u00e0o t\u1ea1o s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c thi\u1ebft b\u1ecb, y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n.<\/p>\n

                                        – Tr\u01b0\u1edbc khi thi c\u00f4ng c\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng vi\u1ec7c ph\u1ea3i\u00a0 cho c\u00f4ng nh\u00e2n h\u1ecdc t\u1eadp v\u1ec1 thao t\u00e1c an to\u00e0n \u0111\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c \u0111\u00f3 (h\u1ecdc vi\u00ean ph\u1ea3i k\u00fd nh\u1eadn v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c k\u00fd thay).<\/p>\n

                                        – T\u1ed5 ch\u1ee9c an to\u00e0n cho t\u1eebng c\u00f4ng t\u00e1c, b\u1ed9 ph\u1eadn v\u00e0 ph\u1ed5 bi\u1ebfn an to\u00e0n cho c\u00e1c c\u00f4ng t\u00e1c \u0111\u00f3 theo quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng c\u1ee7a Nh\u00e0 n\u01b0\u1edbc.<\/p>\n

                                        + An to\u00e0n trong di chuy\u1ec3n, \u0111i\u00a0 l\u1ea1i, v\u1eadn chuy\u1ec3n ngang.<\/p>\n

                                        + An to\u00e0n v\u1eadn chuy\u1ec3n l\u00ean cao.<\/p>\n

                                        + An to\u00e0n thi c\u00f4ng tr\u00ean cao, thi c\u00f4ng l\u1eafp gh\u00e9p v\u00e0 thi c\u00f4ng nhi\u1ec1u t\u1ea7ng nhi\u1ec1u l\u1edbp v\u1edbi c\u00f4ng t\u00e1c c\u1ee5 th\u1ec3.<\/p>\n

                                        + An to\u00e0n \u0111i\u1ec7n, m\u00e1y.<\/p>\n

                                        – Gi\u1edbi h\u1ea1n ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c khu v\u1ef1c l\u00e0m vi\u1ec7c l\u00e0m vi\u1ec7c c\u1ee7a c\u00f4ng nh\u00e2n c\u1ee7a t\u1ed5 s\u1ea3n xu\u1ea5t, ph\u1ea3i c\u00f3 bi\u1ec3n b\u00e1o. C\u1ea5m nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng nhi\u1ec7m v\u1ee5 v\u00e0o khu v\u1ef1c \u0111ang \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n

                                        Kho b\u00e3i nh\u00e0 x\u01b0\u1edfng ph\u1ea3i b\u1ed1 tr\u00ed h\u1ee3p l\u00fd, ch\u00fa \u00fd \u0111\u1ebfn k\u1ef9 thu\u1eadt an to\u00e0n ph\u00f2ng ch\u00e1y.<\/p>\n

                                        – Sau khi th\u00e1o d\u1ee1 c\u00e1c k\u1ebft c\u1ea5u ph\u1ee5 b\u1eb1ng g\u1ed7 nh\u01b0 v\u00e1n khu\u00f4n, \u0111\u00e0 gi\u00e1o th\u00ec c\u00e1c c\u1ed9t ch\u1ed1ng v\u00e1n g\u1ed7 x\u00e0 g\u1ed3 ph\u1ea3i\u00a0 \u0111\u01b0\u1ee3c nh\u1ed5 s\u1ea1ch \u0111inh x\u1ebfp th\u00e0nh \u0111\u1ed1ng g\u1ecdn theo t\u1eebng ch\u1ee7ng lo\u1ea1i, kh\u00f4ng v\u1ee9t b\u1eeba b\u00e3i.<\/p>\n

                                        – \u0110\u1ed1i v\u1edbi gi\u00e0n gi\u00e1o khi l\u1eafp d\u1ef1ng xong, c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt ph\u1ea3i\u00a0 ti\u1ebfn h\u00e0nh ki\u1ec3m tra tr\u01b0\u1edbc khi cho s\u1eed d\u1ee5ng. Nh\u1eefng ng\u01b0\u1eddi b\u1ecb b\u1ec7nh tim, huy\u1ebft \u00e1p cao kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed l\u00e0m vi\u1ec7c \u1edf tr\u00ean cao.<\/p>\n

                                        – C\u00f4ng nh\u00e2n l\u00e0m vi\u1ec7c tr\u00ean gi\u00e0n gi\u00e1o ph\u1ea3i\u00a0 \u0111eo d\u00e2y an to\u00e0n, \u0111\u1ed9i m\u0169 c\u1ee9ng kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng lo\u1ea1i d\u00e9p kh\u00f4ng c\u00f3 quai h\u1eadu, \u0111\u1ebf tr\u01a1n. Kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea1y nh\u1ea3y c\u01b0\u1eddi \u0111\u00f9a, kh\u00f4ng \u0111\u01b0\u1ee3c ng\u1ed3i tr\u00ean th\u00e0nh lan can, kh\u00f4ng leo ra b\u00ean ngo\u00e0i lan can.<\/p>\n

                                        – Khi c\u00f3 m\u01b0a to gi\u00f3 l\u1edbn h\u01a1n c\u1ea5p 6, s\u01b0\u01a1ng m\u00f9 d\u1ea7y \u0111\u1eb7c th\u00ec kh\u00f4ng l\u00e0m vi\u1ec7c tr\u00ean gi\u00e0n gi\u00e1o. Ph\u1ea3i ki\u1ec3m tra d\u00e0n gi\u00e1o tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng l\u1ea1i.<\/p>\n

                                        b. \u0110\u1ed1i v\u1edbi c\u00f4ng nh\u00e2n\u00a0 thi c\u00f4ng tr\u00ean c\u00f4ng tr\u01b0\u1eddng<\/em><\/strong><\/p>\n

                                        – Tuy\u1ec7t \u0111\u1ed1i tu\u00e2n th\u1ee7 v\u1ec1 quy tr\u00ecnh an to\u00e0n lao \u0111\u1ed9ng. Kh\u00f4ng \u0111i l\u1ea1i v\u00e0o nh\u1eefng n\u01a1i ngo\u00e0i ph\u1ea1m vi thi c\u00f4ng c\u1ee7a m\u00ecnh.<\/p>\n

                                        – Ch\u1ec9 l\u00e0m nh\u1eefng vi\u1ec7c \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n c\u00f4ng.<\/p>\n

                                        – Th\u00f9ng x\u00f4 \u0111\u1ef1ng c\u0169ng nh\u01b0 c\u00e1c d\u1ee5ng c\u1ee5 \u0111\u1ed3 ngh\u1ec1 kh\u00e1c ph\u1ea3i\u00a0 \u0111\u1ec3 \u1edf v\u1ecb tr\u00ed ch\u1eafc ch\u1eafn \u0111\u1ec3 tr\u00e1nh r\u01a1i, tr\u01b0\u1ee3t, \u0111\u1ed5.<\/p>\n

                                        – Khi ng\u1eebng l\u00e0m vi\u1ec7c ph\u1ea3i thu d\u1ecdn v\u1eadt li\u1ec7u \u0111\u1ed3 ngh\u1ec1 v\u00e0o m\u1ed9t ch\u1ed7.<\/p>\n

                                        – Sau m\u1ed7i ca ph\u1ea3i\u00a0 r\u1eeda s\u1ea1ch \u0111\u1ed9 b\u00e1m d\u00ednh v\u00e0o c\u00e1c d\u1ee5ng c\u1ee5 \u0111\u1ed3 ngh\u1ec1.<\/p>\n

                                        c. \u0110\u1ed1i v\u1edbi vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n v\u1eadn h\u00e0nh m\u00e1y m\u00f3c, thi\u1ebft b\u1ecb<\/em><\/strong><\/p>\n

                                        – Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thi c\u00f4ng ph\u1ea3i\u00a0 ki\u1ec3m tra l\u1ea1i to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng an to\u00e0n c\u1ee7a xe, m\u00e1y, thi\u1ebft b\u1ecb, d\u00e0n gi\u00e1o v\u00e0 trang b\u1ecb ph\u00f2ng h\u1ed9 lao \u0111\u1ed9ng, \u0111\u1ea3m b\u1ea3o an to\u00e0n m\u1edbi t\u1ed5 ch\u1ee9c thi c\u00f4ng. Khi thi c\u00f4ng v\u1ec1 ban \u0111\u00eam ph\u1ea3i\u00a0 \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 \u00e1nh s\u00e1ng.<\/p>\n

                                        – \u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng nh\u00e2n x\u00e2y d\u1ef1ng kh\u00f4ng chuy\u00ean v\u1ec1 \u0111i\u1ec7n ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn \u0111\u1ec3 c\u00f3 m\u1ed9t s\u1ed1 ki\u1ebfn th\u1ee9c v\u00e0 hi\u1ec3u bi\u1ebft an to\u00e0n v\u1ec1 \u0111i\u1ec7n.<\/p>\n

                                        – N\u01a1i c\u00f3 bi\u1ec3n b\u00e1o nguy hi\u1ec3m n\u1ebfu c\u00f3 vi\u1ec7c c\u1ea7n ph\u1ea3i tu\u00e2n theo s\u1ef1 h\u01b0\u1edbng d\u1eabn c\u1ee7a ng\u01b0\u1eddi c\u00f3 tr\u00e1ch nhi\u1ec7m.<\/p>\n

                                        – Th\u1ee3 v\u1eadn h\u00e0nh m\u00e1y thi c\u00f4ng d\u00f9ng \u0111i\u1ec7n t\u1ea1i c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i\u00a0 \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o v\u00e0 c\u00f3 ki\u1ec3m tra, kh\u00f4ng m\u1eafc c\u00e1c b\u1ec7nh tim, ph\u1ed5i, th\u1ea7n kinh, tai m\u1eaft.<\/p>\n

                                        – Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00f4ng tr\u00ecnh ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c c\u1ea7n \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn \u0111\u1ea7y \u0111\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n theo lu\u1eadt hi\u1ec7n h\u00e0nh.<\/p>\n

                                        * \u0110\u1ed1i v\u1edbi m\u00e1y tr\u1ed9n:<\/em><\/p>\n

                                        Ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c giao nhi\u1ec7m v\u1ee5 m\u1edbi \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh m\u00e1y tr\u1ed9n. Khi v\u1eadn h\u00e0nh ph\u1ea3i\u00a0 ch\u00fa \u00fd nh\u1eefng \u0111i\u1ec1u sau \u0111\u00e2y:<\/p>\n

                                        + Ki\u1ec3m tra s\u1ef1 \u0111\u1ee9ng v\u1eefng v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a m\u00e1y tr\u1ed9n.<\/p>\n

                                        + Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n l\u01b0\u1edbi v\u00e0 c\u1ea7u dao m\u00f4 t\u01a1, ti\u1ebfp \u0111\u1ea5t.<\/p>\n

                                        + Ki\u1ec3m tra s\u1ef1 \u0103n kh\u1edbp c\u1ee7a c\u00e1c b\u00e1nh r\u0103ng, t\u1ea3i x\u00edch, b\u00f4i tr\u01a1n c\u00e1c \u1ed5 l\u0103n, \u0111\u1ed9 an to\u00e0n c\u1ee7a phanh, t\u1eddi, c\u00e1p.<\/p>\n

