{"id":32,"date":"2019-06-21T15:09:46","date_gmt":"2019-06-21T15:09:46","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=32"},"modified":"2022-04-06T01:14:28","modified_gmt":"2022-04-06T01:14:28","slug":"bien-phap-thi-cong-lop-mat-be-tong-nhua","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=32","title":{"rendered":"Bi\u1ec7n ph\u00e1p thi c\u00f4ng l\u1edbp m\u1eb7t b\u00ea t\u00f4ng nh\u1ef1a"},"content":{"rendered":"

B\u00ea t\u00f4ng nh\u1ef1a (Asphalt concrete – AC) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u v\u00f4 c\u00f9ng quan tr\u1ecdng trong \u0111\u01b0\u1eddng b\u1ed9. N\u00f3 c\u00f3 m\u1eb7t h\u1ea7u h\u1ebft \u1edf c\u00e1c t\u1ea7ng ph\u1ee7 c\u1ee7a c\u00e1c lo\u1ea1i m\u1eb7t \u0111\u01b0\u1eddng m\u1ec1m c\u1ea5p cao.<\/p>\n

Dowload Bi\u1ec7n ph\u00e1p thi c\u00f4ng l\u1edbp m\u1eb7t b\u00ea t\u00f4ng nh\u1ef1a
\n\"\"<\/a>
\nM\u1eadt kh\u1ea9u :<\/strong> Cu\u1ed1i b\u00e0i vi\u1ebft<\/strong><\/span><\/span><\/p>\n

>> Xem th\u00eam: B\u00e1o gi\u00e1 b\u00ea t\u00f4ng nh\u1ef1a n\u00f3ng n\u0103m 2020<\/span><\/span><\/a><\/strong><\/em><\/span><\/p><\/blockquote>\n

BI\u1ec6N PH\u00c1P THI C\u00d4NG L\u1edaP M\u1eb6T B\u00ca T\u00d4NG NH\u1ef0A<\/strong><\/span><\/h3>\n

I\/ C\u00d4NG T\u00c1C CHU\u1ea8N B\u1eca:<\/span> <\/strong><\/h3>\n

Sau khi thi c\u00f4ng xong c\u00e1c l\u1edbp m\u00f3ng v\u00e0 \u0111\u01b0\u1ee3c nghi\u1ec7m thu theo quy \u0111\u1ecbnh c\u1ee7a d\u1ef1 \u00e1n Nh\u00e0 th\u1ea7u s\u1ebd ti\u1ebfn h\u00e0nh chu\u1ea9n b\u1ecb trang thi\u1ebft b\u1ecb thi c\u00f4ng, v\u1eadt li\u1ec7u \u0111\u1ec3 thi c\u00f4ng l\u1edbp m\u1eb7t BTN.<\/p>\n

II\/ THI C\u00d4NG L\u1edaP M\u1eb6T B\u00ca T\u00d4NG NH\u1ef0A<\/strong><\/h3>\n

II.1.Chu\u1ea9n b\u1ecb v\u1eadt li\u1ec7u:<\/span><\/h4>\n
    \n
  1. \u0110\u00e1 d\u0103m: \u0110\u00e1 d\u0103m \u0111\u01b0\u1ee3c nghi\u1ec1n t\u1eeb \u0111\u00e1 n\u00fai m\u1ecf \u0111\u00e1 N\u1eadm mu\u1ed5i \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m \u0111\u1ea1t c\u00e1c ch\u1ec9 ti\u00eau theo ti\u00eau chu\u1ea9n c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n
  2. C\u00e1t: C\u00e1t d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o BTN l\u00e0 c\u00e1t \u0110i\u1ec7n Bi\u00ean \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m \u0111\u1ea1t y\u00eau c\u1ea7u theo ti\u00eau chu\u1ea9n c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n
  3. B\u1ed9t kho\u00e1ng: \u0110\u01b0\u1ee3c nghi\u1ec1n t\u1eeb \u0111\u00e1 c\u00e1cbon\u00e1t\u2026. s\u1ea1ch v\u00e0 kh\u00f4, c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n kh\u00f4ng nh\u1ecf h\u01a1n 200daN\/cm2 \u0111\u1ea1t c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n
  4. Nh\u1ef1a \u0111\u01b0\u1eddng: Nh\u1ef1a \u0111\u01b0\u1eddng d\u00f9ng s\u1ea3n xu\u1ea5t BTN d\u00f9ng nh\u1ef1a c\u1ee7a c\u00e1c h\u00e3ng Caltex, Shell, ADCo\u2026. \u0111\u1ea1t y\u00eau c\u1ea7u theo ti\u00eau chu\u1ea9n c\u1ee7a d\u1ef1 \u00e1n.<\/li>\n<\/ol>\n

    To\u00e0n b\u1ed9 c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u tr\u00ean \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c th\u00ed nghi\u1ec7m v\u00e0 \u0111\u01b0\u1ee3c s\u1ef1 ch\u1ea5p thu\u1eadn c\u1ee7a t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t tr\u01b0\u1edbc khi s\u1ea3n xu\u1ea5t BTN.<\/p>\n

    II.2. Ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a:<\/u><\/span><\/h4>\n
      \n
    • Tr\u1ea1m tr\u1ed9n BTN 80T\/h c\u1ee7a nh\u00e0 th\u1ea7u \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i b\u00e3i Km356+800 r\u1ebd ph\u1ea3i 200m to\u00e0n b\u1ed9 khu v\u1ef1c tr\u1ea1m tr\u1ed9n \u0111\u1ec1u \u0111\u1ea3m b\u1ea3o t\u1ed1t c\u00e1c y\u00eau c\u1ea7u v\u1ec1 tho\u00e1t n\u01b0\u1edbc, ch\u1ee9a c\u00e1c lo\u1ea1i c\u1ed1t li\u1ec7u.<\/li>\n
    • H\u1ed7n h\u1ee3p BTN \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1ea1i tr\u1ea1m tr\u1ed9n theo chu k\u1ef3 ho\u1eb7c tr\u1ea1m tr\u1ed9n li\u00ean t\u1ee5c c\u00f3 thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c theo y\u00eau c\u1ea7u<\/li>\n
    • C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t li\u1ec7u s\u1eed d\u1ee5ng ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p BTN trong tr\u1ea1m tr\u1ed9n ph\u1ea3i tu\u00e2n th\u1ee7 theo \u0111\u00fang thi\u1ebft k\u1ebf v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi m\u1eabu v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0a \u0111i th\u00ed nghi\u1ec7m<\/li>\n
    • H\u1ed7n h\u1ee3p BTN ch\u1ebf t\u1ea1o ra ph\u1ea3i \u0111\u1ea1t c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt m\u00e0 thi\u1ebft k\u1ebf y\u00eau c\u1ea7u.<\/li>\n
    • \u1edf tr\u1ea1m ch\u1ebf t\u1ea1o BTN ph\u1ea3i c\u00f3 trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 c\u00e1c thi\u1ebft b\u1ecb th\u00ed nghi\u1ec7m c\u1ea7n thi\u1ebft theo quy \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u, quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p, c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a h\u1ed7n h\u1ee3p BTN theo \u0111\u00fang c\u00e1c \u0111i\u1ec1u kho\u1ea3n \u0111\u00e3 quy \u0111\u1ecbnh cho m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m t\u1ea1i tr\u1ea1m tr\u1ed9n BTN.<\/li>\n<\/ul>\n

      II.3. Chu\u1ea9n b\u1ecb thi\u1ebft b\u1ecb thi c\u00f4ng<\/u>.<\/span><\/h4>\n

      C\u00e1c thi\u1ebft b\u1ecb thi c\u00f4ng ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 kh\u1eb3ng \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t<\/p>\n

      + 05 xe \u00f4t\u00f4 t\u1ef1 \u0111\u1ed5 10 t\u1ea5n v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u<\/p>\n

      + 01 \u00a0M\u00e1y r\u1ea3i chuy\u00ean d\u00f9ng<\/p>\n

      + 02 Lu t\u0129nh b\u00e1nh th\u00e9p 6-8T<\/p>\n

      + 01 Lu b\u00e1nh h\u01a1i<\/p>\n

      + 01 Lu rung 14 t\u1ea5n ( Khi rung \u0111\u1ea1t 25T)<\/p>\n

      + Bi\u1ec3n b\u00e1o hi\u1ec7u, r\u00e0o ch\u1eafn & c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea3m b\u1ea3o an to\u00e0n giao th\u00f4ng.<\/p>\n

      II.4. Tr\u00ecnh t\u1ef1 thi c\u00f4ng<\/u><\/span><\/h4>\n
      1. Ph\u1ed1i h\u1ee3p c\u00e1c c\u00f4ng vi\u1ec7c \u0111\u1ec3 thi c\u00f4ng:<\/span><\/h5>\n

      Ph\u1ea3i \u0111\u1ea3m b\u1ea3o nh\u1ecbp nh\u00e0ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tr\u1ea1m tr\u1ed9n,ph\u01b0\u01a1ng ti\u1ec7n v\u1eadn chuy\u1ec3n h\u1ed7n h\u1ee3p ra hi\u1ec7n tr\u01b0\u1eddng, thi\u1ebft b\u1ecb r\u1ea3i v\u00e0 ph\u01b0\u01a1ng ti\u1ec7n lu l\u00e8n.<\/p>\n

