{"id":395,"date":"2019-06-22T07:50:15","date_gmt":"2019-06-22T07:50:15","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=395"},"modified":"2025-04-03T06:48:25","modified_gmt":"2025-04-03T06:48:25","slug":"lap-bien-phap-thi-cong-tram-bts-tai-dien-bien","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=395","title":{"rendered":"L\u1eadp bi\u1ec7n ph\u00e1p thi c\u00f4ng Tr\u1ea1m BTS t\u1ea1i \u0110i\u1ec7n Bi\u00ean"},"content":{"rendered":"

Download L\u1eadp bi\u1ec7n ph\u00e1p thi c\u00f4ng Tr\u1ea1m BTS t\u1ea1i \u0110i\u1ec7n Bi\u00ean<\/p>\n

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

Password gi\u1ea3i n\u00e9n n\u1eb1m \u1edf cu\u1ed1i ph\u1ea7n m\u00f4 t\u1ea3.<\/p>\n

Trong qu\u00e1 tr\u00ecnh l\u00e0m h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u<\/a><\/strong> th\u00ec bi\u1ec7n ph\u00e1p thi c\u00f4ng l\u00e0 b\u1ed9 ph\u1eadn c\u1ea5u th\u00e0nh quy\u1ec3n h\u1ed3 s\u01a1. H\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng xin g\u1eedi thuy\u1ebft minh tr\u1ea1m BTS \u0111\u1ec3 c\u00e1c b\u1ea1n tham kh\u1ea3o trong qu\u00e1 tr\u00ecnh l\u1eadp h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u :<\/p>\n

>>> Xem th\u00eam: <\/span>\u00a0<\/b>D\u1ef1 to\u00e1n thi c\u00f4ng tr\u1ea1m BTS<\/strong><\/span><\/a><\/span><\/p>\n

CH\u01af\u01a0NG I<\/strong><\/p>\n

C\u01a0 S\u1ede L\u1eacP PH\u01af\u01a0NG \u00c1N T\u1ed4 CH\u1ee8C THI C\u00d4NG<\/strong><\/p>\n

\u0110\u1ec1 \u00e1n t\u1ed5 ch\u1ee9c thi c\u00f4ng x\u00e2y l\u1eafp c\u1ed9t \u0103ng ten, tuy\u1ebfn c\u00e1p quang \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean \u0111\u01b0\u1ee3c d\u1ef1a tr\u00ean c\u00e1c c\u01a1 s\u1edf ph\u00e1p l\u00fd sau:<\/p>\n

– H\u1ed3 s\u01a1 m\u1eddi ch\u1ec9 \u0111\u1ecbnh th\u1ea7u x\u00e2y l\u1eafp c\u1ed9t \u0103ng ten, tuy\u1ebfn c\u00e1p quang \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean c\u1ee7a Ban QLDA ph\u00e1t tri\u1ec3n \u0110i\u1ec7n l\u1ef1c ph\u00e1t h\u00e0nh .<\/p>\n

– Quy ph\u1ea1m trang b\u1ecb \u0111i\u1ec7n ban h\u00e0nh k\u00e8m theo quy\u1ebft \u0111\u1ecbnh s\u1ed1 507 \u0110L\/KT ng\u00e0y 22 th\u00e1ng 12 n\u0103m 1998 c\u1ee7a B\u1ed9 \u0111i\u1ec7n l\u1ef1c.<\/p>\n

– Quy ph\u1ea1m thi c\u00f4ng c\u00e1c c\u00f4ng tr\u00ecnh \u0111i\u1ec7n ban h\u00e0nh k\u00e8m theo quy\u1ebft \u0111\u1ecbnh 506 \u0110L\/KT ng\u00e0y 22 th\u00e1ng 12 n\u0103m 1984 c\u1ee7a B\u1ed9 \u0110i\u1ec7n l\u1ef1c.<\/p>\n

–\u00a0 Quy tr\u00ecnh k\u1ef9 thu\u1eadt an to\u00e0n l\u01b0\u1edbi \u0111i\u1ec7n trong c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd v\u1eadn h\u00e0nh s\u1eeda ch\u1eefa v\u00e0 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng d\u00e2y cao, h\u1ea1 th\u1ebf, tr\u1ea1m bi\u1ebfn \u00e1p ban h\u00e0nh k\u00e8m theo quy\u1ebft \u0111\u1ecbnh s\u1ed1 1559 EVN\/KTAT ng\u00e0y 21 th\u00e1ng 10 n\u0103m 1999 T\u1ed5ng C\u00f4ng ty \u0110i\u1ec7n l\u1ef1c Vi\u1ec7t nam.<\/p>\n

>>> Xem th\u00eam: <\/span>\u00a0<\/b>B\u1ea3n v\u1ebd thi\u1ebft k\u1ebf tr\u1ea1m BTS<\/strong><\/span><\/a><\/span><\/p>\n

– Ngh\u1ecb \u0111\u1ecbnh s\u1ed1: 209\/2004\/N\u0110-CP ng\u00e0y 16\/12\/2004 c\u1ee7a Ch\u00ednh ph\u1ee7 v\u1ec1 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n

–\u00a0 \u0110\u1ecbnh m\u1ee9c d\u1ef1 to\u00e1n chuy\u00ean ng\u00e0nh thi c\u00f4ng \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n 2005\/Q\u0110-KH\u0110T ng\u00e0y 23 th\u00e1ng 8 n\u0103m 1999.<\/p>\n

–\u00a0 \u0110\u1ecbnh m\u1ee9c d\u1ef1 to\u00e1n XDCB 1242\/1998\/Q\u0110-BXD ng\u00e0y 25 th\u00e1ng 11 n\u0103m 1998.<\/p>\n

–\u00a0 Tr\u00ean c\u01a1 s\u1edf ti\u1ebfn h\u00e0nh tham quan \u0111\u1ecba \u0111i\u1ec3m, \u0111\u1ecba h\u00ecnh th\u1ef1c t\u1ebf x\u00e2y d\u1ef1ng tr\u1ea1m do \u0111\u01a1n v\u1ecb t\u1ef1\u00a0 t\u1ed5 ch\u1ee9c.<\/p>\n

–\u00a0 C\u0103n c\u1ee9 v\u00e0o kh\u1ea3\u00a0 n\u0103ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt xe m\u00e1y thi c\u00f4ng c\u1ee7a C\u00f4ng ty C\u1ed5 ph\u1ea7n S\u00f4ng \u0110\u00e0 11 .<\/p>\n

– T\u1ed5 ch\u1ee9c thi c\u00f4ng TCVN 4055 – 85 v\u00e0 c\u00e1c quy tr\u00ecnh, quy ph\u1ea1m hi\u1ec7n h\u00e0nh kh\u00e1c c\u00f3 li\u00ean quan.<\/p>\n

CH\u01af\u01a0NG II<\/strong><\/p>\n

GI\u1edaI THI\u1ec6U \u0110\u1eb6C \u0110I\u1ec2M C\u00d4NG TR\u00ccNH<\/strong><\/p>\n

I. V\u1eca TR\u00cd C\u00d4NG TR\u00ccNH:<\/strong><\/p>\n

\u0110i\u1ec7n Bi\u00ean l\u00e0 m\u1ed9t Th\u00e0nh ph\u1ed1 c\u00f3 v\u1ecb tr\u00ed \u1edf ph\u00eda T\u00e2y B\u1eafc b\u1ed9, \u0111\u1ecba h\u00ecnh \u0111\u1ed3i n\u00fai cao thu\u1ed9c c\u00e1nh cung s\u00f4ng G\u00e2m. D\u1ef1 \u00e1n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng t\u1ea1i \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean, ngay gi\u1eefa Trung t\u00e2m c\u1ee7a Th\u00e0nh ph\u1ed1, thu\u1eadn ti\u1ec7n cho vi\u1ec7c t\u1ed5 ch\u1ee9c thi c\u00f4ng.<\/p>\n

II. \u0110\u1eb6C \u0110I\u1ec2M CH\u00cdNH C\u1ee6A C\u00d4NG TR\u00ccNH:<\/strong><\/p>\n

* C\u1ed9t \u0103ng ten t\u1ef1 \u0111\u1ee9ng cao 44,5m ngay t\u1ea1i \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng th\u00e9p h\u00ecnh m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng li\u00ean k\u1ebft b\u1eb1ng bu l\u00f4ng, s\u01a1n b\u00e1o hi\u1ec7u m\u00e0u tr\u1eafng + \u0111\u1ecf b\u00ean ngo\u00e0i Logo qu\u1ea3ng c\u00e1o, kim thu s\u00e9t t\u1ea1i\u00a0 \u0111\u1ec9nh c\u1ed9t, H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba l\u00e0m b\u1eb1ng d\u00e2y \u0111\u1ed3ng nhi\u1ec1u s\u1ee3i phi 8 t\u1eeb ch\u00e2n kim thu s\u00e9t \u0111\u1ebfn \u0111\u1ebf c\u1ed9t, d\u00e2y ti\u1ebfp \u0111\u1ecba b\u1eb1ng th\u00e9p l\u1eadp l\u00e0 40×4 m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, c\u1ecdc ti\u1ebfp \u0111\u1ecba b\u1eb1ng th\u00e9p L 63×6 d\u00e0i 2,5m m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng. Gi\u1ebfng c\u1ed9t c\u00f3 k\u1ebft c\u1ea5u b\u1eb1ng B\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u1ed5 t\u1ea1i ch\u1ed7, \u0111\u00e1y gi\u1ebfng \u0111\u01b0\u1ee3c \u0111\u1ec7m b\u1eb1ng l\u1edbp c\u00e1t v\u00e0ng d\u00e0y 2m.<\/p>\n

* Tuy\u1ebfn c\u00e1p quang s\u1eed d\u1ee5ng c\u00e1p quang h\u00ecnh s\u1ed1 8 g\u1ed3m 24 s\u1ee3i quang \u0111\u01a1n m\u1ed1t, c\u00e1p quang \u0111\u01b0\u1ee3c \u0111i d\u01b0\u1edbi \u0111\u01b0\u1eddng d\u00e2y 22kV t\u1eeb TBA 110kV \u0110i\u1ec7n Bi\u00ean t\u1edbi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean\u00a0 v\u00e0 t\u1eeb \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean t\u1edbi B\u01b0u \u0111i\u1ec7n t\u1ec9nh \u0110i\u1ec7n Bi\u00ean. T\u1ea1i TBA 110kV c\u00e1p \u0111\u01b0\u1ee3c \u0111i ng\u1ea7m trong h\u1ea7m c\u00e1p \u0111i\u1ec7n v\u00e0 c\u00e1p \u0111i\u1ec1u khi\u1ec3n. T\u1ea1i c\u00e1c v\u1ecb tr\u00ed qua \u0111\u01b0\u1eddng c\u00e1p \u0111\u01b0\u1ee3c \u0111i trong \u1ed1ng c\u00e1p \u0111i\u1ec7n ng\u1ea7m \u0111\u1eb7t s\u1eb5n.<\/p>\n

* Ph\u1ea7n c\u1ea3i t\u1ea1o ph\u00f2ng l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb c\u00f3 di\u1ec7n t\u00edch 18m2. Ph\u1ea7n n\u00e0y do \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean t\u1ef1 th\u1ef1c hi\u1ec7n.<\/p>\n

 <\/p>\n

CH\u01af\u01a0NG III<\/strong><\/p>\n

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

 <\/p>\n

X\u00e2y l\u1eafp c\u1ed9t \u0103ng ten t\u1ef1 \u0111\u1ee9ng cao 44,5m v\u00e0 tuy\u1ebfn c\u00e1p quang t\u1eeb TBA 110kV \u0110i\u1ec7n Bi\u00ean t\u1edbi \u0110I\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean v\u00e0 B\u01b0u \u0111i\u1ec7n t\u1ec9nh \u0110i\u1ec7n Bi\u00ean s\u1ebd \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i thi c\u00f4ng \u0111\u00e1p \u1ee9ng ti\u1ebfn \u0111\u1ed9 \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o c\u00e1c quy tr\u00ecnh, quy ph\u1ea1m k\u1ef9 thu\u1eadt thi c\u00f4ng v\u00e0 nghi\u1ec7m thu nh\u1eb1m \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh x\u00e2y l\u1eafp .<\/p>\n

I. C\u1ed8T \u0102NG TEN T\u1ef0 \u0110\u1ee8NG H=44,5M :<\/strong><\/p>\n

1. Bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u00f4ng t\u00e1c \u0111\u1ea5t :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/p>\n

1.1. C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb : C\u00f4ng vi\u1ec7c chu\u1ea9n b\u1ecb bao g\u1ed3m<\/em> <\/strong><\/p>\n

* \u0110o \u0111\u1ea1c, ki\u1ec3m tra v\u00e0 \u0111\u00f3ng c\u1ed9t m\u1ed1c : <\/em>Tr\u00ean c\u01a1 s\u1edf tim m\u1ed1c \u0111\u01b0\u1ee3c\u00a0 \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n Bi\u00ean\u00a0 giao, Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh ki\u1ec3m tra chu\u1ea9n x\u00e1c, \u0111\u00e1nh gi\u00e1 hi\u1ec7n tr\u1ea1ng c\u00f4ng tr\u01b0\u1eddng, \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean, v\u1ecb tr\u00ed t\u1eadp k\u1ebft v\u1eadt li\u1ec7u, c\u00e1c c\u00f4ng tr\u00ecnh l\u00e2n c\u1eadn v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u00f3 li\u00ean quan, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c thi c\u00f4ng. D\u00f9ng m\u00e1y \u0111o th\u00edch h\u1ee3p, <\/strong>th\u01b0\u1edbc th\u00e9p, ni v\u00f4 \u0111\u1ec3 ki\u1ec3m tra tim m\u1ed1c v\u00e0 \u0111\u1ecbnh v\u1ecb c\u00e1c m\u1ed1c kh\u1ed1ng ch\u1ebf tr\u00ean m\u1eb7t b\u1eb1ng x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh. C\u1ed1 \u0111\u1ecbnh tr\u1ee5c c\u01a1 b\u1ea3n, c\u00e1c tr\u1ee5c ngang c\u1ee7a c\u00f4ng tr\u00ecnh \u1edf ngo\u00e0i th\u1ef1c \u0111\u1ecba b\u1eb1ng h\u1ec7 th\u1ed1ng \u0111\u1ecbnh v\u1ecb 1 tim, 2 c\u1ecdc ngang tuy\u1ebfn, c\u00e1c \u0111i\u1ec3m gi\u00f3ng c\u1ee7a c\u00e1c tr\u1ee5c \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u00ean c\u1ecdc \u0111\u1ecbnh v\u1ecb b\u1eb1ng \u0111inh.<\/p>\n

1.2.\u00a0 C\u00f4ng t\u00e1c gi\u00e1c gi\u1ebfng:<\/em><\/strong><\/p>\n

D\u00f9ng h\u1ec7 th\u1ed1ng m\u00e1y tr\u1eafc \u0111\u1ea1c v\u00e0 th\u01b0\u1edbc th\u00e9p \u0111\u1ec3 d\u1eabn c\u1ed1t chu\u1ea9n v\u1ec1 khu v\u1ef1c \u0111\u00e0o gi\u00e1c gi\u1ebfng v\u00e0 l\u00ean khung theo c\u00e1c tim m\u1ed1c \u0111\u00e3 nh\u1eadn (c\u00f3 ki\u1ec3m tra l\u1ea1i) tr\u00ean c\u01a1 s\u1edf s\u1ed1 li\u1ec7u v\u00e0 b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf theo ph\u01b0\u01a1ng ph\u00e1p h\u00ecnh h\u1ecdc \u0111\u01a1n gi\u1ea3n.<\/p>\n

Ch\u00fa \u00fd<\/em>: X\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc c\u1ee7a h\u1ed1 gi\u1ebfng sau \u0111\u00f3 m\u1edbi \u0111\u00f3ng c\u00e1c c\u1ecdc ng\u1ef1a \u0111\u1ecbnh v\u1ecb k\u00edch th\u01b0\u1edbc h\u1ed1 gi\u1ebfng tr\u01b0\u1edbc khi \u0111\u00e0o ( kho\u1ea3ng c\u00e1ch gi\u1eefa hai ch\u00e2n gi\u00e1 ng\u1ef1a ph\u1ea3i l\u1edbn h\u01a1n chi\u1ec1u r\u1ed9ng\u00a0 c\u1ee7a gi\u1ebfng kho\u1ea3ng 30- 40cm, d\u00f9ng qu\u1ea3 r\u1ecdi chuy\u1ec3n t\u1eeb tim c\u1ecdc l\u00ean gi\u00e1 ng\u1ef1a v\u00e0 \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed ). Trong qu\u00e1 tr\u00ecnh \u0111\u00e0o gi\u1ebfng ph\u1ea3i th\u01b0\u1eddng xuy\u00ean d\u1ef1a v\u00e0o c\u1ed1t chu\u1ea9n \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 s\u00e2u c\u1ee7a gi\u1ebfng \u0111\u00e0o.<\/p>\n

Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i tim c\u1ed1t chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u1ea9n th\u1eadn , kh\u00f4ng l\u00e0m x\u00ea d\u1ecbch v\u1ecb tr\u00ed.<\/p>\n

1. 3. C\u00f4ng t\u00e1c \u0111\u00e0o, l\u1ea5p \u0111\u1ea5t :<\/em><\/strong><\/p>\n

1.3.1. C\u00f4ng t\u00e1c \u0111\u00e0o \u0111\u1ea5t: <\/em><\/p>\n

Ch\u1ee7 y\u1ebfu thi c\u00f4ng b\u1eb1ng th\u1ee7 c\u00f4ng. Qu\u00e1 tr\u00ecnh thi c\u00f4ng lu\u00f4n tu\u00e2n theo\u00a0 “Quy ph\u1ea1m thi c\u00f4ng c\u00f4ng t\u00e1c \u0111\u1ea5t TCVN-4447-87”.<\/p>\n

M\u1eb7t b\u1eb1ng \u0111\u00e1y h\u1ed1 gi\u1ebfng \u0111\u01b0\u1ee3c d\u1ecdn s\u1ea1ch v\u00e0 b\u1eb1ng ph\u1eb3ng,lu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4 \u0111\u1ec3 tr\u00e1nh ho\u00e1 b\u00f9n. Ch\u00fang t\u00f4i s\u1ebd b\u1ed1 tr\u00ed m\u00e1y b\u01a1m \u0111\u1ee7 c\u00f4ng su\u1ea5t \u0111\u1ec3 h\u00fat to\u00e0n b\u1ed9 n\u01b0\u1edbc d\u01b0\u1edbi h\u1ed1 gi\u1ebfng. H\u00ecnh d\u1ea1ng k\u00edch th\u01b0\u1edbc h\u1ed1 gi\u1ebfng ph\u1ea3i \u0111\u1ea3m b\u1ea3o ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf c\u1ee7a gi\u1ebfng, cao \u0111\u1ed9 \u0111\u00e1y h\u1ed1 gi\u1ebfng \u0111\u00fang theo cao \u0111\u1ed9 thi\u1ebft k\u1ebf.<\/p>\n

\u0110\u1ed9 d\u1ed1c ta luy h\u1ed1 gi\u1ebfng v\u00e0 kho\u1ea3ng l\u01b0u kh\u00f4ng \u0111\u1ea3m b\u1ea3o thu\u1eadn ti\u1ec7n, an to\u00e0n trong qu\u00e1 tr\u00ecnh thi c\u00f4ng. M\u1eb7t b\u1eb1ng \u0111\u00e1y h\u1ed1 gi\u1ebfng \u0111\u01b0\u1ee3c d\u1ecdn s\u1ea1ch b\u1eb1ng ph\u1eb3ng v\u00e0 cao \u0111\u1ed9 ph\u1ea3i \u0111\u00fang v\u1edbi cao \u0111\u1ed9 thi\u1ebft k\u1ebf. \u0110\u1ea5t \u0111\u00e0o l\u00ean ph\u1ea3i \u0111\u1ed5 xa m\u00e9p tr\u00ean h\u1ed1 gi\u1ebfng \u0111\u1ec3 tr\u00e1nh b\u1ecb s\u1ea1t l\u1edf.<\/p>\n

Tr\u01b0\u1edbc khi chuy\u1ec3n sang thi c\u00f4ng c\u00f4ng \u0111o\u1ea1n ti\u1ebfp theo ch\u00fang t\u00f4i m\u1eddi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean v\u00e0 t\u01b0 v\u1ea5n thi\u1ebft k\u1ebf nghi\u1ec7m thu \u0111\u1ed3ng \u00fd cho chuy\u1ec3n b\u01b0\u1edbc thi c\u00f4ng .<\/p>\n

Khi \u0111\u00e0o h\u1ed1 gi\u1ebfng n\u1ebfu ph\u00e1t hi\u1ec7n c\u00f3 v\u1eadt ng\u1ea7m mang t\u00ednh ch\u1ea5t l\u1ecbch s\u1eed ho\u1eb7c c\u00f3 gi\u00e1 tr\u1ecb \u0111\u00e1ng k\u1ec3,l\u00e0 t\u00e0i s\u1ea3n Qu\u1ed1c gia … Ch\u00fang t\u00f4i k\u1ecbp th\u1eddi b\u00e1o c\u00e1o \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean \u0111\u1ec3 c\u00f3 ph\u01b0\u01a1ng \u00e1n gi\u1ea3i quy\u1ebft.<\/p>\n

Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ch\u00fang t\u00f4i tuy\u1ec7t \u0111\u1ed1i tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n

1.3.2. C\u00f4ng t\u00e1c\u0111\u1ec7m c\u00e1t,\u00a0 l\u1ea5p v\u00e0 \u0111\u1ea7m \u0111\u1ea5t:\u00a0 <\/em><\/p>\n

Sau khi \u0111\u00e0o going xong ti\u1ebfn h\u00e0nh b\u01a1m s\u1ea1ch b\u00f9n, n\u01b0\u1edbc \u0111\u1ec3 \u0111\u00e1y going \u0111\u01b0\u1ee3c kh\u00f4 r\u00e1o, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh \u0111\u1ec7m c\u00e1t. C\u00e1t \u0111\u01b0\u1ee3c \u0111\u1ed5 t\u1eebng l\u1edbp d\u00e0y 20cm \u0111\u1ea7m ch\u1eb7t \u0111\u1ea3m b\u1ea3o K= 0,98.<\/p>\n

