{"id":1332,"date":"2019-07-14T03:16:06","date_gmt":"2019-07-14T03:16:06","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=1332"},"modified":"2019-07-14T03:21:30","modified_gmt":"2019-07-14T03:21:30","slug":"thuyet-minh-bien-phap-to-chuc-thi-cong-duong-giao-thong-cap-3-mien-nui","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=1332","title":{"rendered":"Thuy\u1ebft minh bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng \u0111\u01b0\u1eddng giao th\u00f4ng c\u1ea5p 3 mi\u1ec1n n\u00fai"},"content":{"rendered":"

Hosoxaydung.com xin gi\u1edbi thi\u1ec7u c\u00e1c b\u1ea1n Thuy\u1ebft minh bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng \u0111\u01b0\u1eddng giao th\u00f4ng c\u1ea5p 3 mi\u1ec1n n\u00fai<\/p>\n

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

THUY\u1ebeT MINH BI\u1ec6N PH\u00c1P T\u1ed4 CH\u1ee8C THI C\u00d4NG \u0110\u01af\u1edcNG GIAO TH\u00d4NG C\u1ea4P 3 MI\u1ec0N N\u00daI<\/h4>\n

THUY\u1ebeT MINH BI\u1ec6N PH\u00c1P T\u1ed4 CH\u1ee8C THI C\u00d4NG<\/strong><\/h3>\n

PH\u1ea6N I: GI\u1edaI THI\u1ec6U CHUNG.<\/strong><\/p>\n

1.1. \u0110\u1eb7c \u0111i\u1ec3m tuy\u1ebfn \u0111\u01b0\u1eddng.<\/p>\n

– H\u01b0\u1edbng tuy\u1ebfn: \u0110o\u1ea1n t\u1eeb\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 c\u00f3 chi\u1ec1u d\u00e0i 65,101 km \u0111\u01b0\u1ee3c chia l\u00e0m hai \u0111o\u1ea1n th\u00e0nh ph\u1ea7n:<\/p>\n

+ \u0110o\u1ea1n 1:<\/p>\n

+ \u0110o\u1ea1n 2:<\/p>\n

– \u0110\u1ecba h\u00ecnh \u0111\u1ecba m\u1ea1o khu v\u1ef1c tuy\u1ebfn \u0111i qua thu\u1ed9c ki\u1ec3u \u0111\u1ecba h\u00ecnh \u0111\u1ed3i trung b\u00ecnh, c\u00e2y c\u1ed1i r\u1eadm r\u1ea1p, \u0111\u1ed9 d\u1ed1c ngang l\u1edbn. \u0110\u1ecba h\u00ecnh b\u1ecb chia c\u1eaft m\u1ea1nh b\u1edfi h\u1ec7 th\u1ed1ng khe su\u1ed1i d\u00e0y \u0111\u1eb7c.<\/p>\n

– Ph\u00e2n \u0111o\u1ea1n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0b\u1eaft \u0111\u1ea7u t\u1eeb km \u2026.. thu\u1ed9c \u0111\u1ecba ph\u1eadn x\u00e3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 , huy\u1ec7n\u00a0\u00a0 , t\u1ec9nh\u00a0\u00a0 x\u00e2y l\u1eafp thu\u1ed9c \u0111\u1ecba ph\u1eadn t\u1ec9nh\u00a0\u00a0 v\u00e0 k\u1ebft th\u00fac t\u1ea1i<\/p>\n

– \u0110o\u1ea1n\u00a0\u00a0\u00a0 l\u00e0 tuy\u1ebfn m\u1edbi ho\u00e0n to\u00e0n, do \u0111\u00f3 h\u1ec7 th\u1ed1ng giao th\u00f4ng trong khu v\u1ef1c h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3, tr\u1eeb \u0111\u01b0\u1eddng t\u1ea1m l\u00e2m nghi\u1ec7p t\u1eeb<\/p>\n

1.2. \u0110\u1ecba h\u00ecnh:<\/p>\n

– \u0110\u1ecba h\u00ecnh khu v\u1ef1c tuy\u1ebfn c\u00f3 d\u1ea1ng \u0111\u1ecba h\u00ecnh \u0111\u1ed3i n\u00fai trung b\u00ecnh. \u0110\u1ecba h\u00ecnh b\u1ecb c\u1eaft x\u1ebb m\u1ea1nh b\u1edfi nhi\u1ec1u h\u1ec7 th\u1ed1ng s\u00f4ng su\u1ed1i d\u00e0y \u0111\u1eb7c, c\u00e2y c\u1ed1i r\u1eadm r\u1ea1p. \u0110o\u1ea1n tuy\u1ebfn l\u00e0m m\u1edbi ho\u00e0n n\u00ean h\u1ec7 th\u1ed1ng giao th\u00f4ng khu v\u1ef1c h\u1ea7u nh\u01b0 ch\u01b0a c\u00f3. \u0110\u1ed9 d\u1ed1c d\u1ecdc v\u00e0 \u0111\u1ed9 d\u1ed1c ngang c\u1ee7a \u0111\u1ecba h\u00ecnh t\u1ef1 nhi\u00ean l\u1edbn, C\u00f4ng t\u00e1c di chuy\u1ec3n thi\u1ebft b\u1ecb, \u0111\u01b0a m\u00e1y m\u00f3c v\u00e0o thi c\u00f4ng r\u1ea5t kh\u00f3 kh\u0103n.<\/p>\n

C\u1ea5p \u0111\u01b0\u1eddng:<\/em><\/strong><\/p>\n

– Tuy\u1ebfn \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo ti\u00eau chu\u1ea9n c\u1ea5p III mi\u1ec1n n\u00fai. T\u1ed1c \u0111\u1ed9 thi\u1ebft k\u1ebf VTK <\/sub>= 60 km\/h.<\/p>\n

C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u1ee7 y\u1ebfu<\/em><\/strong><\/p>\n

– B\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong b\u1eb1ng Rmin<\/sub> = 125m (m\u1ed9t s\u1ed1 \u0111o\u1ea1n \u0111\u1ecba h\u00ecnh kh\u00f3 kh\u0103n ch\u00e2m ch\u01b0\u1edbc R = 60m).<\/p>\n

– B\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong \u0111\u1ee9ng l\u1ed3i t\u1ed1i thi\u1ec3u Rmin<\/sub> = 2500m<\/p>\n

– B\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong \u0111\u1ee9ng l\u00f5m t\u1ed1i thi\u1ec3u Rmin<\/sub> = 1500m<\/p>\n

– \u0110\u1ed9 d\u1ed1c d\u1ecdc t\u1ed1i \u0111a idmax <\/sub>\u00a0= 7.97%. Cao \u0111\u1ed9 \u0111\u01b0\u1eddng \u0111\u1ecf thi\u1ebft k\u1ebf \u0111\u1ea3m b\u1ea3o t\u1ea7n su\u1ea5t th\u1ee7y v\u0103n ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ecba h\u00ecnh khu v\u1ef1c.<\/p>\n

– B\u1ec1 r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng \u00a0\u00a0\u00a0\u00a0 Bn\u1ec1n <\/sub>= 9m<\/p>\n

– B\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng \u00a0\u00a0\u00a0\u00a0 Bm\u1eb7t <\/sub>= 6m<\/p>\n

– B\u1ec1 r\u1ed9ng l\u1ec1 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Bl <\/sub>= 2 x 1.5m<\/p>\n

– \u0110\u1ed9 d\u1ed1c ngang m\u1eb7t \u0111\u01b0\u1eddng th\u00f4ng th\u01b0\u1eddng in<\/sub> = 2%.<\/p>\n

– \u0110\u1ed9 d\u1ed1c l\u1ec1 \u0111\u01b0\u1eddng gia c\u1ed1 2%, l\u1ec1 \u0111\u1ea5t 6%.<\/p>\n

– \u0110\u1ed9 d\u1ed1c ta lu\u1ef5 n\u1ec1n \u0111\u1eafp 1: 1.5. Nh\u1eefng \u0111o\u1ea1n \u0111\u1eafp cao \u0111\u01b0\u1ee3c d\u1eadt c\u1ea5p, m\u1ed7i c\u1ea5p r\u1ed9ng 2 m cao 6m. \u0110\u1ed9 d\u1ed1c taluy \u0111\u1eafp \u0111\u00e1 1:1.<\/p>\n

– N\u1ec1n \u0111\u00e0o c\u00f3 \u0111\u1ed9 d\u1ed1c taluy 1:0.5 \u2013 1:1 tu\u1ef3 theo \u0111\u1ecba ch\u1ea5t. \u0110\u1ed1i v\u1edbi \u0111o\u1ea1n taluy cao \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u1eadt c\u1ea5p, m\u1ed7i c\u1ea5p cao t\u1eeb 6 \u2013 12m, b\u1eadc r\u1ed9ng 2m.<\/p>\n

K\u1ebft c\u1ea5u n\u1ec1n \u0111\u01b0\u1eddng, \u00e1o \u0111\u01b0\u1eddng.<\/em><\/strong><\/p>\n

N\u1ec1n \u0111\u01b0\u1eddng:<\/u> \u0110\u1ed1i v\u1edbi n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp ho\u1eb7c n\u1ec1n \u0111\u00e0o l\u00e0 \u0111\u1ea5t, c\u00e1c l\u1edbp n\u1ec1n \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t K95, ri\u00eang l\u1edbp \u0111\u1ea5t 30cm t\u1eeb \u0111\u00e1y \u00e1o \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1ea7m ch\u1eb7t K = 98.<\/p>\n

\u00c1o \u0111\u01b0\u1eddng:<\/u><\/p>\n

* K\u1ebft c\u1ea5u lo\u1ea1i 1 (KCI) tr\u00ean n\u1ec1n \u0111\u1ea5t, \u0111\u00e1 phong ho\u00e1 m\u1ea1nh \u00e1o \u0111\u01b0\u1eddng t\u1eeb tr\u00ean xu\u1ed1ng nh\u01b0 sau:<\/p>\n

– B\u00ea t\u00f4ng nh\u1ef1a h\u1ea1t m\u1ecbn d\u00e0y 5 cm.<\/p>\n

– T\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m ti\u00eau chu\u1ea9n 0.3 l\u00edt\/m2<\/sup><\/p>\n

– B\u00ea t\u00f4ng nh\u1ef1a h\u1ea1t th\u00f4 d\u00e0y 7 cm.<\/p>\n

– T\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m ti\u00eau chu\u1ea9n 1.0 l\u00edt\/m2<\/sup><\/p>\n

– C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m lo\u1ea1i 1 d\u00e0y 15 cm.<\/p>\n

– C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m lo\u1ea1i 2 d\u00e0y 20 cm.<\/p>\n

* K\u1ebft c\u1ea5u lo\u1ea1i 2 (KCII) tr\u00ean n\u1ec1n \u0111\u00e1 c\u1ee9ng, \u00e1o \u0111\u01b0\u1eddng t\u1eeb tr\u00ean xu\u1ed1ng nh\u01b0 sau:<\/p>\n

– B\u00ea t\u00f4ng nh\u1ef1a h\u1ea1t m\u1ecbn d\u00e0y 5 cm.<\/p>\n

– T\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m ti\u00eau chu\u1ea9n 0.3 l\u00edt\/m2<\/sup><\/p>\n

– B\u00ea t\u00f4ng nh\u1ef1a h\u1ea1t th\u00f4 d\u00e0y 7 cm.<\/p>\n

– T\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m ti\u00eau chu\u1ea9n 1.0 l\u00edt\/m2<\/sup><\/p>\n

– C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m lo\u1ea1i 1 d\u00e0y 15 cm.<\/p>\n

L\u1ec1 \u0111\u01b0\u1eddng<\/strong><\/p>\n

Ph\u1ea7n l\u1ec1 gia c\u1ed1 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ed3ng nh\u1ea5t v\u1edbi k\u1ebft c\u1ea5u \u00e1o \u0111\u01b0\u1eddng.<\/p>\n

C\u00e1c c\u00f4ng tr\u00ecnh ch\u00ednh:<\/strong><\/p>\n

C\u1ea7u Khe Tr\u00f9 Km 34 + 132.8:<\/u><\/p>\n

– S\u01a1 \u0111\u1ed3 nh\u1ecbp 1 x 24m. Chi\u1ec1u d\u00e0i to\u00e0n c\u1ea7u Ltc <\/sub>= 39.2m.<\/p>\n

– Kh\u1ed5 c\u1ea7u: B = 8 + 2 x 0.5 = 9m. G\u1ed3m 4 d\u1ea7m ch\u1eef T chi\u1ec1u d\u00e0i d\u1ea7m 24 m b\u1eb1ng BTCT D\u1ef1 \u1ee9ng l\u1ef1c.<\/p>\n

– M\u1ed1 c\u1ea7u d\u1ea1ng ch\u1eef U b\u1eb1ng BTCT, m\u00f3ng n\u00f4ng \u0111\u1eb7t tr\u00ean n\u1ec1n \u0111\u00e1 phong ho\u00e1 n\u1ee9t n\u1ebb.<\/p>\n

– Tr\u1ee5 c\u1ea7u d\u1ea1ng th\u00e2n h\u1eb9p BTCT, m\u00f3ng n\u00f4ng tr\u00ean n\u1ec1n \u0111\u00e1 phong ho\u00e1 n\u1ee9t n\u1ebb.<\/p>\n

C\u1ea7u Khe V\u00f2 Km 34 + 897.79:<\/u><\/p>\n

– S\u01a1 \u0111\u1ed3 nh\u1ecbp 1 x 25.7m. Chi\u1ec1u d\u00e0i to\u00e0n c\u1ea7u Ltc <\/sub>= 38.8m.<\/p>\n

– Kh\u1ed5 c\u1ea7u: B = 9 + 2 x 0.5 = 10m. G\u1ed3m 5 d\u1ea7m BTCT D\u1ef1 \u1ee9ng l\u1ef1c ti\u1ebft di\u1ec7n ch\u1eef I chi\u1ec1u d\u00e0i d\u1ea7m 25.7m.<\/p>\n

– M\u1ed1 c\u1ea7u d\u1ea1ng ch\u1eef U b\u1eb1ng BTCT, m\u00f3ng n\u00f4ng \u0111\u1eb7t tr\u00ean n\u1ec1n \u0111\u00e1 phong ho\u00e1 n\u1ee9t n\u1ebb.<\/p>\n

– Tr\u1ee5 c\u1ea7u d\u1ea1ng th\u00e2n h\u1eb9p BTCT, m\u00f3ng n\u00f4ng tr\u00ean n\u1ec1n \u0111\u00e1 phong ho\u00e1 n\u1ee9t n\u1ebb.<\/p>\n

C\u1ea7u R\u00e0o M\u1ed1c Km 36 + 208.00<\/u><\/p>\n

– S\u01a1 \u0111\u1ed3 nh\u1ecbp x 25.7m. Chi\u1ec1u d\u00e0i to\u00e0n c\u1ea7u Ltc <\/sub>= 38.8m.<\/p>\n

– Kh\u1ed5 c\u1ea7u: B = 9 + 2 x 0.5 = 10m. G\u1ed3m 5 d\u1ea7m BTCT D\u1ef1 \u1ee9ng l\u1ef1c ti\u1ebft di\u1ec7n ch\u1eef I chi\u1ec1u d\u00e0i d\u1ea7m 25.7m.<\/p>\n

– M\u1ed1 c\u1ea7u d\u1ea1ng ch\u1eef U b\u1eb1ng BTCT, m\u00f3ng n\u00f4ng \u0111\u1eb7t tr\u00ean n\u1ec1n \u0111\u00e1 phong ho\u00e1 n\u1ee9t n\u1ebb.<\/p>\n

– Tr\u1ee5 c\u1ea7u d\u1ea1ng th\u00e2n h\u1eb9p BTCT, m\u00f3ng n\u00f4ng tr\u00ean n\u1ec1n \u0111\u00e1 phong ho\u00e1 n\u1ee9t n\u1ebb.<\/p>\n

C\u1ed1ng<\/u><\/p>\n

To\u00e0n tuy\u1ebfn x\u00e2y m\u1edbi 21 c\u1ed1ng tr\u00f2n c\u00e1c lo\u1ea1i, chi\u1ec1u d\u00e0i t\u1ed5ng c\u1ed9ng 490m, trong \u0111\u00f3:<\/p>\n

– C\u1ed1ng tr\u00f2n BTCT f = 1.00m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8 c\u1ed1ng<\/p>\n

– C\u1ed1ng tr\u00f2n BTCT f = 1.25m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 7 c\u1ed1ng<\/p>\n

– C\u1ed1ng tr\u00f2n BTCT f = 1.50m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5 c\u1ed1ng<\/p>\n

– C\u1ed1ng tr\u00f2n BTCT 2f = 1.50m\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 c\u1ed1ng<\/p>\n

T\u1ea3i tr\u1ecdng thi\u1ebft k\u1ebf cho c\u00f4ng tr\u00ecnh l\u00e0 H30 v\u00e0 XB 80.<\/em><\/strong><\/p>\n

KH\u1ed0I L\u01af\u1ee2NG THI C\u00d4NG CH\u00cdNH TR\u00caN TO\u00c0N TUY\u1ebeN<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
TT<\/td>\nH\u1ea1ng m\u1ee5c<\/td>\n\u0110\u01a1n v\u1ecb<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng<\/td>\n<\/tr>\n
I<\/td>\nPh\u1ea7n \u0111\u01b0\u1eddng<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
A<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e0o n\u1ec1n \u0111\u01b0\u1eddng<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
1<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
2<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
B<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng \u0111\u1eafp n\u1ec1n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
1<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
2<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

1.5. C\u00e1c m\u1ecf v\u00e0 ngu\u1ed3n cung c\u1ea5p v\u1eadt li\u1ec7u ch\u1ee7 y\u1ebfu.<\/strong><\/p>\n

1.5.1. \u0110\u1ea5t \u0111\u1eafp<\/em><\/strong><\/p>\n

– Tr\u01b0\u1edbc khi d\u00f9ng \u0111\u1ea5t \u0111\u1ec3 \u0111\u1eafp nh\u00e0 th\u1ea7u s\u1ebd th\u00ed nghi\u1ec7m ki\u1ec3m tra th\u00e0nh ph\u1ea7n c\u01a1 l\u00fd c\u1ee7a \u0111\u1ea5t v\u00e0 \u0111\u1ec7 tr\u00ecnh k\u1ebft qu\u1ea3 l\u00ean k\u1ef9 s\u01b0 TVHT. Tuy nhi\u00ean k\u1ebft qu\u1ea3 kh\u1ea3o s\u00e1t ban \u0111\u1ea7u cho th\u1ea5y \u0111\u1ea5t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng c\u00f3 th\u1ec3 l\u1ea5y t\u1ea1i c\u00e1c m\u1ecf d\u1ecdc hai b\u00ean tuy\u1ebfn t\u1ea1i Km 32 + 50 b\u00ean tr\u00e1i tuy\u1ebfn 100m. Th\u00e0nh ph\u1ea7n \u0111\u1ecba ch\u1ea5t \u0111\u1ea5t \u0111\u00e1 cho th\u1ea5t c\u00f3 th\u1ec3 \u0111i\u1ec1u ph\u1ed1i t\u1eeb n\u1ec1n \u0111\u00e0o sang n\u1ec1n \u0111\u1eafp.<\/p>\n

1.5.2. C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m<\/em><\/strong><\/p>\n

– Nh\u00e0 th\u1ea7u l\u1eafp \u0111\u1eb7t m\u00e1y xay v\u00e0 tr\u1ea1m tr\u1ed9n c\u1ea5p ph\u1ed1i t\u1ea1i H\u00e0 T\u0129nh. T\u1ea1i \u0111\u00e2y v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c say v\u00e0 tr\u1ed9n \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u1ea5p ph\u1ed1i li\u00ean t\u1ee5c theo ch\u1ec9 ti\u00eau c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

1.5.3. C\u00e1t x\u00e2y d\u1ef1ng.<\/em><\/strong><\/p>\n

– C\u00e1t d\u00f9ng cho c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb c\u00e1c m\u1ecf c\u00e1t s\u00f4ng R\u00e0o Tr\u1ed5. C\u1ef1 li v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u00ecnh kho\u1ea3ng 16 km. Ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t, tr\u1eef l\u01b0\u1ee3ng nhi\u1ec1u, m\u1ecf c\u00e1t n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c khai th\u00e1c s\u1eed d\u1ee5ng cho c\u1ea7u R\u00e0o Tr\u1ed5 v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u1ea7u tuy\u1ebfn.<\/p>\n

1.5.4. Th\u00e9p, xi m\u0103ng, nh\u1ef1a \u0111\u01b0\u1eddng.<\/em><\/strong><\/p>\n

– S\u1eaft th\u00e9p, xi m\u0103ng, nh\u1ef1a \u0111\u01b0\u1eddng.<\/p>\n

1.5.5. B\u00ea t\u00f4ng nh\u1ef1a.<\/em><\/strong><\/p>\n

– Nh\u00e0 th\u1ea7u l\u1eafp \u0111\u1eb7t tr\u1ea1m BTN \u1edf H\u00e0 T\u0129nh. B\u00ea t\u00f4ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i tr\u1ea1m cung c\u1ea5p cho c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

1.5.6. V\u1eadt li\u1ec7u kh\u00e1c.<\/em><\/strong><\/p>\n

– C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nh\u01b0 c\u1ee7i, tre n\u1ee9a\u2026 mua t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng.<\/p>\n

 <\/p>\n

PH\u1ea6N II: BI\u1ec6N PH\u00c1P THI C\u00d4NG T\u1ed4NG TH\u1ec2<\/strong><\/p>\n

 <\/p>\n

2.1. C\u0103n c\u1ee9 l\u1eadp thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng:<\/strong><\/p>\n

– C\u0103n c\u1ee9 v\u00e0o c\u00e1c ti\u00eau chu\u1ea9n Nh\u00e0 n\u01b0\u1edbc, ti\u00eau chu\u1ea9n ng\u00e0nh \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e1c C\u01a1 quan ch\u1ee9c n\u0103ng ban h\u00e0nh.<\/p>\n

– C\u0103n c\u1ee9 v\u00e0o quy\u1ebft \u0111\u1ecbnh duy\u1ec7t h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt s\u1ed1 2070\/Q\u0110 – BGTVT ng\u00e0y 15 th\u00e1ng 7 n\u0103m 2003 c\u1ee7a B\u1ed9 giao th\u00f4ng v\u1eadn t\u1ea3i.<\/p>\n

– C\u0103n c\u1ee9 v\u00e0o hi\u1ec7n tr\u1ea1ng tuy\u1ebfn \u0111\u01b0\u1eddng v\u00e0 c\u00e1c s\u1ed1 li\u1ec7u kh\u1ea3o s\u00e1t th\u1ef1c \u0111\u1ecba c\u1ee7a Nh\u00e0 th\u1ea7u.<\/p>\n

– C\u0103n c\u1ee9 v\u00e0o n\u0103ng l\u1ef1c thi\u1ebft b\u1ecb thi c\u00f4ng v\u00e0 n\u0103ng l\u1ef1c c\u1ee7a \u0111\u1ed9i ng\u0169 c\u00e1n b\u1ed9, c\u00f4ng nh\u00e2n l\u00e0nh ngh\u1ec1 c\u1ee7a<\/p>\n

2.2. B\u1ed1 tr\u00ed c\u00e1c m\u0169i thi c\u00f4ng<\/strong><\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng cho c\u00f4ng tr\u00ecnh sau khi nghi\u00ean c\u1ee9u k\u1ef9 c\u00e1c c\u0103n c\u1ee9 thi\u1ebft l\u1eadp t\u1ed5 ch\u1ee9c thi c\u00f4ng nh\u00e0 th\u1ea7u t\u1ed5 ch\u1ee9c c\u00e1c m\u0169i thi c\u00f4ng nh\u01b0 sau:<\/p>\n

– M\u0169i thi c\u00f4ng 1<\/em><\/strong><\/p>\n

Thi c\u00f4ng t\u1ea5t c\u1ea3 c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh t\u1eeb Km 32 \u2013 Km 34 (l\u00fd tr\u00ecnh c\u0169), bao g\u1ed3m c\u00e1c d\u00e2y chuy\u1ec1n sau:<\/p>\n

– Thi c\u00f4ng c\u1ed1ng, t\u01b0\u1eddng ch\u1eafn<\/p>\n

– Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng<\/p>\n

– Thi c\u00f4ng m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng<\/p>\n

– D\u00e2y chuy\u1ec1n ho\u00e0n thi\u1ec7n<\/p>\n

– M\u0169i thi c\u00f4ng 2<\/em><\/strong><\/p>\n

Thi c\u00f4ng t\u1ea5t c\u1ea3 c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh t\u1eeb Km 34 \u2013 Km 35 + 500 (l\u00fd tr\u00ecnh c\u0169), bao g\u1ed3m c\u00e1c d\u00e2y chuy\u1ec1n sau:<\/p>\n

Ph\u1ea7n \u0111\u01b0\u1eddng:<\/u><\/p>\n

– Thi c\u00f4ng c\u1ed1ng, t\u01b0\u1eddng ch\u1eafn<\/p>\n

– Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng<\/p>\n

– Thi c\u00f4ng m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng<\/p>\n

– D\u00e2y chuy\u1ec1n ho\u00e0n thi\u1ec7n<\/p>\n

Ph\u1ea7n c\u1ea7u:<\/u><\/p>\n

a- C\u1ea7u Khe Tr\u00f9<\/p>\n

– Thi c\u00f4ng k\u1ebft c\u1ea5u h\u1ea1 b\u1ed9<\/p>\n

– Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng hai \u0111\u1ea7u c\u1ea7u<\/p>\n

– \u0110\u00fac d\u1ea7m BTCT D\u01afL<\/p>\n

– L\u1eafp \u0111\u1eb7t d\u1ea7m BTCT D\u01afL<\/p>\n

– Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng, m\u1eb7t c\u1ea7u, ho\u00e0n thi\u1ec7n<\/p>\n

b- C\u1ea7u Khe V\u00f2<\/p>\n

– Thi c\u00f4ng k\u1ebft c\u1ea5u h\u1ea1 b\u1ed9<\/p>\n

– Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng hai \u0111\u1ea7u c\u1ea7u<\/p>\n

– \u0110\u00fac d\u1ea7m BTCT D\u01afL<\/p>\n

– L\u1eafp \u0111\u1eb7t d\u1ea7m BTCT D\u01afL<\/p>\n

– Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng, m\u1eb7t c\u1ea7u, ho\u00e0n thi\u1ec7n<\/p>\n

– M\u0169i thi c\u00f4ng 3<\/em><\/strong><\/p>\n

Thi c\u00f4ng t\u1ea5t c\u1ea3 c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh t\u1eeb Km 35 + 500 \u2013 Km 40 (l\u00fd tr\u00ecnh c\u0169), bao g\u1ed3m c\u00e1c d\u00e2y chuy\u1ec1n sau:<\/p>\n

Ph\u1ea7n \u0111\u01b0\u1eddng:<\/u><\/p>\n

– Thi c\u00f4ng c\u1ed1ng, t\u01b0\u1eddng ch\u1eafn<\/p>\n

– Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng<\/p>\n

– Thi c\u00f4ng m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng<\/p>\n

– D\u00e2y chuy\u1ec1n ho\u00e0n thi\u1ec7n<\/p>\n

Ph\u1ea7n c\u1ea7u: C\u1ea7u R\u00e0o m\u1ed1c<\/u><\/p>\n

– Thi c\u00f4ng k\u1ebft c\u1ea5u h\u1ea1 b\u1ed9<\/p>\n

– Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng hai \u0111\u1ea7u c\u1ea7u<\/p>\n

– \u0110\u00fac d\u1ea7m BTCT D\u01afL<\/p>\n

– L\u1eafp \u0111\u1eb7t d\u1ea7m BTCT D\u01afL<\/p>\n

– Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng, m\u1eb7t c\u1ea7u, ho\u00e0n thi\u1ec7n<\/p>\n

2.3. Kh\u1ed1i l\u01b0\u1ee3ng x\u00e2y l\u1eafp c\u1ee7a c\u00e1c m\u0169i thi c\u00f4ng.<\/strong><\/p>\n\n\n\n\n\n\n\n\n
TT<\/td>\nH\u1ea1ng m\u1ee5c<\/td>\n\u0110\u01a1n v\u1ecb<\/td>\nKh\u1ed1i l\u01b0\u1ee3ng<\/td>\n<\/tr>\n
I<\/td>\nM\u0169i th\u1ee9 nh\u1ea5t Km 32 \u2013 Km 34<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
1<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
II<\/td>\nM\u0169i th\u1ee9 hai Km 34 \u2013 Km 35 + 500<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

PH\u1ea6N III. BI\u1ec6N PH\u00c1P THI C\u00d4NG CHI TI\u1ebeT \u0110\u01af\u1edcNG<\/strong><\/p>\n

CH\u01af\u01a0NG I: C\u00d4NG T\u00c1C CHU\u1ea8N B\u1eca<\/u><\/strong><\/p>\n

 <\/p>\n

    \n
  1. C\u00f4ng t\u00e1c giao nh\u1eadn tuy\u1ebfn.<\/strong><\/li>\n<\/ol>\n

    – Ngay sau khi k\u00fd h\u1ee3p \u0111\u1ed3ng x\u00e2y l\u1eafp, nh\u00e0 th\u1ea7u s\u1ebd ph\u1ed1i h\u1ee3p c\u00f9ng v\u1edbi Ban QLDA v\u00e0 TVTK giao nh\u1eadn m\u1eb7t b\u1eb1ng thi c\u00f4ng. Nh\u00e0 th\u1ea7u s\u1ebd c\u1eed c\u00e1c c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt nh\u1eadn c\u00e1c c\u1ecdc m\u1ed1c to\u1ea1 \u0111\u1ed9, cao \u0111\u1ed9, c\u00e1c c\u1ecdc ch\u1ee7 y\u1ebfu, c\u1ecdc chi ti\u1ebft c\u1ee7a tuy\u1ebfn \u0111\u01b0\u1eddng. C\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 th\u1ea7u s\u1ebd d\u00f9ng m\u00e1y to\u00e0n \u0111\u1ea1c \u0111i\u1ec7n t\u1eed \u0111\u1ec3 \u0111o \u0111\u1ea1c ki\u1ec3m tra so s\u00e1nh gi\u1eefa b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf v\u00e0 th\u1ef1c t\u1ebf hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

    – Nh\u00e0 th\u1ea7u c\u00f9ng v\u1edbi Ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 TVGS kh\u1ea3o s\u00e1t l\u1ea1i tuy\u1ebfn bao g\u1ed3m tuy\u1ebfn ch\u00ednh, tuy\u1ebfn tr\u00e1nh v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh ph\u1ee5 tr\u1ee3 kh\u00e1c, tr\u00ecnh c\u00e1c c\u1ea5p c\u00f3 th\u1ea9m quy\u1ec1n ph\u00ea duy\u1ec7t.<\/p>\n

    – Ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c d\u1ea5u c\u1ecdc \u0111\u1ec3 c\u00f3 c\u01a1 s\u1edf kh\u00f4i ph\u1ee5c l\u1ea1i trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u0169ng nh\u01b0 tr\u1ea3 l\u1ea1i c\u1ecdc khi c\u00f4ng tr\u00ecnh ho\u00e0n th\u00e0nh. R\u1ea3i c\u1ecdc m\u1ed1c to\u1ea1 \u0111\u1ed9, cao \u0111\u1ed9 ph\u1ee5 \u0111\u1ec3 qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n

      \n
    1. Chu\u1ea9n b\u1ecb c\u00f4ng tr\u01b0\u1eddng, thi\u1ebft b\u1ecb v\u00e0 nh\u00e2n s\u1ef1<\/strong><\/li>\n<\/ol>\n

      – B\u1ed1 tr\u00ed m\u1eb7t b\u1eb1ng c\u00f4ng tr\u01b0\u1eddng, l\u00e0m nh\u00e0 kho, l\u00e1n tr\u1ea1i\u2026 ph\u1ee5c v\u1ee5 thi c\u00f4ng.<\/p>\n

      – B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 thi c\u00f4ng, chuy\u1ec3n qu\u00e2n \u0111\u1ebfn v\u1ecb tr\u00ed x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh.<\/p>\n

      – T\u1eadp k\u1ebft m\u00e1y m\u00f3c thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 th\u00ed nghi\u1ec7m hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ed3ng b\u1ed9, ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o s\u1ef1 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t c\u1ee7a m\u00e1y m\u00f3c thi\u1ebft b\u1ecb.<\/p>\n

      – Mua s\u1eafm c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng nh\u01b0 t\u1eddi \u0111i\u1ec7n 5T, c\u00e1c lo\u1ea1i k\u00edch c\u0103ng k\u00e9o th\u1ee7y l\u1ef1c, m\u00e1y b\u01a1m v\u1eefa\u2026<\/p>\n

      – Gia c\u00f4ng v\u00e1n khu\u00f4n d\u1ea7m, gia c\u00f4ng v\u00e1n khu\u00f4n lan can, v\u00e1n khu\u00f4n m\u1ed1 tr\u1ee5 c\u1ea7u\u2026 t\u1ea1i c\u00f4ng x\u01b0\u1edfng.<\/p>\n

      – L\u00e0m nh\u00e0 \u1edf c\u00f4ng nh\u00e2n, ph\u00f2ng l\u00e0m vi\u1ec7c \u1edf c\u00f4ng tr\u01b0\u1eddng, b\u00e3i t\u1eadp k\u1ebft v\u1eadt li\u1ec7u, nh\u00e0 kho, x\u01b0\u1edfng, tr\u1ea1m gia c\u00f4ng v\u1eadt li\u1ec7u t\u1ea1i ch\u1ed7. B\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng cho c\u00f4ng tr\u01b0\u1eddng, n\u01b0\u1edbc sinh ho\u1ea1t, n\u01b0\u1edbc thi c\u00f4ng, \u0111i\u1ec7n th\u1eafp s\u00e1ng, \u0111i\u1ec7n s\u1ea3n xu\u1ea5t.<\/p>\n

      – T\u1eadp k\u1ebft v\u1eadt li\u1ec7u t\u1ea1i c\u00f4ng tr\u00ecnh, kh\u1ed1i l\u01b0\u1ee3ng t\u1eadp k\u1ebft \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ph\u00f9 h\u1ee3p v\u1edbi ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng c\u00f3 k\u1ec3 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng d\u1ef1 ph\u00f2ng.<\/p>\n

      – Chu\u1ea9n b\u1ecb c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ea3m b\u1ea3o an to\u00e0n giao th\u00f4ng trong su\u1ed1t c\u1ea3 qu\u00e1 tr\u00ecnh thi c\u00f4ng nh\u01b0 h\u1ec7 th\u1ed1ng \u0111\u00e8n b\u00e1o hi\u1ec7u, c\u1ecdc ti\u00eau, bi\u1ec3n b\u00e1o c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

        \n
      1. L\u00e0m \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5<\/strong><\/li>\n<\/ol>\n

        Do \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111o\u1ea1n tuy\u1ebfn Km 32 \u2013 Km 40 l\u00e0 \u0111\u01b0\u1eddng l\u00e0m m\u1edbi, \u0111\u1ecba h\u00ecnh d\u1ea1ng \u0111\u1ed3i b\u00e1t \u00fap c\u00f3 \u0111\u1ed9 d\u1ecdc v\u00e0 d\u1ed1c ngang l\u1edbn. \u0110\u1ecba h\u00ecnh b\u1ecb c\u1eaft x\u1ebb m\u1ea1nh b\u1edfi h\u1ec7 th\u1ed1ng s\u00f4ng su\u1ed1i d\u00e0y \u0111\u1eb7c. H\u1ec7 th\u1ed1ng giao th\u00f4ng h\u1ea7u nh\u01b0 ch\u01b0a c\u00f3, C\u00f4ng t\u00e1c v\u1eadn chuy\u1ec3n nh\u00e2n l\u1ef1c, thi\u1ebft b\u1ecb v\u00e0 v\u1eadt t\u01b0 thi c\u00f4ng r\u1ea5t kh\u00f3 kh\u0103n n\u00ean c\u00f4ng t\u00e1c l\u00e0m \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 h\u1ebft s\u1ee9c c\u1ea7n thi\u1ebft.<\/p>\n

        – B\u1ed1 tr\u00ed \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 b\u00e1m theo \u0111\u01b0\u1eddng l\u00e2m nghi\u1ec7p c\u0169 \u0111\u1ebfn \u0111\u1ea7u tuy\u1ebfn. T\u1eeb Km 32 ti\u1ebfp t\u1ee5c m\u1edf \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 theo \u0111\u01b0\u1eddng l\u00e2m nghi\u1ec7p \u0111\u1ebfn km 33. T\u1eeb Km 33 m\u1edf \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 b\u00e1m theo \u0111\u1ecba h\u00ecnh \u0111\u1ebfn Km 35 + 500. Sau khi m\u1edf \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 Nh\u00e0 th\u1ea7u c\u00f3 th\u1ec3 tri\u1ec3n khai 3 m\u0169i thi c\u00f4ng \u0111\u1ed3ng th\u1eddi nh\u01b0 \u0111\u00e3 b\u1ed1 tr\u00ed trong ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng t\u1ed5ng th\u1ec3. \u0110\u01b0\u1eddng c\u00f4ng v\u1ee5 \u0111\u01b0\u1ee3c thi c\u00f4ng b\u1eb1ng m\u00e1y \u0111\u00e0o, m\u00e1y \u1ee7i k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. \u0110\u01b0\u1eddng c\u00f4ng v\u1ee5 \u0111\u1ea3m b\u1ea3o c\u00e1c y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ec3 xe ch\u1ea1y an to\u00e0n, \u0111\u1ea3m b\u1ea3o giao th\u00f4ng t\u1ed1t v\u00e0 ph\u1ee5c v\u1ee5 t\u1ed1t cho c\u00f4ng t\u00e1c thi c\u00f4ng.<\/p>\n

          \n
        1. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb, ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u.<\/strong><\/li>\n<\/ol>\n

          Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh kh\u1ea3o s\u00e1t v\u1eadt t\u01b0 theo y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n. th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a v\u1eadt li\u1ec7u, v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c ch\u1ec9 ti\u00eau v\u1eadt li\u1ec7u y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n. C\u00e1c ch\u1ec9 v\u1eadt li\u1ec7u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 TVGS ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

          4.1. Xi m\u0103ng<\/em><\/strong><\/p>\n

          – Xi m\u0103ng d\u00f9ng \u0111\u1ec3 thi c\u00f4ng c\u00f4ng tr\u00ecnh l\u00e0 lo\u1ea1i xi m\u0103ng Po\u00f3cl\u0103ng th\u00f4ng th\u01b0\u1eddng c\u00f3 c\u00e1c \u0111\u1eb7c tr\u01b0ng k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n Vi\u1ec7t Nam hi\u1ec7n h\u00e0nh. Xi m\u0103ng khi s\u1eed d\u1ee5ng b\u1ea3o \u0111\u1ea3m t\u01a1i m\u1ecbn kh\u00f4ng v\u00f3n c\u1ee5c.<\/p>\n

          Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ec9 ti\u00eau c\u1ee7a xi m\u0103ng nh\u01b0 c\u01b0\u1eddng \u0111\u1ed9, th\u1eddi gian \u0111\u00f4ng k\u1ebft, tr\u1ecdng l\u01b0\u1ee3ng th\u1ec3 t\u00edch\u2026<\/p>\n

          – Nh\u00e0 th\u1ea7u ch\u1ec9 s\u1eed d\u1ee5ng m\u1ed9t nh\u00e3n hi\u1ec7u c\u1ee7a lo\u1ea1i xi m\u0103ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau v\u00e0 \u0111\u01b0\u1ee3c TVGS nh\u1ea5t tr\u00ed. B\u1ea3o qu\u1ea3n xi m\u0103ng c\u1ea9n th\u1eadn trong kho \u0111\u01b0\u1ee3c che ch\u1eafn m\u01b0a n\u1eafng, k\u00ea cao ph\u00f2ng \u1ea9m c\u1ea9n th\u1eadn tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/p>\n

          4.2. N\u01b0\u1edbc:<\/em><\/strong><\/p>\n

          – N\u01b0\u1edbc d\u00f9ng cho b\u00ea t\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 nh\u1ea5t tr\u00ed c\u1ee7a k\u1ef9 s\u01b0 TVHT. N\u01b0\u1edbc s\u1eed d\u1ee5ng kh\u00f4ng c\u00f3 v\u00e1ng d\u1ea7u m\u1ee1, kh\u00f4ng m\u00e0u. Th\u00ed nghi\u1ec7m ki\u1ec3m tra th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a n\u01b0\u1edbc, th\u00e0nh ph\u1ea7n t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i v\u00e0 l\u01b0\u1ee3ng ch\u1ea5t h\u1eefu c\u01a1 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh. Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m so s\u00e1nh b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1eed xi m\u0103ng ti\u00eau chu\u1ea9n v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 th\u1eddi gian ninh k\u1ebft c\u1ee7a m\u1eabu tr\u1ed9n b\u1eb1ng n\u01b0\u1edbc \u1edf hi\u1ec7n tr\u01b0\u1eddng so v\u1edbi m\u1eabu s\u1eed d\u1ee5ng n\u01b0\u1edbc c\u1ea5t. Khi k\u1ebft qu\u1ea3 ch\u1ec9 c\u00f3 sai s\u1ed1 nh\u1ecf \u0111\u01b0\u1ee3c TVHT ch\u1ea5p nh\u1eadn m\u1edbi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ngu\u1ed3n n\u01b0\u1edbc.<\/p>\n

          4.3. C\u00e1t.<\/em><\/strong><\/p>\n

          – Th\u00e0nh ph\u1ea7n h\u1ea1t ph\u1ea3i \u0111\u00fang theo quy \u0111\u1ecbnh thi\u1ebft k\u1ebf. Th\u00ed nghi\u1ec7m ki\u1ec3m tra th\u00e0nh ph\u1ea7n h\u1ea1t b\u1eb1ng ph\u00e2n t\u00edch s\u00e0ng l\u00e0m theo ti\u00eau chu\u1ea9n AASHTO \u2013 T27. H\u00e0m l\u01b0\u1ee3ng m\u00f9n, h\u1eefu c\u01a1 c\u0169ng nh\u01b0 h\u00e0m l\u01b0\u1ee3ng c\u00e1c t\u1ea1p ch\u1ea5t c\u00f3 h\u1ea1i kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n quy \u0111\u1ecbnh.<\/p>\n

          4.4. C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m c\u00e1c lo\u1ea1i.<\/em><\/strong><\/p>\n

          – C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh sau khi tr\u1ed9n t\u1ea1i b\u00e3i t\u1eadp k\u1ebft g\u1ed3m \u0111\u00e1 xay v\u00e0 v\u1eadt li\u1ec7u kh\u00e1c theo nguy\u00ean t\u1eafc c\u1ea5p ph\u1ed1i li\u00ean t\u1ee5c. Tr\u01b0\u1edbc khi l\u1ea5y m\u1eabu c\u1ea5p ph\u1ed1i ti\u1ebfn h\u00e0nh c\u00e1c th\u00ed nghi\u1ec7m, c\u1ea5p ph\u1ed1i ph\u1ea3i \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