                                        + V\u1eadn h\u00e0nh th\u1eed kh\u00f4ng t\u1ea3i.<\/p>\n

                                        + Khi m\u00e1y ng\u1eebng l\u00e0m vi\u1ec7c ho\u1eb7c ch\u1edd s\u1eeda ch\u1eefa ph\u1ea3i\u00a0 l\u00e0m v\u1ec7 sinh n\u1ed3i tr\u1ed9n s\u1ea1ch s\u1ebd.<\/p>\n

                                        + Tr\u01b0\u1edbc khi ngh\u1ec9 ph\u1ea3i\u00a0 c\u1eaft \u0111i\u1ec7n kh\u1ecfi m\u00e1y v\u00e0 h\u1ea1 th\u00f9ng c\u1ea5p li\u1ec7u xu\u1ed1ng v\u1ecb tr\u00ed an to\u00e0n.<\/p>\n

                                        * \u0110\u1ed1i v\u1edbi m\u00e1y \u0111\u1ea7m:<\/em><\/p>\n

                                        Ch\u1ec9 nh\u1eefng ng\u01b0\u1eddi \u0111\u01b0\u1ee3c giao nhi\u1ec7m v\u1ee5 m\u1edbi v\u1eadn h\u00e0nh m\u00e1y \u0111\u1ea7m b\u00ea t\u00f4ng. Khi v\u1eadn h\u00e0nh ph\u1ea3i\u00a0 ch\u00fa \u00fd nh\u1eefng \u0111i\u1ec1u sau \u0111\u00e2y:<\/p>\n

                                        + Ki\u1ec3m tra \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n \u0111\u1ea5u t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n \u0111\u1ebfn m\u00e1y.<\/p>\n

                                        + \u0110\u00f3ng c\u1ea7u dao xong m\u1edbi \u0111\u01b0\u1ee3c m\u1edf m\u00e1y, th\u1ea5y m\u00e1y rung l\u00e0m vi\u1ec7c \u1ed5n \u0111\u1ecbnh m\u1edbi \u0111\u01b0a ch\u00e0y v\u00e0o b\u00ea t\u00f4ng.<\/p>\n

                                        + Kh\u00f4ng \u0111\u1ec3 ch\u00e0y rung ng\u1eadp s\u00e2u qu\u00e1 trong b\u00ea t\u00f4ng 3\/4 chi\u1ec1u d\u00e0i c\u1ee7a ch\u00e0y.<\/p>\n

                                        + Khi \u0111\u1ed9ng c\u01a1 ng\u1eebng l\u00e0m vi\u1ec7c ph\u1ea3i r\u00fat ngay \u0111\u1ea7u ch\u00e0y ra kh\u1ecfi b\u00ea t\u00f4ng.<\/p>\n

                                        + Kh\u00f4ng \u0111\u1ec3 v\u1eadt n\u1eb7ng \u0111\u00e8 l\u00ean v\u00f2i d\u1ea7m, b\u00e1n k\u00ednh cong c\u1ee7a v\u00f2i d\u1ea7m kh\u00f4ng nh\u1ecf h\u01a1n 40cm v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c u\u1ed1n cong nhi\u1ec1u \u0111o\u1ea1n.<\/p>\n

                                        + C\u00f4ng nh\u00e2n v\u1eadn h\u00e0nh ch\u1ec9 \u0111\u01b0\u1ee3c th\u00e1o l\u1eafp ph\u1ea7n ch\u00e0y rung b\u1eb1ng d\u1ee5ng c\u1ee5 chuy\u00ean d\u00f9ng (tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c th\u00e1o m\u00f4 t\u01a1) kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 n\u01b0\u1edbc l\u1ecdt v\u00e0o trong ch\u00e0y v\u00e0 ru\u1ed9t \u0111\u1ea7m.<\/p>\n

                                        + Khi ch\u00e0y b\u1ecb k\u1eb9t ho\u1eb7c m\u00f4 t\u01a1 kh\u00f4ng quay ph\u1ea3i c\u1eaft \u0111\u1ea7m kh\u1ecfi \u0111\u1ed9ng c\u01a1 ngay v\u00e0 b\u00e1o c\u00e1o th\u1ee3 ki\u1ec3m tra s\u1eeda ch\u1eefa.<\/p>\n

                                        An to\u00e0n lao \u0111\u1ed9ng ph\u1ea3i \u0111\u01b0\u1ee3c ch\u00fa \u00fd \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c kh\u00e2u t\u1eeb \u0111i\u1ec1u h\u00e0nh ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng t\u1ed5 ch\u1ee9c thi c\u00f4ng \u0111\u1ebfn \u0111i\u1ec1u h\u00e0nh ch\u0103m s\u00f3c v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u00e1y .<\/p>\n

                                        Th\u01b0\u1eddng xuy\u00ean gi\u00e1o d\u1ee5c, nh\u1eafc nh\u1edf c\u00f4ng nh\u00e2n \u0111i\u1ec1u khi\u1ec3n m\u00e1y tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t nh\u1eefng quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng chung nh\u01b0 sau:<\/p>\n

                                        – T\u1ea5t c\u1ea3 c\u00e1c m\u00e1y m\u00f3c tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng \u0111\u1ec1u ph\u1ea3i ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng t\u00ecnh tr\u1ea1ng k\u1ef9 thu\u1eadt c\u1ee7a m\u00e1y, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c c\u01a1 c\u1ea5u an to\u00e0n nh\u01b0: phanh, c\u01a1 c\u1ea5u t\u1ef1 h\u00e3m, c\u01a1 c\u1ea5u h\u1ea1n ch\u1ebf h\u00e0nh tr\u00ecnh v.v… N\u1ebfu c\u00f3 h\u1ecfng h\u00f3c ph\u1ea3i k\u1ecbp th\u1eddi s\u1eeda ch\u1eefa ngay m\u1edbi \u0111\u01b0\u1ee3c \u0111\u01b0a m\u00e1y ra s\u1eed d\u1ee5ng ngo\u00e0i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                        – Ch\u1ec9 cho ph\u00e9p nh\u1eefng c\u00f4ng nh\u00e2n \u0111\u01b0\u1ee3c qua tr\u01b0\u1eddng l\u1edbp \u0111\u00e0o t\u1ea1o v\u00e0 c\u00f3 \u0111\u1ee7 gi\u1ea5y ch\u1ee9ng nh\u1eadn, b\u1eb1ng l\u00e1i,\u00a0 c\u1ea5p th\u1ee3, hi\u1ec3u bi\u1ebft t\u01b0\u01a1ng \u0111\u1ed1i v\u1ec1 k\u1ef9 n\u0103ng , c\u1ea5u t\u1ea1o m\u00e1y \u0111\u01b0\u1ee3c ph\u00e9p l\u00e1i m\u00e1y.<\/p>\n

                                        – C\u00f4ng nh\u00e2n l\u00e1i m\u00e1y v\u00e0 ph\u1ee5 l\u00e1i ph\u1ea3i mang \u0111\u1ea7y \u0111\u1ee7 c\u00e1c trang b\u1ecb b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng quy \u0111\u1ecbnh cho t\u1eebng ngh\u1ec1 t\u1eebng ma\u00fd nh\u01b0 k\u00ednh, m\u0169, qu\u1ea7n \u00e1o, g\u0103ng tay, \u1ee7ng v\u00e0 c\u00e1c d\u1ee5ng c\u1ee5 an to\u00e0n kh\u00e1c khi thi c\u00f4ng.<\/p>\n

                                        – T\u1ea5t c\u1ea3 c\u00e1c chuy\u1ec3n \u0111\u1ed9ng kh\u00e1c c\u1ee7a m\u00e1y nh\u01b0 tr\u1ee5c quay, x\u00edch, \u0111ai, ly h\u1ee3p, v.v c\u1ea7n \u0111\u01b0\u1ee3c che ch\u1eafn c\u1ea9n th\u1eadn \u1edf nh\u1eefng v\u1ecb tr\u00ed c\u00f3 th\u1ec3 g\u00e2y tai n\u1ea1n cho ng\u01b0\u1eddi.<\/p>\n

                                        – Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra, l\u00e0m v\u1ec7 sinh m\u00e1y, tra d\u1ea7u m\u1ee1, \u0111i\u1ec1u ch\u1ec9nh s\u1eeda ch\u1eefa nh\u1ecf c\u00e1c b\u1ed9 ph\u1eadn, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn an to\u00e0n , lo\u1ea1i tr\u1eeb c\u00e1c kh\u1ea3 n\u0103ng l\u00e0m h\u1ecfng h\u00f3c m\u00e1y.<\/p>\n

                                        – Ph\u1ea3i l\u00e1i m\u00e1y v\u00e0 ti\u1ebfn h\u00e0nh thao t\u00e1c theo \u0111\u00fang tuy\u1ebfn thi c\u00f4ng, tr\u00ecnh t\u1ef1 thi c\u00f4ng c\u00f4ng tr\u00ecnh v\u00e0 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 k\u1ef9 thu\u1eadt an to\u00e0n kh\u00e1c do c\u00e1c k\u1ef9 s\u01b0 thi c\u00f4ng v\u00e0 an to\u00e0n lao \u0111\u1ed9ng \u0111\u1ec1 ra.<\/p>\n

                                        – Trong th\u1eddi gian ngh\u1ec9, c\u1ea7n lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng t\u1ef1 \u0111\u1ed9ng m\u1edf m\u00e1y. C\u1ea7n kho\u00e1 h\u00e3m b\u1ed9 ph\u1eadn kh\u1edfi \u0111\u1ed9ng. \u0110\u1ec3 m\u00e1y \u0111\u1ee9ng \u1edf n\u01a1i an to\u00e0n, c\u1ea7n thi\u1ebft ph\u1ea3i, k\u00ea ch\u00e8n b\u00e1nh \u0111\u1ec3 m\u00e1y kh\u1ecfi tr\u00f4i v\u00e0 nghi\u00eang \u0111\u1ed5.<\/p>\n

                                        – C\u00e1c m\u00e1y c\u1ed1 \u0111\u1ecbnh c\u1ea7n l\u1eafp \u0111\u1eb7t ch\u1eafc ch\u1eafn, tin c\u1eady tr\u00ean b\u1ec7 m\u00e1y v\u00e0 m\u1eb7t b\u1eb1ng n\u01a1i m\u00e1y \u0111\u1ee9ng. Ch\u1ed7 m\u00e1y \u0111\u1ee9ng ph\u1ea3i kh\u00f4 r\u00e1o s\u1ea1ch s\u1ebd kh\u00f4ng tr\u01a1n \u01b0\u1edbt g\u00e2y tai n\u1ea1n lao \u0111\u1ed9ng.<\/p>\n

                                        – C\u00e1c m\u00e1y khi di chuy\u1ec3n, l\u00e0m vi\u1ec7c ban \u0111\u00eam ho\u1eb7c th\u1eddi ti\u1ebft x\u1ea5u c\u00f3 s\u01b0\u01a1ng m\u00f9, m\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng chung nh\u01b0ng v\u1eabn c\u00f3 h\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng ri\u00eang tr\u01b0\u1edbc v\u00e0 sau m\u00e1y b\u1eb1ng \u0111\u00e8n pha v\u00e0 \u0111\u00e8n t\u00edn hi\u1ec7u.<\/p>\n

