{"id":488,"date":"2019-06-23T07:06:07","date_gmt":"2019-06-23T07:06:07","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=488"},"modified":"2022-05-27T01:12:48","modified_gmt":"2022-05-27T01:12:48","slug":"bien-phap-thi-cong-duong-day-tai-dien-tren-khong-dien-ap-220-kv","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=488","title":{"rendered":"Bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n tr\u00ean kh\u00f4ng \u0111i\u1ec7n \u00e1p 220 KV"},"content":{"rendered":"

\u0110\u01af\u1edcNG D\u00c2Y CAO TH\u1ebe: C\u00f3 \u0111i\u1ec7n \u00e1p t\u1eeb (110kV- 220 kV \u0111\u1ebfn -500kV): B\u1ecb ph\u00f3ng \u0111i\u1ec7n khi vi ph\u1ea1m kho\u1ea3ng c\u00e1ch an to\u00e0n ghi \u1edf bi\u1ec3u t\u1ea1i m\u1ee5c 4 c\u1ee7a b\u00e0i n\u00e0y. C\u00e1c \u0111\u01b0\u1eddng d\u00e2y n\u00e0y th\u01b0\u1eddng s\u1eed d\u1ee5ng d\u00e2y tr\u1ea7n, g\u1eafn tr\u00ean c\u1ed9t qua c\u00e1c chu\u1ed7i s\u1ee9 c\u00e1ch \u0111i\u1ec7n l\u1eafp tr\u00ean c\u00e1c lo\u1ea1i c\u1ed9t: C\u1ed9t b\u00ea t\u00f4ng ly t\u00e2m; C\u1ed9t th\u00e1p s\u1eaft…chi\u1ec1u cao tr\u00ean 18m:
\nD\u1ec5 nh\u1eadn bi\u1ebft nh\u1ea5t \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng \u0111i\u1ec7n cao th\u1ebf l\u00e0 quan s\u00e1t chu\u1ed7i s\u1ee9, th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c nh\u1eadn bi\u1ebft nh\u01b0 sau:
\nV\u1edbi \u0111i\u1ec7n \u00e1p 500 kV kho\u1ea3ng 24 b\u00e1t \/ chu\u1ed7i;
\nV\u1edbi \u0111i\u1ec7n \u00e1p 220 kV t\u1eeb (12-14) b\u00e1t\/chu\u1ed7i;
\nV\u1edbi \u0111i\u1ec7n \u00e1p 110kV t\u1eeb (6-9) b\u00e1t\/ chu\u1ed7i;
\nV\u1edbi \u0111i\u1ec7n \u00e1p 35kV t\u1eeb (3 – 4) b\u00e1t\/chu\u1ed7i, c\u00f3 th\u1ec3 d\u00f9ng s\u1ee9 \u0111\u1ee9ng
\nC\u00e1c c\u1ea5p \u0111i\u1ec7n \u00e1p nh\u1ecf h\u01a1n <35kV c\u00f2n l\u1ea1i h\u1ea7u nh\u01b0 s\u1eed d\u1ee5ng s\u1ee9 \u0111\u1ee9ng.
\n\"\"<\/a>
\nM\u1eadt kh\u1ea9u :<\/strong> Cu\u1ed1i b\u00e0i vi\u1ebft<\/strong><\/span><\/span><\/p>\n

\u0110\u00ad\u1edcNG D\u00c2Y T\u1ea2I \u0110I\u1ec6N TR\u00caN KH\u00d4NG ( \u0110DK ) <\/strong><\/p>\n

\u0110I\u1ec6N \u00c1P T\u1edaI 220 KV.<\/strong><\/p>\n

>>>>>>Xem th\u00eam : M\u1eabu h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u d\u00e2n d\u1ee5ng, c\u00f4ng nghi\u1ec7p<\/strong><\/span><\/a><\/p>\n

>>>>>>Xem th\u00eam : Nh\u1eefng l\u01b0u \u00fd khi l\u00e0m h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u<\/strong><\/span><\/a><\/p>\n

>>>>>>Xem th\u00eam : B\u00e1o gi\u00e1 l\u1eadp h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u<\/strong><\/span><\/a><\/p><\/blockquote>\n

9.1- Y\u00eau c\u1ea7u chung.<\/strong><\/p>\n

 <\/p>\n

Khi x\u00e2y l\u1eafp \u0110DK \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n \u00e1p t\u1edbi 220 KV nh\u1ea5t thi\u1ebft tu\u00e2n theo quy tr\u00ecnh n\u00e0y. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n kh\u00ed ho\u00e1 giao th\u00f4ng v\u00e0 c\u00e1c d\u1ea1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n chuy\u00ean d\u00f9ng kh\u00e1c c\u00f3 qui tr\u00ecnh v\u00e0\u00a0 ch\u1ec9 d\u1eabn ri\u00eang quy ph\u1ea1m ri\u00eang.<\/p>\n

Nh\u1eefng c\u00f4ng vi\u1ec7c x\u00e2y l\u1eafp \u0110DK ph\u1ea3i th\u1ef1c hi\u1ec7n theo \u0111\u00fang thi\u1ebft k\u1ebf, theo ti\u00eau chu\u1ea9n x\u00e2y d\u1ef1ng Nh\u00e0 n\u00ad\u1edbc, quy ph\u1ea1m trang thi\u1ebft b\u1ecb \u0111i\u1ec7n ( QT\u0110 ) v\u00e0 quy ph\u1ea1m k\u1ef9 thu\u1eadt an to\u00e0n hi\u1ec7n h\u00e0nh.<\/p>\n

Nh\u1eefng c\u00f4ng vi\u1ec7c ph\u00e1t sinh ngo\u00e0i thi\u1ebft k\u1ebf, trong t\u1eebng tr\u00ad\u1eddng h\u1ee3p c\u1ee5 th\u1ec3 ph\u1ea3i \u0111\u00ad\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a c\u01a1 quan thi\u1ebft k\u1ebf, c\u01a1 quan giao th\u1ea7u ( Ban QLCT ) v\u00e0 c\u01a1 quan qu\u1ea3n l\u00fd c\u1ea5p tr\u00ean.<\/p>\n

\u0110\u1ec3 th\u1ef1c hi\u1ec7n c\u00f3 hi\u1ec7u qu\u1ea3 nh\u1eefng c\u00f4ng vi\u1ec7c ch\u1ee7 y\u1ebfu c\u1ee7a c\u00f4ng tr\u00ecnh \u0110 \u0111i\u1ec1u ki\u1ec7n, c\u01a1 quan x\u00e2y l\u1eafp ph\u1ea3i \u0111\u1ea3m b\u1ea3o th\u1ef1c hi\u1ec7n c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n

– L\u1eadp thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng ( TCTC ).<\/p>\n

–\u00a0 Chu\u1ea9n b\u1ecb chu \u0111\u00e1o v\u1eadt t\u00ad, k\u1ef9 thu\u1eadt v\u00e0 nh\u00e2n l\u1ef1c.<\/p>\n

– N\u00e2ng cao vi\u1ec7c s\u1eed d\u1ee5ng\u00a0 c\u01a1 gi\u1edbi khi thi c\u00f4ng v\u00e0 \u1ee9ng d\u1ee5ng ti\u1ebfn b\u1ed9 k\u1ef9 thu\u1eadt trong thi c\u00f4ng.<\/p>\n

– Nghi\u00ean c\u1ee9u t\u1ed5 ch\u1ee9c thi c\u00f4ng h\u1ee3p l\u00fd.<\/p>\n

Thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng ( TCTC ) \u0110DK \u0111i\u1ec1u ki\u1ec7n t\u1eeb 35 KV tr\u1edf l\u00ean ph\u1ea3i bao g\u1ed3m c\u00e1c n\u1ed9i dung sau:<\/p>\n

– S\u01a1 \u0111\u1ed3 t\u1ed5 ch\u1ee9c thi c\u00f4ng.<\/p>\n

– Ph\u00e2n \u0111o\u1ea1n, tuy\u1ebfn thi c\u00f4ng.<\/p>\n

– \u0110\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt c\u00f4ng tr\u00ecnh.<\/p>\n

– B\u1ea3ng t\u1ed5ng h\u1ee3p kh\u1ed1i l\u00ad\u1ee3ng thi c\u00f4ng ch\u1ee7 y\u1ebfu.<\/p>\n

– Bi\u1ec3u \u0111\u1ed3 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng.<\/p>\n[sociallocker] [\/sociallocker]\n

– C\u00e1c bi\u1ec7n ph\u00e1p thi c\u00f4ng ch\u1ee7 y\u1ebfu ( k\u00e8m theo c\u00e1c s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 thi c\u00f4ng nh\u00ad \u0111\u00e0o \u0111\u00fac m\u00f3ng, l\u1eafp r\u00e1p d\u1ef1ng c\u1ed9t, r\u1ea3i v\u00e0 c\u0103ng d\u00e2y v.v… ).<\/p>\n

– B\u1ed1 tr\u00ed kho b\u00e3i \u0111\u1ec3 ti\u1ebfp nh\u1eadn v\u00e0 v\u1eadn chuy\u1ec3n v\u1eadt t\u00ad v\u00e0 thi\u1ebft b\u1ecb ra tuy\u1ebfn.<\/p>\n

– Ph\u00e2n b\u1ed5 nh\u00e2n l\u1ef1c theo nhu c\u1ea7u ti\u1ebfn \u0111\u1ed9 cho t\u1eebng \u0111o\u1ea1n tuy\u1ebfn.<\/p>\n

– Nhu c\u1ea7u cung c\u1ea5p xe m\u00e1y, c\u1ea5u ki\u1ec7n, v\u1eadt li\u1ec7u v\u00e0 ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y cho t\u1eebng \u0111o\u1ea1n tuy\u1ebfn theo ti\u1ebfn \u0111\u1ed9.<\/p>\n

– T\u1ed5 ch\u1ee9c c\u01a1 s\u1edf gia c\u00f4ng c\u01a1 kh\u00ed v\u00e0 s\u1eeda ch\u1eefa xe m\u00e1y tr\u00ean tuy\u1ebfn.<\/p>\n

– X\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh ph\u1ee5 tr\u1ee3 t\u1ea1m th\u1eddi ( nh\u00e0 c\u1eeda, \u0111i\u1ec7n n\u00ad\u1edbc, th\u00f4ng tin li\u00ean l\u1ea1c, kho b\u00e3i v.v… ).<\/p>\n

– Bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u0111o\u1ea1n \u0110 \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng b\u00ean c\u1ea1nh \u0111\u00ad\u1eddng d\u00e2y \u0111ang mang \u0111i\u1ec7n, d\u1ef1ng c\u1ed9t v\u00e0 r\u1ea3i c\u0103ng d\u00e2y ph\u1ea3i y\u00eau c\u1ea7u c\u1eaft \u0111i\u1ec7n, thi c\u00f4ng nh\u1eefng ch\u1ed7 v\u00ad\u1ee3t \u0111\u00ad\u1eddng d\u00e2y \u0111i\u1ec7n l\u1ef1c 35 – 110 KV v\u00e0 \u0111\u00ad\u1eddng s\u1eaft \u0111i\u1ec7n kh\u00ed ho\u00e1, d\u1ecbch chuy\u1ec3n c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng \u0111\u00e3 c\u00f3 ra kh\u1ecfi h\u00e0nh lang an to\u00e0n c\u1ee7a tuy\u1ebfn \u0110 DK.<\/p>\n

– Nh\u1eefng v\u1ea5n \u0111\u1ec1 an to\u00e0n cho c\u00f4ng vi\u1ec7c x\u00e2y l\u1eafp ch\u1ee7 y\u1ebfu:<\/p>\n

\u0110\u1ed1i v\u1edbi \u0110DK \u0111i\u1ec7n \u00e1p 35 KV n\u1ebfu kh\u00f4ng c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p th\u00ec cho ph\u00e9p th\u1ef1c hi\u1ec7n \u0111\u01a1n gi\u1ea3n ng\u1eafn g\u1ecdn, nh\u00adng ph\u1ea3i c\u00f3 \u0111\u1ea7y \u0111\u1ee7 t\u00e0i li\u1ec7u c\u1ea7n thi\u1ebft \u0111\u1ec3 ti\u1ebfn h\u00e0nh ch\u1ec9 \u0111\u1ea1o t\u1ed5 ch\u1ee9c thi c\u00f4ng c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n

C\u01a1 quan giao th\u1ea7u ( Ban QLCT ) ph\u1ea3i chuy\u1ec3n cho b\u00ean x\u00e2y l\u1eafp nh\u1eefng t\u00e0i li\u1ec7u sau \u0111\u00e2y:<\/p>\n

– \u0110\u1ec1 \u00e1n thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u00ad\u1ee3c duy\u1ec7t ( bao g\u1ed3m c\u1ea3 thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh ).<\/p>\n

– Gi\u1ea5y ph\u00e9p c\u1ea5p \u0111\u1ea5t x\u00e2y d\u1ef1ng.<\/p>\n

– Nh\u1eefng t\u00e0i li\u1ec7u ph\u00e1p l\u00fd \u0111\u00e3 \u0111\u00ad\u1ee3c tho\u1ea3 thu\u1eadn th\u1ed1ng nh\u1ea5t c\u1ee7a c\u00e1c c\u01a1 quan c\u00f3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c thi c\u00f4ng c\u00f4ng tr\u00ecnh nh\u00ad:<\/p>\n

+ S\u1ef1 tr\u00adng d\u1ee5ng ph\u1ea7n \u0111\u1ea5t \u0111\u00ad\u1ee3c ph\u00e9p ti\u1ebfn h\u00e0nh thi c\u00f4ng tr\u00ean tuy\u1ebfn.<\/p>\n

+ \u0110\u00ad\u1ee3c ph\u00e9p l\u00e0m vi\u1ec7c \u1edf nh\u1eefng n\u01a1i c\u00f3 \u0110 \u0111i\u1ec1u ki\u1ec7n, \u0111\u00ad\u1eddng d\u00e2y th\u00f4ng tin, nh\u1eefng \u0111o\u1ea1n \u0111\u00ad\u1eddng s\u1eaft, \u0111\u00ad\u1eddng \u00f4 t\u00f4 c\u1ea5p I \u0111ang khai th\u00e1c v\u00e0 nh\u1eefng n\u01a1i c\u00f3 c\u00f4ng tr\u00ecnh ng\u1ea7m kh\u00e1c ( \u0111\u00ad\u1eddng c\u00e1p \u0111i\u1ec7n l\u1ef1c, \u0111\u00ad\u1eddng c\u00e1p th\u00f4ng tin, \u0111\u00ad\u1eddng \u1ed1ng h\u01a1i, n\u00ad\u1edbc, d\u1ea7u v.v… )<\/p>\n

+ \u0110\u00ad\u1ee3c ph\u00e9p ch\u1eb7t c\u00e2y ph\u00e1t tuy\u1ebfn v\u00e0 d\u1ecbch chuy\u1ec3n c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng tr\u00ean ph\u1ea7n \u0111\u1ea5t \u0111\u00ad\u1ee3c ti\u1ebfn h\u00e0nh thi c\u00f4ng.<\/p>\n

C\u01a1 quan giao th\u1ea7u ( Ban QLCT ) ph\u1ea3i giao tim m\u1ed1c tuy\u1ebfn \u0110 DK cho b\u00ean x\u00e2y l\u1eafp c\u00f9ng v\u1edbi c\u00e1c t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u1ec1 n\u1ec1n m\u00f3ng c\u1ee7a tuy\u1ebfn kh\u00f4ng \u00edt h\u01a1n 1 th\u00e1ng tr\u00ad\u1edbc khi thi c\u00f4ng. Nh\u1eefng c\u00f4ng vi\u1ec7c tr\u1eafc \u0111\u1ea1c \u0111\u1ec3 th\u00f4ng tuy\u1ebfn v\u00e0 gi\u00e1c m\u00f3ng do b\u00ean x\u00e2y l\u1eafp l\u00e0m.<\/p>\n

Ghi k\u00fd hi\u1ec7u c\u1ecdc tim m\u1ed1c \u0110 DK ph\u1ea3i d\u00f9ng s\u01a1n. C\u1ecdc ph\u1ea3i b\u1ed1 tr\u00ed sao cho kh\u00f4ng g\u00e2y tr\u1edf ng\u1ea1i giao th\u00f4ng \u1edf nh\u1eefng n\u01a1i c\u00f3 kh\u1ea3 n\u0103ng h\u00ad h\u1ecfng c\u1ecdc ph\u1ea3i \u0111\u00ad\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n

Khi nh\u1eadn c\u1ed9t \u0111i\u1ec7n b\u1eb1ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i ki\u1ec3m tra nh\u00ad sau:<\/p>\n