          – \u0110\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau v\u1ec1 h\u00e0m l\u01b0\u1ee3ng s\u00e9t, h\u00e0m l\u01b0\u1ee3ng h\u1ea1t thoi d\u1eb9t, ch\u1ec9 ti\u00eau Los \u2013 Angeles, ch\u1ec9 ti\u00eau CBR\u2026 C\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m (CP\u0110D) 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. S\u1ea3n ph\u1ea9m CP\u0110D \u0111\u1ea3m b\u1ea3o 6 ch\u1ec9 ti\u00eau n\u00eau trong b\u1ea3ng sau:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          I. Th\u00e0nh ph\u1ea7n h\u1ea1t (th\u00ed nghi\u1ec7m theo TCVN 4198 \u2013 95)<\/td>\n<\/tr>\n
          K\u00edch c\u1ee1 l\u1ed7 s\u00e0ng vu\u00f4ng<\/td>\nT\u1ef7 l\u1ec7 % l\u1ecdt qua s\u00e0ng<\/td>\n<\/tr>\n
          <\/td>\nDmax = 50 mm<\/td>\nDmax = 37,5 mm<\/td>\nDmax = 25 mm<\/td>\nGhi ch\u00fa<\/td>\n<\/tr>\n
          50<\/td>\n100<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
          37,5<\/td>\n70 \u2013 100<\/td>\n100<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
          25,0<\/td>\n50 \u2013 85<\/td>\n72 \u2013 100<\/td>\n100<\/td>\n<\/td>\n<\/tr>\n
          12,5<\/td>\n30 \u2013 65<\/td>\n38 \u2013 69<\/td>\n50 \u2013 85<\/td>\n<\/td>\n<\/tr>\n
          4,75<\/td>\n22 \u2013 50<\/td>\n26 \u2013 55<\/td>\n35 \u2013 50<\/td>\n<\/td>\n<\/tr>\n
          2,0<\/td>\n15 \u2013 40<\/td>\n19 \u2013 43<\/td>\n25 \u2013 50<\/td>\n<\/td>\n<\/tr>\n
          0,425<\/td>\n8 \u2013 20<\/td>\n9 \u2013 24<\/td>\n15 \u2013 30<\/td>\n<\/td>\n<\/tr>\n
          0,075<\/td>\n2 \u2013 8<\/td>\n2 \u2013 10<\/td>\n5 \u2013 15<\/td>\n<\/td>\n<\/tr>\n
          II. Ch\u1ec9 ti\u00eau Los-Angeles (L.A) (Th\u00ed nghi\u1ec7m AASHTO T96)<\/td>\n<\/tr>\n
          <\/td>\nM\u00f3ng tr\u00ean<\/td>\nM\u00f3ng d\u01b0\u1edbi<\/td>\n<\/tr>\n
          Lo\u1ea1i I<\/td>\n\u00a3 35<\/td>\nKh\u00f4ng d\u00f9ng<\/td>\n<\/tr>\n
          Lo\u1ea1i II<\/td>\n\u00a3 35<\/td>\n\u00a3 40<\/td>\n<\/tr>\n
          Ch\u1ec9 ti\u00eau Atterberg (Th\u00ed nghi\u1ec7m theo TCVN 4197 \u2013 95)<\/td>\n<\/tr>\n
          <\/td>\nGi\u1edbi h\u1ea1n ch\u1ea3y W1<\/td>\nCh\u1ec9 s\u1ed1 d\u1ebbo Wn<\/td>\n<\/tr>\n
          Lo\u1ea1i I<\/td>\nKh\u00f4ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c<\/td>\nKh\u00f4ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c<\/td>\n<\/tr>\n
          Lo\u1ea1i II<\/td>\nKh\u00f4ng l\u1edbn h\u01a1n 25<\/td>\nKh\u00f4ng l\u1edbn h\u01a1n 6<\/td>\n<\/tr>\n
          III. H\u00e0m l\u01b0\u1ee3ng s\u00e9t \u2013 ch\u1ec9 ti\u00eau ES (Th\u00ed nghi\u1ec7m theo TCVN 4197 \u2013 86)<\/td>\n<\/tr>\n
          Lo\u1ea1i I<\/td>\nES > 35<\/td>\n<\/td>\n<\/tr>\n
          Lo\u1ea1i II<\/td>\nES > 30<\/td>\n<\/td>\n<\/tr>\n
          IV. Ch\u1ec9 ti\u00eau CBR (Th\u00ed nghi\u1ec7m AASHTO T 193)<\/td>\n<\/tr>\n
          Lo\u1ea1i I<\/td>\nCBR \u00b3 100 v\u1edbi k = 0,98 ng\u00e2m n\u01b0\u1edbc 4 ng\u00e0y \u0111\u00eam<\/td>\n<\/tr>\n
          Lo\u1ea1i II<\/td>\nCBR \u00b3 80 v\u1edbi k = 0,98 ng\u00e2m n\u01b0\u1edbc 4 ng\u00e0y \u0111\u00eam<\/td>\n<\/tr>\n
          V. H\u00e0m l\u01b0\u1ee3ng h\u1ea1t d\u1eb9t (Th\u00ed nghi\u1ec7m theo 22 TCN 57 \u2013 84)<\/td>\n<\/tr>\n
          Lo\u1ea1i I<\/td>\nKh\u00f4ng qu\u00e1 10%<\/td>\n<\/tr>\n
          Lo\u1ea1i II<\/td>\nKh\u00f4ng qu\u00e1 15%<\/td>\n<\/tr>\n
          <\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          4.5. Nh\u1ef1a \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

          – Nh\u1ef1a \u0111\u01b0\u1eddng s\u1eed d\u1ee5ng l\u00e0 lo\u1ea1i nh\u1ef1a \u0111\u1eb7c g\u1ed1c d\u1ea7u m\u1ecf. Th\u00ed nghi\u1ec7m ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a nh\u1ef1a t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m. Nh\u1ef1a ph\u1ea3i c\u00e1c ch\u1ec9 ti\u00eau kh\u00e1c nh\u01b0 \u0111\u1ed9 kim l\u00fan, nhi\u1ec7t \u0111\u1ed9 ch\u00e1y, \u0111\u1ed9 d\u00ednh b\u00e1m c\u1ee7a nh\u1ef1a v\u1edbi c\u1ed1t li\u1ec7u\u2026 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh. Nh\u1ef1a \u0111\u01b0\u1eddng kh\u00f4ng l\u1eabn n\u01b0\u1edbc ho\u1eb7c b\u1ea5t k\u1ef3 t\u1ea1p ch\u1ea5t n\u00e0o kh\u00e1c, c\u00e1c ti\u00eau chu\u1ea9n c\u01a1 l\u00fd ph\u00f9 h\u1ee3p v\u1edbi ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c TVGS ki\u1ec3m tra ch\u1ea5p thu\u1eadn tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

          4.6. C\u1ed1t th\u00e9p<\/em><\/strong><\/p>\n

          – C\u1ed1t th\u00e9p th\u01b0\u1eddng \u0111\u00fang ch\u1ee7ng lo\u1ea1i s\u1ea3n xu\u1ea5t t\u1ea1i c\u01a1 s\u1edf qu\u1ed1c doanh. C\u1ed1t th\u00e9p D\u01afL \u0111\u01b0\u1ee3c nh\u1eadp ngo\u1ea1i \u0111\u00fang ch\u1ee7ng lo\u1ea1i, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng theo \u0111\u00fang y\u00eau c\u1ea7u thi\u1ebft k\u1ebf. C\u1ee9 m\u1ed7i lo\u1ea1i th\u00e9p kh\u00e1c nhau ho\u1eb7c 20 t\u1ea5n th\u00e9p c\u00f9ng lo\u1ea1i ph\u1ea3i l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu th\u00ed nghi\u1ec7m g\u1ed3m 3 m\u1eabu u\u1ed1n ngu\u1ed9i, 3 m\u1eabu k\u00e9o \u0111\u1ee9t, 3 m\u1eabu th\u00ed nghi\u1ec7m h\u00e0n \u0111i\u1ec7n.<\/p>\n

          – L\u00f4 th\u00e9p s\u1eed d\u1ee5ng ph\u1ea3i c\u00f3 phi\u1ebfu l\u00fd l\u1ecbch c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p kh\u00e1c Nh\u00e0 th\u1ea7u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m ki\u1ec3m tra \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng m\u1eabu, \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau theo ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c TVGS ki\u1ec3m tra ch\u1ea5p thu\u1eadn tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

          4.7. T\u1ec9 ph\u1ed1i v\u1eefa xi m\u0103ng, BTXM & BTN<\/em><\/strong><\/p>\n

          – V\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o m\u1eabu ph\u1ea3i c\u00f3 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd \u0111\u1ea3m b\u1ea3o ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y ph\u1ea7n tr\u00ean.<\/p>\n

          – Th\u00ed nghi\u1ec7m v\u1eefa xi m\u0103ng, BTXM theo m\u00e1c thi\u1ebft k\u1ebf, th\u00ed nghi\u1ec7m ki\u1ec3m tra BTN h\u1ea1t th\u00f4 v\u00e0 BTN h\u1ea1t m\u1ecbn theo t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 TVGS ph\u00ea duy\u1ec7t. Nh\u00e0 th\u1ea7u tri\u1ec3n khai thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c theo t\u1ef7 ph\u1ed1i thi\u1ebft k\u1ebf.<\/p>\n

          4.8. \u0110\u1ea5t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

          – \u0110\u1ea5t l\u1eabn s\u1ecfi v\u00e0 \u0111\u1ea5t s\u1ecfi ong s\u1eed d\u1ee5ng t\u1ed1t \u0111\u1ec3 \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng. \u0110\u1ea5t l\u1eabn s\u1ecfi c\u00f3 nhi\u1ec1u tr\u00ean tuy\u1ebfn th\u00edch h\u1ee3p v\u1edbi \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng. Tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng t\u1eebng l\u00f4 \u0111\u1ea5t Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh l\u00e0m c\u00e1c th\u00ed nghi\u1ec7m \u0111\u1ea5t \u0111\u1eafp, m\u1ed7i lo\u1ea1i \u0111\u1ea5t m\u00e0 nh\u00ecn b\u1eb1ng m\u1eaft th\u1ea5t h\u01a1i kh\u00e1c l\u00e0m m\u1ed9t t\u1ed5 m\u1eabu th\u00ed nghi\u1ec7m \u00edt nh\u1ea5t g\u1ed3m 3 m\u1eabu, n\u1ebfu c\u00f9ng m\u1ed9t lo\u1ea1i \u0111\u1ea5t th\u00ec c\u1ee9 5.000 m3<\/sup> \u0111\u1ea5t khai th\u00e1c ph\u1ea3i l\u00e0m m\u1ed9t t\u1ed5 m\u1eabu.<\/p>\n

          – Khi l\u1ea5y m\u1eabu v\u00e0 l\u00e0m th\u00ed nghi\u1ec7m, Nh\u00e0 th\u1ea7u ph\u1ea3i b\u00e1o c\u00e1o cho T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t bi\u1ebft \u0111\u1ec3 c\u00f9ng tham gia l\u1eadp ch\u1ee9ng ch\u1ec9, v\u1eadt li\u1ec7u \u0111\u1eafp tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

           <\/p>\n

          CH\u01af\u01a0NG II. THI C\u00d4NG C\u1ed0NG, T\u01af\u1edcNG CH\u1eaeN<\/strong><\/p>\n

           <\/p>\n

            \n
          1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG V\u00c0 \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/strong><\/li>\n<\/ol>\n

            – Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 \u0111\u1ec3 thi c\u00f4ng. Nh\u1eefng v\u1ecb tr\u00ed c\u1ed1ng c\u00f3 \u0111\u01b0\u1eddng tr\u00e1nh c\u00f4ng v\u1ee5 Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh thi c\u00f4ng c\u00f9ng l\u00fac to\u00e0n b\u1ed9 c\u1ed1ng. Nh\u1eefng v\u1ecb tr\u00ed c\u1ed1ng c\u00f3 ph\u1ea3i \u0111\u1ea3m b\u1ea3o giao th\u00f4ng Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng m\u1ed9t n\u1eeda c\u1ed1ng h\u1ea1 l\u01b0u tr\u01b0\u1edbc. K\u1ebft h\u1ee3p \u0111\u1ed3ng th\u1eddi thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn v\u00e0 c\u1ed1ng. B\u1ed1 tr\u00ed \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 thi c\u00f4ng ph\u00eda th\u01b0\u1ee3ng l\u01b0u. Sau \u0111\u00f3 m\u1edbi thi c\u00f4ng n\u1eeda c\u1ed1ng c\u00f2n l\u1ea1i ph\u1ea7n h\u1ea1 l\u01b0u.<\/p>\n

              \n
            1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n<\/ol>\n

              1- Thi c\u00f4ng c\u1ed1ng.<\/strong><\/p>\n

              1.1. Chu\u1ea9n b\u1ecb c\u1ea5u ki\u1ec7n \u0111\u00fac s\u1eb5n<\/em><\/strong><\/p>\n

              – \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, \u0111\u1ed1t c\u1ed1ng v\u00e0 c\u1ea5u ki\u1ec7n \u0111\u00fac s\u1eb5n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7. Nh\u00e0 th\u1ea7u s\u1ebd m\u1eddi ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 TVGS ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m, khi \u0111\u1ed1t c\u1ed1ng \u0111\u01b0\u1ee3c TVGS v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0 s\u1ef1 nghi\u1ec7m thu ch\u1ea5t l\u01b0\u1ee3ng Nh\u00e0 th\u1ea7u m\u1edbi \u0111em thi c\u00f4ng.<\/p>\n

              – V\u1eadn chuy\u1ec3n \u0111\u1ed1t c\u1ed1ng \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4. Qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n c\u0169ng nh\u01b0 t\u1eadp k\u1ebft t\u1ea1i c\u00f4ng tr\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1eb1ng bu\u1ed9c c\u1ea9n th\u1eadn kh\u00f4ng b\u1ecb s\u1ee9t m\u1ebb h\u01b0 h\u1ecfng.<\/p>\n

              1.2. \u0110\u00e0o h\u1ed1 m\u00f3ng c\u1ed1ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng:<\/em><\/strong><\/p>\n

              Tr\u00ecnh t\u1ef1 thi c\u00f4ng:<\/p>\n

              – X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc h\u1ed1 m\u00f3ng. C\u00f4ng t\u00e1c n\u00e0y do k\u1ef9 s\u01b0 c\u1ee7a nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh d\u1ef1a tr\u00ean c\u00e1c c\u1ecdc m\u1ed1c to\u1ea1 \u0111\u1ed9 v\u00e0 cao \u0111\u1ed9. Nh\u00e0 th\u1ea7u s\u1ebd s\u1eed d\u1ee5ng m\u00e1y kinh v\u0129, m\u00e1y th\u1ee7y b\u00ecnh v\u00e0 th\u01b0\u1edbc th\u00e9p \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c n\u00e0y.<\/p>\n

              – S\u1eed d\u1ee5ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. B\u00f9n v\u00e0 \u0111\u1ea5t th\u1ea3i kh\u00f4ng t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u s\u1ebd v\u1eadn chuy\u1ec3n \u0111\u1ed5 \u0111i \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh b\u1eb1ng \u00f4 t\u00f4. \u0110\u00e0o \u0111\u1ea5t t\u1ea1o th\u00e0nh h\u1ed1 m\u00f3ng \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf, ch\u1ec9nh s\u1eeda ch\u00ednh x\u00e1c v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

              – Trong qu\u00e1 tr\u00ecnh \u0111\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng lu\u00f4n lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c tho\u00e1t n\u01b0\u1edbc m\u1eb7t. T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed c\u00f3 n\u01b0\u1edbc m\u1eb7t nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh \u0111\u00f3ng c\u1ecdc c\u1eeb v\u00e0 l\u00e0m v\u00f2ng v\u00e2y ng\u0103n n\u01b0\u1edbc. Khi \u0111\u00e0o s\u00e2u h\u1ed1 m\u00f3ng, n\u1ebfu c\u00f3 n\u01b0\u1edbc ng\u1ea7m th\u1ea5m v\u00e0o h\u1ed1 m\u00f3ng Nh\u00e0 th\u1ea7u s\u1ebd b\u1ed1 tr\u00ed \u0111\u00e0o r\u00e3nh thu n\u01b0\u1edbc v\u00e0 b\u01a1m n\u01b0\u1edbc b\u1eb1ng m\u00e1y b\u01a1m.<\/p>\n

              – H\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c \u0111\u00e0o \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 c\u00f3 th\u1ec3 thi c\u00f4ng. V\u00e1ch h\u1ed1 m\u00f3ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh b\u1eb1ng c\u00e1ch t\u1ea1o m\u00e1i d\u1ed1c tu\u1ef3 theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p m\u00e1i d\u1ed1c kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u00f3ng c\u1ecdc v\u00e1n \u0111\u1ec3 ch\u1ed1ng v\u00e1ch.<\/p>\n

              – Khi \u0111\u00e0o \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y m\u00f3ng n\u1ebfu c\u00f3 ph\u00e1t hi\u1ec7n \u0111\u1ecba ch\u1ea5t y\u1ebfu kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, Nh\u00e0 th\u1ea7u s\u1ebd xin \u00fd ki\u1ebfn c\u1ee7a k\u1ef9 s\u01b0 TVHT \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd.<\/p>\n

              – Khi h\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu nh\u00e0 th\u1ea7u tri\u1ec3n khai thi c\u00f4ng m\u00f3ng c\u1ed1ng.<\/p>\n

              1.3. Thi c\u00f4ng l\u1edbp \u0111\u1ec7m, m\u00f3ng v\u00e0 th\u00e2n c\u1ed1ng tr\u00f2n.<\/em><\/strong><\/p>\n

              – V\u1eadt li\u1ec7u \u0111\u00e1 d\u0103m m\u00f3ng c\u1ed1ng c\u00f3 phi\u1ebfu th\u00ed nghi\u1ec7m v\u00e0 c\u00f3 c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

              – \u0110\u00e1 d\u0103m \u0111\u1ec7m \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4. Ti\u1ebfn h\u00e0nh san r\u1ea3i v\u1eadt li\u1ec7u th\u00e0nh l\u1edbp \u0111\u1ed3ng \u0111\u1ec1u b\u1eb1ng th\u1ee7 c\u00f4ng. D\u00f9ng \u0111\u1ea7m c\u00f3c ti\u1ebfn h\u00e0nh \u0111\u1ea7m n\u00e9n \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n

              – Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh x\u00e2y \u0111\u00e1 m\u00f3ng c\u1ed1ng, ho\u1eb7c thi c\u00f4ng l\u1edbp \u0111\u00e1 d\u0103m m\u00f3ng c\u1ed1ng b\u1eb1ng th\u1ee7 c\u00f4ng theo thi\u1ebft k\u1ebf theo t\u1eebng c\u1ed1ng \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n

              1.4. L\u1eafp \u0111\u1eb7t \u0111\u1ed1t c\u1ed1ng.<\/em><\/strong><\/p>\n

              – \u0110\u1ed1t c\u1ed1ng \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu nh\u00e0 th\u1ea7u m\u1edbi ti\u1ebfn h\u00e0nh l\u1eafp \u0111\u1eb7t. L\u1eafp \u0111\u1eb7t \u0111\u1ed1t c\u1ed1ng b\u1eb1ng c\u1ea7n tr\u1ee5c k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. C\u00e1c \u0111\u1ed1t c\u1ed1ng \u0111\u01b0\u1ee3c gh\u00e9p s\u00e1t v\u00e0o nhau c\u1ea9n th\u1eadn \u0111\u00fang tim c\u1ed1ng. \u0110\u1ea7u \u0111\u1ed1t c\u1ed1ng c\u00f3 g\u1edd \u0111\u1eb7t \u1edf ph\u00eda th\u01b0\u1ee3ng l\u01b0u, \u0111\u1ea7u c\u00f3 m\u1ed9ng l\u1eafp ho\u00e0n to\u00e0n v\u00e0o \u0111\u1ea7u c\u00f3 g\u1edd. Khi l\u1eafp \u0111\u1eb7t ph\u1ea3i tr\u1ea3i v\u1eefa xi m\u0103ng m\u1ed1i n\u1ed1i \u0111\u1ee7 no v\u1eefa. T\u1ea1o ph\u1eb3ng m\u1eb7t trong cho m\u1ed1i n\u1ed1i. C\u00e1c \u0111\u1ed1t n\u00f3ng k\u1ebf ti\u1ebfp c\u0169ng ti\u1ebfn h\u00e0nh t\u01b0\u01a1ng t\u1ef1.<\/p>\n

              – Thi c\u00f4ng l\u1edbp ph\u00f2ng n\u01b0\u1edbc c\u1ee7a t\u1eebng c\u1ed1ng theo \u0111\u00fang y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

              – Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh b\u1ed1 tr\u00ed thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c kh\u00e1c nh\u01b0 ch\u00e2n khay, h\u1ed1 thu, s\u00e2n c\u1ed1ng\u2026 theo \u0111\u00fang quy tr\u00ecnh \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

              1.5. \u0110\u1eafp tr\u1ea3 hai b\u00ean v\u00e0 tr\u00ean c\u1ed1ng:<\/em><\/strong><\/p>\n

              – C\u00f4ng t\u00e1c \u0111\u1eafp \u0111\u1ea5t hai b\u00ean c\u1ed1ng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1eafp b\u1eb1ng th\u1ee7 c\u00f4ng. \u0110\u1ea5t \u0111\u1eafp l\u00e0 t\u1ed1t c\u00f3 th\u00e0nh ph\u1ea7n h\u1ea1t th\u00edch h\u1ee3p, s\u1ee9c ch\u1ecbu t\u1ea3i t\u1ed1t ho\u1eb7c \u0111\u1ea5t ch\u1ed1ng th\u1ea5m \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m v\u00e0 c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a TVGS.<\/p>\n

              – Khi \u0111\u1eafp \u0111\u1ea5t hai b\u00ean c\u1ed1ng \u0111\u1ed1i x\u1ee9ng v\u00e0 ti\u1ebfn h\u00e0nh \u0111\u1eafp t\u1eebng l\u1edbp m\u1ed9t, m\u1ed7i l\u1edbp \u0111\u1ea5t sau khi \u0111\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c MIKASA t\u1eeb 15 \u2013 20 cm.<\/p>\n

              – \u0110\u1eafp \u0111\u1ea5t th\u1ee7 c\u00f4ng cao h\u01a1n \u0111\u1ec9nh c\u1ed1ng 0.5m v\u00e0 \u0111\u1eafp sang hai b\u00ean t\u1ed1i thi\u1ec3u b\u1eb1ng 1.5 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng t\u00ednh t\u1eeb t\u00e2m \u1ed1ng. C\u00e1c l\u1edbp ph\u00e1i tr\u00ean c\u1ed1ng c\u00e1ch 0.5m tr\u1edf l\u00ean \u0111\u01b0\u1ee3c thi c\u00f4ng c\u00f9ng c\u00e1c l\u1edbp n\u1ec1n \u0111\u01b0\u1eddng. C\u00e1c l\u1edbp m\u00f3ng v\u00e0 m\u1eb7t \u0111\u01b0\u1eddng tr\u00ean c\u1ed1ng thi c\u00f4ng c\u00f9ng v\u1edbi ph\u1ea7n m\u00f3ng \u0111\u01b0\u1eddng v\u00e0 m\u1eb7t \u0111\u01b0\u1eddng. K\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng tr\u00ean c\u1ed1ng \u0111\u01b0\u1ee3c thi c\u00f4ng c\u00f9ng v\u1edbi k\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf.<\/p>\n

                \n
              1. Thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn.<\/strong><\/li>\n<\/ol>\n

                2.1. \u0110\u1ecbnh v\u1ecb v\u00e0 \u0111\u00e0o h\u1ed1 m\u00f3ng.<\/em><\/strong><\/p>\n

                Thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn k\u1ebft h\u1ee3p v\u1edbi c\u00f4ng t\u00e1c thi c\u00f4ng c\u1ed1ng v\u00ec m\u1ed9t s\u1ed1 v\u1ecb tr\u00ed t\u01b0\u1eddng ch\u1eafn c\u00f3 \u0111\u1eb7t c\u1ed1ng tr\u00f2n xuy\u00ean qua. C\u00f4ng t\u00e1c thi c\u00f4ng t\u01b0\u1eddng ch\u1eafn \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi thi c\u00f4ng c\u1ed1ng tr\u00ean hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

                – \u0110\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng.<\/p>\n

                – \u0110\u00e0o \u0111\u1ea5t b\u1eb1ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. Bi\u1ec7n ph\u00e1p thi c\u00f4ng h\u1ed1 m\u00f3ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng m\u00f3ng c\u1ed1ng.<\/p>\n

                2.2. \u0110\u1ed5 b\u00ea t\u00f4ng t\u01b0\u1eddng ch\u1eafn<\/em><\/strong><\/p>\n

                V\u00e1n khu\u00f4n \u0111\u1ed5 b\u00ea t\u00f4ng:<\/p>\n

                – V\u00e1n khu\u00f4n s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh l\u00e0 v\u00e1n khu\u00f4n th\u00e9p. Chi\u1ec1u d\u00e0y t\u1ea5m v\u00e1n khu\u00f4n, k\u00edch th\u01b0\u1edbc, c\u1ef1 ly c\u00e1c thanh n\u1eb9p ngang, d\u1ecdc, thanh ch\u1ed1ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e0n ch\u1ecbu t\u1ea3i tr\u1ecdng thi c\u00f4ng \u0111\u1ed5 b\u00ea t\u00f4ng, V\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ebft c\u00e1u, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng, b\u1ec1 m\u1eb7t nh\u1eb5n m\u1ecbn b\u1ea3o \u0111\u1ea3m k\u00edch th\u00edch h\u00ecnh h\u1ecdc c\u1ee7a k\u1ebft c\u1ea5u.<\/p>\n

                – \u0110\u1ed9 cong c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu u\u1ed1n c\u1ee7a v\u00e1n khu\u00f4n d\u01b0\u1edbc t\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c lo\u1ea1i l\u1ef1c ch\u1ee7 y\u1ebfu l\u00e0 l\u1ef1c th\u1eb3ng \u0111\u1ee9ng v\u00e0 n\u1eb1m ngang. Kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1\/400 chi\u1ec1u d\u00e0i t\u00ednh to\u00e1n \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u1eb7t ngo\u00e0i v\u00e0 1\/250 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c che khu\u1ea5t.<\/p>\n

                – Tr\u01b0\u1edbc khi l\u1eafp d\u1ef1ng, v\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c v\u1ec7 sinh s\u1ea1ch s\u1ebd, lau d\u1ea7u ch\u1ed1ng b\u00e1m.<\/p>\n

                – L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n b\u1eb1ng th\u1ee7 c\u00f4ng. V\u00e1n khu\u00f4n n\u1eb7ng \u0111\u01b0\u1ee3c l\u1eafp d\u1ef1ng b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u00e1n khu\u00f4n b\u1eb1ng bu l\u00f4ng thi c\u00f4ng.<\/p>\n

                – L\u1eafp d\u1ef1ng \u0111\u00e0 gi\u00e1o, v\u0103ng ch\u1ed1ng b\u1ea3o \u0111\u1ea3m s\u1ef1 \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n trong khi \u0111\u1ed5 b\u00ea t\u00f4ng. B\u1ed1 tr\u00ed c\u00e1c thanh n\u00eam \u0111\u1ec3 d\u1ec5 d\u00e0ng th\u00e1o d\u1ee1 \u0111\u00e0 gi\u00e1o v\u00e1n khu\u00f4n sau khi b\u00ea t\u00f4ng \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 cho ph\u00e9p.<\/p>\n

                – Sau khi l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n k\u00edn kh\u00edt kh\u00f4ng \u0111\u1ec3 ch\u1ea3y m\u1ea5t v\u1eefa trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                \u0110\u1ed5 b\u00ea t\u00f4ng:<\/p>\n

                – Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u1ed5 h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng v\u00e0o k\u1ebft c\u1ea5u ph\u1ea3i ki\u1ec3m tra \u0111a gi\u00e1o, v\u00e1n khu\u00f4n, c\u00f3 phi\u1ebfu th\u00ed nghi\u1ec7m v\u1ec1 c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng, c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u: xi m\u0103ng, c\u00e1t, \u0111\u00e1, th\u00e9p, n\u01b0\u1edbc\u2026 \u0111\u01b0\u1ee3c TVGS v\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p nh\u1eadn. L\u1eadp bi\u00ean b\u1ea3n nghi\u1ec7m thu t\u1ed5ng th\u1ec3 c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng theo bi\u1ec3u m\u1eabu c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                – Tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n. C\u1ea5p c\u1ed1t li\u1ec7u b\u1eb1ng c\u00e1c h\u1ed9p \u0111ong c\u1ed1t li\u1ec7u. Ph\u1ed1i h\u1ee3p v\u1eadt li\u1ec7u theo t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf.<\/p>\n

                – Th\u00ed nghi\u1ec7m \u0111\u1ed9 s\u1ee5t b\u00ea t\u00f4ng ngay sau khi tr\u1ed9n b\u00ea t\u00f4ng, \u0111\u00fac m\u1eabu theo quy \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng theo m\u00e1c thi\u1ebft k\u1ebf.<\/p>\n

                – \u0110\u1ed5 b\u00ea t\u00f4ng \u0111\u1ed5 t\u1ea1i ch\u1ed7, b\u1eb1ng c\u1ea7n c\u1ea9u, chi\u1ec1u cao b\u00ea t\u00f4ng r\u01a1i t\u1ef1 do c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 3 m tr\u00e1nh l\u00e0m b\u00ea t\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng.<\/p>\n

                – L\u1edbp b\u00ea t\u00f4ng b\u00ean tr\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0 \u0111\u1ea7m tr\u01b0\u1edbc khi l\u1edbp b\u00ea t\u00f4ng ph\u00eda d\u01b0\u1edbi b\u1eaft \u0111\u1ea7u \u0111\u00f4ng k\u1ebft.<\/p>\n

                – B\u00ea t\u00f4ng \u0111\u1ed5 \u0111\u1ebfn \u0111\u00e2u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m k\u1ef9 ngay \u0111\u1ebfn \u0111\u00f3, d\u00f9ng \u0111\u1ea7m d\u00f9i \u0111\u1ec3 d\u1ea7m b\u00ea t\u00f4ng, b\u1ec1 d\u00e0y t\u1ed1i \u0111a c\u1ee7a l\u1edbp b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn b\u1eb1ng 1,25 chi\u1ec1u d\u00e0i c\u00f3 \u00edch c\u1ee7a c\u1ea7n d\u00f9i.<\/p>\n

                – Kho\u1ea3ng c\u00e1ch d\u00f9i \u0111\u1ea7m rung b\u00ean trong kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1,5 b\u00e1n k\u00ednh t\u00e1c d\u1ee5ng c\u1ee7a m\u00e1y. \u0110\u1ea7m rung b\u00ean trong kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eafm xuy\u00ean xu\u1ed1ng l\u1edbp b\u00ea t\u00f4ng \u0111\u1ed5 tr\u01b0\u1edbc ph\u00eda d\u01b0\u1edbi khi l\u1edbp b\u00ea t\u00f4ng \u0111\u00f3 \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u00f4ng k\u1ebft.<\/p>\n

                – Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea7m rung b\u00ea t\u00f4ng th\u00f4ng qua c\u1ed1t th\u00e9p.<\/p>\n

                B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng.<\/p>\n

                – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng theo \u0111\u00fang quy \u0111\u1ecbnh. Sau khi \u0111\u1ed5 b\u00ea t\u00f4ng xong nhi\u1ec1u nh\u1ea5t l\u00e0 10 \u2013 12 gi\u1edd v\u1ec1 m\u00f9a \u0111\u00f4ng ho\u1eb7c 4 \u2013 5 gi\u1edd v\u1ec1 m\u00f9a h\u00e8 l\u00e0 ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc b\u1ea3o d\u01b0\u1ee1ng v\u00e0 che ph\u1ee7 m\u1eb7t k\u1ebft c\u1ea5u. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n 50<\/sup> th\u00ec kh\u00f4ng c\u1ea7n t\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n

                Th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n.<\/p>\n

                – Th\u00f4ng th\u01b0\u1eddng th\u00e1o v\u00e1n khu\u00f4n th\u00e0nh (kh\u00f4ng ch\u1ecbu tr\u1ecdng l\u01b0\u1ee3ng k\u1ebft c\u1ea5u) sau khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i thi\u1ec3u 25kg\/cm2<\/sup><\/p>\n

                – \u0110\u1ed1i v\u1edbi \u0111\u00e0 gi\u00e1o v\u00e0 v\u00e1n khu\u00f4n ch\u1ecbu l\u1ef1c tr\u01b0\u1edbc khi th\u00e1o ph\u1ea3i xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng v\u1edbi quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c. Th\u01b0\u1eddng ph\u1ea3i ch\u1edd b\u00ea t\u00f4ng \u0111\u1ea1t 70% c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf m\u1edbi \u0111\u01b0\u1ee3c th\u00e1o, khi th\u00e1o v\u00e1n khu\u00f4n thao t\u00e1c nh\u1eb9 nh\u00e0ng, kh\u00f4ng t\u1ea1o ra l\u1ef1c xung k\u00edch \u0111\u1ed1i v\u1edbi k\u1ebft c\u1ea5u b\u00ea t\u00f4ng. Tr\u01b0\u1edbc v\u00e0 sau khi th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n ch\u1ecbu l\u1ef1c ph\u1ea3i \u0111o \u0111\u1ea1c v\u1ec1 \u0111\u1ed9 l\u00fan v\u00f9ng bi\u1ebfn d\u1ea1ng c\u1ee7a k\u1ebft c\u1ea5u.<\/p>\n

                – Khi \u0111\u1ed5 b\u00ea t\u00f4ng t\u01b0\u1eddng ch\u1eafn ch\u00fa \u00fd b\u1ed1 tr\u00ed \u0111\u1eb7c c\u00e1c \u1ed1ng tho\u00e1t n\u01b0\u1edbc theo \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n

                \u0110\u1ed5 b\u00ea t\u00f4ng t\u01b0\u1eddng ch\u1eafn th\u00e0nh t\u1eebng \u0111o\u1ea1n c\u00f3 chi\u1ec1u d\u00e0i 5 \u2013 6 m (B\u1ed1 tr\u00ed ph\u00f9 h\u1ee3p v\u1edbi khe l\u00fan).<\/p>\n

                Thi c\u00f4ng l\u1ea7n l\u01b0\u1ee3t cho t\u1edbi khi ho\u00e0n ch\u1ec9nh to\u00e0n b\u1ed9 t\u01b0\u1eddng ch\u1eafn.<\/p>\n

                2.3. \u0110\u1eafp \u0111\u1ea5t sau t\u01b0\u1eddng ch\u1eafn.<\/em><\/strong><\/p>\n

                – Vi\u1ec7c \u0111\u1eafp \u0111\u1ea5t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng \u0111\u1ea5t t\u1ed1t c\u00f3 th\u00e0nh ph\u1ea7n h\u1ea1t th\u00edch h\u1ee3p, s\u1ee9c ch\u1ecbu t\u1ea3i t\u1ed1t \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m v\u00e0 c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a TVGS.<\/p>\n

                – Khi \u0111\u1eafp \u0111\u1ea5t ti\u1ebfn h\u00e0nh \u0111\u1eafp t\u1eebng l\u1edbp m\u1ed9t, m\u1ed7i l\u1edbp \u0111\u1ea5t sau khi \u0111\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c MIKASA t\u1eeb 15 \u2013 20 cm.<\/p>\n

                – \u0110\u1eafp c\u00e1c l\u1edbp ti\u1ebfp theo cho \u0111\u1ebfn khi \u0111\u1ee7 cao \u0111\u1ed9 theo b\u1ea3n v\u1ebd thi c\u00f4ng.<\/p>\n

                – Chu\u1ea9n b\u1ecb \u0111\u1ea5t s\u00e9t, luy\u1ec7n \u0111\u1ea5t b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 d\u1ebbo, \u0111\u1eafp \u0111\u1ea5t \u0111\u1ee7 b\u1ec1 d\u00e0y v\u00e0 \u0111\u1ed9 d\u1ed1c theo b\u1ea3n v\u1ebd thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c tho\u00e1t n\u01b0\u1edbc sau h\u00e8.<\/p>\n

                – T\u1eadp k\u1ebft \u0111\u00e1 d\u0103m c\u00e1c lo\u1ea1i t\u1ea1i c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 \u0111\u1ec3 thi c\u00f4ng t\u1ea7ng l\u1ecdc (v\u1eadt li\u1ec7u \u0111\u1ee7 ti\u00eau chu\u1ea9n c\u00f3 ch\u1ee9ng ch\u1ec9 th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu).<\/p>\n

                – San r\u1ea3i \u0111\u00e1 d\u0103m b\u1eb1ng th\u1ee7 c\u00f4ng, \u0111\u00fang b\u1ec1 d\u00e0y v\u00e0 \u0111\u1ed9c d\u1ed1c thi\u1ebft k\u1ebf. Ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1ea7n l\u01b0\u1ee3t c\u00e1c l\u1edbp \u0111\u00e1 d\u0103m 4 x 6 d\u00e0y 10cm, \u0111\u00e1 2 x 4 d\u00e0y 10 cm v\u00e0 l\u1edbp tr\u00ean c\u00f9ng \u0111\u00e1 d\u0103m 1 x 2 d\u00e0y 10 cm.<\/p>\n

                – \u0110\u1eafp c\u00e1c l\u1edbp \u0111\u1ea5t ti\u1ebfp theo, nh\u00e0 th\u1ea7u s\u1ebd c\u0103n c\u1ee9 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf \u1edf c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec3 b\u1ed1 tr\u00ed thi c\u00f4ng b\u1eb1ng th\u1ee7 c\u00f4ng hay k\u1ebft h\u1ee3p gi\u1eefa th\u1ee7 c\u00f4ng v\u00e0 c\u01a1 gi\u1edbi.<\/p>\n

                III. BI\u1ec6N PH\u00c1P \u0110\u1ea2M B\u1ea2O CH\u1ea4T L\u01af\u1ee2NG TRONG X\u00c2Y L\u1eaeP.<\/strong><\/p>\n

                  \n
                1. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u1ed1ng t\u01b0\u1eddng ch\u1eafn.<\/strong><\/li>\n<\/ol>\n

                  1.1. V\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc.<\/em><\/strong><\/p>\n

                  – Th\u01b0\u1eddng xuy\u00ean \u0111o \u0111\u1ea1c ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh \u0111\u00fang v\u1ecb tr\u00ed, \u0111\u00fang cao \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1ec3 x\u1ea3y ra t\u00ecnh tr\u1ea1ng b\u1ed1 tr\u00ed sai l\u1ec7ch \u0111\u00e1ng k\u1ec3 v\u1ec1 cao \u0111\u1ed9 v\u1ecb tr\u00ed khi thi c\u00f4ng c\u00f4ng trinh c\u1ed1ng, t\u01b0\u1eddng ch\u1eafn. Ki\u1ec3m tra \u0111o \u0111\u1ea1c, c\u1eafm m\u1ed1c ch\u00ednh x\u00e1c tr\u01b0\u1edbc ca thi c\u00f4ng. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i lu\u00f4n lu\u00f4n quan s\u00e1t, theo d\u00f5i \u0111\u1ea3m b\u1ea3o \u0111\u00fang k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u00f4ng tr\u00ecnh nh\u01b0 m\u00f3ng c\u1ed1ng, m\u00f3ng, th\u00e2n t\u01b0\u1eddng ch\u1eafn\u2026<\/p>\n

                  1.2. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh khi thi c\u00f4ng.<\/em><\/strong><\/p>\n

                  \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, qu\u00e1 tr\u00ecnh thi c\u00f4ng nh\u00e0 th\u1ea7u ph\u1ea3i tuy\u1ec7t \u0111\u1ed1i tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 thi c\u00f4ng. Trong \u0111\u00f3 \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c thi c\u00f4ng c\u1ed1ng v\u00e0 t\u01b0\u1eddng ch\u1eafn \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 sau \u0111\u00e2y:<\/p>\n

                  – B\u1ea3o \u0111\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, \u0111\u01b0a v\u00e0o x\u00e2y d\u1ef1ng \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u01b0\u1ee3c TVGS c\u0169ng nh\u01b0 ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p nh\u1eadn.<\/p>\n

                  – V\u1eadt li\u1ec7u b\u00e1n th\u00e0nh ph\u1ea9m nh\u01b0 \u0111\u1ed1t s\u1ed1ng\u2026 ph\u1ea3i \u0111\u00fang theo ngu\u1ed3n g\u1ed1c, \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

                  – B\u1ea3o \u0111\u1ea3m h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o tr\u1ed9n b\u00ea t\u00f4ng theo \u0111\u00fang t\u1ef7 ph\u1ed1i thi\u1ebft k\u1ebf. B\u00ea t\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c tr\u1ed9n k\u1ef9 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u1ee5t, c\u01b0\u1eddng \u0111\u1ed9\u2026 Ki\u1ec3m tra \u0111\u1ed9 s\u1ee5t b\u00ea t\u00f4ng ngay t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                  – \u0110\u1ed5 b\u00ea t\u00f4ng m\u00f3ng, th\u00e2n t\u01b0\u1eddng ch\u1eafn v\u00e0 k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh kh\u00e1c ph\u1ea3i th\u1ef1c hi\u1ec7n li\u00ean t\u1ee5c \u0111\u1ea3m b\u1ea3o t\u00ednh li\u1ec1n kh\u1ed1i. C\u00e1c t\u00e1c \u0111\u1ed9ng t\u1ea3i tr\u1ecdng thi c\u00f4ng, c\u00f4ng t\u00e1c \u0111\u1ea7m b\u00ea t\u00f4ng ph\u1ea3i k\u1ebft th\u00fac tr\u01b0\u1edbc khi b\u00ea t\u00f4ng b\u1eaft \u0111\u1ea7u ninh k\u1ebft.<\/p>\n

                  – S\u1eed d\u1ee5ng v\u00e1n khu\u00f4n th\u00e9p, \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng, \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng, k\u00edn kh\u00edt v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn d\u1ea1ng. Ki\u1ec3m tra ch\u1eb7t ch\u1ebd h\u1ec7 th\u1ed1ng v\u0103ng ch\u1ed1ng, \u0111\u00e0 gi\u00e1o b\u1ea3o \u0111\u1ea3m ch\u1eafc ch\u1eafn, \u1ed5n \u0111\u1ecbnh khi \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                  – C\u00f4ng t\u00e1c \u0111\u1eafp \u0111\u1ea5t hai b\u00ean c\u1ed1ng, sau t\u01b0\u1eddng ch\u1eafn ph\u1ea3i th\u1ef1c hi\u1ec7n b\u1eb1ng th\u1ee7 c\u00f4ng \u0111\u1ec3 tr\u00e1nh v\u1ee1 c\u1ed1ng. V\u1eadt li\u1ec7u \u0111\u1eafp ph\u1ea3i l\u00e0 lo\u1ea1i \u0111\u1ea5t c\u00f3 ch\u1ec9 ti\u00eau c\u01a1 l\u00fd ph\u00f9 h\u1ee3p. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1eafp qu\u00e1 d\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eb7t \u0111\u1ea7m n\u00e9n.<\/p>\n

                    \n
                  1. Ki\u1ec3m tra sau khi thi c\u00f4ng<\/strong><\/li>\n<\/ol>\n

                    2.1. Ki\u1ec3m tra v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc.<\/em><\/strong><\/p>\n

                    – \u0110o \u0111\u1ea1c ki\u1ec3m tra l\u1ea1i v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc c\u00f4ng tr\u00ecnh khi thi c\u00f4ng xong m\u1ed9t ca. C\u00f4ng t\u00e1c n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong kh\u1ed1ng ch\u1ebf, v\u00e0 \u0111i\u1ec1u ch\u1ec9nh nh\u1eefng sai l\u1ec7ch trong khi thi c\u00f4ng v\u00e0 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng sai s\u1ed1 c\u1ed9ng d\u1ed3n v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 v\u1ecb tr\u00ed.<\/p>\n\n\n\n\n\n
                    TT<\/td>\nN\u1ed9i dung ki\u1ec3m tra<\/td>\nSai s\u1ed1 cho ph\u00e9p<\/td>\n<\/tr>\n
                    1<\/td>\nSai s\u1ed1 c\u1ee7a c\u00e1c m\u1eb7t ph\u1eb3ng l\u1ed9 di\u1ec7n, n\u1eb1m ngang v\u00e0 nghi\u00eang so v\u1edbi v\u1ecb tr\u00ed thi\u1ebft k\u1ebf cho ph\u00e9p nh\u01b0 sau:<\/p>\n

                    – Tr\u00ean m\u1ed7i m\u00e9t m\u1eb7t ph\u1eb3ng l\u00e0<\/p>\n

                    – Tr\u00ean to\u00e0n b\u1ed9 m\u1eb7t ph\u1eb3ng l\u00e0<\/td>\n

                    		 <\/p>\n

                     <\/p>\n

                    5 mm<\/p>\n

                    20 mm<\/td>\n<\/tr>\n

                    2<\/td>\nSai s\u1ed1 v\u1ec1 chi\u1ec1u cao v\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00e1c<\/td>\n\u00b1 5 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                    2.1. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng:<\/em><\/strong><\/p>\n

                    – L\u00e0m c\u00f4ng t\u00e1c th\u00ed nghi\u1ec7m \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh. Th\u00ed nghi\u1ec7m ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t hi\u1ec7n tr\u01b0\u1eddng nh\u01b0 \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u1ee7a \u0111\u1ea5t \u0111\u1eafp.<\/p>\n

                    – Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eefa c\u0169ng nh\u01b0 b\u00ea t\u00f4ng\u2026 b\u1eb1ng c\u00e1ch l\u1ea5y m\u1eabu v\u00e0 ki\u1ec3m tra l\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m hi\u1ec7n tr\u01b0\u1eddng. L\u1ea5y \u0111\u00fang m\u1eabu quy \u0111\u1ecbnh, \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng. Qu\u00e1 tr\u00ecnh th\u00ed nghi\u1ec7m th\u1ef1c hi\u1ec7n nghi\u00eam t\u00fac \u0111\u1ea3m b\u1ea3o \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh. K\u1ebft qu\u1ea3 c\u01b0\u1eddng \u0111\u1ed9 m\u1eabu \u00e9p \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf. Tr\u01b0\u1eddng h\u1ee3p c\u00e1 bi\u1ec7t sai s\u1ed1 kh\u00f4ng qu\u00e1 5% so v\u1edbi y\u00eau c\u1ea7u. Khi c\u00e1c k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u1ea1t y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn Nh\u00e0 th\u1ea7u m\u1edbi ti\u1ebfn h\u00e0nh thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c ti\u1ebfp theo.<\/p>\n

                     <\/p>\n

                    CH\u01af\u01a0NG III. THI C\u00d4NG N\u1ec0N \u0110\u01af\u1edcNG<\/strong><\/p>\n

                     <\/p>\n

                      \n
                    1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG V\u00c0 \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/strong><\/li>\n<\/ol>\n