                                        \u0110\u1ed1i v\u1edbi c\u00e1n b\u1ed9 ph\u1ee5 tr\u00e1ch qu\u1ea3n l\u00fd xe m\u00e1y, t\u1ed5 ch\u1ee9c vi\u1ec7c s\u1eed d\u1ee5ng xe m\u00e1y ph\u1ea3i tu\u00e2n th\u1ee7 nh\u1eefng quy \u0111\u1ecbnh sau:<\/em><\/p>\n

                                        – Khi l\u00e0m vi\u1ec7c t\u1ea5t c\u1ea3 xe m\u00e1y v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n \u0111em s\u1eed d\u1ee5ng ph\u1ea3i t\u1ed1t v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 t\u00ecnh tr\u1ea1ng k\u1ef9 thu\u1eadt tr\u01b0\u1edbc khi \u0111em s\u1eed d\u1ee5ng.<\/p>\n

                                        – Khi t\u1ed5 ch\u1ee9c thi c\u00f4ng ph\u1ea3i chu\u1ea9n b\u1ecb n\u01a1i thi c\u00f4ng sao cho \u0111\u1ea3m b\u1ea3o an to\u00e0n khi l\u00e0m vi\u1ec7c. T\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c n\u01a1i nguy hi\u1ec3m tr\u00ean c\u00f4ng tr\u01b0\u1eddng ph\u1ea3i c\u00f3 bi\u1ec3n b\u00e1o ph\u00f2ng ng\u1eeba. M\u1ecdi n\u01a1i l\u00e0m vi\u1ec7c ph\u1ea3i \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb sao cho c\u00f4ng nh\u00e2n l\u00e0m vi\u1ec7c kh\u00f4ng b\u1ecb \u0111e do\u1ea1 nguy hi\u1ec3m v\u00ec c\u00e1c b\u1ed9 ph\u1eadn di \u0111\u1ed9ng c\u1ee7a m\u00e1y, c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 t\u1eeb nh\u1eefng m\u00e1y kh\u00e1c c\u00f9ng tham gia l\u00e0m vi\u1ec7c. Ch\u1ed7 ng\u1ed3i c\u1ee7a th\u1ee3 l\u00e1i ho\u1eb7c ch\u1ed7 l\u00e0m vi\u1ec7c ph\u1ea3i thu\u1eadn ti\u1ec7n, \u1ed5n \u0111\u1ecbnh, d\u1ec5 quan s\u00e1t, kh\u00f4ng b\u1ecb m\u01b0a n\u1eafng, \u0111\u1ee7 \u00e1nh s\u00e1ng v\u00e0 c\u00f3 h\u1ec7 th\u1ed1ng g\u1ea1t n\u01b0\u1edbc. N\u01a1i l\u00e0m vi\u1ec7c ph\u1ea3i \u0111\u01b0\u1ee3c che ch\u1eafn, \u0111\u1ee7 r\u1ed9ng v\u00e0 c\u00f3 lan can.<\/p>\n

                                        – Tr\u01b0\u1edbc khi \u0111\u01b0a m\u00e1y v\u00e0o l\u00e0m vi\u1ec7c, c\u1ea7n x\u00e1c \u0111\u1ecbnh s\u01a1 \u0111\u1ed3 di chuy\u1ec3n, n\u01a1i \u0111\u1ed7, v\u1ecb tr\u00ed v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u0111\u1ea5t \u0111\u1ed1i v\u1edbi m\u00e1y \u0111i\u1ec7n, quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p th\u00f4ng b\u00e1o b\u1eb1ng t\u00edn hi\u1ec7u gi\u1eefa th\u1ee3 l\u00e1i v\u00e0 c\u00f4ng nh\u00e2n b\u00e1o t\u00edn hi\u1ec7u. \u00dd ngh\u0129a c\u1ee7a c\u00e1c t\u00edn hi\u1ec7u trong khi l\u00e0m vi\u1ec7c ph\u1ea3i \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o cho t\u1ea5t c\u1ea3 m\u1ecdi ng\u01b0\u1eddi c\u00f3 li\u00ean quan t\u1edbi c\u00f4ng vi\u1ec7c c\u1ee7a m\u00e1y.<\/p>\n

                                        – D\u1ecbch chuy\u1ec3n m\u00e1y, \u0111\u1ed7 v\u00e0 l\u00e0m vi\u1ec7c g\u1ea7n h\u1ed1 m\u00f3ng, r\u00e3nh, m\u01b0\u01a1ng c\u00f3 m\u00e1i d\u1ed1c kh\u00f4ng ch\u1eafc ch\u1eafn, ph\u1ea3i n\u1eb1m trong gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch cho ph\u00e9p.<\/p>\n

                                        – Ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1ea3o d\u01b0\u1ee1ng k\u1ef9 thu\u1eadt khi \u0111\u1ed9ng c\u01a1 \u0111\u00e3 ng\u1eebng h\u1eb3n.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. An to\u00e0n v\u00e0 b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng v\u1edbi lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng n\u00f3i chung<\/em><\/strong><\/p>\n

                                        – C\u00e1c th\u1ee3 th\u1ee7 c\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng trong khi thi c\u00f4ng b\u1eb1ng m\u00e1y, b\u1eb1ng th\u1ee7 c\u00f4ng, khi thi c\u00f4ng tr\u00ean cao v\u00e0 d\u01b0\u1edbi s\u00e2u v.v \u0111\u1ea3m b\u1ea3o th\u1ee3 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb thi c\u00f4ng \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i.<\/p>\n

                                        – Trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c trang thi\u1ebft b\u1ecb ph\u00f2ng h\u1ed9 v\u00e0 d\u1ee5ng c\u1ee5 lao \u0111\u1ed9ng \u0111\u1ec3 c\u00f4ng nh\u00e2n thi c\u00f4ng.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3. C\u00f4ng t\u00e1c an to\u00e0n c\u1ee5 th\u1ec3 cho t\u1eebng h\u1ea1ng m\u1ee5c c\u00f4ng vi\u1ec7c<\/em><\/strong><\/p>\n

                                        \u00b7\u00a0\u00a0\u00a0\u00a0 An to\u00e0n lao \u0111\u1ed9ng trong thi c\u00f4ng \u0111\u00e0o \u0111\u1ea5t:<\/em><\/strong><\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u00e0o \u0111\u1ea5t b\u1eb1ng m\u00e1y \u0111\u00e0o:<\/em><\/strong><\/p>\n

                                        – Trong th\u1eddi gian m\u00e1y ho\u1ea1t \u0111\u1ed9ng, c\u1ea5m m\u1ecdi ng\u01b0\u1eddi \u0111i l\u1ea1i tr\u00ean m\u00e1i d\u1ed1c t\u1ef1 nhi\u00ean, c\u0169ng nh\u01b0 trong ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y khu v\u1ef1c n\u00e0y ph\u1ea3i c\u00f3 bi\u1ec3n b\u00e1o.<\/p>\n

                                        – Khi v\u1eadn h\u00e0nh m\u00e1y ph\u1ea3i ki\u1ec3m tra t\u00ecnh tr\u1ea1ng m\u00e1y, v\u1ecb tr\u00ed \u0111\u1eb7t m\u00e1y, thi\u1ebft b\u1ecb an to\u00e0n phanh h\u00e3m, t\u00edn hi\u1ec7u, \u00e2m thanh, cho m\u00e1y ch\u1ea1y th\u1eed kh\u00f4ng t\u1ea3i.<\/p>\n

                                        – Kh\u00f4ng \u0111\u01b0\u1ee3c thay \u0111\u1ed5i \u0111\u1ed9 nghi\u00eang c\u1ee7a m\u00e1y khi g\u1ea7u x\u00fac \u0111ang mang t\u1ea3i hay \u0111ang quay g\u1ea7u. C\u1ea5m h\u00e3m phanh \u0111\u1ed9t ng\u1ed9t.<\/p>\n

                                        – Trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p kho\u1ea3ng c\u00e1ch gi\u1eefa m\u00e9p ngo\u00e0i c\u1ee7a l\u1ed1p b\u00e1nh xe thi\u1ebft b\u1ecb v\u00e0 th\u00e0nh h\u1ed1 \u0111\u00e0o ph\u1ea3i >1m.<\/p>\n

                                        – Khi m\u00e1y x\u00fac \u0111\u1ed5 \u0111\u1ea5t v\u00e0o th\u00f9ng xe \u00f4 t\u00f4, g\u1ea7u x\u00fac ph\u1ea3i quay qua ph\u00eda sau th\u00f9ng xe v\u00e0 d\u1eebng g\u1ea7u \u1edf gi\u1eefa th\u00f9ng xe. Sau \u0111\u00f3 h\u1ea1 g\u1ea7u t\u1eeb t\u1eeb xu\u1ed1ng \u0111\u1ec3 \u0111\u1ed5 \u0111\u1ea5t.<\/p>\n

                                        \u0110\u00e0o \u0111\u1ea5t b\u1eb1ng th\u1ee7 c\u00f4ng:<\/em><\/strong><\/p>\n

                                        – Ph\u1ea3i trang b\u1ecb \u0111\u1ee7 d\u1ee5ng c\u1ee5 lao \u0111\u1ed9ng cho c\u00f4ng nh\u00e2n theo ch\u1ebf \u0111\u1ed9 hi\u1ec7n h\u00e0nh.<\/p>\n

                                        – \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng sau m\u1ed7i tr\u1eadn m\u01b0a ph\u1ea3i r\u1eafc c\u00e1t v\u00e0o b\u1eadc l\u00ean xu\u1ed1ng tr\u00e1nh tr\u01b0\u1ee3t, ng\u00e3.<\/p>\n

                                        – Trong khu v\u1ef1c \u0111ang \u0111\u00e0o \u0111\u1ea5t n\u00ean c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi c\u00f9ng l\u00e0m vi\u1ec7c ph\u1ea3i b\u1ed1 tr\u00ed kho\u1ea3ng c\u00e1ch gi\u1eefa ng\u01b0\u1eddi n\u00e0y v\u00e0 ng\u01b0\u1eddi kia \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n

                                        – C\u1ea5m b\u1ed1 tr\u00ed ng\u01b0\u1eddi l\u00e0m vi\u1ec7c tr\u00ean mi\u1ec7ng h\u1ed1 \u0111\u00e0o trong khi \u0111ang c\u00f3 ng\u01b0\u1eddi l\u00e0m vi\u1ec7c \u1edf b\u00ean d\u01b0\u1edbi h\u1ed1 \u0111\u00e0o c\u00f9ng 1 khoang m\u00e0 \u0111\u1ea5t c\u00f3 th\u1ec3 r\u01a1i, l\u1edf xu\u1ed1ng ng\u01b0\u1eddi \u1edf b\u00ean d\u01b0\u1edbi.<\/p>\n

                                        \u00b7\u00a0\u00a0\u00a0\u00a0 \u00a0An to\u00e0n lao \u0111\u1ed9ng trong c\u00f4ng t\u00e1c b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 D\u1ef1ng l\u1eafp, th\u00e1o d\u1ee1 d\u00e0n gi\u00e1o:<\/em><\/strong><\/p>\n

                                        – Kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng d\u00e0n gi\u00e1o c\u00f3 bi\u1ebfn d\u1ea1ng, r\u1ea1n n\u1ee9t, m\u00f2n g\u1ec9 ho\u1eb7c thi\u1ebfu c\u00e1c b\u1ed9 ph\u1eadn: m\u00f3c neo, gi\u1eb1ng\u2026<\/p>\n