      Ch\u1ec9 thi c\u00f4ng m\u1eb7t \u0111\u01b0\u1eddng BTN trong nh\u1eefng ng\u00e0y kh\u00f4ng m\u01b0a, m\u00f3ng \u0111\u01b0\u1eddng kh\u00f4 gi\u00e1o, nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed kh\u00f4ng d\u01b0\u1edbi +50<\/sup>C.<\/p>\n

      Tr\u01b0\u1edbc khi thi c\u00f4ng \u0111\u1ea1i tr\u00e0 m\u1eb7t \u0111\u01b0\u1eddng BTN ti\u1ebfn h\u00e0nh thi c\u00f4ng th\u1eed m\u1ed9t \u0111o\u1ea1n \u0111\u1ec3 ki\u1ec3m tra v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00f4ng ngh\u1ec7 c\u1ee7a qu\u00e1 tr\u00ecnh r\u1ea3i, lu l\u00e8n. \u0110o\u1ea1n r\u1ea3i th\u1eed ph\u1ea3i d\u00f9ng \u00edt nh\u1ea5t 80 t\u1ea5n BTN.\u00a0 Khi \u0111o\u1ea1n r\u1ea3i th\u1eed \u0111\u1ea1t y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng\u00a0 th\u00ec m\u1edbi \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh thi c\u00f4ng \u0111\u1ea1i tr\u00e0.<\/p>\n

      2. Chu\u1ea9n b\u1ecb l\u1edbp m\u00f3ng:<\/span><\/h5>\n

      Tr\u01b0\u1edbc khi r\u1ea3i l\u1edbp BTN ph\u1ea3i l\u00e0m s\u1ea1ch, kh\u00f4 v\u00e0 b\u1eb1ng ph\u1eb3ng m\u1eb7t l\u1edbp m\u00f3ng, s\u1eed l\u00fd \u0111\u1ed9 d\u1ed1c ngang theo \u0111\u00fang y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, to\u00e0n b\u1ed9 l\u1edbp m\u00f3ng ph\u1ea3i \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n gi\u00e1m s\u00e1t nghi\u1ec7m thu v\u00e0 cho ph\u00e9p thi c\u00f4ng.<\/p>\n

      Tr\u01b0\u1edbc khi r\u1ea3i BTN tr\u00ean l\u1edbp m\u00f3ng ho\u1eb7c tr\u00ean m\u1eb7t \u0111\u01b0\u1eddng c\u0169 \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa, l\u00e0m v\u1ec7 sinh ph\u1ea3i \u0111\u01b0\u1ee3c t\u01b0\u1edbi m\u1ed9t l\u01b0\u1ee3ng nh\u1ef1a th\u1ea5m b\u00e1m ho\u1eb7c d\u00ednh b\u00e1m theo y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n

      Ph\u1ea3i \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 cao \u0111\u1ed9 r\u1ea3i \u1edf hai m\u00e9p m\u1eb7t \u0111\u01b0\u1eddng \u0111\u00fang v\u1edbi thi\u1ebft k\u1ebf.<\/p>\n

      3. V\u1eadn chuy\u1ec3n h\u1ed7n h\u1ee3p BTN:<\/span><\/h5>\n

      D\u00f9ng \u00f4 t\u00f4 t\u1ef1 \u0111\u1ed5 v\u1eadn chuy\u1ec3n h\u1ed7n h\u1ee3p BTN, tr\u1ecdng t\u1ea3i v\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u00f4 t\u00f4 ph\u00f9 h\u1ee3p v\u1edbi c\u00f4ng xu\u1ea5t tr\u1ea1m tr\u1ed9n, m\u00e1y r\u1ea3i v\u00e0 c\u1ef1 ly v\u1eadn chuy\u1ec3n \u0111\u1ea3m b\u1ea3o s\u1ef1 li\u00ean t\u1ee5c nh\u1ecbp nh\u00e0ng \u1edf c\u00e1c kh\u00e2u.<\/p>\n

      Th\u00f9ng xe ph\u1ea3i k\u00edn, s\u1ea1ch, c\u00f3 qu\u00e9t m\u1ed9t l\u1edbp m\u1ecfng dung d\u1ecbch x\u00e0 ph\u00f2ng v\u00e0o \u0111\u00e1y v\u00e0 th\u00e0nh th\u00f9ng (ho\u1eb7c d\u1ea7u ch\u1ed1ng d\u00ednh). Kh\u00f4ng d\u00f9ng d\u1ea7u maz\u00fat v\u00e0 c\u00e1c dung m\u00f4i ho\u00e0 tan bi tum v\u00e0o \u0111\u00e1y v\u00e0 th\u00e0nh xe. Xe v\u1eadn chuy\u1ec3n h\u1ed7n h\u1ee3p BTN ph\u1ea3i c\u00f3 b\u1ea1t che.<\/p>\n

      M\u1ed7i chuy\u1ebfn \u00f4 t\u00f4 v\u1eadn chuy\u1ec3n khi r\u1eddi tr\u1ea1m ph\u1ea3i c\u00f3 phi\u1ebfu xu\u1ea5t x\u01b0\u1edfng ghi r\u00f5 nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p, ch\u1ea5t l\u01b0\u1ee3ng, n\u01a1i xe \u0111\u1ebfn v\u00e0 t\u00ean ng\u01b0\u1eddi l\u00e1i xe.<\/p>\n

      Tr\u01b0\u1edbc khi \u0111\u1ed5 h\u1ed7n h\u1ee3p BTN v\u00e0o ph\u1ec5u m\u00e1y r\u1ea3i ph\u1ea3i ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p b\u1eb1ng nhi\u1ec7t k\u1ebf, n\u1ebfu nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p nh\u1ecf h\u01a1n 120o<\/sup>C th\u00ec ph\u1ea3i lo\u1ea1i \u0111i.<\/p>\n