                      – Khi thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 ch\u00eanh l\u1ec7ch cao l\u1edbn (c\u1eaft qua \u0111\u1ed3i), nh\u00e0 th\u1ea7u \u0111\u1ea3m b\u1ea3o giao th\u00f4ng b\u1eb1ng \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 ngo\u1ea1i tuy\u1ebfn. Khi \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 n\u1eb1m tr\u00ean tuy\u1ebfn ch\u00ednh, n\u1ec1n \u0111\u00e0o c\u00f3 \u0111\u1ed9 ch\u00eanh cao \u0111\u1ed9 t\u1ef1 nhi\u00ean v\u00e0 cao \u0111\u1ed9 thi\u1ebft k\u1ebf, nh\u1ecf nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u00e0o c\u1eaft n\u1ec1n l\u1ea7n l\u01b0\u1ee3t hai ph\u00eda c\u1ee7a tim d\u1ecdc \u0111\u01b0\u1eddng, b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb thi c\u00f4ng tr\u00ean m\u1ed9t n\u1eeda \u0111\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00eanh cao gi\u1eefa ph\u1ea7n \u0111ang thi c\u00f4ng v\u00e0 ph\u1ea7n \u0111\u1ea3m b\u1ea3o giao th\u00f4ng kh\u00f4ng qu\u00e1 20 cm, k\u1ebft th\u00fac ng\u00e0y l\u00e0m vi\u1ec7c \u0111\u1ed9 ch\u00eanh cao kh\u00f4ng qu\u00e1 10 cm.<\/p>\n

                        \n
                      1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n
                      2. Thi c\u00f4ng n\u1ec1n \u0111\u00e0o<\/strong><\/li>\n<\/ol>\n

                        – \u0110\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng. X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc chi\u1ec1u d\u00e0y n\u1ec1n \u0111\u1ea5t c\u1ea7n \u0111\u00e0o, v\u1ecb tr\u00ed ch\u00e2n taluy, \u0111\u00f3ng c\u1ecdc bi\u00ean, c\u1ecdc d\u1eddi tim \u0111\u01b0\u1eddng\u2026<\/p>\n

                        – D\u00f9ng t\u1ed5 h\u1ee3p M\u00e1y \u0111\u00e0o \u2013 M\u00e1y \u1ee7i – \u00d4 t\u00f4 \u0111\u1ec3 \u0111\u00e0o x\u00fac v\u00e0 v\u1eadn chuy\u1ec3n \u0111\u1ea5t. \u0110\u1ed5 \u0111\u1ea5t \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh \u0111\u01b0\u1ee3c ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng cho ph\u00e9p.<\/p>\n

                        – T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed \u0111\u00e0o m\u1edf r\u1ed9ng, c\u1eaft ta luy d\u01b0\u01a1ng c\u00f3 \u0111\u1ed9 ch\u00eanh cao l\u1edbn so v\u1edbi n\u1ec1n \u0111\u01b0\u1eddng, nh\u00e0 th\u1ea7u s\u1ebd d\u00f9ng m\u00e1y \u0111\u00e0o b\u00e1nh x\u00edch l\u00e0m \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 \u0111\u1ec3 thi c\u00f4ng. Tu\u1ef3 theo t\u1eebng tr\u1eafc ngang \u0111\u1ec3 b\u1ed1 tr\u00ed v\u1ecb tr\u00ed m\u00e1y th\u00edch h\u1ee3p v\u1edbi t\u1eebng lu\u1ed1ng \u0111\u00e0o \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc.<\/p>\n

                        – Khi n\u1ec1n \u0111\u00e0o h\u00ecnh L \u0111\u1ea5t \u0111\u00e0o \u0111\u01b0\u1ee3c \u0111\u1ed5 xu\u1ed1ng n\u1ec1n \u0111\u01b0\u1eddng, d\u00f9ng m\u1ed9t t\u1ed5 h\u1ee3p m\u00e1y g\u1ed3m M\u00e1y \u0111\u00e0o \u2013 m\u00e1y \u1ee7i – \u00f4 t\u00f4 \u0111\u1ec3 v\u1eadn chuy\u1ec3n \u0111\u1ea5t \u0111\u1ed5 \u0111i \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh. N\u1ebfu \u0111\u01b0\u1ee3c ph\u00e9p c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng nh\u00e0 th\u1ea7u s\u1ebd san g\u1ea1t \u0111\u1ea5t xu\u1ed1ng v\u1ef1c.<\/p>\n

                        – Khi n\u1ec1n \u0111\u00e0o c\u00f3 hai m\u00e1i taluy d\u01b0\u01a1ng, d\u00f9ng \u00f4 t\u00f4 \u0111\u1ec3 v\u1eadn chuy\u1ec3n d\u1ecdc.<\/p>\n

                        – Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc n\u1ec1n \u0111\u00e0o. Ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t n\u1ec1n \u0111\u00e0o. N\u1ebfu n\u1ec1n \u0111\u00e0o kh\u00f4ng \u0111\u1ee7 \u0111\u1ed9 ch\u1eb7t th\u00ec ti\u1ebfn h\u00e0nh c\u00e0y x\u1edbi v\u00e0 lu l\u00e8n b\u1ea3o \u0111\u1ea3m b\u1ec1 d\u00e0y 30 cm \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t K 98.<\/p>\n

                        – \u0110\u1ed1i v\u1edbi \u0111\u00e1 c\u1ea5p 4 c\u00f3 th\u1ec3 thi c\u00f4ng b\u1eb1ng m\u00e1y \u0111\u00e0o b\u00e1nh x\u00edch c\u00f4ng su\u1ea5t l\u1edbn.<\/p>\n

                        X\u00e2y r\u00e3nh d\u1ecdc, r\u00e3nh c\u01a1, r\u00e3nh \u0111\u1ec9nh.<\/em><\/strong><\/p>\n

                        – C\u00f4ng t\u00e1c \u0111\u00e0o r\u00e3nh \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p c\u00f9ng v\u1edbi thi c\u00f4ng n\u1ec1n \u0111\u00e0o. \u0110\u1ea7u ti\u00ean d\u00f9ng m\u00e1y \u0111\u00e0o, sau \u0111\u00f3 ch\u1ec9nh s\u1eeda b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                        – Tr\u01b0\u1edbc khi x\u00e2y ph\u1ea3i b\u1ea1t b\u1ecf ph\u1ea7n \u0111\u1ea5t d\u01b0, b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 d\u1ed1c v\u00e0 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng m\u00e1i d\u1ed1c v\u00e0 l\u00f2ng r\u00e3nh.<\/p>\n

                        – \u0110\u1ecbnh v\u1ecb c\u1eafm c\u1ecdc v\u00e0 c\u0103ng d\u00e2y t\u1ea1o khu\u00f4n v\u00e0 b\u1ec1 m\u1eb7t gi\u1edbi h\u1ea1n. K\u00edch th\u01b0\u1edbc b\u1ec1 m\u1eb7t song song v\u1edbi m\u1eb7t ph\u1eb3ng l\u00e1t t\u1ed1i thi\u1ec3u 10x20cm. B\u1ec1 d\u00e0y th\u1eb3ng g\u00f3c m\u1eb7t x\u00e2y l\u00e1t 15 \u2013 25 cm. C\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e1 t\u1ed1i thi\u1ec3u \u0111\u1ea1t 400 kg\/cm2<\/sup>. \u0110\u00e1 ph\u1ea3i s\u1ea1ch kh\u00f4ng d\u00edch b\u00f9n. Khi x\u00e2y ph\u1ea3i tr\u00e1t v\u1eefa v\u00e0o m\u1eb7t n\u1eb1m ngang v\u00e0 g\u00f5 nh\u1eb9 b\u00faa v\u00e0o \u0111\u00e1 x\u00e2y \u0111\u1ec3 m\u1ea1ch no v\u1eefa.<\/p>\n

                        – \u0110\u1ec7m \u0111\u00e1 d\u0103m ch\u00e8n ch\u1eb7t d\u01b0\u1edbi \u0111\u00e1 h\u1ed9c x\u00e2y. K\u00edch th\u01b0\u1edbc \u0111\u00e1 d\u0103m \u0111\u1ec7m l\u00e0 4×6, h\u00f2n l\u1edbn nh\u1ea5t k\u00edch th\u01b0\u1edbc kh\u00f4ng qu\u00e1 8 cm.<\/p>\n

                        – V\u1ec1 m\u00f9a n\u1eafng nhi\u1ec7t \u0111\u1ed9 tr\u00ean 300<\/sup>C, t\u01b0\u1edbi n\u01b0\u1edbc b\u1ea3o d\u01b0\u1ee1ng \u0111\u00e1 x\u00e2y t\u1ed1i thi\u1ec3u 4 ti\u1ebfng \u0111\u1ed3ng h\u1ed3 sau khi x\u00e2y xong.<\/p>\n

                        Thi c\u00f4ng n\u1ec1n \u0111\u00e0o l\u00e0 \u0111\u00e1 c\u1ea5p 3 ho\u1eb7c \u0111\u00e1 m\u1ed3 c\u00f4i.<\/em><\/strong><\/p>\n

                        – \u0110o\u1ea1n tuy\u1ebfn c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e0o ph\u00e1 \u0111\u00e1 l\u1edbn, tuy nhi\u00ean \u0111\u00e1 c\u1ea5p 4 c\u00f3 th\u1ec3 thi c\u00f4ng b\u1eb1ng m\u00e1y \u0111\u00e0o. M\u1eb7c d\u00f9 v\u1eady tr\u00ean tuy\u1ebfn th\u01b0\u1eddng g\u1eb7p \u0111\u00e1 m\u1ed3 c\u00f4i trong khi thi c\u00f4ng. H\u1ea1ng m\u1ee5c n\u00e0y ch\u01b0a c\u00f3 c\u01a1 s\u1edf \u0111\u1ec3 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng. Khi thi c\u00f4ng g\u1eb7p ph\u1ea3i \u0111\u00e1 m\u1ed3 c\u00f4i ho\u1eb7c \u0111\u00e1 c\u1ea5p 3 (ph\u00e1t sinh) nh\u00e0 th\u1ea7u s\u1ebd b\u00e1o v\u1edbi TVHT \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p gi\u1ea3i quy\u1ebft. Trong tr\u01b0\u1eddng h\u1ee3p th\u00f4ng th\u01b0\u1eddng Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh thi c\u00f4ng n\u1ed5 ph\u00e1.<\/p>\n

                        – H\u1ea7u h\u1ebft \u0111o\u1ea1n tuy\u1ebfn n\u1eb1m c\u00e1ch xa khu v\u1ef1c d\u00e2n c\u01b0, khu v\u1ef1c nh\u1ea1y c\u1ea3m v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh quan tr\u1ecdng, do \u0111\u00f3 c\u00f3 th\u1ec3 thi c\u00f4ng n\u1ed5 ph\u00e1.<\/p>\n

                        – \u0110\u1ec3 b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 n\u1ed5 ph\u00e1 c\u0169ng nh\u01b0 t\u00ednh h\u1ee3p l\u00fd hi\u1ec7n tr\u01b0\u1eddng, Nh\u00e0 th\u1ea7u ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 om.<\/p>\n

                        – C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb v\u1ec1 th\u1ee7 t\u1ee5c n\u1ed5 ph\u00e1 s\u1ebd \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 theo \u0111\u00fang th\u1ee7 t\u1ee5c ph\u00e1p l\u00fd Nh\u00e0 n\u01b0\u1edbc nh\u01b0: gi\u1ea5y ph\u00e9p n\u1ed5 m\u00ecn, bi\u1ec7n ph\u00e1p an to\u00e0n, qu\u1ea3n l\u00fd v\u1eadt li\u1ec7u n\u1ed5\u2026 T\u1ed5 ch\u1ee9c b\u1ed9 ph\u1eadn thi c\u00f4ng chuy\u00ean nghi\u1ec7p c\u00f3 \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9ng ch\u1ec9 n\u1ed5 ph\u00e1 v\u00e0 th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt h\u1ed9 chi\u1ebfu n\u1ed5.<\/p>\n

                        Tr\u00ecnh t\u1ef1 thi c\u00f4ng:<\/p>\n

                        – D\u00f9ng m\u00e1y n\u00e9n kh\u00ed v\u00e0 thi\u1ebft b\u1ecb khoan \u0111\u1ec3 khoan t\u1ea1o l\u1ed7 theo s\u01a1 \u0111\u1ed3 thi c\u00f4ng v\u00e0 \u0111\u1ed9 s\u00e2u \u0111\u00e3 t\u00ednh to\u00e1n (ph\u00f9 h\u1ee3p v\u1edbi l\u01b0\u1ee3ng n\u1ed5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed5). V\u1ec7 sinh l\u1ed7 khoan v\u00e0 che \u0111\u1eady tr\u00e1nh b\u1ecb ch\u00e8n l\u1ea5p. Khoan c\u00e1c l\u1ed7 ti\u1ebfp theo cho t\u1edbi kho ho\u00e0n th\u00e0nh.<\/p>\n

                        – Nh\u1ed3i thu\u1ed1c n\u1ed5 v\u00e0o l\u1ed7 khoan, \u0111\u1eb7t k\u00edp n\u1ed5 v\u00e0 d\u00e2y d\u1eabn nh\u00e1nh, d\u00e2y d\u1eabn tr\u1ee5c.<\/p>\n

                        – N\u1ed3i d\u00e2y tr\u1ee5c v\u1edbi ngu\u1ed3n \u0111i\u1ec7n, th\u1ef1c hi\u1ec7n n\u1ed5 ph\u00e1.<\/p>\n

                        – Sau kho\u1ea3ng th\u1eddi gian an to\u00e0n, ti\u1ebfn h\u00e0nh d\u00f9ng m\u00e1y \u1ee7i \u0111\u1ec3 d\u1ecdn \u0111\u1ea5t \u0111\u00e1, ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi \u00f4 t\u00f4 \u0111\u1ec3 v\u1eadn chuy\u1ec3n \u0111\u1ed5 \u0111i \u0111\u1ea5t \u0111\u00e1 r\u1eddi.<\/p>\n

                        – Sau l\u1ea7n n\u1ed5 th\u00ed nghi\u1ec7m ho\u1eb7c l\u1ea7n n\u1ed5 \u0111\u1ea7u ti\u00ean, th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c ki\u1ec3m tra \u0111\u00e1nh gi\u00e1, r\u00fat kinh nghi\u1ec7m \u0111\u1ec3 c\u00f3 s\u1ef1 hi\u1ec7u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf.<\/p>\n

                        1.2. Thi c\u00f4ng n\u1ec1n \u0111\u1eafp:<\/strong><\/p>\n

                        Tr\u01b0\u1edbc khi thi c\u00f4ng \u0111\u1ea1i tr\u00e0 ti\u1ebfn h\u00e0nh thi c\u00f4ng tr\u00ean \u0111o\u1ea1n th\u00ed \u0111i\u1ec3m 50 \u2013 100 m c\u00f3 s\u1ef1 ki\u1ec3m tra c\u1ee7a TVGS. C\u00f4ng t\u00e1c n\u00e0y nh\u1eb1m ki\u1ec3m tra s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb, chi\u1ec1u d\u00e0y \u0111\u1ea7m n\u00e9n, s\u01a1 \u0111\u1ed3 lu l\u00e8n v\u00e0 c\u00f4ng \u0111\u1ea7m n\u00e9n. T\u1eeb \u0111\u00f3 c\u00f3 c\u0103n c\u1ee9 ch\u1ec9 \u0111\u1ea1o thi c\u00f4ng cho h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh.<\/p>\n

                        V\u1eadt li\u1ec7u tr\u01b0\u1edbc khi \u0111\u1eafp<\/em><\/strong><\/p>\n

                        – V\u1eadt li\u1ec7u \u0111\u1eafp c\u00f3 c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd \u0111\u1ea3m b\u1ea3o ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn m\u1edbi \u0111em \u0111\u1ec3 \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                        – \u0110\u1ea5t l\u1eabn s\u1ecfi, s\u1ecfi ong, \u0111\u1ea5t \u00e1 s\u00e9t, \u0111\u1ea5t \u00e1 c\u00e1t l\u00e0 nh\u1eefng lo\u1ea1i \u0111\u1ea5t th\u00f4ng d\u1ee5ng c\u00f3 th\u1ec3 \u0111\u1eafp b\u1ea5t k\u1ef3 v\u1ecb tr\u00ed n\u00e0o trong th\u00e2n \u0111\u01b0\u1eddng, tr\u1eeb ph\u1ea1m vi d\u00e0y 30 cm d\u01b0\u1edbi l\u1edbp m\u00f3ng \u00e1o \u0111\u01b0\u1eddng ph\u1ea3i s\u1eed d\u1ee5ng lo\u1ea1i \u0111\u1ea5t c\u1ea5p ph\u1ed1i t\u1ed1t.<\/p>\n

                        – \u0110\u1ea5t s\u00e9t ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1eafp ph\u1ea7n n\u1ec1n \u0111\u01b0\u1eddng kh\u00f4ng b\u1ecb ng\u1eadp n\u01b0\u1edbc, v\u1edbi chi\u1ec1u cao \u0111\u1eafp t\u1ed1i \u0111a l\u00e0 2 m v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1eafp trong ph\u1ea1m vi t\u1eeb \u0111\u00e1y m\u00f3ng m\u1eb7t \u0111\u01b0\u1eddng xu\u1ed1ng 1,2m.<\/p>\n

                        – Tr\u01b0\u1eddng h\u1ee3p kh\u00e1c ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd b\u1eb1ng v\u0103n b\u1ea3n v\u00e0 tu\u00e2n theo s\u1ef1 ch\u1ec9 d\u1eabn c\u1ee7a TVGS.<\/p>\n

                        – Trong m\u1ed9t m\u1eb7t c\u1eaft ngang d\u00f9ng m\u1ed9t lo\u1ea1i \u0111\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p ph\u1ea3i d\u00f9ng 2 lo\u1ea1i \u0111\u1ea5t c\u00f3 \u0111\u1ed9 th\u1ea5m n\u01b0\u1edbc kh\u00e1c nhau th\u00ec m\u1ed7i lo\u1ea1i \u0111\u1ea5t ph\u1ea3i \u0111\u1eafp m\u1ed9t l\u1edbp tr\u00ean su\u1ed1t m\u1eb7t c\u1eaft ngang. Khi \u0111\u1eafp lo\u1ea1i \u0111\u1ea5t kh\u00f3 th\u1ea5m n\u01b0\u1edbc d\u01b0\u1edbi l\u1edbp \u0111\u1ea5t d\u1ec5 th\u1ea5m n\u01b0\u1edbc th\u00ec m\u1eb7t l\u1edbp \u0111\u1ea5t kh\u00f3 th\u1ea5m n\u01b0\u1edbc \u1edf d\u01b0\u1edbi ti\u1ebfn h\u00e0ng t\u1ea1o d\u1ed1c ngang tho\u00e1t n\u01b0\u1edbc ra ngo\u00e0i \u00b3 4%. Kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ea5t kh\u00f3 th\u1ea5m n\u01b0\u1edbc bao quanh b\u1ecbt k\u00edn l\u1ed1i tho\u00e1t n\u01b0\u1edbc c\u1ee7a l\u1edbp \u0111\u1ea5t d\u1ec5 th\u1ea5m n\u01b0\u1edbc, tr\u1eeb tr\u01b0\u1eddng h\u1ee3p \u0111\u1eafp bao b\u00ean ngo\u00e0i v\u1eadt li\u1ec7u ch\u1ed1ng x\u00f3i tr\u00f4i theo thi\u1ebft k\u1ebf.<\/p>\n

                        L\u00ean khu\u00f4n \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

                        N\u1ec1n \u0111\u1eafp:<\/p>\n

                        – Ti\u1ebfn h\u00e0nh \u0111o \u0111\u1ea1c \u0111\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed thi c\u00f4ng. C\u1eafm c\u1ecdc l\u00ean khu\u00f4n \u0111\u01b0\u1eddng v\u00e0 c\u1ecdc bi\u00ean c\u1ee7a l\u1edbp \u0111\u1ea5t \u0111\u1eafp d\u01b0. C\u1eafm c\u1ecdc hai b\u00ean \u0111\u01b0\u1eddng c\u00e1ch nhau 50m. C\u1eafm th\u00eam c\u1ecdc n\u01a1i \u0111\u1ed5i d\u1ed1c, c\u00e1c \u0111i\u1ec3m ch\u1ee7 y\u1ebfu c\u1ee7a \u0111\u01b0\u1eddng cong nh\u01b0 T\u0110, TC, P\u2026 Khi thi c\u00f4ng 1-2m th\u00ec ti\u1ebfp t\u1ee5c n\u1ed1i d\u00e0i c\u1ecdc. Khi \u0111\u1eafp g\u1ea7n h\u1ebft l\u1edbp K95 th\u00ec ph\u1ea3i \u0111\u00e1nh d\u1ea5u ranh gi\u1edbi K95 v\u00e0 K98.<\/p>\n

                        N\u1ec1n \u0111\u00e0o:<\/p>\n

                        Ph\u1ea3i c\u1eafm c\u1ecdc bi\u00ean m\u00e1i \u0111\u00e0o v\u00e0 c\u00e1c c\u1ecdc d\u1eddi c\u1ee7a c\u1ecdc tim \u0111\u01b0\u1eddng \u0111\u1ec3 c\u00f3 th\u1ec3 ki\u1ec3m tra k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u1ee7a \u0111\u01b0\u1eddng trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

                        X\u1eed l\u00fd tr\u01b0\u1edbc khi \u0111\u1eafp<\/em><\/strong><\/p>\n

                        – Nh\u1eefng n\u01a1i n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp cao d\u01b0\u1edbi 1,5m ph\u1ea3i \u0111\u00e0o g\u1ed1c c\u00e2y, r\u1ec5 c\u00e2y, d\u1eaby s\u1ea1ch c\u1ecf, h\u00f3t ra kh\u1ecfi ph\u1ea1m vi n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                        – Nh\u1eefng n\u01a1i \u0111\u1eafp cao tr\u00ean 1,5m th\u00ec \u0111\u00e0o lo\u1ea1i b\u1ecf h\u1ebft c\u00e1c lo\u1ea1i g\u1ed1c v\u00e0 r\u1ec5 c\u00e2y.<\/p>\n

                        – X\u1eed l\u00fd b\u00f9n v\u00e0 \u0111\u1ea5t h\u1eefu c\u01a1 theo quy \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

                        – T\u1ea1i n\u01a1i n\u1ec1n \u0111\u01b0\u1eddng \u0111\u00e0o, n\u1ec1n \u0111\u01b0\u1ee3c kh\u00f4ng \u0111\u00e0o kh\u00f4ng \u0111\u1eafp ho\u1eb7c \u0111\u1eafp m\u1ecfng ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u1ee7a n\u1ec1n \u0111\u1ea5t t\u1ef1 nhi\u00ean, n\u1ebfu n\u1ec1n \u0111\u1ea5t t\u1ef1 nhi\u00ean kh\u00f4ng \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t theo thi\u1ebft k\u1ebf quy \u0111\u1ecbnh th\u00ec ph\u1ea3i x\u1eed l\u00fd b\u1eb1ng c\u00e1ch \u0111\u1ea7m l\u00e8n ho\u1eb7c thay \u0111\u1ea5t. Sau khi Nh\u00e0 th\u1ea7u v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ph\u1ed1i h\u1ee3p ki\u1ec3m tra nghi\u1ec7m thu \u0111\u1ea1t y\u00eau c\u1ea7u m\u1edbi \u0111\u01b0\u1ee3c thi c\u00f4ng ph\u1ea7n ti\u1ebfp theo.<\/p>\n

                        V\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

                        – V\u1eadt li\u1ec7u \u0111\u1ea5t \u0111\u1eafp \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111i\u1ec1u ph\u1ed1i t\u1eeb n\u1ec1n \u0111\u00e0o sang n\u1ec1n \u0111\u1eafp ho\u1eb7c t\u1eeb m\u1ecf \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5.<\/p>\n

                        – \u0110\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1ed5 th\u00e0nh \u0111\u1ed1ng theo kho\u1ea3ng c\u00e1ch t\u00ednh tr\u01b0\u1edbc tu\u1ef3 thu\u1ed9c b\u1ec1 d\u00e0y r\u1ea3i c\u00f3 k\u1ec3 \u0111\u1ebfn h\u1ec7 s\u1ed1 lu l\u00e8n.<\/p>\n

                        San r\u1ea3i v\u1eadt li\u1ec7u.<\/em><\/strong><\/p>\n

                        – D\u00f9ng m\u00e1y \u1ee7i \u0111\u1ec3 ti\u1ebfn h\u00e0nh san r\u1ea3i v\u1eadt li\u1ec7u \u0111\u1eafp K95. N\u1ec1n \u0111\u1eafp K98 d\u00f9ng m\u00e1y san \u0111\u1ec3 san v\u1eadt li\u1ec7u. Qu\u00e1 tr\u00ecnh san r\u1ea3i ch\u00fa \u00fd t\u1ea1o \u0111\u1ed9 d\u1ed1c ngang tho\u00e1t n\u01b0\u1edbc cho n\u1ec1n \u0111\u1eafp.<\/p>\n

                        C\u00f4ng t\u00e1c lu l\u00e8n:<\/em><\/strong><\/p>\n

                        – S\u1eed d\u1ee5ng lu b\u00e1nh s\u1eaft t\u0129nh, lu rung b\u00e1nh s\u1eaft \u0111\u1ec3 lu l\u00e8n.<\/p>\n

                        – Giai \u0111o\u1ea1n 1 d\u00f9ng lu t\u0129nh b\u00e1nh s\u1eaft 6-8T \u0111\u1ec3 lu l\u00e8n s\u01a1 b\u1ed9.<\/p>\n

                        – Giai \u0111o\u1ea1n 2 lu ch\u1eb7t b\u1eb1ng lu n\u1eb7ng v\u00e0 lu rung.<\/p>\n

                        – Sau c\u00f9ng d\u00f9ng lu t\u0129nh b\u00e1nh s\u1eaft \u0111\u1ec3 lu ph\u1eb3ng.<\/p>\n

                        – Trong qu\u00e1 tr\u00ecnh lu ti\u1ebfn h\u00e0nh lu t\u1eeb b\u1ee5ng \u0111\u01b0\u1eddng cong \u0111\u1ebfn l\u01b0ng \u0111\u01b0\u1eddng cong, lu t\u1eeb th\u1ea5p l\u00ean cao. C\u00e1c v\u1ec7t b\u00e1nh lu ph\u1ea3i ch\u1ed3ng l\u00ean nhau t\u1ed1i thi\u1ec3u l\u00e0 25 cm. Ti\u1ebfn h\u00e0nh lu l\u00e8n \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean b\u1ec1 m\u1eb7t chi\u1ec1u r\u1ed9ng \u0111\u01b0\u1eddng. Ch\u00fa \u00fd cho lu \u0111i s\u00e1t m\u00e9p \u0111\u01b0\u1eddng (ph\u1ea7n \u0111\u1eafp d\u01b0) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                        – Trong qu\u00e1 tr\u00ecnh \u0111\u1ea7m l\u00e8n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o cho c\u00f4ng t\u00e1c lu l\u00e8n \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 cao. V\u1eadt li\u1ec7u \u0111\u1ea5t \u0111\u1eafp ph\u1ea3i lu\u00f4n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t ho\u1eb7c 0.8 \u2013 1.2W0<\/sub>. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u00f3 trong qu\u00e1 tr\u00ecnh \u0111\u1eafp t\u1eebng l\u1edbp ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 \u1ea9m\u00a0 N\u1ebfu th\u1ea5y \u0111\u1ed9 \u1ea9m t\u1ef1 nhi\u00ean < \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t th\u00ec san th\u00e0nh l\u1edbp. T\u01b0\u1edbi n\u01b0\u1edbc b\u1eb1ng v\u00f2i hoa sen ho\u1eb7c v\u00f2i phun xet\u00e9c nh\u01b0ng h\u01b0\u1edbng v\u00f2i l\u00ean ph\u00eda tr\u00ean \u0111\u1ec3 t\u1ea1o m\u01b0a. N\u1ebfu \u0111\u1ed9 \u1ea9m t\u1ef1 nhi\u00ean > \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t th\u00ec c\u1ea7n ph\u1ea3i san r\u1ea3i \u0111\u1ec3 hong l\u1ea1i \u0111\u1ea5t.<\/p>\n

                        B\u1ea1t b\u1ecf \u0111\u1ea5t \u0111\u1eafp d\u01b0 ngo\u00e0i m\u00e1i n\u1ec1n \u0111\u01b0\u1eddng.<\/em><\/strong><\/p>\n

                        – Sau khi \u0111\u1eafp n\u1ec1n ti\u1ebfn h\u00e0nh g\u1ecdt \u0111\u1ea5t d\u01b0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ch\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng, \u0111\u1ea5t b\u1ea1t \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed m\u00e1y \u0111\u00e0o x\u00fac \u0111\u1ea5t v\u00e0 \u00f4 t\u00f4 chuy\u1ec3n \u0111i.<\/p>\n

                        Tr\u1ed3ng c\u1ecf taluy n\u1ec1n \u0111\u1eafp.<\/em><\/strong><\/p>\n

                        – \u0110o \u0111\u1ea1c \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed m\u00e9p taluy ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c m\u00e1i taluy.<\/p>\n

                        – S\u1eeda m\u00e1i taluy b\u1eb1ng th\u1ee7 c\u00f4ng \u0111\u1ea3m b\u1ea3o cho b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng, \u0111\u00fang \u0111\u1ed9 d\u1ed1c thi\u1ebft k\u1ebf.<\/p>\n

                        – \u0110\u00e1nh v\u1ea7ng c\u1ecf c\u00f3 k\u00edch th\u01b0\u1edbc \u0111\u1ed3ng \u0111\u1ec1u \u0111\u00fang y\u00eau c\u1ea7u.<\/p>\n

                        – Tr\u1ed3ng c\u1ecf \u0111\u00fang quy c\u00e1ch theo h\u00ecnh hoa mai, ghim gi\u1eef ch\u1eb7t b\u1eb1ng c\u00e1c ghim tre.<\/p>\n

                        – T\u01b0\u1edbi n\u01b0\u1edbc ch\u0103m s\u00f3c \u0111\u1ec3 c\u1ecf nhanh ch\u00f3ng ph\u00e1t tri\u1ec3n ph\u1ee7 k\u00edn m\u00e1i taluy.<\/p>\n

                        X\u00e2y \u0111\u00e1 h\u1ed9c v\u1eefa xi m\u0103ng b\u1ea3o v\u1ec7 m\u00e1i \u0111\u01b0\u1eddng.<\/em><\/strong><\/p>\n

                        – Tr\u01b0\u1edbc khi x\u00e2y ph\u1ea3i b\u1ea1t c\u1ecf, b\u1ea1t b\u1ecf ph\u1ea7n \u0111\u1ea5t d\u01b0, b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 d\u1ed1c v\u00e0 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng m\u00e1i d\u1ed1c. K\u00edch th\u01b0\u1edbc b\u1ec1 m\u1eb7t song song v\u1edbi m\u1eb7t ph\u1eb3ng l\u00e1t t\u1ed1i thi\u1ec3u 10 x 20 cm. B\u1ec1 d\u00e0y th\u1eb3ng g\u00f3c m\u1eb7t x\u00e2y l\u00e1t 15 \u2013 25 cm. C\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e1 t\u1ed1i thi\u1ec3u \u0111\u1ea1t 400 kg\/cm2<\/sup>. \u0110\u00e1 ph\u1ea3i s\u1ea1ch kh\u00f4ng d\u00ednh b\u00f9n. Khi x\u00e2y ph\u1ea3i tr\u00e1t v\u1eefa v\u00e0o m\u1eb7t n\u1eb1m ngang v\u00e0 g\u00f5 nh\u1eb9 b\u00faa v\u00e0o \u0111\u00e1 x\u00e2y \u0111\u1ec3 m\u1ea1ch no v\u1eefa.<\/p>\n

                        – \u0110\u1ec7m \u0111\u00e1 d\u0103m ch\u00e8n ch\u1eb7t d\u01b0\u1edbi \u0111\u00e1 h\u1ed9c x\u00e2y. K\u00edch th\u01b0\u1edbc \u0111\u00e1 d\u0103m \u0111\u1ec7m l\u00e0 4×6, h\u00f2n l\u1edbn nh\u1ea5t k\u00edch th\u01b0\u1edbc kh\u00f4ng qu\u00e1 8 cm.<\/p>\n

                        – V\u1ec1 m\u00f9a n\u1eafng nhi\u1ec7t \u0111\u1ed9 tr\u00ean 300<\/sup>C, t\u01b0\u1edbi n\u01b0\u1edbc b\u1ea3o d\u01b0\u1ee1ng \u0111\u00e1 x\u00e2y t\u1ed1i thi\u1ec3u 4 ti\u1ebfng \u0111\u1ed3ng h\u1ed3 sau khi x\u00e2y xong.<\/p>\n

                        Kh\u00f4i ph\u1ee5c c\u1ecdc tim tuy\u1ebfn, c\u00e1c c\u1ecdc ch\u1ee7 y\u1ebfu c\u1ee7a tuy\u1ebfn \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

                        – Sau khi thi c\u00f4ng xong n\u1ec1n \u0111\u01b0\u1eddng kh\u00f4i c\u00e1c c\u1ecdc tim v\u00e0 c\u1ecdc ch\u1ee7 y\u1ebfu c\u1ee7a n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ec3 ki\u1ec3m tra c\u00f4ng t\u00e1c thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 c\u00f3 c\u01a1 s\u1edf c\u1eafm c\u00e1c c\u1ecdc thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng.<\/p>\n

                        III. BI\u1ec6N PH\u00c1P \u0110\u1ea2M B\u1ea2O CH\u1ea4T L\u01af\u1ee2NG TRONG X\u00c2Y L\u1eaeP.<\/strong><\/p>\n

                          \n
                        1. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng<\/strong><\/li>\n<\/ol>\n

                          1.1. V\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc.<\/em><\/strong><\/p>\n

                          – Th\u01b0\u1eddng xuy\u00ean \u0111o \u0111\u1ea1c ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh \u0111\u00fang v\u1ecb tr\u00ed, \u0111\u00fang cao \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u1ec3 x\u1ea3y ra t\u00ecnh tr\u1ea1ng b\u1ed1 tr\u00ed sai l\u1ec7ch \u0111\u00e1ng k\u1ec3 v\u1ec1 v\u1ecb tr\u00ed tim \u0111\u01b0\u1eddng, gi\u1edbi h\u1ea1n thi c\u00f4ng\u2026 Ki\u1ec3m tra \u0111o \u0111\u1ea1c, c\u1eafm m\u1ed1c ch\u00ednh x\u00e1c t\u1ea1i tim \u0111\u01b0\u1eddng, m\u00e9p \u0111\u01b0\u1eddng\u2026 tr\u01b0\u1edbc khi thi c\u00f4ng. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i lu\u00f4n lu\u00f4n quan s\u00e1t, theo d\u00f5i, ki\u1ec3m tra b\u1ea3o \u0111\u1ea3m \u0111\u00fang k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc n\u1ec1n \u0111\u00e0o c\u0169ng nh\u01b0 n\u1ec1n \u0111\u1eafp.<\/p>\n

                          1.2. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh khi thi c\u00f4ng.<\/em><\/strong><\/p>\n

                          \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, qu\u00e1 tr\u00ecnh thi c\u00f4ng nh\u00e0 th\u1ea7u ph\u1ea3i tuy\u1ec7t \u0111\u1ed1i tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 thi c\u00f4ng. Trong \u0111\u00f3 \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 sau \u0111\u00e2y:<\/p>\n

                          – Ki\u1ec3m tra theo d\u00f5i ch\u1eb7t ch\u1ebd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u1eafp, \u0111\u01b0a v\u00e0o x\u00e2y d\u1ef1ng \u0111\u00fang lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u01b0\u1ee3c TVGS c\u0169ng nh\u01b0 Ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p nh\u1eadn. \u0110\u1ea5t \u0111\u1eafp ph\u1ea3i c\u00f3 \u0111\u1ed9 \u1ea9m th\u00edch h\u1ee3p W0<\/sub> \u00b1 1%. N\u1ebfu \u0111\u1ea5t kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m ph\u1ea3i ti\u1ebfn h\u00e0nh x\u1eed l\u00fd tr\u01b0\u1edbc khi \u0111\u1eafp.<\/p>\n

                          – Kh\u00f4ng cho ph\u00e9p t\u1ef1 \u00fd \u0111\u1eafp \u0111\u1ea5t l\u1eabn h\u1eefu c\u01a1, c\u00e2y c\u1ecf c\u0169ng nh\u01b0 b\u1ea5t c\u1ee9 lo\u1ea1i \u0111\u1ea5t kh\u00f4ng b\u1ea3o \u0111\u1ea3m ti\u00eau chu\u1ea9n kh\u00e1c. \u0110\u1ea5t \u0111\u1eafp sau khi t\u1eadp k\u1ebft \u0111\u01b0\u1ee3c san r\u1ea3i v\u00e0 lu l\u00e8n ngay \u0111\u1ec3 tr\u00e1nh g\u1eb7p tr\u1eddi n\u1eafng, n\u01b0\u1edbc b\u1ed1c h\u01a1i kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m ho\u1eb7c g\u1eb7p m\u01b0a \u0111\u1ed9 \u1ea9m cao kh\u00f4ng thi c\u00f4ng \u0111\u01b0\u1ee3c. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau khi x\u1eed l\u00fd \u0111\u1ed9 \u1ea9m kh\u00f4ng \u0111\u1ea1t ho\u1eb7c x\u1eed l\u00fd kh\u00f4ng hi\u1ec7u qu\u1ea3 Nh\u00e0 th\u1ea7u s\u1ebd lo\u1ea1i b\u1ecf thay b\u1eb1ng \u0111\u1ea5t \u0111\u1ee7 ti\u00eau chu\u1ea9n.<\/p>\n

                          – \u0110\u1ed1i v\u1edbi \u0111\u1ea5t \u0111\u1eafp c\u1ee9 5.000 m3<\/sup> l\u1ea5y m\u1ed9t t\u1ed5 h\u1ee3p 0 m\u1eabu \u0111\u1ec3 ki\u1ec3m tra th\u00e0nh ph\u1ea7n h\u1ea1t v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a \u0111\u1ea5t.<\/p>\n

                          – B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 hi\u1ec7n tr\u01b0\u1eddng th\u01b0\u1eddng xyu\u00ean ki\u1ec3m tra gi\u00e1m s\u00e1t, v\u00e0 h\u01b0\u1edbng d\u1eabn th\u1ef1c hi\u1ec7n.<\/p>\n

                            \n
                          1. Ki\u1ec3m ta sau khi thi c\u00f4ng.<\/strong><\/li>\n<\/ol>\n

                            2.1. Ki\u1ec3m tra v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc.<\/em><\/strong><\/p>\n

                            K\u00edch th\u01b0\u1edbc n\u1ec1n \u0111\u01b0\u1eddng:<\/p>\n

                            – C\u1ee9 100m ki\u1ec3m tra t\u1ed1i thi\u1ec3u m\u1ed9t m\u1eb7t c\u1eaft ngang.<\/p>\n

                            – V\u1edbi 1\/2 b\u1ec1 r\u1ed9ng n\u1ec1n \u0111\u01b0\u1eddng t\u00ednh t\u1eeb tim \u0111\u01b0\u1eddng ra m\u00e9p \u0111\u01b0\u1eddng sai s\u1ed1 cho ph\u00e9p kh\u00f4ng l\u1edbn h\u01a1n 10cm nh\u01b0ng c\u1ea3 b\u1ec1 r\u1ed9ng c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ee5t qu\u00e1 10 cm.<\/p>\n

                            – \u0110\u1ed9 d\u1ed1c m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 si\u00eau cao kh\u00f4ng \u0111\u01b0\u1ee3c sai qu\u00e1 5% quy \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

                            Tim \u0111\u01b0\u1eddng:<\/p>\n

                            – Ki\u1ec3m tra t\u1ea1i c\u00e1c c\u1ecdc H, N\u0110, NC, T\u0110, TC, PG \u0111\u1ed9 l\u1ec7ch tim cho ph\u00e9p t\u1ed1i \u0111a 10 cm nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c t\u1ea1o th\u00eam \u0111\u01b0\u1eddng cong.<\/p>\n

                            Cao \u0111\u1ed9 tim v\u00e0 m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng:<\/p>\n

                            – C\u1ee9 100m ki\u1ec3m tra m\u1ed9t m\u1eb7t c\u1eaft ngang, cao th\u1ea5p h\u01a1n so v\u1edbi thi\u1ebft k\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 2 cm v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecdng n\u01b0\u1edbc (V\u00ec m\u1eb7t \u0111\u01b0\u1eddng \u1edf \u0111\u00e2y l\u00e0 b\u00ea t\u00f4ng nh\u1ef1a n\u00f3ng tr\u00ean m\u00f3ng c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m sai s\u1ed1 cho ph\u00e9p r\u1ea5t nh\u1ecf v\u00e0 l\u00e0 v\u1eadt li\u1ec7u \u0111\u1eaft ti\u1ec1n, n\u00ean \u0111\u1ed9 cao n\u1ec1n \u0111\u1ea5t c\u1ea7n \u0111\u1ea3m b\u1ea3o sai s\u1ed1 h\u1ee3p l\u00fd).<\/p>\n

                              \n
                            1. \u0110\u1ed9 b\u1eb1ng ph\u1eb3ng c\u1ee7a b\u1ec1 m\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng:<\/li>\n<\/ol>\n

                              D\u00f9ng th\u01b0\u1edbc 3 m \u0111\u1ec3 ki\u1ec3m tra sai s\u1ed1 t\u1ed1i \u0111a l\u00e0 3 cm.<\/p>\n

                                \n
                              1. M\u00e1i \u0111\u01b0\u1eddng:<\/li>\n<\/ol>\n

                                Sai s\u1ed1 \u0111\u1ed9 d\u1ed1c so v\u1edbi thi\u1ebft k\u1ebf 5%, \u0111\u1ed9 ph\u1eb3ng m\u00e1i \u0111\u1ea5t ho\u1eb7c m\u00e1i x\u00e2y \u0111\u00e1 h\u1ed9c khi \u0111o b\u1eb1ng th\u01b0\u1edbc d\u00e0i 3 m l\u00e0 5 cm.<\/p>\n

                                2.2. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng sau khi thi c\u00f4ng.<\/em><\/strong><\/p>\n

                                – Tr\u00ean tuy\u1ebfn c\u1ee9 1000 m2<\/sup> ki\u1ec3m tra t\u1ed1i thi\u1ec3u 1 \u0111i\u1ec3m. T\u1ea1i m\u1ed7i \u0111i\u1ec3m ki\u1ec3m tra 3 m\u1eabu \u0111\u1ea5t \u1edf 3 v\u1ecb tr\u00ed: 1\/3 ph\u00eda tr\u00ean l\u1edbp \u0111\u1ea5t \u0111\u1eafp, \u1edf gi\u1eefa l\u1edbp \u0111\u1ea5t \u0111\u1eafp v\u00e0 1\/3 ph\u00eda d\u01b0\u1edbi l\u1edbp \u0111\u1ea5t \u0111\u1eafp, sau \u0111\u00f3 l\u1ea5y tr\u1ecb s\u1ed1 trung b\u00ecnh k\u1ebft qu\u1ea3 ki\u1ec3m tra.<\/p>\n

                                – T\u1ea1i m\u1ed7i \u0111\u1ea7u c\u1ed1ng m\u1ed7i b\u00ean ki\u1ec3m tra t\u1ed1i thi\u1ec3u 1 \u0111i\u1ec3m.<\/p>\n

                                – \u0110\u1ed9 ch\u1eb7t \u0111\u1ea7m n\u00e9n ki\u1ec3m tra \u00b3 \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u, trong tr\u01b0\u1eddng h\u1ee3p c\u00e1 bi\u1ec7t sai s\u1ed1 kh\u00f4ng qu\u00e1 2% so v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                                – C\u00f3 bi\u00ean b\u1ea3n nghi\u1ec7m thu \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u00f4ng t\u00e1c, c\u00e1c h\u1ea1ng m\u1ee5c thi c\u00f4ng. \u0110\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a TVGS tr\u01b0\u1edbc khi thi c\u00f4ng c\u00e1c l\u1edbp \u0111\u1eafp ti\u1ebfp theo. C\u00f3 bi\u00ean b\u1ea3n nghi\u1ec7m thu chuy\u1ec3n giai \u0111o\u1ea1n thi c\u00f4ng khi ho\u00e0n th\u00e0nh n\u1ec1n K95 sang n\u1ec1n \u0111\u1eafp K98, c\u0169ng nh\u01b0 chuy\u1ec3n giai \u0111o\u1ea1n thi c\u00f4ng n\u1ec1n dang thi c\u00f4ng k\u1ebft c\u1ea5u m\u00f3ng \u0111\u01b0\u1eddng.<\/p>\n

                                 <\/p>\n

                                CH\u01af\u01a0NG IV. THI C\u00d4NG M\u00d3NG \u0110\u01af\u1edcNG<\/strong><\/p>\n