– L\u00fd l\u1ecbch xu\u1ea5t x\u00ad\u1edfng bao g\u1ed3m: ng\u00e0y ch\u1ebf t\u1ea1o, ng\u00e0y xu\u1ea5t x\u00ad\u1edfng, m\u00e1c b\u00ea t\u00f4ng v\u00e0 d\u1ea1ng c\u1ed1t th\u00e9p.<\/p>\n

– C\u00f3 k\u00fd hi\u1ec7u c\u1ed9t vi\u1ebft b\u1eb1ng s\u01a1n, \u1edf ph\u1ea7n c\u1ed9t kh\u00f4ng s\u01a1n d\u00ad\u1edbi \u0111\u1ea5t.<\/p>\n

– Kh\u00f4ng c\u00f3 v\u1ebft r\u1ed7 v\u00e0 v\u1ebft tr\u00ean b\u1ec1 m\u1eb7t c\u1ed9t v\u1edbi k\u00edch th\u00ad\u1edbc kh\u00f4ng qu\u00e1 10 mm theo m\u1ecdi ph\u00eda. C\u00e1c v\u1ebft r\u1ed7 v\u00e0 v\u1ee1 nh\u1ecf h\u01a1n 10 mm kh\u00f4ng \u0111\u00ad\u1ee3c nhi\u1ec1u h\u01a1n 2 tr\u00ean 1 m\u00e9t d\u00e0i, c\u00e1c v\u1ebft r\u1ed7 v\u00e0 v\u1ee1 n\u00e0y ph\u1ea3i \u0111\u00ad\u1ee3c tr\u00e1t ph\u1eb3ng b\u1eb1ng v\u1eefa xi m\u0103ng – c\u00e1t c\u1ea5p ph\u1ed1i 1: 2.<\/p>\n

C\u1ed9t b\u00ea t\u00f4ng ly t\u00e2m kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 nhi\u1ec1u h\u01a1n m\u1ed9t v\u1ebft n\u1ee9t d\u1ecdc c\u1ed9t v\u1edbi b\u1ec1 r\u1ed9ng t\u1edbi 0,2mm trong c\u00f9ng m\u1ed9t m\u1eb7t c\u1eaft, kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 v\u1ebft n\u1ee9t ngang c\u1ed9t – v\u1edbi b\u1ec1 r\u1ed9ng qua 0,2 n\u00e9u c\u1ed9t d\u00f9ng c\u1ed1t th\u00e9p thanh v\u00e0 kh\u00f4ng \u0111\u00ad\u1ee3c 0,1 mm n\u1ebfu c\u1ed9t \u0111\u00ad\u1ee3c d\u00f9ng c\u1ed1t th\u00e9p nhi\u1ec1u s\u1ee3i.<\/p>\n

S\u1ed1 l\u00ad\u1ee3ngv\u1ebft n\u1ee9t d\u1ecdc c\u00f3 b\u1ec1 r\u1ed9ng t\u1edbi 0,1 mm l\u00e0 ki h\u1ea1n ch\u1ebf, c\u00e1c v\u1ebft n\u1ee9t c\u00f3 b\u1ec1 r\u1ed9ng t\u1eeb 0,1 \u0111\u1ebfn 0,2 mm ph\u1ea3i \u0111\u00ad\u1ee3c ph\u1ee7 k\u00edn b\u1ea3o v\u1ec7.<\/p>\n

VIII-9. Khi nh\u1eadn tr\u1ee5 m\u00f3ng v\u00e0 c\u1ecdc m\u00f3ng b\u1eb1ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i ki\u1ec3m tra nh\u00ad sau:<\/p>\n

– L\u00fd l\u1ecbch xu\u1ea5t x\u00ad\u1edfng bao g\u1ed3m: Ng\u00e0y ch\u1ebf t\u1ea1o, ng\u00e0y xu\u1ea5t x\u00ad\u1edfng, m\u00e1c b\u00ea t\u00f4ng v\u00e0 d\u1ea1ng c\u1ed1t th\u00e9p.<\/p>\n

– Ghi k\u00fd hi\u1ec7u tr\u1ee5 m\u00f3ng v\u00e0 c\u1ed9t b\u1eb1ng s\u01a1n.<\/p>\n

– Kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 v\u1ebft n\u1ee9t v\u00e0 s\u1ee9t v\u1ee1 \u1edf m\u1eb7t b\u00ea t\u00f4ng c\u00f3 bu l\u00f4ng n\u00e9o.<\/p>\n

T\u1ea5t c\u1ea3 nh\u1eefng chi ti\u1ebft kim lo\u1ea1i c\u1ee7a c\u1ed9t g\u1ed7 v\u00e0 c\u1ed9t b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i s\u01a1n ho\u1eb7c m\u1ea1 ch\u1ed1ng g\u1ec9 theo quy \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

K\u1ebft c\u1ea5u c\u1ed9t th\u00e9p khi ch\u1ebf t\u1ea1o, l\u1eafp r\u00e1p ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf, ghi nh\u1eadn k\u1ebft c\u1ea5u \u0111\u00f3 \u0111\u1ec3 \u0111\u00ada v\u00e0o x\u00e2y l\u1eafp ph\u1ea3i ki\u1ec3m tra nh\u00ad sau:<\/p>\n

L\u00fd l\u1ecbch c\u1ed9t c\u1ee7a nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o \u0111\u00ad\u1ee3c ch\u1ec9 r\u00f5 v\u1ec1 ki\u1ec3u c\u1ed9t, m\u00e3 hi\u1ec7u v\u00e0 ch\u1ee9ng ch\u1ec9 th\u00e9p, m\u00e3 hi\u1ec7u que h\u00e0n, s\u1ed1 th\u1ee9 t\u1ef1 c\u1ee7a t\u1eebng b\u1ed9 ph\u1eadn chi ti\u1ebft c\u1ed9t, ng\u00e0y th\u00e1ng s\u1ea3n xu\u1ea5t.<\/p>\n

Vi\u1ec7c ghi s\u1ed1 hi\u1ec7u c\u1ed9t ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi s\u01a1 \u0111\u1ed3 l\u1eafp r\u00e1p c\u1ee7a nh\u00e0 m\u00e1y v\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf. S\u01a1n ho\u1eb7c m\u1ea1 ch\u1ed1ng g\u1ec9 cho c\u1ed9t ph\u1ea3i th\u1ef1c hi\u1ec7n t\u1ea1i nh\u00e0 m\u00e1y, v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

Khi nh\u1eadn c\u00e1ch \u0111i\u1ec7n v\u00e0 ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y ph\u1ea3i ki\u1ec3 m tra nh\u00ad sau:<\/p>\n

– Ph\u1ea3i c\u00f3 t\u00e0i li\u1ec7u ki\u1ec3m tra ch\u1ea5t l\u00ad\u1ee3ng t\u1eebng l\u00f4 c\u00e1ch \u0111i\u1ec7n c\u1ee7a nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o. Tr\u00ean b\u1ec1 m\u1eb7t c\u00e1ch \u0111i\u1ec7n kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 v\u1ebft n\u1ee9t, s\u1ee9t m\u1ebb, h\u1ecfng men v\u00e0 c\u00e1c khuy\u1ebft t\u1eadt kh\u00e1c. C\u00e1c c\u00e1ch \u0111i\u1ec7n c\u00f3 nh\u1eefng khuy\u1ebft t\u1eadt k\u1ec3 tr\u00ean ph\u1ea3i lo\u1ea1ib\u1ecf, ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 c\u00e1c v\u1ebft n\u1ee9t, r\u1ed7. \u0110ai \u1ed1c ph\u1ea3i v\u1eb7n ra l\u1eafp v\u00e0o d\u1ec5 d\u00e0ng su\u1ed1t chi\u1ec1u d\u00e0i ren l\u1edbp b\u1ea3o v\u1ec7 kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 khuy\u1ebft t\u1eadt. T\u1ea5t c\u1ea3 c\u00e1c ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y \u0111\u1ec1u ph\u1ea3i c\u00f3 ch\u1ee9ng ch\u1ec9 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c k\u1ebft c\u1ea5u c\u1ee7a c\u1ed9t th\u00e9p, c\u1ed9t b\u00ea t\u00f4ng c\u1ed1t th\u00e9p, tr\u1ee5 m\u00f3ng v\u00e0 c\u1ed9t m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u1ec3 \u1edf kho b\u00e3i ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o qu\u1ea3n ch\u1ea5t l\u00ad\u1ee3ng t\u1ed1t.<\/p>\n

Trong tr\u00ad\u1eddng h\u1ee3p ph\u1ea3i thi c\u00f4ng b\u00ean c\u1ea1nh \u0111\u00ad\u1eddng d\u00e2y \u0111ang mang \u0111i\u1ec7n, \u1edf c\u00e1c kho\u1ea3ng v\u00ad\u1ee3t s\u00f4ng, v\u00ad\u1ee3t \u0111\u00ad\u1eddng d\u00e2y \u0111i\u1ec7n l\u1ef1c v\u00e0 th\u00f4ng tin, v\u00ad\u1ee3t \u0111\u00ad\u1eddng s\u1eaft, \u0111\u00ad\u1eddng b\u1ed9 v.v… th\u00ec c\u00e1c b\u00ean giao th\u1ea7u ( QLCT ) nh\u1eadn th\u1ea7u ( x\u00e2y l\u1eafp ) v\u00e0 c\u00e1c c\u01a1 quan c\u00f3 li\u00ean quan ph\u1ea3i l\u1eadp c\u00e1c v\u0103n b\u1ea3n tho\u1ea3 thu\u1eadn bao g\u1ed3m n\u1ed9i dung sau:<\/p>\n

– Ng\u00e0y v\u00e0 gi\u1edd thi c\u00f4ng, ng\u00e0y v\u00e0 gi\u1edd c\u1ea5m c\u00e1c t\u00e0u thuy\u1ec1 xe c\u1ed9 ho\u1ea1t \u0111\u1ed9ng v.v… ng\u00e0y v\u00e0 gi\u1edd t\u1eaft \u0111i\u1ec7n, bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 nh\u1eefng c\u00f4ng tr\u00ecnh n\u1eb1m k\u1ec1 \u0110 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 tr\u00e1nh h\u00ad h\u1ecfng, bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt an to\u00e0n cho t\u1eebng ph\u1ea7n vi\u1ec7c thi c\u00f4ng ch\u1ee7 y\u1ebfu, h\u1ecd t\u00ean ng\u00ad\u1eddi ch\u1ec9 huy tthi c\u00f4ng c\u1ee7a b\u00ean c\u01a1 quan x\u00e2y l\u1eafp. H\u1ecd t\u00ean ng\u00ad\u1eddi \u0111\u1ea1i di\u1ec7n chp c\u01a1 quan gi\u00e1m s\u00e1t, bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3 t\u1eeb kh\u1edfi c\u00f4ng \u0111\u1ebfn khi ho\u00e0n th\u00e0nh.<\/p>\n

Khi x\u00e2y l\u1eafp \u0110DK \u1edf v\u00f9ng n\u00fai c\u00f3 \u0111\u1ecba h\u00ecnh ph\u1ee9c t\u1ea1p c\u0169ng nh\u00ad khi x\u00e2y l\u1eafp c\u00e1c kho\u1ea3ng v\u00ad\u1ee3t \u0111\u1eb7c bi\u1ec7t th\u00ec l\u00fac b\u1eaft \u0111\u1ea7u c\u00e1c c\u00f4ng vi\u1ec7c c\u01a1 b\u1ea3n ph\u1ea3i l\u00e0m \u0111\u00ad\u1eddng t\u1ea1m \u0111\u1ec3 \u0111\u1ea3mb\u1ea3o cung c\u1ea5p v\u1eadt t\u00ad, thi\u1ebft b\u1ecb v\u00e0 c\u01a1 gi\u1edbi thi c\u00f4ng cho t\u1eebng v\u1ecb tr\u00ed.<\/p>\n

C\u00f4ng t\u00e1c \u0111\u00e0o \u0111\u00fac m\u00f3ng, l\u1eafp d\u1ef1ng c\u1ed9t ph\u1ea3i ti\u1ebfn h\u00e0nh theo s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u00ad\u1ee3c l\u1eadp trong thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng. \u0110\u1ed1i v\u1edbi t\u1eebng kho\u1ea3ng n\u00e9o ph\u1ea3i c\u00f3 s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 r\u1ea3i v\u00e0 c\u0103ng d\u00e2y cho ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ecba h\u00ecnh c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng khu v\u1ef1c.<\/p>\n

9.2- C\u00f4ng t\u00e1c v\u1eadn chuy\u1ec3n.<\/strong><\/p>\n

Tr\u00ad\u1edbc khi v\u1eadn chuy\u1ec3n c\u1ed9t \u0111i\u1ec7n, c\u00e1c lo\u1ea1i tr\u1ee5 m\u00f3ng v\u00e0 c\u1ecdc m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ra tuy\u1ebfn thi c\u01a1 quan x\u00e2y l\u1eafp ph\u1ea3i kh\u1ea3o s\u00e1t t\u00ecnh tr\u1ea1ng c\u00e1c tuy\u1ebfn \u0111\u00ad\u1eddng cho ph\u00f9 h\u1ee3p v\u1edbi ph\u00ad\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n. N\u1ebfu tr\u00ean tuy\u1ebfn \u0111\u00ad\u1eddng \u0111\u00f3 c\u1ea7n ph\u1ea3i c\u1ea3i t\u1ea1o s\u1eeda ch\u1eefa c\u1ea7u, \u0111\u00ad\u1eddng th\u00ec c\u01a1 quan thi c\u00f4ng ph\u1ea3i tho\u1ea3 thu\u1eadn v\u1edbi c\u01a1 quan thi\u1ebft k\u1ebf \u0111\u1ec3 b\u1ed5 sung d\u1ef1 to\u00e1n.<\/p>\n

Khi v\u1eadn chuy\u1ec3n nh\u1eefng c\u1ed9t c\u00f3 chi\u1ec1u d\u00e0i l\u1edbn ph\u1ea3i d\u00f9ng xe k\u00e9o c\u1ed9t chuy\u00ean d\u00f9ng v\u00e0 ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ch\u1eb1ng bu\u1ed9c ch\u1eafc ch\u1eafn. Khi b\u1ed1c r\u1ee1 c\u1ed9t l\u00ean xu\u1ed1ng ph\u00ad\u01a1ng ti\u1ec7n v\u1eadn t\u1ea3i ph\u1ea3i d\u00f9ng c\u1ea9u ho\u1eb7c thi\u1ebft b\u1ecb t\u00ad\u01a1ng \u0111\u00ad\u01a1ng. C\u1ea5m b\u1ea9y c\u1ed9t g\u00e2y n\u1ee9t v\u1ee1 c\u1ed9t. Khi v\u1eadn chuy\u1ec3n tr\u1ee5 m\u00f3ng v\u00e0 c\u1ecdc m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 bu l\u00f4ng kh\u00f4ng b\u1ecb h\u00ad h\u1ecfng. C\u1ea5m d\u00f9ng bi\u1ec7n ph\u00e1p b\u1ea9y l\u1eadt c\u1ea5u ki\u1ec7n \u0111\u1ec3 di chuy\u1ec3n tr\u00ean m\u1eb7t b\u1eb1ng.<\/p>\n

Ru l\u00f4 d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t khi v\u1eadn chuy\u1ec3n ph\u1ea3i lu\u00f4n lu\u00f4n \u1edf t\u00ad th\u1ebf th\u1eb3ng \u0111\u1ee9ng ( t\u00ad th\u1ebf l\u0103n ).<\/p>\n

C\u00e1ch \u0111i\u1ec7n khi v\u1eadn chuy\u1ec3n ph\u1ea3i \u0111\u00ad\u1ee3c bao g\u00f3i trong th\u00f9ng g\u1ed7, tr\u00e1nh v\u1eadn chuy\u1ec3n chung c\u00e1ch \u0111i\u1ec7n v\u1edbi c\u00e1c v\u1eadt r\u1eafn, c\u00f3 kh\u1ea3 n\u0103ng va \u0111\u1eadp g\u00e2y h\u00ad h\u1ecfng.<\/p>\n

9.3 – Ph\u00e1t tuy\u1ebfn.<\/strong><\/p>\n

Khi b\u1eaft \u0111\u1ea7u t\u1ed5 ch\u1ee9c c\u00f4ng vi\u1ec7c ph\u00e1t tuy\u1ebfn ph\u1ea3i tu\u00e2n theo nh\u1eefng qui \u0111\u1ecbnh \u0111\u00e3 n\u00eau \u1edf ph\u1ea7n tr\u00ean, ngo\u00e0i ra ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt thi c\u00f4ng v\u00e0 bi\u1ec7n ph\u00e1p an to\u00e0n \u0111\u1ec1 ph\u00f2ng tr\u00e1nh tai n\u1ea1n.<\/p>\n