Sau khi \u0111\u00e3 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u0111\u00fang th\u1eddi gian quy \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a gi\u00e1m s\u00e1t k\u1ef9 thu\u1eadt A, th\u00ec ti\u1ebfn h\u00e0nh l\u1ea5p \u0111\u1ea5t \u0111\u1ea7m ch\u1eb7t . C\u00f4ng vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u01a1 gi\u1edbi k\u1ebft h\u1ee3p v\u1edbi th\u1ee7 c\u00f4ng. \u0110\u1ea5t \u0111\u1ed5 th\u00e0nh t\u1eebng l\u1edbp d\u1ea7y 20cm, t\u01b0\u1edbi n\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m, d\u00f9ng \u0111\u1ea7m g\u1ed7 (ho\u1eb7c s\u1eaft) ho\u1eb7c \u0111\u1ea7m rung \u0111\u1ec3 \u0111\u1ea7m \u0111\u00fang dung tr\u1ecdng y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 kh\u00f4ng l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn c\u1ea5u ch\u00f4n ng\u1ea7m. \u0110\u1ea5t \u0111\u1eafp c\u00f3 th\u1ec3 l\u1ea5y t\u1eeb \u0111\u1ea5t \u0111\u00e0o d\u01b0\u1edbi gi\u1ebfng l\u00ean ho\u1eb7c t\u1eeb n\u01a1i kh\u00e1c chuy\u1ec3n \u0111\u1ebfn, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng l\u1ea5y \u0111\u1ea5t \u1edf s\u00e1t v\u1ecb tr\u00ed gi\u1ebfng \u0111\u1ec3 \u0111\u1eafp ch\u00e2n c\u1ed9t g\u00e2y s\u1ea1t l\u1edf sau n\u00e0y. \u0110\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u1eafp l\u00e0 lo\u1ea1i \u0111\u1ea5t \u0111\u1ed3ng nh\u1ea5t, \u0111\u00e0o \u0111\u1ea5t n\u00e0o l\u1ea5p \u0111\u1ea5t \u0111\u00f3 v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eabn t\u1ea1p ch\u1ea5t nh\u01b0 r\u00e1c, m\u00f9n, h\u1eefu c\u01a1…Tr\u01b0\u1eddng h\u1ee3p \u0111\u1ea5t \u0111\u1eafp ch\u00e2n c\u1ed9t b\u1ecb thi\u1ebfu ph\u1ea3i chuy\u1ec3n t\u1eeb n\u01a1i kh\u00e1c \u0111\u1ebfn ch\u00fang t\u00f4i s\u1ebd th\u1ed1ng nh\u1ea5t v\u1edbi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean khu v\u1ef1c khai th\u00e1c \u0111\u1ea5t \u0111\u1eafp cho th\u00edch h\u1ee3p,\u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n

Tr\u01b0\u1edbc khi l\u1ea5p \u0111\u1ea5t,c\u00e1c k\u1ebft c\u1ea5u ch\u00f4n ng\u1ea7m nh\u01b0 ti\u1ebfp \u0111\u1ecba,b\u00ea t\u00f4ng gi\u1ebfng,…ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra, nghi\u1ec7m thu v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean cho chuy\u1ec3n b\u01b0\u1edbc thi c\u00f4ng.<\/p>\n

Khi \u0111\u1eafp h\u1ed1 gi\u1ebfng tr\u00ean n\u1ec1n \u0111\u1ea5t \u01b0\u1edbt ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh ti\u00eau tho\u00e1t n\u01b0\u1edbc v\u00e0 v\u00e9t b\u00f9n. Kh\u00f4ng d\u00f9ng \u0111\u1ea5t kh\u00f4 nh\u00e0o l\u1eabn \u0111\u1ea5t \u01b0\u1edbt \u0111\u1ec3 \u0111\u1eafp.<\/p>\n

2. Thi c\u00f4ng h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba:<\/strong><\/p>\n

Tr\u01b0\u1edbc khi r\u1ea3i d\u00e2y ti\u1ebfp \u0111\u1ecba ch\u00fang t\u00f4i m\u1eddi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a d\u00e2y ti\u1ebfp \u0111\u1ecba v\u00e0 \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn th\u00ec ch\u00fang t\u00f4i m\u1edbi ti\u1ebfn h\u00e0nh thi c\u00f4ng. Ph\u1ea7n ti\u1ebfp \u0111\u1ecba m\u1ea1 k\u1ebdm \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i gia c\u00f4ng t\u1ea1i x\u01b0\u1edfng v\u00e0 m\u1ea1 k\u1ebdm t\u1ea1i X\u00ed nghi\u1ec7p v\u1eadt li\u1ec7u ho\u00e1 ch\u1ea5t. D\u00e2y ti\u1ebfp \u0111\u1ecba b\u1eb1ng th\u00e9p d\u1eb9t 40×4, t\u1ea5m n\u1ed1i b\u1eb1ng th\u00e9p CT3, bu l\u00f4ng r\u00f4ng \u0111en \u0111ai \u1ed1c M16, c\u1ecdc ti\u1ebfp \u0111\u1ecba b\u1eb1ng th\u00e9p L63x6 d\u00e0i 2,5m theo \u0111\u00fang 18TCN 04-92, TCVN-5575-1991, TCVN 1896-76.<\/p>\n

Trong qu\u00e1 tr\u00ecnh l\u1ea5p \u0111\u1ea5t ch\u00fang t\u00f4i k\u1ebft h\u1ee3p r\u1ea3i d\u00e2y ti\u1ebfp \u0111\u1ecba do v\u1ecb tr\u00ed r\u1ea3i d\u00e2y ti\u1ebfp \u0111\u1ecba l\u00e0 xung quang gi\u1ebfng h\u1ed1 \u0111\u00e0o v\u00e0 c\u00e1ch xa m\u00e9p ngo\u00e0i c\u00f9ng c\u1ee7a b\u00ea t\u00f4ng \u0111\u00e1y gi\u1ebfng l\u00e0 20cm v\u00e0 s\u00e2u so v\u1edbi m\u1eb7t \u0111\u1ea5t t\u1ef1 nhi\u00ean theo \u0111\u00fang b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf.<\/p>\n

Ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh \u0111o ki\u1ec3m tra \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ecba cho t\u1eebng v\u1ecb tr\u00ed. K\u1ebft qu\u1ea3 \u0111o s\u1ebd \u0111\u01b0\u1ee3c ghi v\u00e0o bi\u1ec3u th\u1ed1ng nh\u1ea5t tr\u00ecnh \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean xem x\u00e9t. Tr\u01b0\u1eddng h\u1ee3p \u0111\u00e3 thi c\u00f4ng theo \u0111\u00fang thi\u1ebft k\u1ebf m\u00e0 c\u00f3 v\u1ecb tr\u00ed kh\u00f4ng \u0111\u1ea1t \u0111i\u1ec7n tr\u1edf n\u1ed1i \u0111\u1ea5t theo quy ph\u1ea1m ,Ch\u00fang t\u00f4i s\u1ebd b\u00e1o v\u1edbi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean \u0111\u1ec3 x\u1eed l\u00fd v\u00e0 s\u1eb5n s\u00e0ng thi c\u00f4ng khi c\u00f3 y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n c\u1ee7a \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean.<\/p>\n

3. Bi\u1ec7n ph\u00e1p thi c\u00f4ng b\u00ea t\u00f4ng, bu l\u00f4ng neo v\u00e0 c\u1ed1t th\u00e9p :\u00a0\u00a0\u00a0\u00a0 <\/strong><\/p>\n

3.1. Th\u1eed nghi\u1ec7m c\u1ea5p ph\u1ed1i v\u00e0 chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u:<\/em><\/strong><\/p>\n

– <\/em>C\u00e1c v\u1eadt li\u1ec7u \u0111\u1ec3 s\u1ea3n xu\u1ea5t b\u00ea t\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt v\u00e0 theo c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh, \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u1ebfu t\u1ed1 b\u1ed5 sung c\u1ee7a thi\u1ebft k\u1ebf. Tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ec1u \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m,vi\u1ec7c th\u00ed nghi\u1ec7m n\u00e0y do c\u00e1c \u0111\u01a1n v\u1ecb\u00a0 ch\u1ee9c n\u0103ng th\u1ef1c hi\u1ec7n.<\/p>\n

+ Xi m\u0103ng s\u1eed d\u1ee5ng cho b\u00ea t\u00f4ng\u00a0 l\u00e0 lo\u1ea1i xi m\u0103ng Pooc l\u0103ng theo TCVN 2682-2000. Xi m\u0103ng t\u1eebng l\u00f4 ph\u1ea3i c\u00f3 gi\u1ea5y ch\u1ee9ng nh\u1eadn xu\u1ea5t x\u01b0\u1edfng ho\u1eb7c phi\u1ebfu ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9. Nh\u00e0 th\u1ea7u s\u1eed\u00a0 d\u1ee5ng c\u00e1c lo\u1ea1i xi m\u0103ng theo qui \u0111\u1ecbnh v\u00e0 ngu\u1ed3n cung c\u1ea5p \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn tr\u01b0\u1edbc v\u00e0 ngu\u1ed3n cung c\u1ea5p n\u00e0y khi thay \u0111\u1ed5i ph\u1ea3i\u00a0 \u0111\u01b0\u1ee3c \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean ch\u1ea5p nh\u1eadn . \u0110\u1eb7c bi\u1ec7t ch\u00fa \u00fd trong b\u1ea5t k\u1ef3 h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh n\u00e0o, xi m\u0103ng l\u1eabn oxit nh\u00f4m \u0111\u1ec1u kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Xi m\u0103ng ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4 v\u00e0 s\u1eed d\u1ee5ng theo ki\u1ec3u xoay v\u00f2ng (v\u00e0o tr\u01b0\u1edbc ra tr\u01b0\u1edbc, v\u00e0o sau ra sau). C\u00e1c bao ch\u1ee9a xi m\u0103ng \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u00e1ch m\u1eb7t \u0111\u1ea5t trong nh\u00e0 kho \u0111\u1ee7 l\u1edbn v\u00e0 tho\u00e1ng kh\u00ed, tr\u00e1nh m\u01b0a n\u1eafng… Xi m\u0103ng m\u1edbi s\u1ea3n xu\u1ea5t c\u00f2n n\u00f3ng ph\u1ea3i l\u01b0u kho sau 22 ng\u00e0y m\u1edbi \u0111\u01b0a ra s\u1eed d\u1ee5ng. Kh\u00f4ng s\u1eed d\u1ee5ng xi m\u0103ng \u0111\u00e3 s\u1ea3n xu\u1ea5t qu\u00e1 12 th\u00e1ng \u0111\u00e3 b\u1ecb gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 \u0111\u00e3 b\u1ecb v\u00f3n c\u1ee5c, ch\u1eadm \u0111\u00f4ng k\u1ebft, gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9.<\/p>\n

+ C\u00e1t d\u00f9ng trong b\u00ea t\u00f4ng theo \u0111\u00fang qui \u0111\u1ecbnh v\u00e0\u00a0 ph\u1ea3i tho\u1ea3 m\u00e3n c\u00e1c y\u00eau c\u1ee7a TCVN 1770-1986 “C\u00e1t x\u00e2y d\u1ef1ng – y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt “. B\u00e3i ch\u1ee9a c\u00e1t ph\u1ea3i kh\u00f4 r\u00e1o, \u0111\u1ed5 \u0111\u1ed1ng theo nh\u00f3m h\u1ea1t, theo m\u1ee9c \u0111\u1ed9 s\u1ea1ch b\u1ea9n \u0111\u1ec3 ti\u1ec7n s\u1eed d\u1ee5ng v\u00e0 c\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p ch\u1ed1ng gi\u00f3 bay, m\u01b0a tr\u00f4i v\u00e0 l\u1eabn t\u1ea1p ch\u1ea5t c\u00e1c v\u1ecb tr\u00ed \u0111\u1ed5 c\u00e1t \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i l\u00f3t b\u1eb1ng v\u1ea3i b\u1ea1t \u0111\u1ec3 tr\u00e1nh c\u00e1t ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ea5t l\u00e0m \u1ea3nh h\u01b0\u1edfng t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n

+ \u0110\u00e1 d\u0103m d\u00f9ng trong b\u00ea t\u00f4ng theo \u0111\u00fang qui \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng theo TCVN 1771-1987 ” \u0110\u00e1 d\u0103m, s\u1ecfi d\u0103m, s\u1ecfi d\u00f9ng trong x\u00e2y d\u1ef1ng “, ngo\u00e0i ra \u0111\u00e1 d\u0103m d\u00f9ng cho b\u00ea t\u00f4ng ph\u1ea3i ph\u00e2n th\u00e0nh nh\u00f3m c\u00f3 k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u01b0\u1eddng \u0111\u1ed9, h\u00ecnh d\u00e1ng h\u00ecnh h\u1ecdc ph\u1ea3i tu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u HSMT v\u00e0 thi\u1ebft k\u1ebf.<\/p>\n

Ngu\u1ed3n c\u00e1t \u0111\u00e1 ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh khi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c t\u1ea5t c\u1ea3 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a HSMT th\u00f4ng qua vi\u1ec7c th\u00ed nghi\u1ec7m c\u01a1,l\u00fd t\u00ednh c\u1ee7a ch\u00fang v\u00e0 \u0111\u01b0\u1ee3c \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean ch\u1ea5p nh\u1eadn. Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t, \u0111\u00e1, xi m\u0103ng \u1edf t\u1eebng v\u1ecb tr\u00ed gi\u1ebfng s\u1ebd \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i t\u00ednh to\u00e1n c\u1ee5 th\u1ec3 \u0111\u1ec3 c\u00f3 ti\u1ebfn \u0111\u1ed9 cung c\u1ea5p h\u1ee3p l\u00fd nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng b\u1ecb th\u1eeba g\u00e2y l\u00e3ng ph\u00ed ho\u1eb7c thi\u1ebfu h\u1ee5t khi \u0111ang ti\u1ebfn h\u00e0nh \u0111\u1ed5 b\u00ea t\u00f4ng d\u1edf dang. B\u1ed1 tr\u00ed c\u00e1c b\u00e3i \u0111\u1ec3 \u0111\u00e1 c\u00e1t h\u1ee3p l\u00fd g\u1ea7n m\u00e1y tr\u1ed9n v\u00e0 h\u1ed1 gi\u1ebfng thu\u1eadn ti\u1ec7n cho qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o kh\u00f4ng g\u00e2y c\u1ea3n tr\u1edf trong c\u00f4ng t\u00e1c thi c\u00f4ng kh\u00e1c.<\/p>\n

+ N\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 tr\u1ed9n v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u0111\u1ea3m b\u1ea3o theo \u0111\u00fang qui \u0111\u1ecbnh n\u01b0\u1edbc s\u1ea1ch kh\u00f4ng c\u00f3 mu\u1ed1i, d\u1ea7u, m\u1ee1, nhuy\u1ec5n th\u1ec3, th\u1ef1c v\u1eadt hay c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c. Tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng n\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m theo ti\u00eau chu\u1ea9n “k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p to\u00e0n kh\u1ed1i- Quy ph\u1ea1m v\u00e0 nghi\u1ec7m thu “theoTCVN-4506-87″ N\u01b0\u1edbc, quy ph\u1ea1m thi c\u00f4ng v\u00e0 nghi\u1ec7m thu”. C\u00e1c ngu\u1ed3n n\u01b0\u1edbc u\u1ed1ng \u0111\u1ec1u c\u00f3 th\u1ec3\u00a0 d\u00f9ng \u0111\u1ec3 tr\u1ed9n v\u00e0o b\u00ea t\u00f4ng,\u00a0 kh\u00f4ng d\u00f9ng n\u01b0\u1edbc th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y, n\u01b0\u1edbc th\u1ea3i,n\u01b0\u1edbc b\u1ea9n t\u1eeb c\u00e1c h\u1ec7 th\u1ed1ng sinh ho\u1ea1t, n\u01b0\u1edbc ao h\u1ed3 ch\u1ee9a nhi\u1ec1u b\u00f9n ,n\u01b0\u1edbc l\u1eabn d\u1ea7u m\u1ee1 \u0111\u1ec3 tr\u1ed9n v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng.<\/p>\n

Ph\u1ee5 gia s\u1eed d\u1ee5ng trong b\u00ea t\u00f4ng (khi c\u1ea7n thi\u1ebft) ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean \u0111\u1ed3ng th\u1eddi ph\u1ea3i b\u1ea3o \u0111\u1ea3m :<\/p>\n

+ T\u1ea1o ra h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng ngh\u1ec7,bi\u1ec7n ph\u00e1p thi c\u00f4ng,kh\u00f4ng \u0103n m\u00f2n c\u1ed1t th\u00e9p,kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh.<\/p>\n

+ C\u00e1c ph\u1ee5 gia tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng ph\u1ea3i c\u00f3 ch\u1ee9ng ch\u1ec9 ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c c\u01a1 quan qu\u1ea3n l\u00fd Nh\u00e0 n\u01b0\u1edbc c\u00f4ng nh\u1eadn v\u00e0 ph\u1ea3i tuy\u1ec7t \u0111\u1ed1i tu\u00e2n th\u1ee7 s\u1ef1 ch\u1ec9 d\u1eabn c\u1ee7a Nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n

Sau khi th\u00ed nghi\u1ec7m c\u00e1c v\u1eadt li\u1ec7u xi m\u0103ng, c\u00e1t, \u0111\u00e1 \u0111\u1ea1t y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng theo m\u00e1c thi\u1ebft k\u1ebf t\u1ea1i c\u01a1 s\u1edf c\u00f3 \u0111\u1ee7 t\u01b0 c\u00e1ch ph\u00e1p nh\u00e2n v\u1ec1 th\u00ed nghi\u1ec7m c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng.<\/p>\n

3.2. C\u00f4ng t\u00e1c c\u1ed1t th\u00e9p :\u00a0\u00a0\u00a0\u00a0\u00a0 <\/em><\/strong><\/p>\n

– C\u1ed1t th\u00e9p d\u00f9ng trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng lo\u1ea1i \u0111\u1ea3m b\u1ea3o c\u00e1c y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi TCVN 5574-1991 “K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p”. T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i th\u00e9p ph\u1ea3i \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m, ki\u1ec3m tra theo TCVN-197-2002; TCVN-1998-66 “Kim lo\u1ea1i – Ph\u01b0\u01a1ng ph\u00e1p k\u00e9o u\u1ed1n th\u1eed ”<\/p>\n

– M\u00e1c v\u00e0 ch\u1ee7ng lo\u1ea1i th\u00e9p ch\u1ecbu l\u1ef1c lu\u00f4n \u0111\u1ea1t y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi th\u00e9p \u0111\u01b0\u1eddng k\u00ednh <10mm ph\u1ea3i c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y nh\u1ecf nh\u1ea5t l\u00e0 2100kg\/cm2<\/sup> v\u00e0 v\u1edbi th\u00e9p \u0111\u01b0\u1eddng k\u00ednh >=10mm ph\u1ea3i c\u00f3 gi\u1edbi h\u1ea1n ch\u1ea3y nh\u1ecf nh\u1ea5t\u00a0 l\u00e0 2700kg\/cm2<\/sup>.<\/p>\n

– C\u1ed1t th\u00e9p tr\u01b0\u1edbc khi gia c\u00f4ng v\u00e0 tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng b\u1ec1 m\u1eb7t ph\u1ea3i s\u1ea1ch , kh\u00f4ng d\u00ednh b\u00f9n \u0111\u1ea5t, d\u1ea7u m\u1ee1, kh\u00f4ng c\u00f3 v\u1ea9y s\u1eaft v\u00e0 l\u1edbp r\u1ec9. C\u00e1c\u00a0 thanh s\u1eaft tr\u00ean b\u1ec1 m\u1eb7t k\u1ec3 c\u1ea3 g\u00e2n, g\u1edd kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 v\u1ebft n\u1ee9t. C\u00e1c thanh th\u00e9p b\u1ecb b\u1eb9p, b\u1ecb gi\u1ea3m ti\u1ebft di\u1ec7n do l\u00e0m s\u1ea1ch ho\u1eb7c do c\u00e1c nguy\u00ean nh\u00e2n kh\u00e1c v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p l\u00e0 2% \u0111\u01b0\u1eddng k\u00ednh th\u00ec kh\u00f4ng s\u1eed d\u1ee5ng.<\/p>\n

– Tr\u01b0\u1edbc khi gia c\u00f4ng, th\u00e9p \u0111\u01b0\u1ee3c k\u00e9o v\u00e0 n\u1eafn th\u1eb3ng, vi\u1ec7c c\u1eaft u\u1ed1n th\u00e9p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc. C\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c c\u1eaft u\u1ed1n ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh d\u00e1ng, k\u00edch th\u01b0\u1edbc c\u1ee7a thi\u1ebft k\u1ebf v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi TCVN 1650-85, TCVN 1651-85 ” Th\u00e9p c\u1ed1t b\u00ea t\u00f4ng c\u00e1n n\u00f3ng “.<\/p>\n

– C\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c c\u1ea5t gi\u1eef d\u01b0\u1edbi m\u00e1i che v\u00e0 x\u1ebfp th\u00e0nh l\u1edbp ph\u00e2n bi\u1ec7t theo s\u1ed1 hi\u1ec7u , \u0111\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i v\u00e0 ghi m\u00e3 hi\u1ec7u \u0111\u1ec3 ti\u1ec7n s\u1eed d\u1ee5ng. Tr\u01b0\u1eddng h\u1ee3p ph\u1ea3i x\u1ebfp c\u1ed1t th\u00e9p \u1edf ngo\u00e0i tr\u1eddi th\u00ec k\u00ea m\u1ed9t \u0111\u1ea7u cao, m\u1ed9t \u0111\u1ea7u th\u1ea5p tr\u00ean n\u1ec1n c\u1ee9ng, kh\u00f4ng c\u00f3 c\u1ecf m\u1ecdc. L\u1edbp c\u1ed1t th\u00e9p ph\u1ea3i k\u00ea cao h\u01a1n m\u1eb7t n\u1ec1n \u00edt nh\u1ea5t 30cm, kh\u00f4ng x\u1ebfp cao qu\u00e1 1,2m v\u00e0 r\u1ed9ng qu\u00e1 2m.<\/p>\n

– Kh\u00f4ng qu\u00e9t n\u01b0\u1edbc xi m\u0103ng ho\u1eb7c b\u1ea5t k\u1ef3 v\u1eadt li\u1ec7u g\u00ec l\u00ean c\u1ed1t th\u00e9p \u0111\u1ec3 ph\u00f2ng ch\u1ed1ng r\u1ec9 tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng. Nh\u1eefng \u0111o\u1ea1n c\u1ed1t th\u00e9p ch\u1edd \u0111\u1ec3 th\u1eeba ra ngo\u00e0i kh\u1ed1i b\u00ea t\u00f4ng \u0111\u1ed5 l\u1ea7n tr\u01b0\u1edbc, ph\u1ea3i l\u00e0m s\u1ea1ch h\u1ebft b\u1ec1 m\u1eb7t, c\u1ea1o h\u1ebft v\u1eefa xi m\u0103ng d\u00ednh b\u00e1m tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng l\u1ea7n sau .<\/p>\n