                                 <\/p>\n

                                  \n
                                1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG V\u00c0 \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                  Tuy\u1ebfn \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng m\u1edbi xa khu d\u00e2n c\u01b0 n\u00ean ch\u1ec9 c\u00f3 xe chuy\u00ean d\u1ee5ng thi c\u00f4ng \u0111i qua, l\u01b0u l\u01b0\u1ee3ng nh\u1ecf kh\u00f4ng ph\u1ee9c t\u1ea1p trong \u0111\u1ea3m b\u1ea3o giao th\u00f4ng. Khi thi c\u00f4ng m\u00f3ng c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m, nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed thi c\u00f4ng \u0111\u1ea3m b\u1ea3o giao th\u00f4ng nh\u01b0 sau. T\u1eadp k\u1ebft v\u1eadt li\u1ec7u th\u00e0nh \u0111\u1ed1ng tr\u00ean 1\/2 b\u1ec1 r\u1ed9ng \u0111\u01b0\u1eddng. San g\u1ea1t s\u01a1 b\u1ed9 xong m\u1edbi t\u1eadp k\u1ebft v\u1eadt li\u1ec7u n\u1eeda \u0111\u01b0\u1eddng c\u00f2n l\u1ea1i. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u1ea3m b\u1ea3o th\u00f4ng xe, c\u00e1c thi\u1ebft b\u1ecb, s\u1ebd t\u1ea1m chuy\u1ec3n sang m\u1ed9t ph\u1ea7n \u0111\u01b0\u1eddng. Sau khi thi c\u00f4ng \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng, l\u1edbp m\u00f3ng tr\u00ean \u0111\u01b0\u1ee3c t\u01b0\u1edbi nh\u1ef1a th\u1ea5m 1.0 kg\/m2<\/sup>.<\/p>\n

                                    \n
                                  1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n
                                  2. Thi c\u00f4ng CP\u0110D lo\u1ea1i II.<\/strong><\/li>\n<\/ol>\n

                                    Th\u00ed nghi\u1ec7m.<\/em><\/strong><\/p>\n

                                    – L\u1ea5y m\u1eabu CP\u0110D lo\u1ea1i II \u0111\u1ec3 th\u00ed nghi\u1ec7m ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng so v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

                                    L\u00e0m th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng kh\u00f4 l\u1edbn nh\u1ea5t v\u00e0 \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t W0<\/sub> c\u1ee7a CP\u0110D (Theo ti\u00eau chu\u1ea9n \u0111\u1ea7m n\u00e9n c\u1ea3i ti\u1ebfn AASHTO T180).<\/p>\n

                                    X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 r\u1ea3i theo c\u00f4ng th\u1ee9c<\/em><\/strong><\/p>\n\n\n\n\n
                                    Kr\u1ea3i<\/sub><\/td>\n=<\/td>\ngcmax <\/sub>x K<\/td>\n<\/tr>\n
                                    gctn<\/sub><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                    Trong \u0111\u00f3:<\/p>\n

                                    – gcmax<\/sub> l\u00e0 dung tr\u1ecdng kh\u00f4 l\u1edbn nh\u1ea5t c\u1ee7a CP\u0110D theo k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m \u0111\u1ea7m n\u00e9n ti\u00eau chu\u1ea9n. K l\u00e0 \u0111\u1ed9 ch\u1eb7t \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1eb1ng ho\u1eb7c l\u1edbn h\u01a1n 0,98; gctn <\/sub>l\u00e0 dung tr\u1ecdng kh\u00f4 c\u1ee7a CP\u0110D l\u00fac ch\u01b0a lu l\u00e8n.<\/p>\n

                                    – Kr\u1ea3i<\/sub> c\u00f3 th\u1ec3 t\u1ea1m l\u1ea5y b\u1eb1ng 1,3 v\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c th\u00f4ng qua r\u1ea3i th\u1eed.<\/p>\n

                                    Chu\u1ea9n b\u1ecb c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 ki\u1ec3m tra trong qu\u00e1 tr\u00ecnh thi c\u00f4ng:<\/em><\/strong><\/p>\n

                                    – X\u00fac x\u1eafc kh\u1ed1ng ch\u1ebf b\u1ec1 d\u00e0y v\u00e0 th\u01b0\u1edbc mui luy\u1ec7n.<\/p>\n

                                    – B\u1ed9 s\u00e0ng v\u00e0 c\u00e2n \u0111\u1ec3 ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u1ea1t.<\/p>\n

                                    – B\u1ed9 th\u00ed nghi\u1ec7m \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng c\u00e1t (Ki\u1ec3m tra \u0111\u1ed9 b\u1ea9n).<\/p>\n

                                    – Trang b\u1ecb d\u1ee5ng c\u1ee5 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ea9m c\u1ee7a CP\u0110D.<\/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

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

                                    – \u00d4 t\u00f4 t\u1ef1 \u0111\u1ed5 v\u1eadn chuy\u1ec3n CP\u0110D.<\/p>\n

                                    – Trang thi\u1ebft b\u1ecb phun t\u01b0\u1edbi n\u01b0\u1edbc \u1edf m\u1ecdi kh\u00e2u thi c\u00f4ng (Xe xit\u00e9c phun n\u01b0\u1edbc, b\u01a1m c\u00f3 v\u00f2i t\u01b0\u1edbi c\u1ea7m tay, b\u00ecnh t\u01b0\u1edbi th\u1ee7 c\u00f4ng\u2026).<\/p>\n

                                    – M\u00e1y r\u1ea3i CP\u0110D (tr\u01b0\u1eddng h\u1ee3p b\u1ea5t \u0111\u1eafc d\u0129 c\u00f3 th\u1ec3 d\u00f9ng m\u00e1y san t\u1ef1 h\u00e0nh b\u00e1nh l\u1ed1p \u0111\u1ec3 san r\u1ea3i \u0111\u00e1 cho l\u1edbp m\u00f3ng d\u01b0\u1edbi, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng m\u00e1y \u1ee7i \u0111\u1ec3 san g\u1ea1t).<\/p>\n

                                    – Ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ea7m n\u00e9n: Lu rung b\u00e1nh s\u1eaft c\u1ee1 3 \u2013 6T, ngo\u00e0i lu rung ph\u1ea3i c\u00f3 lu t\u0129nh b\u00e1nh s\u1eaft 8 \u2013 10 t\u1ea5n, lu b\u00e1nh l\u1ed1p v\u1edbi t\u1ea3i tr\u1ecdng b\u00e1nh 2,5 \u2013 4 t\u1ea5n\/b\u00e1nh.<\/p>\n

                                    – C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n r\u1ea3i l\u1edbp nh\u1ef1a th\u1ea5m (Khi l\u00e0m l\u1edbp m\u00f3ng tr\u00ean).<\/p>\n

                                    R\u1ea3i th\u1eed<\/em><\/strong><\/p>\n

                                    – Tr\u01b0\u1edbc khi \u0111i v\u00e0o thi c\u00f4ng \u0111\u1ea1i tr\u00e0, nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng tr\u00ean \u0111o\u1ea1n th\u00ed \u0111i\u1ec3m chi\u1ec1u d\u00e0i 50 \u2013 100m c\u00f3 s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a TVGS \u0111\u1ec3 ho\u00e0n ch\u1ec9nh d\u00e2y chuy\u1ec1n thi c\u00f4ng. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng qu\u00e1 tr\u00ecnh thi c\u00f4ng, s\u1ef1 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb t\u1eeb \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh s\u01a1 \u0111\u1ed3 lu l\u00e8n v\u00e0 c\u00f4ng \u0111\u1ea7m n\u00e9n. Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed thi c\u00f4ng l\u1edbp CP\u0110D lo\u1ea1i II th\u00e0nh 2 l\u1edbp, m\u1ed7i l\u1edbp c\u00f3 b\u1ec1 d\u00e0y sau khi \u0111\u1ea7m n\u00e9n ch\u1eb7t l\u00e0 10 cm.<\/p>\n

                                    Chu\u1ea9n b\u1ecb hi\u1ec7n tr\u01b0\u1eddng.<\/em><\/strong><\/p>\n

                                    – L\u1edbp n\u1ec1n m\u00f3ng ph\u00eda d\u01b0\u1edbi \u0111\u00e3 thi c\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, \u0111\u01b0\u1ee3c nghi\u1ec7m thu c\u1ee7a TVGS nh\u1ea5t tr\u00ed v\u00e0 chuy\u1ec3n giai \u0111o\u1ea1n thi c\u00f4ng. Gi\u1ea3i ph\u00f3ng c\u00e1c ch\u01b0\u1edbng ng\u1ea1i (n\u1ebfu c\u00f3) trong ph\u1ea1m vi thi c\u00f4ng.<\/p>\n

                                    – Nh\u00e0 th\u1ea7u d\u00f9ng m\u00e1y kinh v\u0129 v\u00e0 m\u00e1y th\u1ee7y b\u00ecnh \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed v\u00e0 cao \u0111\u1ed9 tr\u01b0\u1edbc khi thi c\u00f4ng. C\u1eafm c\u1ecdc gi\u1edbi h\u1ea1n v\u1ec7t r\u1ea3i\u2026<\/p>\n

                                    V\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

                                    – V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5. D\u00f9ng m\u00e1y x\u00fac l\u1eadt \u0111\u1ec3 x\u00fac CP\u0110D l\u00ean xe. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng x\u1ebbng ho\u1eb7c m\u00e1y x\u00fac b\u00e1nh x\u00edch tr\u00e1ng \u0111\u1ec3 c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m ph\u00e2n t\u1ea7ng. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ed5 th\u00e0nh \u0111\u1ed1ng theo kho\u1ea3ng c\u00e1ch \u0111\u00e3 t\u00ednh tr\u01b0\u1edbc t\u00f9y thu\u1ed9c chi\u1ec1u d\u00e0y l\u1edbp r\u1ea3i c\u00f3 k\u1ec3 \u0111\u1ebfn h\u1ec7 s\u1ed1 lu l\u00e8n. Qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 v\u1eadt li\u1ec7u tr\u00e1nh \u0111\u1ec3 v\u1eadt li\u1ec7u ph\u00e2n t\u1ea7ng.<\/p>\n

                                    – Ki\u1ec3m tra c\u00e1c ch\u1ec9 ti\u00eau c\u1ee7a CP\u0110D lo\u1ea1i II tr\u01b0\u1edbc khi ti\u1ebfp nh\u1eadn, ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

                                    C\u00f4ng t\u00e1c san r\u1ea3i v\u1eadt li\u1ec7u.<\/em><\/strong><\/p>\n

                                    – V\u1eadt li\u1ec7u khi r\u1ea3i ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t ho\u1eb7c W0<\/sub> \u00b1 1%. N\u1ebfu v\u1eadt li\u1ec7u kh\u00f4ng ph\u1ea3i b\u1ed5 sung n\u01b0\u1edbc b\u1eb1ng v\u00f2i hoa sen ho\u1eb7c v\u00f2i t\u01b0\u1edbi xe t\u1eb9c nh\u01b0ng v\u00f2i phun h\u01b0\u1edbng l\u00ean tr\u00ean \u0111\u1ec3 t\u1ea1o m\u01b0a. V\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 \u1ea9 cao c\u1ea7n ph\u1ea3i hong cho n\u01b0\u1edbc b\u1ed1c h\u01a1i.<\/p>\n

                                    – D\u00f9ng m\u00e1y r\u1ea3i \u0111\u1ec3 san r\u1ea3i v\u1eadt li\u1ec7u, b\u00f9 ph\u1ee5 th\u1eeba thi\u1ebfu b\u1eb1ng nh\u00e2n c\u00f4ng. Khi xe v\u1eadn chuy\u1ec3n \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng, \u0111\u1ed5 v\u1eadt li\u1ec7u tr\u1ef1c ti\u1ebfp v\u00e0o th\u00f9ng r\u1ea3i, chi\u1ec1u cao r\u01a1i v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 50 cm.<\/p>\n

                                    – Khi thi c\u00f4ng hai l\u1edbp CP\u0110D k\u1ebf li\u1ec1n th\u00ec tr\u01b0\u1edbc khi r\u1ea3i CP\u0110D l\u1edbp sau, ti\u1ebfn h\u00e0nh t\u01b0\u1edbi \u1ea9m m\u1eb7t c\u1ee7a l\u1edbp d\u01b0\u1edbi v\u00e0 ph\u1ea3i thi c\u00f4ng ngay l\u1edbp sau \u0111\u1ec3 tr\u00e1nh xe c\u1ed9 \u0111i l\u1ea1i l\u00e0m h\u01b0 h\u1ecfng b\u1ec1 m\u1eb7t l\u1edbp d\u01b0\u1edbi.<\/p>\n

                                    – Khi thi c\u00f4ng CP\u0110D th\u00e0nh t\u1eebng v\u1ec7t tr\u00ean b\u1ec1 r\u1ed9ng c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng th\u00ec tr\u01b0\u1edbc khi r\u1ea3i v\u1ec7t sau ti\u1ebfn h\u00e0nh x\u1eafn th\u1eb3ng \u0111\u1ee9ng v\u00e1ch th\u00e0nh c\u1ee7a v\u1ec7t r\u1ea3i tr\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng lu l\u00e8n ch\u1ed7 ti\u1ebfp gi\u00e1p gi\u1eefa hai v\u1ec7t.<\/p>\n

                                    C\u00f4ng t\u00e1c lu l\u00e8n:<\/em><\/strong><\/p>\n

                                    – \u0110\u1ea7u ti\u00ean d\u00f9ng lu t\u0129nh 6T t\u1ed1c \u0111\u1ed9 1 \u2013 1.5 km\/h c\u00f4ng lu \u0111\u1ea1t 30% c\u00f4ng lu y\u00eau c\u1ea7u. Sau 3 \u2013 4 l\u01b0\u1ee3t\/\u0111i\u1ec3m ph\u1ea3i ti\u1ebfn h\u00e0ng xong c\u00f4ng t\u00e1c b\u00f9 ph\u1ee5 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o chi\u1ec1u d\u00e0y k\u1ebft c\u1ea5u, b\u1eb1ng ph\u1eb3ng \u0111\u00fang mui luy\u1ec7n.<\/p>\n

                                    – Ti\u1ebfp theo d\u00f9ng lu rung \u0111\u1ec3 lu l\u00e8n v\u1edbi 8-10 l\u01b0\u1ee3t\/\u0111i\u1ec3m.<\/p>\n

                                    – Sau \u0111\u00f3 d\u00f9ng lu b\u00e1nh l\u1ed1p \u0111\u1ec3 lu l\u00e8n t\u1eeb 20 \u2013 25 l\u01b0\u1ee3t\/\u0111i\u1ec3m.<\/p>\n

                                    – Lu l\u00e0 ph\u1eb3ng b\u1eb1ng lu b\u00e1nh s\u1eaft 8 \u2013 10 T.<\/p>\n

                                    – Trong qu\u00e1 tr\u00ecnh lu ch\u00fa \u00fd t\u01b0\u1edbi n\u01b0\u1edbc b\u1ed5 sung l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ed1c h\u01a1i.<\/p>\n

                                    – C\u00f4ng t\u00e1c lu l\u00e8n \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1eeb th\u1ea5p l\u00ean cao, lu t\u1eeb l\u1ec1 v\u00e0o tim \u0111\u01b0\u1eddng, t\u1eeb b\u1ee5ng \u0111\u1ebfn l\u01b0ng \u0111\u01b0\u1eddng cong. C\u00e1c v\u1ec7t b\u00e1nh lu ph\u1ea3i ch\u1ed3ng l\u00ean nhau b\u1ec1 r\u1ed9ng 25 cm. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u0103n c\u1ee9 v\u00e0o k\u1ebft qu\u1ea3 \u0111o\u1ea1n l\u00e0m th\u00ed \u0111i\u1ec3m \u0111\u1ec3 b\u1ed1 tr\u00ed s\u01a1 \u0111\u1ed3 lu cho h\u1ee3p l\u00fd.<\/p>\n

                                    – Thi c\u00f4ng xong l\u1edbp th\u1ee9 nh\u1ea5t tr\u00ean \u0111o\u1ea1n c\u00f4ng t\u00e1c 200 \u2013 300m ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp th\u1ee9 hai. Qu\u00e1 tr\u00ecnh thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 l\u1edbp th\u1ee9 nh\u1ea5t.<\/p>\n

                                      \n
                                    1. Thi c\u00f4ng l\u1edbp c\u1ea5p ph\u1ed1i \u0111\u00e1 d\u0103m lo\u1ea1i I.<\/strong><\/li>\n<\/ol>\n

                                      Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi thi c\u00f4ng.<\/em><\/strong><\/p>\n

                                      – L\u1ea5y m\u1eabu CP\u0110D lo\u1ea1i I \u0111\u1ec3 th\u00ed nghi\u1ec7m ki\u1ec3m tra c\u00e1c ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00fang v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf. L\u00e0m th\u00ed nghi\u1ec7m x\u00e1c \u0111\u1ecbnh dung tr\u1ecdng kh\u00f4 l\u1edbn nh\u1ea5t v\u00e0 h\u1ec7 s\u1ed1 l\u00e8n \u00e9p.<\/p>\n

                                      – Tr\u01b0\u1edbc khi \u0111i v\u00e0o thi c\u00f4ng \u0111\u1ea1i tr\u00e0, nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng tr\u00ean \u0111o\u1ea1n th\u00ed \u0111i\u1ec3m chi\u1ec1u d\u00e0i 50 \u2013 100m c\u00f3 s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a TVGS \u0111\u1ec3 ho\u00e0n ch\u1ec9nh quy tr\u00ecnh v\u00e0 d\u00e2y chuy\u1ec1n thi c\u00f4ng. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng qu\u00e1 tr\u00ecnh thi c\u00f4ng, s\u1ef1 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb t\u1eeb \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh, s\u01a1 \u0111\u1ed3 lu l\u00e8n v\u00e0 c\u00f4ng \u0111\u1ea7m n\u00e9n. Chi\u1ec1u d\u00e0y sau khi \u0111\u1ea7m n\u00e9n c\u1ee7a l\u1edbp CP\u0110D lo\u1ea1i I l\u00e0 15 cm \u0111\u01b0\u1ee3c r\u1ea3i 1 l\u1edbp.<\/p>\n

                                      – Chu\u1ea9n b\u1ecb c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng c\u0169ng nh\u01b0 thi\u1ebft b\u1ecb ki\u1ec3m tra nh\u01b0: th\u01b0\u1edbc ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng, con x\u00fac x\u1eafc kh\u1ed1ng ch\u1ebf b\u1ec1 d\u00e0y, b\u1ed9 s\u00e0ng ph\u00e2n t\u00edch th\u00e0nh ph\u1ea7n h\u1ea1t c\u0169ng nh\u01b0 c\u00e1c d\u1ee5ng c\u1ee5 kh\u00e1c.<\/p>\n

                                      – Chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 thi\u1ebft b\u1ecb thi c\u00f4ng, \u0111\u1ea3m b\u1ea3o s\u1ef1 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n

                                      – L\u1edbp n\u1ec1n m\u00f3ng ph\u00eda d\u01b0\u1edbi \u0111\u00e3 thi c\u00f4ng \u0111\u1ea3m b\u1ea3o k\u1ef9 thu\u1eadt, \u0111\u01b0\u1ee3c nghi\u1ec7m thu c\u1ee7a TVGS \u0111\u1ec3 chuy\u1ec3n giai \u0111o\u1ea1n thi c\u00f4ng. Gi\u1ea3i ph\u00f3ng c\u00e1c ch\u01b0\u1edbng ng\u1ea1i (n\u1ebfu c\u00f3) trong ph\u1ea1m vi thi c\u00f4ng.<\/p>\n

                                      \u0110o \u0111\u1ea1c \u0111\u1ecbnh v\u1ecb:<\/em><\/strong><\/p>\n

                                      – Nh\u00e0 th\u1ea7u d\u00f9ng m\u00e1y kinh v\u0129 v\u00e0 m\u00e1y th\u1ee7y b\u00ecnh \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed v\u00e0 cao \u0111\u1ed9 tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

                                      V\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

                                      – V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n t\u1edbi c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5. V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ed5 th\u00e0nh \u0111\u1ed1ng theo kho\u1ea3ng c\u00e1ch \u0111\u00e3 t\u00ednh tr\u01b0\u1edbc t\u00f9y thu\u1ed9c chi\u1ec1u d\u00e0y l\u1edbp r\u1ea3i c\u00f3 k\u1ec3 \u0111\u1ebfn h\u1ec7 s\u1ed1 lu l\u00e8n. Qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 v\u1eadt li\u1ec7u tr\u00e1nh \u0111\u1ec3 v\u1eadt li\u1ec7u ph\u00e2n t\u1ea7ng.<\/p>\n

                                      – V\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c x\u00fac l\u00ean ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n b\u1eb1ng m\u00e1y x\u00fac b\u00e1nh l\u1ed1p, kh\u00f4ng d\u00f9ng x\u1ebbng \u0111\u1ec3 x\u00fac v\u1eadt li\u1ec7u.<\/p>\n

                                      – Ki\u1ec3m tra c\u00e1c ch\u1ec9 ti\u00eau CP\u0110D lo\u1ea1i I tr\u01b0\u1edbc khi ti\u1ebfp nh\u1eadn, ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u1ea3m b\u1ea3o theo y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

                                      C\u00f4ng t\u00e1c san r\u1ea3i v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

                                      – V\u1eadt li\u1ec7u khi r\u1ea3i ph\u1ea3m \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t ho\u1eb7c W0<\/sub> \u00b1 2%. N\u1ebfu v\u1eadt li\u1ec7u kh\u00f4ng ph\u1ea3i b\u1ed5 sung n\u01b0\u1edbc b\u1eb1ng v\u00f2i hoa sen ho\u1eb7c v\u00f2i t\u01b0\u1edbi xe t\u1eb9c nh\u01b0ng v\u00f2i phun h\u01b0\u1edbng l\u00ean tr\u00ean \u0111\u1ec3 t\u1ea1o m\u01b0a. V\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 \u1ea9m cao c\u1ea7n ph\u1ea3i hong cho n\u01b0\u1edbc b\u1ed1c h\u01a1i.<\/p>\n

                                      – D\u00f9ng m\u00e1y r\u1ea3i \u0111\u1ec3 r\u1ea3i v\u1eadt li\u1ec7u, b\u00f9 ph\u1ee5 th\u1eeba thi\u1ebfu b\u1eb1ng nh\u00e2n c\u00f4ng.<\/p>\n

                                      C\u00f4ng t\u00e1c lu l\u00e8n.<\/em><\/strong><\/p>\n

                                      – \u0110\u1ea7u ti\u00ean d\u00f9ng lu t\u0129nh 6 \u2013 8T ti\u1ebfn h\u00e0nh lu s\u01a1 b\u1ed9 t\u1eeb 3 \u2013 4 l\u01b0\u1ee3t\/\u0111i\u1ec3m.<\/p>\n

                                      – Ti\u1ebfp theo d\u00f9ng lu rung \u0111\u1ec3 lu l\u00e8n v\u1edbi 8 \u2013 10 l\u01b0\u1ee3t\/\u0111i\u1ec3m.<\/p>\n

                                      – Sau \u0111\u00f3 d\u00f9ng lu b\u00e1nh l\u1ed1p \u0111\u1ec3 lu l\u00e8n t\u1eeb 20 \u2013 25 l\u01b0\u1ee3t\/\u0111i\u1ec3m.<\/p>\n

                                      – Lu l\u00e0 ph\u1eb3ng b\u1eb1ng lu b\u00e1nh s\u1eaft 8 \u2013 10T.<\/p>\n

                                      – Trong qu\u00e1 tr\u00ecnh lu ch\u00fa \u00fd t\u01b0\u1edbi n\u01b0\u1edbc b\u1ed5 sung l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ed1c h\u01a1i.<\/p>\n

                                      – C\u00f4ng t\u00e1c lu l\u00e8n \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1eeb th\u1ea5p l\u00ean cao, lu t\u1eeb l\u1ec1 v\u00e0o tim \u0111\u01b0\u1eddng, t\u1eeb b\u1ee5ng \u0111\u1ebfn l\u01b0ng \u0111\u01b0\u1eddng cong. C\u00e1c v\u1ec7t b\u00e1nh lu ph\u1ea3i ch\u1ed1ng l\u00ean nhau b\u1ec1 r\u1ed9ng 25 cm. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u0103n c\u1ee9 v\u00e0o k\u1ebft qu\u1ea3 \u0111o\u1ea1n l\u00e0m th\u00ed \u0111i\u1ec3m \u0111\u1ec3 b\u1ed1 tr\u00ed s\u01a1 \u0111\u1ed3 lu cho h\u1ee3p l\u00fd.<\/p>\n

                                        \n
                                      1. Thi c\u00f4ng l\u1edbp nh\u1ef1a th\u1ea5m v\u00e0 d\u00ednh b\u00e1m TC 1l\u00edt\/m2<\/sup><\/strong><\/li>\n<\/ol>\n

                                        – D\u00f9ng m\u00e1y n\u00e9n kh\u00ed k\u1ebft h\u1ee3p v\u1edbi nh\u00e2n c\u00f4ng v\u1ec7 sinh s\u1ea1ch s\u1ebd m\u1eb7t \u0111\u01b0\u1eddng.<\/p>\n

                                        – Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp nh\u1ef1a th\u1ea5m b\u00e1m ph\u1ea3i c\u00f3 s\u1ef1 ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu c\u1ee7a TVGS, t\u1ea5t c\u1ea3 m\u1ecdi v\u1eadt li\u1ec7u r\u1eddi \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u01a1n v\u1ecb thi c\u00f4ng \u0111em ra kh\u1ecfi b\u1ec1 m\u1eb7t r\u1ea3i.<\/p>\n

                                        – \u0110o \u0111\u1ea1c v\u00e0 \u0111\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi t\u01b0\u1edbi nh\u1ef1a.<\/p>\n

                                        – T\u01b0\u1edbi nh\u1ef1a th\u1ea5m: Nh\u1ef1a pha d\u1ea7u 1,0kg\/m2<\/sup> ho\u1eb7c 1,5-1,6 kg\/m2<\/sup> nh\u0169 t\u01b0\u01a1ng nh\u1ef1a \u0111\u01b0\u1eddng ph\u00e2n t\u00e1ch nhanh.<\/p>\n

                                        \u0110un n\u00f3ng nh\u1ef1a \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 thi c\u00f4ng. C\u00f4ng t\u00e1c t\u01b0\u1edbi nh\u1ef1a th\u1ef1c hi\u1ec7n b\u1eb1ng m\u00e1y t\u01b0\u1edbi nh\u1ef1a, \u0111\u1ea3m b\u1ea3o th\u1eddi gian ch\u1edd gi\u00e3n c\u00e1ch theo \u0111\u00fang quy \u0111\u1ecbnh.<\/p>\n

                                        – L\u1edbp nh\u1ef1a th\u1ea5m b\u00e1m ch\u1ec9 \u0111\u01b0\u1ee3c thi c\u00f4ng khi b\u1ec1 m\u1eb7t r\u1ea3i l\u00e0 kh\u00f4, ho\u1eb7c \u0111\u1ed9 \u1ea9m kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 \u1ea9m cho ph\u00e9p, nhi\u1ec7t \u0111\u1ed9 130<\/sup>C v\u00e0o bu\u1ed5i s\u00e1ng v\u00e0\u00a0 150<\/sup>C v\u00e0o bu\u1ed5i chi\u1ec1u. Kh\u00f4ng cho ph\u00e9p ph\u01b0\u01a1ng ti\u1ec7n \u0111i l\u1ea1i tr\u00ean b\u1ec1 m\u1eb7t \u0111\u00e3 chu\u1ea9n b\u1ecb.<\/p>\n

                                        – T\u1ed1c \u0111\u1ed9 xe t\u01b0\u1edbi v\u00e0 l\u01b0\u1ee3ng nh\u1ef1a t\u01b0\u1edbi \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1eb7t ch\u1ebd \u0111\u1ea3m b\u1ea3o l\u01b0\u1ee3ng nh\u1ef1a 1kg\/m2<\/sup> theo x\u00e1c \u0111\u1ecbnh c\u1ee7a TVHT. B\u00f9 nh\u1ef1a b\u1eb1ng th\u1ee7 c\u00f4ng t\u1ea1i n\u01a1i thi\u1ebfu, th\u1ea5m b\u1edbt nh\u1ef1a t\u1ea1i nh\u1eefng ch\u1ed7 th\u1eeba. B\u1ea3o qu\u1ea3n k\u1ef9 c\u00e0ng, kh\u00f4ng cho c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n thi\u1ebft b\u1ecb l\u01b0u th\u00f4ng tr\u00ean \u0111\u00f3, c\u00f3 h\u00e0ng r\u00e0o, bi\u1ec3n b\u00e1o hi\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c \u0111i v\u00e0o.<\/p>\n

                                        III. BI\u1ec6N PH\u00c1P \u0110\u1ea2M B\u1ea2O CH\u1ea4T L\u01af\u1ee2NG TRONG X\u00c2Y L\u1eaeP.<\/strong><\/p>\n

                                          \n
                                        1. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng<\/strong><\/li>\n<\/ol>\n

                                          1.1. V\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc.<\/em><\/strong><\/p>\n

                                          – Th\u01b0\u1eddng xuy\u00ean \u0111o \u0111\u1ea1c ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh \u0111\u00fang v\u1ecb tr\u00ed, \u0111\u00fang cao \u0111\u1ed9 v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc. Ki\u1ec3m tra \u0111o \u0111\u1ea1c, c\u1eafm m\u1ed1c ch\u00ednh x\u00e1c t\u1ea1i tim \u0111\u01b0\u1eddng, m\u00e9p \u0111\u01b0\u1eddng\u2026 tr\u01b0\u1edbc khi thi c\u00f4ng. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i lu\u00f4n lu\u00f4n quan s\u00e1t, theo d\u00f5i, ki\u1ec3m tra b\u1ea3o \u0111\u1ea3m ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u1ee7a m\u00f3ng \u0111\u01b0\u1eddng.<\/p>\n

                                          1.2. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng <\/em><\/strong><\/p>\n

                                          + C\u1ee9 150m3<\/sup> ho\u1eb7c 1 ca thi c\u00f4ng ph\u1ea3i ti\u1ebfn h\u00e0nh l\u1ea5y m\u1eabu th\u00ed nghi\u1ec7m ki\u1ec3m tra th\u00e0nh ph\u1ea7n h\u1ea1t, v\u1ec1 t\u1ef7 l\u1ec7 h\u1ea1t thoi d\u1eb9t v\u1ec1 ch\u1ec9 s\u1ed1 d\u1ebbo ho\u1eb7c \u0111\u01b0\u01a1ng l\u01b0\u1ee3ng c\u00e1t.<\/p>\n

                                          + C\u1ee9 150m3<\/sup> ho\u1eb7c 1 ca thi c\u00f4ng ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u0111\u1ed9 \u1ea9m c\u1ee7a v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi r\u1ea3i.<\/p>\n

                                          – Kho\u1ea3ng 800m2<\/sup> ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t.<\/p>\n

                                            \n
                                          1. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng sau khi thi c\u00f4ng.<\/strong><\/li>\n<\/ol>\n

                                            – L\u00e0m t\u1ed1t c\u00f4ng t\u00e1c \u0111o \u0111\u1ea1c, \u0111\u1ecbnh v\u1ecb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1edbp m\u00f3ng \u0111\u00fang b\u1ec1 d\u00e0y, k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc, mui luy\u1ec7n. Sai s\u1ed1 kh\u00f4ng qu\u00e1 5% b\u1ec1 d\u00e0y thi\u1ebft k\u1ebf nh\u01b0ng kh\u00f4ng qu\u00e1 5 mm \u0111\u1ed1i v\u1edbi l\u1edbp m\u00f3ng tr\u00ean v\u00e0 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10 mm \u0111\u1ed1i v\u1edbi l\u1edbp d\u01b0\u1edbi. T\u0103ng c\u01b0\u1eddng c\u00f4ng t\u00e1c ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng, l\u00e0m t\u1ed1t c\u00f4ng t\u00e1c b\u00f9 ph\u1ee5 khi thi c\u00f4ng.<\/p>\n

                                            – D\u00f9ng th\u01b0\u1edbc 3m \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng, khe h\u1edf nh\u00ecn th\u1ea5y trong tr\u01b0\u1eddng h\u1ee3p c\u00e1 bi\u1ec7t kh\u00f4ng qu\u00e1 10 mm v\u1edbi l\u1edbp m\u00f3ng d\u01b0\u1edbi v\u00e0 5 mm v\u1edbi l\u1edbp m\u00f3ng tr\u00ean.<\/p>\n

                                            – Th\u00ed nghi\u1ec7m ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t l\u1edbp m\u00f3ng sau khi lu l\u00e8n. C\u1ee9 7.000 m2 <\/sup>ki\u1ec3m tra 3 \u0111i\u1ec3m theo ph\u01b0\u01a1ng ph\u00e1p r\u00f3t c\u00e1t v\u00e0 \u0111\u1ed9 ch\u1eb7t ki\u1ec3m tra K \u00b3 98%.<\/p>\n

                                            – Th\u01b0\u1eddng xuy\u00ean c\u00f3 c\u00e1n b\u1ed9 ch\u1ec9 \u0111\u1ea1o, ki\u1ec3m tra gi\u00e1m s\u00e1t thi c\u00f4ng \u0111\u00fang tr\u00ecnh t\u1ef1 \u0111\u00fang quy c\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 k\u1ef9 thu\u1eadt cho c\u00f4ng tr\u00ecnh.<\/p>\n

                                            – C\u00f3 bi\u00ean b\u1ea3n nghi\u1ec7m thu \u0111\u1ea7y \u0111\u1ee7 c\u00e1c c\u00f4ng t\u00e1c, c\u00e1c h\u1ea1ng m\u1ee5c thi c\u00f4ng. C\u00f3 bi\u00ean b\u1ea3n nghi\u1ec7m thu chuy\u1ec3n giai \u0111o\u1ea1n sang thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng BTN.<\/p>\n

                                             <\/p>\n

                                            CH\u01af\u01a0NG V. THI C\u00d4NG M\u1eb6T \u0110\u01af\u1edcNG & HO\u00c0N THI\u1ec6N \u0110\u01af\u1edcNG<\/strong><\/p>\n

                                             <\/p>\n

                                              \n
                                            1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG V\u00c0 \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                              Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp BTN tr\u00ean m\u1ed9t n\u1eeda b\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng. R\u1ea3i BTN th\u00e0nh hai v\u1ec7t, m\u1ed7i v\u1ec7t c\u00f3 b\u1ec1 r\u1ed9ng 3.5m t\u00ednh t\u1eeb tim ra m\u00e9p \u0111\u01b0\u1eddng. B\u1ed1 tr\u00ed thi\u1ebft b\u1ecb, nh\u00e2n l\u1ef1c trong di\u1ec7n thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

                                                \n
                                              1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n<\/ol>\n

                                                Tr\u00ecnh t\u1ef1:<\/p>\n

                                                – T\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m l\u1edbp m\u00f3ng v\u00e0 l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng t\u00ednh ch\u1ea5t 1 l\u00edt\/m2<\/sup><\/p>\n

                                                – Thi c\u00f4ng l\u1edbp BTN h\u1ea1t th\u00f4 7 cm.<\/p>\n

                                                – T\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m t\u00ednh ch\u1ea5t 0.3 l\u00edt\/m2<\/sup><\/p>\n

                                                – Thi c\u00f4ng l\u1edbp BTN h\u1ea1t m\u1ecbn.<\/p>\n

                                                  \n
                                                1. S\u1ea3n xu\u1ea5t BTN<\/strong><\/li>\n<\/ol>\n

                                                  B\u00ea t\u00f4ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i tr\u1ea1m tr\u1ed9n c\u1ee7a nh\u00e0 th\u1ea7u v\u1edbi c\u00f4ng su\u1ea5t 80T\/h. Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh thu\u00ea m\u1eb7t b\u1eb1ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 l\u1eafp d\u1ef1ng tr\u1ea1m tr\u1ed9n ho\u00e0n ch\u1ec9nh \u0111\u1ec3 s\u1ea3n xu\u1ea5t BTN.<\/p>\n

                                                  Th\u00ed nghi\u1ec7m v\u1eadt li\u1ec7u, t\u1eadp k\u1ebft v\u1eadt li\u1ec7u t\u1ea1i tr\u1ea1m tr\u1ed9n:<\/p>\n

                                                  – \u0110\u00e1 c\u1ed1t li\u1ec7u s\u1ea3n xu\u1ea5t b\u00ea t\u00f4ng nh\u1ef1a l\u00e0 \u0111\u00e1 v\u00f4i c\u00f3 ngu\u1ed3n g\u1ed1c tr\u1ea7m t\u00edch. C\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a \u0111\u00e1 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u1ea5t k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n, \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u th\u00ed nghi\u1ec7m \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi \u0111em v\u00e0o s\u1ea3n xu\u1ea5t. C\u1ed1t li\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb lo\u1ea1i \u0111\u00e1 v\u00f4i tr\u1ea7m t\u00ednh c\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng nh\u1ecf h\u01a1n 600 kg\/cm2<\/sup>. \u0110\u1ed9 hao m\u00f2n LosAngeles kh\u00f4ng l\u1edbn h\u01a1n 35%. L\u01b0\u1ee3ng h\u1ea1t m\u1ec1m y\u1ebfu kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10% kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ed1i v\u1edbi b\u00ea t\u00f4ng. H\u00e0m l\u01b0\u1ee3ng \u0111\u00e1 thoi d\u1eb9t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 15% kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e1 d\u0103m h\u1ed7n h\u1ee3p. H\u00e0m l\u01b0\u1ee3ng b\u1ee5i s\u00e9t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 2% kh\u1ed1i l\u01b0\u1ee3ng trong \u0111\u00f3 h\u00e0m l\u01b0\u1ee3ng s\u00e9t kh\u00f4ng qu\u00e1 0,05% kh\u1ed1i l\u01b0\u1ee3ng \u0111\u00e1. Tr\u01b0\u1edbc khi ch\u1ebf t\u1ea1o c\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo c\u00e1c k\u00edch c\u1ee1 kh\u00e1c nhau.<\/p>\n

                                                  – C\u00e1t ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a l\u00e0 c\u00e1t t\u1ef1 nhi\u00ean. C\u00e1t c\u00f3 m\u00f4 \u0111un \u0111\u1ed9 l\u1edbn Mk > 2, h\u00e0m l\u01b0\u1ee3ng c\u1ee1 h\u1ea1t 5 \u2013 1.25mm kh\u00f4ng d\u01b0\u1edbi 14%. H\u00e0m l\u01b0\u1ee3ng b\u1ee5i b\u00f9n s\u00e9t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 3% kh\u1ed1i l\u01b0\u1ee3ng. H\u1ec7 s\u1ed1 d\u01b0\u01a1ng l\u01b0\u1ee3ng c\u00e1t c\u1ee7a ph\u1ea7n c\u1ee1 h\u1ea1t 0 \u2013 4.75mm trong c\u00e1t thi\u00ean nhi\u00ean ph\u1ea3i l\u1edbn h\u01a1n 80. C\u00e1t b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 s\u1ea1ch, h\u00e0m l\u01b0\u1ee3ng b\u1ee5i v\u00e0 s\u00e9t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 3%. T\u00ednh ch\u1ea5t c\u01a1 l\u00fd c\u1ee7a c\u00e1t \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u th\u00ed nghi\u1ec7m \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn.<\/p>\n

                                                  – B\u1ed9t kho\u00e1ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u0111\u00e1 c\u00e1c bo n\u00e1t, c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n kh\u00f4ng nh\u1ecf h\u01a1n 200 daN\/cm2<\/sup>. B\u1ed9t kho\u00e1ng s\u1ea1ch, h\u00e0m l\u01b0\u1ee3ng b\u1ee5i s\u00e9t kh\u00f4ng qu\u00e1 5%. B\u1ed9t kho\u00e1ng kh\u00f4 t\u01a1i kh\u00f4ng v\u00f3n h\u00f2n. Th\u00e0nh ph\u1ea7n h\u1ea1t c\u1ee7a b\u1ed9t kho\u00e1ng n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p. \u0110\u1ed9 n\u1edf c\u1ee7a m\u1eabu ch\u1ebf t\u1ea1o b\u1eb1ng h\u1ed7n h\u1ee3p b\u1ed9t kho\u00e1ng v\u00e0 nh\u1ef1a < 2.5% b\u1eb1ng th\u1ec3 t\u00edch. \u0110\u1ed9 \u1ea9m b\u1ed9t kho\u00e1ng t\u1eeb 0 \u2013 1%. Kh\u1ea3 n\u0103ng h\u00fat nh\u1ef1a c\u1ee7a b\u1ed9t kho\u00e1ng \u00b3 40g. B\u1ed9t kho\u00e1ng c\u00f3 c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

                                                  – Nh\u1ef1a \u0111\u01b0\u1eddng s\u1eed d\u1ee5ng l\u00e0 lo\u1ea1i nh\u1ef1a \u0111\u1eb7c c\u00f3 ngu\u1ed3n g\u1ed1c d\u1ea7u m\u1ecf. Nh\u1ef1a \u0111\u01b0\u1eddng kh\u00f4ng l\u1eabn n\u01b0\u1edbc ho\u1eb7c c\u00e1c t\u1ea1p ch\u1ea5t. Tr\u01b0\u1edbc khi d\u00f9ng nh\u1ef1a, ki\u1ec3m tra, th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a nh\u1ef1a, c\u00e1c ch\u1ec9 ti\u00eau n\u00e0y \u0111\u00e1p \u1ee9ng \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n v\u00e0 \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn.<\/p>\n

                                                    \n
                                                  1. Ch\u1ebf t\u1ea1o.<\/strong><\/li>\n<\/ol>\n

                                                    – Nh\u1ef1a \u0111\u1eb7c \u0111\u01b0\u1ee3c n\u1ea5u s\u01a1 b\u1ed9 t\u1eeb 80 \u2013 1000<\/sup>C \u0111\u1ec3 b\u01a1m l\u00ean thi\u1ebft b\u1ecb n\u1ea5u nh\u1ef1a. Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a nh\u1ef1a khi chuy\u1ec3n l\u00ean th\u00f9ng \u0111ong c\u1ee7a m\u00e1y tr\u1ed9n ph\u1ea3i trong ph\u1ea1m vi 140 \u2013 1500<\/sup>C.<\/p>\n

                                                    – C\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c \u0111ong s\u01a1 b\u1ed9 v\u00e0 d\u1eabn b\u1eb1ng b\u0103ng t\u1ea3i. Rang n\u00f3ng c\u1ed1t li\u1ec7u, nhi\u1ec7t \u0111\u1ed9 c\u1ed1t li\u1ec7u \u0111\u1ea3m b\u1ea3o t\u1eeb 160 \u2013 1800<\/sup>C, \u0111\u1ed9 \u1ea9m < 0.5%. H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a tr\u01b0\u1edbc khi ra kh\u1ecfi th\u00f9ng ph\u1ea3i c\u00f3 nhi\u1ec7t \u0111\u1ed9 150 \u2013 1600<\/sup>C.<\/p>\n

                                                    – B\u1ed9t kho\u00e1ng \u1edf d\u1ea1ng ngu\u1ed9i sau khi \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c cho v\u00e0o th\u00f9ng tr\u1ed9n.<\/p>\n

                                                    – T\u1ea1m tr\u1ea1m tr\u1ed9n, nh\u00e0 th\u1ea7u trang b\u1ecb c\u00e1c thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u c\u0169ng nh\u01b0 h\u1ed7n h\u1ee3p BTN.<\/p>\n

                                                    – Tu\u1ef3 thu\u1ed9c v\u00e0o t\u1ef7 ph\u1ed1i thi\u1ebft k\u1ebf s\u1ebd thu \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m l\u00e0 BTN h\u1ea1t th\u00f4 hay BTN h\u1ea1t m\u1ecbn.<\/p>\n

                                                      \n
                                                    1. Thi c\u00f4ng l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a h\u1ea1t th\u00f4:<\/strong><\/li>\n<\/ol>\n

                                                      – H\u1ed7n h\u1ee3p BTN \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u l\u1ea5y m\u1eabu t\u1ea1i tr\u1ea1m v\u00e0 th\u00ed nghi\u1ec7m \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ch\u1ec9 ti\u00eau v\u1eadt li\u1ec7u theo \u0111\u00fang t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi thi c\u00f4ng.<\/p>\n

                                                      – Tr\u01b0\u1edbc khi \u0111i v\u00e0o thi c\u00f4ng \u0111\u1ea1i tr\u00e0, ph\u1ea3i ti\u1ebfn h\u00e0nh r\u1ea3i th\u00ed \u0111i\u1ec3m b\u00ea t\u00f4ng nh\u1ef1a tr\u00ean chi\u1ec1u d\u00e0i 100 \u2013 150 m c\u00f3 s\u1ef1 ch\u1ee9ng ki\u1ebfn c\u1ee7a TVGS \u0111\u1ec3 ki\u1ec3m tra s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1ed9 ch\u1eb7t v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ed7n h\u1ee3p, c\u00f4ng \u0111\u1ea7m n\u00e9n\u2026 \u0111\u1ec3 l\u00e0m c\u0103n c\u1ee9 thi c\u00f4ng cho c\u1ea3 c\u00f4ng tr\u00ecnh.<\/p>\n

                                                      C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb hi\u1ec7n tr\u01b0\u1eddng<\/p>\n

                                                      – D\u00f9ng m\u00e1y n\u00e9n kh\u00ed th\u1ed5i s\u1ea1ch b\u1ee5i v\u00e0 v\u1ec7 sinh b\u1ec1 m\u1eb7t t\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m. Hai b\u00ean m\u00e9p \u0111\u01b0\u1eddng c\u1ee9 10m r\u1ea3i m\u1ed9t c\u1ecdc \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb v\u1ecb tr\u00ed v\u00e0 cao \u0111\u1ed9 r\u1ea3i \u0111\u00fang v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                                                      V\u1eadn chuy\u1ec3n BTN.<\/p>\n

