{"id":461,"date":"2019-06-22T08:30:05","date_gmt":"2019-06-22T08:30:05","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=461"},"modified":"2024-07-24T06:45:04","modified_gmt":"2024-07-24T06:45:04","slug":"thuyet-minh-bien-phap-thi-cong-via-he-trong-cong-trinh-giao-thong","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=461","title":{"rendered":"Thuy\u1ebft minh bi\u1ec7n ph\u00e1p thi c\u00f4ng v\u1ec9a h\u00e8 trong c\u00f4ng tr\u00ecnh giao th\u00f4ng"},"content":{"rendered":"

\u0110\u01b0\u1eddng \u0111\u00f4 th\u1ecb (hay \u0111\u01b0\u1eddng ph\u1ed1): l\u00e0 \u0111\u01b0\u1eddng b\u1ed9 n\u1eb1m trong ph\u1ea1m vi n\u1ed9i th\u00e0nh, n\u1ed9i th\u1ecb, \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n b\u1edfi ch\u1ec9 gi\u1edbi \u0111\u01b0\u1eddng \u0111\u1ecf theo quy ho\u1ea1ch \u0111\u01b0\u1ee3c c\u1ea5p c\u00f3 th\u1ea9m quy\u1ec1n ph\u00ea duy\u1ec7t.<\/p>\n

\u2013 H\u00e8 (hay v\u1ec9a h\u00e8, h\u00e8 ph\u1ed1): l\u00e0 b\u1ed9 ph\u1eadn c\u1ee7a \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb, ph\u1ee5c v\u1ee5 ch\u1ee7 y\u1ebfu cho ng\u01b0\u1eddi \u0111i b\u1ed9 v\u00e0 k\u1ebft h\u1ee3p l\u00e0 n\u01a1i b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt \u0111\u00f4 th\u1ecb d\u1ecdc tuy\u1ebfn<\/p>\n

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

Trong b\u00e0i vi\u1ebft c\u00e1c b\u01b0\u1edbc l\u1eadp h\u1ed3 s\u01a1 d\u1ef1 th\u1ea7u<\/strong><\/a> th\u00ec thuy\u1ebft minh bi\u1ec7n ph\u00e1p thi c\u00f4ng l\u00e0 b\u01b0\u1edbc kh\u00f4ng th\u1ec3 thi\u1ebfu trong qu\u00e1 tr\u00ecnh l\u1eadp h\u1ed3 s\u01a1 :<\/p>\n

>>>Xem th\u00eam :<\/em> M\u1eabu thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u v\u1ec9a h\u00e8 th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00f4ng tr\u00ecnh<\/strong><\/span><\/a><\/p>\n

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

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

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

THUY\u1ebeT MINH BI\u1ec6N PH\u00c1P<\/strong><\/span><\/p>\n

\u00a0K\u1ef8 THU\u1eacT THI C\u00d4NG <\/strong><\/span><\/p>\n

I. BI\u1ec6N PH\u00c1P K\u1ef8 THU\u1eacT THI C\u00d4NG<\/span> <\/strong><\/h4>\n

1. C\u00f4ng T\u00e1c Chu\u1ea9n B\u1ecb C\u00f4ng Tr\u01b0\u1eddng V\u00e0 \u0110\u1ecbnh V\u1ecb Tuy\u1ebfn C\u00f4ng Tr\u00ecnh<\/strong><\/h4>\n
    \n
  • \n
      \n
    • K\u1ebft h\u1ee3p v\u1edbi \u0111\u01a1n v\u1ecb ch\u1ee7 \u0111\u1ea7u t\u01b0 li\u00ean h\u1ec7 c\u00e1c \u0111\u01a1n v\u1ecb giao th\u00f4ng v\u00e0 ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng qu\u1ea3n l\u00fd tr\u00ean c\u00e1c \u0111o\u1ea1n c\u00f3 tuy\u1ebfn x\u00e2y d\u1ef1ng c\u1ed1ng b\u1ec3 m\u1edbi xin gi\u00e1y ph\u00e9p v\u00e0 gi\u1ea3i t\u1ecfa m\u1eb7t b\u1eb1ng thi c\u00f4ng.<\/li>\n
    • Th\u00e0nh l\u1eadp ban chi huy c\u00f4ng tr\u01b0\u1eddng c\u00f3 l\u00e3nh \u0111\u1ea1o C\u00f4ng Ty c\u00e1n b\u1ed9 c\u00f3 chuy\u00ean m\u00f4n nghi\u1ec7p v\u1ee5 vi\u1ec5n th\u00f4ng m\u1ea1ng th\u00f4ng tin, kinh t\u1ebf t\u00e0i ch\u00ednh v\u1eadt t\u01b0 \u2026.sao cho vi\u1ec7c t\u1ed5 ch\u1ee9c thi c\u00f4ng c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c t\u1ed1t nh\u1ea5t. C\u00e1c tr\u00e1ch nhi\u1ec7m c\u1ee7a t\u1eebng th\u00e0nh vi\u00ean s\u1ebd \u0111\u01b0\u1ee3c quy \u0111inh c\u1ee5 th\u1ec3 b\u1eb1ng quy\u1ebft \u0111\u1ecbnh c\u1ee7a Gi\u00e1m \u0111\u1ed1c C\u00f4ng Ty.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • C\u00f9ng v\u1edbi b\u00ean A nhanh ch\u00f3ng ho\u00e0n t\u1ea5t th\u1ee7 t\u1ee5c gi\u1ea5y ph\u00e9p x\u00e2y d\u1ef1ng v\u00e0 nh\u1eadn tuy\u1ebfn ti\u1ebfn h\u00e0nh l\u00e0m c\u00f4ng t\u00e1c \u0111\u1ec1n b\u00f9 gi\u1ea3i t\u1ecfa m\u1eb7t b\u1eb1ng.<\/li>\n<\/ul>\n[sociallocker] [\/sociallocker]\n