– Vi\u1ec7c n\u1ed1i bu\u1ed9c c\u1ed1t th\u00e9p ph\u1ea3i tho\u1ea3 m\u00e3n c\u00e1c y\u00eau c\u1ea7u sau :<\/p>\n

+ Chi\u1ec1u d\u00e0i n\u1ed1i bu\u1ed9c c\u1ed1t th\u00e9p ch\u1ecbu l\u1ef1c trong khung v\u00e0 l\u01b0\u1edbi th\u00e9p kh\u00f4ng nh\u1ecf h\u01a1n 25 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh v\u1edbi th\u00e9p c\u00f3 g\u1edd c\u00e1n n\u00f3ng (30 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh v\u1edbi th\u00e9p tr\u00f2n c\u00e1n n\u00f3ng), trong v\u00f9ng b\u00ea t\u00f4ng ch\u1ecbu k\u00e9o, kh\u00f4ng nh\u1ecf h\u01a1n 15 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ed1i v\u1edbi th\u00e9p c\u00f3 g\u1edd c\u00e1n n\u00f3ng (20 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh v\u1edbi th\u00e9p tr\u00f2n c\u00e1n n\u00f3ng) trong v\u00f9ng b\u00ea t\u00f4ng ch\u1ecbu n\u00e9n .<\/p>\n

+ D\u00e2y bu\u1ed9c d\u00f9ng lo\u1ea1i th\u00e9p m\u1ec1m F (0,6 \u00b8 1mm ), ho\u1eb7c th\u00e9p \u0111\u00e0n h\u1ed3i (trong t\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft ). Trong m\u1ed7i m\u1ed1i n\u1ed1i c\u1ea7n bu\u1ed9c \u00edt nh\u1ea5t 3 v\u1ecb tr\u00ed (\u1edf gi\u1eefa v\u00e0 hai \u0111\u1ea7u ).<\/p>\n

– K\u1ebft qu\u1ea3 ki\u1ec3m tra c\u1ed1t th\u00e9p v\u00e0 m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i ghi ch\u00e9p v\u00e0o s\u1ed5 t\u1eebng ng\u00e0y c\u00f3 ghi r\u00f5 lo\u1ea1i s\u1ea3n ph\u1ea9m c\u1ed1t th\u00e9p, t\u00ean ng\u01b0\u1eddi gia c\u00f4ng, ng\u01b0\u1eddi h\u00e0n, ch\u1ebf \u0111\u1ed9 h\u00e0n, lo\u1ea1i que h\u00e0n v\u00e0 s\u1ed1 hi\u1ec7u que h\u00e0n, s\u1ed1 m\u1ed1i h\u00e0n n\u1ed1i ho\u1eb7c bu\u1ed9c n\u1ed1i ph\u1ea3i tu\u00e2n th\u1ee7 theo \u0111\u00fang quy ph\u1ea1m.<\/p>\n

– Vi\u1ec7c li\u00ean k\u1ebft c\u00e1c thanh c\u1ed1t th\u00e9p khi l\u1eafp d\u1ef1ng c\u1ea7n s\u1ed1 l\u01b0\u1ee3ng m\u1ed1i n\u1ed1i bu\u1ed9c hay h\u00e0n \u0111\u00ednh kh\u00f4ng nh\u1ecf h\u01a1n 50% s\u1ed1 \u0111i\u1ec3m giao nhau theo th\u1ee9\u00a0 t\u1ef1 xen k\u1ebd. Trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p c\u00e1c g\u00f3c c\u1ee7a \u0111ai th\u00e9p v\u1edbi th\u00e9p ch\u1ecbu l\u1ef1c ph\u1ea3i bu\u1ed9c ho\u1eb7c h\u00e0n \u0111\u00ednh 100%.<\/p>\n

C\u00e1c ch\u1ee7ng lo\u1ea1i th\u00e9p c\u1ea7n d\u00f9ng cho m\u1ed7i c\u1ea5u ki\u1ec7n b\u00ea t\u00f4ng ph\u1ea3i tu\u00e2n th\u1ee7 \u0111\u00fang theo b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf.<\/p>\n

Nghi\u1ec7m thu v\u00e0 b\u1ea3o qu\u1ea3n c\u1ed1t th\u00e9p,bu l\u00f4ng neo \u0111\u00e3 gia c\u00f4ng:<\/strong><\/p>\n

Vi\u1ec7c ki\u1ec3m tra, nghi\u1ec7m thu n\u1ed9i b\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh ngay t\u1ea1i \u0111\u1ecba \u0111i\u1ec3m gia c\u00f4ng . C\u1ed1t th\u00e9p v\u00e0 bu l\u00f4ng neo \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh t\u1eebng l\u00f4 theo t\u1eebng gi\u1ebfng v\u00e0 t\u1eebng lo\u1ea1i gi\u1ebfng \u0111\u1ec3 ti\u1ec7n cho vi\u1ec7c ki\u1ec3m tra,nghi\u1ec7m thu. \u1ede m\u1ed7i l\u00f4 n\u00f3i tr\u00ean s\u1ebd l\u1ea5y ra 5% s\u1ea3n ph\u1ea9m nh\u01b0ng kh\u00f4ng \u00edt h\u01a1n 5 c\u00e1i \u0111\u1ec3 ki\u1ec3m tra m\u1eb7t ngo\u00e0i v\u00e0 \u0111o k\u00edch th\u01b0\u1edbc. K\u1ebft qu\u1ea3 ki\u1ec3n tra c\u1ed1t th\u00e9p v\u00e0 k\u1ebft qu\u1ea3 ki\u1ec3m tra m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c ghi ch\u00e9p t\u1eebng ng\u00e0y v\u00e0o s\u1ed5 theo d\u00f5i c\u00f3 ghi r\u00f5 lo\u1ea1i s\u1ea3n ph\u1ea9m, t\u00ean ng\u01b0\u1eddi gia c\u00f4ng, ng\u01b0\u1eddi h\u00e0n,ch\u1ebf \u0111\u1ed9 h\u00e0n v\u00e0 s\u1ed1 hi\u1ec7u que h\u00e0n.<\/p>\n

To\u00e0n b\u1ed9 bu l\u00f4ng neo ch\u00fang t\u00f4i \u0111\u1eb7t gia c\u00f4ng ch\u1ebf t\u1ea1o t\u1ea1i X\u00ed nghi\u1ec7p bu l\u00f4ng \u1ed1c v\u00edt T\u1eeb s\u01a1n \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n v\u1ec1 c\u00f4ng tr\u00ecnh l\u1eafp \u0111\u1eb7t. Vi\u1ec7c gia c\u00f4ng ch\u1ebf t\u1ea1o bu l\u00f4ng neo ph\u1ea3i tu\u00e2n th\u1ee7 theo thi\u1ebft k\u1ebf v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n TCVN 5575-91, TCVN 1896-76.<\/p>\n

+ \u0110\u1eb7t<\/em> \u00a0bu\u1ed9c c\u1ed1p th\u00e9p gi\u1ebfng <\/em>:<\/p>\n

Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p v\u00e0 bu l\u00f4ng neo cho gi\u1ebfng ch\u00fang t\u00f4i m\u1eddi \u0111\u1ea1i di\u1ec7n \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean v\u00e0 t\u01b0 v\u1ea5n thi\u1ebft k\u1ebf nghi\u1ec7m thu giai \u0111o\u1ea1n v\u00e0 \u0111\u1ed3ng \u00fd cho chuy\u1ec3n b\u01b0\u1edbc thi c\u00f4ng.<\/p>\n

Tr\u00ecnh t\u1ef1\u00a0 l\u1eafp \u0111\u1eb7t bu l\u00f4ng neo v\u00e0 c\u1ed1t th\u00e9p cho gi\u1ebfng nh\u01b0 sau:<\/strong><\/p>\n

– <\/em>\u0110\u1eb7t, bu\u1ed9c th\u00e9p ch\u1ecbu l\u1ef1c v\u00e0 th\u00e9p \u0111ai tr\u00ean s\u00e2n th\u00e0nh h\u1ec7 khung. Sau khi chuy\u1ec3n khung th\u00e9p n\u00e0y xu\u1ed1ng h\u1ed1 gi\u1ebfng v\u00e0 \u0111\u1ecbnh v\u1ecb t\u00e2m gi\u1ebfng th\u00ec ti\u1ebfn h\u00e0nh c\u0103n ch\u1ec9nh v\u00e0 \u0111\u1ecbnh v\u1ecb ch\u1eafc ch\u1eafn khung th\u00e9p. Vi\u1ec7c \u0111\u1eb7t c\u00e1c th\u00e9p n\u1ed1i v\u00e0\u00a0 th\u00e9p \u0111ai ph\u1ea3i so le nhau.<\/p>\n

– <\/em>Bu l\u00f4ng neo cho gi\u1ebfng \u0111\u01b0\u1ee3c \u0111\u1eb7t gia c\u00f4ng theo ti\u00eau chu\u1ea9n v\u00e0 thi\u1ebft k\u1ebf. Tr\u01b0\u1edbc khi \u0111\u01b0a ra s\u1eed d\u1ee5ng cho c\u00f4ng tr\u00ecnh ch\u00fang t\u00f4i s\u1ebd xu\u1ea5t tr\u00ecnh \u0111\u1ea7y \u0111\u1ee7 c\u00e1c bi\u00ean b\u1ea3n th\u1eed nghi\u1ec7m \u0111\u1ea3m b\u1ea3o theo TCVN-5575-1991, TCVN 1896-76.<\/p>\n

L\u1eafp \u0111\u1eb7t xong c\u1ed1t th\u00e9p, bu l\u00f4ng neo ch\u00fang t\u00f4i b\u00e1o \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean nghi\u1ec7m thu, chuy\u1ec3n b\u01b0\u1edbc thi c\u00f4ng.<\/p>\n

Khi \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u1ebfn c\u1ed1t c\u1ea7n \u0111\u1eb7t bu l\u00f4ng neo th\u00ec ti\u1ebfn h\u00e0nh c\u00e2n ch\u1ec9nh v\u00e0 l\u1eafp khung \u0111\u1ecbnh v\u1ecb (g\u00f4ng ho\u1eb7c d\u01b0\u1ee1ng) bu l\u00f4ng v\u00e0o, d\u00f9ng \u00ea cu h\u00e3m t\u1ea1m bu l\u00f4ng v\u00e0o t\u1ea5m g\u00f4ng \u1edf m\u1eb7t tr\u00ean.\u00a0 Cao tr\u00ecnh \u0111\u1ec9nh bu l\u00f4ng so v\u1edbi \u0111\u1ec9nh m\u1eb7t tr\u1ee5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ho\u00e0n to\u00e0n theo b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf. Ph\u1ea7n bu l\u00f4ng (c\u00f3 ti\u1ec7n ren) l\u1ed9 thi\u00ean \u0111\u1ec3 b\u1eaft t\u1ea5m \u0111\u1ebf c\u1ed9t sau n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7\u00a0 c\u1ea9n th\u1eadn b\u1eb1ng c\u00e1ch b\u00f4i m\u1ee1 ho\u1eb7c b\u1ecdc gi\u1ea5y d\u1ea7u.<\/p>\n

Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p (c\u0169ng nh\u01b0 \u0111\u1ed5 b\u00ea t\u00f4ng)\u00a0 c\u00f3 thang \u0111\u1ec3 ph\u1ee5c v\u1ee5 l\u00ean xu\u1ed1ng h\u1ed1 gi\u1ebfng \u0111\u1ec3 tr\u00e1nh g\u00e2y s\u1ea1t l\u1edf v\u00e1ch gi\u1ebfng v\u00e0 va ch\u1ea1m trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

3.3. C\u00f4ng t\u00e1c v\u00e1n khu\u00f4n, s\u00e0n c\u00f4ng t\u00e1c: <\/em><\/strong><\/p>\n

V\u00e1n khu\u00f4n cho gi\u1ebfng ch\u00fang t\u00f4i ch\u1ee7 y\u1ebfu s\u1eed d\u1ee5ng lo\u1ea1i v\u00e1n khu\u00f4n th\u00e9p \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u1ebf t\u1ea1o ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a gi\u1ebfng.<\/p>\n

C\u00e1c t\u1ea5m v\u00e1n khu\u00f4n \u0111\u1ecbnh h\u00ecnh \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1edfi th\u00e9p t\u1ea5m v\u00e0 li\u00ean k\u1ebft h\u00e0n v\u1edbi c\u00e1c s\u01b0\u1eddn ngang, d\u1ecdc b\u1eb1ng th\u00e9p g\u00f3c L63x63x5 (gi\u1eb1ng L50x00x5). C\u00e1c t\u1ea5m \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau b\u1edfi c\u00e1c bu l\u00f4ng gi\u1eb1ng M10x30.<\/p>\n

Qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o v\u00e0 gh\u00e9p v\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c l\u01b0u \u00fd c\u00e1c t\u1ea5m v\u00e1n khu\u00f4n \u1edf c\u1eeda \u0111\u1ed5 (chi\u1ec1u cao h <1,5m), sao cho b\u00ea t\u00f4ng kh\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng trong khi \u0111\u1ed5.<\/p>\n

L\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n b\u1eb1ng th\u1ee7 c\u00f4ng, \u0111\u1ecbnh v\u1ecb ch\u1eafc ch\u1eafn b\u1eb1ng li\u00ean k\u1ebft thanh (g\u1ed7 ho\u1eb7c th\u00e9p) ho\u1eb7c c\u00e1c \u0111\u00e0 g\u1ed7 ch\u1ed1ng v\u00e0o c\u00e1c h\u1ed1 gi\u1ebfng k\u1ebft h\u1ee3p c\u00e1c d\u00e2y th\u00e9p n\u00e9o gi\u1eb1ng b\u1ed1n ph\u00eda v\u1edbi tr\u1ee5 v\u00e0 s\u00e0n m\u00e1i \u0111\u00e0 gi\u00e1o ph\u1ea3i ch\u1eafc ch\u1eafn tr\u00ean n\u1ec1n c\u1ee9ng kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t v\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng khi ch\u1ecbu t\u1ea3i tr\u1ecdng v\u00e0 t\u00e1c \u0111\u1ed9ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

Khi gh\u00e9p v\u00e1n khu\u00f4n th\u00e2n gi\u1ebfng, tr\u01b0\u1edbc ti\u00ean ph\u1ea3i x\u00e1c \u0111\u1ecbnh tim ngang v\u00e0 d\u1ecdc c\u1ee7a gi\u1ebfng. Ti\u1ebfp \u0111\u00f3, d\u1ef1ng v\u00e1n khu\u00f4n ph\u00eda ngo\u00e0i v\u00e0 ki\u1ec3m tra l\u1ea1i \u0111\u1ed9 th\u1eb3ng \u0111\u1ee9ng v\u00e0 c\u1ed1 \u0111\u1ecbnh c\u00e1c thanh ch\u1ed1ng v\u00e0o v\u00e1ch gi\u1ebfng \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng. D\u00f9ng d\u00e2y r\u1ecdi ki\u1ec3m tra tim v\u00e0 c\u1ea1nh. Ch\u1ed1ng v\u00e0 neo k\u1ef9 \u0111\u1ec3 gi\u1eef cho m\u1ea3nh \u0111\u00e3 gh\u00e9p v\u00e0 \u0111\u00fang v\u1ecb tr\u00ed.<\/p>\n

\"cc-loi-trmct-m-viettel-ang-xy-dnglp-t-62-638\"<\/a><\/p>\n

Ti\u1ebfp \u0111\u1ecba cho tr\u1ea1m BTS<\/strong><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n b\u1eb1ng th\u1ee7 c\u00f4ng ch\u00fang t\u00f4i s\u1ebd b\u1ed1 tr\u00ed nh\u1eefng c\u00f4ng nh\u00e2n hi\u1ec3u bi\u1ebft k\u1ef9 thu\u1eadt v\u1edbi lo\u1ea1i v\u00e1n khu\u00f4n c\u1ea7n th\u00e1o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi c\u0169ng nh\u01b0 k\u1ebft c\u1ea5u c\u1ee7a c\u00f4ng tr\u00ecnh. Tr\u00ecnh t\u1ef1 th\u00e1o v\u00e1n khu\u00f4n l\u00e0: c\u1ea5u ki\u1ec7n n\u00e0o l\u1eafp sau th\u00ec th\u00e1o tr\u01b0\u1edbc,c\u1ea5u ki\u1ec7n n\u00e0o l\u1eafp tr\u01b0\u1edbc th\u00ec th\u00e1o sau . \u0110\u1ea7u ti\u00ean th\u00e1o d\u1ee1 nh\u1eefng c\u1ea5u ki\u1ec7n kh\u00f4ng ch\u1ecbu t\u1ea3i tr\u1ecdng ho\u1eb7c \u00edt ch\u1ecbu t\u1ea3i tr\u1ecdng sau \u0111\u00f3 m\u1edbi ti\u1ebfn h\u00e0nh th\u00e1o d\u1ee1 \u0111\u1ebfn c\u00e1c c\u1ea5u ki\u1ec7n ch\u1ecbu t\u1ea3i tr\u1ecdng ho\u1eb7c ch\u1ecbu t\u1ea3i tr\u1ecdng l\u1edbn . Trong qu\u00e1 tr\u00ecnh th\u00e1o d\u1ee1 \u0111\u1ea3m b\u1ea3o sao cho sau khi th\u00e1o \u0111i t\u1eebng ph\u1ea7n,ph\u1ea7n c\u00f2n l\u1ea1i v\u1eabn \u1ed5n \u0111\u1ecbnh. Vi\u1ec7c th\u00e1o d\u1ee1 ti\u1ebfn h\u00e0nh sau khi b\u00ea t\u00f4ng \u0111\u1ee7 th\u1eddi gian \u0111\u00f4ng c\u1ee9ng theo quy \u0111\u1ecbnh.<\/p>\n

Vi\u1ec7c th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi ti\u1ebft n\u1ebfu v\u00e0o m\u00f9a h\u00e8 cho ph\u00e9p th\u00e1o c\u1ed1p pha s\u1edbm h\u01a1n v\u00e0o m\u00f9a \u0111\u00f4ng v\u00ec nhi\u1ec7t \u0111\u1ed9 m\u00f9a h\u00e8 cao h\u01a1n m\u00f9a \u0111\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a b\u00ea t\u00f4ng trong c\u00f9ng th\u1eddi gian v\u1ec1 m\u00f9a h\u00e8 s\u1ebd cao h\u01a1n.<\/p>\n

V\u00e1n khu\u00f4n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o \u0111\u1ed9\u00a0 kh\u00edt, k\u00edn ch\u1ed1ng ch\u1ea3y n\u01b0\u1edbc l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng.<\/p>\n

S\u00e0n c\u00f4ng t\u00e1c\u00a0 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 th\u1ea5p n\u00ean c\u00f3 th\u1ec3 k\u00ea b\u1eb1ng \u0111\u00e0 g\u1ed7, l\u00f3t b\u1eb1ng v\u00e1n \u0111\u1ecbnh h\u00ecnh, th\u00e1o l\u1eafp \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng cho c\u00e1c v\u1ecb tr\u00ed gi\u1ebfng . B\u00ea t\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u1ed5 khi c\u00e1c h\u1ec7 th\u1ed1ng v\u00e1n khu\u00f4n, gi\u00e0n gi\u00e1o \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t A t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng ki\u1ec3m tra v\u00e0 ch\u1ea5p nh\u1eadn \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng nh\u01b0 an to\u00e0n trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ,cho ph\u00e9p th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng t\u00e1c ti\u1ebfp theo.<\/p>\n

3.4. C\u00f4ng t\u00e1c b\u00ea t\u00f4ng:<\/em><\/strong><\/p>\n

B\u00ea t\u00f4ng \u0111\u00e1y gi\u1ebfng v\u00e0 th\u00e0nh gi\u1ebfng \u0111\u00fac t\u1ea1i ch\u1ed7 c\u00f3 \u0111\u1ed9 s\u00e2u 5,5 m so v\u1edbi m\u1eb7t \u0111\u1ea5t t\u1ef1 nhi\u00ean, n\u00ean trong qu\u00e1 tr\u00ecnh thi c\u00f4ng \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng b\u00ea t\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng s\u1ebd s\u1eed d\u1ee5ng theo m\u00e1ng \u0111\u1ed5 theo quy \u0111\u1ecbnh thi c\u00f4ng.<\/p>\n

* Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u v\u00e0 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n theo c\u1ea5p ph\u1ed1i :<\/p>\n

V\u1eadt li\u1ec7u c\u1ea7n chu\u1ea9n b\u1ecb cho c\u00f4ng t\u00e1c b\u00ea t\u00f4ng bao g\u1ed3m: xi m\u0103ng , c\u00e1t , \u0111\u00e1 d\u0103m , n\u01b0\u1edbc,…<\/p>\n

+ Xi m\u0103ng l\u1ea5y t\u1eeb kho c\u00f4ng tr\u01b0\u1eddng (ho\u1eb7c t\u1eeb ngu\u1ed3n cung c\u1ea5p) \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

+ C\u00e1t d\u00f9ng \u0111\u1ec3 tr\u1ed9n b\u00ea t\u00f4ng l\u00e0 c\u00e1t v\u00e0ng s\u1ea1ch, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t.<\/p>\n

+ \u0110\u00e1 tr\u1ed9n b\u00ea t\u00f4ng l\u00e0 lo\u1ea1i \u0111\u00e1 theo \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n

+ N\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 tr\u1ed9n b\u00ea t\u00f4ng ph\u1ea3i s\u1eed d\u1ee5ng n\u01b0\u1edbc s\u1ea1ch theo ti\u00eau chu\u1ea9n, tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng n\u01b0\u1edbc th\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y, kh\u00f4ng d\u00f9ng n\u01b0\u1edbc h\u1ed3 ao c\u00f3 nhi\u1ec1u ch\u1ea5t b\u1ea9n h\u1eefu c\u01a1, kh\u00f4ng d\u00f9ng n\u01b0\u1edbc c\u00f3 \u0111\u1ed9 pH cao.<\/p>\n