                                                      – B\u00ea t\u00f4ng nh\u1ef1a \u0111\u01b0\u1ee3c mua t\u1ea1i tr\u1ea1m tr\u1ed9n, v\u1eadn chuy\u1ec3n t\u1eeb tr\u1ea1m tr\u1ed9n \u0111\u1ebfn ch\u00e2n c\u00f4ng tr\u00ecnh b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5. Xe v\u1eadn chuy\u1ec3n c\u00f3 b\u1ea1t che ph\u1ee7 \u0111\u1ec3 gi\u1eef nhi\u1ec7t v\u00e0 tr\u00e1nh c\u00e1c hi\u1ec7n tr\u01b0\u1ee3ng b\u1ee5i. M\u1ed7i xe \u00f4 t\u00f4 \u0111\u1ec1u c\u00f3 phi\u1ebfu ghi nhi\u1ec7t \u0111\u1ed9 xu\u1ea5t x\u01b0\u1edfng, tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng khi \u0111\u1ed5 v\u00e0o m\u00e1y r\u1ea3i. Nhi\u1ec7t \u0111\u1ed9 BTN tr\u01b0\u1edbc khi \u0111\u1ed5 v\u00e0o m\u00e1y r\u1ea3i \u00b3 1200<\/sup>C.<\/p>\n

                                                      C\u00f4ng t\u00e1c r\u1ea3i b\u00ea t\u00f4ng nh\u1ef1a:<\/p>\n

                                                      – H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a \u0111\u01b0\u1ee3c r\u1ea3i b\u1eb1ng m\u00e1y r\u1ea3i, khi r\u1ea3i chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed7i v\u1ec7t r\u1ea3i l\u00e0 150 \u2013 200m sau \u0111\u00f3 l\u00f9i l\u1ea1i \u0111\u1ec3 r\u1ea3i ti\u1ebfp.<\/p>\n

                                                      C\u00f4ng t\u00e1c lu l\u00e8n b\u00ea t\u00f4ng nh\u1ef1a:<\/p>\n

                                                      – Lu l\u00e8n l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a b\u1eb1ng lu b\u00e1nh l\u1ed1p k\u1ebft h\u1ee3p v\u1edbi lu b\u00e1nh s\u1eaft, \u0111\u1ea7u ti\u00ean lu \u1ed5n \u0111\u1ecbnh b\u1eb1ng lu b\u00e1nh s\u1eaft. Lu l\u00e8n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eb7t b\u1eb1ng lu b\u00e1nh l\u1ed1p, sau \u0111\u00f3 lu l\u00e0 ph\u1eb3ng x\u00f3a v\u1ebft b\u1eb1ng lu b\u00e1nh th\u00e9p.<\/p>\n

                                                      – \u0110\u1ea7u ti\u00ean lu nh\u1eb9 b\u1eb1ng lu 5 \u2013 8 T \u0111i t\u1eeb 2 \u2013 4 l\u1ea7n\/\u0111i\u1ec3m, t\u1ed1c \u0111\u1ed9 lu 1.5 \u2013 2 km\/h.<\/p>\n

                                                      – Khi nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p cao v\u00e0 tr\u1eddi n\u1eafng n\u00f3ng th\u00ec \u0111\u1ea7u ti\u00ean cho lu b\u00e1nh s\u1eaft 5 \u2013 8T \u0111i 2 l\u1ea7n\/\u0111i\u1ec3m.<\/p>\n

                                                      – Ti\u1ebfp theo lu b\u00e1nh h\u01a1i (c\u00f3 t\u1ea3i tr\u1ecdng tr\u00ean 1 b\u00e1nh t\u1ed1i thi\u1ec3u l\u00e0 2T) \u0111i 8 \u2013 10 l\u1ea7n\/\u0111i\u1ec3m, t\u1ed1c \u0111\u1ed9 lu 2 km\/h trong kho\u1ea3ng 6 \u2013 8 l\u01b0\u1ee3t \u0111\u1ea7u, sau t\u0103ng d\u1ea7n l\u00ean 3 \u2013 5km\/h.<\/p>\n

                                                      – Lu l\u00e8n x\u00f3 v\u1ebft b\u1eb1ng lu b\u00e1nh th\u00e9p.<\/p>\n

                                                      – V\u00e0o m\u00f9a \u0111\u00f4ng ho\u1eb7c khi nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u th\u00ec d\u00f9ng ngay lu b\u00e1nh h\u01a1i \u0111i 10 \u2013 12 l\u1ea7n\/\u0111i\u1ec3m. Sau \u0111\u00f3 d\u00f9ng lu n\u1eb7ng b\u00e1nh s\u1eaft 10 \u2013 12T \u0111i 2 \u2013 4 l\u1ea7n\/\u0111i\u1ec3m.<\/p>\n

                                                      – M\u00e1y r\u1ea3i xong \u0111\u1ebfn \u0111\u00e2u m\u00e1y lu ti\u1ebfn h\u00e0nh theo s\u00e1t ngay \u0111\u1ebfn \u0111\u00f3 \u0111\u1ec3 tranh th\u1ee7 l\u00fac nhi\u1ec7t \u0111\u1ed9 c\u00f2n cao.<\/p>\n

                                                      – Sau l\u01b0\u1ee3t lu \u0111\u1ea7u ti\u00ean, ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng b\u1eb1ng th\u01b0\u1edbc 3 m v\u00e0 b\u1ed5 sung ngay ch\u1ed7 thi\u1ebfu.<\/p>\n

                                                      – L\u00e0m \u1ea9m b\u00e1nh lu b\u1eb1ng n\u01b0\u1edbc v\u1edbi l\u01b0\u1ee3ng nh\u1ecf \u0111\u1ec3 ch\u1ed1ng BTN b\u00e1m v\u00e0o b\u00e1nh lu.<\/p>\n

                                                      – Qu\u00e1 tr\u00ecnh lu l\u00e8n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1eeb m\u00e9p \u0111\u01b0\u1eddng v\u00e0o tim \u0111\u01b0\u1eddng c\u00f3 \u0111\u1ed9 d\u1ed1c ngang 2 m\u00e1i, t\u1eeb b\u1ee5ng l\u00ean l\u01b0ng \u0111\u1ed1i v\u1edbi c\u00e1c \u0111o\u1ea1n \u0111\u01b0\u1eddng cong. Khi lu b\u00e1nh ch\u1ee7 m\u00e1y lu ph\u1ea3i s\u00e1t v\u1ec1 ph\u00eda m\u00e1y r\u1ea3i, tr\u00e1nh \u0111\u1ec3 v\u1eadt li\u1ec7u b\u1ecb x\u00f4 d\u1ea1t, l\u01b0\u1ee3ng s\u00f3ng khi lu. V\u1ec7t lu sau ph\u1ea3i ch\u1ed3ng l\u00ean m\u1ed9t n\u1eeda v\u1ec7t lu tr\u01b0\u1edbc, lu l\u00e8n cho t\u1edbi khi kh\u00f4ng c\u00f2n v\u1ec7t b\u00e1nh lu, m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1ec1 d\u00e0y, \u0111\u1ed9 ch\u1eb7t v\u00e0 mui luy\u1ec7n nh\u01b0 thi\u1ebft k\u1ebf.<\/p>\n

                                                      – M\u1ed1i n\u1ed1i ti\u1ebfp gi\u00e1p gi\u1eefa c\u00e1c ca r\u1ea3i \u0111\u01b0\u1ee3c x\u00e9n ph\u1eb3ng theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng b\u1eb1ng m\u00e1y c\u1eaft BTN. Ph\u1ea7n kh\u00f4ng \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf \u0111\u1ed5 \u0111i \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh. M\u1ed1i n\u1ed1i d\u1ecdc hai v\u1ec7t r\u1ea3i \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u0111\u00fang tim \u0111\u01b0\u1eddng.<\/p>\n

                                                        \n
                                                      1. Thi c\u00f4ng l\u1edbp nh\u1ef1a d\u00ednh b\u00e1m 0.3 l\u00edt\/m2<\/sup><\/strong><\/li>\n<\/ol>\n

                                                        K\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng l\u1edbp nh\u1ef1a d\u00ednh b\u00e1m TC 1.0 l\u00edt\/m2<\/sup>. Khi thi c\u00f4ng h\u1ea1ng m\u1ee5c n\u00e0y ch\u00fa \u00fd \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng nh\u1ef1a t\u01b0\u1edbi \u0111\u1ed3ng \u0111\u1ec1u \u0111\u1ea3m b\u1ea3o \u0111\u00fang kh\u1ed1i l\u01b0\u1ee3ng thi\u1ebft k\u1ebf 0.3 l\u00edt\/m2<\/sup>.<\/p>\n

                                                          \n
                                                        1. Thi c\u00f4ng l\u1edbp BTN h\u1ea1t m\u1ecbn 5 cm.<\/strong><\/li>\n<\/ol>\n

                                                          Tr\u00ecnh t\u1ef1 v\u00e0 c\u00f4ng ngh\u1ec7 thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng l\u1edbp BTN h\u1ea1t th\u00f4, trong khi thi c\u00f4ng ch\u00fa \u00fd \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 kh\u00e1c bi\u1ec7t sau:<\/p>\n

                                                          – Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ea3m b\u1ea3o t\u1ef7 ph\u1ed1i thi\u1ebft k\u1ebf cho BTN h\u1ea1t m\u1ecbn. Qu\u00e1 tr\u00ecnh r\u1ea3i BTN ch\u00fa \u00fd \u0111\u1ea3m b\u1ea3o b\u1ec1 d\u00e0y l\u1edbp BTN sau khi lu l\u00e8n ch\u1eb7t 5 cm \u0111\u00fang theo thi\u1ebft k\u1ebf.<\/p>\n

                                                            \n
                                                          1. Ho\u00e0n thi\u1ec7n \u0111\u01b0\u1eddng<\/strong><\/li>\n<\/ol>\n

                                                            Thi c\u00f4ng c\u1ecdc ti\u00eau bi\u1ec3n b\u00e1o s\u01a1n v\u1ea1ch k\u1ebb \u0111\u01b0\u1eddng:<\/p>\n

                                                            – C\u1ecdc ti\u00eau, bi\u1ec3n b\u00e1o, c\u1ed9t Km \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o trong c\u00f4ng x\u01b0\u1edfng. C\u00f4ng t\u00e1c ch\u1ebf t\u1ea1o theo \u0111\u00fang quy \u0111\u1ecbnh \u0111\u01b0\u1ee3c TVGS ch\u1ea5p nh\u1eadn.<\/p>\n

                                                            – V\u1eadn chuy\u1ec3n c\u1ecdc ti\u00eau bi\u1ec3n b\u00e1o \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng xe k\u00e9o.<\/p>\n

                                                            – \u0110\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u1ecb tr\u00ed c\u1ecdc.<\/p>\n

                                                            – \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng \u0111\u00fang k\u00edch th\u01b0\u1edbc, ch\u00f4n c\u1ecdc b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                                                            – S\u01a1n \u0111\u1ea7u c\u1ecdc theo y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

                                                            C\u00f4ng t\u00e1c s\u01a1n v\u1ea1ch k\u1ebb \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng m\u00e1y s\u01a1n chuy\u00ean d\u1ee5ng<\/p>\n

                                                            – \u0110o \u0111\u1ea1c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed thi c\u00f4ng, c\u0103ng d\u00e2y, \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed c\u1ea9n th\u1eadn. \u0110i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 ch\u1ea1y m\u00e1y, b\u1ec1 r\u1ed9ng v\u1ec7t s\u01a1n v\u00e0 l\u01b0\u1ee3ng s\u01a1n ph\u00f9 h\u1ee3p chi\u1ec1u d\u00e0y v\u1ec7t s\u01a1n theo quy \u0111\u1ecbnh.<\/p>\n

                                                            Ho\u00e0n thi\u1ec7n c\u00e1c h\u1ea1ng m\u1ee5c kh\u00e1c chu\u1ea9n b\u1ecb b\u00e0n giao c\u00f4ng tr\u00ecnh.<\/p>\n

                                                            iii. bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong x\u00e2y l\u1eafp<\/p>\n

                                                              \n
                                                            1. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng<\/strong><\/li>\n<\/ol>\n

                                                              1.1. V\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc.<\/em><\/strong><\/p>\n

                                                              – L\u00e0m t\u1ed1t c\u00f4ng t\u00e1c \u0111\u1ecbnh v\u1ecb, c\u1eafm c\u1ecdc tim c\u1ecdc gi\u1edbi h\u1ea1n v\u1ec7t r\u1ea3i v\u00e0 t\u0103ng c\u01b0\u1eddng c\u00f4ng t\u00e1c ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o v\u1ecb tr\u00ed, k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u0169ng nh\u01b0 b\u1ec1 d\u00e0y l\u1edbp r\u1ea3i. \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c mui luy\u1ec7n v\u00e0 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng.<\/p>\n

                                                              1.2. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng khi thi c\u00f4ng.<\/em><\/strong><\/p>\n

                                                              Qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111\u00fang k\u1ef9 thu\u1eadt v\u00e0 tr\u00ecnh t\u1ef1 theo c\u00f4ng ngh\u1ec7 thi c\u00f4ng. \u0110\u1eb7c bi\u1ec7t ch\u00fa \u00fd t\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 sau \u0111\u00e2y:<\/p>\n

                                                              – V\u1eadt li\u1ec7u s\u1ea3n xu\u1ea5t BTN, nh\u1ef1a t\u01b0\u1edbi\u2026 \u0111\u1ec1u c\u00f3 ch\u1ee9ng ch\u1ec9 th\u00ed nghi\u1ec7m v\u00e0 c\u00f3 ch\u1ec9 ti\u00eau ph\u00f9 h\u1ee3p. Ki\u1ec3m tra c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u1ea3m b\u1ea3o \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n

                                                              – C\u00f3 phi\u1ebfu thi\u1ebft k\u1ebf th\u00e0nh ph\u1ea7n BTN \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt.<\/p>\n

                                                              – Ki\u1ec3m tra gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd vi\u1ec7c ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p BTN t\u1ea1i tr\u1ea1m tr\u1ed9n. Ki\u1ec3m tra h\u1ec7 th\u1ed1ng c\u00e2n \u0111ong, c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea5y v\u1eadt li\u1ec7u, tr\u1ed9n v\u1eadt li\u1ec7u\u2026 Nhi\u1ec7t \u0111\u1ed9 l\u00fac xu\u1ea5t x\u01b0\u1edfng.<\/p>\n

                                                              – \u0110\u1ea3m b\u1ea3o k\u1ef9 thu\u1eadt ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 v\u1ec7 sinh c\u1ee7a l\u1edbp m\u00f3ng tr\u01b0\u1edbc khi r\u1ea3i.<\/p>\n

                                                              – Ki\u1ec3m tra ch\u1eb7t ch\u1ebd nhi\u1ec7t \u0111\u1ed9 c\u1ee7a nh\u1ef1a tr\u01b0\u1edbc khi t\u01b0\u1edbi, ki\u1ec3m tra l\u01b0\u1ee3ng nh\u1ef1a t\u01b0\u1edbi tr\u00ean c\u00e1c t\u1ea5m x\u00e2y d\u1ef1ng k\u00edch th\u01b0\u1edbc 50 x 50 \u0111\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t t\u01b0\u1edbi nh\u1ef1a qua \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c l\u01b0\u1ee3ng nh\u1ef1a, t\u01b0\u1edbi nh\u1ef1a \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n

                                                              – Ki\u1ec3m tra ch\u1eb7t ch\u1ebd nhi\u1ec7t \u0111\u1ed9 khi \u0111\u1ed5 v\u00e0o ph\u1ec5u m\u00e1y r\u1ea3i t\u1eeb 1250<\/sup>C \u0111\u1ebfn 1600<\/sup>C. Ch\u1ec9 lu l\u00e8n b\u00ea t\u00f4ng nh\u1ef1a trong giai \u0111o\u1ea1n nhi\u1ec7t \u0111\u1ed9 \u00b3 700<\/sup>C<\/p>\n

                                                              – C\u00f4ng t\u00e1c lu l\u00e8n tu\u00e2n th\u1ee7 tr\u00ecnh t\u1ef1 v\u00e0 s\u01a1 \u0111\u1ed3 lu, c\u00f4ng lu \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c ho\u00e1 sau l\u1ea7n lu th\u00ed \u0111i\u1ec3m.<\/p>\n

                                                                \n
                                                              1. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng sau khi thi c\u00f4ng.<\/strong><\/li>\n<\/ol>\n

                                                                2.1. Ki\u1ec3m tra v\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc<\/em><\/strong><\/p>\n

                                                                – Ki\u1ec3m tra b\u1ec1 r\u1ed9ng b\u1eb1ng th\u01b0\u1edbc th\u00e9p. Ki\u1ec3m tra cao \u0111\u1ed9 b\u1eb1ng cao \u0111\u1ea1c m\u1eb7t BTN so v\u1edbi cao \u0111\u1ed9 l\u1edbp KC b\u00ean d\u01b0\u1edbi. Ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng b\u1eb1ng th\u01b0\u1edbc 3 m, khe h\u1edf s\u00e1ng c\u1ee5c b\u1ed9 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh. Ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c d\u1ecdc b\u1eb1ng c\u00e1ch cao \u0111\u1ea1c c\u00e1c c\u1ecdc tim \u0111\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o c\u00e1c sai l\u1ec7ch c\u00e1 bi\u1ec7t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi cho ph\u00e9p.<\/p>\n

                                                                2.2. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng <\/em><\/strong><\/p>\n

                                                                – Ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t c\u1ee7a l\u1edbp r\u1ea3i t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p khoan \u00e9p m\u1eabu. Khoan m\u1eabu BTN, l\u00e0m th\u00ed nghi\u1ec7m t\u1ea1i ph\u00f2ng TN hi\u1ec7n tr\u01b0\u1eddng ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

                                                                 <\/p>\n

                                                                PH\u1ea6N IV. THI C\u00d4NG C\u1ea6U<\/strong><\/p>\n

                                                                CH\u01af\u01a0NG I: TR\u00ccNH T\u1ef0 V\u00c0 PH\u01af\u01a0NG \u00c1N THI C\u00d4NG T\u1ed4NG TH\u1ec2<\/u><\/strong><\/p>\n

                                                                 <\/p>\n

                                                                  \n
                                                                1. B\u1ed0 TR\u00cd THI C\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                                                  NH\u00c0 TH\u1ea6U B\u1ed0 TR\u00cd HAI M\u0168I THI C\u00d4NG C\u1ea6U<\/strong><\/p>\n

                                                                  – M\u0169i th\u1ee9 nh\u1ea5t: C\u1ea7u Khe Tr\u00f9 v\u00e0 C\u1ea7u Khe V\u00f2 thi c\u00f4ng tu\u1ea7n t\u1ef1<\/p>\n

                                                                  – M\u0169i th\u1ee9 hai: Thi c\u00f4ng c\u1ea7u R\u00e0o M\u1ed1c<\/p>\n

                                                                  C\u1ea7u Khe Tr\u00f9<\/u><\/strong><\/p>\n

                                                                  – Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed c\u00e1c d\u00e2y chuy\u1ec1n thi c\u00f4ng<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng m\u1ed1<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng \u0111\u00fac d\u1ea7m<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n lao l\u1eafp.<\/p>\n

                                                                  + D\u1ea7m ngang, m\u1ed1i n\u1ed1i, m\u1eb7t c\u1ea7u, m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u\u2026<\/p>\n

                                                                  C\u1ea7u Khe V\u00f2<\/u><\/strong><\/p>\n

                                                                  – Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed c\u00e1c d\u00e2y chuy\u1ec1n thi c\u00f4ng<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng m\u1ed1 c\u1ea7u<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng \u0111\u00fac d\u1ea7m<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n lao l\u1eafp.<\/p>\n

                                                                  + D\u1ea7m ngang, m\u1ed1i n\u1ed1i, m\u1eb7t c\u1ea7u, m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u\u2026<\/p>\n

                                                                  C\u1ea7u R\u00e0o M\u1ed1c:<\/u><\/strong><\/p>\n

                                                                  – Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed c\u00e1c d\u00e2y chuy\u1ec1n thi c\u00f4ng<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng m\u1ed1 c\u1ea7u<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng \u0111\u00fac d\u1ea7m<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u<\/p>\n

                                                                  + D\u00e2y chuy\u1ec1n lao l\u1eafp.<\/p>\n

                                                                  + D\u1ea7m ngang, m\u1ed1i n\u1ed1i, m\u1eb7t c\u1ea7u, m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u\u2026<\/p>\n

                                                                    \n
                                                                  1. BI\u1ec6N PH\u00c1P THI C\u00d4NG CH\u1ee6 \u0110\u1ea0O<\/strong><\/li>\n<\/ol>\n

                                                                    2.1. C\u1ea7u Khe Tr\u00f9 v\u00e0 C\u1ea7u Khe V\u00f2<\/strong><\/p>\n

                                                                    Thi c\u00f4ng m\u1ed1 c\u1ea7u:<\/p>\n

                                                                    – X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed m\u00f3ng m\u1ed1, San \u1ee7i t\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng.<\/p>\n

                                                                    – \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng b\u1eb1ng c\u01a1 gi\u1edbi k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                    – \u0110\u1ed5 b\u00ea t\u00f4ng b\u1ec7 m\u00f3ng<\/p>\n

                                                                    – L\u1eafp d\u1ef1ng \u0111\u00e0 gi\u00e1o, c\u1ed1t th\u00e9p, v\u00e1n khu\u00f4n<\/p>\n

                                                                    – \u0110\u1ed5 b\u00ea t\u00f4ng th\u00e2n m\u1ed1, t\u01b0\u1eddng c\u00e1nh.<\/p>\n

                                                                    – \u0110\u1ec3 b\u00ea t\u00f4ng t\u01b0\u1eddng \u0111\u1ec9nh, b\u1ec7 k\u00ea g\u1ed1i.<\/p>\n

                                                                    – \u0110\u1eafp \u0111\u1ea5t ch\u00e2n khay t\u1ee9 n\u00f3n, ho\u00e0n thi\u1ec7n m\u1ed1.<\/p>\n

                                                                    Thi c\u00f4ng k\u1ebft c\u1ea5u nh\u1ecbp<\/p>\n

                                                                    – \u0110\u00fac d\u1ea7m tr\u00ean b\u00e3i \u0111\u00fac tr\u00ean \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u.<\/p>\n

                                                                    – L\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng go\u00f2ng v\u1eadn chuy\u1ec3n d\u1ea7m<\/p>\n

                                                                    – L\u00e0m tr\u1ee5 Pa L\u00ea tr\u00ean m\u00f3ng r\u1ecd \u0111\u00e1.<\/p>\n

                                                                    – L\u1eafp \u0111\u1eb7t d\u1ea7m d\u1eabn 1550, l\u1eafp \u0111\u1eb7t gi\u00e1 po\u00f3c t\u00edch<\/p>\n

                                                                    – Lao d\u1ecdc d\u1ea7m ra v\u1ecb tr\u00ed nh\u1ecbp, l\u1eafp \u0111\u1eb7t d\u1ea7m b\u1eb1ng gi\u00e1 po\u00f3c t\u00edch<\/p>\n

                                                                    Thi c\u00f4ng h\u1ea1ng m\u1ee5c kh\u00e1c.<\/p>\n

                                                                    – Thi c\u00f4ng d\u1ea7m ngang, m\u1ed1i n\u1ed1i d\u1ecdc<\/p>\n

                                                                    – Thi c\u00f4ng m\u1eb7t c\u1ea7u m\u1eb7t \u0111\u01b0\u1eddng<\/p>\n

                                                                    – Ho\u00e0n thi\u1ec7n c\u1ea7u<\/p>\n

                                                                    2.1. C\u1ea7u R\u00e0o M\u1ed1c<\/strong><\/p>\n

                                                                    Thi c\u00f4ng m\u1ed1 c\u1ea7u:<\/p>\n

                                                                    – X\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed m\u00f3ng m\u1ed1, \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng b\u1eb1ng m\u00e1y k\u1ebft h\u1ee3p th\u1ee7 c\u00f4ng.<\/p>\n

                                                                    – \u0110\u1ed5 b\u00ea t\u00f4ng b\u1ec7 m\u00f3ng<\/p>\n

                                                                    – L\u1eafp d\u1ef1ng \u0111\u00e0 gi\u00e1o, c\u1ed1t th\u00e9p, v\u00e1n khu\u00f4n<\/p>\n

                                                                    – \u0110\u1ed5 b\u00ea t\u00f4ng th\u00e2n m\u1ed1, t\u01b0\u1eddng c\u00e1nh.<\/p>\n

                                                                    – \u0110\u1ec3 b\u00ea t\u00f4ng t\u01b0\u1eddng \u0111\u1ec9nh, b\u1ec7 k\u00ea g\u1ed1i.<\/p>\n

                                                                    – \u0110\u1eafp \u0111\u1ea5t ch\u00e2n khay t\u1ee9 n\u00f3n, ho\u00e0n thi\u1ec7n m\u1ed1.<\/p>\n

                                                                    Thi c\u00f4ng tr\u1ee5 c\u1ea7u<\/p>\n

                                                                    – \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng b\u1eb1ng c\u01a1 gi\u1edbi k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng<\/p>\n

                                                                    – V\u1ec7 sinh h\u1ed1 m\u00f3ng, l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n.<\/p>\n

                                                                    – \u0110\u1ed5 b\u00ea t\u00f4ng b\u1ec7 m\u00f3ng.<\/p>\n

                                                                    – L\u1eafp d\u1ef1ng \u0111\u00e0 gi\u00e1o, c\u1ed1t th\u00e9p, v\u00e1n khu\u00f4n.<\/p>\n

                                                                    – \u0110\u1ed5 b\u00ea t\u00f4ng th\u00e2n tr\u1ee5, x\u00e0 m\u0169 tr\u1ee5.<\/p>\n

                                                                    – Ho\u00e0n thi\u1ec7n tr\u1ee5 c\u1ea7u<\/p>\n

                                                                    Thi c\u00f4ng k\u1ebft c\u1ea5u nh\u1ecbp<\/p>\n

                                                                    – \u0110\u00fac d\u1ea7m tr\u00ean b\u00e3i \u0111\u00fac tr\u00ean \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u.<\/p>\n

                                                                    – L\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng go\u00f2ng v\u1eadn chuy\u1ec3n d\u1ea7m<\/p>\n

                                                                    – L\u1eafp \u0111\u1eb7t xe lao d\u1ea7m ph\u00eda V\u0169ng \u00c1ng<\/p>\n

                                                                    – C\u00e1p d\u1ea7m \u0111\u1ebfn v\u1ecb tr\u00ed xe lao.<\/p>\n

                                                                    – D\u00f9ng xe lao d\u1ea7m \u0111\u01b0a d\u1ea7m v\u00e0o v\u1ecb tr\u00ed nh\u1ecbp.<\/p>\n

                                                                    – Thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1 nh\u1ecbp 2 v\u00e0 nh\u1ecbp 3.<\/p>\n

                                                                    Thi c\u00f4ng h\u1ea1ng m\u1ee5c kh\u00e1c.<\/p>\n

                                                                    – Thi c\u00f4ng d\u1ea7m ngang, m\u1ed1i n\u1ed1i d\u1ecdc<\/p>\n

                                                                    – Thi c\u00f4ng m\u1eb7t c\u1ea7u m\u1eb7t \u0111\u01b0\u1eddng, ho\u00e0n thi\u1ec7n c\u1ea7u.<\/p>\n

                                                                    \u00a0<\/u><\/strong><\/p>\n

                                                                    CH\u01af\u01a0NG II: THI C\u00d4NG M\u1ed0 C\u1ea6U<\/u><\/strong><\/p>\n

                                                                     <\/p>\n

                                                                      \n
                                                                    1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG V\u00c0 \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                                                      Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u1ea3m b\u1ea3o giao th\u00f4ng b\u1eb1ng \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 ph\u00eda h\u1ea1 l\u01b0u c\u1ea7u n\u00ean kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng t\u00e1c thi c\u00f4ng. B\u1ed1 tr\u00ed m\u1eb7t b\u1eb1ng thi c\u00f4ng m\u1ed1 v\u00e0 c\u00e1c h\u1ea1ng m\u1ee5c kh\u00e1c \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong ph\u1ea7n b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7.<\/p>\n

                                                                        \n
                                                                      1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n<\/ol>\n

                                                                        C\u00e1c c\u1ea7u tr\u00ean tuy\u1ebfn (C\u1ea7u Khe Tr\u00f9, C\u1ea7u Kho V\u00f2, C\u1ea7u R\u00e0o M\u1ed1c) \u0111\u1ec1u c\u00f3 m\u1ed1 c\u1ea7u d\u1ea1ng ch\u1eef U b\u1eb1ng BTCT, m\u00f3ng n\u00f4ng \u0111\u1eb7t tr\u00ean n\u1ec1n \u0111\u00e1 s\u00e9t k\u1ebft phong ho\u00e1, v\u00ec v\u1eady \u0111\u1ec1u c\u00f3 chung bi\u1ec7n ph\u00e1p thi c\u00f4ng.<\/p>\n

                                                                          \n
                                                                        1. Thi c\u00f4ng b\u1ec7 m\u1ed1.<\/strong><\/li>\n<\/ol>\n

                                                                          1.1. Chu\u1ea9n b\u1ecb<\/strong><\/p>\n

                                                                          – T\u1eadp k\u1ebft thi\u1ebft b\u1ecb \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng, chu\u1ea9n b\u1ecb v\u1eadt t\u01b0 theo y\u00eau c\u1ea7u ti\u1ebfn \u0111\u1ed9 c\u00f3 k\u1ec3 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng d\u1ef1 ph\u00f2ng. Ki\u1ec3m tra s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb thi c\u00f4ng. B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 v\u00e0 c\u00f4ng nh\u00e2n thi c\u00f4ng.<\/p>\n

                                                                          1.2. \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed m\u1ed1 c\u1ea7u.<\/strong><\/p>\n

                                                                          – \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng b\u1eb1ng m\u00e1y to\u00e0n \u0111\u1ea1c. C\u00f4ng t\u00e1c n\u00e0y do k\u1ef9 s\u01b0 tr\u1eafc \u0111\u1ecba c\u00f9ng v\u1edbi c\u00f4ng nh\u00e2n kh\u1ea3o s\u00e1t ti\u1ebfn h\u00e0nh. S\u01a1 \u0111\u1ed3 giao h\u1ed9i \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc \u0111\u01b0\u1ee3c TVGS ki\u1ec3m tra ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi tri\u1ec3n khai thi c\u00f4ng. Ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c d\u1ea5u c\u1ecdc \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i tim m\u1ed1 c\u1ea7u, tim c\u1ea7u\u2026<\/p>\n

                                                                          1.3. \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng<\/strong><\/p>\n

                                                                          – D\u00f9ng m\u00e1y \u1ee7i \u0111\u1ec3 san g\u1ea1t t\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng, h\u1ea1 th\u1ea5p cao \u0111\u1ed9 m\u1eb7t \u0111\u1ea5t t\u1ef1 nhi\u00ean.<\/p>\n

                                                                          – S\u1eed d\u1ee5ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng \u0111\u1ec3 thi c\u00f4ng h\u1ed1 m\u00f3ng. B\u00f9n v\u00e0 \u0111\u1ea5t th\u1ea3i kh\u00f4ng t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u s\u1ebd v\u1eadn chuy\u1ec3n \u0111\u1ed5 \u0111i \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh b\u1eb1ng \u00f4 t\u00f4. \u0110\u00e0o \u0111\u1ea5t t\u1ea1o th\u00e0nh h\u1ed1 m\u00f3ng \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf, ch\u1ec9nh s\u1eeda ch\u00ednh x\u00e1c v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                                                                          – Trong qu\u00e1 tr\u00ecnh \u0111\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng lu\u00f4n lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c tho\u00e1t n\u01b0\u1edbc m\u1eb7t. T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed c\u00f3 n\u01b0\u1edbc m\u1eb7t m\u1eb7t nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh \u0111\u00f3ng c\u1ecdc c\u1eeb v\u00e0 d\u00f9ng bao t\u1ea3i \u0111\u1ea5t l\u00e0m v\u00f2ng v\u00e2y ng\u0103n n\u01b0\u1edbc. Khi \u0111\u00e0o s\u00e2u h\u1ed1 m\u00f3ng, n\u1ebfu c\u00f3 n\u01b0\u1edbc ng\u1ea7m th\u1ea5m v\u00e0 h\u1ed1 m\u00f3ng Nh\u00e0 th\u1ea7u s\u1ebd b\u1ed1 tr\u00ed \u0111\u00e0o r\u00e3nh thu n\u01b0\u1edbc v\u00e0 b\u01a1m h\u00fat n\u01b0\u1edbc b\u1eb1ng m\u00e1y b\u01a1m.<\/p>\n

                                                                          – H\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c \u0111\u00e0o \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 c\u00f3 th\u1ec3 thi c\u00f4ng. V\u00e1ch h\u1ed1 m\u00f3ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh b\u1eb1ng c\u00e1ch t\u1ea1o m\u00e1i d\u1ed1c t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t. Trong tr\u01b0\u1eddng h\u1ee3p m\u00e1i d\u1ed1c kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u00f3ng c\u1ecdc v\u00e1n \u0111\u1ec3 ch\u1ed1ng v\u00e1ch.<\/p>\n

                                                                          – Khi \u0111\u00e0o \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y m\u00f3ng n\u1ebfu c\u00f3 ph\u00e1t hi\u1ec7n \u0111\u1ecba ch\u1ea5t kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, Nh\u00e0 th\u1ea7u s\u1ebd xin \u00fd ki\u1ebfn c\u1ee7a k\u1ef9 s\u01b0 TVHT \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd.<\/p>\n

                                                                          – Khi h\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu nh\u00e0 th\u1ea7u ti\u1ebfp t\u1ee5c tri\u1ec3n khai thi c\u00f4ng l\u1edbp l\u00f3t m\u00f3ng v\u00e0 b\u1ec7 m\u00f3ng.<\/p>\n

                                                                          1.4. Thi c\u00f4ng l\u1edbp b\u00ea t\u00f4ng l\u00f3t \u0111\u00e1y b\u1ec7:<\/em><\/strong><\/p>\n

                                                                          – Ho\u00e0n thi\u1ec7n v\u00e0 v\u1ec7 sinh h\u1ed1 m\u00f3ng b\u1eb1ng th\u1ee7 c\u00f4ng. N\u1ebfu c\u00f3 n\u01b0\u1edbc ng\u1ea7m b\u1ed1 tr\u00ed m\u00e1y b\u01a1m h\u00fat c\u1ea1n n\u01b0\u1edbc.<\/p>\n

                                                                          – Ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp b\u00ea t\u00f4ng l\u00f3t m\u00f3ng theo ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7. S\u1eed d\u1ee5ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng. L\u1edbp b\u00ea t\u00f4ng l\u00f3t m\u00f3ng n\u00e0y c\u00f3 vai tr\u00f2 t\u1ea1o ph\u1eb3ng cho \u0111\u00e1y b\u1ec7 v\u00e0 ng\u0103n kh\u00f4ng cho n\u01b0\u1edbc th\u1ea5m qua \u0111\u00e1y m\u00f3ng, gi\u1eef v\u1ec7 sinh cho c\u1ed1t th\u00e9p v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng. San g\u1ea1t ph\u1eb3ng \u0111\u00fang k\u00edch th\u01b0\u1edbc b\u1ec1 d\u00e0y thi\u1ebft k\u1ebf. Khi l\u1edbp l\u00f3t m\u00f3ng \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu Nh\u00e0 Th\u1ea7u tri\u1ec3n khai thi c\u00f4ng b\u1ec7 m\u00f3ng.<\/p>\n

                                                                          1.5. L\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p.<\/em><\/strong><\/p>\n

                                                                          Gia c\u00f4ng c\u1ed1t th\u00e9p:<\/p>\n

                                                                          – C\u00e1c thanh c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c \u0111\u00e1nh s\u1ea1ch r\u1ec9 v\u00e0 c\u00e1c ch\u1ea5t b\u1ea9n kh\u00e1c.<\/p>\n

                                                                          – Thanh c\u1ed1t th\u00e9p ph\u1ea3i th\u1eb3ng, \u0111\u1ed9 cong c\u1ee5c b\u1ed9 so v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1% chi\u1ec1u d\u00e0i.<\/p>\n

                                                                          – V\u1ecb tr\u00ed c\u00e1c \u0111i\u1ec3m u\u1ed1n theo \u0111\u00fang thi\u1ebft k\u1ebf kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 sai s\u1ed1 cho ph\u00e9p.<\/p>\n

                                                                          – C\u00e1c m\u00f3c cong \u0111\u1ea7u thanh c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c u\u1ed1n theo quy \u0111\u1ecbnh. T\u1ea1i khu v\u1ef1c ch\u1ecbu k\u00e9o d\u00f9ng m\u00f3c u\u1ed1n n\u1eeda v\u00f2ng tr\u00f2n cho c\u1ed1t th\u00e9p tr\u01a1n v\u00e0 m\u00f3c u\u1ed1n 900<\/sup> cho c\u1ed1t th\u00e9p c\u00f3 gi\u1edd.<\/p>\n

                                                                          N\u1ed1i c\u1ed1t th\u00e9p.<\/p>\n

                                                                          – Th\u01b0\u1eddng d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n \u0111i\u1ec7n \u0111\u1ed1i \u0111\u1ea7u l\u00e0m ch\u1ea3y l\u1ecfng th\u00e9p \u0111\u1ec3 n\u1ed1i c\u00e1c thanh c\u1ed1t th\u00e9p (tr\u01a1n ho\u1eb7c c\u00f3 gai) c\u00f3 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn h\u01a1n 16mm. Khe h\u1edf gi\u1eefa hai \u0111\u1ea7u thanh th\u00e9p n\u1ed1i ph\u1ea3i \u0111\u1ee7 r\u1ed9ng l\u1edbn nh\u1ea5t 20mm nh\u01b0ng kh\u00f4ng nh\u1ecf h\u01a1n 1,5 \u0111\u01b0\u1eddng k\u00ednh que h\u00e0n.<\/p>\n

                                                                          – Ch\u1ec9 n\u1ed1i c\u00e1c thanh c\u1ed1t th\u00e9p b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n \u1ed1p c\u0169ng nh\u01b0 h\u00e0n \u0111\u1ed1i \u0111\u1ea7u ho\u1eb7c h\u00e0n qua mi\u1ebfng \u0111\u1ec7m n\u1ebfu kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n h\u00e0n \u0111\u1ed1i \u0111\u1ea7u.<\/p>\n

                                                                          – Khi h\u00e0n c\u1ed1t th\u00e9p tr\u01a1n (ho\u1eb7c c\u00f3 gai) b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng mi\u1ebfng \u0111\u1ec7m ho\u1eb7c h\u00e0n \u0111\u1ed1i \u0111\u1ea7u Nh\u00e0 th\u1ea7u th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau:<\/p>\n

                                                                          + Ph\u1ea3i h\u00e0n \u00edt nh\u1ea5t l\u00e0 2 m\u1ed1i h\u00e0n c\u1ea1nh.<\/p>\n

                                                                          + Chi\u1ec1u d\u00e0i m\u1ed1i n\u1ed1i \u0111\u1ed1i \u0111\u1ea7u \u00b3 5d.<\/p>\n

                                                                          + T\u1ed5ng chi\u1ec1u d\u00e0i c\u00e1c m\u1ed1i h\u00e0n c\u1ee7a m\u1ed1i n\u1ed1i \u0111\u1ed1i \u0111\u1ea7u ho\u1eb7c \u1edf m\u1ed9t n\u1eeda m\u1ed1i n\u1ed1i c\u00f3 mi\u1ebfng \u0111\u1ec7m ph\u1ea3i \u00b3 10d<\/p>\n

                                                                          + Khe h\u1edf gi\u1eefa c\u1ea1nh \u0111\u1ea7u c\u1ee7a c\u00e1c thanh \u0111\u1ecbnh h\u00e0n \u00edt nh\u1ea5t b\u1eb1ng 2 mm nh\u01b0ng l\u1edbn nh\u1ea5t l\u00e0 0,5d.<\/p>\n

                                                                          + Mi\u1ebfng \u0111\u1ec7m t\u1ea1i c\u00e1c thanh ch\u1ecbu k\u00e9o d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a n\u1ed9i l\u1ef1c \u0111\u1eb7t so le nhau m\u1ed9t kho\u1ea3ng b\u1eb1ng 1,5d nh\u01b0ng \u0111\u1ed1i x\u1ee9ng nhau so v\u1edbi t\u00e2m c\u1ee7a m\u1ed1i n\u1ed1i.<\/p>\n

                                                                          + Chi\u1ec1u cao c\u1ee7a m\u1ed1i h\u00e0n ph\u1ea3i b\u1eb1ng 0,25d nh\u01b0ng \u00edt nh\u1ea5t b\u1eb1ng 4mm. Chi\u1ec1u r\u1ed9ng c\u1ee7a m\u1ed1i h\u00e0n ph\u1ea3i b\u1eb1ng 0,7d nh\u01b0ng \u00edt nh\u1ea5t b\u1eb1ng 10mm.<\/p>\n

                                                                          – Ti\u1ebfn h\u00e0nh h\u00e0n th\u1eed (\u0110\u01b0a m\u1eabu h\u00e0n th\u1eed \u0111i th\u00ed nghi\u1ec7m) tr\u01b0\u1edbc khi h\u00e0n ch\u00ednh th\u1ee9c. Ng\u01b0\u1eddi h\u00e0n ch\u00ednh th\u1ee9c l\u00e0 ng\u01b0\u1eddi \u0111\u00e3 h\u00e0n m\u1eabu th\u1eed \u0111\u00e3 \u0111em \u0111i th\u00ed nghi\u1ec7m.<\/p>\n

                                                                          \u0110\u1eb7t v\u00e0 bu\u1ed9c c\u1ed1t th\u00e9p.<\/p>\n

                                                                          – Khi \u0111\u1eb7t c\u00e1c khung c\u1ed1t th\u00e9p, c\u00e1c l\u01b0\u1edbi th\u00e9p ho\u1eb7c c\u00e1c thanh c\u1ed1t th\u00e9p ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u00fang chi\u1ec1u d\u00e0y l\u1edbp b\u1ea3o h\u1ed9 b\u1eb1ng c\u00e1ch d\u00f9ng c\u00e1c con k\u00ea \u0111\u01b0\u1ee3c \u0111\u00fac b\u1eb1ng v\u1eefa xi m\u0103ng c\u00f3 chi\u1ec1u d\u00e0y \u0111\u00fac b\u1eb1ng chi\u1ec1u d\u00e0y t\u1ea7ng ph\u00f2ng h\u1ed9 v\u00e0 c\u1ea5y d\u00e2y th\u00e9p \u1edf gi\u1eefa khi \u0111\u00fac con k\u00ea \u0111\u1ec3 bu\u1ed9c d\u00ednh ch\u1eb7t v\u1edbi c\u1ed1t th\u00e9p. Kh\u00f4ng d\u00f9ng c\u00e1c m\u1eabu th\u00e9p v\u1ee5n \u0111\u1ec3 k\u00ea c\u00e1c m\u1eb7t l\u1ed9 di\u1ec7n c\u1ee7a k\u1ebft c\u1ea5u.<\/p>\n

                                                                          – C\u00e1c khung v\u00e0 l\u01b0\u1edbi c\u1ed1t th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c bu\u1ed9c ch\u1eb7t v\u00e0 kh\u00f4ng b\u1ecb x\u00f4 x\u1ec7ch khi di chuy\u1ec3n l\u1eafp \u0111\u1eb7t v\u00e0o v\u00e1n khu\u00f4n v\u00e0 khi \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                                                                          – Nh\u00e0 th\u1ea7u \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu c\u1ed1t th\u00e9p tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                                                                          1.6. L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n.<\/em><\/strong><\/p>\n

                                                                          – V\u00e1n khu\u00f4n s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh l\u00e0 v\u00e1n khu\u00f4n th\u00e9p. Chi\u1ec1u d\u00e0y t\u1ea5m v\u00e1n khu\u00f4n, k\u00edch th\u01b0\u1edbc, c\u1ef1 ly c\u00e1c thanh n\u1eb9p ngang, d\u1ecdc, thanh ch\u1ed1ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ch\u1ecbu t\u1ea3i tr\u1ecdng thi c\u00f4ng \u0111\u1ed5 b\u00ea t\u00f4ng, V\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c k\u1ebft c\u1ea5u, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 c\u1ee9ng, b\u1ec1 m\u1eb7t nh\u1eb5n nh\u1ecbn b\u1ea3o \u0111\u1ea3m k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u1ee7a k\u1ebft c\u1ea5u.<\/p>\n

                                                                          – \u0110\u1ed9 cong c\u00e1c b\u1ed9 ph\u1eadn ch\u1ecbu u\u1ed1n c\u1ee7a v\u00e1n khu\u00f4n d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c lo\u1ea1i l\u1ef1c ch\u1ee7 y\u1ebfu l\u00e0 l\u1ef1c th\u1eb3ng \u0111\u1ee9ng v\u00e0 n\u1eb1m ngang. Kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1\/400 chi\u1ec1u d\u00e0i t\u00ednh to\u00e1n \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u1eb7t ngang v\u00e0 1\/250 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c che khu\u1ea5t.<\/p>\n