                                        – C\u00e1c c\u1ed9t gi\u00e0n gi\u00e1o ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean v\u1eadt k\u00ea \u1ed5n \u0111\u1ecbnh.<\/p>\n

                                        – C\u1ea5m x\u1ebfp t\u1ea3i l\u00ean gi\u00e0n gi\u00e1o, n\u01a1i ngo\u00e0i nh\u1eefng v\u1ecb tr\u00ed \u0111\u00e3 quy \u0111\u1ecbnh.<\/p>\n

                                        – Khi d\u00e0n gi\u00e1o cao h\u01a1n 3m ph\u1ea3i l\u00e0m c\u00f4ng t\u00e1c.<\/p>\n

                                        – Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u c\u1ee7a d\u00e0n gi\u00e1o, gi\u00e1 \u0111\u1ee1, \u0111\u1ec3 k\u1ecbp th\u1eddi ph\u00e1t hi\u1ec7n t\u00ecnh tr\u1ea1ng h\u01b0 h\u1ecfng c\u1ee7a d\u00e0n gi\u00e1o \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p s\u1eeda ch\u1eefa k\u1ecbp th\u1eddi.<\/p>\n

                                        – Khi th\u00e1o d\u1ee1 d\u00e0n gi\u00e1o ph\u1ea3i c\u00f3 r\u00e0o ng\u0103n, bi\u1ec3n c\u1ea5m ng\u01b0\u1eddi qua l\u1ea1i. C\u1ea5m th\u00e1o d\u1ee1 d\u00e0n gi\u00e1o b\u1eb1ng c\u00e1ch gi\u1eadt \u0111\u1ed5.<\/p>\n

                                        – Kh\u00f4ng d\u1ef1ng l\u1eafp, th\u00e1o d\u1ee1 ho\u1eb7c l\u00e0m vi\u1ec7c tr\u00ean d\u00e0n gi\u00e1o v\u00e0 khi tr\u1eddi m\u01b0a to, gi\u00f4ng b\u00e3o ho\u1eb7c gi\u00f3 c\u1ea5p 5 tr\u1edf l\u00ean.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00f4ng t\u00e1c gia c\u00f4ng, l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n: <\/em><\/strong><\/p>\n

                                        – V\u00e1n khu\u00f4n d\u00f9ng \u0111\u1ec3 \u0111\u1ee1 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u00e0 l\u1eafp d\u1ef1ng theo \u0111\u00fang y\u00eau c\u1ea7u trong thi\u1ebft k\u1ebf thi c\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t.<\/p>\n

                                        – V\u00e1n khu\u00f4n gh\u00e9p th\u00e0nh kh\u1ed1i l\u1edbn ph\u1ea3i \u0111\u1ea3m b\u1ea3o v\u1eefng ch\u1eafc khi c\u1ea9u l\u1eafp v\u00e0 khi c\u1ea9u l\u1eafp ph\u1ea3i tr\u00e1nh va ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 k\u1ebft c\u1ea5u \u0111\u00e3 l\u1eafp tr\u01b0\u1edbc.<\/p>\n

                                        – Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 tr\u00ean v\u00e1n khu\u00f4n nh\u1eefng thi\u1ebft b\u1ecb v\u1eadt li\u1ec7u kh\u00f4ng c\u00f3 trong thi\u1ebft k\u1ebf, k\u1ec3 c\u1ea3 kh\u00f4ng cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng tr\u1ef1c ti\u1ebfp tham gia v\u00e0o vi\u1ec7c \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u1ee9ng tr\u00ean v\u00e1n khu\u00f4n.<\/p>\n

                                        – Tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt thi c\u00f4ng ph\u1ea3i ki\u1ec3m tra v\u00e1n khu\u00f4n, n\u00ean c\u00f3 h\u01b0 h\u1ecfng ph\u1ea3i s\u1eeda ch\u1eefa ngay. Khu v\u1ef1c s\u1eeda ch\u1eefa ph\u1ea3i c\u00f3 r\u00e0o ng\u0103n, bi\u1ec3n b\u00e1o.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u00f4ng t\u00e1c gia c\u00f4ng l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p:<\/em><\/strong><\/p>\n

                                        – Gia c\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u1edf khu v\u1ef1c ri\u00eang, xung quanh c\u00f3 r\u00e0o ch\u1eafn v\u00e0 bi\u1ec3n b\u00e1o.<\/p>\n

                                        – C\u1eaft, u\u1ed1n, k\u00e9o c\u1ed1t th\u00e9p ph\u1ea3i d\u00f9ng nh\u1eefng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng, ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ng\u0103n ng\u1eeba th\u00e9p v\u0103ng khi c\u1eaft c\u1ed1t th\u00e9p c\u00f3 \u0111o\u1ea1n d\u00e0i h\u01a1n ho\u1eb7c b\u1eb1ng 0, 3m.<\/p>\n

                                        – B\u00e0n gia c\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn, n\u1ebfu b\u00e0n gia c\u00f4ng c\u1ed1t th\u00e9p c\u00f3 c\u00f4ng nh\u00e2n l\u00e0m vi\u1ec7c \u1edf hai gi\u00e1 th\u00ec \u1edf gi\u1eefa ph\u1ea3i c\u00f3 l\u01b0\u1edbi th\u00e9p b\u1ea3o v\u1ec7 cao \u00edt nh\u1ea5t l\u00e0 1, 0 m. C\u1ed1t th\u00e9p \u0111\u00e3 l\u00e0m xong ph\u1ea3i \u0111\u1ec3 \u0111\u00fang ch\u1ed7 quy \u0111\u1ecbnh.<\/p>\n

                                        – Khi n\u1eafn th\u1eb3ng th\u00e9p tr\u00f2n cu\u1ed9n b\u1eb1ng m\u00e1y ph\u1ea3i che ch\u1eafn b\u1ea3o hi\u1ec3m \u1edf tr\u1ee5c cu\u1ed9n tr\u01b0\u1edbc khi m\u1edf m\u00e1y, h\u00e3m \u0111\u1ed9ng c\u01a1 khi \u0111\u01b0a \u0111\u1ea7u n\u1ed1i th\u00e9p v\u00e0o tr\u1ee5c cu\u1ed9n.<\/p>\n

                                        -Khi gia c\u00f4ng c\u1ed1t th\u00e9p v\u00e0 l\u00e0m s\u1ea1ch r\u1ec9 ph\u1ea3i trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n cho c\u00f4ng nh\u00e2n.<\/p>\n

                                        – Kh\u00f4ng d\u00f9ng k\u00e9o tay khi c\u1eaft c\u00e1c thanh th\u00e9p th\u00e0nh c\u00e1c m\u1eabu ng\u1eafn h\u01a1n 30cm.<\/p>\n

                                        – Tr\u01b0\u1edbc khi chuy\u1ec3n nh\u1eefng t\u1ea5m l\u01b0\u1edbi khung c\u1ed1t th\u00e9p \u0111\u1ebfn v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t ph\u1ea3i ki\u1ec3m tra c\u00e1c m\u1ed1i h\u00e0n, n\u00fat bu\u1ed9c. Khi c\u1eaft b\u1ecf nh\u1eefng ph\u1ea7n th\u00e9p th\u1eeba \u1edf tr\u00ean cao c\u00f4ng nh\u00e2n ph\u1ea3i \u0111eo d\u00e2y an to\u00e0n, b\u00ean d\u01b0\u1edbi ph\u1ea3i c\u00f3 bi\u1ec3n b\u00e1o. Khi h\u00e0n c\u1ed1t th\u00e9p ch\u1edd c\u1ea7n tu\u00e2n theo ch\u1eb7t ch\u1ebd quy \u0111\u1ecbnh c\u1ee7a quy ph\u1ea1m v\u00e0 ph\u1ea3i c\u00f3 m\u1eb7t n\u1ea1 cho th\u1ee3 h\u00e0n.<\/p>\n

                                        – Bu\u1ed9c c\u1ed1t th\u00e9p ph\u1ea3i d\u00f9ng d\u1ee5ng c\u1ee5 chuy\u00ean d\u00f9ng.<\/p>\n

                                        – Khi d\u1ef1ng l\u1eafp c\u1ed1t th\u00e9p g\u1ea7n \u0111\u01b0\u1eddng d\u00e2y d\u1eabn \u0111i\u1ec7n ph\u1ea3i c\u1eaft \u0111i\u1ec7n, tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u1eaft \u0111\u01b0\u1ee3c \u0111i\u1ec7n ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ng\u0103n ng\u1eeba c\u1ed1t th\u00e9p v\u00e0 ch\u1ea1m v\u00e0o d\u00e2y \u0111i\u1ec7n.<\/p>\n

                                        \u0110\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

                                        – Tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt thi c\u00f4ng ph\u1ea3i ki\u1ec3m tra vi\u1ec7c l\u1eafp \u0111\u1eb7t v\u00e1n khu\u00f4n, c\u1ed1t th\u00e9p, d\u00e0n gi\u00e1o, s\u00e0n c\u00f4ng t\u00e1c, \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n. Ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ed5 sau khi \u0111\u00e3 c\u00f3 v\u0103n b\u1ea3n x\u00e1c nh\u1eadn.<\/p>\n

                                        – L\u1ed1i qua l\u1ea1i d\u01b0\u1edbi khu v\u1ef1c \u0111ang \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea3i c\u00f3 r\u00e0o ng\u0103n v\u00e0 bi\u1ec3n c\u1ea5m. Tr\u01b0\u1eddng h\u1ee3p b\u1eaft bu\u1ed9c c\u00f3 ng\u01b0\u1eddi qua l\u1ea1i c\u1ea7n l\u00e0m nh\u1eefng t\u1ea5m che \u1edf ph\u00eda tr\u00ean l\u1ed1i qua l\u1ea1i \u0111\u00f3.<\/p>\n

                                        – C\u1ea5m ng\u01b0\u1eddi kh\u00f4ng c\u00f3 nhi\u1ec7m v\u1ee5 \u0111\u1ee9ng \u1edf s\u00e0n r\u00f3t v\u1eefa b\u00ea t\u00f4ng. C\u00f4ng nh\u00e2n l\u00e0m nhi\u1ec7m v\u1ee5 \u0111\u1ecbnh h\u01b0\u1edbng, \u0111i\u1ec1u ch\u1ec9nh m\u00e1y, \u0111\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng ph\u1ea3i c\u00f3 g\u0103ng, \u1ee7ng.<\/p>\n

                                        – Khi d\u00f9ng \u0111\u1ea7m rung \u0111\u1ec3 \u0111\u1ea7m b\u00ea t\u00f4ng c\u1ea7n:<\/p>\n

                                        + N\u1ed1i \u0111\u1ea5t v\u1edbi v\u1ecf \u0111\u1ea7m rung.<\/p>\n

                                        + D\u00f9ng d\u00e2y bu\u1ed9c c\u00e1ch \u0111i\u1ec7n n\u1ed1i t\u1eeb b\u1ea3ng ph\u00e2n ph\u1ed1i \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n c\u1ee7a \u0111\u1ea7m.<\/p>\n