– \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n c\u1ea5p ph\u1ed1i c\u1ee7a b\u00ea t\u00f4ng ta c\u00f3 th\u1ec3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n l\u00e0 d\u00f9ng th\u00ed nghi\u1ec7m \u0111\u1ec3 ki\u1ec3m tra theo Ti\u00eau chu\u1ea9n TCVN-4453-95 ” H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng, t\u00ednh to\u00e1n v\u00e0 ki\u1ec3m tra ”<\/p>\n

Ngo\u00e0i ra ch\u00fang t\u00f4i chu\u1ea9n b\u1ecb s\u1eb5n c\u00e1c d\u1ee5ng c\u1ee5 c\u00e2n, \u0111ong v\u1eadt li\u1ec7u theo ti\u00eau chu\u1ea9n nh\u01b0: c\u00e2n, h\u1ed9c ch\u1ee9a c\u00e1t, \u0111\u00e1, \u00e2ng kim lo\u1ea1i, th\u00f9ng t\u00f4n,… \u0111\u1ea3m b\u1ea3o cho vi\u1ec7c c\u00e2n, \u0111ong, \u0111o v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c tr\u01b0\u1edbc khi tr\u1ed9n b\u00ea t\u00f4ng.<\/p>\n

– Ch\u00fang t\u00f4i s\u1ebd thu\u00ea c\u00e1c c\u01a1 quan ch\u1ee9c n\u0103ng l\u00e0m th\u00ed nghi\u1ec7m v\u1eadt li\u1ec7u, thi\u1ebft k\u1ebf c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng v\u00e0 l\u00e0m c\u00e1c th\u00ed nghi\u1ec7m \u00e9p m\u1eabu b\u00ea t\u00f4ng …<\/p>\n

*H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo c\u00e1c ch\u1ec9 d\u1eabn sau:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/em><\/p>\n

+ Ph\u00f2ng th\u00ed nghi\u1ec7m ph\u1ea3i ghi nh\u1eadn \u0111\u01b0\u1ee3c (b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh tr\u00ean m\u1eabu th\u1eed) t\u1ef7 l\u1ec7 xi m\u0103ng, l\u01b0\u1ee3ng n\u01b0\u1edbc, c\u1ee1 h\u1ea1t, \u0111\u1ed9 s\u1ee5t, \u0111\u1ed9 r\u1ed7ng v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 h\u1ed7n h\u1ee3p c\u1ee7a b\u00ea t\u00f4ng. \u0110\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u1ee5t c\u1ef1c \u0111\u1ea1i v\u00e0 c\u1ef1c ti\u1ec3u, c\u01b0\u1eddng \u0111\u1ed9 tr\u1ecdng l\u01b0\u1ee3ng b\u00ea t\u00f4ng b\u00ecnh th\u01b0\u1eddng c\u1ea7n \u0111\u00fac 4 m\u1eabu th\u1eed v\u1edbi l\u01b0\u1ee3ng n\u01b0\u1edbc xi m\u0103ng kh\u00e1c nhau. H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 s\u1eb5n trong n\u01b0\u1edbc. S\u1ed1 m\u1eabu d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n ph\u1ea3i tu\u00e2n theo ti\u00eau chu\u1ea9n TCVN -3118-93 “B\u00ea t\u00f4ng n\u1eb7ng-Ph\u01b0\u01a1ng ph\u00e1p th\u1eed c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n”, TCVN – 3106-93 “Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 s\u1ee5t” v\u00e0 TCVN – 4453-95 “H\u1ed7n h\u1ee3p b\u00ea t\u00f4ng t\u00ednh to\u00e1n v\u00e0 ki\u1ec3m tra”.<\/p>\n

Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi m\u1eabu th\u1eed l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng sau 7 ng\u00e0y th\u00ed nghi\u1ec7m ph\u1ea3i \u0111\u1ea1t 58,4% c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng sau 28 ng\u00e0y. T\u1eeb th\u00ed nghi\u1ec7m n\u00e0y gi\u00fap\u00a0 \u0111\u01b0a ra bi\u1ec3u \u0111\u1ed3 bi\u1ec3u th\u1ecb m\u1ed1i quan h\u1ec7 gi\u1eefa t\u1ef7 l\u1ec7 n\u01b0\u1edbc -xi m\u0103ng v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n. M\u1ed9t bi\u1ec3u \u0111\u1ed3\u00a0 c\u01b0\u1eddng \u0111\u1ed9 7 ng\u00e0y v\u00e0 bi\u1ec3u \u0111\u1ed3 c\u01b0\u1eddng \u0111\u1ed9 28 ng\u00e0y. M\u1ed7i c\u01b0\u1eddng \u0111\u1ed9 t\u00ednh to\u00e1n \u0111\u1ec1u d\u1ef1a tr\u00ean vi\u1ec7c th\u1eed h\u1ed7n h\u1ee3p v\u1eadt li\u1ec7u nh\u01b0 trong thi c\u00f4ng v\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n cho \u0111\u1ebfn khi c\u00f3 k\u1ebft qu\u1ea3 tho\u1ea3 \u0111\u00e1ng .<\/p>\n

+ Vi\u1ec7c \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c ph\u00e9p ti\u1ebfn h\u00e0nh khi c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0. Ngo\u1ea1i tr\u1eeb\u00a0 t\u00ednh to\u00e1n c\u1ea5p ph\u1ed1i v\u00e0 th\u00ed nghi\u1ec7m s\u01a1 b\u1ed9, c\u00f3 th\u1ec3 ch\u1ee9ng nh\u1eadn t\u1ea1m th\u1eddi k\u1ebft qu\u1ea3 th\u1eed 7 ng\u00e0y s\u01a1 b\u1ed9. Ph\u00f2ng th\u00ed nghi\u1ec7m c\u1ea7n th\u1eed nghi\u1ec7m th\u00eam v\u1ec1 th\u00e0nh ph\u1ea7n b\u00ea t\u00f4ng khi \u0111\u1eb7c t\u00ednh ho\u1eb7c ngu\u1ed3n g\u1ed1c v\u1eadt li\u1ec7u thay \u0111\u1ed5i v\u00e0 bi\u1ebfn th\u00e0nh t\u00ednh to\u00e1n h\u1ed7n h\u1ee3p m\u1edbi n\u1ebfu b\u00ea t\u00f4ng kh\u00f4ng \u0111\u00e1p \u1ee9ng c\u01b0\u1eddng \u0111\u1ed9 \u0111\u00e3 \u0111\u1ecbnh.<\/p>\n

– Tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng ti\u1ebfn h\u00e0nh ki\u1ec3m tra l\u1ea1i to\u00e0n b\u1ed9 v\u1eadt li\u1ec7u, cao \u0111\u1ed9 \u0111\u00e1y gi\u1ebfng ki\u1ec3m tra l\u1ea1i k\u00edch th\u01b0\u1edbc \u0111\u1ed5 b\u00ea t\u00f4ng , v\u1ec7 sinh m\u1eb7t b\u1eb1ng, l\u1eafp d\u1ef1ng c\u1ed1t th\u00e9p ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p v\u00e0 s\u1ed1 l\u01b0\u1ee3ng thanh th\u00e9p, ki\u1ec3m tra \u0111\u1ed9 v\u1eefng ch\u1eafc v\u00e0 k\u00edn kh\u00edt c\u1ee7a v\u00e1n khu\u00f4n v\u00e0\u00a0 \u0111\u00e3 \u0111\u01b0\u1ee3c qu\u00e9t ch\u1ed1ng d\u00ednh ch\u01b0a?, ki\u1ec3m tra to\u00e0n b\u1ed9 d\u1ee5ng c\u1ee5 \u0111ong \u0111o, \u0111\u1ea7m, \u0111\u1ed5, m\u00e1y m\u00f3c thi c\u00f4ng nh\u01b0 m\u00e1y tr\u1ed9n, m\u00e1y \u0111\u1ea7m … \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n \u0111\u1ec1 ra \u0111\u1ec1u \u0111\u1ea1t \u0111\u01b0\u1ee3c th\u00ec ch\u00fang t\u00f4i s\u1ebd m\u1eddi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean ki\u1ec3m tra \u0111\u1ed3ng \u00fd cho \u0111\u1ed5 b\u00ea t\u00f4ng.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed gi\u1ebfng c\u00f3 xu\u1ea5t hi\u1ec7n m\u1ea1ch n\u01b0\u1edbc ng\u1ea7m ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh b\u01a1m n\u01b0\u1edbc li\u00ean t\u1ee5c trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 sau khi \u0111\u1ed5 xong \u00edt nh\u1ea5t 10 ng\u00e0y. C\u00e1c v\u1ecb tr\u00ed n\u00e0y khi \u0111\u00e0o gi\u1ebfng \u0111\u00e3 \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng r\u00e3nh tho\u00e1t n\u01b0\u1edbc xung quang m\u00e9p ngo\u00e0i c\u1ee7a gi\u1ebfng v\u00e0 n\u01b0\u1edbc \u0111\u01b0\u1ee3c thu v\u1ec1 h\u1ed1 ga \u0111\u1ec3 b\u01a1m n\u01b0\u1edbc.<\/p>\n

C\u00f3 k\u1ebf ho\u1ea1ch cung \u1ee9ng \u0111\u1ee7 v\u1eefa b\u00ea t\u00f4ng, nh\u00e2n l\u1ef1c, thi\u1ebft b\u1ecb m\u00e1y m\u00f3c v\u00e0 d\u1ee5ng c\u1ee5 thi c\u00f4ng \u0111\u1ec3 \u0111\u1ed5 li\u00ean t\u1ee5c trong m\u1ed9t ca, m\u1ed9t k\u00edp\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 .<\/p>\n

C\u00e2n \u0111ong v\u1eadt li\u1ec7u c\u00e1t, s\u1ecfi, b\u1eb1ng h\u1ed9c \u0111ong kim lo\u1ea1i (gia c\u00f4ng s\u1eb5n). Xi m\u0103ng t\u00ednh theo kh\u1ed1i l\u01b0\u1ee3ng b\u1eb1ng kg. N\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 tr\u1ed9n \u0111\u1ea3m b\u1ea3o s\u1ea1ch v\u00e0 \u0111\u01b0\u1ee3c \u0111ong b\u1eb1ng th\u00f9ng t\u00f4n t\u00ednh theo th\u1ec3 t\u00edch.<\/p>\n

* Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n b\u00ea t\u00f4ng: Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n b\u00ea t\u00f4ng ch\u1ee7 y\u1ebfu b\u1eb1ng m\u00e1y tr\u1ed9n dung t\u00edch 250 l\u00edt c\u00e1c kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf \u0111\u01b0\u1ee3c tr\u1ed9n b\u1eb1ng th\u1ee7 c\u00f4ng (tr\u1ed9n tay).<\/p>\n

Nh\u1eefng y\u00eau c\u1ea7u khi tr\u1ed9n v\u1eefa b\u00ea t\u00f4ng:<\/p>\n

– Ph\u1ea3i tr\u1ed9n \u0111\u1ec1u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u1ec1 th\u00e0nh ph\u1ea7n.<\/p>\n

– Ph\u1ea3i \u0111\u1ea3m b\u1ea3o s\u1ed1 l\u01b0\u1ee3ng v\u00e0 th\u00e0nh ph\u1ea7n c\u1ed1t li\u1ec7u, \u0111\u00fang m\u00e1c b\u00ea t\u00f4ng, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 s\u1ee5t theo \u0111\u00fang y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

– T\u1ed5 ch\u1ee9c l\u1ef1c l\u01b0\u1ee3ng thi c\u00f4ng \u0111\u1ea3m b\u1ea3o sau khi tr\u1ed9n b\u00ea t\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed5 trong th\u1eddi gian nhanh nh\u1ea5t \u0111\u1ec3 tr\u00e1nh \u0111\u00f4ng c\u1ee9ng.<\/p>\n

Sai s\u1ed1 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u00ea t\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c l\u1edbn h\u01a1n gi\u00e1 tr\u1ecb quy \u0111\u1ecbnh trong quy ph\u1ea1m thi c\u00f4ng b\u00ea t\u00f4ng, c\u1ee5 th\u1ec3:<\/p>\n

+ L\u01b0\u1ee3ng c\u00e1t, \u0111\u00e1 kh\u00f4ng \u0111\u01b0\u1ee3c sai s\u1ed1 :\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b1 5%.<\/p>\n

+ L\u01b0\u1ee3ng xi m\u0103ng kh\u00f4ng \u0111\u01b0\u1ee3c sai qu\u00e1 :\u00a0\u00a0\u00a0 \u00a0\u00a0 \u00b1 2%<\/p>\n

+ T\u1ef7 l\u1ec7 N\/X (n\u01b0\u1edbc \/xi m\u0103ng) ph\u1ea3i tuy\u1ec7t \u0111\u1ed1i \u0111\u1ea3m b\u1ea3o.<\/p>\n

B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c\u00a0 tr\u1ed9n \u0111\u00fang theo thi\u1ebft k\u1ebf.<\/p>\n

* Th\u1ef1c hi\u1ec7n tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng m\u00e1y tr\u1ed9n :<\/em><\/p>\n

Tr\u01b0\u1edbc h\u1ebft cho m\u00e1y ch\u1ea1y kh\u00f4ng t\u1ea3i v\u00e0i ph\u00fat v\u1edbi m\u1ebb tr\u1ed9n \u0111\u1ea7u ti\u00ean th\u00ec \u0111\u1ed5 m\u1ed9t \u00edt n\u01b0\u1edbc cho \u01b0\u1edbt v\u1ecf c\u1ed1i tr\u1ed9n v\u00e0 b\u00e0n g\u1ea1t. Ti\u1ebfn h\u00e0nh n\u1ea1p\u00a0 c\u1ed1t li\u1ec7u theo tr\u00ecnh t\u1ef1 \u0111\u1ed5 v\u1eadt li\u1ec7u v\u00e0o m\u00e1y tr\u1ed9n nh\u01b0 sau:<\/p>\n

+ Tr\u01b0\u1edbc h\u1ebft \u0111\u1ed5 15%\u00b820% l\u01b0\u1ee3ng n\u01b0\u1edbc, sau \u0111\u00f3 \u0111\u1ed5 xi m\u0103ng v\u00e0 c\u1ed1t li\u1ec7u c\u00f9ng m\u1ed9t l\u00fac \u0111\u1ed3ng th\u1eddi \u0111\u1ed5 d\u1ea7n v\u00e0 li\u00ean t\u1ee5c ph\u1ea7n n\u01b0\u1edbc c\u00f2n l\u1ea1i. N\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o trong khi th\u00f9ng (tr\u1ed1ng tr\u1ed9n) \u0111ang quay. L\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0o (to\u00e0n b\u1ed9) kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 1% l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea7n thi\u1ebft cho m\u1ebb tr\u1ed9n v\u00e0 ph\u1ea3i \u0111\u1ed5 v\u00e0o tr\u01b0\u1edbc khi 1\/4 th\u1eddi gian tr\u1ed9n tr\u00f4i \u0111i.<\/p>\n

+ Trong qu\u00e1 tr\u00ecnh tr\u1ed9n do c\u00e1t \u0111\u1ec3 ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng c\u00f3 th\u1ec3 c\u00f3 \u0111\u1ed9 \u1ea9m cao, n\u1ebfu \u0111\u1ed9 \u1ea9m c\u1ee7a c\u00e1t t\u0103ng 3% th\u00ec l\u01b0\u1ee3ng c\u00e1t ph\u1ea3i l\u1ea5y t\u0103ng l\u00ean 25-30% v\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc gi\u1ea3m \u0111i<\/p>\n

+ Th\u1eddi gian tr\u1ed9n h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo tr\u00ecnh t\u1ef1 k\u1ef9 thu\u1eadt v\u00e0 y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 tr\u1ed9n nh\u01b0ng kh\u00f4ng qu\u00e1 2 ph\u00fat.<\/p>\n

Theo kinh nghi\u1ec7m, m\u00e1y tr\u1ed9n kho\u1ea3ng 20 v\u00f2ng quay l\u00e0 \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n

*Ph\u01b0\u01a1ng ph\u00e1p tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng th\u1ee7 c\u00f4ng : (Ch\u1ec9 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a Ch\u1ee7 \u0111\u1ea7u t\u01b0)<\/strong><\/em><\/p>\n

Tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng tay \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh tr\u00ean s\u00e0n tr\u1ed9n b\u1eb1ng t\u00f4n, ho\u1eb7c g\u1ed7 th\u00e9p ph\u1eb3ng v\u00e0 kh\u00edt, di\u1ec7n t\u00edch s\u00e0n tr\u1ed9n \u00edt nh\u1ea5t l\u00e0 5-7 m2. \u0110\u1eb7t h\u1ed9c l\u00ean s\u00e0n, \u0111\u1ed5 c\u00e1t ho\u1eb7c \u0111\u00e1 d\u0103m v\u00e0o, g\u1ea1t b\u1eb1ng \u0111\u1ec3 \u0111ong c\u1ed1t li\u1ec7u theo \u0111\u00fang c\u1ea5p ph\u1ed1i cho t\u1eebng m\u1ebb b\u00ea t\u00f4ng.<\/p>\n

Tr\u1ed9n b\u00ea t\u00f4ng theo th\u1ee9 t\u1ef1 sau: Tr\u1ed9n kh\u00f4 c\u00e1t v\u1edbi xi m\u0103ng tr\u01b0\u1edbc sau khi c\u00e1t v\u00e0 xi m\u0103ng \u0111\u1ec1u m\u1ea7u th\u00ec ti\u1ebfp t\u1ee5c cho \u0111\u00e1 v\u00e0o, khi cho \u0111\u00e1 v\u00e0o xi m\u0103ng c\u00e1t v\u1eeba cho v\u1eeba \u0111\u1ea3o \u0111\u1ebfn khi \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n

+ Tr\u1ed9n kh\u00f4 c\u00e1t v\u1edbi xi m\u0103ng: C\u00e1t \u0111\u00e3 \u0111ong c\u00e1n th\u00e0nh l\u1edbp m\u1ecfng, r\u1ea3i xi m\u0103ng l\u00ean r\u1ed3i tr\u1ed9n \u0111\u1ec1u. Khi tr\u1ed9n 2 ng\u01b0\u1eddi \u0111\u1ee9ng \u0111\u1ed1i di\u1ec7n nhau, d\u00f9ng x\u1ebbng x\u00fac \u0111\u1ed5 sang b\u00ean c\u1ea1nh. Ch\u00fa \u00fd \u0111\u1ed5 nghi\u00eang x\u1ebbng \u0111\u1ec3 xi m\u0103ng v\u00e0 c\u00e1t ch\u1ea3y xu\u1ed1ng tr\u1ed9n l\u1eabn v\u00e0o nhau. Tr\u1ecdn \u00edt nh\u1ea5t 3 l\u1ea7n \u0111\u1ebfn khi th\u1ea5y xi m\u0103ng v\u00e0 c\u00e1t \u0111\u1ec1u m\u00e0u l\u00e0 \u0111\u01b0\u1ee3c. Do tr\u1ed9n b\u00ea t\u00f4ng b\u1eb1ng th\u1ee7 c\u00f4ng cho n\u00ean l\u01b0\u1ee3ng xi m\u0103ng s\u1ebd \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i t\u0103ng th\u00eam l\u01b0\u1ee3ng xi m\u0103ng so v\u1edbi tr\u1ed9n b\u1eb1ng m\u00e1y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1c thi\u1ebft k\u1ebf c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n

+ Tr\u1ed9n h\u1ed7n h\u1ee3p c\u00e1t, xi m\u0103ng v\u1edbi \u0111\u00e1 d\u0103m v\u00e0 m\u1ed9t ph\u1ea7n n\u01b0\u1edbc nh\u1ea5t \u0111\u1ecbnh:<\/p>\n

R\u1ea3i \u0111\u00e1 th\u00e0nh m\u1ed9t l\u1edbp tr\u00ean s\u00e0n, r\u1ea3i h\u1ed7n h\u1ee3p c\u00e1t xi m\u0103ng l\u00ean tr\u00ean v\u00e0 t\u01b0\u1edbi n\u01b0\u1edbc tr\u1ed9n 2 l\u1ea7n nh\u01b0 c\u00e1ch tr\u1ed9n xi m\u0103ng v\u1edbi c\u00e1t.<\/p>\n

+ Cu\u1ed1i c\u00f9ng t\u01b0\u1edbi to\u00e0n b\u1ed9 s\u1ed1 n\u01b0\u1edbc c\u00f2n l\u1ea1i l\u00ean h\u1ed7n h\u1ee3p, mi\u1ec7ng th\u00f9ng t\u01b0\u1edbi v\u1eeba. Khi tr\u1ed9n \u01b0\u1edbt c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p d\u00f9ng c\u00e0o 3 r\u0103ng \u0111\u1ec3 tr\u1ed9n cho \u0111\u1ec1u th\u1eddi gian tr\u1ed9n m\u1ed9t c\u1ed1i b\u00ea t\u00f4ng th\u1ee7 c\u00f4ng kh\u00f4ng qu\u00e1 20 ph\u00fat.<\/p>\n

*V\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng<\/em> :<\/p>\n

– V\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u00fac t\u1ea1i ch\u1ed7 th\u1ef1c hi\u1ec7n b\u1eb1ng th\u1ee7 c\u00f4ng. D\u1ee5ng c\u1ee5 \u0111\u1ec3 v\u1eadn chuy\u1ec3n l\u00e0 quang g\u00e1nh hay b\u0103ng-ca ho\u1eb7c m\u00e1ng (tu\u1ef3 theo \u0111\u1ecba h\u00ecnh), n\u1ebfu thi c\u00f4ng b\u00ea t\u00f4ng \u0111\u00fac t\u1ea1i ch\u1ed7 c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n b\u1eb1ng xe c\u1ea3i ti\u1ebfn khi v\u1eadn chuy\u1ec3n b\u1eb1ng xe c\u1ea3i ti\u1ebfn tr\u00e1nh b\u1ecb x\u00f3c ho\u1eb7c n\u1ea3y \u0111\u1ec3 kh\u1ecfi g\u00e2y ph\u00e2n t\u1ea7ng cho b\u00ea t\u00f4ng trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. C\u00e1c ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n \u0111\u01b0\u1ee3c x\u1eed l\u00fd kh\u00edt, k\u00edn \u0111\u1ec3 b\u00ea t\u00f4ng kh\u00f4ng b\u1ecb ch\u1ea3y n\u01b0\u1edbc, kh\u00f4ng l\u00e0m r\u00f2 r\u1ec9 n\u01b0\u1edbc xi m\u0103ng, kh\u00f4ng l\u00e0m cho v\u1eefa b\u00ea t\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng.<\/p>\n