                                                                          – Tr\u01b0\u1edbc khi l\u1eafp d\u1ef1ng, v\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c v\u1ec7 sinh s\u1ea1ch s\u1ebd, lau d\u1ea7u ch\u1ed1ng b\u00e1m.<\/p>\n

                                                                          – L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n b\u1eb1ng th\u1ee7 c\u00f4ng. V\u00e1n khu\u00f4n n\u1eb7ng \u0111\u01b0\u1ee3c l\u1eafp d\u1ef1ng b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u00e1n khu\u00f4n b\u1eb1ng bu l\u00f4ng thi c\u00f4ng.<\/p>\n

                                                                          – L\u1eafp d\u1ef1ng \u0111\u00e0 gi\u00e1o, v\u0103ng ch\u1ed1ng b\u1ea3o \u0111\u1ea3m s\u1ef1 \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n trong khi \u0111\u1ed5 b\u00ea t\u00f4ng. B\u1ed1 tr\u00ed c\u00e1c thanh n\u00eam \u0111\u1ec3 d\u1ec5 d\u00e0ng th\u00e1o d\u1ee1 \u0111\u00e0 gi\u00e1o v\u00e1n khu\u00f4n sau khi b\u00ea t\u00f4ng \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 cho ph\u00e9p.<\/p>\n

                                                                          – Sau khi l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n k\u00edn kh\u00edt kh\u00f4ng \u0111\u1ec3 ch\u1ea3y m\u1ea5t v\u1eefa trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                                                                          – Ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                          – L\u1eafp d\u1ef1ng v\u0103ng ch\u1ed1ng b\u1eb1ng thanh UYKM \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n.<\/p>\n

                                                                          1.7. \u0110\u1ec3 b\u00ea t\u00f4ng m\u1ed1.<\/em><\/strong><\/p>\n

                                                                          – Ki\u1ec3m tra m\u00e1y m\u00f3c thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u c\u0169ng nh\u01b0 nh\u00e2n l\u1ef1c tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng. V\u1eadt li\u1ec7u \u0111\u1ee7 cho qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng li\u00ean t\u1ee5c. M\u00e1y tr\u1ed9n b\u00ea t\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n

                                                                          – \u0110\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 b\u1eb1ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi c\u1ea7n c\u1ea9u. Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m \u0111o \u0111\u1ed9 s\u1ee5t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u1ee5t theo thi\u1ebft k\u1ebf. \u0110\u00fac m\u1eabu \u0111\u1ec3 l\u00e0m c\u00f4ng t\u00e1c th\u00ed nghi\u1ec7m sau n\u00e0y. Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111ong c\u1ed1t li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf cho b\u00ea t\u00f4ng.<\/p>\n

                                                                          – B\u00ea t\u00f4ng sau khi ra kh\u1ecfi m\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c c\u1ea5p v\u00e0o h\u1ed9c ch\u1ee9a b\u00ea t\u00f4ng. D\u00f9ng c\u1ea7n c\u1ea9u \u0111\u1ec3 c\u1ea9u chuy\u1ec3n b\u00ea t\u00f4ng xu\u1ed1ng h\u1ed1 m\u00f3ng.<\/p>\n

                                                                          \u0110\u1ed5 b\u00ea t\u00f4ng:<\/p>\n

                                                                          – Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u \u0111\u1ed5 h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng v\u00e0o k\u1ebft c\u1ea5u ph\u1ea3i ki\u1ec3m tra \u0111\u00e0 gi\u00e1o, v\u00e1n khu\u00f4n, c\u00f3 phi\u1ebfu th\u00ed nghi\u1ec7m v\u1ec1 c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng, c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u: xi m\u0103ng, c\u00e1t, \u0111\u00e1, th\u00e9p, n\u01b0\u1edbc\u2026 \u0111\u01b0\u1ee3c TVGS v\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p nh\u1eadn. L\u1eadp bi\u00ean b\u1ea3n nghi\u1ec7m thu t\u1ed5ng th\u1ec3 c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng theo bi\u1ec3u m\u1eabu c\u1ee7a T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                                                                          – Tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n. C\u1ea5p c\u1ed1t li\u1ec7u b\u1eb1ng c\u00e1c h\u1ed9c \u0111ong c\u1ed1t li\u1ec7u. Ph\u1ed1i h\u1ee3p v\u1eadt li\u1ec7u theo t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf.<\/p>\n

                                                                          – Th\u00ed nghi\u1ec7m \u0111\u1ed9 s\u1ee5t b\u00ea t\u00f4ng ngay sau khi tr\u1ed9n b\u00ea t\u00f4ng, \u0111\u00fac m\u1eabu theo quy \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng theo m\u00e1c thi\u1ebft k\u1ebf.<\/p>\n

                                                                          – \u0110\u1ed5 b\u00ea t\u00f4ng \u0111\u1ed5 t\u1ea1i ch\u1ed7, b\u1eb1ng c\u1ea7n c\u1ea9u, chi\u1ec1u cao b\u00ea t\u00f4ng r\u01a1i t\u1ef1 do c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c qu\u00e1 3m tr\u00e1nh l\u00e0m b\u00ea t\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng.<\/p>\n

                                                                          – L\u1edbp b\u00ea t\u00f4ng b\u00ean tr\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0 \u0111\u1ea7m tr\u01b0\u1edbc khi l\u1edbp b\u00ea t\u00f4ng ph\u00eda d\u01b0\u1edbi b\u1eaft \u0111\u1ea7u \u0111\u00f4ng k\u1ebft.<\/p>\n

                                                                          – B\u00ea t\u00f4ng \u0111\u1ed5 \u0111\u1ebfn \u0111\u00e2u ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m k\u1ef9 ngay \u0111\u1ebfn \u0111\u00f3, d\u00f9ng \u0111\u1ea7m d\u00f9i \u0111\u1ec3 \u0111\u1ea7m b\u00ea t\u00f4ng, b\u1ec1 d\u00e0y t\u1ed1i \u0111a c\u1ee7a l\u1edbp b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c ch\u1ecdn b\u1eb1ng 1,25 chi\u1ec1u d\u00e0i c\u00f3 \u00edch c\u1ee7a c\u1ea7n d\u00f9i.<\/p>\n

                                                                          – Kho\u1ea3ng c\u00e1ch d\u00f9i \u0111\u1ea7m rung b\u00ean trong kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1,5 b\u00e1n k\u00ednh t\u00e1c d\u1ee5ng c\u1ee7a m\u00e1y. \u0110\u1ea7m rung b\u00ean trong kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eafm xuy\u00ean xu\u1ed1ng l\u1edbp b\u00ea t\u00f4ng \u0111\u1ed5 tr\u01b0\u1edbc ph\u00eda d\u01b0\u1edbi khi l\u1edbp b\u00ea t\u00f4ng \u0111\u00f3 \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u00f4ng k\u1ebft.<\/p>\n

                                                                          – Kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea7m rung b\u00ea t\u00f4ng th\u00f4ng qua c\u1ed1t th\u00e9p.<\/p>\n

                                                                          B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng.<\/p>\n

                                                                          – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng theo \u0111\u00fang quy \u0111\u1ecbnh. Sau khi \u0111\u1ed5 b\u00ea t\u00f4ng xong nhi\u1ec1u nh\u1ea5t l\u00e0 10 \u2013 12 gi\u1edd v\u1ec1 m\u00f9a \u0111\u00f4ng ho\u1eb7c 4 \u2013 5 gi\u1edd v\u1ec1 m\u00f9a h\u00e8 l\u00e0 ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc b\u1ea3o d\u01b0\u1ee1ng v\u00e0 che ph\u1ee7 m\u1eb7t k\u1ebft c\u1ea5u. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n 50<\/sup> th\u00ec kh\u00f4ng c\u1ea7n t\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n

                                                                          Th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n.<\/p>\n

                                                                          – Th\u00f4ng th\u01b0\u1eddng th\u00e1o v\u00e1n khu\u00f4n th\u00e0nh (kh\u00f4ng ch\u1ecbu tr\u1ecdng l\u01b0\u1ee3ng k\u1ebft c\u1ea5u) sau khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i thi\u1ec3u 25 kg\/cm2<\/sup>.<\/p>\n

                                                                          – \u0110\u1ed1i v\u1edbi \u0111\u00e0 gi\u00e1o v\u00e0 v\u00e1n khu\u00f4n ch\u1ecbu l\u1ef1c tr\u01b0\u1edbc khi th\u00e1o ph\u1ea3i xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng m\u1edbi quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c. Th\u01b0\u1eddng ph\u1ea3i ch\u1edd b\u00ea t\u00f4ng \u0111\u1ea1t 70% c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf m\u1edbi \u0111\u01b0\u1ee3c th\u00e1o, khi th\u00e1o v\u00e1n khu\u00f4n thao t\u00e1c nh\u1eb9 nh\u00e0ng, kh\u00f4ng t\u1ea1o ra l\u1ef1c xung k\u00edch \u0111\u1ed1i v\u1edbi k\u1ebft c\u1ea5u b\u00ea t\u00f4ng. Tr\u01b0\u1edbc v\u00e0 sau khi th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n ch\u1ecbu l\u1ef1c ph\u1ea3i \u0111o \u0111\u1ea1c v\u1ec1 \u0111\u1ed9 l\u00fan v\u00f9ng bi\u1ebfn d\u1ea1ng c\u1ee7a k\u1ebft c\u1ea5u.<\/p>\n

                                                                            \n
                                                                          1. Thi c\u00f4ng t\u01b0\u1eddng th\u00e2n v\u00e0 t\u01b0\u1eddng c\u00e1nh, t\u01b0\u1eddng \u0111\u1ec9nh.<\/strong><\/li>\n<\/ol>\n

                                                                            Tr\u00ecnh t\u1ef1 thi c\u00f4ng:<\/p>\n

                                                                            – \u0110\u1eafp \u0111\u1ea5t xung quanh b\u1ec7 m\u00f3ng b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                                                                            – \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc t\u01b0\u1eddng th\u00e2n v\u00e0 t\u01b0\u1eddng c\u00e1nh m\u1ed1 b\u1eb1ng m\u00e1y to\u00e0n \u0111\u1ea1c.<\/p>\n

                                                                            – Gia c\u00f4ng c\u1ed1t th\u00e9p v\u00e0 l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p.<\/p>\n

                                                                            – L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n v\u00e0 l\u1eafp h\u1ec7 th\u1ed1ng \u0111\u00e0 gi\u00e1o th\u00e9p b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                            – Ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7, tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n, \u0111\u1ed5 b\u00ea t\u00f4ng b\u1eb1ng c\u1ea7n c\u1ea9u.<\/p>\n

                                                                            – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng theo quy \u0111\u1ecbnh, th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00e0 gi\u00e1o.<\/p>\n

                                                                            C\u00f4ng ngh\u1ec7 thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y trong h\u1ea1ng m\u1ee5c thi c\u00f4ng b\u1ec7 m\u1ed1. Ch\u00fa \u00fd c\u00f4ng t\u00e1c \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n b\u1eb1ng \u0111\u00e0 gi\u00e1o. L\u00e0m s\u00e0n c\u00f4ng t\u00e1c tr\u00ean \u0111\u00e0 gi\u00e1o \u0111\u1ec3 thi c\u00f4ng.<\/p>\n

                                                                              \n
                                                                            1. \u0110\u1eafp \u0111\u1ea5t sau m\u1ed1.<\/strong><\/li>\n<\/ol>\n

                                                                              – Vi\u1ec7c \u0111\u1eafp \u0111\u1ea5t sau m\u1ed1 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ti\u1ebfn h\u00e0nh sau khi thi c\u00f4ng b\u00ea t\u00f4ng m\u1ed1 \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 cho ph\u00e9p.<\/p>\n

                                                                              – \u0110\u1ea5t \u0111\u1eafp K95 sau m\u1ed1 \u0111\u01b0\u1ee3c \u0111\u1eafp b\u1eb1ng th\u1ee7 c\u00f4ng. V\u1eadt li\u1ec7u \u0111\u1ea5t \u0111\u1eafp \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5. \u0110\u1ea5t \u0111\u01b0\u1ee3c san th\u00e0nh l\u1edbp v\u1edbi chi\u1ec1u d\u00e0i t\u1eeb 15 \u2013 20 cm. \u0110\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u. Khi l\u1edbp d\u01b0\u1edbi \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt m\u1edbi ti\u1ebfn h\u00e0nh \u0111\u1eafp l\u1edbp tr\u00ean. C\u00e1c c\u00f4ng t\u00e1c \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tu\u1ea7n t\u1ef1 cho t\u1edbi khi \u0111\u1ee7 cao \u0111\u1ed9 thi\u1ebft k\u1ebf. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 \u0111\u1ea7m n\u00e9n v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ea7m \u1edf \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t ho\u1eb7c t\u1eeb 0.8 \u2013 1.2W0<\/sub>. N\u1ebfu kh\u00f4ng nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh x\u1eed l\u00fd \u0111\u1ed9 \u1ea9m tr\u01b0\u1edbc khi \u0111\u1eafp.<\/p>\n

                                                                                \n
                                                                              1. Thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u.<\/strong><\/li>\n<\/ol>\n

                                                                                – K\u1ef9 thu\u1eadt, c\u00f4ng ngh\u1ec7 v\u00e0 bi\u1ec7n ph\u00e1p thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng 10m \u0111\u1ea7u c\u1ea7u ho\u00e0n to\u00e0n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea7n thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                                                                                Ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng.<\/p>\n

                                                                                – Do \u0111\u1eb7c \u0111i\u1ec3m \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u c\u00f3 chi\u1ec1u d\u00e0i thi c\u00f4ng ng\u1eafn, m\u1ed7i l\u1edbp \u0111\u1ea5t \u0111\u1eafp hay k\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf. Sau m\u1ed7i l\u1edbp \u0111\u1eafp ph\u1ea3i ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m n\u00ean th\u1eddi gian gi\u00e3n c\u00e1ch nhi\u1ec1u. H\u1ea1ng m\u1ee5c n\u00e0y b\u1ed1 tr\u00ed chi ti\u1ebft v\u1ec1 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng b\u1ea3o \u0111\u1ea3m c\u1ea3 th\u1eddi gian gi\u00e3n c\u00e1ch. Tr\u00ean th\u1ef1c t\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 x\u00e2y l\u1eafp nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed k\u1ebft h\u1ee3p thi c\u00f4ng c\u00f9ng v\u1edbi n\u1ec1n \u0111\u01b0\u1eddng, b\u1ed1 tr\u00ed nh\u00e2n l\u1ef1c thi c\u00f4ng v\u00e0 \u0111i\u1ec1u ph\u1ed1i m\u00e1y n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                                                                                \u00a0<\/u><\/strong><\/p>\n

                                                                                CH\u01af\u01a0NG III: THI C\u00d4NG TR\u1ee4 C\u1ea6U<\/u><\/strong><\/p>\n

                                                                                 <\/p>\n

                                                                                  \n
                                                                                1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG V\u00c0 \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                                                                  Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u1ea3m b\u1ea3o giao th\u00f4ng b\u1eb1ng \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 ph\u00eda h\u1ea1 l\u01b0u c\u1ea7u n\u00ean kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng t\u00e1c thi c\u00f4ng. B\u1ed1 tr\u00ed m\u1eb7t b\u1eb1ng thi c\u00f4ng c\u00f4ng tr\u01b0\u1eddng\u00a0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong ph\u1ea7n b\u1ea3n v\u1ebd s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7.<\/p>\n

                                                                                    \n
                                                                                  1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n<\/ol>\n

                                                                                    Tr\u1ee5 c\u1ea7u R\u00e0o M\u1ed1c c\u00f3 d\u1ea1ng th\u00e2n h\u1eb9p b\u1eb1ng BTCT, m\u00f3ng n\u00f4ng \u0111\u1eb7t tr\u00ean n\u1ec1n \u0111\u00e1 s\u00e9t k\u1ebft phong h\u00f3a n\u1ee9t n\u1ebb.<\/p>\n

                                                                                      \n
                                                                                    1. Thi c\u00f4ng b\u1ec7 tr\u1ee5.<\/strong><\/li>\n<\/ol>\n

                                                                                      1.1. Chu\u1ea9n b\u1ecb<\/strong><\/p>\n

                                                                                      – T\u1eadp k\u1ebft thi\u1ebft b\u1ecb \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng, chu\u1ea9n b\u1ecb v\u1eadt t\u01b0 theo y\u00eau c\u1ea7u ti\u1ebfn \u0111\u1ed9 c\u00f3 k\u1ec3 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng d\u1ef1 ph\u00f2ng. Ki\u1ec3m tra s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb thi c\u00f4ng. B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 v\u00e0 c\u00f4ng nh\u00e2n thi c\u00f4ng.<\/p>\n

                                                                                      1.2. \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed Tr\u1ee5 C\u1ea7u.<\/strong><\/p>\n

                                                                                      – \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng b\u1eb1ng m\u00e1y to\u00e0n \u0111\u1ea1c. C\u00f4ng t\u00e1c n\u00e0y do k\u1ef9 s\u01b0 tr\u1eafc \u0111\u1ecba c\u00f9ng v\u1edbi c\u00f4ng nh\u00e2n kh\u1ea3o s\u00e1t ti\u1ebfn h\u00e0nh. S\u01a1 \u0111\u1ed3 giao h\u1ed9i \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc \u0111\u01b0\u1ee3c TVGS ki\u1ec3m tra ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi tri\u1ec3n khai thi c\u00f4ng. Ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c d\u1ea5u c\u1ecdc \u0111\u1ec3 c\u00f3 th\u1ec3 kh\u00f4i ph\u1ee5c l\u1ea1i tim tr\u1ee5 c\u1ea7u, tim c\u1ea7u\u2026<\/p>\n

                                                                                      1.3. \u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng.<\/strong><\/p>\n

                                                                                      – S\u1eed d\u1ee5ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng \u0111\u1ec3 thi c\u00f4ng h\u1ed1 m\u00f3ng. B\u00f9n v\u00e0 \u0111\u1ea5t th\u1ea3i kh\u00f4ng t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c nh\u00e0 th\u1ea7u s\u1ebd v\u1eadn chuy\u1ec3n \u0111\u1ed5 \u0111i \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh b\u1eb1ng \u00f4 t\u00f4. \u0110\u00e0o \u0111\u1ea5t t\u1ea1o th\u00e0nh h\u1ed1 m\u00f3ng \u0111\u1ebfn cao \u0111\u1ed9 thi\u1ebft k\u1ebf, ch\u1ec9nh s\u1eeda ch\u00ednh x\u00e1c v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                      – Trong qu\u00e1 tr\u00ecnh \u0111\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng lu\u00f4n lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c tho\u00e1t n\u01b0\u1edbc m\u1eb7t. Qu\u00e1 tr\u00ecnh \u0111\u00e0o \u0111\u1ea5t \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi vi\u1ec7c \u0111\u1eafp \u0111\u1ea5t \u0111\u1ec3 l\u00e0m \u0111\u00ea quai ng\u0103n n\u01b0\u1edbc. Khi \u0111\u00e0o s\u00e2u h\u1ed1 m\u00f3ng, Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed \u0111\u00e0o r\u00e3nh thu n\u01b0\u1edbc, b\u01a1m h\u00fat n\u01b0\u1edbc th\u1ea5m v\u00e0o h\u1ed1 m\u00f3ng b\u1eb1ng m\u00e1y b\u01a1m.<\/p>\n

                                                                                      – H\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c \u0111\u00e0o \u0111\u1ee7 r\u1ed9ng \u0111\u1ec3 c\u00f3 th\u1ec3 thi c\u00f4ng. V\u00e1ch h\u1ed1 m\u00f3ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh b\u1eb1ng c\u00e1ch t\u1ea1o m\u00e1i d\u1ed1c t\u00f9y theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t h\u1ed1 m\u00f3ng. Trong tr\u01b0\u1eddng h\u1ee3p m\u00e1i d\u1ed1c kh\u00f4ng \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u00f3ng c\u1ecdc v\u00e1n \u0111\u1ec3 ch\u1ed1ng v\u00e1ch.<\/p>\n

                                                                                      – Khi \u0111\u00e0o \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y m\u00f3ng n\u1ebfu c\u00f3 ph\u00e1t hi\u1ec7n \u0111\u1ecba ch\u1ea5t kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, Nh\u00e0 th\u1ea7u s\u1ebd xin \u00fd ki\u1ebfn c\u1ee7a k\u1ef9 s\u01b0 TVHT \u0111\u1ec3 c\u00f3 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd.<\/p>\n

                                                                                      – Khi h\u1ed1 m\u00f3ng \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu nh\u00e0 th\u1ea7u ti\u1ebfp t\u1ee5c tri\u1ec3n khai thi c\u00f4ng l\u1edbp l\u00f3t m\u00f3ng v\u00e0 b\u1ec7 tr\u1ee5.<\/p>\n

                                                                                      1.4. C\u00f4ng t\u00e1c thi c\u00f4ng b\u1ec7 tr\u1ee5.<\/em><\/strong><\/p>\n

                                                                                      – B\u1ec7 tr\u1ee5 \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o hai c\u1ea5p. Ti\u1ebfn h\u00e0nh thi c\u00f4ng c\u1ea5p th\u1ee9 nh\u1ea5t tr\u01b0\u1edbc. Sau \u0111\u00f3 thi c\u00f4ng c\u1ea5p th\u1ee9 hai, tr\u00ecnh t\u1ef1 thi c\u00f4ng c\u1ea5p th\u1ee9 hai t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u1ea5p th\u1ee9 nh\u1ea5t (ngo\u1ea1i tr\u1eeb ho\u00e0n thi\u1ec7n h\u1ed1 m\u00f3ng v\u00e0 l\u1edbp b\u00ea t\u00f4ng t\u1ea1o ph\u1eb3ng).<\/p>\n

                                                                                      Tr\u00ecnh t\u1ef1 thi c\u00f4ng:<\/p>\n

                                                                                      – Ho\u00e0n thi\u1ec7n v\u00e0 v\u1ec7 sinh h\u1ed1 m\u00f3ng b\u1eb1ng th\u1ee7 c\u00f4ng. N\u1ebfu c\u00f3 n\u01b0\u1edbc ng\u1ea7m b\u1ed1 tr\u00ed m\u00e1y b\u01a1m h\u00fat c\u1ea1n n\u01b0\u1edbc.<\/p>\n

                                                                                      – Ti\u1ebfn h\u00e0nh thi c\u00f4ng l\u1edbp b\u00ea t\u00f4ng l\u00f3t m\u00f3ng theo ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7. S\u1eed d\u1ee5ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng. L\u1edbp b\u00ea t\u00f4ng l\u00f3t m\u00f3ng n\u00e0y c\u00f3 vai tr\u00f2 t\u1ea1o ph\u1eb3ng cho \u0111\u00e1y b\u1ec7 v\u00e0 ng\u0103n kh\u00f4ng cho n\u01b0\u1edbc th\u1ea5m qua \u0111\u00e1y m\u00f3ng, gi\u1eef v\u1ec7 sinh cho c\u1ed1t th\u00e9p v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng. San g\u1ea1t ph\u1eb3ng \u0111\u00fang k\u00edch th\u01b0\u1edbc b\u1ec1 d\u00e0y thi\u1ebft k\u1ebf. Khi l\u1edbp l\u00f3t m\u00f3ng \u0111\u1ea3m b\u1ea3o c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 \u0111\u01b0\u1ee3c TVGS nghi\u1ec7m thu Nh\u00e0 th\u1ea7u tri\u1ec3n khai thi c\u00f4ng b\u1ec7 m\u00f3ng.<\/p>\n

                                                                                      1.5. L\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p<\/strong><\/p>\n

                                                                                      – Ti\u1ebfn h\u00e0nh gia c\u00f4ng c\u1ed1t th\u00e9p b\u1ec7 m\u1ed1 trong c\u00f4ng x\u01b0\u1edfng song song v\u1edbi vi\u1ec7c chu\u1ea9n b\u1ecb h\u1ed1 m\u00f3ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng. S\u1eed d\u1ee5ng th\u00e9p \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o b\u1ea3o y\u00eau c\u1ea7u \u0111\u1ed9 s\u1ea1ch, \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 quy \u0111\u1ecbnh, gia c\u00f4ng b\u1eb1ng m\u00e1y c\u1eaft u\u1ed1n v\u00e0 b\u00e0n vam. C\u00f4ng t\u00e1c gia c\u00f4ng th\u00e9p theo \u0111\u00fang b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf.<\/p>\n

                                                                                      – Ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p b\u1eb1ng th\u1ee7 c\u00f4ng theo \u0111\u00fang thi\u1ebft k\u1ebf. C\u1ed1t th\u00e9p li\u00ean k\u1ebft b\u1eb1ng th\u00e9p bu\u1ed9c 1 mm. T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft s\u1eed d\u1ee5ng m\u00e1y h\u00e0n \u0111\u1ec3 h\u00e0n m\u1ed1i n\u1ed1i, th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7 c\u00e1c y\u00eau c\u1ea7u c\u1ed1t th\u00e9t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea7n thi c\u00f4ng m\u1ed1 c\u1ea7u.<\/p>\n

                                                                                      1.6. L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n.<\/strong><\/p>\n

                                                                                      – Ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                      – D\u00f9ng c\u1ea9u \u0111\u1ec3 chuy\u1ec3n v\u00e1n khu\u00f4n v\u00e0o v\u1ecb tr\u00ed. \u0110\u1ec3 v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c ph\u1ea3i ch\u1ec9nh b\u1eb1ng th\u1ee7 c\u00f4ng. V\u00e1n khu\u00f4n th\u00e9p b\u1ea3o \u0111\u1ea3m b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng v\u00e0 \u0111\u1ed9 c\u1ee9ng. B\u00f4i tr\u01a1n v\u00e1n khu\u00f4n b\u1eb1ng d\u1ea7u b\u00f4i v\u00e1n khu\u00f4n \u0111\u1ec3 c\u00f4ng t\u00e1c th\u00e1o v\u00e1n khu\u00f4n sau khi \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng. Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u00e1n khu\u00f4n b\u1eb1ng bu l\u00f4ng thi c\u00f4ng. Sau khi l\u1eafp d\u1ef1ng m\u1eb7t trong v\u00e1n khu\u00f4n \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc k\u1ebft c\u1ea5u, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o k\u00edn kh\u00edt kh\u00f4ng m\u1ea5t v\u1eefa khi \u0111\u1ed5 b\u00ea t\u00f4ng. L\u1eafp d\u1ef1ng v\u0103ng ch\u1ed1ng b\u1eb1ng g\u1ed7 h\u1ed9p ho\u1eb7c th\u00e9p g\u00f3c thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n.<\/p>\n

                                                                                      – Tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi v\u00e1n khu\u00f4n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea7n m\u1ed1 c\u1ea7u.<\/p>\n

                                                                                      1.7. \u0110\u1ed5 b\u00ea t\u00f4ng b\u1ec7 tr\u1ee5.<\/strong><\/p>\n

                                                                                      – Ki\u1ec3m tra m\u00e1y m\u00f3c thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u c\u0169ng nh\u01b0 nh\u00e2n l\u1ef1c tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng. V\u1eadt li\u1ec7u \u0111\u1ee7 cho qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng li\u00ean t\u1ee5c. M\u00e1y tr\u1ed9n b\u00ea t\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n

                                                                                      – \u0110\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 b\u1eb1ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi c\u1ea7n c\u1ea9u. Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m \u0111o \u0111\u1ed9 s\u1ee5t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u1ee5t theo thi\u1ebft k\u1ebf. \u0110\u00fac m\u1eabu \u0111\u1ec3 l\u00e0m c\u00f4ng t\u00e1c th\u00ed nghi\u1ec7m ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng. Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111ong c\u1ed1t li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf cho b\u00ea t\u00f4ng.<\/p>\n

                                                                                      – B\u00ea t\u00f4ng sau khi ra kh\u1ecfi m\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c c\u1ea5p v\u00e0o h\u1ed9c ch\u1ee9a b\u00ea t\u00f4ng. D\u00f9ng c\u1ea7n c\u1ea9u \u0111\u1ec3 c\u1ea9u chuy\u1ec3n b\u00ea t\u00f4ng xu\u1ed1ng h\u1ed1 m\u00f3ng. C\u00f4ng t\u00e1c x\u1ea3 b\u00ea t\u00f4ng ti\u1ebfn h\u00e0nh khi \u0111\u1ed9 cao v\u1eefa r\u01a1i t\u1eeb 0.5 \u2013 1m. B\u1ed1 tr\u00ed \u0111\u1ea7m d\u00f9i \u0111\u1ec3 \u0111\u1ea7m b\u00ea t\u00f4ng. C\u00f4ng t\u00e1c thi c\u00f4ng ti\u1ebfn h\u00e0nh trong th\u1eddi gian b\u00ea t\u00f4ng ch\u01b0a ninh k\u1ebft. B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng, che n\u1eafng, m\u01b0a v\u00e0 t\u01b0\u1edbi n\u01b0\u1edbc gi\u1eef \u1ea9m.<\/p>\n

                                                                                      – Khi b\u00ea t\u00f4ng \u0111\u1ee7 c\u1ee9ng ti\u1ebfn h\u00e0nh th\u00e1o v\u00e1n khu\u00f4n. C\u00f4ng t\u00e1c th\u00e1o v\u00e1n khu\u00f4n ti\u1ebfn h\u00e0nh c\u1ea9n th\u1eadn kh\u00f4ng l\u00e0m h\u01b0 h\u1ea1i \u0111\u1ebfn b\u00ea t\u00f4ng k\u1ebft c\u1ea5u.<\/p>\n

                                                                                      \u0110\u00e2y l\u00e0 bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u01a1 b\u1ea3n, c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ed5 b\u00ea t\u00f4ng m\u1ed1 c\u1ea7u.<\/p>\n

                                                                                        \n
                                                                                      1. Thi c\u00f4ng th\u00e2n tr\u1ee5 v\u00e0 x\u00e0 m\u0169 tr\u1ee5.<\/strong><\/li>\n<\/ol>\n

                                                                                        Tr\u00ecnh t\u1ef1 thi c\u00f4ng:<\/p>\n

                                                                                        – \u0110\u1eafp \u0111\u1ea5t xung quanh b\u1ec7 m\u00f3ng b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                        – \u0110\u1ecbnh v\u1ecb x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc t\u01b0\u1eddng th\u00e2n v\u00e0 t\u01b0\u1eddng c\u00e1nh m\u1ed1 b\u1eb1ng m\u00e1y to\u00e0n \u0111\u1ea1c.<\/p>\n

                                                                                        – Gia c\u00f4ng c\u1ed1t th\u00e9p v\u00e0 l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p.<\/p>\n

                                                                                        – L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n v\u00e0 l\u1eafp h\u1ec7 th\u1ed1ng \u0111\u00e0 gi\u00e1o th\u00e9p b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                        – Ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7, tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n, \u0111\u1ed5 b\u00ea t\u00f4ng b\u1eb1ng c\u1ea7n c\u1ea9u.<\/p>\n

                                                                                        – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng theo quy \u0111\u1ecbnh, th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u00e0 gi\u00e1o.<\/p>\n

                                                                                        C\u00f4ng ngh\u1ec7 thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y trong h\u1ea1ng m\u1ee5c tr\u01b0\u1edbc. Ch\u00fa \u00fd c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng \u0111\u00e0 gi\u00e1o th\u00e9p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n v\u00e0 l\u00e0m s\u00e0n c\u00f4ng t\u00e1c tr\u00ean \u0111\u00e0 gi\u00e1o \u0111\u1ec3 thi c\u00f4ng.<\/p>\n

                                                                                          \n
                                                                                        1. \u0110\u1eafp \u0111\u1ea5t xung quanh b\u1ec7 tr\u1ee5.<\/strong><\/li>\n<\/ol>\n

                                                                                          – Vi\u1ec7c \u0111\u1eafp tr\u1ea3 \u0111\u1ea5t h\u1ed1 m\u00f3ng ti\u1ebfn h\u00e0nh sau khi thi c\u00f4ng b\u00ea t\u00f4ng m\u1ed1 \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 cho ph\u00e9p. C\u00f4ng t\u00e1c n\u00e0y c\u00f2n \u0111\u1ec3 t\u1ea1o m\u1eb7t b\u1eb1ng \u0111\u1ec3 l\u1eafp d\u1ef1ng \u0111\u00e0 gi\u00e1o ph\u1ee5c v\u1ee5 thi c\u00f4ng th\u00e2n tr\u1ee5.<\/p>\n

                                                                                          – \u0110\u1eafp \u0111\u1ea5t th\u1ee7 c\u00f4ng. V\u1eadt li\u1ec7u \u0111\u1ea5t \u0111\u1eafp \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5. \u0110\u1ea5t \u0111\u01b0\u1ee3c san th\u00e0nh l\u1edbp v\u1edbi chi\u1ec1u d\u00e0y t\u1eeb 15 \u2013 20 cm. \u0110\u1ea7m ch\u1eb7t b\u1eb1ng \u0111\u1ea7m c\u00f3c \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u. Khi l\u1edbp d\u01b0\u1edbi \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt m\u1edbi ti\u1ebfn h\u00e0nh \u0111\u1eafp l\u1edbp tr\u00ean. C\u00e1c c\u00f4ng t\u00e1c \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tu\u1ea7n t\u1ef1 cho t\u1edbi khi \u0111\u1ee7 cao \u0111\u1ed9 thi\u1ebft k\u1ebf. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 \u0111\u1ea7m n\u00e9n v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111\u1ea7m \u1edf \u0111\u1ed9 \u1ea9m t\u1ed1t nh\u1ea5t ho\u1eb7c t\u1eeb 0.8 \u2013 1.2W0<\/sub>. N\u1ebfu kh\u00f4ng Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh x\u1eed l\u00fd \u0111\u1ed9 \u1ea9m tr\u01b0\u1edbc khi \u0111\u1eafp.<\/p>\n

                                                                                          \u00a0<\/u><\/strong><\/p>\n

                                                                                          CH\u01af\u01a0NG IV: \u0110\u00daC D\u1ea6M BTCT D\u01afL<\/u><\/strong><\/p>\n

                                                                                           <\/p>\n

                                                                                            \n
                                                                                          1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                                                                            Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh \u0111\u00fac d\u1ea7m BTCT t\u1ea1i b\u00e3i \u0111\u00fac c\u00f4ng tr\u01b0\u1eddng. \u0110\u1ea3m b\u1ea3o giao th\u00f4ng b\u1eb1ng \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 ph\u00eda h\u1ea1 l\u01b0u c\u1ea7u n\u00ean kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng t\u00e1c thi c\u00f4ng.<\/p>\n

                                                                                              \n
                                                                                            1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n<\/ol>\n

                                                                                              D\u1ea7m c\u1ea7u \u0111\u1ec1u \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng BTCT D\u01afL. T\u1ea1o \u1ee9ng su\u1ea5t tr\u01b0\u1edbc d\u1ea7m c\u1ea7u b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p k\u00e9o sau. M\u1eb7t c\u1eaft ti\u1ebft di\u1ec7n v\u00e0 chi\u1ec1u d\u00e0i d\u1ea7m c\u00f3 hai lo\u1ea1i kh\u00e1c nhau nh\u01b0ng c\u00f3 m\u1ed9t tr\u00ecnh t\u1ef1 v\u00e0 k\u1ef9 thu\u1eadt thi c\u00f4ng.<\/p>\n

                                                                                                \n
                                                                                              1. Chu\u1ea9n b\u1ecb<\/strong><\/li>\n<\/ol>\n

                                                                                                – Chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng b\u00e3i \u0111\u00fac d\u1ea7m \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u01b0\u1edbc c\u00f9ng v\u1edbi chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng c\u1ea3 c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                                                                                – L\u00e0m b\u1ec7 \u0111\u00fac d\u1ea7m, hai \u0111\u1ea7u b\u1ec7 \u0111\u00fac \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed b\u00ea t\u00f4ng c\u1ed1t th\u00e9p, ph\u1ea7n gi\u1eefa b\u1ec7 \u0111\u00fac \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u0111\u1ec7m \u0111\u00e1 d\u0103m 10cm v\u00e0 l\u1edbp b\u00ea t\u00f4ng M150. C\u1ea7u Khe Tr\u00f9 v\u00e0 C\u1ea7u Khe V\u00f2 b\u1ed1 tr\u00ed m\u1ed9t b\u1ec7 \u0111\u00fac d\u1ea7m. C\u1ea7u R\u00e0o M\u1ed1c b\u1ed1 tr\u00ed hai b\u1ec7 \u0111\u00fac \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng.<\/p>\n

                                                                                                – T\u1eadp k\u1ebft thi\u1ebft b\u1ecb \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng, chu\u1ea9n b\u1ecb v\u1eadt t\u01b0 theo y\u00eau c\u1ea7u ti\u1ebfn \u0111\u1ed9 c\u00f3 k\u1ec3 \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng d\u1ef1 ph\u00f2ng. Ki\u1ec3m tra s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb thi c\u00f4ng. B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 v\u00e0 c\u00f4ng nh\u00e2n thi c\u00f4ng.<\/p>\n

                                                                                                  \n
                                                                                                1. L\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p.<\/strong><\/li>\n<\/ol>\n

                                                                                                  C\u1ed1t th\u00e9p th\u01b0\u1eddng<\/em><\/strong><\/p>\n

                                                                                                  – Ti\u1ebfn h\u00e0nh gia c\u00f4ng c\u1ed1t th\u00e9p th\u01b0\u1eddng trong c\u00f4ng x\u01b0\u1edfng. S\u1eed d\u1ee5ng th\u00e9p \u0111\u00fang ch\u1ee7ng lo\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u \u0111\u1ed9 s\u1ea1ch, \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 quy \u0111\u1ecbnh, gia c\u00f4ng b\u1eb1ng m\u00e1y c\u1eaft u\u1ed1n v\u00e0 b\u00e0n vam. C\u00f4ng t\u00e1c gia c\u00f4ng th\u00e9p theo \u0111\u00fang b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf.<\/p>\n

                                                                                                  – Ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p b\u1eb1ng th\u1ee7 c\u00f4ng theo \u0111\u00fang thi\u1ebft k\u1ebf. \u0110\u1eb7t c\u00e1c l\u01b0\u1edbi th\u00e9p \u0111\u1ecbnh v\u1ecb \u0111\u1ec3 \u0111\u1eb7t \u1ed1ng lu\u1ed3n c\u00e1p D\u01afL. C\u1ed1t th\u00e9p li\u00ean k\u1ebft b\u1eb1ng th\u00e9p bu\u1ed9c 1mm. T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft s\u1eed d\u1ee5ng m\u00e1y h\u00e0n \u0111\u1ec3 h\u00e0n m\u1ed1i n\u1ed1i.<\/p>\n

                                                                                                  – \u0110\u1eb7t \u1ed1ng gen, n\u1ed1i c\u00e1c \u0111o\u1ea1n \u1ed1ng v\u1edbi nhau ch\u1eafc ch\u1eafn, k\u00edn kh\u00edt b\u1eb1ng \u1ed1ng n\u1ed1i.<\/p>\n

                                                                                                  – K\u1ef9 thu\u1eadt gia c\u00f4ng l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p th\u01b0\u1eddng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u1ed1t th\u00e9p b\u1ec7 m\u1ed1.<\/p>\n

                                                                                                  C\u00e1p d\u1ef1 \u1ee9ng l\u1ef1c:<\/em><\/strong><\/p>\n

                                                                                                  – D\u00e2y th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao, khi cung c\u1ea5p t\u1edbi c\u00f4ng tr\u01b0\u1eddng theo ch\u1ee7ng lo\u1ea1i thi\u1ebft k\u1ebf.<\/p>\n

                                                                                                  – Ti\u1ebfn h\u00e0nh vu\u1ed1t th\u1eb3ng, lau d\u00e2y s\u1ea1ch d\u1ea7u v\u00e0 b\u1ea9n tr\u01b0\u1edbc khi \u0111\u00e1nh th\u00e0nh b\u00f3. Kh\u00f4ng d\u00f9ng lo\u1ea1i d\u00e2y r\u1ec9 trong c\u00e1c k\u1ebft c\u1ea5u.<\/p>\n

                                                                                                  – Ciment d\u00f9ng \u0111\u1ec3 tr\u1ed9n b\u00ea t\u00f4ng ho\u1eb7c v\u1eefa \u0111\u1ed5 c\u00e1c neo v\u00e0 v\u1eefa \u0111\u1ec3 phun ph\u1ea3i c\u00f3 s\u1ed1 hi\u1ec7u \u00edt nh\u1ea5t l\u00e0 500.<\/p>\n

                                                                                                  Ch\u1ebf t\u1ea1o c\u00e1c b\u00f3 d\u00e2y, neo, \u1ed1ng v\u00e0 r\u00f4ng \u0111en.<\/p>\n

                                                                                                  – C\u00e1c d\u00e2y c\u00e1p \u0111\u01b0\u1ee3c c\u1eaft \u0111\u1ee7 chi\u1ec1u d\u00e0i to\u00e0n d\u1ea7m c\u00f3 k\u1ec3 \u0111\u1ebfn chi\u1ec1u d\u00e0i thi c\u00f4ng.<\/p>\n

                                                                                                  – C\u00e1c d\u00e2y trong b\u00f3 \u00f4m v\u00e0o nhau cho \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i d\u1ea7m.<\/p>\n

                                                                                                  – C\u00e1c m\u00f3c c\u1ee7a d\u00e2y trong l\u00f2ng \u1ed1ng neo \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed chia \u0111\u1ec1u theo \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m cho b\u00ea t\u00f4ng v\u1eefa l\u1ecdt v\u00e0o t\u1ea5t c\u1ea3 ch\u1ed7 r\u1ed7ng trong neo.<\/p>\n

                                                                                                  – Rung h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng (ho\u1eb7c v\u1eefa) c\u00f3 t\u1ef7 l\u1ec7 n\u01b0\u1edbc ciment 0,25 \u2013 0,35 tr\u00ean c\u00e1c b\u00e0n rung.<\/p>\n

                                                                                                  – D\u00f9ng c\u00e1c lo\u1ea1i \u1ed1ng \u0111\u1ec3 t\u1ea1o \u0111\u01b0\u1eddng \u1ed1ng th\u00f4ng su\u1ed1t trong k\u1ebft c\u1ea5u kh\u00f4ng \u0111\u1ec3 cho \u1ed1ng b\u1ecb h\u1eb9p \u1edf b\u1ea5t k\u1ef3 ch\u1ed7 n\u00e0o.<\/p>\n

                                                                                                  – Trong th\u1eddi gian \u0111\u1ed5 b\u00ea t\u00f4ng k\u1ebft c\u1ea5u, b\u1ecbt c\u00e1c \u1ed1ng phun v\u1eefa tr\u00e1nh cho b\u00ea t\u00f4ng r\u01a1i v\u00e0o l\u00f2ng \u1ed1ng.<\/p>\n

                                                                                                  – \u0110\u00e1nh s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c \u1ed1ng nh\u00e1nh v\u00e0 \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed c\u1ee7a ch\u00fang.<\/p>\n

                                                                                                    \n
                                                                                                  1. L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n.<\/strong><\/li>\n<\/ol>\n

                                                                                                    – V\u00e1n khu\u00f4n \u0111\u00e1y \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean b\u1ec7 \u0111\u00fac tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p.<\/p>\n

                                                                                                    – V\u00e1n khu\u00f4n th\u00e0nh d\u1ea7m \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t sau khi v\u00e0o c\u1ed1t th\u00e9p. Ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n th\u00e0nh d\u1ea7m b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                                    – D\u00f9ng c\u1ea9u \u0111\u1ec3 chuy\u1ec3n v\u00e1n khu\u00f4n v\u00e0o v\u1ecb tr\u00ed. \u0110\u1ec3 v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c ph\u1ea3i ch\u1ec9nh b\u1eb1ng th\u1ee7 c\u00f4ng. V\u00e1n khu\u00f4n th\u00e9p b\u1ea3o \u0111\u1ea3m b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng v\u00e0 \u0111\u1ed9 c\u1ee9ng. B\u00f4i tr\u01a1n v\u00e1n khu\u00f4n b\u1eb1ng d\u1ea7u b\u00f4i v\u00e1n khu\u00f4n \u0111\u1ec3 c\u00f4ng t\u00e1c th\u00e1o v\u00e1n khu\u00f4n sau khi \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng. Li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u00e1n khu\u00f4n b\u1eb1ng bul\u00f4ng thi c\u00f4ng. Sau khi l\u1eafp d\u1ef1ng m\u1eb7t trong v\u00e1n khu\u00f4n \u0111\u00fang v\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc k\u1ebft c\u1ea5u, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o k\u00edn kh\u00edt kh\u00f4ng m\u1ea5t v\u1eefa khi \u0111\u1ed5 b\u00ea t\u00f4ng. Ch\u1ed1ng v\u00e1n khu\u00f4n b\u1eb1ng t\u0103ng \u0111\u01a1 ch\u1ed1ng.<\/p>\n

                                                                                                    – \u0110\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e1n khu\u00f4n t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u1ea7n v\u00e1n khu\u00f4n m\u1ed1 c\u1ea7u.<\/p>\n

                                                                                                      \n
                                                                                                    1. \u0110\u1ed5 b\u00ea t\u00f4ng d\u1ea7m c\u1ea7u.<\/strong><\/li>\n<\/ol>\n