      4. R\u1ea3i h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a:<\/span><\/h5>\n
        \n
      • C\u00f4ng t\u00e1c r\u1ea3i h\u1ed7n h\u1ee3p BTN n\u00f3ng ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng m\u00e1y r\u1ea3i chuy\u00ean d\u00f9ng, \u1edf nh\u1eefng ch\u1ed7 h\u1eb9p, kh\u00f4ng r\u1ea3i \u0111\u01b0\u1ee3c b\u1eb1ng m\u00e1y r\u1ea3i chuy\u00ean d\u00f9ng th\u00ec cho ph\u00e9p r\u1ea3i th\u1ee7 c\u00f4ng v\u00e0 ph\u1ea3i tu\u00e2n theo c\u00e1c \u0111i\u1ec1u\u00a0 kho\u1ea3n n\u00eau \u1edf ph\u1ea7n d\u01b0\u1edbi.<\/li>\n
      • Tu\u1ef3 theo b\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng, n\u00ean d\u00f9ng 2 (ho\u1eb7c 3) m\u00e1y r\u1ea3i ho\u1ea1t r\u1ed9ng \u0111\u1ed3ng th\u1eddi tr\u00ean 2 (ho\u1eb7c 3) v\u1ec7t r\u1ea3i. C\u00e1c m\u00e1y r\u1ea3i \u0111i c\u00e1ch nhau 10m – 20m.<\/li>\n
      • Khi ch\u1ec9 d\u00f9ng m\u1ed9t m\u00e1y r\u1ea3i tr\u00ean m\u1eb7t \u0111\u01b0\u1eddng r\u1ed9ng g\u1ea5p \u0111\u00f4i v\u1ec7t r\u1ea3i, th\u00ec r\u1ea3i theo ph\u01b0\u01a1ng ph\u00e1p so le, b\u1ec1 d\u00e0i c\u1ee7a m\u1ed7i \u0111o\u1ea1n t\u1eeb 25m – 80m tu\u1ef3 theo nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed l\u00fac r\u1ea3i t\u01b0\u01a1ng \u1ee9ng t\u1eeb 5\u00b0C – 30\u00b0C.<\/li>\n
      • Khi b\u1eaft \u0111\u1ea7u ca l\u00e0m vi\u1ec7c, cho m\u00e1y r\u1ea3i ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng t\u1ea3i 10 ph\u00fat – 15 ph\u00fat \u0111\u1ec3 ki\u1ec3m tra m\u00e1y, s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a gu\u1ed3ng xo\u1eafn, b\u0103ng chuy\u1ec1n, \u0111\u1ed1t n\u00f3ng t\u1ea5m l\u00e0. \u0110\u1eb7t d\u01b0\u1edbi t\u1ea5m l\u00e0 2 con x\u00fac x\u1eafc ho\u1eb7c thanh g\u1ed7 c\u00f3 chi\u1ec1u cao b\u1eb1ng 1,2 – 1,3 b\u1ec1 d\u00e0y thi\u1ebft k\u1ebf c\u1ee7a b\u00ea t\u00f4ng nh\u1ef1a. Tr\u1ecb s\u1ed1 ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua \u0111o\u1ea1n thi c\u00f4ng th\u00ed \u0111i\u1ec3m n\u00f3i tr\u00ean.<\/li>\n
      • \u00d4 t\u00f4 ch\u1edf h\u1ed7n h\u1ee3p \u0111i l\u00f9i t\u1edbi ph\u1ec5u m\u00e1y r\u1ea3i, b\u00e1nh xe ti\u1ebfp x\u00fac \u0111\u1ec1u v\u00e0 nh\u1eb9 nh\u00e0ng v\u1edbi 2 tr\u1ee5c l\u0103n c\u1ee7a m\u00e1y r\u1ea3i. Sau \u0111\u00f3 \u0111i\u1ec1u khi\u1ec3n cho th\u00f9ng ben \u0111\u1ed5 t\u1eeb t\u1eeb h\u1ed7n h\u1ee3p xu\u1ed1ng gi\u1eefa ph\u1ec5u m\u00e1y r\u1ea3i. Xe \u0111\u1ec3 s\u1ed1 0, m\u00e1y r\u1ea3i s\u1ebd \u0111\u1ea9y \u00f4 t\u00f4 t\u1eeb t\u1eeb v\u1ec1 ph\u00eda tr\u01b0\u1edbc c\u00f9ng m\u00e1y r\u1ea3i .<\/li>\n
      • Khi h\u1ed7n h\u1ee3p \u0111\u00e3 ph\u00e2n \u0111\u1ec1u d\u1ecdc theo gu\u1ed3ng xo\u1eafn c\u1ee7a m\u00e1y r\u1ea3i v\u00e0 ng\u1eadp t\u1edbi 2\/3 chi\u1ec1u cao gu\u1ed3ng xo\u00e1n th\u00ec m\u00e1y r\u1ea3i ti\u1ebfn h\u00e0nh v\u1ec1 ph\u00eda tr\u01b0\u1edbc theo v\u1ec7t quy \u0111\u1ecbnh. Trong qu\u00e1 tr\u00ecnh r\u1ea3i lu l\u00e8n cho h\u1ed7n h\u1ee3p th\u01b0\u1eddng xuy\u00ean ng\u1eadp 2\/3 chi\u1ec1u cao gu\u1ed3ng xo\u1eafn .<\/li>\n
      • Trong su\u1ea5t th\u1eddi gian r\u1ea3i h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a n\u00f3ng, b\u1eaft bu\u1ed9c \u0111\u1ec3 thanh \u0111\u1ea7m c\u1ee7a m\u00e1y r\u1ea3i lu l\u00e8n ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
      • Tu\u1ef3 b\u1ec1 d\u00e0y c\u1ee7a l\u1edbp, tu\u1ef3 n\u0103ng su\u1ea5t c\u1ee7a m\u00e1y tr\u1ed9n m\u00e0 ch\u1ecdn t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y r\u1ea3i, cho th\u00edch h\u1ee3p.\u00a0 Khi n\u0103ng su\u1ea5t c\u1ee7a c\u00e1c tr\u1ea1m tr\u1ed9n\u00a0 th\u1ea5p h\u01a1n n\u0103ng su\u1ea5t m\u00e1y r\u1ea3i, th\u00ec ch\u1ecdn t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u00e1y r\u1ea3i nh\u1ecf \u0111\u1ec3 gi\u1ea3m t\u1ed1i thi\u1ec3u s\u1ed1 l\u1ea7n \u0111\u1ee9ng \u0111\u1ee3i c\u1ee7a m\u00e1y r\u1ea3i. Gi\u1eef t\u1ed1c \u0111\u1ed9 m\u00e1y r\u1ea3i th\u1eadt \u0111\u1ec1u trong c\u1ea3 qu\u00e1 tr\u00ecnh r\u1ea3i.<\/li>\n
      • Ph\u1ea3i th\u01b0\u1eddng xuy\u00ean d\u00f9ng que s\u1eaft \u0111\u00e3 \u0111\u00e1nh d\u1ea5u \u0111\u1ec3 ki\u1ec3m tra b\u1ec1 d\u00e0y r\u1ea3i.<\/li>\n
      • Khi c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh (v\u1edbi m\u00e1y kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh) th\u00ec v\u1eb7n tay quay n\u00e2ng (hay h\u1ea1) t\u1ea5m l\u00e0 t\u1eeb t\u1eeb \u0111\u1ec3 l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a kh\u1ecfi b\u1ecb \u0111\u00e1nh kh\u1ea5c.<\/li>\n
      • Cu\u1ed1i ng\u00e0y l\u00e0m vi\u1ec7c, m\u00e1y r\u1ea3i ph\u1ea3i ch\u1ea1y kh\u00f4ng t\u1ea3i ra qu\u00e1 cu\u1ed1i v\u1ec7t r\u1ea3i kho\u1ea3ng 5m – 7m m\u1edbi \u0111\u01b0\u1ee3c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. D\u00f9ng b\u00e0n trang n\u00f3ng, c\u00e0o s\u1eaft n\u00f3ng vun v\u00e9n cho m\u00e9p cu\u1ed1i v\u1ec7t r\u1ea3i \u0111\u1ee7 chi\u1ec1u d\u00e0y v\u00e0 th\u00e0nh m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng, th\u1eb3ng g\u00f3c v\u1edbi tr\u1ee5c \u0111\u01b0\u1eddng.<\/li>\n
      • Cu\u1ed1i ng\u00e0y l\u00e0m vi\u1ec7c, ph\u1ea3i x\u1eafn b\u1ecf m\u1ed9t ph\u1ea7n h\u1ed7n h\u1ee3p \u0111\u1ec3 m\u00e9p g\u1ed7 ch\u1ed7 n\u1ed7i ti\u1ebfp \u0111\u01b0\u1ee3c\u00a0 ngay th\u1eb3ng ph\u1ea3i ti\u1ebfn h\u00e0nh ngay sau khi lu l\u00e8n xong, l\u00fac h\u1ed7n h\u1ee3p c\u00f2n n\u00f3ng, nh\u01b0ng kh\u00f4ng l\u1edbn h\u01a1n + 70\u00b0C.<\/li>\n
      • Tr\u01b0\u1edbc khi r\u1ea3i ti\u1ebfp ph\u1ea3i s\u1eeda sang l\u1ea1i m\u00e9p ch\u1ed7 n\u1ed1i ti\u1ebfp d\u1ecdc v\u00e0 ngang v\u00e0 qu\u00e9t m\u1ed9t l\u1edbp m\u1ecfng nh\u1ef1a \u0111\u00f4ng \u0111\u1eb7c v\u1eeba hay nh\u0169 t\u01b0\u01a1ng nh\u1ef1a \u0111\u01b0\u1eddng ph\u00e2n t\u00e1ch nhanh\u00a0 (ho\u1eb7c s\u1ea5y n\u00f3ng ch\u1ed7 n\u1ed1i ti\u1ebfp b\u1eb1ng thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 d\u00ednh k\u1ebft gi\u1eefa 2 v\u1ec7t r\u1ea3i\u00a0 c\u0169 v\u00e0 m\u1edbi.<\/li>\n
      • Khe n\u1ed1i d\u1ecdc \u1edf l\u1edbp tr\u00ean v\u00e0 d\u01b0\u1edbi l\u1edbp ph\u1ea3i so le nhau, c\u00e1ch nhau \u00edt nh\u1ea5t l\u00e0 20cm. Khe n\u1ed1i ngang \u1edf l\u1edbp tr\u00ean v\u00e0 l\u1edbp d\u01b0\u1edbi c\u00e1ch nhau \u00edt nh\u1ea5t l\u00e0 1m.<\/li>\n
      • Khi m\u00e1y r\u1ea3i l\u00e0m vi\u1ec7c, b\u1ed1 tr\u00ed c\u00f4ng nh\u00e2n c\u1ea7m d\u1ee5ng c\u1ee5 theo m\u00e1y \u0111\u1ec3 l\u00e0m c\u00e1c vi\u1ec7c nh\u01b0 sau:<\/li>\n<\/ul>\n

        + T\u00e9 ph\u1ee7 h\u1ed7n h\u1ee3p h\u1ea1t nh\u1ecf l\u1ea5y t\u1eeb trong ph\u1ec5u m\u00e1y r\u1ea3i, th\u00e0nh l\u1edbp m\u1ecfng d\u1ecdc theo m\u1ed1i n\u1ed1i , san \u0111\u1ec1u c\u00e1c ch\u1ed7 l\u1ed3i l\u00f5m, r\u1ed7 c\u1ee7a m\u1ed1i n\u1ed1i tr\u01b0\u1edbc khi lu l\u00e8n.<\/p>\n

        + X\u00fac, \u0111\u00e0o b\u1ecf ch\u1ed7 m\u1edbi r\u1ea3i b\u1ecb qu\u00e1 thi\u1ebfu nh\u1ef1a ho\u1eb7c qu\u00e1 t\u1eeba nh\u1ef1a v\u00e0 b\u00f9 v\u00e0o ch\u1ed7 \u0111\u00f3 h\u1ed7n h\u1ee3p t\u1ed1t.<\/p>\n

        +\u00a0 G\u1ecdt b\u1ecf , b\u00f9 ph\u1ee5 nh\u1eefng ch\u1ed7 l\u1ed3i l\u00f5m c\u1ee5c b\u1ed9 tr\u00ean b\u00ea t\u00f4ng nh\u1ef1a m\u1edbi r\u1ea3i.<\/p>\n