        Ki\u1ec3m tra c\u00e1c lo\u1ea1i v\u1eadt t\u01b0\u00a0 theo ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt, \u0111\u1ea3m t\u1ed1t m\u1edbi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ngcho c\u00f4nh tr\u00ecnh<\/p>\n

          \n
        • Chu\u1ea9n b\u1ecb kho b\u00e3i t\u1eadp k\u1ebft v\u1eadt t\u01b0 m\u1eddi ch\u1ee7 \u0111\u1ea7u t\u01b0, t\u01b0 v\u1ea5n thi\u1ebft k\u1ebf \u0111\u1ebfn ki\u1ec3m tra tr\u01b0\u1edbc khi thi c\u00f4ng.<\/li>\n
        • T\u1eadp k\u1ebft , t\u1ed5 ch\u1ee9c b\u1ed9 m\u00e1y thi c\u00f4ng bi\u00ean ch\u1ebf c\u00e1c t\u1ed5 \u0111\u1ed9i lao \u0111\u1ed9ng qu\u00e1n tri\u1ec7t y\u00eau c\u1ea7u v\u1ec1 n\u1ed9i dung c\u00f4ng vi\u1ec7c v\u00e0 n\u1ed9i quy an to\u00e0n lao \u0111\u1ed9ng.<\/li>\n<\/ul>\n

          T\u1eadp k\u1ebft c\u00f4ng c\u1ee5 trang thi\u1ebft b\u1ecb thi c\u00f4ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111\u1ea3m b\u1ea3o an to\u00e0n giao th\u00f4ng, bi\u1ec3n b\u00e1o r\u00e0o ch\u1eafn \u2026<\/p>\n

          – Th\u1ef1c hi\u1ec7n \u0111\u00e0o \u0111\u1ea3m b\u1ea3o \u0111\u00fang k\u00edch th\u01b0\u1edbc, cao \u0111\u1ed9 theo \u0111\u1ed3 \u00e1n thi\u1ebft k\u1ebf. L\u1edbp \u0111\u1ea5t x\u1ea5u kh\u00f4ng ph\u00f9 h\u1ee3p s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00e0o b\u1ecf thay b\u1eb1ng l\u1edbp \u0111\u1ea5t t\u1ed1t.<\/p>\n

          -. Nh\u00e0 th\u1ea7u s\u1ebd v\u1eadn chuy\u1ec3n \u0111\u1ea5t th\u1ea3i ho\u1eb7c \u0111\u1ea5t s\u1eed d\u1ee5ng l\u1ea1i \u0111\u1ebfn \u0111\u1ed5 \u1edf c\u00e1c khu v\u1ef1c quy \u0111\u1ecbnh.<\/p>\n

          – N\u1ec1n m\u00f3ng ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u00fang cao tr\u00ecnh thi\u1ebft k\u1ebf, b\u1eb1ng ph\u1eb3ng v\u00e0 lu\u00f4n lu\u00f4n \u0111\u01b0\u1ee3c gi\u1eef kh\u00f4 r\u00e1o tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u thi c\u00f4ng ph\u1ea7n x\u00e2y \u0111\u00fac.<\/p>\n

          – \u0110\u1ea5t d\u00f9ng \u0111\u1ec3 \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb m\u1ecf \u0111\u1ea5t \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 \u0111\u01a1n v\u1ecb t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