G\u1ed1c c\u00e2y sau c\u00ada c\u1eaft kh\u00f4ng \u0111\u00ad\u1ee3c cao tr\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng qu\u00e1 10 cm , \u0111\u1ed1i v\u1edbi c\u00e2y c\u00f3 \u0111\u00ad\u1eddng k\u00ednh t\u1edbi 30 cm v\u00e0 kh\u00f4ng qu\u00e1 1\/3 \u0111\u00ad\u1eddng k\u00ednh c\u1ee7a c\u00e2y khi \u0111\u00ad\u1eddng k\u00ednh l\u1edbn h\u01a1n 30 cm v\u00e0 t\u1ea1i v\u1ecb tr\u00ed c\u1ed9t th\u00ec ph\u1ea3i c\u00ada c\u1eaft d\u00ad\u1edbi m\u1eb7t \u0111\u1ea5t.<\/p>\n

Khi Tuy\u1ebfn \u0110DK\u00a0 qua r\u1eebng v\u00e0 c\u00e2y xanh ( c\u00e2y \u0103n qu\u1ea3 ) kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ph\u00e1t tuy\u1ebfn. Quy \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch t\u1eeb d\u00e2y d\u1eabn c\u00f3 \u0111\u1ed9 v\u00f5ng th\u1ea5p nh\u1ea5t khi nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t v\u00e0 b\u1ecb gi\u00f3 th\u1ed5i ngi\u00eang l\u1ec7ch t\u1edbi c\u00e2y v\u00e0 kh\u00f4ng \u0111\u00ad\u1ee3c nh\u1ecf h\u01a1n 1 m. Ngo\u00e0i ra c\u00f2n ph\u1ea3i xem th\u00eam quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n ( QT\u0110).<\/p>\n

Vi\u1ec7c d\u1ecdn s\u1ea1ch tuy\u1ebfn \u0110DK \u0111\u1ec3 thi c\u00f4ng l\u00e0 do c\u01a1 quan \u0111\u1ea3m nh\u1eadn ph\u00e1t tuy\u1ebfn th\u1ef1c hi\u1ec7n. Kh\u00f4ng \u0111\u00ad\u1ee3c ch\u1eb7t c\u00e1c b\u1ee5i c\u00e2y \u1edf v\u00f9ng \u0111\u1ea5t d\u1ec5 b\u1ecb s\u00f3i l\u1edf trong th\u1eddi gian m\u00ada l\u0169, g\u1eb7p tr\u00ad\u1eddng h\u1ee3p nh\u00ad v\u1eady ph\u1ea3i th\u1ef1c hi\u1ec7n theo quy \u0111\u1ecbnh c\u1ee7a quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n ( QT\u0110) v\u1ec1 kho\u1ea3ng c\u00e1ch d\u00e2y d\u1eabn t\u1edbi c\u00e2y xanh.<\/p>\n

G\u1ed7 c\u00e2y \u0111\u00ad\u1ee3c x\u1ebfp \u0111\u1ed1ng tr\u00ean tuy\u1ebfn trong th\u1eddi gian thi c\u00f4ng ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ph\u00f2ng ch\u1ed1ng ch\u00e1y.<\/p>\n

9.4 – C\u00f4ng t\u00e1c l\u00e0m m\u00f3ng.<\/strong><\/p>\n

\u0110\u00e0o \u0111\u1ea5t h\u1ed1 m\u00f3ng \u0110 DK ph\u1ea3i th\u1ef1c hi\u1ec7n theo quy \u0111\u1ecbnh v\u1ec1 \u0111\u00e0o \u0111\u1ea5t v\u00e0 s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 \u0111\u00ad\u1ee3c l\u1eadp trong thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng. Tr\u00ad\u1edbc khi \u0111\u00e0o ph\u1ea3i gi\u00e1c m\u00f3ng ch\u00ednh x\u00e1c.<\/p>\n

\u0110\u00e1y h\u1ed1 m\u00f3ng sau khi \u0111\u00e0o ph\u1ea3i d\u1ecdn s\u1ea1ch s\u1ebd, b\u1eb1ng ph\u1eb3ng, v\u00e0 ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 cao t\u00ad\u01a1ng \u0111\u1ed1i c\u1ee7a \u0111\u00e1y so v\u1edbi thi\u1ebft k\u1ebf. S\u1eeda ph\u1eb3ng \u0111\u00e1y h\u1ed1 m\u00f3ng b\u1eb1ng ph\u00ad\u01a1ng ph\u00e1p x\u00e9n ph\u1eb3ng \u0111\u1ea5t \u0111\u1ec3 kh\u00f4ng l\u00e0m h\u00ad h\u1ecfng k\u1ebft c\u1ea5u nguy\u00ean th\u1ed5 c\u1ee7a \u0111\u1ea5t \u0111\u00e1y m\u00f3ng. Ch\u1ec9 cho ph\u00e9p \u0111\u1eafp \u0111\u1ea5t l\u00e0m ph\u1eb3ng m\u1eb7t b\u1eb1ng \u0111\u00e1y h\u1ed1 khi c\u00f3 \u0111\u1ed9 ch\u00eanh d\u00ad\u1edbi 100 mm v\u00e0 sau \u0111\u00f3 ph\u1ea3i ti\u1ebfn h\u00e0nh \u0111\u1ea7m k\u1ef9.<\/p>\n

\u0110\u00e1y h\u1ed1 m\u00f3ng n\u00e9o ph\u1ea3i l\u00e0m s\u1ea1ch v\u00e0 ph\u1eb3ng theo g\u00f3c ngi\u00eang quy \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf. N\u1ebfu sai v\u1ec1 \u0111\u1ed9 ngi\u00eang th\u00ec kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1 10%.<\/p>\n

H\u1ed1 h\u00ecnh tr\u1ee5 d\u00f9ng cho c\u1ed9t ly t\u00e2m ch\u00f4n tr\u1ef1c ti\u1ebfp ph\u1ea3i \u0111\u00e0o b\u1eb1ngm\u00e1y khoan, tr\u00ad\u1eddng h\u1ee3p \u0111\u00e0o b\u0103ng th\u1ee7 c\u00f4ng th\u00ec k\u00edch th\u00ad\u1edbc h\u1ed1 m\u00f3ng v\u00e0 bi\u1ec7n ph\u00e1p gia c\u1ed1 ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf quy \u0111\u1ecbnh.<\/p>\n

Cho ph\u00e9p d\u00f9ng n\u1ed5 m\u00ecn, \u00e9p \u0111\u1ea5t t\u1ea1o h\u1ed1 h\u00ecnh tr\u1ee5 \u0111\u1ed1i v\u1edbi lo\u1ea1i \u0111\u1ea5t s\u00e9t, \u00e1 s\u00e9t v\u00e0 \u0111\u1ea5t d\u1ebbo. trong ph\u00ad\u01a1ng ph\u00e1p n\u1ed5 m\u00ecn n\u00e0y th\u00ec thu\u1ed1c n\u1ed5 \u0111\u00ad\u1ee3c t\u00ednh to\u00e1n \u0111\u1ecbnh l\u00ad\u1ee3ng ph\u00e2n b\u1ed5 theo chi\u1ec1u s\u00e2u c\u1ee7a l\u1ed7 khoan m\u1ed3i c\u00f3 \u0111\u00ad\u1eddng k\u00ednh 70cm.<\/p>\n

Khi ti\u1ebfn h\u00e0nh n\u1ed5 m\u00ecn t\u1ea1o h\u1ed1 m\u00f3ng k\u1ec3 tr\u00ean ph\u1ea3i \u0111\u00ad\u1ee3c ph\u00e9p c\u1ee7a c\u01a1 quan chuy\u00ean m\u00f4n ( c\u00f4ng an ) v\u00e0 ph\u1ea3i ch\u1ecbu s\u1ef1 gi\u00e1m s\u00e1t ch\u1eb7t ch\u1ebd c\u1ee7a c\u01a1 quan \u0111\u00f3.<\/p>\n

Cho ph\u00e9p ho\u00e0n ch\u1ec9nh h\u1ed1 m\u00f3ng, \u1edf n\u01a1i \u0111\u1ea5t \u0111\u00e1 b\u1eb1ng ph\u00ad\u01a1ng ph\u00e1p n\u1ed5 m\u00ecn, gi\u1edbi h\u1ea1n an to\u00e0n c\u1ee7a v\u00f9ng n\u1ed5 m\u00ecn ph\u1ea3i tu\u00e2n theo quy ph\u1ea1m an to\u00e0n v\u1ec1 n\u1ed5 m\u00ecn.<\/p>\n

C\u00f4ng nh\u00e2n vi\u00ean l\u00e0m vi\u1ec7c n\u1ed5 m\u00ecn ph\u1ea3i \u0111\u00ad\u1ee3c s\u00e1t h\u1ea1ch ki\u1ec3m tra k\u1ef9 thu\u1eadt \u0111\u00e1nh m\u00ecn v\u00e0 quy ph\u1ea1m an to\u00e0n v\u1ec1 c\u00f4ng t\u00e1c n\u1ed5 m\u00ecn, \u0111\u1ed3ng th\u1eddi ph\u1ea3i c\u00f3 s\u1ed5 nh\u1eadt k\u00fd n\u1ed5 m\u00ecn.<\/p>\n

Ch\u1ec9 cho ph\u00e9p n\u1ed5 m\u00ecn khi tr\u1eddi s\u00e1ng, c\u1ea5m n\u1ed5 m\u00ecn khi tr\u1eddi ch\u00ada s\u00e1ng r\u00f5 ho\u1eb7c khi c\u00f3 gi\u00f4ng b\u00e3o. C\u00f4ng vi\u1ec7c n\u1ed5 m\u00ecn ph\u1ea3i ti\u1ebfn h\u00e0nh c\u1ea9n tr\u1ecdng trong m\u1ed9t ph\u00ad\u01a1ng \u00e1n k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c v\u00e0 th\u1ed1ng nh\u1ea5t d\u00ad\u01a1\u00ed s\u1ef1 ch\u1ec9 huy c\u1ee7a m\u1ed9t ng\u00ad\u1eddi ch\u1ecbu tr\u00e1ch nhi\u1ec7m ch\u00ednh.<\/p>\n

N\u1ebfu trong h\u1ed1 m\u00f3ng c\u00f3 n\u00ad\u1edbc tr\u00ad\u1edbc khi l\u1eafp \u0111\u1eb7t m\u00f3ng ho\u1eb7c \u0111\u00fac m\u00f3ng hay l\u1ea5p \u0111\u1ea5t h\u1ed1 m\u00f3ng ph\u1ea3i ti\u1ebfn h\u00e0nh b\u01a1m n\u00ad\u1edbc ra ngo\u00e0i.<\/p>\n

\u0110\u1ed9 s\u00e2u \u0111\u00e1y h\u1ed1 m\u00f3ng ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf. Tr\u00ad\u1eddng h\u1ee3p \u0111\u00e0o h\u1ed1 m\u00f3ng kh\u00f3 th\u1ef1c hi\u1ec7n \u0111\u1ed9 s\u00e2u thi\u1ebft k\u1ebf th\u00ec ph\u1ea3i \u0111\u00ad\u1ee3c c\u00ad quan thi\u1ebft k\u1ebf \u0111\u1ed3ng \u00fd.<\/p>\n

Khi thi c\u00f4ng tr\u1ee5 m\u00f3ng v\u00e0 c\u1ecdc m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i tu\u00e2n theo quy ph\u1ea1m x\u00e2y d\u1ef1ng n\u1ec1n v\u00e0 m\u00f3ng. C\u00e1c m\u1ed1i h\u00e0n ho\u1eb7c c\u00e1c li\u00ean k\u1ebft c\u1ee7a c\u00e1c tr\u1ee5 m\u00f3ng l\u1eafp gh\u00e9p ph\u1ea3i \u0111\u00ad\u1ee3c b\u1ea3o v\u1ec7 ch\u1ed1ng r\u1ec9. Tr\u00ad\u1edbc khi h\u00e0n ph\u1ea3i c\u1ea1o s\u1ea1ch r\u1ec9 \u1edf c\u00e1c chi ti\u1ebft h\u00e0n. \u0110\u1ed1i v\u1edbi m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u00fac s\u1eb5n n\u1ebfu c\u00f3 b\u1ec1 d\u1ea7y c\u1ee7a l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 nh\u1ecf h\u01a1n 30mm v\u00e0 t\u1ea5t c\u1ea3 c\u00e1c m\u00f3ng \u0111\u1eb7t \u1edf m\u00f4i tr\u00ad\u1eddng x\u00e2m th\u1ef1c ph\u1ea3i c\u00f3 bi\u00ean ph\u00e1p b\u1ea3o v\u1ec7.<\/p>\n

M\u00f4i tr\u00ad\u1eddng x\u00e2m th\u1ef1c c\u00f3 t\u00e1c h\u1ea1i t\u1edbi b\u00ea t\u00f4ng ph\u1ea3i \u0111\u00ad\u1ee3c c\u01a1 quan kh\u1ea3o s\u00e1t th\u0103m d\u00f2 \u0111\u1ecba ch\u1ea5t x\u00e1c \u0111\u1ecbnh b\u1eb1ng ph\u00e2n t\u00edch ho\u00e1 h\u1ecdc. V\u1ecb tr\u00ed tr\u00ean tuy\u1ebfn \u0110DK\u00a0 c\u00f3 m\u00f4i tr\u00ad\u1eddng x\u00e2m th\u1ef1c v\u1ecb tr\u00ed c\u1ed9t tr\u00ean tuy\u1ebfn \u0110DK\u00a0 ph\u1ea3i \u0111\u00ad\u1ee3c ch\u1ec9 d\u1eabn trong thi\u1ebft k\u1ebf.<\/p>\n

Sau khi \u0111\u00fac m\u00f3ng ho\u1eb7c l\u1eafp \u0111\u1eb7t m\u00f3ng \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 \u0111\u00fang thi\u1ebft k\u1ebf th\u00ec ti\u1ebfn h\u00e0nh l\u1eadp v\u0103n b\u1ea3n nghi\u1ec7m thu v\u00e0 l\u1ea5p m\u00f3ng. \u0110\u1ea5t l\u1ea5p m\u00f3ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf v\u00e0 \u0111\u00ad\u1ee3c \u0111\u1ea7m n\u00e9n c\u1ea9n th\u1eadn theo t\u1eebng l\u1edbp.<\/p>\n

D\u00ad\u1ee1ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t tr\u1ee5 m\u00f3ng l\u1eafp gh\u00e9p ch\u1ec9 \u0111\u00ad\u1ee3c th\u00e1o sau khi \u0111\u00e3 l\u1ea5p \u0111\u1ea5t \u0111\u1ebfn \u0111\u1ed9 cao 1\/2 m\u00f3ng.<\/p>\n

Chi\u1ec1u cao l\u1ea5p \u0111\u1ea5t au \u0111\u1ea7m n\u00e9n c\u00f2n ph\u1ea3i t\u00ednh t\u1edbi kh\u1ea3 n\u0103ng l\u00fan c\u1ee7a \u0111\u1ea5t \u0111\u1eafp.<\/p>\n

Sai s\u1ed1 cho ph\u00e9p trong l\u1eafp \u0111\u1eb7t m\u00f3ng v\u00e0 c\u1ecdc m\u00f3ng l\u1eafp gh\u00e9p ph\u1ea3i th\u1ef1c hi\u1ec7n theo b\u1ea3ng VIII-1.<\/p>\n

B\u1ea3ng VIII-1<\/p>\n[sociallocker] [\/sociallocker]\n\n\n\n\n\n\n\n\n\n\n
TT<\/td>\nT\u00ean g\u1ecdi<\/td>\nSai s\u1ed1 cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u1ed9t<\/td>\n<\/tr>\n
<\/td>\n<\/td>\nKh\u00f4ng d\u00e2y n\u00e9o<\/td>\nC\u00f3 d\u00e2y n\u00e9o<\/td>\n<\/tr>\n
1<\/td>\n\u0110\u1ed9 ch\u00eanh l\u1ec7c b\u1eb1ng ph\u1eb3ng \u0111\u00e1y h\u1ed1 m\u00f3ng<\/td>\n10 mm<\/td>\n10 mm<\/td>\n<\/tr>\n
2<\/td>\nKho\u1ea3ng c\u00e1ch gi\u00e3 c\u00e1c tr\u1ee5 c\u1ee7a c\u00e1c tr\u1ee5 m\u00f3ng trong m\u1eb7t ph\u1eb3ng<\/td>\n\u00b1 20 mm<\/td>\n\u00b150 mm<\/td>\n<\/tr>\n
3<\/td>\nCh\u00eanh l\u1ec7ch cao tr\u00ecnh ph\u00eda tr\u00ean m\u1eb7t tr\u1ee5 m\u00f3ng<\/td>\n20 mm<\/td>\n20 mm<\/td>\n<\/tr>\n
4<\/td>\nG\u00f3c nghi\u00eang tr\u1ee5c d\u1ecdc c\u1ee7a tr\u1ee5 m\u00f3ng<\/td>\n00<\/sup>, 30′<\/td>\n\u00b1 10<\/sup>30′<\/td>\n<\/tr>\n
5<\/td>\nG\u00f3c nghi\u00eang c\u1ee7a tr\u1ee5c m\u00f3ng n\u00e9o<\/td>\n<\/td>\n\u00b1 20<\/sup>30′<\/td>\n<\/tr>\n
6<\/td>\nS\u1ef1 d\u1ecbch chuy\u1ec3n tr\u1ee5 m\u00f3ng trong m\u1eb7t ph\u1eb3ng<\/td>\n<\/td>\n50 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Ph\u1ea3i d\u00f9ng nh\u1eefng mi\u1ebfng \u0111\u1ec7m th\u00e9p khi l\u1eafp r\u00e1p c\u1ed9t \u0111\u1ec3 ch\u1ec9nh s\u1ef1 ch\u00eanh l\u1ec7ch cao tr\u00ecnh m\u1eb7t tr\u00ean tr\u1ee5 m\u00f3ng.<\/p>\n