          \n
        • Tr\u01b0\u1eddng h\u1ee3p m\u00e1y r\u1ea3i \u0111ang l\u00e0m vi\u1ec7c b\u1ecb h\u1ecfng (th\u1eddi gian ph\u1ea3i s\u1eefa ch\u1eefa k\u00e9o d\u00e0i h\u00e0ng gi\u1edd) th\u00ec ph\u1ea3i b\u00e1o ngay v\u1ec1 tr\u1ea1m t\u1ea1m ng\u1eebng cung c\u1ea5p h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng v\u00e0 cho ph\u00e9p d\u00f9ng m\u00e1y san t\u1ef1 h\u00e0nh san r\u1ea3i n\u1ed1t s\u1ed1 h\u1ed7n h\u1ee3p c\u00e0n l\u1ea1i( n\u1ebfu b\u1ec1 d\u1ea7y thi\u1ebft k\u1ebf c\u1ee7a h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a > 4cm ), ho\u1eb7c r\u1ea3i n\u1ed1t b\u1eb1ng th\u1ee7 c\u00f4ng khi kh\u1ed1i l\u01b0\u1ee3ng h\u1ed7n h\u1ee3p c\u00f2n l\u1ea1i \u00edt.<\/li>\n
        • Tr\u01b0\u1eddng h\u1ee3p m\u00e1y \u0111ang r\u1ea3i g\u1eb7p m\u01b0a \u0111\u1ed9t ng\u1ed9t th\u00ec ph\u1ea3i b\u00e1o ngay v\u1ec1 tr\u1ea1m tr\u1ed9n t\u1ea1m ng\u1eebng cung c\u1ea5p h\u1ed7n h\u1ee3p, khi l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a \u0111\u00e3 \u0111\u01b0\u1ee3c\u00a0 lu l\u00e8n \u00b3 2\/3 \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u th\u00ec cho ph\u00e9p ti\u1ebfp t\u1ee5c lu trong m\u01b0a cho h\u1ebft s\u1ed1 lu l\u00e8n y\u00eau c\u1ea7u, khi l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a m\u1edbi \u0111\u01b0\u1ee3c lu l\u00e8n\u00a0 < 2\/3 \u0111\u1ed9 ch\u1eb7t y\u00eau c\u1ea7u th\u00ec ng\u1eebng lu, san b\u1ecf h\u1ed7n h\u1ee3p ra kh\u1ecfi ph\u1ea1m vi m\u1eb7t \u0111\u01b0\u1eddng. Ch\u1ec9 khi n\u00e0o m\u1eb7t \u0111\u01b0\u1eddng kh\u00f4 r\u00e1o l\u1ea1i m\u1edbi \u0111\u01b0\u1ee3c r\u1ea3i h\u1ed7n h\u1ee3p ti\u1ebfp. Sau khi m\u01b0a xong, khi c\u1ea7n thi\u1ebft thi c\u00f4ng g\u1ea5p, cho xe ch\u1edf c\u00e1t \u0111\u00e3 \u0111\u01b0\u1ee3c rang n\u00f3ng \u1edf tr\u1ea1m tr\u1ed9n (170\u00b0C – 180\u00b0C \u0111\u1ebfn r\u1ea3i m\u1ed9t\u00a0 l\u1edbp d\u00e0y kho\u1ea3ng 2 cm l\u00ean m\u1eb7t \u0111\u1ec3 ch\u00f3ng kh\u00f4 r\u00e1o. Sau \u0111\u00f3 \u0111em c\u00e1t ra kh\u1ecfi m\u1eb7t \u0111\u01b0\u1eddng, qu\u00e9t s\u1ea1ch, t\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m, r\u1ed3i ti\u1ebfp t\u1ee5c r\u1ea3i h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a. C\u00f3 th\u1ec3 d\u00f9ng m\u00e1y h\u01a1i \u00e9p v\u00e0 \u0111\u00e8n kh\u00f2 l\u00e0m kh\u00f4 m\u1eb7t \u0111\u01b0\u1eddng tr\u01b0\u1edbc khi r\u1ea3i ti\u1ebfp.<\/li>\n
        • Tr\u00ean \u0111o\u1ea1n \u0111\u01b0\u1eddng c\u00f3 d\u1ed1c d\u1ecdc > 4% ph\u1ea3i ti\u1ebfn h\u00e0nh r\u1ea3i b\u00ea t\u00f4ng t\u1eeb ch\u00e2n d\u1ed1c \u0111i l\u00ean .<\/li>\n
        • Khi ph\u1ea3i r\u1ea3i b\u1eb1ng th\u1ee7 c\u00f4ng (\u1edf c\u00e1c ch\u1ed7 h\u1eb9p) ph\u1ea3i tu\u00e2n theo quy \u0111\u1ecbnh sau:<\/li>\n<\/ul>\n

          + D\u00f9ng x\u1ebbng x\u00fac h\u1ed7n h\u1ee3p \u0111\u1ed5 th\u1ea5p tay, kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ea5t t\u1eeb xa \u0111\u1ec3 h\u1ed7n h\u1ee3p kh\u00f4ng b\u1ecb ph\u00e2n t\u1ea7ng.<\/p>\n

          + D\u00f9ng c\u00e0o v\u00e0 b\u00e0n trang tr\u1ea3i \u0111\u1ec1u th\u00e0nh m\u1ed9t l\u1edbp b\u1eb1ng ph\u1eb3ng \u0111\u1ea1t d\u1ed1c ngang y\u00eau c\u1ea7u, b\u1ec1 d\u00e0y b\u1eb1ng 1,35-1,45 b\u1ec1 d\u00e0y thi\u1ebft k\u1ebf .<\/p>\n

          + R\u1ea3i th\u1ee7 c\u00f4ng \u0111\u1ed3ng th\u1eddi v\u1edbi m\u00e1y r\u1ea3i \u0111\u1ec3 c\u00f3 th\u1ec3 lu l\u00e8n chung v\u1ec7t r\u1ea3i b\u1eb1ng m\u00e1y v\u1edbi ch\u1ed7 r\u1ea3i b\u1eb1ng th\u1ee7 c\u00f4ng, b\u1ea3o \u0111\u1ea3m m\u1eb7t \u0111\u01b0\u1eddng kh\u00f4ng c\u00f3 v\u1ebft n\u1ed1i.<\/p>\n