          – Kh\u1ed1i l\u01b0\u1ee3ng \u0111\u1ea5t \u0111\u1eafp theo \u0111\u00fang thi\u1ebft k\u1ebf \u0111\u1ea3m b\u1ea3o cao tr\u00ecnh thi\u1ebft k\u1ebf<\/p>\n

          – Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh gia c\u1ed1 \u0111\u1ea5t ph\u1ea3i c\u0103n c\u1ee9 v\u00e0o k\u1ebft c\u1ea5u m\u1eb7t \u0111\u01b0\u1eddng v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng trang thi\u1ebft b\u1ecb v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n li\u00ean quan kh\u00e1c \u0111\u1ec3 thi\u1ebft k\u1ebf t\u1ed5 ch\u1ee9c thi c\u00f4ng cho ph\u00f9 h\u1ee3p nh\u1eb1m \u0111\u1ea3m b\u1ea3o th\u1eddi gian quy \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3 kinh t\u1ebf cao.<\/p>\n

          2. Thi c\u00f4ng b\u00f3 v\u1ec9a<\/u><\/strong>.<\/h4>\n

          Th\u1ef1c hi\u1ec7n khu\u00f4n \u0111\u00e0o \u0111\u00fang vi tr\u00ed, cao \u0111\u1ed9 \u0111\u1ed9 d\u1ed1c v\u00e0 thi\u1ebft k\u1ebf<\/p>\n

          Ban g\u1ea1t, lu l\u00e8n n\u1ec1n h\u1ea1 \u0111\u1ea1t \u0111\u1ed9 ch\u1eb7t thi\u1ebft k\u1ebf.<\/p>\n

          Tr\u01b0\u1edbc khi thi c\u00f4ng \u0111\u01a1n v\u1ecb thi c\u00f4ng tr\u00ecnh c\u1ea5p ph\u1ed1i cho ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t ki\u1ec3m duy\u1ec7t. C\u1ea5p ph\u1ed1i do \u0111\u01a1n v\u1ecb c\u00f3 ch\u1ee9c n\u0103ng ( ph\u00f2ng lab) l\u1eadp.<\/p>\n

          B\u00ea t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n b\u1eafng m\u00e1y tr\u1ed9n, t\u1ef7 l\u1ec7 c\u1ed1t li\u1ec7u theo \u0111\u00fang Mac b\u00ea t\u00f4ng thi\u1ebft k\u1ebf, \u0111\u01b0\u1ee3c tr\u1ed9n kh\u00f4 \u0111\u1ec1u tr\u01b0\u1edbc khi cho n\u01b0\u1edbc v\u00e0o. B\u00ea t\u00f4ng sau khi tr\u1ed9n xong ph\u1ea3i \u0111\u1ea3o b\u1ea3o \u0111\u1ed9 s\u1ee5t v\u00e0 \u0111\u1ed9 d\u1ebbo theo y\u00eau c\u1ea7u v\u00e0 \u0111\u1ed5 c\u00e0ng s\u1edbm c\u00e0ng t\u1ed1t.<\/p>\n

          B\u00ea t\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ea7m k\u1ef9 b\u1eb1ng \u0111\u1ea7m d\u00f9i v\u00e0 \u0111\u1ea7m b\u00e0n.<\/p>\n

          V\u1ecb tr\u00ed m\u1ea1ch ng\u1eebng khi \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea3i \u0111\u00fang quy ph\u1ea1m v\u00e0 b\u1ea3o \u0111\u1ea3m m\u1ea1ch ng\u1eebng\u00a0 kh\u00f4ng g\u00e2y nguy hi\u1ec3m cho ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh. Trong c\u00f9ng h\u1ea1ng m\u1ee5c th\u1eddi gian thi c\u00f4ng c\u00e1ch nhau qu\u00e1 4 gi\u1edd th\u00ec ph\u1ea3i l\u00e0m v\u1ec7 sinh v\u00e0 t\u1ea1o nh\u00e1m m\u00e9p m\u1ea1ch ng\u1eebng.<\/p>\n

          M\u1eb7t coffa ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch v\u00e0 qu\u00e9t ch\u1ea5t ch\u1ed1ng d\u00ednh tr\u01b0\u1edbc khi l\u1eafp d\u1ef1ng.Coffa ph\u1ea3i \u0111\u01b0\u1ee3c gh\u00e9p k\u00edn, kh\u00edt \u0111\u1ec3 kh\u00f4ng l\u00e0m m\u1ea5t n\u01b0\u1edbc xim\u0103ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n