– Th\u1eddi gian tr\u1ed9n v\u00e0 v\u1eadn chuy\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u1ed5 ph\u1ea3i nh\u1ecf h\u01a1n th\u1eddi gian ninh k\u1ebft c\u1ee7a xi m\u0103ng (kho\u1ea3ng 2 gi\u1edd), k\u00e9o d\u00e0i th\u1eddi gian n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00ea t\u00f4ng. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3 mu\u1ed1n c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng nh\u01b0 thi\u1ebft k\u1ebf th\u00ec tr\u01b0\u1edbc khi \u0111\u1ed5 c\u1ea7n ph\u1ea3i tr\u1ed9n l\u1ea1i v\u00e0 cho th\u00eam m\u1ed9t l\u01b0\u1ee3ng xi m\u0103ng b\u1eb1ng 15-20% l\u01b0\u1ee3ng xi m\u0103ng theo c\u1ea5p ph\u1ed1i.<\/p>\n

– Khi \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea3i \u0111\u1ed5 th\u00e0nh t\u1eebng l\u1edbp \u0111\u1ed9 cao tr\u00fat v\u1eefa khi \u0111\u1ed5 \u00a31,5m. \u0110\u1ed5 kh\u1ed1i b\u00ea t\u00f4ng\u00a0 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh li\u00ean t\u1ee5c, \u0111\u1ed5 \u0111\u1ebfn \u0111\u00e2u \u0111\u1ea7m \u0111\u1ebfn \u0111\u00f3 v\u00e0 kh\u00f4ng \u0111\u1ec3 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n thi c\u00f4ng va v\u00e0o v\u00e1n khu\u00f4n v\u00e0 c\u1ed1t th\u00e9p l\u00e0m sai l\u1ec7ch v\u1ecb tr\u00ed \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh d\u1ea1ng ban \u0111\u1ea7u, n\u1ebfu c\u00f3 s\u1ef1 sai l\u1ec7ch hay bi\u1ebfn d\u1ea1ng ph\u1ea3i s\u1eeda ngay trong khi b\u00ea t\u00f4ng ch\u01b0a k\u1ecbp \u0111\u00f4ng k\u1ebft.<\/p>\n

– Trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea3i c\u00f3 \u00edt nh\u1ea5t 01 c\u00f4ng nh\u00e2n c\u00f3 tr\u00e1ch nhi\u1ec7m ch\u1ec9nh s\u1eeda c\u00e1c sai l\u1ec7ch c\u1ee7a c\u1ed1p pha hay c\u1ee7a c\u1ed1t th\u00e9p. Ki\u1ec3m tra c\u00e1c cao \u0111\u1ed9 khi \u0111\u1ebfn c\u00e1c v\u1ecb tr\u00ed \u0111\u00e3 \u0111\u00e1nh d\u1ea5u tr\u01b0\u1edbc khi \u0111\u1ed5 theo \u0111\u00fang b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf.<\/p>\n

– B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5 t\u1eeb xa v\u1ec1 g\u1ea7n so v\u1edbi v\u1ecb tr\u00ed ti\u1ebfp nh\u1eadn v\u1eefa b\u00ea t\u00f4ng nguy\u00ean t\u1eafc n\u00e0y nh\u1eb1m \u0111\u1ea3m b\u1ea3o khi \u0111\u1ed5 b\u00ea t\u00f4ng kh\u00f4ng \u0111i l\u1ea1i tr\u00ean c\u00e1c k\u1ebft c\u1ea5u b\u00ea t\u00f4ng v\u1eeba \u0111\u1ed5 xong. Khi \u0111\u1ed5 b\u00ea t\u00f4ng c\u00e1c gi\u1ebfng, tr\u1ee5 gi\u1ebfng c\u00f3 chi\u1ec1u d\u00e0y b\u00ea t\u00f4ng l\u1edbn th\u00ec ph\u1ea3i \u0111\u1ed5 l\u00e0m nhi\u1ec1u l\u1edbp. Chi\u1ec1u d\u00e0y m\u1ed7i l\u1edbp \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean b\u00e1n k\u00ednh \u1ea3nh h\u01b0\u1edfng v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a lo\u1ea1i \u0111\u1ea7m s\u1eed d\u1ee5ng th\u01b0\u1eddng l\u00e0 20-30cm.<\/p>\n

* \u0110\u1ea7m b\u00ea t\u00f4ng:\u00a0\u00a0\u00a0\u00a0 <\/em><\/p>\n

Ch\u00fang t\u00f4i s\u1ebd b\u1ed1 tr\u00ed c\u00e1c c\u00f4ng nh\u00e2n ph\u1ee5 tr\u00e1ch c\u00f4ng vi\u1ec7c \u0111\u1ea7m b\u00ea t\u00f4ng m\u1ed7i m\u00e1y g\u1ed3m 02 ng\u01b0\u1eddi, 01 ng\u01b0\u1eddi \u0111\u1ea7m v\u00e0 01 ng\u01b0\u1eddi c\u00f3 nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ch\u1ec9nh m\u00e1y, k\u00e9o v\u00f2i \u0111\u1ea7m… t\u1ea5t c\u1ea3 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m theo th\u1ee9 t\u1ef1 tr\u00e1nh b\u1ecb b\u1ecf s\u00f3t l\u00e0m \u1ea3nh h\u01b0\u1edfng t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00ea t\u00f4ng<\/p>\n

\u0110\u1ea7m b\u00ea t\u00f4ng nh\u1eb1m \u0111\u1ea3m b\u1ea3o cho kh\u1ed1i b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed3ng nh\u1ea5t, \u0111\u1eb7c ch\u1eafc kh\u00f4ng b\u1ecb r\u1ed7 trong ho\u1eb7c r\u1ed7 ngo\u00e0i. T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng b\u00e1m ch\u1eb7t v\u00e0o c\u1ed1t th\u00e9p \u0111\u1ec3 to\u00e0n kh\u1ed1i b\u00ea t\u00f4ng c\u1ed1t th\u00e9p c\u00f9ng ch\u1ecbu l\u1ef1c.<\/p>\n

\u0110\u1ea7m b\u00ea t\u00f4ng cho gi\u1ebfng d\u00f9ng \u0111\u1ea7m d\u00f9i k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ea7m b\u00e0n \u0111\u1ec3 \u0111\u1ea7m l\u1edbp m\u1eb7t. Th\u1eddi gian \u0111\u1ea7m t\u1ea1i m\u1ed7i v\u1ecb tr\u00ed ph\u1ea3i \u0111\u1ea3m b\u1ea3o cho b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea7m k\u1ef9. D\u1ea5u hi\u1ec7u \u0111\u1ec3 nh\u1eadn bi\u1ebft b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ea7m k\u1ef9 l\u00e0 v\u1eefa xi m\u0103ng n\u1ed5i n\u00ean b\u1ec1 m\u1eb7t v\u00e0 b\u1ecdt kh\u00ed kh\u00f4ng c\u00f2n n\u1eefa. \u0110\u1ea7m n\u00e9n ph\u1ea3i \u0111\u01b0\u1ee3c ho\u00e0n t\u1ea5t tr\u01b0\u1edbc khi b\u00ea t\u00f4ng \u0111\u00f4ng \u0111\u1eb7c l\u1ea7n \u0111\u1ea7u ti\u00ean.<\/p>\n

+ Khi s\u1eed d\u1ee5ng \u0111\u1ea7m d\u00f9i, b\u01b0\u1edbc di chuy\u1ec3n c\u1ee7a \u0111\u1ea7m kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1,5 l\u1ea7n b\u00e1n k\u00ednh t\u00e1c d\u1ee5ng c\u1ee7a \u0111\u1ea7m v\u00e0 \u0111\u01b0\u1ee3c c\u1eafm s\u00e2u v\u00e0o l\u1edbp b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u1ed5 tr\u01b0\u1edbc 10cm.<\/p>\n

+ Khi s\u1eed d\u1ee5ng \u0111\u1ea7m b\u00e0n b\u1ec1 m\u1eb7t, m\u00e1y rung s\u1ebd nh\u00fang v\u00e0o c\u00e1c \u0111i\u1ec3m c\u00e1ch nhau 0,5m t\u1edbi 0,75m v\u00e0 t\u1edbi th\u1eddi gian t\u1eeb 5 \u0111\u1ebfn 10 gi\u00e2y. Chi\u1ec1u s\u00e2u t\u1ed1i \u0111a c\u1ee7a b\u00ea t\u00f4ng rung kh\u00f4ng qu\u00e1 0,8m. M\u00e1y rung kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u00e8 v\u00e0o b\u00ea t\u00f4ng khi \u0111\u00e3 b\u1eaft \u0111\u1ea7u \u0111\u00f4ng k\u1ebft ,nh\u01b0ng ph\u1ea3i xuy\u00ean qua ph\u1ea7n b\u00ea t\u00f4ng b\u00ean d\u01b0\u1edbi l\u1edbp b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed5 \u0111\u1ec3 \u0111\u1ea7m n\u00e9n b\u00ea t\u00f4ng v\u00e0 lo\u1ea1i tr\u1eeb s\u1ef1 ph\u00e2n l\u1edbp b\u00ea t\u00f4ng.<\/p>\n

N\u1ebfu \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng cho ph\u00e9p \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng li\u00ean t\u1ee5c (\u0111\u1ed5 b\u00ea t\u00f4ng kh\u1ed1i l\u1edbn ho\u1eb7c \u0111ang \u0111\u1ed5 g\u1eb7p \u0111i\u1ec1u ki\u1ec7n tr\u1eddi m\u01b0a, b\u00e3o v.v…) th\u00ec ph\u1ea3i t\u1ea1m d\u1eebng \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i \u0111i\u1ec3m d\u1eebng cho ph\u00e9p g\u1ecdi l\u00e0 m\u1ea1ch ng\u1eebng thi c\u00f4ng (kh\u1edbp n\u1ed1i thi c\u00f4ng) v\u00e0 ph\u1ea3i x\u1eed l\u00fd \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt nh\u01b0\u00a0 sau:<\/p>\n

+ Tr\u01b0\u1edbc h\u1ebft b\u00f3c l\u1edbp b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng c\u0169 :<\/p>\n

–\u00a0 V\u1edbi b\u00ea t\u00f4ng c\u00f2n t\u01b0\u01a1i: D\u00f9ng v\u00f2i n\u01b0\u1edbc phun m\u1ea1nh k\u1ebft h\u1ee3p ch\u1ed5i x\u01b0\u01a1ng qu\u00e9t \u0111\u1ec3 l\u1ed9 c\u00e1c vi\u00ean \u0111\u00e1.<\/p>\n

– V\u1edbi b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng (kh\u00f4ng qu\u00e1 1 gi\u1edd t\u1eeb khi \u0111\u1ed5 b\u00ea t\u00f4ng) d\u00f9ng \u0111\u1ee5c \u0111\u1ec3 \u0111\u00e1nh s\u1eddm \u0111\u1ec1u b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng \u0111\u1ec3 l\u00e0m l\u1ed9 c\u00e1c vi\u00ean \u0111\u00e1 ra.<\/p>\n

– V\u1edbi b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng qu\u00e1 l\u00e2u (qu\u00e1 1 gi\u1edd t\u1eeb khi \u0111\u1ed5 b\u00ea t\u00f4ng): Ph\u1ea3i \u0111\u1ee5c s\u00e2u \u0111\u1ebfn 12mm b\u1ec1 m\u1eb7t.<\/p>\n

+ M\u1eb7t ph\u1eb3ng n\u1ed1i k\u1ebft \u0111\u01b0\u1ee3c qu\u00e9t c\u1ecd kh\u00f4, v\u1ec7 sinh s\u1ea1ch s\u1ebd, l\u00e0m \u01b0\u1edbt v\u00e0 t\u00f4 m\u1ed9t l\u1edbp m\u1ecfng h\u1ed3 xi m\u0103ng c\u00e1t gi\u1ed1ng h\u1ec7t \u0111\u1eb7c t\u00ednh c\u1ee7a b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5.<\/p>\n

+ Sau \u0111\u00f3 ti\u1ebfn h\u00e0nh qui tr\u00ecnh tr\u1ed9n, \u0111\u1ed5, \u0111\u1ea7m b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed5.<\/p>\n

*C\u00f4ng t\u00e1c ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng:<\/em><\/p>\n

D\u00f9ng\u00a0 bay\u00a0 s\u1eaft v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ea7m g\u1ed7 n\u1ea1ng \u0111\u1ec3 t\u1ea1o m\u1eb7t b\u00ea t\u00f4ng ph\u1eb3ng (khi m\u1eb7t b\u00ea t\u00f4ng r\u00e1o v\u00e0 ch\u01b0a ninh k\u1ebft), \u0111\u1ea3m b\u1ea3o li\u00ean k\u1ebft v\u1edbi c\u00e1c thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c. Vi\u1ec7c \u0111\u1ea7m n\u1ec7n b\u1eb1ng \u0111\u1ea7m g\u1ed7 ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u1eb3ng g\u00f3c v\u1edbi c\u00e1c m\u1eb7t nghi\u00eang c\u1ee7a c\u1ea5u ki\u1ec7n.<\/p>\n

C\u00e1c ch\u1ed7 b\u00ea t\u00f4ng b\u1ecb r\u1ed7 (n\u1ebfu c\u00f3) \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1eb1ng c\u00e1ch tr\u00e1t v\u1eefa \u0111\u1eb7c xi m\u0103ng c\u00e1t c\u00f3 t\u1ef7 l\u1ec7 c\u1ea5p ph\u1ed1i c\u00f9ng v\u1edbi c\u1ea5p ph\u1ed1i c\u1ee7a b\u00ea t\u00f4ng. Sau khi ho\u00e0n thi\u1ec7n xong m\u1eb7t b\u00ea t\u00f4ng ch\u00fang t\u00f4i s\u1ebd d\u00f9ng b\u1ea1t \u0111\u1ec3 che to\u00e0n b\u1ed9 k\u1ebft c\u1ea5u \u0111\u1ec3 tr\u00e1nh m\u1eb7t b\u00ea t\u00f4ng b\u1ecb ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi n\u1eafng trong m\u00f9a h\u00e8 g\u00e2y n\u00ean nh\u1eefng r\u1ea1n n\u1ee9t ho\u1eb7c tr\u00e1nh c\u00e1c c\u01a1n m\u01b0a khi b\u00ea m\u1eb7t b\u00ea t\u00f4ng c\u00f2n \u01b0\u1edbt d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng r\u1ed7 m\u1eb7t b\u00ea t\u00f4ng.<\/p>\n

Sau khi \u0111\u1ed5, b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng theo qui ph\u1ea1m, b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng trong \u0111i\u1ec1u ki\u1ec7n c\u00f3 \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00f3ng r\u1eafn v\u00e0 ng\u0103n ng\u1eeba c\u00e1c \u1ea3nh h\u01b0\u1edfng c\u00f3 h\u1ea1i trong qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n

B\u1ea3o d\u01b0\u1ee1ng l\u00e0 qu\u00e1 tr\u00ecnh gi\u1eef cho b\u00ea t\u00f4ng c\u00f3 \u0111\u1ee7 \u0111\u1ed9 \u1ea9m c\u1ea7n thi\u1ebft \u0111\u1ec3 ninh k\u1ebft v\u00e0\u00a0 \u0111\u00f3ng r\u1eafn sau khi t\u1ea1o h\u00ecnh. Ph\u01b0\u01a1ng ph\u00e1p v\u00e0 quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ed9 \u1ea9m th\u1ef1c hi\u1ec7n theo TCVN 5592-1991″B\u00ea t\u00f4ng n\u1eb7ng – y\u00eau c\u1ea7u b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ed9 \u1ea9m t\u1ef1 nhi\u00ean”.<\/p>\n

Vi\u1ec7c thi c\u00f4ng b\u00ea t\u00f4ng trong th\u1eddi ti\u1ebft n\u00f3ng (nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng cao h\u01a1n 30\u00b0C) s\u1ebd ti\u1ebfn h\u00e0nh th\u00eam c\u00e1c bi\u1ec7n ph\u00e1p v\u00e0 ph\u00f2ng ng\u1eeba th\u00edch h\u1ee3p \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u, qu\u00e1 tr\u00ecnh tr\u1ed9n, \u0111\u1ed5 \u0111\u1ea7m v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng \u0111\u1ec3 kh\u00f4ng l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng do nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a m\u00f4i tr\u01b0\u1eddng g\u00e2y ra.\u00a0 Nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng t\u1eeb m\u00e1y tr\u1ed9n \u0111\u01b0\u1ee3c kh\u1ed1ng ch\u1ebf kh\u00f4ng l\u1edbn h\u01a1n 35\u00b0C.<\/p>\n

3.5. C\u00f4ng t\u00e1c th\u00ed ngh\u1ecb\u00eam:\u00a0 <\/em><\/strong><\/p>\n

-Vi\u1ec7c ki\u1ec3m tra v\u00e0 th\u00ed nghi\u1ec7m \u1edf c\u00f4ng tr\u01b0\u1eddng ho\u1eb7c trong ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u01b0\u1edbi s\u1ef1 gi\u00e1m s\u00e1t c\u1ee7a K\u1ef9 s\u01b0 b\u00ean m\u1eddi th\u1ea7u ho\u1eb7c ng\u01b0\u1eddi \u0111\u1ea1i di\u1ec7n \u0111\u01b0\u1ee3c u\u1ef7 quy\u1ec1n.<\/p>\n

-Vi\u1ec7c th\u1eed xi m\u0103ng v\u00e0 c\u1ed1t li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng nh\u01b0 y\u00eau c\u1ea7u thi\u1ebft k\u1ebf .<\/p>\n

– \u0110\u01a1n v\u1ecb thi c\u00f4ng c\u00f3 \u0111\u1ea7y \u0111\u1ee7 \u1edf c\u00f4ng tr\u01b0\u1eddng c\u00e1c lo\u1ea1i khu\u00f4n th\u00e9p m\u1eabu c\u1ea7n thi\u1ebft v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng.<\/p>\n

– M\u1eabu th\u1eed b\u00ea t\u00f4ng ph\u1ea3i lu\u00f4n tu\u00e2n theo c\u00e1c y\u00eau c\u1ea7u trong \u0111i\u1ec1u 7.17 m\u1ee5c b m\u1ee5c e c\u1ee7a TCVN4453-95 ” H\u1ed7n b\u00ea t\u00f4ng, t\u00ednh to\u00e1n v\u00e0 ki\u1ec3m tra”.<\/p>\n

– C\u00f4ng ty s\u1ebd ph\u1ed1i h\u1ee3p v\u1edbi Ph\u00f2ng th\u00ed nghi\u1ec7m ti\u1ebfn h\u00e0nh c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c nhanh ch\u00f3ng v\u00e0 thu\u1eadn l\u1ee3i, t\u1ea1o m\u1ecdi \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho ph\u00f2ng th\u1eed nghi\u1ec7m t\u1edbi l\u00e0m vi\u1ec7c t\u1ea1i n\u01a1i tr\u1ed9n b\u00ea t\u00f4ng. \u0110\u01a1n v\u1ecb thi c\u00f4ng s\u1ebd cung c\u1ea5p cho ph\u00f2ng th\u00ed nghi\u1ec7m \u1edf t\u1ea1i c\u00f4ng tr\u01b0\u1eddng m\u1ecdi thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ee9a v\u00e0 b\u1ea3o qu\u1ea3n c\u00e1c m\u1eabu b\u00ea t\u00f4ng theo y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n

– M\u1ecdi vi\u1ec7c l\u00e0m, \u0111i\u1ec1u h\u00e0nh, v\u1eadn chuy\u1ec3n v\u00e0 b\u1ea3o d\u01b0\u1ee1ng c\u00e1c m\u1eabu th\u1eed ch\u1ec9 do ph\u00f2ng th\u00ed nghi\u1ec7m ti\u1ebfn h\u00e0nh.<\/p>\n

– Ph\u00f2ng th\u00ed nghi\u1ec7m ph\u1ea3i ti\u1ebfn h\u00e0nh th\u1eed, bao g\u1ed3m (nh\u01b0ng kh\u00f4ng h\u1ea1n ch\u1ebf) nh\u1eefng n\u1ed9i dung sau:<\/p>\n

+ Th\u1eed th\u00e0nh ph\u1ea7n b\u00ea t\u00f4ng nh\u01b0 xi m\u0103ng, c\u00e1t, \u0111\u00e1, n\u01b0\u1edbc.<\/p>\n

+ Ki\u1ec3m tra v\u00e0 xem x\u00e9t c\u1ea5p ph\u1ed1i t\u00ednh to\u00e1n d\u1ef1 ki\u1ebfn .<\/p>\n

+ Ki\u1ec3m tra nh\u00e0 x\u01b0\u1edfng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb cho vi\u1ec7c \u0111o \u0111\u1ea1c, tr\u1ed9n v\u00e0 ph\u00e2n ph\u1ed1i b\u00ea t\u00f4ng.<\/p>\n

+ Ki\u1ec3m tra nh\u00e0 x\u01b0\u1edfng v\u00e0 thi\u1ebft b\u1ecb \u0111ong, \u0111o.<\/p>\n

+ Ki\u1ec3m tra vi\u1ec7c tr\u1ed9n b\u00ea t\u00f4ng.<\/p>\n

+ Ki\u1ec3m tra phi\u1ebfu giao c\u1ee7a c\u00e1c x\u01b0\u1edfng tr\u1ed9n b\u00ea t\u00f4ng.<\/p>\n

– H\u1ed3 s\u01a1 th\u00ed nghi\u1ec7m v\u00e0 ki\u1ec3m tra, bao g\u1ed3m nh\u1eefng n\u1ed9i dung sau:<\/p>\n

+ Ki\u1ec3m tra phi\u1ebfu giao c\u1ee7a c\u00e1c x\u01b0\u1edfng tr\u1ed9n b\u00ea t\u00f4ng.<\/p>\n

+ Ki\u1ec3m tra kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc trong vi\u1ec7c tr\u1ed9n b\u00ea t\u00f4ng, n\u1ebfu \u0111\u01b0\u1ee3c ph\u00e9p c\u00f3 th\u1ec3 ki\u1ec3m tra ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

+ L\u1ea5y m\u1eabu th\u00ed nghi\u1ec7m v\u00e0 \u0111\u1ed9 r\u1ed7ng trong b\u00ea t\u00f4ng.<\/p>\n

+ L\u1ea5y m\u1eabu th\u1eed c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n trong ph\u00f2ng th\u00ed nghi\u1ec7m.<\/p>\n