 <\/p>\n

Khi \u0111\u00fac m\u00f3ng b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 ph\u1ea3i th\u1ef1c hi\u1ec7n theo qui ph\u1ea1m x\u00e2y d\u1ef1ng k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p.<\/p>\n

Sai l\u1ec7ch k\u00edch th\u00ad\u1edbc c\u1ee7a bu l\u00f4ngm\u00f3ng ch\u00f4n c\u1ed9t kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qua:<\/p>\n

 <\/p>\n

– Kho\u1ea3ngc\u00e1ch theo chi\u1ec1u ngang gi\u1eefa c\u00e1c tr\u1ee5 bu l\u00f4ng ch\u00e2n c\u1ed9t l\u00e0 \u00b1 10 mm.<\/p>\n

– Ch\u00eanh l\u1ec7c \u0111\u1ed9 cao tr\u00ean \u0111\u1ec9nh bu l\u00f4ng ch\u00e2n c\u1ed9t 20 mm<\/p>\n

 <\/p>\n

9.5 – L\u1eafp r\u00e1p v\u00e0 d\u1ef1ng c\u1ed9t.<\/strong><\/p>\n

 <\/p>\n

M\u1eb7t b\u1eb1ng l\u1eafp r\u00e1p \u1edf m\u1ed7i v\u1ecb tr\u00ed c\u1ed9t ph\u1ea3i \u0111\u1ea3m b\u1ea3o thu\u1eadn l\u1ee3i cho vi\u1ec7c thi c\u00f4ng c\u00e1c chi ti\u1ebft. Ngo\u00e0i ra c\u00f2n ph\u1ea3i t\u00ednh t\u1edbi \u0111\u00ad\u1eddng qua l\u1ea1i ph\u1ee5c v\u1ee5 l\u1eafp, d\u1ef1ng c\u1ed9t c\u1ee7a c\u00e1c ph\u00ad\u01a1ng ti\u1ec7n c\u01a1 gi\u1edbi, v\u1eadn t\u1ea3i. L\u1eafp r\u00e1p c\u1ed9t ph\u1ea3i ti\u1ebfn h\u00e0nh theo \u0111\u00fang tr\u00ecnh t\u1ef1 v\u00e0 s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u00ad\u1ee3c l\u1eadp trong thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng.<\/p>\n

 <\/p>\n

L\u1eafp r\u00e1p c\u1ed9t g\u1ed7 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf. Ch\u1ea5t l\u00ad\u1ee3ng li\u00ean k\u1ebft bu l\u00f4ng l\u1eafp r\u00e1p c\u1ed9t ph\u1ea3i \u0111\u1ea3m b\u1ea3o theo y\u00eau c\u1ea7u sau:<\/p>\n

 <\/p>\n

K\u00edch th\u00ad\u1edbc quy c\u00e1ch bu l\u00f4ng, ph\u1ea3i \u0111\u00fang thi\u1ebft k\u1ebf kh\u00f4ng cho ph\u00e9p l\u1eafp bu l\u00f4ng c\u00f3 \u0111\u00ad\u1eddng k\u00ednh nh\u1ecf h\u01a1n v\u00e0o l\u1ed7 li\u00ean k\u1ebft kh\u00f4ng tr\u00f9ng t\u00e2m gi\u00ad\u00e3 hai chi ti\u1ebft gh\u00e9p. Bu l\u00f4ng ph\u1ea3i \u0111i su\u1ed1t v\u00e0 ch\u1eb7t l\u1ed7 khoan. Li\u00ean k\u1ebft bu l\u00f4ng th\u00ec tr\u1ee5c ph\u1ea3i th\u1eb3ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng li\u00ean k\u1ebft v\u00e0 ph\u1ea7n ren bu l\u00f4ng kh\u00f4ng\u00a0 \u0111\u00ad\u1ee3c \u0103n s\u00e2u v\u00e0o ph\u00eda trong h\u01a1n 1 mm.<\/p>\n

 <\/p>\n

\u0110\u1ea7u bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c ph\u1ea3i ti\u1ebfp x\u00fac ch\u1eb7t v\u1edbi m\u1eb7t ph\u1eb3ng chi ti\u1ebft li\u00ean k\u1ebft v\u00e0 v\u00f2ng \u0111\u1ec7m, ph\u1ea7n nh\u00f4 ra c\u1ee7a bu l\u00f4ng kh\u00f4ng \u0111\u00ad\u1ee3c nh\u1ecf h\u01a1n 40 mm v\u00e0 kh\u00f4ng l\u1edbn h\u01a1n 100 mm.<\/p>\n

 <\/p>\n

\u0110ai \u1ed1c ph\u1ea3i xi\u1ebft ch\u1eb7t t\u1edbi \u0111\u1ed9 ch\u1ed1i v\u00e0 ph\u1ea3i ph\u00e1 ren c\u00f3 \u0111\u1ed9 s\u00e2u kh\u00f4ng l\u1edbn h\u01a1n 3 mm ho\u1eb7c ph\u1ea3i xi\u1ebft th\u00eam m\u1ed9t \u0111ai \u1ed1c ch\u1ed1ng t\u1ef1 th\u00e1o. T\u1ea1i t\u1ea5t c\u1ea3 c\u00e1c \u0111ai \u1ed1c \u1edf \u0111\u1ed9 cao l\u1edbn 3 m k\u1ec3 t\u1eeb m\u1eb7t \u0111\u1ea5t ph\u1ea3i d\u00f9ng ph\u00ad\u01a1ng ph\u00e1p ph\u00e1 ren \u0111\u1ec3 ch\u1ed1ng t\u1ef1 th\u00e1o.<\/p>\n

 <\/p>\n

V\u00f2ng \u0111\u1ec7m ph\u1ea3i \u0111\u1eb7t d\u00ad\u1edbi \u0111ai \u1ed1c t\u1eeb 1 \u0111\u00ean 2 c\u00e1i. C\u1ea5m kh\u00f4ng \u0111\u00ad\u1ee3c s\u1ebb r\u00e3nh d\u00ad\u1edbi v\u00f2ng \u0111\u1ec7m. Tr\u00ad\u1eddng h\u1ee3p ph\u1ea9n ren bu l\u00f4ng kh\u00f4ng \u0111\u1ee7 d\u00e0i \u0111\u1ec3 xi\u1ebft ch\u1eb7t li\u00ean k\u1ebft bu l\u00f4ng th\u00ec cho ph\u00e9p \u0111\u1eb7t th\u00eam m\u1ed9t v\u00f2ng \u0111\u1ec7m \u1edf \u0111\u1ea7u bul\u00f4ng.<\/p>\n

 <\/p>\n

Tr\u00ad\u1edbc khi d\u1ef1ng c\u1ed9t b\u00ea t\u00f4ng c\u1ed1t th\u00e9p nh\u1ea5t thi\u1ebft ph\u1ea3i ki\u1ec3m tra l\u1ea1i xem b\u1ec1 m\u1eb7t th\u00e2n c\u1ed9t c\u00f3 b\u1ecb s\u1ee9t, n\u1ee9t v\u00e0 v\u1ee1 qu\u00e1 ti\u00eau chu\u1ea9n cho ph\u00e9p hay kh\u00f4ng.<\/p>\n

N\u1ebfu c\u00f3, ph\u1ea3i x\u1eed l\u00fd theo \u0111i\u1ec1u \u0111\u00e3 ch\u1ec9 d\u1eabn tr\u00ean. B\u1ec1 m\u1eb7t ch\u1ed7 v\u1ee1, x\u00ad\u1edbc d\u00ad\u1edbi ti\u00eau chu\u1ea9n khi x\u1eed l\u00fd ph\u1ea3i x\u00f9 x\u00ec kh\u00f4ng nh\u1eb5n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o li\u00ean k\u1ebft ch\u1eb7t v\u1edbi l\u1edbp v\u1eefa xi m\u0103ng – c\u00e1t tr\u00e1t v\u00e1.<\/p>\n

 <\/p>\n

Ki\u1ec3m tra ch\u1ea5t l\u00ad\u1ee3ng \u0111\u00ad\u1eddng h\u00e0n c\u1ee7a th\u00e9p \u1edf ngo\u00e0i hi\u1ec7n tr\u00ad\u1eddng, th\u00f4ng th\u00ad\u1eddng quan s\u00e1t b\u1eb1ng m\u1eaft b\u1eb1ng \u0111o k\u00edch th\u00ad\u1edbc \u0111\u00ad\u1eddng h\u00e0n, ti\u1ebfn h\u00e0nh g\u00f5 \u0111\u1ec3 nghe \u00e2m thanh. Khi ng\u00ad\u1eddi ki\u1ec3m tra y\u00eau c\u1ea7u khoan \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u00ad\u1ee3ng \u0111\u00ad\u1eddng h\u00e0n th\u00ec ch\u1ec9 cho ph\u00e9p khoan kh\u00f4ng qu\u00e1 1 m\u0169i tr\u00ean t\u1ed5ng chi\u1ec1u d\u00e0i 20 m \u0111\u00ad\u1eddng h\u00e0n. C\u00f4ng nh\u00e2n h\u00e0n tham gia h\u00e0n k\u1ebft c\u1ea5u c\u1ed9t th\u00e9p ph\u1ea3i l\u00e0 c\u00f4ng nh\u00e2n chuy\u00ean nghi\u1ec7p v\u1ec1 h\u00e0n.<\/p>\n

Sai s\u1ed1 cho ph\u00e9p khi l\u1eafp r\u00e1p c\u1ed9t th\u00e9p ph\u1ea3i tu\u00e2n theo quy ph\u1ea1m v\u1ec1 ch\u1ebf t\u1ea1o, l\u1eafp r\u00e1p v\u00e0 ti\u1ebfp nh\u1eadn k\u1ebft c\u1ea5u th\u00e9p.<\/p>\n

 <\/p>\n

C\u00e1p th\u00e9p d\u00f9ng l\u00e0m d\u00e2y n\u00e9o c\u1ed9t, ph\u1ea3i c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng g\u1ec9, c\u00e1p ph\u1ea3i \u0111\u00ad\u1ee3c ch\u1ebf t\u1ea1o v\u00e0 ghi s\u1ed1 hi\u1ec7u cho t\u1eebng v\u1ecb tr\u00ed c\u1ed9t tr\u00ean tuy\u1ebfn v\u00e0 v\u1eadn chuy\u1ec3n t\u1edbi t\u1eebng v\u1ecb tr\u00ed t\u00ad\u01a1ng \u1ee9ng.<\/p>\n

 <\/p>\n

C\u00e1p thep d\u00f9ng \u0111\u1ec3 thi c\u00f4ng ph\u1ea3i t\u1ebft \u0111\u1ea7u c\u00e1p v\u00e0 t\u00ednh to\u00e1n cho ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n

C\u00e1p th\u00e9p thi c\u00f4ng ph\u1ea3i \u0111\u00ad\u1ee3c ki\u1ec3m tra t\u1ea3i tr\u1ecdng \u1edf th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u d\u1ef1ng c\u1ed9t v\u00e0o m\u00f3ng b\u1eb1ng c\u00e1ch n\u00e2ng t\u1ea3i \u1edf \u0111\u1ed9 cao kh\u00f4ng qu\u00e1 30 cm t\u00ednh t\u1eeb m\u1eb7t \u0111\u1ea5t ho\u1eb7c m\u1eb7t gi\u00e1 k\u00ea. Vi\u1ec7c n\u00e2ng t\u1ea3i ph\u1ea3i ti\u1ebfn h\u00e0nh t\u1eeb t\u1eeb \u0111\u1ec1u \u0111\u1eb7n, n\u1ebfu kh\u00f4ng b\u1ecb tu\u1ed9t \u0111\u1ee9t, g\u00e3y l\u00e0 \u0111\u00ad\u1ee3c. Khi ti\u1ebfn h\u00e0nh d\u1ef1ng c\u1ed9t v\u00ad\u1ee3t ph\u1ee9c t\u1ea1p ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p ri\u00eang \u0111\u00ad\u1ee3c l\u1eadp trong thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng. \u0110\u1ed1i v\u1edbi c\u1ed9t b\u00ecnh th\u00ad\u1eddng th\u00ec theo s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 l\u1eafp d\u1ef1ng \u0111\u1ecbnh h\u00ecnh.<\/p>\n

 <\/p>\n

Ch\u00e8n ch\u00e2n c\u1ed9t v\u00e0o h\u1ed1 h\u00ecnh tr\u1ee5 cho c\u1ed9t ly t\u00e2m ch\u00f4n tr\u1ef1c ti\u1ebfp \u0111\u00ad\u1ee3c ti\u1ebfn h\u00e0nh sau khi \u0111\u00e3 d\u1ef1ng c\u1ed9t v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u00fang v\u1ecb tr\u00ed thi\u1ebft k\u1ebf. L\u1edbp ch\u00e8n c\u1ed9t ph\u1ea3i l\u00e0m \u0111\u00fang theo y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf quy \u0111\u1ecbnh v\u00e0 \u0111\u1ea7m ch\u1eb7t b\u1eb1ng c\u00f4ng c\u1ee5 chuy\u00ean d\u00f9ng.<\/p>\n

 <\/p>\n

Vi\u1ec7c ch\u00e8n ch\u00e2n c\u1ed9t b\u00ea t\u00f4ng c\u1ed1t th\u00e9p, g\u1ed7, th\u00e9p v\u00e0o l\u1ed7 m\u00f3ng h\u00ecnh c\u1ed1c ph\u1ea3i ti\u1ebfn h\u00e0nh sau khi d\u1ef1ng c\u1ed9t v\u00e0o \u0111\u00fang v\u1ecb tr\u00ed thi\u1ebft k\u1ebf v\u00e0 ki\u1ec3m tra c\u1ed1 \u0111\u1ecbnh c\u1ed9t b\u1eb1ng n\u00eam b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n, l\u1edbp v\u1eefa ch\u00e8n ch\u00e2n c\u1ed9t ph\u1ea3i theo quy \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 ph\u1ea3i l\u00e0m trong c\u00f9ng ng\u00e0y d\u1ef1ng c\u1ed9.<\/p>\n

 <\/p>\n

Tr\u00ad\u1edbc khi d\u1ef1ng c\u1ed9t theo ph\u00ad\u01a1ng ph\u00e1p b\u1ea3n l\u1ec1 xoay th\u00ec tr\u1ee5 m\u00f3ng ki\u1ec3u n\u1ea5m v\u00e0 c\u1ecdc m\u00f3ng ph\u1ea3i b\u1ed1 tr\u00ed thanh ch\u1ed1ng l\u1ef1c \u0111\u1ea9y c\u1ee7a b\u1ea3n l\u1ec1 v\u00e0o m\u00f3ng khi d\u1ef1ng c\u1ed9t. C\u1ea5m d\u1ef1ng c\u1ed9t khi ch\u00ada ho\u00e0n thi\u1ec7n c\u00f4ng vi\u1ec7c l\u00e0m m\u00f3ng, l\u1ea5p m\u00f3ng v\u00e0 thanh ch\u1ed1ng k\u1ec3 tr\u00ean.<\/p>\n