                                                                                                      – Ki\u1ec3m tra m\u00e1y m\u00f3c thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u c\u0169ng nh\u01b0 nh\u00e2n l\u1ef1c tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng. V\u1eadt li\u1ec7u \u0111\u1ee7 cho qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng li\u00ean t\u1ee5c. M\u00e1y tr\u1ed9n b\u00ea t\u00f4ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n

                                                                                                      – \u0110\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 b\u1eb1ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi c\u1ea7n c\u1ea9u. Ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m \u0111o \u0111\u1ed9 s\u1ee5t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 s\u1ee5t theo thi\u1ebft k\u1ebf. \u0110\u00fac m\u1eabu \u0111\u1ec3 l\u00e0m c\u00f4ng t\u00e1c th\u00ed nghi\u1ec7m ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng. Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111ong c\u1ed1t li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf cho b\u00ea t\u00f4ng.<\/p>\n

                                                                                                      – B\u00ea t\u00f4ng sau khi ra kh\u1ecfi m\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c c\u1ea5p v\u00e0o h\u1ed9c ch\u1ee9a b\u00ea t\u00f4ng. D\u00f9ng c\u1ea7n c\u1ea9u \u0111\u1ec3 c\u1ea9u chuy\u1ec3n b\u00ea t\u00f4ng. C\u00f4ng t\u00e1c x\u1ea3 b\u00ea t\u00f4ng ti\u1ebfn h\u00e0nh khi \u0111\u1ed9 cao v\u1eefa r\u01a1i t\u1eeb 0.5 \u2013 1m. B\u1ed1 tr\u00ed \u0111\u1ea7m c\u1ea1nh l\u1eafp \u1edf th\u00e0nh v\u00e1n khu\u00f4n \u0111\u1ec3 \u0111\u1ea7m b\u00ea t\u00f4ng. C\u00f4ng t\u00e1c thi c\u00f4ng ti\u1ebfn h\u00e0nh trong th\u1eddi gian b\u00ea t\u00f4ng ch\u01b0a ninh k\u1ebft.<\/p>\n

                                                                                                      – \u0110\u1ed5 b\u00ea t\u00f4ng v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt nh\u01b0 c\u00e1c h\u1ea1ng m\u1ee5c kh\u00e1c \u0111\u00e3 tr\u00ecnh b\u00e0y chi ti\u1ebft ph\u1ea7n tr\u00ean.<\/p>\n

                                                                                                      – Khi b\u00ea t\u00f4ng \u0111\u1ee7 c\u1ee9ng ti\u1ebfn h\u00e0nh th\u00e1o v\u00e1n khu\u00f4n. C\u00f4ng t\u00e1c th\u00e1o v\u00e1n khu\u00f4n ti\u1ebfn h\u00e0nh c\u1ea9n th\u1eadn kh\u00f4ng l\u00e0m h\u01b0 h\u1ecfng b\u00ea t\u00f4ng k\u1ebft c\u1ea5u.<\/p>\n

                                                                                                        \n
                                                                                                      1. C\u0103ng k\u00e9o th\u00e9p D\u01afL<\/strong><\/li>\n<\/ol>\n

                                                                                                        – Sau khi \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ea7n ti\u1ebfn h\u00e0nh th\u00f4ng \u1ed1ng gen \u0111\u1ec3 ch\u1ed1ng t\u1eafc \u00f4ng. Chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 thi\u1ebft b\u1ecb c\u0103ng k\u00e9o, ki\u1ec3m tra v\u1eadn h\u00e0nh th\u1eed \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb. Khi c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng R3 ho\u1eb7c R4 \u0111\u1ea1t y\u00eau c\u1ea7u th\u00ec \u0111\u1ee7 ti\u00eau chu\u1ea9n c\u0103ng k\u00e9o c\u1ed1t th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n

                                                                                                        \u0110\u1eb7t v\u00e0 c\u0103ng c\u00e1c b\u00f3 c\u1ed1t th\u00e9p:<\/p>\n

                                                                                                        – \u0110\u1eb7t c\u00e1c b\u00f3 d\u00e2y v\u00e0o k\u1ebft c\u1ea5u sau khi b\u00ea t\u00f4ng trong neo \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 \u00edt nh\u1ea5t b\u1eb1ng 150 kg\/m2<\/sup>. Khi c\u0103ng c\u00e1c b\u00f3 d\u00e2y, c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng trong neo v\u00e0 trong k\u1ebft c\u1ea5u kh\u00f4ng \u00edt h\u01a1n c\u01b0\u1eddng \u0111\u1ed9 m\u00e0 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t y\u00eau c\u1ea7u.<\/p>\n

                                                                                                        – Sai s\u1ed1 v\u1ecb tr\u00ed c\u1ee7a c\u00e1c b\u00f3 d\u00e2y so v\u1edbi thi\u1ebft k\u1ebf trong tr\u01b0\u1eddng h\u1ee3p c\u00e1 bi\u1ec7t kh\u00f4ng l\u1edbn h\u01a1n:<\/p>\n

                                                                                                        + B\u00f3 d\u00e2y d\u1ecdc:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10 mm<\/p>\n

                                                                                                        + D\u00e2y cho\u00e0ng c\u0103ng tr\u01b0\u1edbc:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5 mm<\/p>\n

                                                                                                        Khi c\u0103ng t\u1ea5t c\u1ea3 c\u00e1c b\u00f3 d\u00e2y c\u00f9ng m\u1ed9t l\u00fac tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng chi\u1ec1u d\u00e0i \u0111\u1ec1u nhau b\u1eb1ng c\u00e1ch d\u00f9ng l\u1ef1c 3 \u2013 5 t\u1ea5n k\u00e9o l\u1ea7n l\u01b0\u1ee3t t\u1eebng b\u00f3 v\u00e0 \u0111\u1eb7t v\u00e0o r\u00f4ng \u0111en v\u00e0o ng\u00e0m<\/p>\n

                                                                                                        – B\u1eaft \u0111\u1ea7u c\u0103ng k\u00e9o c\u1ed1t th\u00e9p d\u1ef1 \u1ee9ng l\u1ef1c khi c\u00e1c cu\u1ed9c th\u1eed nghi\u1ec7m tr\u00ean c\u00e1c m\u1eabu h\u00ecnh l\u1eadp ph\u01b0\u01a1ng b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t c\u00f9ng lo\u1ea1i v\u1edbi t\u1eebng c\u1ea5u ki\u1ec7n ri\u00eang m\u00e0 s\u1ebd \u0111\u01b0\u1ee3c d\u1ef1 \u1ee9ng l\u1ef1c \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n nh\u01b0 trong b\u1ea3n v\u1ebd quy \u0111\u1ecbnh v\u00e0 c\u00f4ng ngh\u1ec7 thi c\u00f4ng. C\u0103ng k\u00e9o th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao khi b\u00ea t\u00f4ng \u0111\u1ea1t 90% c\u01b0\u1eddng \u0111\u1ed9 ti\u00eau chu\u1ea9n.<\/p>\n

                                                                                                        – Trong khi c\u0103ng c\u00e1c b\u00f3 d\u00e2y, ki\u1ec3m tra tr\u1ecb s\u1ed1 l\u1ef1c c\u0103ng c\u1ee7a t\u1eebng b\u00f3. Ki\u1ec3m tra l\u1ef1c c\u0103ng theo ch\u1ec9 s\u1ed1 c\u1ee7a \u00e1p l\u1ef1c k\u1ebf \u0111\u00e3 chu\u1ea9n \u0111\u1ed9 v\u00e0 theo \u0111\u1ed9 k\u00e9o d\u00e0i c\u1ee7a b\u00f3 d\u00e2y. Sai s\u1ed1 trong tr\u01b0\u1eddng h\u1ee3p c\u00e1 bi\u1ec7t v\u1ec1 \u0111\u1ed9 k\u00e9o d\u00e0i so v\u1edbi thi\u1ebft k\u1ebf ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p l\u1edbn h\u01a1n v\u00e0 kh\u00f4ng qu\u00e1 15% trong tr\u01b0\u1eddng h\u1ee3p k\u00edch b\u1ea3o \u0111\u1ea3m \u0111\u1ea1t l\u1ef1c thi\u1ebft k\u1ebf.<\/p>\n

                                                                                                        – Sau khi c\u0103ng xong b\u00f3 d\u00e2y l\u1ea5y v\u1eefa ciment phun \u0111\u1ea7y v\u00e0o c\u00e1c r\u00e3nh n\u1eb1m trong k\u1ebft c\u1ea5u, phun v\u1eefa t\u1eebng r\u00e3nh cho li\u00ean t\u1ee5c. Vi\u1ec7c phun v\u1eefa c\u00e1c r\u00e3nh v\u00e0 qu\u00e1 tr\u00ecnh \u0111\u00f4ng c\u1ee9ng v\u1eefa ciment cho t\u1edbi c\u01b0\u1eddng \u0111\u1ed9 150 kg\/cm2<\/sup> ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n + 50<\/sup>C.<\/p>\n

                                                                                                        – B\u1ed1 tr\u00ed k\u00edch c\u0103ng k\u00e9o hai \u0111\u1ea7u d\u1ea7m, ti\u1ebfn h\u00e0nh c\u0103ng k\u00e9o theo c\u00e1c \u00e1p l\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n tr\u01b0\u1edbc.<\/p>\n

                                                                                                        – Sau khi c\u0103ng k\u00e9o ti\u1ebfn h\u00e0nh c\u1eaft b\u1ecf ph\u1ea7n chi\u1ec1u d\u00e0i thi c\u00f4ng c\u1ee7a c\u1ed1t th\u00e9p D\u01afL.<\/p>\n

                                                                                                        – B\u01a1m n\u01b0\u1edbc th\u00f4ng \u1ed1ng gen tr\u01b0\u1edbc khi b\u01a1m v\u1eefa v\u00e0o \u1ed1ng gen. Sau khi th\u00f4ng n\u01b0\u1edbc \u1ed1ng gen, tr\u1ed9n v\u1eefa v\u00e0 b\u01a1m v\u1eefa v\u00e0o \u1ed1ng gen.<\/p>\n

                                                                                                        – \u0110\u1ed5 b\u00ea t\u00f4ng b\u1ecbt hai \u0111\u1ea7u d\u1ea7m, s\u00e0ng ngang s\u00e0ng d\u1ea7m ra kh\u1ecfi b\u1ec7 \u0111\u00fac.<\/p>\n

                                                                                                        – V\u1ec7 sinh s\u1ea1ch s\u1ebd v\u00e1n khu\u00f4n \u0111\u00e1y, ch\u1ec9nh l\u1ea1i cao \u0111\u1ed9 chu\u1ea9n b\u1ecb c\u00f4ng t\u00e1c \u0111\u00fac phi\u1ebfn d\u1ea7m ti\u1ebfp theo.<\/p>\n

                                                                                                        – C\u00e1c phi\u1ebfn d\u1ea7m ti\u1ebfp theo \u0111\u01b0\u1ee3c tri\u1ec3n khai c\u00e1c b\u01b0\u1edbc thi c\u00f4ng t\u01b0\u01a1ng t\u1ef1.<\/p>\n

                                                                                                        \u00a0<\/u><\/strong><\/p>\n

                                                                                                        CH\u01af\u01a0NG V: L\u1eaeP \u0110\u1eb6T D\u1ea6M V\u00c0 HO\u00c0N THI\u1ec6N C\u1ea6U<\/u><\/strong><\/p>\n

                                                                                                         <\/p>\n

                                                                                                          \n
                                                                                                        1. B\u1ed0 TR\u00cd M\u1eb6T B\u1eb0NG THI C\u00d4NG <\/strong><\/li>\n<\/ol>\n

                                                                                                          Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed m\u1eb7t b\u1eb1ng thi c\u00f4ng tr\u00ean \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u ph\u00eda V\u0169ng \u00e1ng v\u00e0 trong ph\u1ea1m vi x\u00e2y d\u1ef1ng c\u1ea7u. \u0110\u1ea3m b\u1ea3o giao th\u00f4ng b\u1eb1ng \u0111\u01b0\u1eddng c\u00f4ng v\u1ee5 ph\u00eda h\u1ea1 l\u01b0u c\u1ea7u n\u00ean kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng t\u00e1c thi c\u00f4ng.<\/p>\n

                                                                                                            \n
                                                                                                          1. GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT V\u00c0 C\u00d4NG NGH\u1ec6<\/strong><\/li>\n
                                                                                                          2. L\u1eafp \u0111\u1eb7t d\u1ea7m ph\u01b0\u01a1ng ph\u00e1p lao d\u1ecdc s\u00e0ng d\u1ea7m b\u1eb1ng gi\u00e1 po\u00f3c t\u00edch.<\/strong><\/li>\n<\/ol>\n

                                                                                                            Ph\u01b0\u01a1ng \u00e1n lao l\u1eafp n\u00e0y ti\u1ebfn h\u00e0nh thi c\u00f4ng cho ch\u1ea7u Khe Tr\u00f9 v\u00e0 C\u1ea7u Khe Tr\u00f2. \u0110\u01b0\u1eddng lao d\u1ecdc \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed tr\u00ean \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u v\u00e0 c\u1ea7u d\u1eabn. C\u1ea7u d\u1eabn \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng d\u1ea7m d\u1eabn I550 v\u00e0 tr\u1ee5 t\u1ea1m pa l\u00ea.<\/p>\n

                                                                                                            1.1. L\u00e0m \u0111\u01b0\u1eddng lao d\u1ecdc v\u00e0 c\u1ea7u d\u1eabn:<\/em><\/strong><\/p>\n

                                                                                                            – \u0110\u00e0o m\u00f3ng tr\u1ee5 tr\u1ea1m pal\u00ea b\u1eb1ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. C\u00f4ng t\u00e1c \u0111\u00e0o h\u1ed1 m\u00f3ng t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng h\u1ed1 m\u00f3ng m\u1ed1 tr\u1ee5 c\u1ea7u.<\/p>\n

                                                                                                            – L\u00e0m r\u1ecd \u0111\u00e1 k\u00edch th\u01b0\u1edbc 1x1x1.5m, x\u1ebfp r\u1ecd \u0111\u00e1 \u0111\u1ec3 l\u00e0m b\u1ec7 m\u00f3ng c\u1ee7a tr\u1ee5 pal\u00ea.<\/p>\n

                                                                                                            – L\u1eafp \u0111\u1eb7t tr\u1ee5 pal\u00ea tr\u00ean m\u00f3ng t\u1ea1m b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng, li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd tr\u1ee5 pa l\u00ea b\u1eb1ng bul\u00f4ng thi c\u00f4ng.<\/p>\n

                                                                                                            – Ti\u1ebfn h\u00e0nh c\u1ea9u chuy\u1ec3n v\u00e0 l\u1eafp \u0111\u1eb7t d\u1ea7m d\u1eabn I550 v\u00e0o v\u1ecb tr\u00ed. Li\u00ean k\u1ebft b\u1eb1ng b\u1ea3n t\u00e1p hai d\u1ea7m I \u0111\u01a1n d\u1ea7m h\u1ed9p. C\u1ea7u d\u1eabn \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed hai h\u1ed9p d\u1ea7m \u0111\u1eb7t song song kho\u1ea3ng c\u00e1ch tim hai d\u1ea7m h\u1ed9p l\u00e0 1.0m. Hai h\u1ed9p d\u1ea7m \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng c\u00e1c li\u00ean k\u1ebft ngang l\u00e0 c\u00e1c b\u1ea3n t\u00f4n v\u00e0 th\u00e9p g\u00f3c thi c\u00f4ng.<\/p>\n

                                                                                                            – L\u1eafp d\u1ef1ng gi\u00e1 po\u00f3c t\u00edch, li\u00ean k\u1ebft t\u1ea1m v\u1edbi m\u1ed1 b\u1eb1ng c\u00e1ch h\u00e0n v\u00e0o c\u00e1c th\u00e9p g\u00f3c thi c\u00f4ng \u0111\u00e3 ch\u00f4n s\u1eb5n tr\u00ean m\u1ed1.<\/p>\n

                                                                                                            – N\u00e9o gi\u00e1 po\u00f3c t\u00edch b\u1eb1ng d\u00e2y c\u00e1p v\u00e0o h\u1ed1 th\u1ebf.<\/p>\n

                                                                                                            – L\u00e0m \u0111\u01b0\u1eddng lao d\u1ecdc tr\u00ean \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u v\u00e0 tr\u00ean c\u1ea7u d\u1eabn b\u1eb1ng ray v\u00e0 t\u00e0 v\u1eb9t.<\/p>\n

                                                                                                            1.2. S\u00e0ng ngang d\u1ea7m tr\u00ean b\u00e3i.<\/em><\/strong><\/p>\n

                                                                                                            – L\u00e0m \u0111\u01b0\u1eddng s\u00e0ng ngang b\u1eb1ng ray v\u00e0 t\u00e0 v\u1eb9t. \u0110\u01b0\u1eddng s\u00e0ng ngang b\u1ed1 tr\u00ed hai \u0111\u1ea7u d\u1ea7m (trong ph\u1ea1m vi m\u1edf r\u1ed9ng th\u00e2n d\u1ea7m). S\u00e0ng ngang d\u1ea7m t\u1edbi v\u1ecb tr\u00ed tim \u0111\u01b0\u1eddng lao k\u00e9o d\u1ee5c c\u1ee7a d\u1ea7m d\u1eabn. S\u00e0ng d\u1ea7m b\u1eb1ng b\u00e0n tr\u01b0\u1ee3t, con l\u0103n v\u00e0 pal\u0103ngx\u00edch. Qu\u00e1 tr\u00ecnh s\u00e0ng d\u1ea7m lu\u00f4n b\u1ea3o \u0111\u1ea3m d\u1ea7m th\u1eb3ng \u0111\u1ee9ng, k\u00e9o d\u1ea7m di chuy\u1ec3n \u0111\u1ec1u tr\u00ean \u0111\u01b0\u1eddng s\u00e0ng ngang.<\/p>\n

                                                                                                            1.3. Lao k\u00e9o d\u1ecdc v\u00e0 \u0111\u1eb7t d\u1ea7m v\u00e0o v\u1ecb tr\u00ed.<\/em><\/strong><\/p>\n

                                                                                                            – K\u00edch d\u1ea7m l\u00ean 2 xe go\u00f2ng ch\u1edf d\u1ea7m t\u1ea1i \u0111\u01b0\u1eddng lao d\u1ecdc. B\u1ed1 tr\u00ed h\u1ed1 th\u1ebf, t\u1eddi k\u00e9o v\u00e0 t\u1eddi h\u00e0m. Ti\u1ebfn h\u00e0nh lao k\u00e9o d\u1ea7m ra v\u1ecb tr\u00ed nh\u1ecbp.<\/p>\n

                                                                                                            – D\u00f9ng hai gi\u00e1 po\u00f3c t\u00edch b\u1ed1 tr\u00ed tr\u00ean hai m\u1ed1 M1 v\u00e0 M2 n\u00e2ng v\u00e0 s\u00e0ng d\u1ea7m v\u00e0o v\u1ecb tr\u00ed g\u1ed1i. Phi\u1ebfn d\u1ea7m \u0111\u1ea7u ti\u00ean \u0111\u01b0a v\u00e0o v\u1ecb tr\u00ed th\u00ec ti\u1ebfn h\u00e0nh ch\u1ed1ng d\u1ea7m ch\u1eafc ch\u1eafn. C\u00e1c phi\u1ebfn d\u1ea7m ti\u1ebfp theo \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u01b0\u01a1ng t\u1ef1. Khi phi\u1ebfn d\u1ea7m th\u1ee9 hai \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0o v\u1ecb tr\u00ed th\u00ec ti\u1ebfn h\u00e0nh li\u00ean k\u1ebft v\u1edbi phi\u1ebfn \u0111\u1ea7u ti\u00ean. C\u00f4ng t\u00e1c li\u00ean k\u1ebft \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng c\u00e1ch h\u00e0n n\u1ed1i m\u1ed9t s\u1ed1 c\u1ed1t th\u00e9p m\u1eb7t c\u1ea7u. Ri\u00eang phi\u1ebfn d\u1ea7m \u1edf v\u1ecb tr\u00ed d\u1ea7m d\u1eabn sau khi lao d\u1ecdc \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1m tr\u00ean c\u00e1c d\u1ea7m \u0111\u00e3 lao.<\/p>\n

                                                                                                            – Ti\u1ebfn h\u00e0nh th\u00e1o d\u1ee1 d\u1ea7m d\u1eabn b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. D\u00f9ng gi\u00e1 po\u00f3c t\u00edch \u0111\u01b0a d\u1ea7m v\u00e0o v\u1ecb tr\u00ed g\u1ed1i.<\/p>\n

                                                                                                            Sau khi l\u1eafp \u0111\u1eb7t xong phi\u1ebfn d\u1ea7m sau c\u00f9ng, ti\u1ebfn h\u00e0nh th\u00e1o gi\u00e1 po\u00f3c t\u00edch.<\/p>\n

                                                                                                              \n
                                                                                                            1. L\u1eafp \u0111\u1eb7t d\u1ea7m ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng xe lao d\u1ea7m.<\/strong><\/li>\n<\/ol>\n

                                                                                                              Ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng k\u1ebft c\u1ea5u nh\u1ecbp b\u1eb1ng xe lao \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 thi c\u00f4ng KCN c\u1ea7u R\u00e0o M\u1ed1c.<\/p>\n

                                                                                                              2.1. L\u1eafp d\u1ef1ng xe lao d\u1ea7m v\u00e0 \u0111\u01b0\u1eddng di chuy\u1ec3n xe lao, \u0111\u01b0\u1eddng d\u1ecdc c\u1ea5p d\u1ea7m.<\/em><\/strong><\/p>\n

                                                                                                              – Xe lao d\u1ea7m \u0111\u01b0\u1ee3c th\u00e1o r\u1eddi th\u00e0nh c\u00e1c c\u1ea5u ki\u1ec7n \u0111\u1ec3 v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                                                                                              T\u1ea1i c\u00f4ng tr\u01b0\u1eddng Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh l\u1eafp xe lao d\u1ea7m \u0111\u1ec3 thi c\u00f4ng KCN.<\/p>\n

                                                                                                              – Ti\u1ebfn h\u00e0nh l\u00e0m \u0111\u01b0\u1eddng di chuy\u1ec3n xe lao d\u1ea7m b\u1eb1ng ray v\u00e0 t\u00e0 v\u1eb9t.<\/p>\n

                                                                                                              – L\u1eafp h\u1ec7 \u0111\u00e0 gi\u00e1o l\u1eafp xe lao b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                                              – L\u1eafp xe lao d\u1ea7m theo b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf c\u1ee7a xe lao d\u1ea7m b\u1eb1ng c\u1ea7n c\u1ea9u k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. L\u1eafp c\u00e1c c\u1ea5u ki\u1ec7n xe lao t\u1eeb ch\u00e2n sau th\u00e2n xe \u0111\u1ebfn ch\u00e2n tr\u01b0\u1edbc. L\u1eafp \u0111\u1eb7t ho\u00e0n ch\u1ec9nh h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n xe lao d\u1ea7m, h\u1ec7 th\u1ed1ng di chuy\u1ec3n v\u00e0 n\u00e2ng h\u1ea1 d\u1ea7m\u2026<\/p>\n

                                                                                                              – L\u00e0m \u0111\u01b0\u1eddng d\u1ecdc c\u1ea5p d\u1ea7m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p lao k\u00e9o d\u1ecdc.<\/p>\n

                                                                                                              2.2. S\u00e0ng ngang d\u1ea7m tr\u00ean b\u00e3i.<\/em><\/strong><\/p>\n

                                                                                                              C\u00f4ng t\u00e1c s\u00e0ng ngang d\u1ea7m tr\u00ean b\u00e3i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y \u1edf ph\u1ea7n tr\u00ean.<\/p>\n

                                                                                                              2.3. Lao k\u00e9o d\u1ecdc v\u00e0 \u0111\u1eb7t d\u1ea7m v\u00e0o v\u1ecb tr\u00ed.<\/em><\/strong><\/p>\n

                                                                                                              L\u1eafp \u0111\u1eb7t d\u1ea7m nh\u1ecbp 1:<\/p>\n

                                                                                                              – V\u1eadn h\u00e0nh th\u1eed xe lao d\u1ea7m, ki\u1ec3m tra s\u1ef1 ho\u1ea1t \u0111\u1ed9ng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng xe lao.<\/p>\n

                                                                                                              – Th\u1eed t\u1ea3i xe lao d\u1ea7m, di chuy\u1ec3n v\u00e0 n\u00e2ng h\u1ea1 d\u1ea7m.<\/p>\n

                                                                                                              – Di chuy\u1ec3n xe lao d\u1ea7m ra nh\u1ecbp 1.<\/p>\n

                                                                                                              – C\u1ea5p d\u1ea7m \u0111\u1ebfn v\u1ecb tr\u00ed xe lao.<\/p>\n

                                                                                                              – D\u00f9ng 2 xe con c\u1ee7a xe lao d\u1ea7m \u0111\u1ee1 \u0111\u1ea7u d\u1ea7m v\u00e0 di chuy\u1ec3n d\u1ea7m ra v\u1ecb tr\u00ed nh\u1ecbp.<\/p>\n

                                                                                                              – S\u00e0ng ngang tr\u00ean nh\u1ecbp phi\u1ebfn d\u1ea7m v\u1eeba lao v\u00e0o v\u1ecb tr\u00ed g\u1ed1i, ch\u1ed1ng d\u1ea7m ch\u1eafc ch\u1eafn. C\u00e1c phi\u1ebfn d\u1ea7m kh\u00e1c \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh lao l\u1eafp t\u01b0\u01a1ng t\u1ef1 cho \u0111\u1ebfn khi ho\u00e0n th\u00e0nh nh\u1ecbp 1.<\/p>\n

                                                                                                              L\u1eafp \u0111\u1eb7t d\u1ea7m nh\u1ecbp 2:<\/p>\n

                                                                                                              Li\u00ean k\u1ebft c\u00e1c phi\u1ebfn d\u1ea7m nh\u1ecbp 1. L\u00e0m \u0111\u01b0\u1eddng di chuy\u1ec3n xe lao v\u00e0 \u0111\u01b0\u1eddng c\u1ea5p d\u1ea7m tr\u00ean nh\u1ecbp.<\/p>\n

                                                                                                              – Di chuy\u1ec3n xe lao sang nh\u1ecbp.<\/p>\n

                                                                                                              – C\u1ea5p d\u1ea7m \u0111\u1ebfn v\u1ecb tr\u00ed xe lao \u1edf nh\u1ecbp 1.<\/p>\n

                                                                                                              – L\u1eafp \u0111\u1eb7t d\u1ea7m v\u00e0o v\u1ecb tr\u00ed g\u1ed1i t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng nh\u1ecbp 1.<\/p>\n

                                                                                                              L\u1eafp \u0111\u1eb7t d\u1ea7m nh\u1ecbp 3:<\/p>\n

                                                                                                              Qu\u00e1 tr\u00ecnh di chuy\u1ec3n xe c\u0169ng nh\u01b0 l\u1eafp \u0111\u1eb7t d\u1ea7m ti\u1ebfn h\u00e0nh t\u01b0\u01a1ng t\u1ef1 nh\u01b0 trong nh\u1ecbp 2.<\/p>\n

                                                                                                              Sau khi thi c\u00f4ng nh\u1ecbp 3 ti\u1ebfn h\u00e0nh th\u00e1o xe lao v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng lao d\u1ecdc, s\u00e0ng ngang.<\/p>\n

                                                                                                                \n
                                                                                                              1. Thi c\u00f4ng m\u1eb7t c\u1ea7u v\u00e0 ho\u00e0n thi\u1ec7n<\/strong><\/li>\n<\/ol>\n

                                                                                                                3.1. Thi c\u00f4ng d\u1ea7m ngang v\u00e0 m\u1ed1i n\u1ed1i d\u1ecdc c\u1ea7u.<\/em><\/strong><\/p>\n

                                                                                                                – Ti\u1ebfn h\u00e0nh thi c\u00f4ng li\u00ean k\u1ebft ngang v\u00e0 m\u1ed1i n\u1ed1i d\u1ecdc c\u1ea7u. Tr\u01b0\u1edbc ti\u00ean th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c gia c\u00f4ng c\u1ed1t th\u00e9p. V\u1ec7 sinh s\u1ea1ch s\u1ebd m\u1ed1i n\u1ed1i. L\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p theo b\u1ea3n v\u1ebd thi c\u00f4ng. Chu\u1ea9n b\u1ecb v\u00e1n khu\u00f4n li\u00ean k\u1ebft ngang v\u00e0 v\u00e1n khu\u00f4n m\u1ed1i n\u1ed1i d\u1ecdc. Ti\u1ebfn h\u00e0nh v\u1ec7 sinh, lau d\u1ea7u v\u00e0 l\u1eafp \u0111\u1eb7t v\u00e1n khu\u00f4n. V\u00e1n khu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u00fang k\u00edch th\u01b0\u1edbc ph\u1eb3ng, k\u00edn kh\u00edt kh\u00f4ng \u0111\u1ec3 v\u1eefa ch\u1ea3y ra ngo\u00e0i. Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u, m\u00e1y tr\u1ed9n, \u0111\u1ea7m d\u00f9i v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c \u0111\u1ed5 b\u00ea t\u00f4ng. \u0110\u1ec3 b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. \u0110\u1ea7m b\u00ea t\u00f4ng b\u1eb1ng \u0111\u1ea7m d\u00f9i. Sau khi \u0111\u1ed5 b\u00ea t\u00f4ng ti\u1ebfn h\u00e0nh b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng.<\/p>\n

                                                                                                                Thi c\u00f4ng lan can:<\/p>\n

                                                                                                                – Gia c\u00f4ng c\u1ed1t th\u00e9p, t\u1eadp k\u1ebft v\u1eadt li\u1ec7u. Chu\u1ea9n b\u1ecb v\u00e1n khu\u00f4n, v\u1ec7 sinh v\u00e1n khu\u00f4n. L\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p b\u1eb1ng h\u00e0n ho\u1eb7c bu\u1ed9c. L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n b\u1eb1ng c\u1ea9u, li\u00ean k\u1ebft ch\u1eafc ch\u1eafn v\u00e1n khu\u00f4n. \u0110\u1ed5 b\u00ea t\u00f4ng li\u1ec1n kh\u1ed1i t\u1ea1i ch\u1ed7 b\u1eb1ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng th\u00e1o v\u00e1n khu\u00f4n. L\u1eafp \u0111\u1eb7t th\u00e9p tay v\u1ecbn lan can c\u1ea7u.<\/p>\n

                                                                                                                L\u1edbp ch\u1ed1ng th\u1ea5m m\u1eb7t c\u1ea7u:<\/em><\/strong><\/p>\n

                                                                                                                – Khi thi c\u00f4ng l\u1edbp ch\u1ed1ng th\u1ea5m, b\u1ec1 m\u1eb7t c\u1ea7u ph\u1ea3i s\u1ea1ch v\u00e0 kh\u00f4 r\u00e1o. N\u1ebfu kh\u00f4ng \u0111\u1ea3m b\u1ea3o v\u1ec7 sinh th\u00ec ph\u1ea3i ti\u1ebfn h\u00e0nh v\u1ec7 sinh s\u1ea1ch s\u1ebd, l\u00e0m kh\u00f4 v\u00e0 th\u1ed5i b\u1ee5i. L\u1edbp ch\u1ed1ng th\u1ea5m \u0111\u01b0\u1ee3c d\u00e1n b\u1eb1ng keo. D\u00f9ng \u0111\u00e8n kh\u00f2 \u0111\u1ec3 l\u00e0m n\u00f3ng nh\u1ef1a d\u00e1n, khi l\u1edbp nh\u1ef1a \u0111\u1ed3ng \u0111\u1ec1u ti\u1ebfn h\u00e0nh gi\u00e1n l\u1edbp ch\u1ed1ng th\u1ea5m d\u00e0y 4mm.<\/p>\n

                                                                                                                3.3. C\u00f4ng t\u00e1c thi c\u00f4ng l\u1edbp b\u00ea t\u00f4ng t\u1ea1o ph\u1eb3ng.<\/em><\/strong><\/p>\n

                                                                                                                – Ngay sau khi thi c\u00f4ng l\u1edbp ch\u1ed1ng th\u1ea5m m\u1eb7t c\u1ea7u, Nh\u00e0 th\u1ea7u ti\u1ebfn h\u00e0nh b\u1ed1 tr\u00ed thi c\u00f4ng l\u1edbp b\u00ea t\u00f4ng t\u1ea1o ph\u1eb3ng.<\/p>\n

                                                                                                                – D\u00f9ng m\u00e1y to\u00e0n \u0111\u1ea1c \u0111o \u0111\u1ea1c ch\u00ednh x\u00e1c cao \u0111\u1ed9 \u0111\u1ea3m b\u1ea3o b\u1ec1 d\u00e0y v\u00e0 mui luy\u1ec7n, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c cho l\u1edbp b\u00ea t\u00f4ng t\u1ea1o ph\u1eb3ng.<\/p>\n

                                                                                                                – Chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 v\u1eadt li\u1ec7u, ki\u1ec3m tra thi\u1ebft b\u1ecb tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                                                                                                                – Ti\u1ebfn h\u00e0nh thi c\u00f4ng \u0111\u1ed5 b\u00ea t\u00f4ng m\u1eb7t c\u1ea7u t\u1ea1i ch\u1ed7 b\u1eb1ng m\u00e1y tr\u1ed9n k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                                                – B\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng, che n\u1eafng, che m\u01b0a, t\u01b0\u1edbi n\u01b0\u1edbc gi\u1eef \u1ea9m.<\/p>\n

                                                                                                                3.4. Thi c\u00f4ng l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a m\u1eb7t c\u1ea7u<\/em><\/strong><\/p>\n

                                                                                                                Thi c\u00f4ng b\u00ea t\u00f4ng nh\u1ef1a m\u1eb7t c\u1ea7u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng ngh\u1ec7 thi c\u00f4ng b\u00ea t\u00f4ng nh\u1ef1a m\u1eb7t \u0111\u01b0\u1eddng.<\/p>\n

                                                                                                                – B\u00ea t\u00f4ng nh\u1ef1a \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i tr\u1ea1m tr\u1ed9n \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng b\u1eb1ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5.<\/p>\n

                                                                                                                – C\u00f4ng t\u00e1c san r\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng m\u00e1y r\u1ea3i chuy\u00ean d\u1ee5ng.<\/p>\n

                                                                                                                – Ti\u1ebfn h\u00e0nh lu l\u00e8n ngay sau khi san r\u1ea3i b\u1eb1ng lu th\u00e9p v\u00e0 lu l\u1ed1p.<\/p>\n

                                                                                                                3.5. C\u00f4ng t\u00e1c thi c\u00f4ng khe co gi\u00e3n.<\/em><\/strong><\/p>\n

                                                                                                                – \u0110o \u0111\u1ea1c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc.<\/p>\n

                                                                                                                – D\u00f9ng m\u00e1y c\u1eaft b\u00ea t\u00f4ng nh\u1ef1a x\u00e9n ph\u1eb3ng ph\u1ea7n b\u00ea t\u00f4ng nh\u1ef1a n\u1eb1m trong ph\u1ea1m vi l\u1eafp \u0111\u1eb7t khe co gi\u00e3n.<\/p>\n

                                                                                                                – L\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p li\u00ean k\u1ebft, th\u00e2n bu l\u00f4ng c\u1ee7a khe co gi\u00e3n, \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y khe co gi\u00e3n.<\/p>\n

                                                                                                                – L\u1eafp \u0111\u1eb7t khe co gi\u00e3n b\u1eb1ng th\u1ee7 c\u00f4ng, li\u00ean k\u1ebft ch\u1eafc ch\u1eafn b\u1eb1ng bu l\u00f4ng. D\u00e1n keo \u0111\u1eady k\u00edn c\u00e1c v\u1ecb tr\u00ed bu l\u00f4ng sau khi b\u1ea3o \u0111\u1ea3m v\u1ec7 sinh s\u1ea1ch s\u1ebd.<\/p>\n

                                                                                                                3.6. C\u00f4ng t\u00e1c x\u00e2y \u0111\u00e1 ch\u00e2n khay, t\u1ee9 n\u00f3n m\u00e1i taluy \u0111\u1ea7u c\u1ea7u.<\/em><\/strong><\/p>\n

                                                                                                                – \u0110o \u0111\u1ea1c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed k\u00edch th\u01b0\u1edbc ch\u00e2n khay \u0111\u00e0o m\u00f3ng ch\u00e2y khay b\u1eb1ng m\u00e1y \u0111\u00e0o k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng.<\/p>\n

                                                                                                                – T\u1eadp k\u1ebft \u0111\u00e1 h\u1ed9c, \u0111\u00e1 d\u0103m, c\u00e1t, xi m\u0103ng v\u00e0 c\u00e1c v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft kh\u00e1c t\u1ea1i v\u1ecb tr\u00ed x\u00e2y d\u1ef1ng.<\/p>\n

                                                                                                                – Tri\u1ec3n khai c\u00f4ng t\u00e1c x\u00e2y \u0111\u00e1 h\u1ed9c ch\u00e2n khay v\u00e0 t\u1ee9 n\u00f3n.<\/p>\n

                                                                                                                Khi x\u00e2y \u0111\u00e1 ph\u1ea7n m\u00e1i d\u1ed1c t\u1ee9 n\u00f3n ch\u00fa \u00fd \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt sau \u0111\u00e2y:<\/p>\n

                                                                                                                – Tr\u01b0\u1edbc khi x\u00e2y ph\u1ea3i b\u1ea1t c\u1ecf, b\u1ea1t b\u1ecf ph\u1ea7n \u0111\u1ea5t d\u01b0, b\u1ea3o \u0111\u1ea3m \u0111\u1ed9 d\u1ed1c v\u00e0 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng m\u00e1i d\u1ed1c t\u1ee9 n\u00f3n. K\u00edch th\u01b0\u1edbc b\u1ec1 m\u1eb7t song song v\u1edbi m\u1eb7t ph\u1eb3ng l\u00e1t t\u1ed1i thi\u1ec3u 10×20 cm. B\u1ec1 d\u00e0y th\u1eb3ng g\u00f3c m\u1eb7t x\u00e2y l\u00e1t 15 \u2013 25cm. C\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e1 t\u1ed1i thi\u1ec3u \u0111\u1ea1t 400kg\/cm2<\/sup>. \u0110\u00e1 ph\u1ea3i s\u1ea1ch kh\u00f4ng d\u00ednh b\u00f9n. Khi x\u00e2y ph\u1ea3i tr\u00e1t v\u1eefa v\u00e0o m\u1eb7t n\u1eb1m ngang v\u00e0 g\u00f5 nh\u1eb9 b\u00faa v\u00e0o \u0111\u00e1 x\u00e2y \u0111\u1ec3 m\u1ea1ch no v\u1eefa.<\/p>\n

                                                                                                                – \u0110\u1ec7m \u0111\u00e1 d\u0103m ch\u00e8n ch\u1eb7t d\u01b0\u1edbi \u0111\u00e1 h\u1ed9c x\u00e2y. K\u00edch th\u01b0\u1edbc \u0111\u00e1 d\u0103m \u0111\u1ec7m l\u00e0 4 x 6, h\u00f2n l\u1edbn nh\u1ea5t k\u00edch th\u01b0\u1edbc kh\u00f4ng qu\u00e1 8 cm.<\/p>\n

                                                                                                                – V\u1ec1 m\u00f9a n\u1eafng nhi\u1ec7t \u0111\u1ed9 300<\/sup>C, t\u01b0\u1edbi n\u01b0\u1edbc b\u1ea3o d\u01b0\u1ee1ng \u0111\u00e1 x\u00e2y t\u1ed1i thi\u1ec3u 4 ti\u1ebfng \u0111\u1ed3ng h\u1ed3 sau khi x\u00e2y xong.<\/p>\n

                                                                                                                X\u00e2y r\u00e3nh tho\u00e1t n\u01b0\u1edbc d\u01b0\u1edbi m\u00e1i taluy \u0111\u1ea7u c\u1ea7u t\u01b0\u01a1ng t\u1ef1 nh\u01b0 thi c\u00f4ng r\u00e3nh n\u1ec1n \u0111\u01b0\u1eddng.<\/p>\n

                                                                                                                3.7. Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea7u<\/em><\/strong><\/p>\n

                                                                                                                – Thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh c\u00f9ng v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng c\u1ee7a tuy\u1ebfn. C\u00f4ng ngh\u1ec7, k\u1ef9 thu\u1eadt v\u00e0 ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng \u0111\u00e3 tr\u00ecnh b\u00e0y chi ti\u1ebft ph\u1ea7n \u0111\u01b0\u1eddng.<\/p>\n

                                                                                                                – Thanh th\u1ea3i l\u00f2ng s\u00f4ng ho\u00e0n thi\u1ec7n c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh, chu\u1ea9n b\u1ecb t\u00e0i li\u1ec7u ho\u00e0n c\u00f4ng \u0111\u1ec3 b\u00e0n giao c\u00f4ng tr\u00ecnh.<\/p>\n

                                                                                                                III. BI\u1ec6N PH\u00c1P \u0110\u1ea2M B\u1ea2O CH\u1ea4T L\u01af\u1ee2NG X\u00c2Y L\u1eaeP THI C\u00d4NG C\u1ea6U<\/strong><\/p>\n

                                                                                                                  \n
                                                                                                                1. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng<\/strong><\/li>\n<\/ol>\n

                                                                                                                  1.1. V\u1ecb tr\u00ed v\u00e0 k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc<\/em><\/strong><\/p>\n

                                                                                                                  – Nh\u00e0 th\u1ea7u s\u1ebd tri\u1ec3n khai c\u00f4ng t\u00e1c l\u1eadp l\u01b0\u1edbi kh\u1ed1ng ch\u1ebf to\u1ea1 \u0111\u1ed9, l\u1eadp s\u01a1 \u0111\u1ed3 giao h\u1ed9i \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb tim c\u1ea7u, tim m\u1ed1 tr\u1ee5 c\u1ea7u, ti\u1ebfn h\u00e0nh c\u00f4ng t\u00e1c d\u1ea5u c\u1ecdc d\u1eddi kh\u1ecfi ph\u1ea1m vi thi c\u00f4ng c\u00f4ng tr\u00ecnh.<\/p>\n

                                                                                                                  – Nh\u00e0 th\u1ea7u s\u1ebd thi\u1ebft l\u1eadp cao \u0111\u1ed9 v\u00e0 m\u1ed1c cao \u0111\u1ed9 ph\u1ee5 v\u1edbi s\u1ed1 l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft theo \u0111\u1ecba h\u00ecnh, Nh\u00e0 th\u1ea7u s\u1ebd c\u1eed c\u00e1c nh\u00e2n vi\u00ean c\u00f3 kinh nghi\u1ec7m v\u1edbi thi\u1ebft b\u1ecb \u0111o \u0111\u1ea1c hi\u1ec7n \u0111\u1ea1i t\u00ednh to\u00e1n, x\u00e1c \u0111\u1ecbnh. S\u01a1 \u0111\u1ed3 v\u00e0 k\u1ebft qu\u1ea3 t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c k\u1ef9 s\u01b0 t\u01b0 v\u1ea5n ki\u1ec3m tra ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n

                                                                                                                  – T\u1ea5t c\u1ea3 c\u00f4ng t\u00e1c thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c \u0111\u1ecbnh v\u1ecb tr\u01b0\u1edbc khi thi c\u00f4ng, \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed tr\u00ean n\u1ec1n \u0111\u1ea5t b\u1eb1ng c\u1ecdc b\u00ea t\u00f4ng ho\u1eb7c b\u1eb1ng c\u1ecdc g\u1ed7 \u0111\u00f3ng \u0111inh, \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed tr\u00ean m\u1eb7t b\u00ea t\u00f4ng b\u1eb1ng s\u01a1n\u2026 Nh\u1eefng c\u00f4ng t\u00e1c quan tr\u1ecdng nh\u01b0 \u0111\u1ed5 b\u00ea t\u00f4ng, vi\u1ec7c \u0111o \u0111\u1ea1c \u0111\u1ecbnh v\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1eb7t ch\u1ebd.<\/p>\n

                                                                                                                  1.2. \u0110\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng trong thi c\u00f4ng.<\/em><\/strong><\/p>\n

                                                                                                                  C\u00f4ng t\u00e1c thi c\u00f4ng \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, ch\u00fa \u00fd \u0111\u1eb7c bi\u1ec7t c\u00e1c v\u1ea5n \u0111\u1ec1 sau:<\/p>\n

                                                                                                                  – V\u1eadt li\u1ec7u xi m\u0103ng, c\u00e1t \u0111\u00e1, s\u1eaft th\u00e9p, b\u00e1n th\u00e0nh ph\u1ea9m\u2026 \u0111\u1ee7 ti\u00eau chu\u1ea9n \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf. Ch\u1ec9 mua v\u00e0 \u0111\u01b0a v\u00e0o x\u00e2y l\u1eafp v\u1eadt t\u01b0 v\u1eadt li\u1ec7u \u0111\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e3 \u0111\u01b0\u1ee3c TVGS v\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 ch\u1ea5p thu\u1eadn. B\u1ea3o qu\u1ea3n th\u00e9p v\u00e0 v\u1eadt li\u1ec7u trong kho, tr\u00e1nh \u0111\u1ec3 c\u1ed1t th\u00e9p g\u1ec9, b\u1ea9n, v\u1eadt li\u1ec7u b\u1ecb thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n hay gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng do b\u1ea3o qu\u1ea3n.<\/p>\n