+ \u0110o nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eefa h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng, ho\u1eb7c b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u1ed5 v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u00ea t\u00f4ng trong th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng.<\/p>\n

+ \u0110o nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 v\u00e0 b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng.<\/p>\n

– \u0110\u00e1nh gi\u00e1 th\u00ed nghi\u1ec7m:<\/p>\n

+ Khi k\u1ebft qu\u1ea3 th\u1eed m\u1eabu 7 ng\u00e0y kh\u00f4ng tho\u1ea3 m\u00e3n. \u0110\u01a1n v\u1ecb thi c\u00f4ng c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u1ec3 thay th\u1ebf b\u00ea t\u00f4ng kh\u00f4ng \u0111\u1ea1t m\u00e0 kh\u00f4ng ch\u1edd t\u1edbi ng\u00e0y th\u1ee9 28. N\u1ebfu k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m sau 28 ng\u00e0y c\u0169ng kh\u00f4ng \u0111\u1ea1t th\u00ec kh\u1ed1i b\u00ea t\u00f4ng \u0111\u00e3 l\u1ea5y m\u1eabu th\u1eed s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf v\u00e0 cho d\u1eebng c\u00f4ng vi\u1ec7c \u0111\u1ed5 b\u00ea t\u00f4ng. C\u00f4ng vi\u1ec7c n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh cho \u0111\u1ebfn khi \u0111\u01b0\u1ee3c s\u1ef1 cho ph\u00e9p c\u1ee7a k\u1ef9 s\u01b0 b\u00ean m\u1eddi th\u1ea7u v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi quy \u0111\u1ecbnh \u0111\u00e3 n\u00eau tr\u00ean. N\u1ebfu k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m tho\u1ea3 m\u00e3n y\u00eau c\u1ea7u c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh thi c\u00f4ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n

+ Trong \u0111i\u1ec1u ki\u1ec7n c\u1ea7n thi\u1ebft, \u0111\u01a1n v\u1ecb thi c\u00f4ng c\u00f3 th\u1ec3 ch\u1ec9 \u0111\u1ecbnh ra th\u1eddi \u0111i\u1ec3m th\u00edch h\u1ee3p \u0111\u1ec3 th\u00ed nghi\u1ec7m c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng. Vi\u1ec7c th\u1eed c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh khi c\u00f3 s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a K\u1ef9 s\u01b0 b\u00ean m\u1eddi th\u1ea7u. Trong tr\u01b0\u1eddng h\u1ee3p k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u, c\u00f3 ngh\u0129a l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, C\u00f4ng ty c\u00f3 tr\u00e1ch nhi\u1ec7m x\u1eed l\u00fd b\u1eb1ng kinh ph\u00ed c\u1ee7a m\u00ecnh.<\/p>\n

4. Bi\u1ec7n ph\u00e1p l\u1eafp d\u1ef1ng c\u1ed9t th\u00e9p :\u00a0\u00a0 <\/strong><\/p>\n

To\u00e0n b\u1ed9 v\u1eadt li\u1ec7u c\u1ed9t \u0103ng ten t\u1ef1 \u0111\u1ee9ng cao 44,5m thu\u1ed9c \u0110\u1ecb\u00ean l\u1ef1c \u0110i\u1ec7n bi\u00ean do b\u00ean A c\u1ea5p t\u1ea1i c\u00f4ng tr\u00ecnh b\u00ean B ti\u1ebfp nh\u1eadn, b\u1ea3o qu\u1ea3n v\u00e0 l\u1eafp d\u1ef1ng.<\/p>\n

4.1 Ti\u1ebfp nh\u1eadn c\u1ed9t th\u00e9p : <\/em><\/p>\n

\u0110\u01a1n v\u1ecb thi c\u00f4ng ch\u00fang t\u00f4i c\u00f3 tr\u00e1ch nhi\u1ec7m ti\u1ebfp nh\u1eadn v\u1eadn chuy\u1ec3n v\u00e0 b\u1ea3o qu\u1ea3n t\u1ea1i c\u00e1c kho tr\u00ean c\u00f4ng tr\u01b0\u1eddng. Trong qu\u00e1 tr\u00ecnh nh\u1eadn v\u1eadt t\u01b0 ch\u00fang t\u00f4i s\u1ebd c\u1eed ng\u01b0\u1eddi nh\u1eadn v\u00e0 \u0111\u1ed1i chi\u1ebfu v\u1edbi b\u1ea3n v\u1ebd thi c\u00f4ng \u0111\u1ec3 nh\u1eadn \u0111\u00fang v\u00e0 \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng c\u1ed9t c\u0169ng nh\u01b0 c\u00e1c thanh c\u1ed9t, bu l\u00f4ng r\u00f4ng \u0111en … v\u00e0 s\u1ebd c\u00f3 bi\u00ean b\u1ea3n giao nh\u1eadn \u0111\u01b0\u1ee3c cam k\u1ebft giao nh\u1eadn gi\u1eefa hai b\u00ean \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean v\u00e0 \u0111\u01a1n v\u1ecb thi c\u00f4ng. N\u1ebfu trong qu\u00e1 tr\u00ecnh nh\u1eadn v\u1eadn t\u01b0 ch\u00fang t\u00f4i ph\u00e1t hi\u1ec7n nh\u1eefng sai l\u1ec7ch ho\u1eb7c k\u00edch th\u01b0\u1edbc kh\u00f4ng \u0111\u00fang thi\u1ebft k\u1ebf, c\u00e1c thanh c\u1ed9t b\u1ecb cong v\u00eanh hay x\u00e2y s\u00e1t nhi\u1ec1u … th\u00ec ch\u00fang t\u00f4i s\u1ebd b\u00e1o v\u1edbi \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean \u0111\u1ec3 cho ph\u01b0\u01a1ng \u00e1n gi\u1ea3i quy\u1ebft.<\/p>\n

Sau khi nh\u1eadn, c\u00e1c c\u1ed9t th\u00e9p \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn ch\u00e2n c\u00f4ng tr\u01b0\u1eddng, \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o kho b\u00e3i. Trong kho v\u00e0 c\u0169ng nh\u01b0 khi v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00e1c v\u1ecb tr\u00ed c\u1ed9t, t\u1ea5t c\u1ea3 c\u00e1c th\u00e9p c\u1ed9t \u0111\u01b0\u1ee3c gi\u1eef s\u1ea1ch v\u00e0 g\u1ecdn. Kh\u00f4ng \u0111\u1ec3 ti\u1ebfp x\u00fac v\u1edbi n\u01b0\u1edbc \u0111\u1ecdng ho\u1eb7c c\u00e1c ch\u1ea5t kh\u00e1c \u0111\u1ec3 l\u1edbp m\u1ea1 kh\u00f4ng b\u1ecb \u0103n m\u00f2n. Th\u01b0\u1eddng xuy\u00ean ch\u00fa \u00fd c\u00f4ng t\u00e1c an to\u00e0n v\u1eadn chuy\u1ec3n \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ea1i c\u00e1c thanh c\u1ed9t ho\u1eb7c h\u01b0 h\u1ea1i l\u1edbp m\u1ea1 ho\u1eb7c c\u00e1c l\u1edbp b\u1ea3o v\u1ec7 kh\u00e1c.<\/p>\n

Khi l\u1eafp d\u1ef1ng b\u1ea5t c\u1ee9 v\u1eadt li\u1ec7u n\u00e0o c\u00f3 kh\u1ea3 n\u0103ng d\u00ednh ch\u1eb7t v\u0129nh vi\u1ec5n v\u00e0o thanh c\u1ed9t \u0111\u1ec1u \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/p>\n

4.2 L\u1eafp d\u1ef1ng c\u1ed9t th\u00e9p :<\/em><\/p>\n

Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng c\u1ed9t th\u00e9p, chu\u1ea9n t\u1ed1t m\u1eb7t b\u1eb1ng l\u1eafp d\u1ef1ng c\u1ed9t m\u1edbi ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo. Ki\u1ec3m tra\u00a0 x\u00e1c \u0111\u1ecbnh sai s\u1ed1 b\u1ec1 m\u1eb7t c\u00e1c tr\u1ee5 gi\u1ebfng, c\u00e1c bu l\u00f4ng neo. N\u1ebfu c\u00e1c sai s\u1ed1 n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p m\u1edbi \u0111\u01b0\u1ee3c d\u1ef1ng c\u1ed9t. N\u1ebfu sai s\u1ed1 qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p th\u00ec ph\u1ea3i x\u1eed l\u00fd b\u1ec1 m\u1eb7t tr\u1ee5 gi\u1ebfng b\u1eb1ng v\u1eefa xi m\u0103ng sao cho c\u00e1c tr\u1ee5 gi\u1ebfng c\u00f9ng n\u1eb1m tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng, ho\u1eb7c ch\u1ec9nh bu l\u00f4ng neo,…<\/p>\n

C\u1ed9t th\u00e9p ch\u1ec9 \u0111\u01b0\u1ee3c l\u1eafp d\u1ef1ng khi b\u00ea t\u00f4ng \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 c\u1ea7n thi\u1ebft .<\/p>\n

Do to\u00e0n b\u1ed9 c\u00e1c c\u1ed9t \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o c\u00e1c thanh th\u00e9p h\u00ecnh li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng bu l\u00f4ng. Do v\u1eady ph\u01b0\u01a1ng \u00e1n d\u1ef1ng c\u1ed9t th\u1ef1c hi\u1ec7n ch\u1ee7 y\u1ebfu d\u00f9ng ph\u01b0\u01a1ng \u00e1n l\u1eafp d\u1ef1ng ki\u1ec3u tr\u1ee5 leo (V\u1edbi nh\u1eefng v\u1ecb tr\u00ed m\u00e0 \u0111\u01b0\u1eddng giao th\u00f4ng v\u00e0 m\u1eb7t b\u1eb1ng thu\u1eadn l\u1ee3i ta d\u1ef1ng c\u1ed9t b\u1eb1ng xe c\u1ea9u k\u1ebft h\u1ee3p th\u1ee7 c\u00f4ng).<\/p>\n

Tr\u00ecnh t\u1ef1 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1ng c\u1ed9t b\u1eb1ng tr\u1ee5 leo nh\u01b0 sau:<\/p>\n

* Ki\u1ec3m tra tr\u01b0\u1edbc khi l\u1eafp d\u1ef1ng c\u1ed9t:<\/p>\n

– Ki\u1ec3m tra gi\u1ebfng: ki\u1ec3m tra k\u00edch th\u01b0\u1edbc gi\u1ebfng nh\u01b0 r\u1ed9ng, d\u00e0i, \u0111\u01b0\u1eddng ch\u00e9o gi\u1ebfng, kho\u1ea3ng c\u00e1ch bu l\u00f4ng gi\u1ebfng, m\u1eb7t b\u1eb1ng c\u00e1c tr\u1ee5 gi\u1ebfng. N\u1ebfu c\u00f3 g\u00ec sai s\u00f3t ph\u1ea3i c\u00f3 ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd (\u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t A ch\u1ea5p nh\u1eadn).<\/p>\n

– Ki\u1ec3m tra v\u00e0 s\u1eafp \u0111\u1eb7t c\u00e1c chi ti\u1ebft thanh c\u1ed9t theo th\u1ee9 t\u1ef1 nh\u1ea5t \u0111\u1ecbnh \u0111\u1ec3 thu\u1eadn l\u1ee3i cho vi\u1ec7c l\u1eafp r\u00e1p. \u0110\u1ed3ng th\u1eddi d\u1ef1a v\u00e0o b\u1ea3n v\u1ebd, t\u1ed5ng k\u00ea \u0111\u1ed1i chi\u1ebfu v\u1edbi s\u1ed1 chi ti\u1ebft v\u00e0 bu l\u00f4ng \u0111\u1ec3 t\u1eadp k\u1ebft v\u00e0o v\u1ecb tr\u00ed.<\/p>\n

– Chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng thi c\u00f4ng: M\u1eb7t b\u1eb1ng thi c\u00f4ng \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u1edbi m\u1ed9t di\u1ec7n t\u00edch \u0111\u1ee7 l\u1edbn v\u1ec1 4 ph\u00eda gi\u1ebfng c\u1ed9t \u0111\u1ec3 l\u1eafp thanh c\u00e1i d\u00e0i nh\u1ea5t c\u1ee7a c\u00e1c \u0111o\u1ea1n trong c\u1ed9t. Chu\u1ea9n b\u1ecb v\u00e0 xem x\u00e9t c\u00e1c h\u1ec7 th\u1ed1ng h\u1ed1 th\u1ebf n\u00e9o tr\u1ee5, c\u00e1c d\u00e2y gi\u1eb1ng gi\u1eef thanh c\u00e1i, h\u1ec7 th\u1ed1ng d\u00e2y n\u00e2ng, t\u1eddi n\u00e2ng. M\u1eb7t b\u1eb1ng ph\u1ea3i \u0111\u01b0\u1ee3c thu d\u1ecdn s\u1ea1ch s\u1ebd, sao cho ng\u01b0\u1eddi ch\u1ec9 huy c\u00f3 th\u1ec3 quan s\u00e1t \u0111\u01b0\u1ee3c c\u00e1c h\u1ec7 th\u1ed1ng gi\u1eb1ng tr\u1ee5, h\u1ec7 th\u1ed1ng n\u00e2ng. V\u1edbi nh\u1eefng v\u1ecb tr\u00ed d\u1ef1ng b\u1eb1ng c\u1ea9u c\u1ea7n l\u01b0u \u00fd cho \u0111\u01b0\u1eddng \u00f4 t\u00f4, xe c\u1ea9u v\u00e0o t\u1eadn v\u1ecb tr\u00ed v\u00e0 m\u1eb7t b\u1eb1ng l\u00e0m vi\u1ec7c c\u1ee7a xe c\u1ea9u.<\/p>\n

– Chu\u1ea9n b\u1ecb d\u1ee5ng c\u1ee5 l\u1eafp d\u1ef1ng: tr\u1ee5 d\u1ef1ng 1 b\u1ed9 ; c\u00e1p gi\u1eb1ng tr\u1ee5 f8\u00b8 f12 chi\u1ec1u d\u00e0i n\u00e0y tu\u1ef3 theo \u0111\u1ecba h\u00ecnh c\u1ee5 th\u1ec3; c\u00e1p n\u00e2ng tr\u1ee5, n\u00e2ng thanh c\u1ed9t f13,5; c\u00e1p h\u00e3m \u0111i\u1ec1u ch\u1ec9nh thanh f8; c\u00e1p bu\u1ed9c g\u1ed1c tr\u1ee5 f12; c\u00e1p h\u1ed1 th\u1ebf, m\u00fap chuy\u1ec3n h\u01b0\u1edbng; t\u1eddi c\u1ed1i xay; c\u1ecdc th\u00e9p L; d\u00e2y ni l\u00f4ng; pu ly nh\u00f4m;g\u1ed7 h\u1ed1 th\u1ebf; \u1ed1ng t\u0103ng, kho\u00e1 CK; t\u0103ng d\u01a1; c\u1edd l\u00ea c\u00e1c lo\u1ea1i; x\u00e0 beng, b\u00faa t\u1ea1, c\u1edd, t\u00edn hi\u1ec7u ch\u1ec9 huy, c\u00f2i…<\/p>\n

* Tr\u00ecnh t\u1ef1 l\u1eafp d\u1ef1ng:<\/em><\/p>\n

– L\u1eafp d\u1ef1ng \u0111o\u1ea1n g\u1ed1c (\u0111\u1ed1t 1):<\/em> \u0110o\u1ea1n g\u1ed1c \u0111\u01b0\u1ee3c l\u1eafp d\u1ef1ng theo tr\u00ecnh t\u1ef1 sau:<\/p>\n

+ D\u1ef1ng tr\u1ee5 leo: Ta d\u00f9ng ch\u1ea1c \u0111\u1ec3 d\u1ef1ng tr\u1ee5 leo. Tr\u1ee5 \u0111\u01b0\u1ee3c gi\u1eef b\u1eb1ng 4 d\u00e2y t\u0103ng 4 \u0111\u1ea7u tr\u1ee5; 4 d\u00e2y n\u00e0y t\u1ea1o ra 4 g\u00f3c b\u1eb1ng nhau.<\/p>\n

D\u00f9ng tr\u1ee5 \u0111\u1ec3 n\u00e2ng t\u1eebng thanh c\u00e1i (c\u00f3 l\u1eafp s\u1eb5n c\u00e1c t\u00e1p n\u1ed1i ph\u00eda tr\u00ean). T\u01b0\u01a1ng t\u1ef1 n\u00e2ng v\u00e0 l\u1eafp r\u00e1p c\u00e1c thanh gi\u1eb1ng \u1edf \u0111o\u1ea1n g\u1ed1c nh\u1edd 4 pu ly \u0111\u00e3 treo s\u1eb5n \u1edf \u0111\u1ea7u c\u00e1c thanh c\u00e1i (n\u00ean tr\u1eeb m\u1ed9t m\u1eb7t ph\u00eda d\u1ecdc tuy\u1ebfn \u0111\u1ec3 \u0111\u01b0a tr\u1ee5 d\u1ef1ng v\u00e0o). C\u00e1c thanh c\u00e1i sau khi d\u1ef1ng xong \u0111\u01b0\u1ee3c xi\u1ebft ch\u1eb7t bu l\u00f4ng gi\u1ebfng ngay v\u00e0 ti\u1ebfp \u0111\u1ea5t an to\u00e0n.<\/p>\n

– L\u1eafp d\u1ef1ng \u0111\u1ed1t 2 <\/em>:<\/p>\n

+ Tr\u00ecnh t\u1ef1 n\u00e2ng tr\u1ee5 : D\u00f9ng d\u00e2y c\u00e1p f12 (d\u00e2y n\u00e2ng thanh c\u00e1i) m\u00f3c v\u00e0o c\u00e1c tr\u1ee5 qua CK, d\u00e2y c\u00e1p n\u00e2ng \u0111\u01b0\u1ee3c bu\u1ed9c \u1ed1p d\u1ecdc theo th\u00e2n tr\u1ee5 qua c\u00e1c m\u1ed1i bu\u1ed9c b\u1eb1ng d\u00e2y ni l\u00f4ng b\u1ed1 tr\u00ed c\u00e1ch \u0111\u1ec1u 2 m. D\u00f9ng t\u1eddi r\u00fat c\u00e1p, tr\u1ee5 \u0111\u01b0\u1ee3c n\u00e2ng d\u1ea7n th\u1eb3ng \u0111\u1ee9ng trong m\u1eb7t d\u1ecdc tuy\u1ebfn c\u1ee7a c\u1ed9t. D\u00f9ng x\u00e0 beng b\u1eafn g\u1ed1c tr\u1ee5 v\u00e0o l\u00f2ng c\u1ed9t. T\u1eddi ti\u1ebfp t\u1ee5c quay v\u00e0 n\u00e2ng tr\u1ee5 l\u00ean, l\u1ea7n l\u01b0\u1ee3t th\u00e1o m\u1ed1i bu\u1ed9c c\u1ee7a d\u00e2y ni l\u00f4ng (bu\u1ed9c \u1ed1p c\u00e1p n\u00e2ng v\u00e0o tr\u1ee5) khi c\u00e1c m\u1ed1i bu\u1ed9c g\u1ea7n \u0111\u1ebfn \u0111i\u1ec3m treo m\u00fap. K\u00e9o 4 \u0111\u1ea7u d\u00e2y ch\u1eb1ng \u0111\u00e3 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc d\u01b0\u1edbi \u0111\u1ea5t l\u00ean \u0111\u1ec9nh \u0111o\u1ea1n 2. Khi n\u00e2ng tr\u1ee5 qua 0,5m so v\u1edbi c\u00e1c thanh c\u00e1i \u0111o\u1ea1n g\u1ed1c ti\u1ebfn h\u00e0nh l\u1eafp d\u00e2y ch\u1eb1ng v\u00e0o 4 \u0111\u1ea7u tr\u1ee5 qua 4 CK. L\u1eafp m\u00fap n\u00e2ng v\u00e0o tai treo \u0111\u1ea7u tr\u1ee5 (S\u1eed d\u1ee5ng m\u00fap t\u1ef1 quay theo 2 ph\u01b0\u01a1ng n\u00e2ng). Khi tr\u1ee5 l\u00ean \u0111\u1ebfn \u0111\u1ed9 cao c\u1ea7n thi\u1ebft s\u1eed d\u1ee5ng d\u00e2y ch\u1eb1ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh g\u1ed1c tr\u1ee5 v\u00e0o \u0111i\u1ec3m bu\u1ed9c. \u0110i\u1ec3m bu\u1ed9c (l\u1ea7n th\u1ee9 nh\u1ea5t) n\u1eb1m t\u1ea1i \u0111i\u1ec3m giao ch\u00e9o c\u1ee7a 2 thanh gi\u1eb1ng ngang (t\u1eeb thanh c\u00e1i sang thanh c\u00e1i). C\u1ed1 \u0111\u1ecbnh tr\u1ee5 b\u1eb1ng CK-21 v\u00e0 d\u00e2y c\u00e1p f13,5 x1,5-2 m t\u00e1ch 2 \u0111\u1ea7u qu\u00e0ng qua thanh c\u00e1i. Sau khi ch\u1ec9nh tr\u1ee5 v\u00e0o \u0111\u00fang t\u01b0 th\u1ebf kho\u00e1 ch\u1eb7t g\u1ed1c tr\u1ee5. Y\u00eau c\u1ea7u gi\u1eef 4 d\u00e2y ch\u1eb1ng c\u0103ng \u0111\u1ec1u v\u00e0 ch\u1eafc ch\u1eafn.<\/p>\n

– L\u1eafp d\u1ef1ng c\u00e1c \u0111\u1ed1t ti\u1ebfp theo:<\/em><\/p>\n

+Tr\u00ecnh t\u1ef1 n\u00e2ng tr\u1ee5 nh\u01b0 tr\u01b0\u1edbc khi l\u1eafp d\u1ef1ng \u0111\u1ed1t 2. Sau \u0111\u00f3, d\u00f9ng tr\u1ee5 l\u1ea7n l\u01b0\u1ee3t k\u00e9o d\u1ea7n t\u1eebng thanh c\u00e1i l\u00ean \u0111\u1ec3 l\u1eafp v\u00e0o. Sau \u0111\u00f3 k\u00e9o c\u00e1c thanh gi\u1eb1ng, thanh ch\u00e9o b\u1eb1ng 4 pu ly \u0111\u1ea7u thanh c\u00e1i v\u00e0 l\u1ea7n l\u01b0\u1ee3t l\u1eafp \u0111\u00fang v\u1ecb tr\u00ed theo b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf.<\/p>\n