 <\/p>\n

Ghi nh\u1eadt k\u00fd c\u00f4ng tr\u00ecnh thi c\u00f4ng m\u00f3ng v\u00e0 l\u1eafp r\u00e1p c\u1ed9t \u0111\u00e3 b\u1ea3o \u0111\u1ea3m y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, ph\u1ea7n m\u00f3ng \u0111\u00e3 c\u00f3 bi\u00ean b\u1ea3n nghi\u1ec7m thu, th\u00ec ng\u00ad\u1eddi ph\u1ee5 tr\u00e1ch thi c\u00f4ng \u0111\u00ad\u1ee3c ph\u00e9p ra l\u1ec7nh d\u1ef1ng c\u1ed9t v\u00e0o m\u00f3ng. Tr\u00ad\u1edbc khi ra l\u1ec7nh d\u1ef1ng c\u1ed9t, ng\u00ad\u1eddi ph\u1ee5 tr\u00e1ch thi c\u00f4ng ph\u1ea3i cho ti\u1ebfn h\u00e0nh ki\u1ec3m tra c\u00e1c c\u00f4ng vi\u1ec7c nh\u00ad\u00a0 sau:<\/p>\n

 <\/p>\n

– Ki\u1ec3m tra m\u00f3ng, \u0111o l\u1ea1i k\u00edch th\u00ad\u1edbc v\u1ecb tr\u00ed bu l\u00f4ng m\u00f3ng ch\u00e2n c\u1ed9t xem c\u00f3 sai l\u1ec7ch so v\u1edbi thi\u1ebft k\u1ebf kh\u00f4ng ; ph\u1ea7n ren bu l\u00f4ng m\u00f3ng c\u00f3 s\u1ea1ch v\u00e0 s\u1ee9t v\u1ee1 kh\u00f4ng ? \u0111ai \u1ed1c c\u00f3 d\u1ec5 v\u1eb7n v\u00e0 th\u00e1o ra kh\u00f4ng ?<\/p>\n

 <\/p>\n

– Ki\u1ec3m tra ch\u1ea5t l\u00ad\u1ee3ng l\u1eafp r\u00e1p c\u1ed9t, ch\u1ea5t l\u00ad\u1ee3ng m\u1ed1i h\u00e0n v\u00e0 \u0111\u1ed9 si\u1ebft ch\u1eb7t bu l\u00f4ng, ph\u00e1 ren bu l\u00f4ng \u0111\u1ec3 ch\u1ed1ng t\u1ef1 th\u00e1o … n\u1ebfu c\u00f3 thanh c\u1ed9t cong v\u00eanh ph\u1ea3i n\u1eafn th\u1eb3ng.<\/p>\n

 <\/p>\n

Khi d\u1ef1ng c\u1ed9t b\u1eb1ng ph\u00ad\u01a1ng ph\u00e1p b\u1ea3n l\u1ec1 xoay th\u00ec ph\u1ea3i ki\u1ec3m tra c\u00e1c chi ti\u1ebft m\u1ed1i bu\u1ed9c c\u1ee7a b\u1ed9 d\u1ef1ng v\u00e0 ph\u1ea3i th\u1eed t\u1ea3i \u1edf th\u1eddi \u0111i\u1ec3m b\u1eaft \u0111\u1ea7u d\u1ef1ng c\u1ed9t. Khi c\u1ea7n thi\u1ebft ph\u1ea3i t\u00ednh to\u00e1n gia c\u1ed1 th\u00eam cho k\u1ebft c\u1ea5u c\u1ed9t b\u1ea3o \u0111\u1ea3m v\u1eefng ch\u1eafc m\u1edbi \u0111\u00ad\u1ee3c ti\u1ebfn h\u00e0nh d\u1ef1ng c\u1ed9t. Ph\u00eda \u0111\u1ed1i di\u1ec7n v\u1edbi chi\u1ec1u d\u1ef1ng c\u1ed9t ph\u1ea3i b\u1ed1 tr\u00ed thi\u1ebft b\u1ecb phanh h\u00e3m ch\u1eafc ch\u1eafn. \u0110\u1ed1i v\u1edbi c\u1ed9t c\u00f3 d\u00e2y n\u00e9o v\u00e0 c\u1ed9t ly t\u00e2m khi d\u1ef1ng nh\u1ea5t thi\u1ebft ph\u1ea3i c\u00f3 d\u00e2y t\u0103ng c\u1ea1nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tr\u1ee5 c\u1ed9t lu\u00f4n tr\u00f9ng v\u1edbi tim h\u00ad\u1edbng d\u1ef1ng c\u1ed9t.<\/p>\n

 <\/p>\n

C\u00e1c ph\u00ad\u01a1ng \u00e1n k\u1ef9 thu\u1eadt l\u1eafp d\u1ef1ng c\u1ed9t ph\u1ea3i t\u00ednh to\u00e1n kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a c\u1ed9t v\u00e0 c\u00e1c chi ti\u1ebft k\u1ebft c\u1ea5u thi c\u00f4ng theo l\u1ef1c thi c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n trong su\u1ed1t qu\u00e1 tr\u00ecnh l\u1eafp d\u1ef1ng c\u1ed9t, kh\u00f4ng l\u00e0m bi\u1ebfn d\u1ea1ng h\u00ad h\u1ecfng c\u1ed9t.<\/p>\n

 <\/p>\n

Nh\u1eefng c\u1ed9t \u0111\u1eb7t tr\u00ean m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ho\u1eb7c c\u1ecdc m\u00f3ng ph\u1ea3i \u0111\u00ad\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eb7t b\u1eb1ng bu l\u00f4ng m\u00f3ng ch\u00e2n c\u1ed9t, \u0111ai \u1ed1c bu l\u00f4ng ch\u00e2n c\u1ed9t ph\u1ea3i xi\u1ebft ch\u1eb7t t\u1edbi \u0111\u1ed9 ch\u1ed1i v\u00e0 ph\u1ea3i ph\u00e1 ren \u0111\u1ec3 ch\u1ed1ng hi\u1ec7n t\u00ad\u1ee3ng t\u1ef1 th\u00e1o, nh\u1eefng \u0111\u1ed9 s\u00e2u kh\u00f4ng qu\u00e1 3 mm.<\/p>\n

 <\/p>\n

T\u1ea1i bu l\u00f4ng ch\u00e2n c\u00e1c lo\u1ea1i c\u1ed9t ph\u1ea3i \u0111\u1eb7t 2 \u0111ai \u1ed1c v\u00e0 sau khi d\u1ef1ng c\u1ed9t, xi\u1ebft ch\u1eb7t \u0111ai \u1ed1c ph\u1ea3i \u0111\u00ad\u1ee3c bao b\u1ecdc b\u00ea t\u00f4ng theo y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/p>\n

 <\/p>\n

Khi c\u1ed1 \u0111\u1ecbnh ch\u1eb7t c\u1ed9t v\u00e0o m\u00f3ng th\u00ec ch\u1ec9 cho ph\u00e9p gi\u1eefa \u0111\u1ebf ch\u00e2n c\u1ed9t v\u00e0 m\u1eb7t ph\u1eb3ng tr\u1ee5 m\u00f3ng sai l\u1ec7ch \u0111\u1ed9 cao kh\u00f4ng qu\u00e1 40 mm. \u0110\u1ec7m c\u00f3 chi\u1ec1u d\u1ea7y t\u1ed5ng c\u1ed9ng kh\u00f4ng qu\u00e1 40 mm. K\u00edch th\u00ad\u1edbc v\u00e0 h\u00ecnh d\u00e1ng b\u00ean ngo\u00e0i c\u1ee7a t\u1ea5m \u0111\u1ec7m ph\u1ea3i x\u00e1c \u0111\u1ecbnh theo thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u \u0111\u1ebf c\u1ed9t.<\/p>\n

 <\/p>\n

Ti\u1ebfn h\u00e0nh ki\u1ec3m tra c\u1ed9t theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng n\u1ebfu l\u00e0 c\u1ed9t kh\u00f4ng d\u00e2y n\u00e9o v\u00e0 c\u1ed9t h\u00ecnh P th\u00ec th\u00f4ng th\u00ad\u1eddng d\u00f9ng qu\u1ea3 d\u1ecdi, c\u00f2n \u0111\u1ed1i v\u1edbi c\u1ed9t th\u00e9p h\u00ecnh th\u00e1p ph\u1ea3i d\u00f9ng m\u00e1y kinh v\u0129.<\/p>\n

 <\/p>\n

Sai l\u1ec7ch cho ph\u00e9p c\u1ee7a c\u1ed9t b\u00eat\u00f4ng c\u1ed1t th\u00e9p v\u00e0 c\u1ed9t \u0111\u1ee1 kh\u00f4ng d\u00e2y n\u00e9o so v\u1edbi thi\u1ebft k\u1ebf ph\u1ea3i tu\u00e2n theo b\u1ea3ng VIII-2.<\/p>\n

 <\/p>\n

B\u1ea3ng VIII-2.<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n
T\u00ean g\u1ecdi<\/td>\nTr\u1ecb s\u1ed1 cho ph\u00e9p<\/td>\n<\/tr>\n
C\u1ed9t g\u1ed7<\/td>\nC\u1ed9t b\u00ea t\u00f4ng<\/td>\n<\/tr>\n
1- Sail\u1ec7ch c\u1ee7a c\u1ed9t so v\u1edbi tr\u1ee5c th\u1eb3ng \u0111\u1ee9ng d\u1ecdc tuy\u1ebfn v\u00e0 ngang tuy\u1ebfn<\/td>\n1: 100<\/td>\n1 : 150<\/td>\n<\/tr>\n
2- L\u1ec7c tim tuy\u1ebfn nh\u00f4 ra ngang tuy\u1ebfn v\u1edbi kho\u1ea3ng c\u1ed9t t\u1edbi 200 m<\/td>\n100 mm<\/td>\n100 mm<\/td>\n<\/tr>\n
L\u1edbn h\u01a1n 200 m<\/td>\n200<\/td>\n200 mm<\/td>\n<\/tr>\n
3- \u0110\u1ecd nghi\u00eang c\u1ee7a x\u00e0 so v\u1edbi m\u1eb7t ph\u1eb3ng n\u1eb1m ngang<\/td>\n1 : 50<\/td>\n1 : 100<\/td>\n<\/tr>\n
4- \u0110\u1ed9 xoay c\u1ee7a x\u00e0 so v\u1edbi tr\u1ee5c th\u1eb3ng g\u00f3c tuy\u1ebfn ho\u1eb7c chuy\u1ec3n v\u1ecb \u0111\u1ea7u x\u00e0<\/td>\n50<\/sup><\/td>\n100 mm chuy\u1ec3n v\u1ecb \u0111\u1ea7u x\u00e0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Sai l\u1ec7ch cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u1ed5ng h\u00ecnh P ph\u1ea3i theo b\u1ea3ng VIII-3.<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

B\u1ea3ng VIII-3.<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n
S\u1ed1<\/td>\nT\u00ean g\u1ecdi<\/td>\nSai s\u1ed1 cho ph\u00e9p<\/td>\n<\/tr>\n
1<\/td>\nSai l\u1ec7c th\u1eb3ng \u0111\u1ee9ng theo d\u1ecdc v\u00e0 ngang<\/td>\n1 : 100<\/td>\n<\/tr>\n
2<\/td>\nL\u1ec7ch tim tuy\u1ebfn ( nh\u00f4 ra ngang tuy\u1ebfn )<\/td>\n100 mm<\/td>\n<\/tr>\n
3<\/td>\nSai l\u1ec7ch kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c tr\u1ee5 c\u1ed9t<\/td>\n\u00b1 100 mm<\/td>\n<\/tr>\n
4<\/td>\nSai l\u1ec7ch cao tr\u00ecnh c\u1ee7a x\u00e0 t\u1ea1i v\u1ecb tr\u00ed c\u1ed1 \u0111\u1ecbnh v\u00e0o x\u00e0 c\u1ed9t<\/td>\n80 mm<\/td>\n<\/tr>\n
5<\/td>\nSai l\u1ec7c cao tr\u00ecnh c\u00e1c tr\u1ee5 c\u1ee7a bul\u00f4ng li\u00ean k\u1ebft c\u1ed1 \u0111\u1ecbnh v\u00e0o x\u00e0 c\u1ed9t<\/td>\n50 mm<\/td>\n<\/tr>\n
6<\/td>\nChuy\u1ec3n v\u1ecb c\u00e1c tr\u1ee5 c\u1ed9t theo t\u00e2m tuy\u1ebfn<\/td>\n\u00b1 50 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Sai s\u1ed1 cho ph\u00e9p khi d\u1ef1ng c\u1ed9t th\u00e9p \u0111\u01a1n ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a b\u1ea3ng VIII-4.<\/p>\n

 <\/p>\n

B\u1ea3ng VIII-4.<\/p>\n

 <\/p>\n\n\n\n\n\n\n
S\u1ed1<\/td>\nT\u00ean g\u1ecdi<\/td>\nSai s\u1ed1 cho ph\u00e9p<\/td>\n<\/tr>\n
1<\/td>\nSai l\u1ec7c th\u1eb3ng \u0111\u1ee9ng theo d\u1ecdc v\u00e0 ngang tuy\u1ebfn<\/td>\n1 : 200<\/td>\n<\/tr>\n
2<\/td>\nChuy\u1ec3n v\u1ecb \u0111\u1ea7u x\u00e0 so v\u1edbi tr\u1ee5c th\u1eb3ng g\u00f3c v\u1edbi tuy\u1ebfn<\/td>\n100 mm<\/td>\n<\/tr>\n
3<\/td>\nL\u1ec7ch ngang tuy\u1ebfn ( nh\u00f4 ra ngang tuy\u1ebfn ) v\u1edbi kho\u1ea3ng c\u1ed9t<\/p>\n

T\u1edbi 200 m<\/p>\n

200 – 300 m<\/p>\n

L\u1edbn h\u01a1n 300 m<\/td>\n

 <\/p>\n

100 mm<\/p>\n

200 mm<\/p>\n

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

 <\/p>\n

 <\/p>\n

Sai s\u1ed1 cho ph\u00e9p khi d\u1ef1ng c\u1ed9t th\u00e9p h\u00ecnh c\u1ed5ng P c\u00f3 d\u00e2y n\u00e9o ph\u1ea3i theo b\u1ea3ng VIII-5.<\/p>\n

 <\/p>\n

B\u1ea3ng VIII-5<\/p>\n

 <\/p>\n\n\n\n\n\n\n\n
S\u1ed1<\/td>\nT\u00ean g\u1ecdi<\/td>\nSai s\u1ed1 cho ph\u00e9p<\/td>\n<\/tr>\n
1<\/td>\nSai l\u1ec7c th\u1eb3ng \u0111\u1ee9ng theo d\u1ecdc v\u00e0 ngang tuy\u1ebfn<\/td>\n1 : 200<\/td>\n<\/tr>\n
2<\/td>\nSai l\u1ec7ch tr\u1ee5c x\u00e0 so v\u1edbi m\u1eb7t ph\u1eb3ng n\u1eb1m ngang khi chi\u1ec1u d\u00e0i x\u00e0 l\u00e0 L(m).<\/p>\n

T\u1edbi 15 m<\/p>\n

L\u1edbn h\u01a1n 15 m<\/td>\n

100 mm<\/p>\n

1 : 150 L<\/p>\n

1 : 250 L<\/td>\n<\/tr>\n

3<\/td>\nChuy\u1ec3n v\u1ecb \u0111\u1ea7u x\u00e0 so v\u1edbi tr\u1ee5c th\u1eb3ng g\u00f3c v\u1edbi tuy\u1ebfn<\/td>\n100 mm<\/td>\n<\/tr>\n
4<\/td>\nL\u1ec7ch ngang tuy\u1ebfn khi chi\u1ec1u d\u00e0i th\u1eb3ng c\u1ed9t:<\/p>\n

t\u1edbi 250 m<\/p>\n

L\u1edbn h\u01a1n 250 m<\/td>\n

 <\/p>\n

200 mm<\/p>\n

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

 <\/p>\n

Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t, ti\u1ebfp \u0111\u1ecba ph\u1ea3i \u0111\u00ad\u1ee3c th\u1ef1c hi\u1ec7n theo y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t c\u1ee7a quy tr\u00ecnh n\u00e0y.<\/p>\n

 <\/p>\n

9.6- L\u1eafp r\u00e1p c\u00e1ch \u0111i\u1ec7n v\u00e0 ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y.<\/strong><\/p>\n

 <\/p>\n

C\u00e1ch \u0111i\u1ec7n v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y ph\u1ea3i \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt Nh\u00e0 n\u00ad\u1edbc hi\u1ec7n h\u00e0nh v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 ch\u1ebf t\u1ea1o.<\/p>\n

 <\/p>\n

L\u1ef1a ch\u1ecdn c\u00e1ch \u0111i\u1ec7n v\u00e0 ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y ph\u1ea3i ti\u1ebfn h\u00e0nh t\u1eeb tr\u00ad\u1edbc khi chuy\u1ec3n ra tuy\u1ebfn. M\u1ed7i l\u1ed7 c\u00e1ch \u0111i\u1ec7n ph\u1ea3i c\u00f3 t\u00e0i li\u1ec7u ch\u1ee9ng ch\u1ec9 k\u1ef9 thu\u1eadt xu\u1ea5t x\u00ad\u1edfng c\u1ee7a nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o.<\/p>\n