                                        + L\u00e0m s\u1ea1ch \u0111\u1ea7m rung, lau kh\u00f4 v\u00e0 qu\u1ea5n d\u00e2y d\u1eabn khi l\u00e0m vi\u1ec7c.<\/p>\n

                                        Ng\u1eebng \u0111\u1ea7m rung t\u1eeb 5-7 ph\u00fat sau m\u1ed7i l\u1ea7n l\u00e0m vi\u1ec7c li\u00ean t\u1ee5c t\u1eeb 30-35 ph\u00fat.<\/p>\n

                                        + C\u00f4ng nh\u00e2n v\u1eadn h\u00e0nh m\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb \u1ee7ng cao su c\u00e1ch \u0111i\u1ec7n v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n b\u1ea3o v\u1ec7 c\u00e1 nh\u00e2n kh\u00e1c.<\/p>\n

                                        B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

                                        – Khi b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ph\u1ea3i d\u00f9ng d\u00e0n gi\u00e1o, kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ee9ng l\u00ean c\u00e1c c\u1ed9t ch\u1ed1ng ho\u1eb7c c\u1ea1nh v\u00e1n khu\u00f4n, kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng thang t\u1ef1a v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111ang b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n

                                        – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng v\u1ec1 ban \u0111\u00eam ho\u1eb7c nh\u1eefng b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u b\u1ecb che khu\u1ea5t ph\u1ea3i c\u00f3 \u0111\u00e8n chi\u1ebfu s\u00e1ng.<\/p>\n

                                        Th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n:<\/em><\/strong><\/p>\n

                                        – Ch\u1ec9 \u0111\u01b0\u1ee3c th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n sau khi b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 quy \u0111\u1ecbnh theo h\u01b0\u1edbng d\u1eabn c\u1ee7a c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt thi c\u00f4ng.<\/p>\n

                                        – Khi th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n ph\u1ea3i th\u00e1o theo tr\u00ecnh t\u1ef1 h\u1ee3p l\u00fd ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ec1 ph\u00f2ng v\u00e1n khu\u00f4n r\u01a1i, ho\u1eb7c k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh b\u1ecb s\u1eadp \u0111\u1ed5 b\u1ea5t ng\u1edd. N\u01a1i th\u00e1o v\u00e1n khu\u00f4n ph\u1ea3i c\u00f3 r\u00e0o ng\u0103n v\u00e0 bi\u1ec3n b\u00e1o.<\/p>\n

                                        – Tr\u01b0\u1edbc khi th\u00e1o v\u00e1n khu\u00f4n ph\u1ea3i thu g\u1ecdn h\u1ebft c\u00e1c v\u1eadt li\u1ec7u th\u1eeba v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea5t tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng tr\u00ecnh s\u1eafp th\u00e1o v\u00e1n khu\u00f4n.<\/p>\n

                                        – Khi th\u00e1o v\u00e1n khu\u00f4n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean quan s\u00e1t t\u00ecnh tr\u1ea1ng c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u, n\u1ebfu c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng ph\u1ea3i ng\u1eebng th\u00e1o v\u00e0 b\u00e1o c\u00e1o cho c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt thi c\u00f4ng bi\u1ebft.<\/p>\n

                                        – Sau khi th\u00e1o v\u00e1n khu\u00f4n ph\u1ea3i che ch\u1eafn c\u00e1c l\u1ed7 h\u1ed5ng c\u1ee7a c\u00f4ng tr\u00ecnh kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ec3 v\u00e1n khu\u00f4n \u0111\u00e3 th\u00e1o l\u00ean s\u00e0n c\u00f4ng t\u00e1c ho\u1eb7c n\u00e9m v\u00e1n khu\u00f4n t\u1eeb tr\u00ean xu\u1ed1ng, v\u00e1n khu\u00f4n sau khi th\u00e1o ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ec3 v\u00e0o n\u01a1i quy \u0111\u1ecbnh.<\/p>\n

                                        – Th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n \u0111\u1ed1i v\u1edbi nh\u1eefng khoang \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p c\u00f3 kh\u1ea9u \u0111\u1ed9 l\u1edbn ph\u1ea3i th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 y\u00eau c\u1ea7u n\u00eau trong thi\u1ebft k\u1ebf v\u1ec1 ch\u1ed1ng \u0111\u1ee1 t\u1ea1m th\u1eddi.<\/p>\n

                                        \u00b7\u00a0\u00a0\u00a0\u00a0 Trong thi c\u00f4ng l\u1eafp \u0111\u1eb7t v\u00e0 s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u00f4ng tr\u01b0\u1eddng:<\/em><\/strong><\/p>\n

                                        – Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed l\u01b0\u1edbi \u0111i\u1ec7n \u1edf c\u00f4ng tr\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o l\u01b0\u1edbi \u0111\u1ed9ng l\u1ef1c v\u00e0 chi\u1ebfu s\u00e1ng l\u00e0m vi\u1ec7c ri\u00eang r\u1ebd, c\u00f3 kh\u1ea3 n\u0103ng t\u1eaft \u0111i\u1ec7n to\u00e0n b\u1ed9 ph\u1ee5 t\u1ea3i \u0111i\u1ec7n trong ph\u1ea1m vi t\u1eebng h\u1ea1ng m\u1ee5c, c\u00e1c c\u00f4ng vi\u1ec7c n\u1ed1i th\u00e1o d\u1ee1 d\u00e2y d\u1eabn, s\u1eeda ch\u1eefa, hi\u1ec7u ch\u1ec9nh th\u1eed nghi\u1ec7m thi\u1ebft b\u1ecb \u0111i\u1ec7n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c K\u1ef9 s\u01b0 chuy\u00ean ng\u00e0nh v\u00e0 c\u00f4ng nh\u00e2n b\u1eadc 4\/4 tr\u1edf l\u00ean, c\u00f4ng nh\u00e2n \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c \u0111i\u1ec1u \u0111i\u1ec1u ki\u1ec7n an to\u00e0n \u0111i\u1ec7n, c\u00e1c thi\u1ebft b\u1ecb khi \u0111\u1ea5u n\u1ed1i v\u00e0o l\u01b0\u1edbi \u0111i\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m tra tho\u1ea3 m\u00e3n c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt an to\u00e0n \u0111i\u1ec7n. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt gi\u00e1m s\u00e1t \u0111\u1ea3m b\u1ea3o thi c\u00f4ng \u0111\u00fang tr\u00ecnh t\u1ef1 k\u1ef9 thu\u1eadt \u0111\u1ea3m b\u1ea3o an to\u00e0n l\u01b0\u1edbi \u0111i\u1ec7n, con ng\u01b0\u1eddi v\u00e0 m\u00e1y m\u00f3c thi\u1ebft b\u1ecb.<\/p>\n

                                        – Ngo\u00e0i \u0111\u1ea3m b\u1ea3o c\u00e1c thi\u1ebft b\u1ecb d\u00f9ng \u0111i\u1ec7n c\u00e1c \u0111\u01b0\u1eddng \u0111i\u1ec7n d\u00f9ng trong khu v\u1ef1c thi c\u00f4ng c\u00f2n ph\u1ea3i \u0111\u1eb7t c\u1ea5u dao t\u1ed5ng \u1edf v\u1ecb tr\u00ed thu\u1eadn l\u1ee3i c\u00f3 bi\u1ec3n b\u00e1o, c\u00f3 ng\u01b0\u1eddi theo d\u00f5i th\u01b0\u1eddng xuy\u00ean khi ph\u00e1t hi\u1ec7n n\u1ed5, ch\u1eadp s\u1ebd ng\u1eaft \u0111i\u1ec7n k\u1ecbp th\u1eddi.<\/p>\n

                                        – C\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng d\u00f9ng d\u00e2y c\u00e1p c\u00f3 b\u1ecdc cao su, ch\u00f4n ng\u1ea7m qua \u0111\u01b0\u1eddng xe ch\u1ea1y \u0111\u01b0\u1ee3c \u0111\u1eb7t trong \u1ed1ng k\u1ebdm, ch\u00f4n s\u00e2u d\u01b0\u1edbi 0,6m, c\u00e1c \u0111\u01b0\u1eddng \u0111i\u1ec7n chi\u1ebfu s\u00e1ng , ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t d\u00f9ng lo\u1ea1i d\u00e2y b\u1ecdc.<\/p>\n

                                        – C\u00e1c m\u00e1y m\u00f3c thi\u1ebft b\u1ecb ph\u1ea3i \u0111\u1ea3m b\u1ea3o chi\u1ec1u cao t\u0129nh kh\u00f4ng an to\u00e0n \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n. Khi kh\u00f4ng \u0111\u1ea3m b\u1ea3o ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p thi c\u00f4ng chi ti\u1ebft ri\u00eang \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n ch\u1ed1ng \u0111\u1eadp \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n.<\/p>\n

                                        – Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, c\u1ea7u dao \u0111i\u1ec7n, c\u00e1c thi\u1ebft b\u1ecb d\u00f9ng \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn cho c\u00f4ng nh\u00e2n c\u00f3 \u00fd th\u1ee9c trong c\u00f4ng t\u00e1c d\u00f9ng \u0111i\u1ec7n.<\/p>\n

                                        \u00b7\u00a0\u00a0\u00a0\u00a0 Ngo\u00e0i n\u1ed9i dung tr\u00ean, nh\u00e0 th\u1ea7u s\u1ebd:<\/em><\/strong><\/p>\n

                                        – B\u1ed1 tr\u00ed nh\u00e2n vi\u00ean y t\u1ebf c\u00f3 \u0111\u1ee7 ph\u01b0\u01a1ng ti\u1ec7n s\u01a1 c\u1ee9u ban \u0111\u1ea7u, \u0111\u0103ng k\u00fd tr\u01b0\u1edbc v\u1edbi c\u01a1 s\u1edf y t\u1ebf g\u1ea7n nh\u1ea5t k\u1ecbp th\u1eddi c\u1ea5p c\u1ee9u khi c\u00f3 tai n\u1ea1n s\u1ea3y ra.<\/p>\n

                                        – T\u1ed5 ch\u1ee9c l\u1ef1c l\u01b0\u1ee3ng c\u1ee9u tr\u1ee3 khi x\u1ea3y ra m\u1ea5t an to\u00e0n.<\/p>\n

                                        – Kh\u00f4ng s\u1eed d\u1ee5ng ng\u01b0\u1eddi lao \u0111\u1ed9ng d\u01b0\u1edbi \u0111\u1ed9 tu\u1ed5i v\u1ecb th\u00e0nh li\u00ean, kh\u00f4ng c\u00f3 chuy\u00ean m\u00f4n v\u1ec1 c\u00f4ng vi\u1ec7c nguy hi\u1ec3m.<\/p>\n

                                        – Ch\u1ec9 huy c\u00f4ng tr\u01b0\u1eddng tr\u1ef1c ti\u1ebfp duy\u1ec7t thi\u1ebft k\u1ebf v\u1ec1 c\u00f4ng t\u00e1c an to\u00e0n cho t\u1eebng h\u1ea1ng m\u1ee5c x\u00e2y l\u1eafp tr\u01b0\u1edbc khi tri\u1ec3n khai thi c\u00f4ng.<\/p>\n