                                                                                                                  – L\u00e0m t\u1ed1t c\u00f4ng t\u00e1c th\u00ed nghi\u1ec7m ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/p>\n

                                                                                                                  – B\u1ea3o \u0111\u1ea3m h\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng \u0111\u1ea3m b\u1ea3o tr\u1ed9n b\u00ea t\u00f4ng theo \u0111\u00fang t\u1ec9 ph\u1ed1i thi\u1ebft k\u1ebf. B\u00ea t\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c tr\u1ed9n k\u1ef9 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u1ee5t, c\u01b0\u1eddng \u0111\u1ed9\u2026 Ki\u1ec3m t\u1ea3 \u0111\u1ed9 s\u1ee5t b\u00ea t\u00f4ng ngay t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh cho ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

                                                                                                                  – \u0110\u1ed5 b\u00ea t\u00f4ng k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh kh\u00e1c \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n li\u00ean t\u1ee5c \u0111\u1ea3m b\u1ea3o t\u00ednh li\u1ec1n kh\u1ed1i. C\u00e1c t\u00e1c \u0111\u1ed9ng t\u1ea3i tr\u1ecdng thi c\u00f4ng, c\u00f4ng t\u00e1c \u0111\u1ea7m b\u00ea t\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt, k\u1ebft th\u00fac \u0111\u1ea7m tr\u01b0\u1edbc khi b\u00ea t\u00f4ng b\u1eaft \u0111\u1ea7u ninh k\u1ebft.<\/p>\n

                                                                                                                  – S\u1eed d\u1ee5ng v\u00e1n khu\u00f4n th\u00e9p, \u0111\u1ea3m b\u1ea3o b\u1ec1 m\u1eb7t b\u1eb1ng ph\u1eb3ng, \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng, k\u00edn kh\u00edt v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c bi\u1ebfn d\u1ea1ng. Th\u00e1o v\u00e1n khu\u00f4n khi b\u00ea t\u00f4ng \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 cho ph\u00e9p, kh\u00f4ng l\u00e0m h\u01b0 h\u1ea1i \u0111\u1ebfn b\u00ea t\u00f4ng k\u1ebft c\u1ea5u.<\/p>\n

                                                                                                                  – Ki\u1ec3m tra ch\u1eb7t ch\u1ebd h\u1ec7 th\u1ed1ng v\u0103ng ch\u1ed1ng, \u0111\u00e0 gi\u00e1o thep UYKM b\u1ea3o \u0111\u1ea3m ch\u1eafc ch\u1eafn, \u1ed5n \u0111\u1ecbnh cho v\u00e1n khu\u00f4n khi \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

                                                                                                                  – Thi\u1ebft b\u1ecb c\u0103ng k\u00e9o c\u1ed1t th\u00e9p D\u01afL ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, h\u1ec7 th\u1ed1ng \u0111o \u00e1p l\u1ef1c ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111o \u0111\u00fang \u00e1p l\u1ef1c, \u0111\u00fang l\u1ef1c k\u00e9o c\u00e1p theo t\u1eebng c\u1ea5p. Theo d\u00f5i ch\u1eb7t ch\u1ebd \u0111\u1ed9 d\u00e3n d\u00e0i c\u1ee7a c\u00e1p v\u00e0 \u0111\u1ed9 v\u1ed3ng c\u1ee7a d\u1ea7m theo t\u1eebng c\u1ea5p l\u1ef1c.<\/p>\n

                                                                                                                  – C\u00f4ng t\u00e1c di chuy\u1ec3n, l\u1eafp \u0111\u1eb7t d\u1ea7m, ph\u1ea3i \u0111\u1ea3m b\u1ea3o d\u1ea7m lu\u00f4n lu\u00f4n th\u1eb3ng \u0111\u1ee9ng tr\u00e1nh nghi\u00eang \u0111\u1ed5 va \u0111\u1eadp l\u00e0m h\u1ecfng d\u1ea7m.<\/p>\n

                                                                                                                  – C\u00e1c h\u1ea1ng m\u1ee5c th\u1ea3m b\u00ea t\u00f4ng nh\u1ef1a, x\u00e2y \u0111\u00e1, \u0111\u1eafp \u0111\u1ea5t, h\u1ed1 m\u00f3ng,\u2026 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y chi ti\u1ebft ph\u1ea7n \u0111\u01b0\u1eddng.<\/p>\n

                                                                                                                  \u00a0<\/u><\/strong><\/p>\n

                                                                                                                  PH\u1ea6N V: C\u00c1C BI\u1ec6N PH\u00c1P KH\u00c1C<\/u><\/strong><\/p>\n

                                                                                                                  CH\u01af\u01a0NG I. BI\u1ec6N PH\u00c1P CHUNG \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG <\/u><\/strong><\/p>\n

                                                                                                                  V\u00c0 \u0110\u1ea2M B\u1ea2O CH\u1ea4T L\u01af\u1ee2NG X\u00c2Y L\u1eaeP<\/u><\/strong><\/p>\n

                                                                                                                   <\/p>\n

                                                                                                                    \n
                                                                                                                  1. C\u00d4NG T\u00c1C \u0110\u1ea2M B\u1ea2O GIAO TH\u00d4NG CHUNG<\/strong><\/li>\n<\/ol>\n

                                                                                                                    – T\u1ea1i c\u00e1c h\u1ea1ng m\u1ee5c thi c\u00f4ng Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed m\u1eb7t b\u1eb1ng thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o giao th\u00f4ng. T\u1eadp k\u1ebft v\u1eadt t\u01b0 thi\u1ebft b\u1ecb, b\u1ed1 tr\u00ed c\u00f4ng ngh\u1ec7 thi c\u00f4ng ngo\u00e0i ph\u1ea1m vi \u0111\u1ea3m b\u1ea3o th\u00f4ng xe.<\/p>\n

                                                                                                                    – B\u1ed1 tr\u00ed \u0111\u01b0\u1eddng tr\u00e1nh c\u00f4ng v\u1ee5 \u0111\u1ec3 v\u1eeba thi c\u00f4ng v\u1eeba \u0111\u1ea3m b\u1ea3o giao th\u00f4ng ph\u1ee5c v\u1ee5 thi c\u00f4ng \u0111\u1ed3ng th\u1eddi c\u00e1c m\u0169i thi c\u00f4ng kh\u00e1c.<\/p>\n

                                                                                                                    – Ph\u1ea7n th\u00f4ng xe \u0111\u01b0\u1ee3c duy tr\u00ec v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt nh\u01b0 b\u1ec1 r\u1ed9ng \u0111\u01b0\u1eddng, b\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong, kh\u00f4ng b\u1ecb l\u1ea7y l\u1ed9i, tr\u01a1n tr\u01b0\u1ee3t\u2026 b\u1ea3o \u0111\u1ea3m an to\u00e0n xe ch\u1ea1y.<\/p>\n

                                                                                                                    – Nh\u00e0 th\u1ea7u chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 bi\u1ec3n b\u00e1o c\u00f4ng tr\u01b0\u1eddng, bi\u1ec3n h\u1ea1n ch\u1ebf t\u1ed1c \u0111\u1ed9, bi\u1ec3n ch\u1ec9 h\u01b0\u1edbng, b\u1ed1 tr\u00ed \u0111\u1ea7y \u0111\u1ee7 tr\u00ean c\u00f4ng tr\u01b0\u1eddng theo \u0111\u00fang \u0111i\u1ec1u l\u1ec7 bi\u1ec3n b\u00e1o giao th\u00f4ng \u0111\u01b0\u1eddng b\u1ed9.<\/p>\n

                                                                                                                    – B\u1ed1 tr\u00ed r\u00e0o ch\u1eafn t\u1ea1i nh\u1eefng v\u1ecb tr\u00ed \u0111\u00e0o r\u00e3nh s\u00e2u, h\u1ed1 m\u00f3ng c\u00f4ng tr\u00ecnh \u0111ang thi c\u00f4ng. B\u1ed1 tr\u00ed r\u00e0o ch\u1eafn t\u1ea1m th\u1eddi \u0111\u1ec3 n\u0103ng c\u00e1ch ph\u1ea1m vi m\u1eb7t b\u1eb1ng \u0111ang thi c\u00f4ng v\u00e0 ph\u1ea7n \u0111\u1ea3m b\u1ea3o giao th\u00f4ng.<\/p>\n

                                                                                                                    – B\u1ed1 tr\u00ed barie hai \u0111\u1ea7u c\u00f4ng tr\u00ecnh t\u1ed1i thi\u1ec3u 50m, b\u1ed1 tr\u00ed b\u0103ng \u0111\u1ecf, c\u00f2i, c\u1edd hi\u1ec7u cho ng\u01b0\u1eddi tr\u1ef1c ti\u1ebfp h\u01b0\u1edbng d\u1eabn giao th\u00f4ng.<\/p>\n

                                                                                                                    – B\u1ed1 tr\u00ed \u0111\u00e8n chi\u1ebfu s\u00e1ng, b\u1ea3o \u0111\u1ea3m t\u1ea7m nh\u00ecn v\u00e0o ban \u0111\u00eam.<\/p>\n

                                                                                                                    – T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed \u0111ang thi c\u00f4ng kh\u00f3 kh\u0103n nh\u01b0 \u0111\u00e0o \u0111\u1ea5t t\u1eeb tr\u00ean cao, c\u00f4ng t\u00e1c n\u1ed5 ph\u00e1 \u0111\u00e1 m\u1ed3 c\u00f4i, m\u1eb7t \u0111\u01b0\u1eddng \u0111ang t\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m\u2026 m\u1ecdi thi\u1ebft b\u1ecb v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n qua l\u1ea1i ph\u1ea3i tu\u00e2n theo ch\u1ec9 d\u1eabn v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u1ee7a ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn giao th\u00f4ng. B\u1ed1 tr\u00ed \u0111\u1ea7y \u0111\u1ee7 ng\u01b0\u1eddi h\u01b0\u1edbng d\u1eabn giao th\u00f4ng t\u1ea1i nh\u1eefng n\u01a1i kh\u00f3 kh\u0103n nguy hi\u1ec3m.<\/p>\n

                                                                                                                      \n
                                                                                                                    1. BI\u1ec6N PH\u00c1P CHUNG \u0110\u1ea2M B\u1ea2O CH\u1ea4T L\u01af\u1ee2NG X\u00c2Y L\u1eaeP.<\/strong><\/li>\n<\/ol>\n

                                                                                                                      \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, Nh\u00e0 th\u1ea7u tri\u1ec3n khai th\u1ef1c hi\u1ec7n \u0111\u1ed3ng b\u1ed9 c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 sau:<\/p>\n

                                                                                                                      – Nghi\u00ean c\u1ee9u k\u1ef9 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf c\u1ee7a d\u1ef1 \u00e1n, hi\u1ec3u r\u00f5 k\u1ebft c\u1ea5u v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh, xem x\u00e9t n\u1eafm v\u1eefng \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean, \u0111\u1ecba h\u00ecnh, \u0111\u1ecba ch\u1ea5t, \u0111i\u1ec1u ki\u1ec7n x\u00e3 h\u1ed9i, c\u0169ng nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan t\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh.<\/p>\n

                                                                                                                      – T\u00ednh to\u00e1n b\u1ed1 tr\u00ed \u0111\u1ea7y \u0111\u1ee7 v\u00e0 \u0111\u1ed3ng b\u1ed9 thi\u1ebft b\u1ecb, nh\u00e2n l\u1ef1c c\u0169ng nh\u01b0 v\u1eadt t\u01b0 thi c\u00f4ng. B\u1ea3o \u0111\u1ea3m v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng v\u00e0 y\u00eau c\u1ea7u c\u00f4ng ngh\u1ec7 theo ti\u1ebfn \u0111\u1ed9 c\u00f4ng tr\u00ecnh. B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n v\u00e0 kinh nghi\u1ec7m \u0111\u00e3 t\u1eebng thi c\u00f4ng t\u1ed1t c\u00e1c c\u00f4ng tr\u00ecnh t\u01b0\u01a1ng t\u1ef1. C\u00f4ng nh\u00e2n, th\u1ee3 v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o \u0111\u00fang ng\u00e0nh ngh\u1ec1 ch\u00ednh quy, b\u1ed1 tr\u00ed c\u00f4ng t\u00e1c ph\u00f9 h\u1ee3p v\u1edbi chuy\u00ean m\u00f4n \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o. M\u00e1y m\u00f3c thi\u1ebft b\u1ecb lu\u00f4n lu\u00f4n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t, t\u00ednh n\u0103ng, ch\u1ee7ng lo\u1ea1i \u0111\u00fang y\u00eau c\u1ea7u c\u1ee7a h\u1ea1ng m\u1ee5c c\u00f4ng vi\u1ec7c. V\u1eadt li\u1ec7u thi c\u00f4ng c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u01b0\u1ee3c ki\u1ec3m tra ch\u1eb7t ch\u1ebd \u0111\u1ea3m b\u1ea3o c\u00e1c ch\u1ec9 ti\u00eau ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh.<\/p>\n

                                                                                                                      – L\u00e0m t\u1ed1t c\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb, ch\u1ee7 \u0111\u1ed9ng trong c\u00f4ng t\u00e1c thi c\u00f4ng.<\/p>\n

                                                                                                                      – T\u1ed5 ch\u1ee9c thi c\u00f4ng m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng, B\u1ed9 m\u00e1y \u0111i\u1ec1u h\u00e0nh tinh g\u1ecdn c\u00f3 hi\u1ec7u qu\u1ea3 cao. T\u1ed5 ch\u1ee9c c\u00e1c \u0111\u1ed9i s\u1ea3n xu\u1ea5t h\u1ee3p l\u00fd. C\u00e1c t\u1ed5 thi c\u00f4ng th\u1ef1c hi\u1ec7n c\u00e1c d\u00e2y chuy\u1ec1n m\u1ed9t c\u00e1ch chuy\u00ean nghi\u1ec7p, t\u0103ng n\u0103ng su\u1ea5t lao \u0111\u1ed9ng, gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed trong thi c\u00f4ng.<\/p>\n

                                                                                                                      – Qu\u00e1 tr\u00ecnh thi c\u00f4ng lu\u00f4n lu\u00f4n th\u1ef1c hi\u1ec7n nghi\u00eam t\u00fac \u0111\u00fang tr\u00ecnh t\u1ef1 v\u00e0 k\u1ef9 thu\u1eadt c\u1ee7a t\u1eebng h\u1ea1ng m\u1ee5c thi c\u00f4ng.<\/p>\n

                                                                                                                      – B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 hi\u1ec7n tr\u01b0\u1eddng ki\u1ec3m tra s\u00e1t sao qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n, h\u01b0\u1edbng d\u1eabn ch\u1ec9 \u0111\u1ea1o th\u1ef1c hi\u1ec7n k\u1ecbp th\u1eddi c\u00f4ng t\u00e1c s\u1ea3n xu\u1ea5t.<\/p>\n

                                                                                                                      – N\u00e2ng cao \u0111\u1eddi s\u1ed1ng v\u1eadt ch\u1ea5t, tinh th\u1ea7n cho CBCNV g\u1eafn s\u1ea3n xu\u1ea5t kinh doanh v\u00e0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng \u0111o\u00e0n th\u1ec3, ho\u1ea1t \u0111\u1ed9ng x\u00e3 h\u1ed9i g\u00f3p ph\u1ea7n th\u00fac \u0111\u1ea9y s\u1ea3n xu\u1ea5t.<\/p>\n

                                                                                                                      – \u0110\u1ec1 ra c\u00e1c ch\u1ebf \u0111\u1ed9 khen th\u01b0\u1edfng khuy\u1ebfn kh\u00edch c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean c\u00f3 nhi\u1ec1u th\u00e0nh t\u00edch trong qu\u1ea3n l\u00fd, s\u1ea3n xu\u1ea5t, c\u1ea3i ti\u1ebfn k\u1ef9 thu\u1eadt.<\/p>\n

                                                                                                                      – N\u1eafm b\u1eaft ph\u1ed5 bi\u1ebfn k\u1ebf ho\u1ea1ch c\u00f4ng ngh\u1ec7 v\u00e0 bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t tr\u00e1nh c\u00e1c s\u1ef1 c\u1ed1 do ch\u01b0a n\u1eafm v\u1eefng k\u1ef9 thu\u1eadt. Ti\u1ebfp thu c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 m\u1edbi trong s\u1ea3n xu\u1ea5t.<\/p>\n

                                                                                                                      – Ch\u00fa tr\u1ecdng t\u1edbi c\u00f4ng t\u00e1c \u0111\u00e0o t\u1ea1o v\u00e0 r\u00e8n luy\u1ec7n \u0111\u1ec3 CBCNV ng\u00e0y c\u00e0ng c\u00f3 tay ngh\u1ec1 cao, n\u00e2ng cao kh\u1ea3 n\u0103ng chuy\u00ean m\u00f4n ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t.<\/p>\n

                                                                                                                      – T\u0103ng c\u01b0\u1eddng c\u00f4ng t\u00e1c ATL\u0110, th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1c quy \u0111\u1ecbnh v\u1ec1 b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng v\u00e0 an to\u00e0n lao \u0111\u1ed9ng. B\u1ea3o \u0111\u1ea3m s\u1ea3n xu\u1ea5t An to\u00e0n \u2013 Ti\u1ebfn \u0111\u1ed9 v\u00e0 Ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

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                                                                                                                      \u00a0<\/u><\/strong><\/p>\n

                                                                                                                      CH\u01af\u01a0NG II. \u0110\u1ea2M B\u1ea2O AN TO\u00c0N LAO \u0110\u1ed8NG V\u00c0 V\u1ec6 SINH M\u00d4I TR\u01af\u1edcNG <\/u><\/strong><\/p>\n

                                                                                                                       <\/p>\n

                                                                                                                        \n
                                                                                                                      1. B\u1ea2O \u0110\u1ea2M AN TO\u00c0N LAO \u0110\u1ed8NG.<\/strong><\/li>\n<\/ol>\n

                                                                                                                        1.1. bi\u1ec7n ph\u00e1p chung<\/em><\/strong><\/p>\n

                                                                                                                        – C\u00f4ng nh\u00e2n v\u00e0 c\u00e1c k\u1ef9 s\u01b0 ph\u1ee5 tr\u00e1ch c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec1u \u0111\u01b0\u1ee3c h\u1ecdc an to\u00e0n lao \u0111\u1ed9ng. Qu\u00e1 tr\u00ecnh h\u1ecdc ph\u1ea3i qua ki\u1ec3m tra ch\u1eb7t ch\u1ebd, c\u1ea5p ch\u1ee9ng nh\u1eadn an to\u00e0n lao \u0111\u1ed9ng. B\u1eaft bu\u1ed9c CBCNV ph\u1ea3i c\u00f3 ch\u1ee9ng nh\u1eadn v\u1ec1 ATL\u0110.<\/p>\n

                                                                                                                        – Ph\u1ed5 bi\u1ebfn k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7, b\u1ed1 tr\u00ed c\u00f4ng t\u00e1c \u0111\u00fang chuy\u00ean m\u00f4n, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng b\u1ed1 tr\u00ed sai l\u1ec7ch t\u1eeb ch\u1ed7 thi\u1ebfu hi\u1ec3u bi\u1ebft v\u00e0 kh\u00f4ng n\u1eafm v\u1eefng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt d\u1eabn t\u1edbi m\u1ea5t an to\u00e0n.<\/p>\n

                                                                                                                        – T\u1ea5t c\u1ea3 c\u00f4ng nh\u00e2n tham gia thi c\u00f4ng c\u00f4ng tr\u00ecnh \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 an to\u00e0n lao \u0111\u1ed9ng. L\u00e0m t\u1ed1t c\u00f4ng t\u00e1c b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng. M\u1ecdi c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n vi\u00ean \u0111\u1ec1u \u0111\u01b0\u1ee3c trang b\u1ecb b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng c\u00e1 nh\u00e2n theo \u0111\u00fang \u0111\u1eb7c th\u00f9 c\u00f4ng vi\u1ec7c.<\/p>\n

                                                                                                                        – C\u00e1c CBCNV ph\u1ea3i th\u1ef1c hi\u1ec7n nghi\u00eam t\u00fac ATL\u0110, ch\u1ecbu tr\u00e1ch nhi\u1ec7m b\u1ea3o \u0111\u1ea3m an to\u00e0n cho b\u1ea3n th\u00e2n, t\u1eadp th\u1ec3, t\u00e0i s\u1ea3n b\u1ea3n th\u00e2n m\u00ecnh ph\u1ee5 tr\u00e1ch. Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng thi c\u00f4ng trong b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o kh\u00f4ng b\u1ea3o \u0111\u1ea3m an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n

                                                                                                                        – B\u1ed1 tr\u00ed c\u00e1n b\u1ed9 ph\u1ee5 tr\u00e1ch ATL\u0110, ki\u1ec3m tra nh\u1eafc nh\u1edf v\u00e0 x\u1eed l\u00fd c\u00e1c tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng ch\u1ea5p h\u00e0nh quy t\u1eafc ATL\u0110.<\/p>\n

                                                                                                                        1.2. Nh\u1eefng v\u1ea5n \u0111\u1ec1 \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd.<\/em><\/strong><\/p>\n

                                                                                                                        – Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u1eadn h\u00e0nh an to\u00e0n. Th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng v\u00e0 ki\u1ec3m tra c\u00e1c thi\u1ebft b\u1ecb. Tr\u00e1nh m\u1ea5t an to\u00e0n do thi\u1ebft b\u1ecb kh\u00f4ng t\u1ed1t g\u00e2y ra.<\/p>\n

                                                                                                                        – Khi l\u00e0m vi\u1ec7c tr\u00ean cao \u0111\u1ec1u b\u1ed1 tr\u00ed s\u00e0n c\u00f4ng t\u00e1c r\u1ed9ng r\u00e3i v\u00e0 v\u1eefng ch\u1eafc, b\u1ed1 tr\u00ed l\u01b0\u1edbi an to\u00e0n, h\u1ec7 th\u1ed1ng lan can b\u1ea3o v\u1ec7, b\u1ed1 tr\u00ed th\u1eaft d\u00e2y an to\u00e0n.<\/p>\n

                                                                                                                        – Th\u1ef1c hi\u1ec7n t\u1ed1t v\u1ec1 an to\u00e0n v\u1ec1 \u0111i\u1ec7n v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5. Ph\u1ed5 bi\u1ebfn r\u1ed9ng r\u00e3i c\u00f4ng t\u00e1c an to\u00e0n v\u1ec1 \u0111i\u1ec7n v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5 theo quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh c\u1ee7a Nh\u00e0 n\u01b0\u1edbc.<\/p>\n

                                                                                                                        – H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng \u0111i\u1ec7n v\u00e0 c\u00f3 bi\u1ec7n ph\u00e1p s\u01a1 c\u1ee9u ng\u01b0\u1eddi b\u1ecb \u0111i\u1ec7n gi\u1eadt t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                                                                                                        – H\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u0111i\u1ec7n sinh ho\u1ea1t v\u00e0 thi c\u00f4ng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed h\u1ee3p l\u00fd, c\u00e1c nh\u00e1nh \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp aptomat t\u1ef1 \u0111\u1ed9ng. C\u00f3 th\u1ee3 \u0111i\u1ec7n ch\u1ecbu tr\u00e1ch nhi\u1ec7m b\u1ed1 tr\u00ed v\u1eadn h\u00e0nh \u0111i\u1ec7n trong c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                                                                                                        – T\u1ea1i c\u00e1c v\u1ecb tr\u00ed kho t\u00e0ng, l\u00e1n tr\u1ea1i\u2026, Nh\u00e0 th\u1ea7u \u0111\u1ec1u b\u1ed1 tr\u00ed c\u00e1c th\u00f9ng c\u00e1t, b\u00ecnh x\u1ecbt v\u00e0 c\u00e1c thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng cho c\u00f4ng t\u00e1c ch\u1eefa ch\u00e1y. B\u1ed1 tr\u00ed c\u00e1c bi\u1ec3n b\u00e1o d\u1ec5 ch\u00e1y \u0111\u1ed3ng th\u1eddi ph\u00e2n c\u00f4ng ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch c\u00f4ng t\u00e1c an to\u00e0n ch\u1ea5t n\u1ed5.<\/p>\n

                                                                                                                        – C\u00e1c h\u1ea1ng m\u1ee5c thi c\u00f4ng c\u00f3 ch\u1ea5t ch\u00e1y, n\u1ed5 ph\u1ea3i b\u1ed1 tr\u00ed c\u00e1ch xa c\u00e1c c\u00f4ng tr\u00ecnh quan tr\u1ecdng v\u00e0 th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1c quy \u0111\u1ecbnh to\u00e0n.<\/p>\n

                                                                                                                        – Kh\u00f4ng thi c\u00f4ng trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng \u0111\u1ea3m b\u1ea3o s\u1ee9c kho\u1ebb, trong tr\u01b0\u1eddng h\u1ee3p thi\u1ebfu \u00e1nh s\u00e1ng.<\/p>\n

                                                                                                                        An to\u00e0n n\u1ed5 ph\u00e1<\/p>\n

                                                                                                                        – Ch\u1ec9 thi c\u00f4ng trong nh\u1eefng ph\u1ea1m vi \u0111\u01b0\u1ee3c cho ph\u00e9p.<\/p>\n

                                                                                                                        – Tu\u00e2n th\u1ee7 c\u00e1c quy t\u1eafc trong v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u n\u1ed5.<\/p>\n

                                                                                                                        – Thi c\u00f4ng \u0111\u00fang tr\u00ecnh t\u1ef1, \u0111\u00fang quy \u0111\u1ecbnh an to\u00e0n v\u1ec1 thu\u1ed1c n\u1ed5, k\u00edp n\u1ed5, ngu\u1ed3n ph\u00e1t n\u1ed5.<\/p>\n

                                                                                                                        – T\u00ednh to\u00e0n c\u1ef1 li an to\u00e0n ph\u00f9 h\u1ee3p v\u1edbi l\u01b0\u1ee3ng n\u1ed5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed5 \u0111\u1ec3 s\u01a1 t\u00e1n ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb kh\u1ecfi ph\u1ea1m vi nguy hi\u1ec3m.<\/p>\n

                                                                                                                        – \u0110\u1eb7t c\u00e1c bi\u1ec3n b\u00e1o gi\u1edd n\u1ed5 m\u00ecn. B\u1ed1 tr\u00ed ng\u01b0\u1eddi tr\u1ef1c kh\u00f4ng cho ng\u01b0\u1eddi v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n qua l\u1ea1i trong th\u1eddi gian n\u1ed5 m\u00ecn. Th\u1ef1c hi\u1ec7n ch\u1ec9 n\u1ed5 m\u00ecn v\u00e0o m\u1ed9t th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh \u00edt ng\u01b0\u1eddi qua l\u1ea1i trong ng\u00e0y.<\/p>\n

                                                                                                                        \u0110\u1ea3m b\u1ea3o an to\u00e0n cho to\u00e0n b\u1ed9 c\u00f4ng tr\u01b0\u1eddng:<\/p>\n

                                                                                                                        – B\u1ed1 tr\u00ed ng\u01b0\u1eddi b\u1ea3o v\u1ec7 th\u01b0\u1eddng xuy\u00ean t\u00e0i s\u1ea3n, m\u00e1y m\u00f3c thi\u1ebft b\u1ecb c\u1ee7a c\u00f4ng tr\u01b0\u1eddng, l\u00e0m h\u00e0ng r\u00e0o ng\u0103n b\u1ea3o v\u1ec7 xung quanh ph\u1ea1m vi c\u00f4ng tr\u01b0\u1eddng thi c\u00f4ng. N\u00e2ng cao \u00fd th\u1ee9c b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n chung c\u0169ng nh\u01b0 c\u00f3 \u00fd th\u1ee9c trong vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c quy t\u1eafc an to\u00e0n khi thi c\u00f4ng c\u00f4ng tr\u00ecnh.<\/p>\n

                                                                                                                          \n
                                                                                                                        1. \u0110\u1ea3m b\u1ea3o v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng.<\/strong><\/li>\n<\/ol>\n

                                                                                                                          \u0110\u1ea3m b\u1ea3o v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng s\u1ed1ng.<\/p>\n

                                                                                                                          – Ph\u00e1t quang b\u1ee5i r\u1eadm, kh\u01a1i th\u00f4ng c\u1ed1ng r\u00e3nh, x\u1eed l\u00fd c\u00e1c ph\u1ebf th\u1ea3i \u0111\u00fang quy \u0111\u1ecbnh khu v\u1ef1c nh\u00e0 \u1edf l\u00e1n tr\u1ea1i. Th\u1ef1c hi\u1ec7n s\u1ea1ch s\u1ebd n\u01a1i sinh ho\u1ea1t, g\u1ecdn g\u00e0ng tr\u00ean c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

                                                                                                                          Th\u1ef1c hi\u1ec7n m\u1ecdi c\u00f4ng t\u00e1c v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

                                                                                                                          – Xe v\u1eadn chuy\u1ec3n ph\u1ea3i c\u00f3 b\u1ea1t che \u0111\u1ec3 ch\u1ed1ng b\u1ee5i.<\/p>\n

                                                                                                                          – Khi thi c\u00f4ng n\u1ec1n \u0111\u01b0\u1eddng \u0111\u1eafp Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed xe t\u01b0\u1edbi n\u01b0\u1edbc ch\u1ed1ng b\u1ee5i khi tr\u1eddi n\u1eafng, B\u1ed1 tr\u00ed tho\u00e1t n\u01b0\u1edbc, kh\u1eafc ph\u1ee5c l\u1ea7y l\u1ed9i khi tr\u1eddi m\u01b0a.<\/p>\n

                                                                                                                          – C\u00e1c c\u00f4ng t\u00e1c nh\u01b0 \u0111un n\u1ea5u nh\u1ef1a \u0111\u01b0\u1eddng s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u b\u1ed1 tr\u00ed xa c\u00e1c khu v\u1ef1c d\u00e2n c\u01b0 gi\u1ea3m thi\u1ec3u kh\u00f3i b\u1ee5i v\u00e0 ti\u1ebfng \u1ed3n.<\/p>\n

                                                                                                                          – Thanh th\u1ea3i l\u00f2ng s\u00f4ng sau khi thi c\u00f4ng c\u1ea7u.<\/p>\n

                                                                                                                          – C\u00e1c c\u00f4ng tr\u00ecnh ph\u1ee5 t\u1ea1m ph\u1ee5c v\u1ee5 thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c thu d\u1ecdn. C\u00e1c ph\u1ebf ph\u1ea9m sau khi thi c\u00f4ng \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u1ea3 l\u1ea1i c\u1ea3nh quan kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n

                                                                                                                           <\/p>\n

                                                                                                                          Ch\u01b0\u01a1ng III: Ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng<\/p>\n

                                                                                                                          B\u1ed1 tr\u00ed nh\u00e2n c\u00f4ng v\u00e0 m\u00e1y m\u00f3c thi\u1ebft b\u1ecb<\/p>\n

                                                                                                                           <\/p>\n

                                                                                                                            \n
                                                                                                                          1. Ti\u1ebfn \u0111\u1ed9 chung<\/li>\n<\/ol>\n

                                                                                                                            Th\u1eddi gian thi c\u00f4ng to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh l\u00e0 24 th\u00e1ng (720 ng\u00e0y), t\u00ednh t\u1eeb ng\u00e0y kh\u1edfi c\u00f4ng<\/p>\n

                                                                                                                              \n
                                                                                                                            1. B\u1ed1 tr\u00ed nh\u00e2n c\u00f4ng v\u00e0 thi\u1ebft b\u1ecb thi c\u00f4ng.<\/li>\n
                                                                                                                            2. Ph\u1ea7n \u0111\u01b0\u1eddng<\/strong><\/li>\n<\/ol>\n

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

                                                                                                                              Th\u1eddi gian chu\u1ea9n b\u1ecb 45 ng\u00e0y<\/p>\n

                                                                                                                              T\u1ea1i m\u1ed7i m\u0169i thi c\u00f4ng Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c:<\/p>\n

                                                                                                                              – M\u00e1y x\u00fac \u0111\u00e0o:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y \u1ee7i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – \u00d4 t\u00f4:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y ph\u00e1t \u0111i\u1ec7n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Nh\u00e2n 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 15 ng\u01b0\u1eddi<\/p>\n

                                                                                                                              1.2. Thi c\u00f4ng c\u1ed1ng, t\u01b0\u1eddng ch\u1eafn.<\/em><\/strong><\/p>\n

                                                                                                                              Th\u1eddi gian d\u1ef1 ki\u1ebfn thi c\u00f4ng 8.5 th\u00e1ng (255 ng\u00e0y)<\/p>\n

                                                                                                                              Nh\u00e2n l\u1ef1c v\u00e0 Thi\u1ebft b\u1ecb nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng cho 1 m\u0169i thi c\u00f4ng:<\/p>\n

                                                                                                                              – M\u00e1y x\u00fac \u0111\u00e0o:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – \u0110\u1ea7m c\u00f3c MIKASA:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              – \u0110\u1ea7m BT c\u00e1c 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 04 c\u00e1i<\/p>\n

                                                                                                                              – Xe \u00f4 t\u00f4 VC:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Xe c\u1ea9u:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y c\u1eaft u\u1ed1n, m\u00e1y h\u00e0n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y b\u01a1m \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y ph\u00e1t \u0111i\u1ec7n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

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

                                                                                                                              Th\u1eddi gian d\u1ef1 ki\u1ebfn thi c\u00f4ng 12 th\u00e1ng<\/p>\n

                                                                                                                              T\u1ea1i m\u1ed7i m\u0169i thi c\u00f4ng Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c:<\/p>\n

                                                                                                                              – M\u00e1y x\u00fac \u0111\u00e0o 0.8 \u2013 1.2m3<\/sup>:\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y san:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y \u1ee7i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 03 c\u00e1i<\/p>\n

                                                                                                                              – Lu t\u0129nh b\u00e1nh s\u1eaft:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Lu rung b\u00e1nh s\u1eaft\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Lu b\u00e1nh l\u1ed1p\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y n\u00e9n kh\u00ed\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              – \u00d4 t\u00f4 v\u1eadn chuy\u1ec3n 7 \u2013 15T\u00a0\u00a0\u00a0\u00a0\u00a0 03 c\u00e1i<\/p>\n

                                                                                                                              – Xe t\u01b0\u1edbi n\u01b0\u1edbc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                              1.4. Thi c\u00f4ng k\u1ebft c\u1ea5u \u00e1o \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

                                                                                                                              Th\u1eddi gian d\u1ef1 ki\u1ebfn thi c\u00f4ng: 8 th\u00e1ng<\/p>\n

                                                                                                                              – Tr\u1ea1m tr\u1ed9n BTN 80T\/h\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 tr\u1ea1m<\/p>\n

                                                                                                                              – Tr\u1ea1m tr\u1ed9n CP\u0110D\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 tr\u1ea1m<\/p>\n

                                                                                                                              – X\u00fac l\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\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              T\u1ea1i m\u1ed7i m\u0169i thi c\u00f4ng Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c:<\/p>\n

                                                                                                                              – \u00d4 t\u00f4 v\u1eadn chuy\u1ec3n :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 04 c\u00e1i<\/p>\n

                                                                                                                              – Lu t\u0129nh 6 \u2013 10T:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                              – Lu rung 10 \u2013 14T:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Lu b\u00e1nh l\u1ed1p 25T:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y san\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y r\u1ea3i\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y n\u00e9n kh\u00ed\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Xe t\u01b0\u1edbi nh\u1ef1a\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y c\u1eaft BTN\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                              1.5. Ho\u00e0n thi\u1ec7n \u0111\u01b0\u1eddng<\/em><\/strong><\/p>\n

                                                                                                                              Th\u1eddi gian d\u1ef1 thi c\u00f4ng 2 th\u00e1ng<\/p>\n

                                                                                                                              Thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng ch\u00ednh:<\/p>\n

                                                                                                                              – \u00d4 t\u00f4 v\u1eadn chuy\u1ec3n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – \u0110\u1ea7m c\u00e1c 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 03 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y s\u01a1n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – M\u00e1y tr\u1ed9n b\u00ea t\u00f4ng:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                              – \u0110\u1ea7m b\u00ea t\u00f4ng c\u00e1c lo\u1ea1i \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 04 c\u00e1i<\/p>\n

                                                                                                                              – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                                \n
                                                                                                                              1. Ph\u1ea7n c\u1ea7u<\/strong><\/li>\n<\/ol>\n

                                                                                                                                2.1. Chu\u1ea9n b\u1ecb<\/em><\/strong><\/p>\n

                                                                                                                                Th\u1eddi gian chu\u1ea9n b\u1ecb 45 ng\u00e0y<\/p>\n

                                                                                                                                T\u1ea1i m\u1ed7i m\u0169i thi c\u00f4ng Nh\u00e0 th\u1ea7u b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c:<\/p>\n

                                                                                                                                – M\u00e1y x\u00fac \u0111\u00e0o:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y \u1ee7i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – \u00d4 t\u00f4:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y ph\u00e1t \u0111i\u1ec7n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – Nh\u00e2n 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 15 ng\u01b0\u1eddi<\/p>\n

                                                                                                                                2.2. Thi c\u00f4ng m\u1ed1 tr\u1ee5 c\u00f4ng tr\u00ecnh<\/em><\/strong><\/p>\n

                                                                                                                                Ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng 2 m\u1ed1 c\u1ea7u Khe V\u00f2 v\u00e0 c\u1ea7u Khe Tr\u00f9 l\u00e0 2.5 th\u00e1ng (75 ng\u00e0y)<\/p>\n

                                                                                                                                Ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng 2 m\u1ed1, hai tr\u1ee5 c\u1ea7u r\u00e0o m\u1ed1c l\u00e0 8.5 th\u00e1ng (255 ng\u00e0y)<\/p>\n

                                                                                                                                Nh\u00e2n l\u1ef1c v\u00e0 Thi\u1ebft b\u1ecb nh\u00e0 th\u1ea7u s\u1eed d\u1ee5ng cho t\u1eebng m\u0169i thi c\u00f4ng:<\/p>\n

                                                                                                                                – M\u00e1y x\u00fac \u0111\u00e0o:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – \u00d4 t\u00f4:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y tr\u1ed9n b\u00ea t\u00f4ng \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – \u0110\u1ea7m b\u00ea t\u00f4ng c\u00e1c lo\u1ea1i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 04 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y c\u1eaft + M\u00e1y h\u00e0n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y b\u01a1m n\u01b0\u1edbc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y ph\u00e1t \u0111i\u1ec7n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y c\u1ea9u\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – B\u00ecnh ga – \u00f4 xi\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                                2.3. \u0110\u00fac d\u1ea7m BTCT D\u01afL<\/em><\/strong><\/p>\n

                                                                                                                                Ti\u1ebfn \u0111\u1ed9 \u0111\u00fac d\u1ea7m c\u1ea7u Khe V\u00f2 v\u00e0 c\u1ea7u Khe Tr\u00f9 l\u00e0 2 th\u00e1ng<\/p>\n

                                                                                                                                Ti\u1ebfn \u0111\u1ed9 \u0111\u00fac d\u1ea7m c\u1ea7u r\u00e0o m\u1ed1c l\u00e0 5 th\u00e1ng<\/p>\n

                                                                                                                                B\u1ed1 tr\u00ed thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c thi c\u00f4ng cho c\u00f4ng t\u00e1c \u0111\u00fac d\u1ea7m:<\/p>\n

                                                                                                                                – V\u00e1n khu\u00f4n d\u1ea7m T24m:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – V\u00e1n khu\u00f4n d\u1ea7m I25.7m:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – M\u00e1y tr\u1ed9n BT:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                                – \u0110\u1ea7m d\u00f9i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 04 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y c\u1eaft + h\u00e0n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y b\u01a1m n\u01b0\u1edbc\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y ph\u00e1t \u0111i\u1ec7n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y c\u1ea9u\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – B\u00ecnh ga – \u00d4 xi\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – K\u00edch k\u00e9o c\u0103ng 250T\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – K\u00edch c\u0103ng k\u00e9o 500T\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – M\u00e1y b\u01a1m v\u1eefa\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                                2.4. L\u1eafp \u0111\u1eb7t d\u1ea7m BTCT D\u01afL, thi c\u00f4ng d\u1ea7m ngang m\u1ed1i n\u1ed1i<\/em><\/strong><\/p>\n

                                                                                                                                Ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng h\u1ea1ng m\u1ee5c n\u00e0y \u0111\u1ed1i v\u1edbi c\u1ea7u Khe Tr\u00f9 v\u00e0 c\u1ea7u Khe V\u00f2 l\u00e0 1 th\u00e1ng c\u1ea7u R\u00e0o M\u1ed1c 2 th\u00e1ng.<\/p>\n

                                                                                                                                B\u1ed1 tr\u00ed thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c thi c\u00f4ng c\u1ee7a Nh\u00e0 th\u1ea7u:<\/p>\n

                                                                                                                                – Gi\u00e1 po\u00f3ct\u00edch :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – Tr\u1ee5 pal\u00ea:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – D\u1ea7m d\u1eabn I550:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – Xe lao d\u1ea7m:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 b\u1ed9<\/p>\n

                                                                                                                                – Pal\u0103ng x\u00edch\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 04 c\u00e1i<\/p>\n

                                                                                                                                – T\u1eddi \u0111i\u1ec7n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 02 c\u00e1i<\/p>\n

                                                                                                                                – K\u00edch n\u00e2ng 50 \u2013 100T\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 04 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y h\u00e0n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y ph\u00e1t \u0111i\u1ec7n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                                2.5. Lan can, m\u1eb7t c\u1ea7u, ho\u00e0n thi\u1ec7n c\u1ea7u<\/em><\/strong><\/p>\n

                                                                                                                                Ti\u1ebfn \u0111\u1ed9 ho\u00e0n thi\u1ec7n c\u1ea7u Khe Tr\u00f9 v\u00e0 c\u1ea7u Khe V\u00f2 l\u00e0 60 ng\u00e0y, c\u1ea7u R\u00e0o M\u1ed1c 3 th\u00e1ng.<\/p>\n

                                                                                                                                M\u1eb7t \u0111\u01b0\u1eddng \u0111\u1ea7u c\u1ea7u, l\u1edbp BTN m\u1eb7t c\u1ea7u \u0111i\u1ec1u chuy\u1ec3n thi\u1ebft b\u1ecb nh\u00e2n l\u1ef1c ph\u1ea7n \u0111\u01b0\u1eddng.<\/p>\n

                                                                                                                                C\u00e1c thi\u1ebft b\u1ecb kh\u00e1c<\/p>\n

                                                                                                                                – \u00d4 t\u00f4 v\u1eadn chuy\u1ec3n:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – M\u00e1y tr\u1ed9n b\u00ea t\u00f4ng:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – \u0110\u1ea7m b\u00ea t\u00f4ng c\u00e1c lo\u1ea1i:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 01 c\u00e1i<\/p>\n

                                                                                                                                – Nh\u00e2n 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 20 ng\u01b0\u1eddi<\/p>\n

                                                                                                                                c\u00e1c m\u0169i thi c\u00f4ng ti\u1ebfn h\u00e0nh thi c\u00f4ng c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh theo \u0111\u00fang ti\u1ebfn \u0111\u1ed9 t\u1eebng h\u1ea1ng m\u1ee5c, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o ti\u1ebfn \u0111\u1ed9 chung cho c\u1ea3 c\u00f4ng tr\u00ecnh.<\/p>\n

                                                                                                                                \u0110\u1ea0I DI\u1ec6N NH\u00c0 TH\u1ea6U<\/strong><\/p>\n

                                                                                                                                “C\u00e2u h\u1ecfi : <\/strong><\/em> Gi\u00e0n ph\u01a1i KS-950 c\u00f3 gi\u00e1 b\u00e1n tr\u00ean website www.Chogianphoi.vn bao nhi\u00eau ?
                                                                                                                                \n\u0110\u00e1p \u00e1n:<\/strong> XXX0000 (7 k\u00fd t\u1ef1 s\u1ed1)<\/strong>\u00a0. Xem c\u00e1ch t\u1ea3i ph\u00eda d\u01b0\u1edbi.<\/em>“<\/p>\n","protected":false},"excerpt":{"rendered":"

                                                                                                                                Hosoxaydung.com xin gi\u1edbi thi\u1ec7u c\u00e1c b\u1ea1n Thuy\u1ebft minh bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c thi c\u00f4ng \u0111\u01b0\u1eddng giao th\u00f4ng c\u1ea5p 3 mi\u1ec1n n\u00fai M\u1eadt kh\u1ea9u : Cu\u1ed1i b\u00e0i vi\u1ebft THUY\u1ebeT MINH BI\u1ec6N PH\u00c1P T\u1ed4 CH\u1ee8C THI C\u00d4NG \u0110\u01af\u1edcNG GIAO TH\u00d4NG C\u1ea4P 3 MI\u1ec0N N\u00daI THUY\u1ebeT MINH BI\u1ec6N PH\u00c1P T\u1ed4 CH\u1ee8C THI C\u00d4NG PH\u1ea6N I: GI\u1edaI THI\u1ec6U CHUNG….<\/p>\n","protected":false},"author":1,"featured_media":931,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-1332","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\/1332","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=1332"}],"version-history":[{"count":4,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/1332\/revisions"}],"predecessor-version":[{"id":1336,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/1332\/revisions\/1336"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/931"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}