            \n
          • Khi ph\u1ea3i r\u1ea3i v\u1ec7t l\u1edbn h\u01a1n v\u1ec7t r\u1ea3i c\u1ee7a m\u00e1y 40cm – 50cm li\u00ean t\u1ee5c theo chi\u1ec1u d\u00e0i th\u00ec \u0111\u01b0\u1ee3c ph\u00e9p m\u1edf m\u00e1 th\u00e9p b\u00e0n \u1ed1p m\u1ed9t b\u00ean \u0111\u1ea7u gu\u1ed3ng xo\u1eafn ph\u00e1i c\u1ea7n ph\u1ea3i r\u1ea3i th\u00eam b\u1eb1ng th\u1ee7 c\u00f4ng v\u00e0 d\u00f9ng c\u00e0o, x\u1ebbng ph\u00e2n ph\u1ed1i h\u1ed7n h\u1ee3p ra \u0111\u1ec1u. L\u00fac n\u00e0y, c\u1ea7n thanh ch\u1eafn b\u1eb1ng g\u1ed7 ho\u1eb7c thanh ray (c\u00f3 chi\u1ec1u cao b\u1eb1ng b\u1ec1 d\u00e0y r\u1ea3i) theo m\u00e9p m\u1eb7t \u0111\u01b0\u1eddng v\u00e0 \u0111\u00f3ng c\u1ecdc s\u1eaft gi\u1eef ch\u1eb7t. Sau khi lu l\u00e8n v\u00e0i l\u01b0\u1ee3t th\u00ec duy chuy\u1ec3n c\u00e1c thanh ch\u1eafn n\u00e0y l\u00ean ph\u00eda tr\u01b0\u1edbc theo m\u00e1y r\u1ea3i.<\/li>\n<\/ul>\n
            5. C\u00f4ng t\u00e1c \u0111\u1ea7m l\u00e8n<\/strong><\/span><\/h5>\n
              \n
            • S\u01a1 \u0111\u1ed3 lu l\u00e8n, t\u1ed1c \u0111\u1ed9 lu l\u00e8n , s\u1ef1 ph\u1ed1i h\u1ee3p c\u00e1c lo\u1ea1i lu , s\u1ed1 l\u1ea7n lu l\u00e8n qua m\u1ed9t \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i lu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u00ean \u0111o\u1ea1n th\u00ed \u0111i\u1ec3m (c\u00f3 th\u1ec3 tham kh\u1ea3o ph\u1ee5 l\u1ee5c 1 \u201c Qui tr\u00ecnh thi c\u00f4ng v\u00e0 nghi\u1ec7m thu m\u1eb7t \u0111\u01b0\u1eddng BTN\u201d 22TCN 249 – 98).<\/li>\n
            • M\u00e1y r\u1ea3i h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a xong \u0111\u1ebfn \u0111\u00e2u l\u00e0 m\u00e1y lu ph\u1ea3i ti\u1ebfn h\u00e0nh theo s\u00e1t lu ngay \u0111\u1ebfn \u0111\u00f3. C\u1ea7n tranh th\u1ee7 lu l\u00e8n khi h\u1ed7n h\u1ee3p c\u00f2n gi\u1eef nhi\u1ec7t \u0111\u1ed9 lu l\u00e8n c\u00f3 hi\u1ec7u qu\u1ea3. Nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3 nh\u1ea5t khi lu l\u00e8n h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a n\u00f3ng l\u00e0 130\u00b0C-140\u00b0C. Khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a h\u1ea1 xu\u1ed1ng d\u01b0\u1edbi 70\u00b0C th\u00ec lu l\u00e8n kh\u00f4ng c\u00f3 hi\u1ec7u qu\u1ea3 n\u1eefa.<\/li>\n
            • Trong qu\u00e1 tr\u00ecnh lu, \u0111\u1ed1i v\u1edbi lu b\u00e1nh s\u1eaft th\u01b0\u1eddng xuy\u00ean l\u00e0m \u1ea9m b\u00e1nh s\u1eaft b\u1eb1ng n\u01b0\u1edbc. Khi h\u1ed7n h\u1ee3p d\u00ednh b\u00e1m b\u00e1nh xe lu ph\u1ea3i d\u00f9ng x\u1ebbng c\u00e0o ngay v\u00e0 b\u00f4i \u01b0\u1edbt m\u1eb7t b\u00e1nh. M\u1eb7t kh\u00e1c d\u00f9ng h\u1ed7n h\u1ee3p h\u1ea1t nh\u1ecf l\u1ea5y ngay v\u00e0o ch\u1ed7 b\u1ecb b\u00f3c ra.<\/li>\n
            • \u0110\u1ed1i v\u1edbi lu b\u00e1nh h\u01a1i, d\u00f9ng d\u1ea7u ch\u1ed1ng d\u00ednh b\u00e1m b\u00f4i b\u00e1nh l\u1ed1p v\u00e0i l\u01b0\u1ee3t \u0111\u1ea7u,v\u1ec1 sau khi l\u1ed1p \u0111\u00e3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao x\u1ea5p x\u1ec9 v\u1edbi h\u1ed7n h\u1ee3p th\u00ec h\u1ed7n h\u1ee3p kh\u00f4ng d\u00ednh b\u00e1m v\u00e0o l\u1ed1p n\u1eefa.<\/li>\n
            • Kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng d\u1ea7u ma z\u00fat b\u00f4i v\u00e0o b\u00e1nh xe lu \u0111\u1ec3 ch\u1ed1ng d\u00ednh b\u00e1m.<\/li>\n
            • Kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng n\u01b0\u1edbc \u0111\u1ec3 b\u00f4i v\u00e0o b\u00e1nh l\u1ed1p c\u1ee7a lu b\u00e1nh h\u00f4i.<\/li>\n
            • V\u1ec7t b\u00e1nh lu ph\u1ea3i ch\u1ed3ng l\u00ean nhau \u00edt nh\u1ea5t l\u00e0 20cm. Tr\u01b0\u1eddng h\u1ee3p r\u1ea3i theo ph\u01b0\u01a1ng so le khi lu l\u00e8n tr\u00ean v\u1ec7t r\u1ea3i th\u1ee9c nh\u1ea5t, c\u1ea7n ch\u1eeba l\u1ea1i m\u1ed9t r\u1ea3i r\u1ed9ng kho\u1ea3ng 10cm k\u1ec3 t\u1eeb m\u00e9p v\u1ec7t r\u1ea3i, \u0111\u1ec3 sau \u0111\u00f3 lu c\u00f9ng v\u1edbi m\u00e9p r\u1ea3i c\u1ee7a v\u1ec7t r\u1ea3i th\u1ee9 2, cho khe n\u1ed1i d\u1ecdc \u0111\u01b0\u1ee3c li\u1ec1n. Khi lu l\u00e8n v\u1ec7t th\u1ee9 2 th\u00ec d\u00e0nh cho nh\u1eefng l\u01b0\u1ee3t lu \u0111\u1ea7u ti\u00ean cho m\u1ed1i n\u1ed1i d\u1ecdc n\u00e0y.<\/li>\n
            • Khi b\u00e1nh lu kh\u1edfi \u0111\u1ed9ng, \u0111\u1ed5i h\u01b0\u1edbng ti\u1ebfn l\u00f9i, ph\u1ea3i thao t\u00e1c nh\u1eb9 nh\u00e0ng. M\u00e1y lu kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed7 l\u1ea1i tr\u00ean l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a ch\u01b0a lu l\u00e8n ch\u1eb7t v\u00e0 ch\u01b0a ngu\u1ed9i h\u1eb3n.<\/li>\n
            • Sau khi l\u01b0\u1ee3t lu \u0111\u1ea7u ti\u00ean ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng b\u1eb1ng th\u01b0\u1edbc 3m, b\u1ed5 khuy\u1ebft ngay ch\u1ed7 l\u1ed3i l\u00f5m.<\/li>\n
            • Trong khi lu l\u00e8n n\u1ebfu th\u1ea5y l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a b\u1ecb n\u1ee9t n\u1ebb ph\u1ea3i t\u00ecm nguy\u00ean nh\u00e2n \u0111\u1ec3 b\u1ed5 khuy\u1ebft.<\/li>\n<\/ul>\n
              6. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng.<\/span><\/h5>\n

              Vi\u1ec7c gi\u00e1m s\u00e1t ki\u1ec3m tra ti\u1ebfn h\u00e0nh th\u01b0\u1eddng xuy\u00ean tr\u01b0\u1edbc khi r\u1ea3i, trong khi\u00a0 r\u1ea3i v\u00e0 sau khi r\u1ea3i l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a.<\/p>\n

              (1). Ki\u1ec3m tra gi\u00e1m s\u00e1t vi\u1ec7c ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a \u1edf tr\u1ea1m tr\u1ed9n.<\/span><\/h5>\n
                \n