          B\u00ea t\u00f4ng sau khi \u0111\u1ed5 \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng b\u1eb1ng v\u1ea3i bao b\u1ed1 \u1ea9m n\u01b0\u1edbc nh\u1eb1m tr\u00e1nh t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u1eafng tr\u00e1nh r\u0103n n\u1ee9t b\u1ec1 m\u1eb7t b\u00eat\u00f4ng.<\/p>\n

          Sau khi \u0111\u1ed5 ph\u1ea3i \u0111\u01b0\u1ee3c r\u00e0o ch\u1eafn nh\u1eb1m tr\u00e1nh ng\u01b0\u1eddi v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n qua l\u1ea1i l\u00e0m h\u01b0 b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng.<\/p>\n

          3.C\u00f4ng t\u00e1c lu l\u00e8n n\u1ec1n v\u1ec9a h\u00e8<\/u><\/strong><\/h4>\n

          \u00a0\u00a0 – D\u00f9ng \u00f4 t\u00f4 v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u \u0111\u1eafp t\u1eeb m\u1ecf t\u1eadp k\u1ebft t\u1ea1i v\u1ecb tr\u00ed thi c\u00f4ng th\u00e0nh t\u1eebng \u0111\u1ed1ng.<\/p>\n

          Kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u1ed1ng v\u1eadt li\u1ec7u \u0111\u1ed5 l\u00e0:<\/p>\n

          \u00a0(m)<\/p>\n

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

          Q: l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng chuy\u00ean ch\u1edf c\u1ee7a 1 \u00f4 t\u00f4 (m3)<\/p>\n

          B: l\u00e0 b\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng (m)<\/p>\n

           <\/p>\n

          h1: chi\u1ec1u d\u00e0y l\u1edbp \u0111\u1ea5t K98 ( ch\u01b0a l\u00e8n ch\u1eb7t) t\u00ednh b\u1eb1ng m<\/p>\n

          \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0(m)<\/p>\n

          h: l\u00e0 b\u1ec1 d\u00e0y l\u1edbp \u0111\u1ea5t K98 (\u0111\u00e3 lu l\u00e8n) t\u00ednh b\u1eb1ng m<\/p>\n

          go dung tr\u1ecdng l\u1edbp \u0111\u1ea5t \u0111\u1eafp K98 \u1edf tr\u1ea1ng th\u00e1i ch\u1eb7t (T\/m3)<\/p>\n

          gi dung tr\u1ecdng l\u1edbp \u0111\u1ea5t \u0111\u1eafp K98 \u1edf tr\u1ea1ng th\u00e1i r\u1eddi (T\/m3)<\/p>\n

          P: t\u1ef7 l\u1ec7 ph\u1ed1i h\u1ee3p c\u1ee7a t\u1eebng lo\u1ea1i \u0111\u1ea5t<\/p>\n

          –\u00a0 San \u0111\u1ea5t theo chi\u1ec1u d\u00e0y h1<\/p>\n

          C\u00f4ng t\u00e1c san \u0111\u1ea5t \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh b\u1eb1ng m\u00e1y san v\u1edbi chi\u1ec1u d\u00e0y h1 sao cho m\u1eb7t c\u1ee7a l\u1edbp \u0111\u1ea5t b\u1eb1ng ph\u1eb3ng, kh\u00f4ng l\u1ed3i l\u00f5m. Trong qu\u00e1 tr\u00ecnh san n\u00ean h\u00ecnh th\u00e0nh khum mui luy\u1ec7n d\u1ed1c v\u1ec1 hai b\u00ean \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc.<\/p>\n

          * Giai \u0111o\u1ea1n lu s\u01a1 b\u1ed9<\/u><\/p>\n

          D\u00f9ng lu t\u0129nh t\u1eeb 8 \u00b8 10T lu s\u01a1 b\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t t\u1eeb 3 \u00b8 4 l\u01b0\u1ee3t\/\u0111i\u1ec3m v\u1edbi t\u1ed1c \u0111\u1ed9 2 \u00b8 2,5 Km\/h. M\u1ee5c \u0111\u00edch c\u1ee7a giai \u0111o\u1ea1n n\u00e0y l\u00e0 l\u00e0m \u00e9p co l\u1edbp c\u00e1t, l\u00e0m cho k\u1ebft c\u1ea5u di chuy\u1ec3n \u0111\u1ebfn v\u1ecb tr\u00ed \u1ed5n \u0111\u1ecbnh.<\/p>\n