 <\/p>\n

Tr\u00ad\u1edbc khi l\u1eafp r\u00e1p c\u00e1ch \u0111i\u1ec7n v\u00e0 ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y ph\u1ea3i ki\u1ec3m tra xem x\u00e9t c\u1ea9n th\u1eadn \u0111\u1ec3 l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c. S\u1ee9 c\u00e1ch \u0111i\u1ec7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o, kh\u00f4ng c\u00f3 v\u1ebft n\u1ee9t, v\u1ee1, v\u00e0 ph\u1ea3i lau s\u1ea1ch s\u01a1n, xi m\u0103ng c\u0169ng nh\u00ad b\u1ee5i b\u1ea9n kh\u00e1c b\u1eb1ng d\u1ebb lau v\u1edbi x\u0103ng, c\u1ea5m d\u00f9ng b\u1ea3n ch\u1ea3i s\u1eaft \u0111\u1ec3 l\u00e0m v\u1ec7 sinh c\u00e1ch \u0111i\u1ec7n. \u0110\u1ed9 c\u00e1ch \u0111i\u1ec7n c\u1ee7a v\u1eadt c\u00e1ch \u0111i\u1ec7n ph\u1ea3i \u0111\u00ad\u1ee3c ki\u1ec3m tra b\u1eb1ng m\u00eag\u00f4m\u00e9t 2500 V v\u00e0 trong \u0111\u00f3 \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n c\u1ee7a m\u1ed7i c\u00e1i c\u00e1ch \u0111i\u1ec7n treo ho\u1eb7c \u0111\u1ee9ng kh\u00f4ng \u0111\u00ad\u1ee3c nh\u1ecf h\u01a1n 300 M\u00eaga \u00d4m.<\/p>\n

 <\/p>\n

Th\u00f4ng th\u00ad\u1eddng l\u1eafp \u0111\u1eb7t x\u00e0 ti\u1ebfn h\u00e0nh trong giai \u0111o\u1ea1n l\u1eafp r\u00e1p c\u1ed9t v\u00e0 l\u1eafp c\u00e1ch \u0111i\u1ec7n trong giai \u0111o\u1ea1n d\u1ef1ng c\u1ed9t ho\u1eb7c gi\u1ea3i c\u0103ng d\u00e2y.<\/p>\n

Ch\u00e2n c\u00e1ch \u0111i\u1ec7n \u0111\u1ee9ng ph\u1ea3i l\u1eafp \u0111\u1eb7t ch\u1eafc ch\u1eafn v\u00e0o x\u00e0 ho\u1eb7c c\u1ed9t, v\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o th\u1eb3ng \u0111\u1ee9ng c\u00e1c lo\u1ea1i c\u00e1ch \u0111i\u1ec7n \u0111\u1ee9ng l\u1eafp tr\u00ean x\u00e0 v\u00e0 c\u1ed9t ph\u1ea3i ngay th\u1eb3ng, lo\u1ea1i c\u00e1ch \u0111i\u1ec7n c\u00f3 ch\u00e2n ren th\u00ec ph\u1ea3i v\u1eb7n ch\u00e2n ren \u0111\u1ebfn h\u1ebft ren. Lo\u1ea1i kh\u00f4ng c\u00f3 ch\u00e2n ren ph\u1ea3i ch\u00e8n ch\u00e2n b\u1eb1ng xi m\u0103ng Po\u00f3cl\u0103ng m\u00e1c kh\u00f4ng nh\u1ecf h\u01a1n 400 – 500 v\u00e0 60% c\u00e1t v\u00e0ng s\u1ea1ch, kh\u00f4ng n\u00ean \u0111\u1ec3 v\u1eefa xi m\u0103ng c\u00e1t ch\u00e8n ch\u00e2n c\u00e1ch \u0111i\u1ec7n qu\u00e1 d\u00e0y.<\/p>\n

 <\/p>\n

Sau khi v\u1eefa xi m\u0103ng c\u00e1t ch\u00e8n ch\u00e2n c\u00e1ch \u0111i\u1ec7n \u0111\u00e3 \u0111\u00f4ng k\u1ebft ch\u1eafc ch\u1eafn th\u00ec ph\u1ea3i s\u01a1n ph\u1ee7 m\u1ed9t l\u1edbp bitum m\u1ecfng 0,1 mm. Tr\u1ee5c c\u1ee7a ch\u00e2n c\u00e1ch \u0111i\u1ec7n \u0111\u1ee9ng ph\u1ea3i b\u1ed1 tr\u00ed th\u1eb3ng \u0111\u1ee9ng ch\u1ec9 cho ph\u00e9p l\u1eafp \u0111\u1eb7t c\u00e1ch \u0111i\u1ec7n \u0111\u1ee9ng v\u1edbi g\u00f3c nghi\u00eang 450<\/sup> \u1edf nh\u1eefng ch\u1ed7 m\u1eafc d\u00e2y th\u1ea3 tr\u00f9ng.<\/p>\n

Nh\u1eefng chi ti\u1ebft ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y n\u1ed1i c\u00e1ch \u0111i\u1ec7n, ki\u1ec3u treo ph\u1ea3i d\u00f9ng ch\u1ed1t ch\u1ebb v\u00e0 \u1edf m\u1ed9ng gh\u00e9p n\u1ed1i ph\u1ea3i d\u00f9ng kho\u00e1 M ch\u1ed1t ch\u1ebb v\u00e0 kho\u00e1 M ph\u1ea3i b\u1eb1ng th\u00e9p v\u00e0 \u0111\u00ad\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y, c\u1ea5m kh\u00f4ng \u0111\u00ad\u1ee3c thay b\u1eb1ng \u0111\u1ed3ng.<\/p>\n

T\u1ea5t c\u1ea3 ch\u1ed1t ch\u1ebb v\u00e0 kho\u00e1 M ph\u1ea3i b\u1ed1 tr\u00ed tr\u00ean m\u1ed9t \u0111\u00ad\u1eddng th\u1eb3ng h\u00ad\u1edbng v\u1ec1 ph\u00eda m\u1eb7t c\u1ed9t n\u1ebfu l\u00e0 c\u1ed9t \u0111\u1ee1 c\u00f2n \u0111\u1ed1i v\u1edbi chu\u00f4i n\u00e9o th\u00ec ph\u1ea3i n\u1eb1m v\u1ec1 ph\u00eda d\u00ad\u1edbi.<\/p>\n

 <\/p>\n

9.7.\u00a0 L\u1eafp r\u00e1p d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t.<\/strong><\/p>\n

 <\/p>\n

D\u00e2y nh\u00f4m v\u00e0 d\u00e2y nh\u00f4m l\u00f5i th\u00e9p khi l\u1eafp r\u00e1p v\u00e0o kho\u00e1 \u0111\u1ee1 ho\u1eb7c n\u00e9o\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 (kho\u00e1 bu l\u00f4ng ho\u1eb7c kho\u00e1 n\u00eam) ph\u1ea3i c\u00f3 t\u1ea5m \u0111\u1ec7m l\u00f3t b\u1eb1ng nh\u00f4m \u0111\u1ec3 b\u1ea3o v\u1ec7, n\u1ebfu l\u00e0 d\u00e2y \u0111\u1ed3ng ph\u1ea3i c\u00f3 t\u1ea5m \u0111\u1ec7m l\u00f3t b\u1eb1ng \u0111\u1ed3ng.<\/p>\n

C\u1ed1 \u0111\u1ecbnh d\u00e2y d\u1eabn v\u00e0o c\u00e1ch \u0111i\u1ec7n \u0111\u1ee9ng b\u1eb1ng c\u00e1ch d\u00f9ng s\u1ee3i d\u00e2y d\u1eabn qu\u1ea5n bu\u1ed9c theo s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 l\u1eafp \u0111\u1eb7t d\u00e2y do thi\u1ebft k\u1ebf quy \u0111\u1ecbnh.<\/p>\n

\u0110\u00ad\u1eddng k\u00ednh s\u1ee3i d\u00e2y d\u1eabn d\u00f9ng \u0111\u1ec3 qu\u1ea5n b\u1ec7n c\u1ed1 \u0111\u1ecbnh d\u00e2y d\u1eabn v\u00e0o c\u00e1ch \u0111i\u1ec7n \u0111\u1ee9ng ph\u1ea3i tu\u00e2n theo b\u1ea3ng VIII-6.<\/p>\n

 <\/p>\n

B\u1ea3ng VIII-6<\/p>\n

 <\/p>\n\n\n\n\n\n
V\u1eadt li\u1ec7u d\u00e2y v\u00e0 d\u00e2y bu\u1ed9c<\/td>\nM\u1eb7t c\u1eaft d\u00e2y d\u1eabn<\/td>\n\u0110\u00ad\u1eddng k\u00ednh s\u1ee3i d\u00e2u bu\u1ed9c mm<\/td>\n<\/tr>\n
Th\u00e9p<\/td>\nb\u1ea5t k\u1ef3<\/td>\n2 + 2,7 mm<\/td>\n<\/tr>\n
Nh\u00f4m<\/td>\nb\u1ea5t k\u1ef3<\/td>\n2,5 + 3,5 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

M\u00e3 hi\u1ec7u v\u00e0 m\u1eb7t c\u1eaft d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf.<\/p>\n

Khi ti\u1ebfn h\u00e0nh n\u1ed1i d\u00e2y d\u1eabn ph\u1ea3i th\u1ef1c hi\u1ec7n nh\u00ad sau:<\/p>\n

 <\/p>\n

a) D\u00e2y gi\u1eb1ng c\u1ee7a c\u1ed9t n\u00e9o: D\u00f9ng kho\u00e1 n\u00e9o bul\u00f4ng, kho\u00e1 n\u00eam, kho\u00e1 n\u00e9o \u00e9p, \u0111\u1ea7u c\u00f3t \u00e9p, pin h\u00e0n nhi\u1ec7t.<\/p>\n

 <\/p>\n

– Khi d\u00e2y nh\u00f4m l\u00f5i th\u00e9p t\u1eeb 95 – 240 mm th\u00ec n\u1ed1i d\u00e2y trong d\u00e2y gi\u1eb1ng d\u00f9ng pin h\u00e0n nhi\u1ec7t.<\/p>\n

– Khi d\u00e2y nh\u00f4m l\u00f5i th\u00e9p m\u1eb7t c\u1eaft t\u1eeb 300 mm tr\u1edf l\u00ean d\u00f9ng \u0111\u1ea7u n\u1ed1i \u00e9p.<\/p>\n

 <\/p>\n

b) Trong kho\u1ea3ng c\u1ed9t: B\u1eb1ng \u1ed1ng n\u1ed1i ki\u1ec3u xo\u1eafn, ki\u1ec3u \u00e9p kh\u1ea5c v\u00e0 \u00e9p to\u00e0n th\u00e2n.<\/p>\n

– \u0110\u1ed1i v\u1edbi d\u00e2y nh\u00f4m m\u1eb7t c\u1eaft t\u1eeb 95 mm. D\u00e2y nh\u00f4m l\u00f5i th\u00e9p m\u1eb7t c\u1eaft t\u1edbi 180 mm v\u00e0 d\u00e2y c\u00e1p th\u00e9p m\u1eb7t c\u1eaft t\u1edbi 50 mm th\u00ec b\u1eb1ng \u1ed1ng n\u1ed1i \u00f4 van ki\u1ec3u xo\u1eafn.<\/p>\n

– \u0110\u1ed1i v\u1edbi d\u00e2y nh\u00f4m m\u1eb7t t\u1eeb 120 \u0111\u1ebfn 185 mm v\u00e0 d\u00e2y d\u1eabn b\u1eb1ng th\u00e9p m\u1eb7t c\u1eaft t\u1eeb 70 – 95 mm b\u1eb1ng \u1ed1ng n\u1ed1i \u00f4 van xo\u1eafn ho\u1eb7c \u00e9p kh\u1ea5c v\u00e0 h\u00e0n pin nhi\u1ec7t b\u1ed5 sung.<\/p>\n

– D\u00e2y nh\u00f4m v\u00e0 d\u00e2y nh\u00f4m l\u00f5i th\u00e9p m\u1eb7t c\u1eaft t\u1eeb 240 mm tr\u1edf l\u00ean b\u1eb1ng kho\u00e1 n\u1ed1i \u00e9p to\u00e0n th\u00e2n.<\/p>\n

 <\/p>\n

Trong m\u1ed7i kho\u1ea3ng c\u1ed9t ch\u1ec9 cho ph\u00e9p kh\u00f4ng nhi\u1ec1u h\u01a1n 1 m\u1ed1i n\u1ed1i.<\/p>\n

Kh\u00f4ng cho ph\u00e9p n\u1ed1i d\u00e2y d\u1eabn v\u00e0 ch\u1ed1ng s\u00e9t trong nh\u1eefng kho\u1ea3ng v\u00ad\u1ee3t giao ch\u00e9o v\u1edbi \u0111\u00ad\u1eddng ph\u1ed1 \u0111\u00f4ng \u0111\u00fac ng\u00ad\u1eddi qua l\u1ea1i. \u0110\u00ad\u1eddng d\u00e2y kh\u00f4ng l\u1edbn h\u01a1n 1000 V, \u0111\u00ad\u1eddng d\u00e2y th\u00f4ng tin, \u0111\u00ad\u1eddng \u00f4 t\u00f4, \u0111\u00ad\u1eddng s\u1eaft, \u0111\u00ad\u1eddng c\u00e1p … cho c\u00e1c lo\u1ea1i d\u00e2y d\u1eabn m\u1eb7t c\u1eaft nh\u1ecf h\u01a1n 240mm.<\/p>\n

 <\/p>\n

Ch\u1ec9 cho ph\u00e9p m\u1ed9t m\u1ed1i n\u1ed1i \u1edf c\u00e1c \u0111o\u1ea1n giao ch\u00e9o k\u1ec3 tr\u00ean cho c\u00e1c lo\u1ea1i d\u00e2y d\u1eabn m\u1eb7t c\u1eaft l\u1edbn h\u01a1n 240mm.<\/p>\n

 <\/p>\n

Kho\u1ea3ng c\u00e1ch nh\u1ecf nh\u1ea5t t\u1eeb m\u1ed1i n\u1ed1i \u0111\u1ebfn kho\u00e1 \u0111\u1ee1 ki\u1ec3u tr\u00ad\u1ee3t ph\u1ea3i kh\u00f4ng nh\u1ecf h\u01a1n 25 m. \u0110\u1ed9 b\u1ec1n k\u1eb9p ch\u1eb7t d\u00e2y d\u1eabn trong \u1ed1ng n\u1ed1i v\u00e0 kho\u00e1 n\u00e9o kh\u00f4ng \u0111\u00ad\u1ee3c nh\u1ecf h\u01a1n 90% \u0111\u1ed9 b\u1ec1n gi\u1edbi h\u1ea1n c\u1ee7a d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t \u0111\u00ad\u1ee3c n\u1ed1i.\u00a0 Sai l\u1ec7ch k\u00edch th\u00ad\u1edbc \u1ed1ng n\u1ed1i kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1 sai s\u1ed1 cho ph\u00e9p c\u1ee7a nh\u00e0 ch\u1ebf t\u1ea1o, sau khi \u00e9p ho\u1eb7c xo\u1eafn n\u1ebfu \u1ed1ng n\u1ed1i xu\u1ea5t hi\u1ec7n v\u1ebft n\u1ee9t th\u00ec ph\u1ea3i lo\u1ea1i b\u1ecf.<\/p>\n

 <\/p>\n

\u1ed0ng n\u1ed1i v\u00e0 kho\u00e1 n\u00e9o c\u0169ng nh\u00ad h\u00e0m \u00e9p ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u00e3 hi\u1ec7u c\u1ee7a d\u00e2y. Trong 1 b\u1ed9 h\u00e0m t\u1eeb c\u1ea3 hai n\u1eeda ph\u1ea3i c\u00f9ng th\u1ed1ng nh\u1ea5t 1 m\u00e3 hi\u1ec7u, \u0111\u00ad\u1eddng k\u00ednh h\u00e0m \u00e9p ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi quy tr\u00ecnh \u00e9p \u0111\u1ed5i d\u00e2y, sai s\u1ed1 cho ph\u00e9p v\u1ec1 \u0111\u00ad\u1eddng k\u00ednh ti\u00eau chu\u1ea9n c\u1ee7a h\u00e0m \u00e9p kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1 0,2 mm v\u00e0 \u0111\u00ad\u1eddng k\u00ednh c\u1ee7a kho\u00e1 sau khi \u00e9p kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1 \u0111\u00ad\u1eddng k\u00ednh c\u1ee7a h\u00e0m \u00e9p ti\u00eau chu\u1ea9n l\u00e0 0,3 mm, n\u1ebfu sau khi \u00e9p kh\u00f4ng tho\u1ea3 m\u00e3n \u0111\u00ad\u1ee3c \u0111i\u1ec1u ki\u1ec7n k\u1ec3 tr\u00ean th\u00ec ph\u1ea3i \u00e9p l\u1ea1i theo m\u1ed9t b\u1ed9 h\u00e0m \u00e9p m\u1edbi c\u00f9ng lo\u1ea1i. N\u1ebfu sau khi \u00e9p l\u1ea1i v\u1eabn kh\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u00ad\u1ee3c theo \u0111\u00ad\u1eddng k\u00ednh y\u00eau c\u1ea7u th\u00ec ph\u1ea3i c\u1eaft b\u1ecf thay b\u1eb1ng kho\u00e1 n\u00e9o ho\u1eb7c \u1ed1ng n\u1ed1i m\u1edbi.<\/p>\n