              • Ki\u1ec3m tra v\u1ec1 s\u1ef1 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn \u1edf c\u1ee7a thi\u1ebft b\u1ecb tr\u1ea1m tr\u1ed9n tr\u01b0\u1edbc khi ho\u1ea1t \u0111\u1ed9ng: ki\u1ec3m \u0111\u1ecbnh l\u1ea1i l\u01b0u l\u01b0\u1ee3ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u00e2n \u0111ong c\u1ed1t li\u1ec7u v\u00e0 nh\u1ef1a, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang; ki\u1ec3m \u0111\u1ecbnh l\u1ea1i c\u00e1c \u0111\u1eb7c tr\u01b0ng c\u1ee7a b\u1ed9 ph\u1eadn tr\u1ed9n; ch\u1ea1y th\u1eed m\u00e1y \u0111i\u1ec1u ch\u1ec9nh s\u1ef1 ch\u00ednh x\u00e1c th\u00edch h\u1ee3p v\u1edbi l\u00fd l\u1ecbch m\u00e1y; ki\u1ec3m tra c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n lao \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng khi m\u00e1y ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
              • Ki\u1ec3m tra thi\u1ebft b\u1ecb trong khi ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a: ki\u1ec3m tra theo d\u00f5i c\u00e1c th\u00f4ng tin th\u1ec3 hi\u1ec7n tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a tr\u1ea1m tr\u1ed9n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c: l\u01b0u l\u01b0\u1ee3ng c\u00e1c b\u1ed9 ph\u1eadn c\u00e2n \u0111ong; l\u01b0u l\u01b0\u1ee3ng c\u1ee7a b\u01a1m nh\u1ef1a; l\u01b0u l\u01b0\u1ee3ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb v\u1eadn chuy\u1ec3n b\u1ed9t kho\u00e1ng; kh\u1ed1i l\u01b0\u1ee3ng h\u1ed7n h\u1ee3p c\u1ee7a m\u1ed9t m\u1ebb tr\u1ed9n v\u00e0 th\u1eddi gian tr\u1ed9n m\u1ed9t m\u1ebb; nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m c\u1ee7a c\u1ed1t li\u1ec7u kho\u00e1ng \u0111\u00e3 \u0111\u01b0\u1ee3c rang n\u00f3ng; nhi\u1ec7t \u0111\u1ed9 c\u1ee7a nh\u1ef1a, l\u01b0\u1ee3ng ti\u00eau th\u1ee5 trung b\u00ecnh c\u1ee7a nh\u1ef1a. C\u00e1c sai s\u1ed1 cho ph\u00e9p c\u00e2n \u0111ong v\u1eadt li\u1ec7u kho\u00e1ng l\u00e0 (3% kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u t\u01b0\u01a1ng \u1ee9ng. Sai s\u1ed1 cho ph\u00e9p khi c\u00e2n l\u01b0\u1ee3ng nh\u1ef1a l\u00e0 (1,5% kh\u1ed1i l\u01b0\u1ee3ng nh\u1ef1a).<\/li>\n
              • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u00e1 d\u0103m, c\u00e1t: C\u1ee9 5 ng\u00e0y ph\u1ea3i l\u1ea5y m\u1eabu \u0111\u00e3 ki\u1ec3m tra m\u1ed9t l\u1ea7n, x\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng b\u1ee5i s\u00e9t, th\u00e0nh ph\u1ea7n c\u1ee1 h\u1ea1t, l\u01b0\u1ee3ng h\u1ea1t d\u1eb9t. Ngo\u00e0i ra ph\u1ea3i l\u1ea5y m\u1eabu ki\u1ec3m tra khi c\u00f3 lo\u1ea1i c\u00e1t m\u1edbi .c\u1ea7n ph\u1ed1i h\u1ee3p ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u \u0111\u00e1 \u1edf n\u01a1i s\u1ea3n xu\u1ea5t\u0111\u00e1 con tr\u01b0\u1edbc khi ch\u1edf t\u1edbi tr\u1ea1m tr\u1ed9n. C\u1ee9 3 ng\u00e0y l\u1ea5y m\u1eabu ki\u1ec3m tra m\u1ed9t l\u1ea7n, x\u00e1c \u0111\u1ecbnh m\u00f4 \u0111un \u0111\u1ed9 l\u1edbn c\u1ee7a c\u00e1t (MK), th\u00e0nh ph\u1ea7n h\u1ea1t, h\u00e0m l\u01b0\u1ee3ng b\u1ee5i s\u00e9t. Ngo\u00e0i ra ph\u1ea3i ki\u1ec3m tra khi c\u00f3 lo\u1ea1i c\u00e1t m\u1edbi. Sau khi m\u01b0a, tr\u01b0\u1edbc khi \u0111\u01b0a v\u1eadt li\u1ec7u \u0111\u00e1, c\u00e1t v\u00e0o tr\u1ed1ng s\u1ea5y, ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 \u1ea9m c\u1ee7a ch\u00fang \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh kh\u1ed1i l\u01b0\u1ee3ng khi c\u00e2n \u0111ong v\u00e0 th\u1eddi gian s\u1ea5y.<\/li>\n
              • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng b\u1ed9t kho\u00e1ng theo c\u00e1c ch\u1ec9 ti\u00eau c\u1ee7a v\u1eadt li\u1ec7u kho\u00e1ng nh\u01b0 \u0111\u00e3 n\u00eau \u1edf ph\u1ea7n tr\u00ean cho m\u1ed7i l\u1ea7n nh\u1eadp, ngo\u00e0i ra c\u1ee9 5 ng\u00e0y m\u1ed9t l\u1ea7n ki\u1ec3m tra x\u00e1c \u0111\u1ecbnh th\u00e0nh h\u1ea1t v\u00e0 \u0111\u1ed9 \u1ea9m.<\/li>\n
              • \u0110\u1ed1i v\u1edbi nh\u1ef1a \u0111\u1eb7c, ngo\u00e0i quy \u0111\u1ecbnh \u1edf m\u1ee5c 301.2-4 ph\u1ea3i ki\u1ec3m tra m\u1ed7i ng\u00e0y m\u1ed9t l\u1ea7n \u0111\u1ed9 kim l\u00fan \u1edf 25\u00b0C c\u1ee7a m\u1eabu nh\u1ef1a l\u1ea5y t\u1eeb th\u00f9ng n\u1ea5u nh\u1ef1a s\u01a1 b\u1ed9.<\/li>\n
              • Ki\u1ec3m tra h\u1ed7n h\u1ee3p c\u1ee7a b\u00ea t\u00f4ng nh\u1ef1a khi ra kh\u1ecfi thi\u1ebft b\u1ecb tr\u1ed9n: Ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 c\u1ee7a h\u1ed7n h\u1ee3p c\u1ee7a m\u1ebb tr\u1ed9n; Ki\u1ec3m tra b\u1eb1ng m\u1eaft ch\u1ea5t l\u01b0\u1ee3ng tr\u1ed9n \u0111\u1ec1u c\u1ee7a h\u1ed7n h\u1ee3p; Ki\u1ec3m tra c\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a \u0111\u00e3 tr\u1ed9n xong . Xem b\u1ea3ng 6 Trong m\u1ed7i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a tr\u1ea1m tr\u1ed9n ph\u1ea3i l\u1ea5y m\u1eabu ki\u1ec3m tra \u00edt nh\u1ea5t l\u00e0 1l\u1ea7n cho m\u1ed9t c\u00f4ng th\u1ee9c ch\u1ebf t\u1ea1o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a. \u0110\u1ed1i v\u1edbi c\u00e1c m\u00e1y c\u00f3 n\u0103ng xu\u1ea5t l\u1edbn th\u00ec m\u1ed9t m\u1eabu th\u00ed nghi\u1ec7m c\u00e1c ch\u1ec9 ti\u00eau tr\u00ean cho 200 t\u1ea5n h\u1ed7n h\u1ee3p c\u00f9ng c\u00f4ng th\u1ee9c ch\u1ebf t\u1ea1o.<\/li>\n
              • Dung sai cho ph\u00e9p so v\u1edbi c\u1ea5p ph\u1ed1i h\u1ea1t v\u00e0 h\u00e0m l\u01b0\u1ee3ng nh\u1ef1a c\u1ee7a c\u00f4ng th\u1ee9c \u0111\u00e3 thi\u1ebft k\u1ebf cho h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u00e1 tr\u1ecb cho \u1edf b\u1ea3ng 6.<\/li>\n<\/ul>\n