                                        – Mua b\u1ea3o hi\u1ec3m cho v\u1eadt t\u01b0, thi\u1ebft b\u1ecb , nh\u00e0 x\u01b0\u1edfng ph\u1ee5c v\u1ee5 thi c\u00f4ng, b\u1ea3o hi\u1ec3m tai n\u1ea1n con ng\u01b0\u1eddi, b\u1ea3o hi\u1ec3m tr\u00e1ch nhi\u1ec7m \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi th\u1ee9 3 theo \u0111i\u1ec1u l\u1ec7 Qu\u1ea3n l\u00fd \u0111\u1ea7u t\u01b0-X\u00e2y d\u1ef1ng v\u00e0 Quy t\u1eafc b\u1ea3o hi\u1ec3m do B\u1ed9 t\u00e0i ch\u00ednh ban h\u00e0nh. \u0110\u1ed3ng th\u1eddi c\u00f9ng ch\u1ee7 c\u00f4ng tr\u00ecnh mua b\u1ea3o hi\u1ec3m c\u00f4ng tr\u00ecnh theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4. An to\u00e0n cho c\u00f4ng tr\u00ecnh:<\/em><\/strong><\/p>\n

                                        – Nh\u00e0 th\u1ea7u c\u00f3 tr\u00e1ch nhi\u1ec7m v\u00e0 ph\u01b0\u01a1ng \u00e1n gi\u1eef g\u00ecn t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u00f4ng trong ph\u1ea1m vi c\u00f4ng tr\u01b0\u1eddng. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng h\u1ebft s\u1ee9c ch\u00fa \u00fd \u0111\u1ebfn c\u00f4ng t\u00e1c ki\u1ec3m tra kh\u1ea3o s\u00e1t c\u00f4ng tr\u00ecnh ng\u1ea7m trong khu v\u1ef1c c\u00f3 bi\u1ec7n ph\u00e1p s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb thi c\u00f4ng h\u1ee3p l\u00fd, tr\u00e1nh g\u00e2y t\u1ed5n th\u1ea5t cho c\u00f4ng tr\u00ecnh \u0111\u00f3, li\u00ean h\u1ec7 ch\u1eb7t ch\u1ebd v\u1edbi Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 c\u00e1c c\u01a1 quan Ch\u1ee7 qu\u1ea3n \u0111\u1ec3 th\u1ed1ng nh\u1ea5t ph\u01b0\u01a1ng \u00e1n di d\u1eddi ho\u1eb7c b\u1ea3o v\u1ec7.<\/p>\n

                                        – \u0110\u1ed1i v\u1edbi nh\u1eefng h\u1ea1ng m\u1ee5c c\u0169ng nh\u01b0 to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh do nh\u00e0 th\u1ea7u thi c\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o an to\u00e0n tuy\u1ec7t \u0111\u1ed1i v\u1ec1 s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1ebft c\u1ea5u b\u1eb1ng c\u00e1c bi\u1ec7n ph\u00e1p t\u00f4n tr\u1ecdng c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng c\u0169ng nh\u01b0 vi\u1ec7c b\u1ea3o d\u01b0\u1ee1ng, \u0111i\u1ec1u h\u00e0nh giao th\u00f4ng h\u1ee3p l\u00fd tr\u00ean b\u1ec1 m\u1eb7t m\u1edbi thi c\u00f4ng c\u1ee7a\u00a0 t\u1eebng l\u1edbp k\u1ebft c\u1ea5u \u00e1o \u0111\u01b0\u1eddng (m\u00f3ng, m\u1eb7t \u0111\u01b0\u1eddng).<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 II. V\u1ec6 SINH M\u00d4I TRU\u1edcNG<\/strong><\/p>\n

                                        – Nh\u00e0 th\u1ea7u s\u1ebd \u00e1p d\u1ee5ng m\u1ecdi bi\u1ec7n ph\u00e1p c\u00f3 th\u1ec3 tu\u00e2n th\u1ee7 ch\u1eb7t ch\u1ebd nh\u1eefng quy \u0111\u1ecbnh v\u1ec1 c\u00f4ng t\u00e1c gi\u1eef g\u00ecn b\u1ea3o v\u1ec7 c\u1ea3nh quan v\u00e0 v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng c\u1ee7a Nh\u00e0 n\u01b0\u1edbc nh\u1eb1m h\u1ea1n ch\u1ebf \u0111\u1ebfn m\u1ee9c th\u1ea5p nh\u1ea5t nh\u1eefng \u1ea3nh h\u01b0\u1edfng b\u1ea5t l\u1ee3i cho c\u1ea3nh quan m\u00f4i tr\u01b0\u1eddng khu v\u1ef1c.<\/p>\n

                                        – B\u1ea3o v\u1ec7 chu \u0111\u00e1o nh\u1eefng c\u1ea3nh quan t\u1ef1 nhi\u00ean hay nh\u00e2n t\u1ea1o trong khu v\u1ef1c.<\/p>\n

                                        – Kh\u00f4ng ch\u1eb7t ph\u00e1 cay xanh b\u1eeba b\u00e3i tr\u1eeb khi c\u00f3 y\u00eau c\u1ea7u c\u1ee7a ch\u1ee7 c\u00f4ng tr\u00ecnh.<\/p>\n

                                        – T\u00f4n tr\u1ecdng nh\u1eefng truy\u1ec1n th\u1ed1ng t\u00f4n gi\u00e1o, nh\u1eefng khu v\u1ef1c t\u00edn ng\u01b0\u1ee1ng t\u00f4n gi\u00e1o c\u0169ng nh\u01b0 t\u1eadp t\u1ee5c c\u1ee7a \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

                                        – Nhanh ch\u00f3ng gi\u1ea3i quy\u1ebft c\u00e1c khi\u1ebfu l\u1ea1i n\u1ebfu c\u00f3 c\u1ee7a nh\u00e2n d\u00e2n li\u00ean quan \u0111\u1ebfn c\u1ea3nh quan khu v\u1ef1c.<\/p>\n

                                        –\u00a0 Thi c\u00f4ng \u0111\u1ebfn \u0111\u00e2u ph\u1ea3i v\u1ec7 sinh ngay \u0111\u1ebfn \u0111\u00f3. Khu v\u1ef1c x\u00e2y d\u1ef1ng l\u00e1n tr\u1ea1i c\u0169ng ph\u1ea3i b\u1ed1 tr\u00ed g\u1ecdn g\u00e0ng. C\u00e1c ch\u1ea5t th\u1ea3i sinh ho\u1ea1t ph\u1ea3i \u0111\u01b0\u1ee3c thu gom v\u00e0 \u0111em \u0111\u1ed5 \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh. Khu v\u1ef1c sinh ho\u1ea1t v\u00e0 khu thi c\u00f4ng ph\u1ea3i l\u00e0m r\u00e3nh tho\u00e1t n\u01b0\u1edbc ra su\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c tho\u00e1t n\u01b0\u1edbc ra \u0111\u01b0\u1eddng ho\u1eb7c v\u00e0o khu v\u1ef1c d\u00e2n c\u01b0 \u0111ang sinh s\u1ed1ng.<\/p>\n

                                        – Hu\u1ef7 b\u1ecf c\u00e1c ch\u1ea5t ph\u1ebf th\u1ea3i b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng \u00e1n s\u1eed l\u00fd \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0, nh\u00e0 ch\u1ee9c tr\u00e1ch nh\u1eefng ng\u01b0\u1eddi b\u1ecb \u1ea3nh h\u01b0\u1edfng th\u00f4ng qua tr\u00ean c\u01a1 s\u1edf tu\u00e2n th\u1ee7 ph\u00e1p l\u1ec7nh v\u00e0 c\u00e1c lu\u1eadt ch\u1ed1ng \u00f4 nhi\u1ec5m kh\u00e1c.<\/p>\n

                                        – N\u01b0\u1edbc th\u1ea3i trong sinh ho\u1ea1t v\u00e0 thi c\u00f4ng d\u1eabn v\u00e0o h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc s\u1eb5n ho\u1eb7c l\u00e0m m\u1edbi, gi\u1eef g\u00ecn kh\u00f4ng \u0111\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ngu\u1ed3n n\u01b0\u1edbc sinh ho\u1ea1t c\u0169ng nh\u01b0 n\u01b0\u1edbc ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t.<\/p>\n

                                        – \u0110\u1ed1i v\u1edbi tr\u1ea1m tr\u1ed9n BTN Nh\u00e0 th\u1ea7u c\u00f3 thi\u1ebft b\u1ecb l\u1ecdc kh\u00f3i v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t xa khu d\u00e2n c\u01b0 \u0111\u1ec3 tr\u00e1nh \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng xung quanh, th\u01b0\u1eddng xuy\u00ean ph\u1ed1i h\u1ee3p v\u1edbi c\u01a1 quan h\u1eefu quan \u0111\u1ec3 ki\u1ec3m tra \u00f4 nhi\u1ec5m \u0111\u1ed9c h\u1ea1i v\u1edbi m\u00f4i tr\u01b0\u1eddng xung quanh, n\u1ebfu kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 cho ph\u00e9p th\u00ec d\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 x\u1eed l\u00fd xong m\u1edbi thi c\u00f4ng ti\u1ebfp.<\/p>\n

                                        – Xe v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u c\u00f3 b\u1ea1t ph\u1ee7 k\u00edn \u0111\u1ec3 ch\u1ed1ng b\u1ee5i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng xung quanh.<\/p>\n

                                        – Nh\u1eefng h\u00f4m tr\u1eddi n\u1eafng ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc d\u1ecdc tuy\u1ebfn \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u thi c\u00f4ng \u0111\u1ec3 gi\u1ea3m b\u1edbt b\u1ee5i g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/p>\n

                                        – B\u1ed1 tr\u00ed trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u00f4ng tr\u00ecnh v\u00e0 thi\u1ebft b\u1ecb v\u1ec7 sinh cho m\u1ecdi th\u00e0nh vi\u00ean c\u1ee7a Nh\u00e0 th\u1ea7u c\u0169ng nh\u01b0 l\u1ef1c l\u01b0\u1ee3ng gi\u00e1m s\u00e1t c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0, c\u00e1c c\u00f4ng tr\u00ecnh v\u1ec7 sinh n\u00e0y s\u1ebd \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u x\u1eed l\u00fd h\u1ee3p v\u1ec7 sinh, kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng sau khi k\u1ebft th\u00fac s\u1eed d\u1ee5ng.<\/p>\n

                                        Ch\u1ea5p h\u00e0nh t\u1ed1t c\u00e1c qui \u0111\u1ecbnh v\u1ec1 v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

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                                        CH\u01af\u01a0NG 2<\/u><\/p>\n

                                        BI\u1ec6N PH\u00c1P PH\u00d2NG CH\u1ed0NG THI\u00caN TAI<\/strong><\/p>\n

                                        Th\u1eddi gian thi c\u00f4ng s\u1ebd kh\u00f4ng tr\u00e1nh kh\u1ecfi g\u1eb7p m\u01b0a gi\u00f3 b\u1ea5t th\u01b0\u1eddng v\u00ec v\u1eady vi\u1ec7c \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng v\u00e0 an to\u00e0n lao \u0111\u1ed9ng l\u00e0 v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh t\u1ed5 ch\u1ee9c thi c\u00f4ng.<\/p>\n