 <\/p>\n

Nh\u1eefng y\u00eau c\u1ea7u c\u01a1 b\u1ea3n \u0111\u1ed1i v\u1edbi \u1ed1ng n\u1ed1i v\u00e0 kho\u00e1 n\u00e9o bao g\u1ed3m:<\/p>\n

 <\/p>\n

– K\u00edch th\u00ad\u1edbc h\u00ecnh h\u1ecdc ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u quy tr\u00ecnh l\u1eafp r\u00e1p c\u1ee7a ki\u1ec3u kho\u00e1.<\/p>\n

– Tr\u00ean b\u1ec1 m\u1eb7tc\u1ee7a \u1ed1ng n\u1ed1i ho\u1eb7c kho\u00e1 n\u00e9o kh\u00f4ng \u0111\u00ad\u1ee3c c\u00f3 v\u1ebft n\u1ee9t, han g\u1ec9 \u0111\u00e1ng k\u1ec3 v\u00e0 h\u00ad h\u1ecfng ph\u1ea7n c\u01a1 kh\u00eda ch\u1ecbu l\u1ef1c.<\/p>\n

– \u0110\u1ed9 cong v\u00eanh c\u1ee7a kho\u00e1 sau khi \u00e9p kh\u00f4ng \u0111\u00ad\u1ee3c l\u1edbn h\u01a1n 3% so v\u1edbi chi\u1ec1u d\u00e0i c\u1ee7a kho\u00e1.<\/p>\n

– \u1ed0ng th\u00e9p c\u1ee7a \u1ed1ng n\u1ed1i \u00e9p ph\u1ea3i b\u1ed1 tr\u00ed c\u00e2n \u0111\u1ed1i trong v\u1ecf nh\u00f4m.<\/p>\n

– Tr\u1ecb s\u1ed1 s\u1ee5t \u00e1p ho\u1eb7c \u0111i\u1ec7n tr\u1edf \u1edf trong kho\u00e1 hay \u1ed1ng n\u1ed1i, kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1 1,2 l\u1ea7n tr\u1ecb s\u1ed1 s\u1ee5t \u00e1p ho\u1eb7c \u0111i\u1ec7n tr\u1edf c\u1ee7a \u0111o\u1ea1n d\u00e2y d\u1eabn c\u00f3 c\u00f9ng chi\u1ec1u d\u00e0i.<\/p>\n

 <\/p>\n

Nh\u1eefng \u1ed1ng n\u1ed1i v\u00e0 kho\u00e1 n\u00e9o, kho\u00e1 \u0111\u1ee1 kh\u00f4ng \u0111\u00ad\u1ee3c nghi\u1ec7m thu k\u1ef9 thu\u1eadt, kh\u00f4ng c\u00f3 ch\u1ee9ng ch\u1ec9 xu\u1ea5t x\u00ad\u1edfng, ph\u1ea3i lo\u1ea1i b\u1ecf kh\u00f4ng \u0111\u00ad\u1ee3c d\u00f9ng.<\/p>\n

 <\/p>\n

H\u00e0n pin nhi\u1ec7t n\u1ed1i d\u00e2y ph\u1ea3i th\u1ef1c hi\u1ec7n theo \u0111\u00fang quy tr\u00ecnh k\u1ef9 thu\u1eadt. Khi th\u1ef1c hi\u1ec7n m\u1ed1i h\u00e0n pin nhi\u1ec7t ph\u1ea3i tu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u sau \u0111\u00e2y:<\/p>\n

 <\/p>\n

Kh\u00f4ng \u0111\u00ad\u1ee3c \u0111\u1ed1t ch\u00e1y c\u00e1c s\u1ee3i d\u00e2y d\u1eabn, r\u1ed7 \u1edf ch\u1ed7 h\u00e0n ph\u1ea3i \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 \u0111\u1ed9 s\u00e2u b\u1eb1ng 1\/3 \u0111\u00ad\u1eddng k\u00ednh c\u1ee7a s\u1ee3i d\u00e2y d\u1eabn, ngo\u00e0i ra kh\u00f4ng \u0111\u00ad\u1ee3c l\u00e0m cho d\u00e2y b\u1ecb u\u1ed1n cong \u1edf ch\u1ed7 h\u00e0n. N\u1ebfu m\u1ed1i h\u00e0n kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u k\u1ec3 tr\u00ean th\u00ec ph\u1ea3i lo\u1ea1i b\u1ecf.<\/p>\n

 <\/p>\n

Khi d\u00e2y d\u1eabn nhi\u1ec1u s\u1ee3i b\u1ecb h\u00ad h\u1ecfng ( \u0111\u1ee9t m\u1ed9t s\u1ed1 s\u1ee3i ) ph\u1ea3i ti\u1ebfn h\u00e0nh xem x\u00e9t n\u1ebfu trong ph\u1ea1m v\u1ecb cho ph\u00e9p th\u00ec qu\u1ea5n b\u1ea3o d\u00ad\u1ee1ng ho\u1eb7c l\u1eafp \u0111\u1eb7t \u1ed1ng v\u00e0 n\u1ebfu kh\u00f4ng c\u00f2n trong ph\u1ea1m vi cho ph\u00e9p ph\u1ea3i c\u1eaft n\u1ed1i b\u1eb1ng \u1ed1ng n\u1ed1i.<\/p>\n

 <\/p>\n

C\u00e1c d\u1ea1ng s\u1eeda ch\u1eefa d\u00e2y d\u1eabn h\u00ad h\u1ecfng ph\u1ea3i tu\u00e2n theo b\u1ea3ng VIII-7 sau \u0111\u00e2y:<\/p>\n

 <\/p>\n\n\n\n\n\n\n
S\u1ed1 l\u00ad\u1ee3ng s\u1ee3i d\u00e2y \u0111\u1ee9t<\/td>\nS\u1ed1 s\u1ee3i d\u00e2y \u0111\u1ee9t ho\u1eb7c thi\u1ebfu tr\u00ean \u0111\u1ed9 d\u00e0i 15 m<\/td>\nD\u1ea1ng s\u1eeda ch\u1eefa<\/td>\n<\/tr>\n
\n

6 – 19<\/p>\n

24 – 30<\/p>\n

37 – 54<\/p>\n

61 – 96<\/p>\n<\/td>\n

\n

1<\/p>\n

t\u1edbi 3<\/p>\n

– 4<\/p>\n

– 5<\/p>\n<\/td>\n

Ch\u1ed7 s\u1ee3i \u0111\u1ee9t qu\u1ea5n \u0111ai b\u1ea3o d\u00ad\u1ee1ng b\u00f9 v\u00e0o ch\u1ed7 thi\u1ebfu v\u00e0 \u0111\u1eb7t \u1ed1ng v\u00e1<\/td>\n<\/tr>\n
\n

6 – 7<\/p>\n

18 – 19<\/p>\n

24 – 30<\/p>\n

37 – 54<\/p>\n

61 – 96<\/p>\n<\/td>\n

\n

2<\/p>\n

3 – 5<\/p>\n

4 – 8<\/p>\n

5 – 10<\/p>\n

6 – 13<\/p>\n<\/td>\n

Ch\u1ed7 s\u1ee3i \u0111\u1ee9t v\u00e0 ch\u1ed7 thi\u1ebfu s\u1ee3i ph\u1ea3i qu\u1ea5n \u0111ai b\u1ea3o d\u00ad\u1ee1ng b\u00f9 v\u00e0o ch\u1ed7 thi\u1ebfu ho\u1eb7c \u0111\u1eb7t \u1ed1ng v\u00e1<\/td>\n<\/tr>\n
\n

6 – 7<\/p>\n

18 – 19<\/p>\n

24 – 30<\/p>\n

37 – 54<\/p>\n

61 – 96<\/p>\n<\/td>\n

\n

3<\/p>\n

6<\/p>\n

9<\/p>\n

11<\/p>\n

14<\/p>\n<\/td>\n

 <\/p>\n

 <\/p>\n

Ph\u1ea7n h\u00ad h\u1ecfng ph\u1ea3i c\u1eaft b\u1ecf v\u00e0 \u0111\u1eb7t m\u1ed9t \u1ed1ng n\u1ed1i \u0111\u1ec3 n\u1ed1i d\u00e2y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u0110\u1ed1i v\u1edbi ch\u1ed7 h\u00ad h\u1ecfng c\u1ee5c b\u1ed9 c\u1ee7a d\u00e2y d\u1eabn ( ch\u1ed7 l\u00f5m c\u00f3 chi\u1ec1u s\u00e2u v\u00ad\u1ee3t qu\u00e1 b\u00e1n k\u00ednh c\u1ee7a s\u1ee3i d\u00e2y ) th\u00ec d\u1ea1ng s\u1eeda ch\u1eefa c\u0169ng theo b\u1ea3ng VIII-7 v\u00e0 t\u00ednh v\u1edbi 3 s\u1ee3i h\u00ad h\u1ecfng c\u1ee5c b\u1ed9 t\u00ad\u01a1ng \u1ee9ng v\u1edbi hai s\u1ee3i \u0111\u1ee9t. Khi tr\u00ean d\u00e2y d\u1eabn c\u00f3 l\u1edbp d\u00e2y ph\u00eda ngo\u00e0i b\u1ecb ph\u1ed3ng m\u1ed9t \u0111o\u1ea1n L mm th\u00ec \u1edf ch\u1ed7 h\u00ad h\u1ecfng \u0111\u00f3 s\u1ebd \u0111\u1eb7t m\u1ed9t \u1ed1ng v\u00e1 c\u00f3 chi\u1ec1u d\u00e0i L + 100 mm, ho\u1eb7c \u0111\u1eb7t hai \u1ed1ng v\u00e1 c\u00f3 chi\u1ec1u d\u00e0i nh\u1ecf h\u01a1n \u0111\u1eb7t c\u00e1ch nhau m\u1ed9t \u0111o\u1ea1n 20 mm.<\/p>\n

 <\/p>\n

Khi r\u1ea3i d\u00e2y d\u1eabn ph\u1ea3i \u0111\u1eb7t d\u00e2y tr\u00ean c\u00e1p r\u00f2ng r\u1ecdc treo tr\u00ean c\u1ed9t ph\u1ea3i d\u00f9ng bi\u1ec7n ph\u00e1p ch\u1ed1ng h\u00ad h\u1ecfng d\u00e2y theo b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ea5t \u0111\u00e1 v\u00e0 c\u00e1c v\u1eadt c\u1ea3n kh\u00e1c tr\u00ean \u0111\u1ecba h\u00ecnh.<\/p>\n

R\u1ea3i d\u00e2y qua \u0111\u00ad\u1eddng ph\u1ea3i \u0111\u1eb7t d\u00e2y n\u1eb1m tr\u00ean d\u00e0n gi\u00e1o \u1edf \u0111\u1ed9 cao quy \u0111\u1ecbnh. Trong tr\u00ad\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft \u1edf nh\u1eefng ch\u1ed7 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u00ad h\u1ecfng d\u00e2y th\u00ec ph\u1ea3i c\u00f3 bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 b\u1ea3o v\u1ec7 d\u00e2y.<\/p>\n

 <\/p>\n

L\u1eafp r\u00e1p d\u00e2y d\u1eabn trong kho\u1ea3ng v\u00ad\u1ee3t ph\u1ea3i ti\u1ebfn h\u00e0nh theo th\u1eddi gian cho ph\u00e9p c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd c\u00f4ng tr\u00ecnh d\u00ad\u1edbi kho\u1ea3ng v\u00ad\u1ee3t \u0111\u00f3 v\u00e0 c\u1ea7n c\u00f3 s\u1ef1 gi\u00e1m s\u00e1t c\u1ee7a c\u01a1 quan n\u00e0y.<\/p>\n

 <\/p>\n

\u0110\u1ed9 v\u00f5ng khi l\u1eafp d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf. Sai s\u1ed1 cho ph\u00e9p kh\u00f4ng qu\u00e1 5% v\u1edbi \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch t\u1edbi \u0111\u1ea5t ho\u1eb7c t\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh kh\u00e1c ph\u1ea3i theo \u0111\u00fang quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n ( QT\u0110 ).<\/p>\n

 <\/p>\n

Ch\u00eanh l\u1ec7ch \u0111\u1ed9 v\u00f5ng c\u1ee7a d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t trong c\u00f9ng m\u1ed9t kho\u1ea3ng c\u1ed9t kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1 10%. Ng\u1eafm \u0111\u1ed9 v\u00f5ng d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh trong nh\u1eefng kho\u1ea3ng c\u1ed9t xa nh\u1ea5t v\u00e0 kho\u1ea3ng g\u1ea7n nh\u1ea5t \u0111\u1ebfn thi\u1ebft b\u1ecb k\u00e9o d\u00e2y.<\/p>\n

 <\/p>\n

\u0110\u1ed9 l\u1ec7ch chu\u1ed7i c\u00e1ch \u0111i\u1ec7n \u0111\u1ee1 d\u1ecdc tuy\u1ebfn so v\u1edbi ph\u00ad\u01a1ng th\u1eb3ng \u0111\u1ee9ng kh\u00f4ng \u0111\u00ad\u1ee3c v\u00ad\u1ee3t qu\u00e1:<\/p>\n

 <\/p>\n

– 50 mm \u0111\u1ed1i v\u1edbi \u0110DK \u0111i\u1ec7n \u00e1p 35 KV .<\/p>\n

– 100 mm \u0111\u1ed1i v\u1edbi \u0110DK \u0111i\u1ec7n \u00e1p 110 KV.<\/p>\n

– 200 mm \u0111\u1ed1i v\u1edbi \u0110DK \u0111i\u1ec7n \u00e1p 220 KV<\/p>\n

 <\/p>\n

Kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u1ed1ng rung v\u00e0 kho\u00e1 n\u00e9o, kho\u00e1 \u0111\u1ee1 ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf v\u1edbi sai s\u1ed1 kh\u00f4ng qu\u00e1 \u00b1 25 mm.<\/p>\n

 <\/p>\n

Kho\u1ea3ng c\u00e1ch t\u1eeb d\u00e2y d\u1eabn t\u1edbi m\u1eb7t \u0111\u1ea5t v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng ph\u1ea3i tho\u1ea3 m\u00e3n c\u00e1c y\u00eau c\u1ea7u c\u1ee7a quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n QT\u0110.<\/p>\n

 <\/p>\n

Kho\u1ea3ng c\u00e1ch gi\u1eefa d\u00e2y d\u1eabn v\u00e0 c\u1ed9t \u0111i\u1ec7n c\u0169ng nh\u00ad kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c d\u00e2y d\u1eabn tr\u00ean c\u1ed9t khi ch\u00fang giao nhau \u1edf ch\u1ed7 \u0111\u1ea3o pha r\u1ebd nh\u00e1nh ho\u1eb7c chuy\u1ec3n \u0111\u1ed5i v\u1ecb tr\u00ed kh\u00f4ng \u0111\u00ad\u1ee3c nh\u1ecf h\u01a1n k\u00edch th\u00ad\u1edbc thi\u1ebft k\u1ebf 10%.<\/p>\n

 <\/p>\n

 <\/p>\n

9.8 -L\u1eafp \u0111\u1eb7t ch\u1ed1ng s\u00e9t \u1ed1ng.<\/strong><\/p>\n

 <\/p>\n

L\u1eafp \u0111\u1eb7t ch\u1ed1ng s\u00e9t \u1ed1ng tr\u00ean c\u1ed9t \u0111i\u1ec7n ph\u1ea3i theo \u0111\u00fang thi\u1ebft k\u1ebf v\u00e0 s\u01a1 \u0111\u1ed3 c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o, \u0111\u1ed3ng th\u1eddi ph\u1ea3i \u0111\u1ec3 pin ph\u00f3ng \u0111i\u1ec7n d\u1ec5 nh\u00ecn th\u1ea5y t\u1eeb m\u1eb7t \u0111\u1ea5t.<\/p>\n