                B\u1ea3ng 6: Dung sai cho ph\u00e9p so v\u1edbi c\u1ea5p ph\u1ed1i h\u1ea1t v\u00e0 l\u01b0\u1ee3ng nh\u1ef1a \u0111\u00e3 thi\u1ebft k\u1ebf cho h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a<\/p>\n

                 <\/p>\n\n\n\n\n\n\n\n\n\n
                \n

                C\u1ee1 h\u1ea1t<\/p>\n<\/td>\n

                		\n

                Dung sai cho ph\u00e9p\u00a0\u00a0\u00a0 (%)<\/p>\n<\/td>\n

                		\n

                D\u1ee5ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra<\/p>\n<\/td>\n<\/tr>\n

                C\u1ee1 h\u1ea1t t\u1eeb 15mm tr\u1edf l\u00ean<\/td>\n\n

                \u00b1 8<\/p>\n<\/td>\n

                		\n

                B\u1eb1ng s\u00e0ng<\/p>\n<\/td>\n<\/tr>\n

                C\u1ee1 h\u1ea1t t\u1eeb 10mm \u0111\u1ebfn 5mm<\/td>\n\n

                \u00b1 7<\/p>\n<\/td>\n<\/tr>\n

                C\u1ee1 h\u1ea1t t\u1eeb 2,5 \u0111\u1ebfn 1,25mm<\/td>\n\n

                \u00b1 6<\/p>\n<\/td>\n<\/tr>\n

                C\u1ee1 h\u1ea1t t\u1eeb 0,63mm \u0111\u1ebfn 0,315mm<\/td>\n\n

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

                C\u1ee1 h\u1ea1t d\u01b0\u1edbi 0,074<\/td>\n\n

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

                H\u00e0m l\u01b0\u1ee3ng nh\u1ef1a<\/td>\n\n

                \u00b1 0,1<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                <\/div>\n
                  \n
                • C\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a m\u1eabu b\u00ea t\u00f4ng nh\u1ef1a ph\u1ea3i th\u1ecfa m\u00e3n c\u00e1c y\u00eau c\u1ea7u c\u1ea7n ghi \u1edf b\u1ea3ng II-2a v\u00e0 II-2b c\u1ee7a \u201c Qui tr\u00ecnh thi c\u00f4ng v\u00e0 nghi\u1ec7m thu m\u1eb7t \u0111\u01b0\u1eddng BTN” \u201d 22 TCN 249 – 98.<\/li>\n
                • T\u1ea5t c\u1ea3 nh\u1eefng s\u1ed1 li\u1ec7u ki\u1ec3m tra ph\u1ea3i \u0111\u01b0\u1ee3cl\u01b0u gi\u1eef c\u1ea9n th\u1eadn.<\/li>\n<\/ul>\n
                  (2) Ki\u1ec3m tra tr\u01b0\u1edbc khi r\u1ea3i b\u00ea t\u00f4ng nh\u1ef1a \u1edf hi\u1ec7n tr\u01b0\u1eddng<\/span><\/strong><\/span><\/h5>\n
                    \n
                  • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng l\u1edbp m\u00f3ng: ki\u1ec3m tra cao \u0111\u1ed9 c\u1ee7a m\u1eb7t l\u1edbp m\u00f3ng b\u1eb1ng m\u00e1y thu\u1ef7 b\u00ecnh; ki\u1ec3m tra \u0111\u1ed9 ph\u1eb3ng c\u1ee7a m\u1eb7t l\u1edbp m\u00f3ng b\u1eb1ng th\u01b0\u1edbc 3 m; ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c ngang c\u1ee7a m\u00f3ng b\u1eb1ng th\u01b0\u1edbc m\u1eabu ho\u1eb7c b\u1eb1ng m\u00e1y thu\u1ef7 b\u00ecnh ( n\u1ebfu \u0111\u01b0\u1eddng r\u1ed9ng, b\u1ebfn b\u00e3i …); ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c d\u1ecdc c\u1ee7a m\u00f3ng; ki\u1ec3m tra \u0111\u1ed9 s\u1ea1ch v\u00e0 \u0111\u1ed9 kh\u00f4 r\u00e1o m\u1eb7t m\u00f3ng b\u1eb1ng m\u1eaft; ki\u1ec3m tra k\u1ef9 thu\u1eadt t\u01b0\u1edbi nh\u1ef1a d\u00ednh b\u00e1m b\u1eb1ng m\u1eaft; ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng b\u00f9 v\u00eanh, v\u00e1 \u1ed5 g\u00e0, x\u1eed l\u00fd c\u00e1c \u0111\u01b0\u1eddng n\u1ee9t tr\u00ean m\u1eb7t \u0111\u01b0\u1eddng c\u0169 l\u00e0m m\u00f3ng. Dung sai cho ph\u00e9p \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1eb7t l\u1edbp m\u00f3ng ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u \u1edf m\u1ee5c 200.3 – 12.<\/li>\n
                  • Ki\u1ec3m tra v\u1ecb tr\u00ed c\u00e1c c\u1ecdc tim v\u00e0 c\u00e1c c\u1ecdc gi\u1edbi h\u1ea1n\u00a0 c\u00e1c v\u1ec7t r\u1ea3i. Ki\u1ec3m tra c\u00e1c d\u00e2y c\u0103ng l\u00e0m c\u1eef. Ki\u1ec3m tra c\u00e1c thanh ch\u1eafn \u1edf c\u00e1c m\u00e9p m\u1eb7t \u0111\u01b0\u1eddng . Ki\u1ec3m tra \u0111\u1ed9 c\u0103ng v\u00e0 cao \u0111\u1ed9 c\u1ee7a d\u00e2y chu\u1ea9n ho\u1eb7c d\u1ea7m chu\u1ea9n (khi d\u00f9ng m\u00e1y c\u00f3 b\u1ed9 ph\u1eadn \u0111i\u1ec1u ch\u1ec9nh t\u1ef1 \u0111\u1ed9ng cao \u0111\u1ed9 r\u1ea3i).<\/li>\n
                  • Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u00e0nh m\u00e9p m\u1ed1i n\u1ed1i ngang, d\u1ecdc c\u1ee7a c\u00e1c v\u1ec7t r\u1ea3i ng\u00e0y h\u00f4m tr\u01b0\u1edbc, (th\u1eb3ng \u0111\u1ee9ng v\u00e0 \u0111\u01b0\u1ee3c b\u00f4i nh\u1ef1a d\u00ednh b\u00e1m).<\/li>\n<\/ul>\n
                    (3) Ki\u1ec3m tra trong khi r\u1ea3i v\u00e0 lu l\u00e8n l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a<\/span><\/h5>\n
                      \n
                    • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1ef1a v\u1eadn chuy\u1ec3n \u0111\u1ebfn n\u01a1i r\u1ea3i: ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9 h\u1ed7n h\u1ee3p tr\u00ean m\u1ed7i chuy\u1ebfn xe b\u1eb1ng nhi\u1ec7t k\u1ebf tr\u01b0\u1edbc khi \u0111\u1ed5 v\u00e0o ph\u1ec5u m\u00e1y r\u1ea3i ph\u1ea3i \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng d\u01b0\u1edbi 130\u00b0C (-10\u00b0C); ki\u1ec3m tra h\u1ed7n h\u1ee3p tr\u00ean m\u1ed7i chuy\u1ebfn xe b\u1eb1ng m\u1eaft (m\u1ee9c \u0111\u1ed9 tr\u1ed9n \u0111\u1ec1u, qu\u00e1 nhi\u1ec1u nh\u1ef1a ho\u1eb7c qu\u00e1 thi\u1ebfu nh\u1ef1a, ph\u00e2n t\u1ea7ng …).<\/li>\n
                    • Trong qu\u00e1 tr\u00ecnh r\u1ea3i , th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng b\u1eb1ng th\u01b0\u1edbc 3 m chi\u1ec1u d\u00e0y l\u1edbp r\u1ea3i b\u1eb1ng que s\u1eaft c\u00f3 \u0111\u00e1nh d\u1ea5u m\u1ee9c r\u1ea3i qui \u0111\u1ecbnh (ho\u1eb7c b\u1eb1ng ph\u01b0\u01a1ng ti\u1ec7n hi\u1ec7n \u0111\u1ea1i), \u0111\u1ed9 d\u1ed1c ngang m\u1eb7t ngang m\u1eb7t \u0111\u01b0\u1eddng ; ki\u1ec3m tra ph\u1ed1i h\u1ee3p b\u1eb1ng cao \u0111\u1ea1c.<\/li>\n
                    • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng b\u00f9 ph\u1ee5, g\u1ecdt b\u1ecf c\u00e1c ch\u1ed7 l\u00f5m, l\u1ed3i c\u1ee7a c\u00f4ng nh\u00e2n.<\/li>\n
                    • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c m\u1ed1i n\u1ed1i d\u1ecdc v\u00e0 ngang b\u1eb1ng m\u1eaft , b\u1ea3o \u0111\u1ea3m m\u1ed1i n\u1ed1i th\u1eb3ng m\u1eb7t m\u1ed1i n\u1ed1i kh\u00f4ng r\u1ed7, kh\u00f4ng l\u1ed3i l\u00f5m, kh\u00f4ng b\u1ecb khu\u1ea5t .<\/li>\n
                    • Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng lu l\u00e8n c\u1ee7a l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a trong c\u1ea3 qu\u00e1 tr\u00ecnh m\u00e1y lu ho\u1ea1t \u0111\u1ed9ng. S\u01a1 \u0111\u1ed3 lu, s\u1ef1 ph\u1ed1i h\u1ee3p c\u00e1c lo\u1ea1i lu, t\u1ed1c \u0111\u1ed9 lu t\u1eebng giai \u0111o\u1ea1n, \u00e1p xu\u1ea5t c\u1ee7a b\u00e1nh h\u01a1i. Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 ph\u1eadn ch\u1ea5n \u0111\u1ed9ng c\u1ee7a lu ch\u1ea5n \u0111\u1ed9ng, nhi\u1ec7t \u0111\u1ed9 l\u00fac b\u1eaft \u0111\u1ea7u lu l\u00e8n v\u00e0 l\u00fac k\u1ebft th\u00fac lu l\u00e8n … t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec1u \u1ea5y ph\u1ea3i \u0111\u00fang theo ch\u1ebf \u0111\u1ed9 \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u00f3 hi\u1ec7u qu\u1ea3 tr\u00ean \u0111o\u1ea1n r\u1ea3i th\u1eed .<\/li>\n<\/ul>\n
                      7. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 nghi\u1ec7m thu:<\/strong><\/span><\/h5>\n
                        \n
                      • Sau khi thi c\u00f4ng ho\u00e0n ch\u1ec9nh m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a ph\u1ea3i ti\u1ebfn h\u00e0nh nghi\u1ec7m thu. C\u00e1c y\u00eau c\u1ea7u ph\u1ea3i tho\u1ea3 m\u00e3n trong qu\u00e1 tr\u00ecnh nghi\u1ec7m thu m\u1eb7t \u0111\u01b0\u1eddng BTN \u0111\u01b0\u1ee3c th\u1ed1ng k\u00ea nh\u01b0 sau:<\/li>\n<\/ul>\n
                        (1). V\u1ec1 c\u00e1c k\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc<\/span><\/h5>\n
                          \n
                        • B\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u1eb1ng th\u01b0\u1edbc th\u00e9p .<\/li>\n
                        • B\u1ec1 d\u00e0y l\u1edbp r\u1ea3i \u0111\u01b0\u1ee3c nghi\u1ec7m thu theo c\u00e1c m\u1eb7t c\u1eaft b\u1eb1ng m\u1ed9t trong c\u00e1c sau: cao \u0111\u1ea1c m\u1eb7t l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a so v\u1edbi c\u00e1c s\u1ed1 li\u1ec7u cao \u0111\u1ea1c c\u00e1c \u0111i\u1ec3m t\u01b0\u01a1ng \u1ee9ng \u1edf m\u1eb7t c\u1ee7a l\u1edbp m\u00f3ng (ho\u1eb7c c\u1ee7a l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a d\u01b0\u1edbi). Ho\u1eb7c b\u1eb1ng c\u00e1ch \u0111o tr\u00ean c\u00e1c m\u1eabu khoan trong m\u1eb7t \u0111\u01b0\u1eddng , ho\u1eb7c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o chi\u1ec1u d\u00e0y kh\u00f4ng ph\u00e1 ho\u1ea1i.<\/li>\n
                        • \u0110\u1ed9 d\u1ed1c ngang m\u1eb7t \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y thu\u1ef7 b\u00ecnh ch\u00ednh x\u00e1c (cao \u0111\u1ea1c) v\u00e0 th\u01b0\u1edbc th\u00e9p theo h\u01b0\u1edbng th\u1eb3ng g\u00f3c v\u1edbi tim \u0111\u01b0\u1eddng, t\u1eeb tim ra m\u00e9p (n\u1ebfu 2 m\u00e1i ) t\u1eeb m\u00e1i n\u00e0y \u0111\u1ebfn m\u00e1i kia (n\u1ebfu \u0111\u01b0\u1eddng 1 m\u00e1i). \u0110i\u1ec3m \u0111o \u1edf m\u00e9p ph\u1ea3i l\u1ea5y c\u00e1ch m\u00e9p 0,50m. Kho\u1ea3ng c\u00e1ch gi\u1eefa 2 m\u1eb7t c\u1eaft \u0111o kh\u00f4ng qu\u00e1 10m .<\/li>\n
                        • \u0110\u1ed9 d\u1ed1c d\u1ecdc ki\u1ec3m tra b\u1eb1ng m\u00e1y thu\u1ef7 b\u00ecnh ch\u00ednh x\u00e1c (cao \u0111\u1ea1c) t\u1ea1i c\u00e1c \u0111i\u1ec3m \u0111\u1ed5i d\u1ed1c d\u1ecdc theo tim \u0111\u01b0\u1eddng.<\/li>\n
                        • Sai s\u1ed1 c\u1ee7a c\u00e1c \u0111\u1eb7c tr\u01b0ng h\u00ecnh h\u1ecdc c\u1ee7a l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 c\u00e1c gi\u00e1 tr\u1ecb ghi \u1edf b\u1ea3ng 7:<\/li>\n<\/ul>\n

                          B\u1ea3ng 7: Sai s\u1ed1 cho ph\u00e9p c\u1ee7a \u0111\u1eb7c tr\u01b0ng h\u00ecnh h\u1ecdc c\u1ee7a l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a<\/p>\n\n\n\n\n\n\n\n
                          \n

                          C\u00e1c kh\u00edch th\u01b0\u1edbc h\u00ecnh h\u1ecdc<\/p>\n<\/td>\n

                          		\n

                          Sai s\u1ed1 cho ph\u00e9p<\/p>\n

                          \n<\/td>\n

                          		\n

                          Ghi ch\u00fa<\/p>\n<\/td>\n

                          		\n

                          D\u1ee5ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3n tra<\/p>\n<\/td>\n<\/tr>\n

                          1.B\u1ec1 r\u1ed9ng m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a<\/td>\n\n

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

                          		T\u1ed5ng s\u1ed1 ch\u1ed7 h\u1eb9p kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 5% chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng<\/td>\n <\/p>\n