C\u1ee9 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady cho \u0111\u1ebfn khi l\u1eafp ho\u00e0n ch\u1ec9nh th\u00e2n c\u1ed9t, sau \u0111\u00f3 m\u1edbi l\u1eafp x\u00e0 s\u1eb5n d\u01b0\u1edbi \u0111\u1ea5t v\u1edbi m\u1ed9t thanh khung \u0111\u1ecbnh h\u00ecnh (\u0111\u1ec3 vi\u1ec7c n\u00e2ng k\u00e9o l\u00ean \u0111\u01b0\u1ee3c nh\u1eb9 nh\u00e0ng, an to\u00e0n). Khi l\u1eafp ph\u1ea3i l\u1eafp x\u00e0 tr\u00ean tr\u01b0\u1edbc, x\u00e0 d\u01b0\u1edbi l\u1eafp sau \u0111\u1ec3 tr\u00e1nh va ch\u1ea1m khi n\u00e2ng x\u00e0 l\u00ean.<\/p>\n

– H\u1ea1 tr\u1ee5: Sau khi \u0111\u00e3 l\u1eafp ho\u00e0n ch\u1ec9nh to\u00e0n b\u1ed9 c\u1ed9t, ti\u1ebfn h\u00e0nh h\u1ea1 tr\u1ee5 b\u1eb1ng c\u00e1ch th\u00e1o b\u1edbt c\u00e1c thanh gi\u1eb1ng ch\u00e9o ch\u1ed1ng xo\u1eafn trong l\u00f2ng c\u1ed9t \u0111\u1ec3 kh\u1ecfi v\u01b0\u1edbng tr\u1ee5 khi h\u1ea1. C\u00e1ch h\u1ea1: tr\u1ee5 \u0111\u01b0\u1ee3c bu\u1ed9c t\u1ea1i \u0111i\u1ec3m 2\/3 theo chi\u1ec1u cao c\u1ee7a tr\u1ee5 v\u00e0 lu\u1ed3n v\u00e0o m\u00fap 1 t\u1ea7ng 1,5 t\u1ea5n treo \u1edf gi\u1eefa thanh ch\u00ednh ph\u00eda d\u01b0\u1edbi x\u00e0 c\u1ee7a d\u00e2y d\u1eabn, v\u1ec1 m\u00fap chuy\u1ec3n h\u01b0\u1edbng \u0111\u1eb7t \u1edf ch\u00e2n t\u1eddi. Th\u00e1o c\u00e1p ch\u1eb1ng tr\u1ee5, th\u00e1o c\u00e1p bu\u1ed9c ch\u00e2n tr\u1ee5. Ti\u1ebfn h\u00e0nh nh\u1ea3 t\u1eddi h\u1ea1 tr\u1ee5 t\u1eeb t\u1eeb cho \u0111\u1ebfn khi xu\u1ed1ng \u0111\u1ea5t an to\u00e0n.<\/p>\n

– Xi\u1ebft bu l\u00f4ng<\/em>: Trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t c\u00e1c bu l\u00f4ng, \u0111ai \u1ed1c ch\u1ec9 \u0111\u01b0\u1ee3c v\u1eb7n b\u1eb1ng tay, Sau khi c\u1ed9t \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp d\u1ef1ng ho\u00e0n ch\u1ec9nh, c\u00e1c \u0111ai \u1ed1c s\u1ebd \u0111\u01b0\u1ee3c xi\u1ebft \u0111\u1ebfn l\u1ef1c nh\u01b0 sau:<\/p>\n

K\u00edch th\u01b0\u1edbc \u0111\u01b0\u1eddng k\u00ednh bu l\u00f4ng ( mm )\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 L\u1ef1c xi\u1ebft (kgf\/cm)<\/p>\n

12\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 600-800<\/p>\n

16\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1000-1200<\/p>\n

20\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1400-1800<\/p>\n

24\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3100-3700<\/p>\n

C\u00e1c c\u1edd l\u00ea d\u00f9ng \u0111\u1ec3 xi\u1ebft bu l\u00f4ng l\u00e0 lo\u1ea1i c\u1edd l\u00ea l\u1ef1c (c\u1edd l\u00ea momen) ph\u1ea3i \u0111\u01b0\u1ee3c tho\u1ea3 thu\u1eadn c\u1ee7a \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean. Kh\u00f4ng cho ph\u00e9p d\u00f9ng c\u1edd l\u00ea khi xi\u1ebft l\u00e0m bi\u1ebfn d\u1ea1ng \u0111ai \u1ed1c ho\u1eb7c l\u00e0m bong l\u1edbp m\u1ea1.<\/p>\n

Sau khi xi\u1ebft \u0111ai \u1ed1c, c\u00e1c k\u1ebft c\u1ea5u c\u00f3 y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh x\u1eed l\u00fd b\u1eb1ng bi\u1ec7n ph\u00e1p theo thi\u1ebft k\u1ebf ch\u1ec9 d\u1eabn. C\u00e1c bu l\u00f4ng \u0111\u01b0\u1ee3c b\u1eaft theo quy \u0111\u1ecbnh chung l\u00e0 \u0111\u01b0a bu l\u00f4ng t\u1eeb ngo\u00e0i v\u00e0o trong v\u00e0 t\u1eeb tr\u00ean xu\u1ed1ng d\u01b0\u1edbi (t\u1ee9c \u0111ai \u1ed1c n\u1eb1m ph\u00eda trong c\u1ed9t ho\u1eb7c ph\u00eda d\u01b0\u1edbi thanh tr\u1eeb tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t). C\u00e1c bu l\u00f4ng \u0111\u1ec1u c\u00f3 v\u00f2ng \u0111\u1ec7m v\u00eanh v\u00e0 l\u1eafp theo tr\u00ecnh t\u1ef1: v\u00f2ng \u0111\u1ec7m ph\u1eb3ng- v\u00f2ng \u0111\u1ec7m v\u00eanh- \u0111ai \u1ed1c.<\/p>\n

+ Bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c c\u00e1c thanh c\u1ed9t ch\u1ebf t\u1ea1o sai ho\u1eb7c h\u01b0 h\u1ecfng<\/em>:<\/p>\n

Khi l\u1eafp r\u00e1p n\u1ebfu ph\u00e1t hi\u1ec7n sai s\u00f3t trong thanh c\u1ed9t, \u0111\u01a1n v\u1ecb thi c\u00f4ng ph\u1ea3i b\u00e1o ngay cho \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean (gi\u00e1m s\u00e1t A) \u0111\u1ec3 xem x\u00e9t c\u00f3 th\u1ec3 cho ph\u00e9p s\u1eeda ch\u1eefa c\u00e1c sai s\u00f3t t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng ho\u1eb7c Nh\u00e0 ch\u1ebf t\u1ea1o mang v\u1ec1 x\u01b0\u1edfng s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf.<\/p>\n

Trong l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c cho ph\u00e9p c\u00f3 \u0111\u1ed9 l\u1ec7ch theo quy ph\u1ea1m, nh\u01b0ng kh\u00f4ng cho ph\u00e9p doa \u0111\u1ec3 s\u1eeda ch\u1eefa l\u1ed7 gia c\u00f4ng kh\u00f4ng t\u1ed1t c\u1ee7a x\u01b0\u1edfng ch\u1ebf t\u1ea1o.<\/p>\n

C\u00e1c thanh c\u1ed9t b\u1ecb vong v\u00eanh ho\u1eb7c bi\u1ebfn d\u1ea1ng trong kho, trong khi v\u1eadn chuy\u1ec3n, b\u1ea3o qu\u1ea3n hay trong l\u1eafp d\u1ef1ng s\u1ebd \u0111\u01b0\u1ee3c l\u00e0m th\u1eb3ng l\u1ea1i ho\u1eb7c thay th\u1ebf thanh kh\u00e1c. Ch\u1ec9 \u0111\u01b0\u1ee3c d\u00f9ng bi\u1ec7n ph\u00e1p l\u00e0m th\u1eb3ng l\u1ea1i c\u00e1c thanh m\u00e0 kh\u00f4ng g\u00e2y t\u1ed5n h\u1ea1i l\u1edbp m\u1ea1 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng thanh. Dung sai v\u1edbi c\u00e1c thay \u0111\u1ed5i theo m\u1eb7t ngang c\u1ee7a c\u00e1c thanh l\u00e0m th\u1eb3ng l\u1ea1i nh\u01b0 sau:<\/p>\n

– Thanh ch\u1ecbu n\u00e9n: Dung sai :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b1 2\/1000.<\/p>\n

– Thanh ch\u1ecbu k\u00e9o: Dung sai :\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00b1\u00a0 6\/1000.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c thanh h\u01b0 h\u1ea1i m\u00e0 s\u1ee9c b\u1ec1n c\u1ee7a n\u00f3 b\u1ecb gi\u1ea3m \u0111\u1ec1u \u0111\u01b0\u1ee3c thay th\u1ebf.<\/p>\n

N\u1ebfu l\u1edbp m\u1ea1 c\u1ee7a thanh b\u1ecb h\u01b0 h\u1ea1i kh\u00f4ng th\u1ec3 s\u1eeda ch\u1eefa t\u1ea1i v\u1ecb tr\u00ed c\u1ed9t \u0111\u01b0\u1ee3c, \u0111\u01b0\u1ee3c \u0111\u01b0a \u0111i m\u1ea1 l\u1ea1i c\u1ea5u ki\u1ec7n \u0111\u00f3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

*D\u1ea5u hi\u1ec7u c\u1ed9t: Tr\u00ean c\u1ed9t \u0103ng ten treo m\u1ed9t b\u1ea3ng logo c\u1ee7a C\u00d4NG TY \u0110I\u1ec6N L\u1ef0C 1<\/strong> v\u00e0 nh\u1eefng h\u00e0ng ch\u1eef VI\u1ec4N TH\u00d4NG \u0110I\u1ec6N L\u1ef0C 1<\/strong> \u1edf nh\u1eefng cao \u0111\u1ed9 kh\u00e1c nhau so v\u1edbi m\u1eb7t \u0111\u1ea5t do \u0111\u00f3 khi l\u1eafp \u0111\u1ebfn v\u1ecb tr\u00ed n\u00e0o c\u1ea7n g\u1eafn bi\u1ec3n, Nh\u00e0 th\u1ea7u s\u1ebd k\u1ebft h\u1ee3p l\u1eafp \u0111\u1eb7t lu\u00f4n.<\/p>\n

II\/ BI\u1ec6N PH\u00c1P K\u00c9O R\u1ea2I D\u00c2Y C\u00c1P QUANG:<\/strong><\/p>\n

Vi\u1ec7c k\u00e9o d\u00e2y c\u00e1p quang y\u00eau c\u1ea7u th\u1ef1c hi\u1ec7n nh\u1eefng quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 k\u1ef9 thu\u1eadt. Khi k\u00e9o r\u1ea3i c\u00e1p quang c\u1ea7n \u0111\u1eb7c bi\u1ec7t l\u01b0u \u00fd m\u1ed9t s\u1ed1 \u0111i\u1ec3m sau:<\/p>\n

– T\u1ea1i b\u1ea5t k\u1ef3 ch\u1ed7 g\u1ea5p kh\u00fac n\u00e0o,b\u00e1n k\u00ednh cung c\u1ee7a d\u00e2y c\u00e1p quang kh\u00f4ng nh\u1ecf h\u01a1n 0,5m, g\u00f3c b\u1ebb u\u1ed1n > 60o<\/sup> v\u00e0 d\u00f9ng puly k\u00e9p .<\/p>\n

– T\u1ed1c \u0111\u1ed9 k\u00e9o d\u00e2y duy tr\u00ec t\u1eeb 10 \u0111\u1ebfn 20 m\/p.<\/p>\n

– Th\u01b0\u1eddng xuy\u00ean t\u1ed5 ch\u1ee9c cho c\u00f4ng nh\u00e2n h\u1ecdc t\u1eadp v\u00e0 hu\u1ea5n luy\u1ec7n v\u1ec1 k\u00e9o r\u1ea3i c\u00e1p quang.<\/p>\n

– T\u0103ng c\u01b0\u1eddng th\u00eam nh\u00e2n l\u1ef1c \u0111\u1ee1 d\u00e2y theo t\u1eebng kho\u1ea3ng k\u00e9o nh\u1eb1m tr\u00e1nh x\u01b0\u1edbc d\u00e2y ho\u1eb7c m\u1eafc d\u00e2y v\u00e0o c\u00e2y g\u00e2y \u0111\u1ee9t x\u01b0\u1edbc ho\u1eb7c g\u00e3y g\u1eadp \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1p.<\/p>\n

– \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a c\u00e1p quang ph\u1ea3i ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m tr\u01b0\u1edbc v\u00e0 sau khi k\u00e9o c\u00e1p quang .<\/p>\n

+ Th\u00ed nghi\u1ec7m tr\u01b0\u1edbc khi k\u00e9o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o xung quanh cu\u1ed9n c\u00e1p quang t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o do chuy\u00ean ch\u1edf b\u1eb1ng \u0111\u01b0\u1eddng bi\u1ec3n ho\u1eb7c b\u1eb1ng \u0111\u01b0\u1eddng b\u1ed9 \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng ho\u1eb7c do Nh\u00e0 c\u1ea5p h\u00e0ng b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u00ednh li\u00ean t\u1ee5c v\u00e0 x\u00e1c \u0111\u1ecbnh tr\u1ecb s\u1ed1 suy hao c\u1ee7a m\u1ed7i s\u1ee3i c\u00e1p quang v\u00e0 ghi l\u1ea1i k\u1ebft qu\u1ea3 \u0111o b\u1eb1ng m\u00e1y ghi in chuy\u00ean d\u1ee5ng.<\/p>\n

+ Th\u00ed nghi\u1ec7m c\u00e1p quang sau khi k\u00e9o r\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o sung sau khi \u0111\u00e3 ho\u00e0n th\u00e0nh c\u00f4ng t\u00e1c k\u00e9o d\u00e2y nh\u1eb1m ki\u1ec3m tra l\u1ea1i t\u00ednh li\u00ean t\u1ee5c c\u1ee7a s\u1ee3i quang \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh kh\u00f4ng c\u00f3 h\u01b0 h\u1ecfng n\u00e0o sau khi k\u00e9o r\u1ea3i .<\/p>\n

To\u00e0n b\u1ed9 k\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c g\u1eedi cho \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean \u0111\u1ec3 c\u00f3 ph\u01b0\u01a1ng \u00e1n gi\u1ea3i quy\u1ebft v\u00e0 ti\u1ebfn h\u00e0nh c\u00e1c c\u00f4ng vi\u1ec7c ti\u1ebfp theo.<\/p>\n

+ H\u00e0n n\u1ed1i v\u00e0 l\u1eafp h\u1ed9p n\u1ed1i c\u00e1p quang:<\/p>\n

Vi\u1ec7c h\u00e0n c\u00e1p quang \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo quy tr\u00ecnh nghi\u1ec7m ng\u1eb7t v\u00e0 th\u1ef1c hi\u1ec7n qua m\u00e1y h\u00e0n chuy\u00ean d\u1ee5ng . Tr\u00ecnh t\u1ef1 h\u00e0n nh\u01b0 sau:<\/p>\n

a\/ C\u1eaft b\u1ecf s\u1ee3i c\u00e1p quang d\u00e0i kho\u1ea3ng 5cm b\u1eb1ng k\u00ecm tu\u1ed1t v\u1ecf (ch\u00fa \u00fd:tr\u01b0\u1edbc khi c\u1eaft v\u1ecf ph\u1ea3i lu\u1ed3n s\u1ee3i c\u00e1p quang v\u00e0o b\u1ed9 ph\u1eadn b\u1ea3o v\u1ec7 m\u1ed1i h\u00e0n).<\/p>\n

b\/ Lau s\u1ea1ch b\u1ec1 m\u1eb7t s\u1ee3i c\u00e1p quang \u0111\u00e3 c\u1eaft v\u1ecf b\u1eb1ng b\u00f4ng g\u00f2n nh\u00fang v\u00e0o dung d\u1ecbch Ethanol\u00a0 (B\u00f4ng g\u00f2n \u0111\u00e3 d\u00f9ng r\u1ed3i c\u00f3 th\u1ec3 b\u1ecb b\u1ea9n kh\u00f4ng n\u00ean d\u00f9ng l\u1ea1i \u0111\u1ec3 lau s\u1ee3i m\u1edbi,lau s\u1ea1ch ch\u1ea5t Silicol b\u00e1m tr\u00ean s\u1ee3i c\u00e1p quang tr\u01b0\u1edbc khi h\u00e0n n\u1ed1i \u0111\u1ec3 tr\u00e1nh g\u00e2y ra l\u1ec7ch s\u1ee3i).<\/p>\n

c\/ C\u1eaft s\u1ee3i c\u00e1p quang \u1edf \u0111i\u1ec3m 16mm t\u1eeb \u0111\u1ea7u \u0111\u00e3 c\u1eaft v\u1ecf b\u1eb1ng\u00a0 dao c\u1eaft c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. C\u1eaft s\u1ee3i c\u00e1p quang th\u1eb3ng g\u00f3c v\u1edbi tr\u1ee5c c\u1ee7a s\u1ee3i \u0111\u1ec3 \u0111\u1ea7u \u0111\u01b0\u1ee3c c\u1eaft c\u00f3 b\u1ec1 m\u1eb7t ph\u1ea3n chi\u1ebfu \u0111\u01b0\u1ee3c. (Ch\u00fa \u00fd: kh\u00f4ng l\u00e0m x\u01b0\u1edbc b\u1ec1 m\u1eb7t s\u1ee3i c\u00e1p).\u00a0 Sau \u0111\u00f3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra b\u1ec1 m\u1eb7t s\u1ee3i c\u00e1p quang.<\/p>\n

d\/ Tr\u00ecnh t\u1ef1 h\u00e0n:<\/p>\n

* \u0110\u1eb7t s\u1ee3i c\u00e1p quang v\u00e0o r\u00e3nh c\u1ee7a m\u00e1y h\u00e0n FSM-20CS v\u00e0 \u0111\u00f3ng n\u1eafp l\u1ea1i.<\/p>\n

* \u1ea5n n\u00fat SET tr\u00ean m\u1eb7t \u0111i\u1ec1u khi\u1ec3n c\u1ee7a m\u00e1y h\u00e0n,c\u00e1c b\u01b0\u1edbc h\u00e0n s\u1ebd do m\u00e1y t\u1ef1 \u0111\u1ed9ng l\u00e0m vi\u1ec7c.<\/p>\n

* Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra s\u1ee3i quang,n\u1ebfu b\u1ea5t k\u1ef3 m\u1ed9t s\u1ee3i n\u00e0o ch\u01b0a \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch ho\u1eb7c ch\u01b0a c\u1eaft \u0111\u01b0\u1ee3c t\u1ed1t h\u00e3y b\u1ea5m n\u00fat RESET v\u00e0 l\u1ea5y s\u1ee3i c\u00e1p quang ra c\u1eaft v\u1ecf,lau s\u1ea1ch v\u00e0 c\u1eaft l\u1ea1i tr\u01b0\u1edbc khi h\u00e0n.<\/p>\n

* Sau khi h\u00e0n ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng m\u1ed1i h\u00e0n qua m\u00e0n h\u00ecnh Tivi c\u1ea3 tr\u1ee5c X v\u00e0 tr\u1ee5c Y \u0111\u1ed3ng th\u1eddi ki\u1ec3m tra t\u1ed5n hao c\u1ee7a m\u1ed1i h\u00e0n qua \u0111\u1ed3ng h\u1ed3.<\/p>\n

* \u0110\u1ec3 b\u1ea3o v\u1ec7 m\u1ed1i h\u00e0n \u0111\u01b0a \u1ed1ng b\u1ea3o v\u1ec7 m\u1ed1i h\u00e0n v\u00e0o \u0111\u00fang \u0111i\u1ec3m n\u1ed1i v\u00e0 \u0111\u1ed1t n\u00f3ng l\u00ean cho m\u0103ng s\u00f4ng co l\u1ea1i b\u1ea3o v\u1ec7 m\u1ed1i h\u00e0n.<\/p>\n

Ch\u00fa \u00fd:<\/em>\u00a0 C\u00f4ng t\u00e1c h\u00e0n ph\u1ea3i th\u1ef1c hi\u1ec7n trong t\u0103ng ho\u1eb7c b\u1ea1t \u0111\u1ec3 tr\u00e1nh gi\u00f3 ,b\u1ee5i,m\u01b0a v\u00e0 nh\u1eefng hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1c c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c h\u00e0n s\u1ee3i c\u00e1p quang.<\/p>\n

Vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng h\u00e0n \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u00ean m\u00e0n h\u00ecnh Tivi. N\u1ebfu m\u1ed1i h\u00e0n t\u1ed1t tr\u00eanm\u00e0n h\u00ecnh t\u1ea1i m\u1ed1i n\u1ed1i s\u1ebd c\u00f3 \u0111\u01b0\u1eddng m\u00e0u tr\u1eafng v\u00e0 \u0111\u1ed3ng tr\u1ee5c. N\u1ebfu m\u1ed1i h\u00e0n kh\u00f4ng t\u1ed1t t\u1ea1i v\u1ecb tr\u00ed m\u1ed1i n\u1ed1i s\u1ebd c\u00f3 \u0111\u01b0\u1eddng m\u00e0u \u0111en v\u00e0 kh\u00f4ng \u0111\u1ed3ng tr\u1ee5c.<\/p>\n

6.\u00a0 C\u00f4ng t\u00e1c thu d\u1ecdn,v\u1ec7 sinh sau khi thi c\u00f4ng: <\/strong><\/p>\n

Sau khi thi c\u00f4ng xong ti\u1ebfn h\u00e0nh thu d\u1ecdn t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt t\u01b0 thi\u1ebft b\u1ecb, d\u1ee5ng c\u1ee5 thi c\u00f4ng tr\u1ea3 l\u1ea1i m\u1eb7t b\u1eb1ng \u0111\u00e3 m\u01b0\u1ee3n ch\u1ed7 trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