                                        – Ph\u01b0\u01a1ng th\u1ee9c ph\u00f2ng ch\u1ed1ng thi\u00ean tai c\u1ee7a Nh\u00e0 th\u1ea7u d\u1ef1a tr\u00ean c\u01a1 s\u1edf ph\u00f2ng l\u00e0 ch\u00ednh \u0111\u1ec3 khi c\u00f3 x\u1ea3y ra thi\u00ean tai th\u00ec thi\u1ec7t h\u1ea1i s\u1ebd l\u00e0 th\u1ea5p nh\u1ea5t.<\/p>\n

                                        – V\u1edbi kinh nghi\u1ec7m c\u1ee7a nh\u00e0 th\u1ea7u thi c\u00f4ng c\u00f9ng v\u1edbi s\u1ef1 nghi\u00ean c\u1ee9u k\u0129 di\u1ec5n bi\u1ebfn th\u1eddi ti\u1ebft c\u1ee7a \u0111\u1ecba b\u00e0n m\u00e0 \u0111\u1ec1 ra c\u00e1c bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c thi c\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft.<\/p>\n

                                        – N\u1ec1n \u0111\u01b0\u1eddng thi c\u00f4ng \u0111\u1ebfn \u0111\u00e2u \u0111\u01b0\u1ee3c t\u1ea1o r\u00e3nh tho\u00e1t n\u01b0\u1edbc d\u1ecdc v\u00e0 r\u00e3nh tho\u00e1t n\u01b0\u1edbc x\u01b0\u01a1ng c\u00e1 \u0111\u1ebfn \u0111\u1ea5y, t\u1ea1o \u0111\u1ed9 d\u1ed1c ngang cho n\u1ec1n \u0111\u01b0\u1eddng t\u1eeb l\u1edbp thi c\u00f4ng \u0111\u1ea7u ti\u00ean \u0111\u1ec3 tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra m\u01b0a l\u0169 s\u1ebd tho\u00e1t n\u01b0\u1edbc k\u1ecbp th\u1eddi v\u00e0 sau khi x\u1ea3y ra thi\u00ean tai s\u1ebd kh\u1eafc ph\u1ee5c v\u00e0 thi c\u00f4ng \u0111\u01b0\u1ee3c s\u1edbm nh\u1ea5t.<\/p>\n

                                        – L\u00e1n tr\u1ea1i v\u00e0 n\u01a1i t\u1eadp k\u1ebft xe m\u00e1y thi\u1ebft b\u1ecb c\u1ee7a nh\u00e0 th\u1ea7u \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u1edf v\u1ecb tr\u00ed cao r\u00e1o ; \u0111\u01b0\u1ee3c neo \u0111\u1eadu v\u1eefng ch\u1eafc \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ed1i ph\u00f3 \u0111\u01b0\u1ee3c v\u1edbi m\u01b0a b\u00e3o.<\/p>\n

                                        – Khi c\u00f3 thi\u00ean tai x\u1ea3y ra nh\u01b0 m\u01b0a b\u00e3o, l\u0169 l\u1ee5t … nh\u00e0 th\u1ea7u c\u00f3 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd nh\u01b0 sau:<\/p>\n

                                        \u00a0\u00a0\u00a0 + \u0110\u01b0a ng\u01b0\u1eddi v\u1ec1 n\u01a1i tr\u00fa ng\u1ee5 an to\u00e0n.<\/p>\n

                                        \u00a0\u00a0\u00a0 + Thu d\u1ecdn m\u00e1y m\u00f3c thi\u1ebft b\u1ecb v\u1ec1 n\u01a1i an to\u00e0n.<\/p>\n

                                        \u00a0\u00a0\u00a0 + Che ch\u1eafn nh\u00e0 x\u01b0\u1edfng v\u1eefng ch\u1eafc.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 + T\u1ed5 ch\u1ed1ng l\u1ee5t b\u00e3o th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd kh\u1eafc ph\u1ee5c h\u1eadu qu\u1ea3 nhanh\u00a0 nh\u1ea5t.<\/p>\n

                                        \u00a0\u00a0\u00a0 + K\u1ebft th\u00fac m\u01b0a b\u00e3o, l\u0169 l\u1ee5t kh\u1eafc ph\u1ee5c thi\u1ec7t h\u1ea1i \u0111\u1ec3 c\u00f3 th\u1ec3 thi c\u00f4ng \u0111\u01b0\u1ee3c s\u1edbm nh\u1ea5t.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u1ec1 ph\u00f2ng thi\u1ec7t h\u1ea1i do r\u1ee7i do b\u1ea5t kh\u1ea3 kh\u00e1ng, nh\u00e0 th\u1ea7u mua b\u1ea3o hi\u1ec3m cho c\u00f4ng tr\u00ecnh v\u00e0 b\u1ea3o hi\u1ec3m cho to\u00e0n b\u1ed9 trang thi\u1ebft b\u1ecb m\u00e1y m\u00f3c v\u00e0 con ng\u01b0\u1eddi thi c\u00f4ng tr\u00ean c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                         <\/p>\n

                                         <\/p>\n

                                        CH\u01af\u01a0NG 3:<\/p>\n

                                        C\u00d4NG T\u00c1C \u0110\u1ea2M B\u1ea2O<\/strong><\/p>\n

                                        \u00a0AN NINH V\u00c0 PH\u00d2NG CH\u1ed0NG CH\u00c1Y N\u1ed4<\/strong><\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1. C\u00f4ng t\u00e1c \u0111\u1ea3m b\u1ea3o an ninh x\u00e3 h\u1ed9i<\/em><\/strong><\/p>\n

                                        – C\u1eed c\u00e1n b\u1ed9 th\u01b0\u1eddng xuy\u00ean k\u1ebft h\u1ee3p v\u1edbi ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o an ninh – tr\u1eadt t\u1ef1 x\u00e3 h\u1ed9i chung.<\/p>\n

                                        – \u0110\u1ed1i x\u1eed t\u1ed1t v\u1edbi b\u00e0 con nh\u00e2n d\u00e2n c\u00e1c th\u00f4n x\u00f3m quanh khu v\u1ef1c thi c\u00f4ng, t\u1ea1o m\u1ed1i quan h\u1ec7 t\u1ed1t \u0111\u1eb9p gi\u1eefa \u0111\u01a1n v\u1ecb v\u00e0 \u0111\u1ecba ph\u01b0\u01a1ng. T\u00f4n tr\u1ecdng phong t\u1ee5c t\u1eadp qu\u00e1n c\u1ee7a b\u00e0 con \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

                                        – B\u1ed1 tr\u00ed b\u1ea3o v\u1ec7 tr\u1ef1c c\u00f4ng tr\u01b0\u1eddng 24\/24 gi\u1edd \u0111\u1ec3 tr\u00f4ng coi, gi\u1eef g\u00ecn t\u00e0i s\u1ea3n c\u1ee7a \u0111\u01a1n v\u1ecb v\u00e0 ng\u0103n ch\u1eb7n kh\u00f4ng cho ng\u01b0\u1eddi kh\u00f4ng c\u00f3 nhi\u1ec7m v\u1ee5 ra v\u00e0o c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                        – C\u00f3 n\u1ed9i quy ri\u00eang c\u1ee7a c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec3 gi\u00e1o d\u1ee5c c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean c\u00f3 \u00fd th\u1ee9c gi\u1eef g\u00ecn v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng v\u00e0 an ninh x\u00e3 h\u1ed9i.<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2. C\u00f4ng t\u00e1c ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5<\/em><\/strong><\/p>\n

                                        – Do quy m\u00f4 x\u00e2y d\u1ef1ng c\u1ee7a g\u00f3i th\u1ea7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u00e0o ph\u00e1 m\u1edf r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng v\u00e0o taluy d\u01b0\u01a1ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 m\u00ecn c\u00f3 t\u00ednh ch\u1ea5t nguy hi\u1ec3m, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c thi c\u00f4ng \u0111\u01b0\u1ee3c an to\u00e0n v\u00e0 b\u1ea3o \u0111\u1ea3m ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng c\u00f4ng tr\u00ecnh Nh\u00e0 th\u1ea7u \u0111\u01b0a ra m\u1ed9t s\u1ed1 c\u00e1c quy \u0111\u1ecbnh c\u01a1 b\u1ea3n nh\u01b0 sau:<\/p>\n

                                        – Khi thi c\u00f4ng n\u1ed5 m\u00ecn ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i thu\u1ed1c n\u1ed5 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n n\u1ed5 \u0111\u00e3 \u0111\u01b0\u1ee3c Nh\u00e0 n\u01b0\u1edbc cho ph\u00e9p s\u1eed d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ch\u1ea5p thu\u1eadn. N\u1ebfu d\u00f9ng c\u00e1c lo\u1ea1i thu\u1ed1c n\u1ed5 v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n n\u1ed5 kh\u00e1c v\u1edbi quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 n\u01b0\u1edbc th\u00ec ph\u1ea3i c\u00f3 gi\u1ea5y ph\u00e9p c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd c\u00f3 th\u1ea9m\u00a0 quy\u1ec1n v\u00e0 ph\u1ea3i c\u00f3 quy tr\u00ecnh s\u1eed d\u1ee5ng, b\u1ea3o qu\u1ea3n v\u1eadn chuy\u1ec3n ri\u00eang bi\u1ec7t.<\/p>\n

                                        – C\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a thu\u1ed1c n\u1ed5 v\u00e0 c\u00e1ch b\u1ed1 tr\u00ed ch\u00fang \u0111\u1eab \u0111\u01b0\u1ee3c n\u00eau ra trong thi\u1ebft k\u1ebf thi c\u00f4ng nh\u01b0ng ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh ch\u00ednh x\u00e1c l\u1ea1i sau c\u00e1c l\u1ea7n n\u1ed5 th\u00ed nghi\u1ec7m ho\u1eb7c sau l\u1ea7n n\u1ed5 \u0111\u1ea7u ti\u00ean.<\/p>\n

                                        – Thu\u1ed1c n\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng c\u00f3 \u0111\u1ed9 an to\u00e0n cao.<\/p>\n

                                        – B\u00e1n k\u00ednh c\u1ee7a v\u00f9ng nguy hi\u1ec3m ph\u1ea3i t\u00ednh to\u00e1n theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi quy ph\u1ea1m\u00a0 an to\u00e0n v\u00e0 b\u1ea3o qu\u1ea3n, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u1ed5.<\/p>\n

                                        – Tr\u01b0\u1edbc khi thi c\u00f4ng n\u1ed5 m\u00ecn Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh l\u00e0m m\u1ed9t s\u1ed1 th\u1ee7 t\u1ee5c c\u1ea7n thi\u1ebft nh\u01b0 sau:<\/p>\n

                                        + Th\u00f4ng b\u00e1o tr\u00ean\u00a0 ph\u01b0\u01a1ng ti\u1ec7n th\u00f4ng tin \u0111\u1ea1i ch\u00fang vi\u1ec7c thi c\u00f4ng n\u1ed5 m\u00ecn.<\/p>\n

                                        + L\u1eadp c\u00e1c bi\u1ec3n b\u00e1o gi\u1edd n\u1ed5 m\u00ecn v\u00e0 c\u00e1c hi\u1ec7u l\u1ec7nh n\u1ed5 m\u00ecn.v.v.. t\u1ea1i c\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng c\u1ee7a ng\u01b0\u1eddi ch\u1ec9 huy c\u00f4ng t\u00e1c n\u1ed5 ph\u00e1.<\/p>\n