Khe h\u1edf ph\u00f3ng \u0111i\u1ec7n ngo\u00e0i ph\u1ea3i l\u1eafp \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o lo\u1ea1i tr\u1eeb kh\u1ea3 n\u0103ng ph\u00f3ng \u0111i\u1ec7n do n\u00ad\u1edbc m\u00ada ch\u1ea3y t\u1eeb m\u1ecf ph\u00f3ng \u0111i\u1ec7n tr\u00ean xu\u1ed1ng m\u1ecf ph\u00f3ng \u0111i\u1ec7n d\u00ad\u1edbi. Ch\u1ed1ng s\u00e9t \u1ed1ng ph\u1ea3i l\u1eafp c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn v\u00e0o c\u1ed9t v\u00e0 \u0111\u1ea3m b\u1ea3o ti\u1ebfp \u0111\u1ea5t t\u1ed1t.<\/p>\n

 <\/p>\n

Khi l\u1eafp ch\u1ed1ng s\u00e9t \u1ed1ng ph\u1ea3i ki\u1ec3m tra \u0111\u00ad\u1eddng k\u00ednh trong c\u1ee7a \u1ed1ng. \u1ed0ng ch\u1ed1ng s\u00e9t kh\u00f4ng c\u00f3 v\u1ebft r\u1ea1n n\u1ee9t.<\/p>\n

 <\/p>\n

– Gi\u00e1 \u0111\u1ee1 v\u00e0 m\u00e1 ph\u00f3ng ph\u1ea3i c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng g\u1ec9.<\/p>\n

– Khe h\u1edf ngo\u00e0i ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng cho ph\u00e9p v\u00ad\u1ee3t qu\u00e1 10% so v\u1edbi quy \u0111\u1ecbnh c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

– V\u00f9ng t\u1ea3n h\u01a1i ph\u1ee5t c\u1ee7a ch\u1ed1ng s\u00e9t \u1ed1ng kh\u00f4ng \u0111\u00ad\u1ee3c c\u1eaft ngang c\u00e1c ph\u1ea7n t\u1eed c\u1ee7a c\u1ed9t, d\u00e2y.<\/p>\n

– Mi\u1ebfng t\u00f4n b\u00e1o hi\u1ec7u ch\u1ed1ng s\u00e9t t\u00e1c \u0111\u1ed9ng ph\u1ea3i \u0111\u1eb7t v\u00e0o \u0111\u1ea7u \u1ed1ng ch\u1ed1ng s\u00e9t, kh\u00f4ng \u0111\u00ad\u1ee3c \u0111\u1ec3 l\u00f2ng th\u00f2ng.<\/p>\n

 <\/p>\n

9.9- \u0110\u00e1nh s\u1ed1 hi\u1ec7u v\u00e0 s\u01a1n.<\/strong><\/p>\n

 <\/p>\n

Tr\u00ean nh\u1eefng c\u1ed9t \u0111i\u1ec7n \u1edf \u0111\u1ed9 cao t\u1eeb 2,5 – 3 m, ph\u1ea3i k\u1ebb s\u1ed1 hi\u1ec7u th\u1ee9 t\u1ef1 c\u1ed9t. S\u1ed1 hi\u1ec7u \u0110DK ph\u1ea3i c\u00f3 \u1edf hai c\u1ed9t \u0111\u1ea7u v\u00e0 cu\u1ed1i tuy\u1ebfn d\u00e2y, \u1edf nh\u1eefng c\u1ed9t giao ch\u00e9o v\u1edbi \u0111\u00ad\u1eddng d\u00e2y c\u00f3 c\u00f9ng \u0111i\u1ec7n \u00e1p, \u0111\u00ad\u1eddng s\u1eaft v\u00e0 \u0111\u00ad\u1eddng \u00f4 t\u00f4 t\u1eeb c\u1ea5p I-V v\u00e0 tr\u00ean t\u1ea5t c\u1ea3 nh\u1eefng c\u1ed9t ch\u1ea1y song song v\u1edbi \u0110DK c\u00f3 kho\u1ea3ng c\u00e1ch tr\u1ee5c tuy\u1ebfn nh\u1ecf h\u01a1n 200 m.<\/p>\n

– \u1ede tr\u00ean nh\u1eefng c\u1ed9t \u0110DK nhi\u1ec1u m\u1ea1ch c\u00f3 \u0111i\u1ec7n \u00e1p t\u1eeb 35 KV tr\u1edf l\u00ean \u1edf nh\u1eefng c\u1ed9t cu\u1ed1i, \u1edf nh\u1eefng c\u1ed9t k\u1ec1 v\u1edbi c\u1ed9t \u0111\u1ea3o pha v\u00e0 tr\u00ean nh\u1eefng c\u1ed9t ph\u00e2n nh\u00e1nh.<\/p>\n

 <\/p>\n

Bi\u1ec3n b\u00e1o nguy hi\u1ec3m c\u1ea5m tr\u00e8o ph\u1ea3i \u0111\u1eb7t tr\u00ean t\u1ea5t c\u1ea3 nh\u1eefng c\u1ed9t trong v\u00f9ng d\u00e2n c\u00ad \u0111\u00f4ng \u0111\u00fac c\u00f2n \u1edf c\u00e1c v\u00f9ng kh\u00e1c \u0111\u1eb7t c\u00e1ch m\u1ed9t c\u1ed9t.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c bi\u1ec3n k\u00fd m\u00e3 hi\u1ec7u s\u1ed1 th\u1ee9 t\u1ef1 c\u1ed9t v\u00e0 k\u00fd hi\u1ec7u \u0110DK ph\u1ea3i \u0111\u1eb7t ph\u00eda h\u00f4ng c\u1ed9t v\u1ec1 ph\u00eda tr\u00e1i ho\u1eb7c ph\u00eda ph\u1ea3i tuy\u1ebfn d\u00e2y. C\u00f2n \u1edf c\u1ed9t v\u00ad\u1ee3t \u0111\u00ad\u1eddng th\u00ec \u1edf m\u1eb7t h\u00ad\u1edbng v\u1ec1 ph\u00eda \u0111\u00ad\u1eddng \u0111\u1ec3 d\u1ec5 nh\u00ecn th\u1ea5y.<\/p>\n

 <\/p>\n

Nh\u1eefng c\u1ed9t s\u1eaft, x\u00e0 s\u1eaft v\u00e0 c\u00e1c chi ti\u1ebft kim lo\u1ea1i c\u1ee7a m\u00f3ng c\u1ed9t v\u00e0 tr\u1ee5 m\u00f3ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i th\u1ef1c hi\u1ec7n ch\u1ed1ng r\u1ec9 ch\u1ee7 y\u1ebfu t\u1ea1i nh\u00e0 m\u00e1y ch\u1ebf t\u1ea1o. Tr\u00ean tuy\u1ebfn ch\u1ec9 cho ph\u00e9p s\u01a1n l\u1ea1i \u1edf nh\u1eefng ch\u1ed7 h\u00ad h\u1ecfng.<\/p>\n

Ch\u1ed7 h\u00e0n n\u1ed1i l\u1eafp r\u00e1p c\u1ee7a c\u1ed9t th\u00e9p ph\u1ea3i s\u01a1n l\u1ea1i sau khi h\u00e0n.<\/p>\n

Kh\u00f4ng \u0111\u00ad\u1ee3c s\u01a1n ch\u1ed7 n\u1ed1i c\u1ed9t v\u1edbi h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t, kh\u00f4ng \u0111\u00ad\u1ee3c s\u01a1n c\u00e1c chi ti\u1ebft ch\u00f4n ng\u1ea7m trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111\u1ec3 li\u00ean k\u1ebft l\u1eafp gh\u00e9p. Tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac li\u00ean k\u1ebft l\u1eafp r\u00e1p gi\u1eefa c\u00e1c \u0111o\u1ea1n c\u1ed9t kh\u00f4ng \u0111\u00ad\u1ee3c s\u01a1n.<\/p>\n

C\u1ea5m s\u01a1n l\u1ea1i nh\u1eefng ch\u1ed7 h\u00ad h\u1ecfng l\u1edbp b\u1ea3o v\u1ec7 ch\u1ed1ng r\u1ec9 c\u1ee7a k\u1ebft c\u1ea5u v\u00e0 chi ti\u1ebft kim lo\u1ea1i \u1edf tr\u00ean tuy\u1ebfn trong th\u1eddi gian m\u00ada v\u00e0 b\u1ec1 m\u1eb7t kim lo\u1ea1i b\u1ecb \u1ea9m \u00ad\u1edbt.<\/p>\n

 <\/p>\n

9.10 – Nghi\u1ec7m thu b\u00e0n giao c\u00f4ng tr\u00ecnh \u0111\u00ada v\u00e0o khai th\u00e1c.<\/strong><\/p>\n

 <\/p>\n

Nghi\u1ec7m thu c\u00e1c c\u00f4ng vi\u1ec7c x\u00e2y l\u1eafp \u0111\u00e3 ho\u00e0n th\u00e0nh ph\u1ea3i tu\u00e2n theo quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n ( QT\u0110) v\u00e0 c\u00e1c quy ph\u1ea1m v\u1ec1 n\u1ec1n m\u00f3ng, k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o c\u00e1ch \u0111i\u1ec7n v\u00e0 ph\u1ee5 ki\u1ec7n m\u1eafc d\u00e2y.<\/p>\n

Nghi\u1ec7m thu c\u00f4ng tr\u00ecnh kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ti\u1ebfn h\u00e0nh sau khi c\u00f4ng tr\u00ecnh \u0111\u00e3 ho\u00e0n th\u00e0nh to\u00e0n b\u1ed9, m\u00e0 c\u00f3 th\u1ec3 ti\u00e9n h\u00e0nh t\u1eebng ph\u1ea7n theo s\u1ef1 tho\u1ea3 thu\u1eadn gi\u1eefa b\u00ean x\u00e2y d\u1ef1ng v\u00e0 b\u00ean giao th\u1ea7u.<\/p>\n

 <\/p>\n

B\u00ean giao th\u1ea7u ph\u1ea3i c\u00f3 ng\u00ad\u1eddi \u0111\u1ea1i di\u1ec7n \u0111\u1ec3 ki\u1ec3m tra c\u00e1c c\u00f4ng vi\u1ec7c theo ti\u1ebfn tr\u00ecnh x\u00e2y l\u1eafp \u0110DK k\u1ec3 c\u1ea3 ” ph\u1ea7n b\u1ecb che ph\u1ee7 ho\u1eb7c l\u1ea5p ” v\u00e0 l\u1eadp bi\u00ean b\u1ea3n x\u00e1c nh\u1eadn.<\/p>\n

N\u1ebfu b\u00ean giao th\u1ea7u kh\u00f4ng th\u1ef1c hi\u1ec7n vi\u1ec7c ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu tr\u00ean hi\u1ec7n tr\u00ad\u1eddng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng th\u00ec vi\u1ec7c ki\u1ec3m tra ch\u1ea5t l\u00ad\u1ee3ng v\u00e0 l\u1eadp bi\u00ean b\u1ea3n nghi\u1ec7m thu v\u1eabn ti\u1ebfn h\u00e0nh do b\u00ean x\u00e2y l\u1eafp l\u00e0m.<\/p>\n

 <\/p>\n

Sau khi k\u1ebft th\u00fac c\u00f4ng vi\u1ec7c l\u1eafp r\u00e1p d\u00e2y d\u1eabn v\u00e0 d\u00e2y ch\u1ed1ng s\u00e9t trong m\u1ed9t kho\u1ea3ng n\u00e9o ri\u00eang bi\u1ec7t th\u00ec b\u00ean x\u00e2y l\u1eafp c\u00f3 th\u1ec3 \u0111\u1ec1 ngh\u1ecb v\u1edbi b\u00ean giao th\u1ea7u ti\u1ebfn h\u00e0nh ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu ch\u1ea5t l\u00ad\u1ee3ng trong kho\u1ea3ng n\u00e9o \u0111\u00f3.<\/p>\n

 <\/p>\n

Khi b\u00e0n giao \u0111\u00ada c\u00f4ng tr\u00ecnh v\u00e0o khai th\u00e1c th\u00ec b\u00ean x\u00e2y l\u1eafp ph\u1ea3i giao cho H\u1ed9i \u0111\u1ed3ng nghi\u1ec7m thu nh\u1eefng t\u00e0i li\u00ea\u1ee5 sau \u0111\u00e2y:<\/p>\n

 <\/p>\n

– \u0110\u1ec1 \u00e1n thi\u1ebft k\u1ebf c\u00f4ng tr\u00ecnh.<\/p>\n

– Nh\u1eefng t\u00e0i li\u1ec7u thay \u0111\u1ed5i thi\u1ebft k\u1ebf.<\/p>\n

– Nh\u1eefng bi\u00ean b\u1ea3n x\u00e1c nh\u1eadn ch\u1ea5t l\u00ad\u1ee3ng m\u00f3ng v\u00e0 ti\u1ebfp \u0111\u1ecba.<\/p>\n

– C\u00e1c bi\u00ean b\u1ea3n \u0111o \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t.<\/p>\n

– Bi\u00ean b\u1ea3n x\u00e1c nh\u1eadn ch\u1ed7 giao ch\u00e9o v\u00e0 v\u00ad\u1ee3t s\u00f4ng \u0111\u00e3 \u0111\u00ad\u1ee3c c\u00e1c c\u01a1 quan qu\u1ea3n l\u00fd c\u00f4ng tr\u00ecnh li\u00ean quan tho\u1ea3 thu\u1eadn.<\/p>\n

– B\u1ea3n li\u1ec7t k\u00ea nh\u1eefng c\u00f4ng vi\u1ec7c l\u00e0m sai v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

– Nh\u1eefng v\u0103n b\u1ea3n ph\u00e1p l\u00fd v\u1ec1 s\u1eed d\u1ee5ng \u0111\u1ea5t cho tuy\u1ebfn \u0110 D K v\u00e0c\u00e1c t\u00e0i li\u1ec7u v\u1ec1 \u0111\u1ec1n b\u00f9 ph\u1ea7n \u0111\u1ea5t d\u00ad\u1edbi tuy\u1ebfn d\u00e2y \u0111\u00e3 \u0111\u00ad\u1ee3c c\u00e1c c\u01a1 quan h\u1eefu quan ph\u00ea duy\u1ec7t.<\/p>\n

– B\u1ea3n li\u1ec7t k\u00ea c\u00e1c v\u1eadt t\u00ad d\u1ef1 ph\u00f2ng c\u1ee7a c\u00f4ng tr\u00ecnh ( n\u1ebfu c\u00f3 )<\/p>\n

H\u1ed3 s\u01a1 \u0111\u00ad\u1ee3c l\u00adu tr\u1eef theo ch\u1ebf \u0111\u1ed9 \u0111\u1eb7c bi\u1ec7t \u0111\u1ebfn khi c\u00f4ng tr\u00ecnh s\u1eed d\u1ee5ng , khai th\u00e1c \u0111\u00e3 ho\u00e0n v\u1ed1n \u0111\u1ea7u t\u00ad.\/.<\/p>\n

C\u00e2u h\u1ecfi : <\/strong><\/em>l\u01b0\u1edbi an to\u00e0n ban c\u00f4ng c\u01a1 kh\u00ed azhome<\/strong><\/span>
\nM\u1eadt kh\u1ea9u:<\/strong> 2011XXX (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":"

\u0110\u01af\u1edcNG D\u00c2Y CAO TH\u1ebe: C\u00f3 \u0111i\u1ec7n \u00e1p t\u1eeb (110kV- 220 kV \u0111\u1ebfn -500kV): B\u1ecb ph\u00f3ng \u0111i\u1ec7n khi vi ph\u1ea1m kho\u1ea3ng c\u00e1ch an to\u00e0n ghi \u1edf bi\u1ec3u t\u1ea1i m\u1ee5c 4 c\u1ee7a b\u00e0i n\u00e0y. C\u00e1c \u0111\u01b0\u1eddng d\u00e2y n\u00e0y th\u01b0\u1eddng s\u1eed d\u1ee5ng d\u00e2y tr\u1ea7n, g\u1eafn tr\u00ean c\u1ed9t qua c\u00e1c chu\u1ed7i s\u1ee9 c\u00e1ch \u0111i\u1ec7n l\u1eafp tr\u00ean c\u00e1c lo\u1ea1i c\u1ed9t:…<\/p>\n","protected":false},"author":1,"featured_media":754,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-488","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\/488","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=488"}],"version-history":[{"count":11,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/488\/revisions"}],"predecessor-version":[{"id":11361,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/488\/revisions\/11361"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/754"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}