C\u00f4ng vi\u1ec7c d\u1ecdn d\u1eb9p bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb thi c\u00f4ng, v\u1eadt li\u1ec7u ph\u1ebf th\u1ea3i, v\u00e1n khu\u00f4n b\u00ea t\u00f4ng v\u00e0 c\u00e1c v\u1eadt kh\u00e1c \u1edf xung quanh. C\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c ph\u1ea3i \u0111\u1ed1t ch\u00e1y ho\u1eb7c lo\u1ea1i b\u1ecf t\u1ea1i ch\u1ed7 nh\u1eb1m kh\u00f4ng g\u00e2y n\u00ean s\u1ef1 kh\u00f3 chi\u1ee5 nh\u00e2n d\u00e2n \u0111\u1ecba ph\u01b0\u01a1ng ph\u1ea3n \u0111\u1ed1i.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c m\u00e1y m\u00f3c, v\u1eadt li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c d\u1ecdn ra ngo\u00e0i m\u1eb7t b\u1eb1ng thi c\u00f4ng \u0111\u1ec3 chu\u1ea9n b\u1ecb cho c\u00f4ng vi\u1ec7c nghi\u1ec7m thu b\u00e0n giao cho \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean.<\/p>\n

 <\/p>\n

CH\u01af\u01a0NG IV<\/strong><\/p>\n

\u00a0BI\u1ec6N PH\u00c1P PH\u00d2NG CH\u1ed0NG CH\u00c1Y N\u1ed4, AN TO\u00c0N LAO \u0110\u1ed8NG,V\u1ec6 SINH M\u00d4I TR\u01af\u1edcNG<\/strong><\/p>\n

I. BI\u1ec6N PH\u00c1P PH\u00d2NG CH\u1ed0NG CH\u00c1Y N\u1ed4 :<\/strong><\/p>\n

C\u00f4ng t\u00e1c ph\u00f2ng ch\u1ed1ng ch\u00e1y \u0111\u01b0\u1ee3c \u0111\u01a1n v\u1ecb ch\u00fang t\u00f4i \u0111\u1eb7c bi\u1ec7t quan t\u00e2m, b\u1edfi v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng r\u1ea5t nhi\u1ec1u \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 c\u00f4ng tr\u00ecnh. C\u1ea7n ph\u1ea3i x\u00e1c \u0111\u1ecbnh cho t\u1eebng c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n\u00a0 vi\u00ean tham gia th\u1ea5y \u0111\u01b0\u1ee3c \u00fd ngh\u0129a v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00f4ng t\u00e1c ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u1ec3 c\u00f3 c\u00e1c bi\u1ec7n ph\u00f2ng ng\u1eeba v\u00e0 x\u1eed l\u00fd khi c\u00f3 t\u00ecnh hu\u1ed1ng x\u1ea5u x\u1ea9y ra.<\/p>\n

C\u00e1c bi\u1ec7n ph\u00e1p ch\u00ednh :<\/em><\/strong><\/p>\n

+ Bi\u1ec7n ph\u00e1p t\u1ed5 ch\u1ee9c tuy\u00ean truy\u1ec1n gi\u00e1o d\u1ee5c cho c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n ch\u1ea5p h\u00e0nh nghi\u00eam ch\u1ec9nh\u00a0 ph\u00e1p l\u1ec7nh ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5, n\u1ed9i quy an to\u00e0n ph\u00f2ng ch\u00e1y.<\/p>\n

+ Bi\u1ec7n ph\u00e1p\u00a0 k\u1ef9 thu\u1eadt : \u00c1p d\u1ee5ng tri\u1ec7t \u0111\u1ec3 c\u00e1c quy \u0111\u1ecbnh ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5 \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, th\u01b0\u1eddng xuy\u00ean giao ban ki\u1ec3m tra c\u00f4ng t\u00e1c an to\u00e0n.<\/p>\n

+ Bi\u1ec7n ph\u00e1p an to\u00e0n : N\u1eafm v\u1eefng c\u00e1c nguy\u00ean t\u1eafc v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb m\u00e1y m\u00f3c \u0111\u1ea3m b\u1ea3o nguy\u00ean, nhi\u00ean li\u1ec7u\u00a0 trong s\u1ea3n xu\u1ea5t kh\u00f4ng l\u00e0 nguy\u00ean nh\u00e2n g\u00e2y ch\u00e1y.<\/p>\n

+ Bi\u1ec7n ph\u00e1p h\u1ea1n ch\u1ebf \u0111\u00e1m ch\u00e1y lan r\u1ed9ng : C\u1ea7n ph\u1ea3i hi\u1ec3u r\u00f5 c\u00f3 bi\u1ec7n ph\u00e1p ng\u0103n ng\u1eeba khi c\u00f3 \u0111\u00e1m ch\u00e1y d\u00f9 l\u00e0 r\u1ea5t nh\u1ecf.<\/p>\n

+ Bi\u1ec7n ph\u00e1p c\u1ee9u tho\u00e1t ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n .<\/p>\n

+ Bi\u1ec7n ph\u00e1p x\u1eed l\u00fd v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y c\u00f3 hi\u1ec7u qu\u1ea3: Hi\u1ec3u r\u00f5 t\u00ednh n\u0103ng t\u00e1c d\u1ee5ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y s\u1eed d\u1ee5ng th\u00e0nh th\u1ea1o, thao t\u00e1c nhanh linh ho\u1ea1t nhanh ch\u00f3ng d\u1eadp t\u1eaft \u0111\u00e1m ch\u00e1y .<\/p>\n

+ T\u1ea1i c\u00e1c t\u1ed5 \u0111\u1ed9i, ch\u00fang t\u00f4i s\u1ebd b\u1ed1 tr\u00ed c\u00e1c trang thi\u1ebft b\u1ecb c\u1ee9u ho\u1ea3.<\/p>\n

II. BI\u1ec6N PH\u00c1P AN TO\u00c0N LAO \u0110\u1ed8NG :<\/strong><\/p>\n

1. Quy \u0111\u1ecbnh chung :<\/strong><\/p>\n

Y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 c\u00e1n b\u1ed9 c\u00f4ng nh\u00e2n tham gia x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh ph\u1ea3i ch\u1ea5p h\u00e0nh nghi\u00eam ch\u1ec9nh quy ph\u1ea1m an to\u00e0n trong lao \u0111\u1ed9ng s\u1ea3n xu\u1ea5t .<\/p>\n

T\u1ea5t c\u1ea3 c\u00f4ng nh\u00e2n ph\u1ea3i \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n an to\u00e0n lao \u0111\u1ed9ng v\u00e0 \u0111\u01b0\u1ee3c c\u1ea5p th\u1ebb an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n

C\u00f4ng nh\u00e2n ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 trang b\u1ecb b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng g\u1ed3m qu\u1ea7n \u00e1o, m\u0169, gi\u1ea7y.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00f4ng nh\u00e2n l\u00e0m vi\u1ec7c tr\u00ean cao ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra s\u1ee9c kho\u1ebb tr\u01b0\u1edbc khi tr\u00e8o cao .<\/p>\n

T\u1ea5t c\u1ea3 c\u00f4ng nh\u00e2n l\u00e0m vi\u1ec7c tr\u00ean cao ph\u1ea3i c\u00f3 mang d\u00e2y an to\u00e0n v\u00e0 \u0111\u01b0\u1ee3c l\u00e0m vi\u1ec7c trong \u0111i\u1ec1u ki\u1ec7n gi\u00e0n gi\u00e1o ch\u1eafc ch\u1eafn v\u00e0 thu\u1eadn l\u1ee3i cho thi c\u00f4ng. Vi\u1ec7c di chuy\u1ec3n d\u00e0n gi\u00e1o ph\u1ea3i th\u1ef1c hi\u1ec7n \u0111\u00fang ch\u1ed7 , \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh. D\u1ee5ng c\u1ee5 l\u00e0m vi\u1ec7c tr\u00ean cao ph\u1ea3i c\u00f3 t\u00fai \u0111\u1ef1ng \u0111\u1ed3 ngh\u1ec1. T\u1ea1i hi\u1ec7n tr\u01b0\u1eddng l\u00e0m vi\u1ec7c ph\u1ea3i b\u1ed1 tr\u00ed nh\u00e2n vi\u00ean y t\u1ebf th\u01b0\u1eddng xuy\u00ean t\u00fac tr\u1ef1c \u0111\u1ec3 k\u1ecbp th\u1eddi x\u1eed l\u00fd c\u00e1c tr\u01b0\u1eddng h\u1ee3p x\u1ea3y ra t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

2. Quy \u0111\u1ecbnh v\u1ec1 m\u1eb7t b\u1eb1ng thi c\u00f4ng :<\/strong><\/p>\n

T\u1ea1i c\u00e1c khu v\u1ef1c thi c\u00f4ng nguy hi\u1ec3m ph\u1ea3i l\u1eadp h\u1ec7 th\u1ed1ng bi\u1ec3n b\u00e1o nguy hi\u1ec3m th\u00f4ng b\u00e1o cho m\u1ecdi ng\u01b0\u1eddi c\u00f9ng bi\u1ebft.<\/p>\n

L\u1eadp s\u01a1 \u0111\u1ed3 h\u01b0\u1edbng d\u1eabn vi\u1ec7c di chuy\u1ec3n c\u1ee7a xe c\u01a1 gi\u1edbi v\u00e0 c\u00e1c thi\u1ebft b\u1ecb thi c\u00f4ng .<\/p>\n

C\u00e1c \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n ph\u1ea3i \u0111\u1ea3m b\u1ea3o an to\u00e0n theo \u0111\u00fang quy ph\u1ea1m an to\u00e0n v\u1ec1 \u0111i\u1ec7n \u0111\u1ed1i v\u1edbi c\u00f4ng tr\u01b0\u1eddng x\u00e2y d\u1ef1ng.<\/p>\n

C\u00e1c kho ch\u1ee9a nguy\u00ean v\u1eadt li\u1ec7u, nhi\u00ean li\u1ec7u ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7\u00a0 c\u00e1c trang b\u1ecb\u00a0 ph\u00f2ng ch\u1ed1ng ch\u00e1y.<\/p>\n

Ph\u1ea3i c\u00f3 h\u00e0ng r\u00e0o ng\u0103n c\u00e1ch gi\u1eefa khu v\u1ef1c thi c\u00f4ng v\u00e0 khu nh\u00e0 kho, nh\u00e0 l\u00e0m vi\u1ec7c,\u00a0 l\u00e1n tr\u1ea1i…<\/p>\n

B\u1ed1 tr\u00ed c\u00e1c tr\u1ea1m g\u00e1c t\u1ea1i c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec3 kh\u00f4ng cho ng\u01b0\u1eddi v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n qua l\u1ea1i c\u00f4ng tr\u01b0\u1eddng m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean .<\/p>\n

3. Y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edb\u00ed thi\u1ebft b\u1ecb v\u00e0 d\u1ee5ng c\u1ee5 thi c\u00f4ng :<\/strong><\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c xe m\u00e1y tham gia thi c\u00f4ng ph\u1ea3i c\u00f3 \u0111\u1ea7y \u0111\u1ee7 h\u1ed3 s\u01a1 l\u00fd l\u1ecbch v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 thu\u1eadt \u0111\u1ecbnh k\u1ef3 v\u00e0 ki\u1ec3m\u00a0 tra tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n

Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra b\u1ea3o d\u01b0\u1ee1ng v\u00e0 k\u1ecbp th\u1eddi ph\u00e1t hi\u1ec7n v\u00e0 s\u1eeda ch\u1eefa c\u00e1c h\u01b0 h\u1ecfng \u0111\u1ec3 tr\u00e1nh x\u1ea3y ra m\u1ea5t an to\u00e0n trong s\u1ea3n xu\u1ea5t.<\/p>\n

Xe m\u00e1y l\u00e0m vi\u1ec7c ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1ec1 \u00e1nh s\u00e1ng, m\u1eb7t b\u1eb1ng an to\u00e0n, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb an to\u00e0n nh\u01b0 phanh, \u0111\u00e8n …<\/p>\n

\u0110\u1ed1i v\u1edbi d\u1ee5ng c\u1ee5 thi c\u00f4ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eafc ch\u1eafn tr\u00e1nh kh\u00f4ng b\u1ecb g\u00e3y, \u0111\u1ee9t , r\u01a1i trong qu\u00e1 tr\u00ecnh thi c\u00f4ng .<\/p>\n

C\u00f4ng nh\u00e2n v\u1eadn h\u00e0nh ph\u1ea3i ch\u1ea5p h\u00e0nh nghi\u00eam ch\u1ec9nh n\u1ed9i quy an to\u00e0n v\u00e0 v\u1eadn h\u00e0nh m\u00e1y m\u00f3c .<\/p>\n

III. BI\u1ec6N PH\u00c1P \u0110\u1ea2M B\u1ea2O V\u1ec6 SINH M\u00d4I TR\u01af\u1edcNG :<\/strong><\/p>\n

C\u00f4ng tr\u01b0\u1eddng n\u1eb1m ngay tr\u1ee5 s\u1edf l\u00e0m vi\u1ec7c c\u1ee7a \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean, g\u1ea7n khu v\u1ef1c d\u00e2n c\u01b0 do \u0111\u00f3 vi\u1ec7c gi\u1eef g\u00ecn v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng ph\u1ea3i \u0111\u1eb7c bi\u1ec7t quan t\u00e2m\u00a0 trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng. Ph\u1ea3i th\u1ef1c hi\u1ec7n nghi\u00eam ch\u1ec9nh m\u1ed9t s\u1ed1 y\u00eau c\u1ea7u sau :<\/p>\n

1. \u0110\u1ed1i v\u1edbi xe m\u00e1y :<\/strong><\/p>\n

Xe v\u1eadn chuy\u1ec3n \u0111\u1ea5t\u00a0 \u0111\u00e1 v\u00e0 c\u00e1c v\u1eadt t\u01b0 v\u1eadt li\u1ec7u ph\u1ea3i c\u00f3 b\u1ea1t che ph\u1ee7.<\/p>\n

C\u00e1c ch\u1ea5t th\u1ea3i c\u1ee7a xe m\u00e1y nh\u01b0 d\u1ea7u, m\u1ee1… ph\u1ea3i \u0111\u01b0\u1ee3c t\u1eadp trung m\u1ed9t n\u01a1i quy \u0111\u1ecbnh.<\/p>\n

C\u00e1c xe m\u00e1y ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u00fang ti\u00eau chu\u1ea9n v\u1ec7 \u0111\u1ed9 \u1ed3n v\u00e0 kh\u00ed th\u1ea3i.<\/p>\n

2. Kho b\u00e3i v\u00e0\u00a0 khu v\u1ef1c c\u00f4ng tr\u01b0\u1eddng :<\/strong><\/p>\n

To\u00e0n b\u1ed9 khu v\u1ef1c kho, b\u00e3i, l\u00e1n tr\u1ea1i t\u1ea1m , nh\u00e0 \u0111i\u1ec1u h\u00e0nh s\u1ea3n xu\u1ea5t ph\u1ea3i\u00a0 c\u00f3 \u0111\u1ea7y \u0111\u1ee7 khu v\u1ec7 sinh , h\u1ed1 r\u00e1c th\u1ea3i , \u0111\u01b0\u1eddng \u0111i\u1ec7n , \u0111\u01b0\u1eddng n\u01b0\u1edbc h\u1ee3p v\u1ec7 sinh.<\/p>\n

C\u00e1c ch\u1ea5t th\u1ea3i ph\u1ea3i \u0111\u01b0\u1ee3c gom l\u1ea1i v\u00e0 \u0111\u1ed5 \u0111\u00fang n\u01a1i quy \u0111\u1ecbnh.<\/p>\n

H\u00e0ng tu\u1ea7n ph\u1ea3i \u0111\u1ecbnh k\u1ef3 v\u1ec7 sinh thu d\u1ecdn c\u00e1c ch\u1ea5t ph\u1ebf th\u1ea3i v\u00e0 qu\u00e9t d\u1ecdn n\u01a1i l\u00e0m vi\u1ec7c ,n\u01a1i \u1edf v\u00e0 khu v\u1ef1c c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

Tr\u01b0\u1edbc khi b\u00e0n giao c\u00f4ng tr\u00ecnh ph\u1ea3i ti\u1ebfn h\u00e0nh d\u1ecdn v\u1ec7 sinh , gom ch\u1edf c\u00e1c ph\u1ebf li\u1ec7u v\u00e0 th\u00e1o b\u1ecf c\u00e1c l\u00e1n tr\u1ea1i , c\u00e1c c\u00f4ng tr\u00ecnh t\u1ea1m tr\u1ea3 l\u1ea1i m\u1eb7t b\u1eb1ng cho c\u00f4ng tr\u00ecnh .<\/p>\n

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CH\u01af\u01a0NG V<\/strong><\/p>\n

\u00a0TI\u1ebeN \u0110\u1ed8 THI C\u00d4NG, B\u1ed0 TR\u00cd NH\u00c2N L\u1ef0C<\/strong><\/p>\n

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I. THUY\u1ebeT MINH TI\u1ebeN \u0110\u1ed8 THI C\u00d4NG :<\/strong><\/p>\n

Ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn tr\u1ecdng y\u1ebfu c\u1ee7a thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng n\u00f3 c\u00f3 \u00fd ngh\u0129a quy\u1ebft \u0111\u1ecbnh \u0111\u1ebfn t\u1ed1c \u0111\u1ed9, tr\u00ecnh t\u1ef1 v\u00e0 th\u1eddi h\u1ea1n thi c\u00f4ng c\u1ee7a to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh.<\/p>\n

M\u1ee5c \u0111\u00edch c\u1ee7a t\u1ed5ng ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng nh\u1eb1m.<\/p>\n

+ \u0110\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh \u0111\u00fang ho\u1eb7c tr\u01b0\u1edbc th\u1eddi h\u1ea1n quy \u0111\u1ecbnh \u0111\u1ec3 \u0111\u01b0a c\u00f4ng tr\u00ecnh v\u00e0o v\u1eadn h\u00e0nh s\u1eed d\u1ee5ng.<\/p>\n

+ B\u1ea3o \u0111\u1ea3m c\u00f4ng tr\u00ecnh thi c\u00f4ng \u0111\u01b0\u1ee3c c\u00e2n \u0111\u1ed1i, li\u00ean t\u1ee5c, nh\u1ecbp nh\u00e0ng v\u00e0 thu\u1eadn l\u1ee3i.<\/p>\n

+ Quy\u1ebft \u0111\u1ecbnh quy m\u00f4 thi c\u00f4ng to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh, s\u1eed d\u1ee5ng h\u1ee3p l\u00fd ti\u1ec1n v\u1ed1n s\u1ee9c ng\u01b0\u1eddi v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft b\u1ecb m\u00e1y m\u00f3c.<\/p>\n

+ Quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c trong thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng (nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng, cung \u1ee9ng v\u1eadt t\u01b0 k\u1ef9 thu\u1eadt v\u00e0 sinh ho\u1ea1t …)<\/p>\n

+ B\u1ea3o \u0111\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh tr\u00ean c\u01a1 s\u1edf c\u1ee7a tr\u00ecnh t\u1ef1 v\u00e0 t\u1ed1c \u0111\u1ed9 thi c\u00f4ng h\u1ee3p l\u00fd.<\/p>\n

+ B\u1ea3o \u0111\u1ea3m an to\u00e0n thi c\u00f4ng.<\/p>\n

Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng lu\u00f4n b\u00e1m s\u00e1t c\u00f4ng vi\u1ec7c, l\u1eadp ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng chi ti\u1ebft tr\u00ecnh \u0111\u1ea1i di\u1ec7n \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean \u0111\u1ec3 ph\u1ed1i h\u1ee3p c\u1ea5p thi\u1ebft b\u1ecb v\u00e0 h\u1ea1n ch\u1ebf \u0111\u1ebfn m\u1ee9c th\u1ea5p nh\u1ea5t \u1ea3nh h\u01b0\u1edfng t\u1edbi ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t khu v\u1ef1c.<\/p>\n

\u0110\u01a1n v\u1ecb ch\u00fang t\u00f4i d\u1ef1 ki\u1ebfn th\u1eddi gian thi c\u00f4ng cho c\u00f4ng tr\u00ecnh l\u00e0\u00a0 30 ng\u00e0y .<\/p>\n

Ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i th\u1ec3 hi\u1ec7n chi ti\u1ebft v\u00e0 g\u1eedi cho Ch\u1ee7 \u0111\u1ea7u t\u01b0 sau khi k\u00fd h\u1ee3p \u0111\u1ed3ng, b\u1ea3o \u0111\u1ea3m ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf, b\u1ea3o \u0111\u1ea3m s\u1ef1 h\u1ee3p l\u00fd gi\u1eefa c\u00e1c h\u1ea1ng m\u1ee5c c\u00f4ng vi\u1ec7c c\u00f3 li\u00ean quan v\u1edbi nhau, tho\u1ea3 m\u00e3n v\u00e0 s\u1ebd ph\u1ea5n \u0111\u1ea5u ho\u00e0n th\u00e0nh \u0111\u00fang th\u1eddi h\u1ea1n y\u00eau c\u1ea7u c\u1ee7a \u0110i\u1ec7n l\u1ef1c \u0110i\u1ec7n bi\u00ean.<\/p>\n

Ngay sau khi nh\u1eadn m\u1eb7t b\u1eb1ng , tim m\u1ed1c xong ch\u00fang t\u00f4i s\u1ebd ti\u1ebfn h\u00e0nh chu\u1ea9n b\u1ecb m\u1eb7t b\u1eb1ng, chu\u1ea9n b\u1ecb nh\u00e2n l\u1ef1c ,v\u1eadt t\u01b0,v\u1eadt li\u1ec7u,m\u00e1y m\u00f3c thi\u1ebft b\u1ecb thi c\u00f4ng,.. tri\u1ec3n khai c\u00f4ng vi\u1ec7c .<\/p>\n

II. NH\u00c2N L\u1ef0C, \u0110\u1ed8I NG\u0168 C\u00c1N B\u1ed8 C\u00d4NG NH\u00c2N VI\u00caN :<\/strong><\/p>\n

\u0110\u1ec3 b\u00e0n giao c\u00f4ng tr\u00ecnh \u0111\u00fang ti\u1ebfn \u0111\u1ed9, ch\u00fang t\u00f4i b\u1ed1 tr\u00ed \u0111\u1ee7\u00a0 l\u1ef1c l\u01b0\u1ee3ng ch\u1ee7 ch\u1ed1t, c\u0169ng nh\u01b0 c\u00f4ng nh\u00e2n lao \u0111\u1ed9ng l\u00e0 \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0, c\u00e1n b\u1ed9 k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nh\u00e2n c\u00f3\u00a0 nhi\u1ec1u kinh nghi\u1ec7m \u0111\u00e3 tham gia x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh \u0111i\u1ec7n c\u00f3 c\u1ea5p \u0111i\u1ec7n \u00e1p t\u1eeb 0,4kV – 500 kV \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00fang ti\u1ebfn \u0111\u1ed9 c\u0169ng nh\u01b0 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh .
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