          * Giai \u0111o\u1ea1n lu l\u00e8n ch\u1eb7t<\/u><\/p>\n

          D\u00f9ng lu rung t\u1eeb 16 \u00b8 24T (ch\u1ebf \u0111\u1ed9 rung c\u1ea5p 1) lu ch\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t t\u1eeb 6 \u00b8 8 l\u01b0\u1ee3t\/\u0111i\u1ec3m v\u1edbi t\u1ed1c \u0111\u1ed9 lu 4 \u00b8 6 Km\/h.<\/p>\n

          D\u00f9ng lu rung t\u1eeb 16 \u00b8 24T (ch\u1ebf \u0111\u1ed9 rung c\u1ea5p 2) lu ch\u1eb7t tr\u00ean b\u1ec1 m\u1eb7t t\u1eeb 6 \u00b8 8 l\u01b0\u1ee3t\/\u0111i\u1ec3m v\u1edbi t\u1ed1c \u0111\u1ed9 lu 4 \u00b8 6 Km\/h.<\/p>\n

          * Giai \u0111o\u1ea1n lu ho\u00e0n thi\u1ec7n<\/u><\/p>\n

          – D\u00f9ng lu t\u0129nh t\u1eeb 8 \u00b8 10T lu s\u01a1 b\u1ed9 tr\u00ean b\u1ec1 m\u1eb7t t\u1eeb 3 \u00b8 4 l\u01b0\u1ee3t\/\u0111i\u1ec3m v\u1edbi t\u1ed1c \u0111\u1ed9 4 \u00b8 6 km\/h<\/p>\n

          – \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o lu l\u00e8n \u0111\u01b0\u1ee3c \u0111\u1ed3ng \u0111\u1ec1u th\u00ec v\u1ec7t sau \u0111\u00e8 l\u00ean v\u1ec7t tr\u01b0\u1edbc 25 \u00b8 30cm<\/p>\n

          – Trong qu\u00e1 tr\u00ecnh lu l\u00e8n n\u1ebfu th\u1ea5y v\u1eadt li\u1ec7u kh\u00f4 th\u00ec c\u1ea7n ph\u1ea3i t\u01b0\u1edbi n\u01b0\u1edbc th\u1ea5m \u0111\u1ec1u 1 \u00b8 2 gi\u1edd m\u1edbi ti\u1ebfp t\u1ee5c lu ti\u1ebfp.<\/p>\n

          – Trong nh\u1eefng \u0111o\u1ea1n c\u00f3 b\u1ed1 tr\u00ed si\u00eau cao n\u00ean ti\u1ebfn h\u00e0nh lu t\u1eeb b\u1ee5ng \u0111\u01b0\u1eddng cong \u0111\u1ebfn l\u01b0ng \u0111\u01b0\u1eddng cong, c\u00f2n \u1edf nh\u1eefng \u0111o\u1ea1n \u0111\u01b0\u1eddng th\u1eb3ng th\u00ec lu t\u1eeb m\u00e9p v\u00e0o gi\u1eefa.<\/p>\n

          [sociallocker] [\/sociallocker]\n

          – C\u00f4ng t\u00e1c thi c\u00f4ng l\u1edbp K98 ph\u1ea3i lu\u00f4n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng, tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<\/p>\n

          Ta luy ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u1ed1c, \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng v\u00e0 \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u.<\/p>\n

          – C\u00f4ng t\u00e1c ki\u1ec3m tra v\u00e0 nghi\u1ec7m thu:<\/p>\n

          + Ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t :Ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t n\u1ec1n \u0111\u01b0\u1eddng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p AASHTOT91, \u0111\u1ed9 ch\u1eb7t l\u1edbp \u0111\u1eafp ph\u1ea3i \u0111\u1ea1t K \u00b3 98<\/p>\n

          + Ki\u1ec3m tra cao \u0111\u1ed9 d\u00f9ng m\u00e1y th\u1ee7y b\u00ecnh ki\u1ec3m tra cao \u0111\u1ed9 l\u1edbp \u0111\u1eafp d\u1ef1a v\u00e0o m\u1ed1c kh\u1ed1ng ch\u1ebf \u0111\u01b0\u1eddng truy\u1ec1n.<\/p>\n

          + Ki\u1ec3m tra k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc c\u1ee7a l\u1edbp \u0111\u1eafp: d\u00f9ng th\u01b0\u1edbc th\u00e9p \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n

          + Ki\u1ec3m tra h\u01b0\u1edbng tuy\u1ebfn: d\u00f9ng m\u00e1y to\u00e0n \u0111\u1ea1c \u0111i\u1ec7n t\u1eed \u0111\u1ec3 ki\u1ec3m tra.<\/p>\n