                                        – Trong tr\u01b0\u1eddng h\u1ee3p khi thi c\u00f4ng n\u1ed5 ph\u00e1 c\u00f3 nh\u1eefng qu\u1ea3 m\u00ecn c\u00e2m n\u1eb1m l\u1eabn trong \u0111\u1ea5t \u0111\u00e1 \u0111\u00e3 n\u1ed5 m\u00ecn ho\u1eb7c to\u00e0n kh\u1ed1i b\u1ecb c\u00e2m th\u00ec vi\u1ec7c x\u1eed l\u00fd m\u00ecn c\u00e2m ph\u1ea3i ti\u1ebfn h\u00e0nh theo \u0111\u00fang quy ph\u1ea1m an to\u00e0n v\u1ec1 c\u00f4ng t\u00e1c n\u1ed5 m\u00ecn.<\/p>\n

                                        – \u0110\u1ec3 b\u1ea3o qu\u1ea3n c\u1ea5t gi\u1eef v\u1eadt li\u1ec7u n\u1ed5, ph\u1ea3i c\u00f3 c\u00e1c kho c\u1ed1 \u0111\u1ecbnh, ri\u00eang bi\u1ec7t. C\u00e1ch x\u00e2y d\u1ef1ng, b\u1ed1 tr\u00ed v\u00e0 b\u1ea3o qu\u1ea3n b\u1ea3o v\u1ec7 kho ph\u1ea3i tu\u00e2n theo quy ph\u1ea1m an to\u00e0n v\u1ec1 b\u1ea3o v\u1ec7, v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u n\u1ed5.<\/p>\n

                                        – V\u1ecb tr\u00ed \u0111\u1eb7t kho ch\u1ee9a thu\u1ed1c n\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e1c c\u1ea5p c\u00f3 th\u1ea9m quy\u1ec1n ph\u00ea duy\u1ec7t.<\/p>\n

                                        – Ngo\u00e0i ra t\u1ea5t c\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 li\u00ean quan \u0111\u1ebfn v\u1eadt li\u1ec7u n\u1ed5 nh\u01b0 t\u00e0ng ch\u1eef, b\u1ea3o qu\u1ea3n, th\u1eed nghi\u1ec7m, v\u1eadn chuy\u1ec3n hay b\u1ecf ch\u00fang \u0111\u1ec1u ph\u1ea3i tu\u00e2n theo nh\u1eefng quy \u0111\u1ecbnh v\u00e0 quy ph\u1ea1m an to\u00e0n n\u00f3i tr\u00ean.<\/p>\n

                                        Ngo\u00e0i c\u00e1c qui \u0111\u1ecbnh chung v\u1ec1 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5, \u0111\u1ec1 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00f2n ch\u00fa \u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 sau:<\/p>\n

                                        – T\u1ea1i c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u1ec1u ph\u1ea3i c\u00f3 b\u1ea3n n\u1ed9i quy ph\u00f2ng ch\u1eefa ch\u00e1y, \u0111\u01b0\u1ee3c ph\u1ed5 bi\u1ebfn \u0111\u1ebfn t\u1eebng ng\u01b0\u1eddi lao \u0111\u1ed9ng. Th\u00e0nh l\u1eadp \u0111\u1ed9i t\u1ef1 v\u1ec7 \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n k\u1ef9 n\u0103ng ch\u1eefa ch\u00e1y, s\u1eb5n s\u00e0ng l\u00e0m nhi\u1ec7m v\u1ee5 khi c\u00f3 s\u1ef1 c\u1ed1 ho\u1ea3 ho\u1ea1n.<\/p>\n

                                        – C\u00f3 bi\u1ec7n ph\u00e1p ph\u00f2ng ch\u00e1y trong thi c\u00f4ng nh\u01b0 : b\u1ed1 tr\u00ed b\u00ecnh b\u1ecdt, h\u1ed9c c\u00e1t, h\u1ecdng n\u01b0\u1edbc, \u1ed1ng n\u01b0\u1edbc m\u1ec1m t\u1ea1i ch\u1ed7 d\u1ec5 l\u1ea5y khi c\u1ea7n thi\u1ebft. Kh\u00f4ng \u0111\u1ec3 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u d\u1ec5 b\u1eaft ch\u00e1y g\u1ea7n n\u01a1i c\u00f3 l\u1eeda ho\u1eb7c n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao. Ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n

                                        – Trong khu v\u1ef1c nh\u00e0 \u1edf, nh\u00e0 l\u00e0m vi\u1ec7c trang b\u1ecb m\u1ed9t s\u1ed1 b\u00ecnh b\u1ecdt ch\u1eefa ch\u00e1y, m\u1ed9t s\u1ed1 b\u1ec3 v\u00e0 th\u00f9ng phuy ch\u1ee9a n\u01b0\u1edbc c\u1ee9u ho\u1ea3.<\/p>\n

                                        – C\u00e1c m\u1ed1i n\u1ed1i, c\u1ea7u dao c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n sinh ho\u1ea1t, \u0111i\u1ec7n s\u1ea3n xu\u1ea5t ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n an to\u00e0n.<\/p>\n

                                        – \u0110\u0103ng k\u00fd v\u1edbi c\u00f4ng an ph\u00f2ng ch\u1eefa ch\u00e1y \u0111\u1ec3 hu\u1ea5n luy\u1ec7n nghi\u1ec7p v\u1ee5 v\u00e0 ph\u1ed1i h\u1ee3p h\u00e0nh \u0111\u1ed9ng khi c\u00f3 ho\u1ea3 ho\u1ea1n.<\/p>\n

                                         <\/p>\n

                                        PH\u1ea6N VI<\/u><\/p>\n

                                        K\u1ebeT LU\u1eacN CHUNG<\/strong><\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 C\u0103n c\u1ee9 v\u00e0o n\u0103ng l\u1ef1c th\u1ef1c t\u1ebf c\u1ee7a \u0111\u01a1n v\u1ecb thi c\u00f4ng. B\u1eb1ng kinh nghi\u1ec7m thi c\u00f4ng c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng d\u00e2n d\u1ee5ng, giao th\u00f4ng. Nh\u00e0 th\u1ea7u C\u00f4ng ty XD&TM Th\u00e1i S\u01a1n ch\u00fang t\u00f4i cam k\u1ebft thi c\u00f4ng g\u00f3i th\u1ea7u x\u00e2y l\u1eafp G\u00f3i th\u1ea7u s\u1ed1 3, C\u00f4ng tr\u00ecnh: \u0110\u01b0\u1eddng N\u1eadm Cha – Ng\u00e0i Tr\u1ed3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u00fang ti\u1ebfn \u0111\u1ed9 \u0111\u00e3 \u0111\u1ec1 ra.<\/p>\n

                                        – \u00c1p d\u1ee5ng ti\u1ebfn b\u1ed9 khoa h\u1ecdc k\u1ef9 thu\u1eadt m\u1edbi nh\u1ea5t v\u00e0o x\u00e2y d\u1ef1ng, s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n thi c\u00f4ng ti\u00ean ti\u1ebfn, hi\u1ec7n \u0111\u1ea1i, c\u00f4ng su\u1ea5t cao v\u00e0 chuy\u00ean d\u1ee5ng, c\u1ed1pha \u0111\u00e0 gi\u00e1o th\u00e1o l\u1eafp d\u1ec5 d\u00e0ng. Li\u00ean t\u1ee5c t\u0103ng nh\u00e2n l\u1ef1c v\u00e0 m\u00e1y m\u00f3c thi\u1ebft b\u1ecb, gi\u1ea3m th\u1eddi gian thi c\u00f4ng, \u0111\u1ea9y nhanh ti\u1ebfn \u0111\u1ed9 (n\u1ebfu c\u00f3 y\u00eau c\u1ea7u c\u1ea7n thi\u1ebft) cho t\u1eebng giai \u0111o\u1ea1n thi c\u00f4ng.<\/p>\n

                                        -Th\u1ef1c hi\u1ec7n ph\u01b0\u01a1ng \u00e1n d\u1ef1 ph\u00f2ng \u0111\u1ec3 huy \u0111\u1ed9ng l\u00fac c\u1ea7n thi\u1ebft.<\/p>\n

                                        -Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng tr\u01b0\u1edbc khi chuy\u1ec3n giai \u0111o\u1ea1n thi c\u00f4ng c\u00e1c ph\u1ea7n vi\u1ec7c \u0111\u1ec1u \u0111\u01b0\u1ee3c nghi\u1ec7m thu v\u00e0 ch\u1ec9nh s\u1eeda (n\u1ebfu c\u00f3 sai s\u00f3t) xong m\u1edbi ti\u1ebfn h\u00e0nh thi c\u00f4ng ti\u1ebfp theo.<\/p>\n

                                        Tr\u00ean \u0111\u00e2y l\u00e0 to\u00e0n b\u1ed9 n\u1ed9i dung Thuy\u1ebft minh bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng. Ch\u00fang t\u00f4i tin t\u01b0\u1edfng r\u1eb1ng b\u1eb1ng tr\u00ecnh \u0111\u1ed9, kinh nghi\u1ec7m v\u1edbi \u0111\u1ed9i ng\u0169 c\u00e1n b\u1ed9 n\u0103ng \u0111\u1ed9ng, k\u1ef9 s\u01b0 nhi\u1ec1u kinh nghi\u1ec7m, c\u00f4ng nh\u00e2n l\u00e0nh ngh\u1ec1, b\u1eb1ng uy t\u00edn c\u1ee7a m\u1ed9t \u0111\u01a1n v\u1ecb x\u00e2y d\u1ef1ng chuy\u00ean ng\u00e0nh c\u00f4ng tr\u00ecnh s\u1ebd \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t.<\/p>\n

                                        Xin tr\u00e2n tr\u1ecdng c\u1ea3m \u01a1n v\u00e0 k\u00ednh mong s\u1ef1 l\u1ef1a ch\u1ecdn c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0\u00a0 – BQLDA T\u0110C Thu\u1ef7 \u0111i\u1ec7n S\u01a1n La – huy\u1ec7n S\u00ecn H\u1ed3!<\/p>\n

                                        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110i\u1ec7n Bi\u00ean, ng\u00e0y 12 \u00a0th\u00e1ng 12 n\u0103m 2007<\/em><\/p>\n

                                        \u0110\u1ea0I DI\u1ec6N NH\u00c0 TH\u1ea6U<\/strong><\/p>\n

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                                        C\u00f9ng h\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng tham kh\u1ea3o Thuy\u1ebft minh bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u01b0\u1eddng Giao th\u00f4ng n\u00f4ng th\u00f4n Lai Ch\u00e2u. M\u1eadt kh\u1ea9u : Cu\u1ed1i b\u00e0i vi\u1ebft B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c c\u00f3 li\u00ean quan c\u1ee7a H\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng.com : 1. M\u1eabu b\u1ea3n v\u1ebd c\u1ea5p tho\u00e1t n\u01b0\u1edbc 2. B\u00e1o gi\u00e1 thi\u1ebft…<\/p>\n","protected":false},"author":1,"featured_media":1527,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thuyet-minh-bien-phap-thi-cong"],"_links":{"self":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=363"}],"version-history":[{"count":15,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/363\/revisions"}],"predecessor-version":[{"id":13611,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/363\/revisions\/13611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/1527"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}