                           <\/p>\n

                           <\/p>\n

                          Nh\u01b0 \u0111\u00e3 n\u00eau \u1edf tr\u00ean.<\/p>\n<\/td>\n<\/tr>\n

                          2. B\u1ec1 d\u00e0y l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a<\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp d\u01b0\u1edbi<\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp tr\u00ean<\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp tr\u00ean khi d\u00f9ng m\u00e1y r\u1ea3i c\u00f3 \u0111i\u1ec1u ch\u1ec9nh t\u1ef1 \u0111\u1ed9ng cao \u0111\u1ed9<\/td>\n

                          		\n

                          \u00b110%<\/p>\n

                          \u00b18%<\/p>\n

                          \u00b15%<\/p>\n<\/td>\n

                          		\u00e1p d\u1ee5ng cho 95%t\u1ed5ng s\u1ed1 \u0111i\u1ec3m \u0111o, 5% c\u00f2n l\u1ea1i kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10mm<\/td>\n<\/tr>\n
                          3. \u0110\u1ed9 d\u1ed1c ngang m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a<\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp d\u01b0\u1edbi<\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp tr\u00ean<\/td>\n

                          		\n

                          \u00b10,005<\/p>\n

                          \u00b10,0025<\/p>\n<\/td>\n

                          		\u00e1p d\u1ee5ng cho 95%t\u1ed5ng s\u1ed1 \u0111i\u1ec3m \u0111o<\/td>\n<\/tr>\n
                          4. Sai s\u1ed1 cao \u0111\u1ea1c kh\u00f4ng v\u01b0\u1ee3t qu\u00e1<\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp d\u01b0\u1edbi<\/p>\n

                           <\/p>\n

                          – \u0110\u1ed1i v\u1edbi l\u1edbp tr\u00ean<\/td>\n

                          		\n

                          -10mm<\/p>\n

                          \u00b15mm<\/p>\n

                          \u00b15mm<\/p>\n<\/td>\n

                          		\u00e1p d\u1ee5ng cho 95%t\u1ed5ng s\u1ed1 \u0111i\u1ec3m \u0111o<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                          <\/div>\n
                          (2) V\u1ec1 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng<\/span><\/h5>\n

                          – Ki\u1ec3m tra \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng b\u1eb1ng th\u01b0\u1edbc d\u00e0i 3m. Tu\u1ef3 theo r\u1ea3i b\u1eb1ng m\u00e1y r\u1ea3i th\u00f4ng th\u01b0\u1eddng hay m\u00e1y r\u1ea3i c\u00f3 thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ec9nh t\u1ef1 \u0111\u1ed9ng cao \u0111\u1ed9 m\u00e0 ti\u00eau chu\u1ea9n nghi\u1ec7m thu \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng tu\u00e2n theo c\u00e1c gi\u00e1 tr\u1ecb ghi trong b\u1ea3ng 8.<\/p>\n

                          B\u1ea3ng 8 : Ti\u00eau chu\u1ea9n nghi\u1ec7m thu \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a (D\u1ee5ng c\u1ee5 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra : th\u01b0\u1edbc d\u00e0i 3m, 22 TCN 016 – 79)<\/p>\n\n\n\n\n\n
                          \n

                          Lo\u1ea1i m\u00e1y r\u1ea3i<\/p>\n

                          \n<\/td>\n

                          		\n

                          V\u1ecb tr\u00ed l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a<\/p>\n<\/td>\n

                          		\n

                          Ph\u1ea7n tr\u0103m c\u00e1c khe h\u1edf gi\u1eeda th\u01b0\u1edbc d\u00e0i 3m v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng (%)<\/p>\n<\/td>\n

                          		\n

                          Khe h\u1edf l\u1edbn nh\u1ea5t<\/p>\n<\/td>\n<\/tr>\n

                          \n

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

                          		\n

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

                          		\n

                          \u00b35mm<\/p>\n<\/td>\n

                          		\n

                          (mm)<\/p>\n<\/td>\n<\/tr>\n

                          C\u00f3 \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng cao \u0111\u1ed9 r\u1ea3i<\/p>\n

                           <\/p>\n

                          Th\u00f4ng th\u01b0\u1eddng<\/td>\n

                          		L\u1edbp tr\u00ean<\/p>\n

                          L\u1edbp d\u01b0\u1edbi<\/p>\n

                           <\/p>\n

                          L\u1edbp tr\u00ean<\/p>\n

                          L\u1edbp d\u01b0\u1edbi<\/td>\n

                          		\n

                          \u00b390%<\/p>\n

                          \u00b385%<\/p>\n

                          –<\/p>\n

                          –<\/p>\n<\/td>\n

                          		\n

                          –<\/p>\n

                          –<\/p>\n

                          \u00b3 85%<\/p>\n

                          \u00b3 80%<\/p>\n<\/td>\n

                          		\n

                          \u00a35<\/p>\n

                          \u00a35%<\/p>\n

                          –<\/p>\n

                          –<\/p>\n<\/td>\n

                          		\n

                          6<\/p>\n

                          –<\/p>\n

                          10<\/p>\n

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

                          <\/div>\n
                            \n
                          • Ngo\u00e0i ra ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 ch\u00eanh gi\u1eefa hai \u0111i\u1ec3m d\u1ecdc theo tim \u0111\u01b0\u1eddng. Hi\u1ec7u s\u1ed1 \u0111\u1ea1i s\u1ed1 c\u1ee7a hai \u0111i\u1ec3m so v\u1edbi \u0111\u01b0\u1eddng chu\u1ea9n ph\u1ea3i tu\u00e2n theo c\u00e1c gi\u00e1 tr\u1ecb ghi trong b\u1ea3ng 9.<\/li>\n<\/ul>\n

                            B\u1ea3ng 9: Ti\u00eau chu\u1ea9n nghi\u1ec7m thu \u0111\u1ed9 ch\u00eanh gi\u1eefa hai \u0111i\u1ec3m d\u1ecdc theo tim \u0111\u01b0\u1eddng<\/p>\n\n\n\n\n\n\n
                            \n

                            Lo\u1ea1i m\u00e1y r\u1ea3i<\/p>\n

                            \n<\/td>\n

                            		\n

                            Kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111i\u1ec3m \u0111o (m)<\/p>\n<\/td>\n

                            		\n

                            Hi\u1ec7u s\u1ed1 \u0111\u1ea1i s\u1ed1 ch\u00eanh c\u1ee7a hai \u0111i\u1ec3m \u0111o v\u1edbi so v\u1edbi \u0111\u01b0\u1eddng chu\u1ea9n (mm) .kh\u00f4ng l\u01a1n h\u01a1n<\/p>\n<\/td>\n<\/tr>\n

                            M\u00e1y r\u1ea3i c\u00f3 \u0111i\u1ec1u khi\u1ec3mt\u1ef1 \u0111\u1ed9ng cao \u0111\u1ed9 r\u1ea3i<\/td>\n\n

                            5<\/p>\n

                            10<\/p>\n

                            20<\/p>\n<\/td>\n

                            		\n

                            5<\/p>\n

                            8<\/p>\n

                            16<\/p>\n<\/td>\n<\/tr>\n

                            M\u00e1y r\u1ea3i th\u00f4ng th\u01b0\u1eddng<\/p>\n

                             <\/td>\n

                            		\n

                            5<\/p>\n

                            10<\/p>\n

                            20<\/p>\n<\/td>\n

                            		\n

                            7<\/p>\n

                            12<\/p>\n

                            24<\/p>\n<\/td>\n<\/tr>\n

                            Ghi ch\u00fa:\u00a0\u00a0 90% t\u1ed5ng c\u00e1c \u0111i\u1ec3m \u0111o tho\u1ea3 m\u00e3n y\u00eau c\u1ea7u tr\u00ean.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                            <\/div>\n
                              \n
                            • \u0110\u1ed9 b\u1eb1ng ph\u1eb3ng c\u00f2n ph\u1ea3i \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c b\u1eb1ng thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 to\u00e0n b\u1ed9 \u0111\u1ed9 b\u1eb1ng ph\u1eb3ng theo 22 TCN 277 \u2013 01. \u0110\u1ed9 b\u1eb1ng ph\u1eb3ng t\u00ednh theo ch\u1ec9 s\u1ed1 \u0111\u1ed9 g\u1ed3 gh\u1ec1 qu\u1ed1c t\u1ebf ( IRI) ph\u1ea3i nh\u1ecf h\u01a1n ho\u1eb7c b\u1eb1ng 2,0.<\/li>\n<\/ul>\n
                              (3) V\u1ec1 \u0111\u1ed9 nh\u00e1m<\/span><\/h5>\n

                              Ki\u1ec3m tra \u0111\u1ed9 nh\u00e1m b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u1eafc c\u00e1t. Xem 22T CN 278 – 2001 . Y\u00eau c\u1ea7u chi\u1ec1u cao l\u1edbn h\u01a1n ho\u1eb7c b\u1eb1ng 0,4mm .<\/p>\n

                              (4) V\u1ec1 \u0111\u1ed9 ch\u1eb7t lu l\u00e8n<\/span><\/h5>\n
                                \n
                              • H\u1ec7 s\u1ed1 \u0111\u1ed9 ch\u1eb7t lu l\u00e8n (K) c\u1ee7a l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a r\u1ea3i n\u00f3ng sau khi thi c\u00f4ng kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 0,98\u00a0 .<\/li>\n<\/ul>\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 K= gtn \/g 0<\/p>\n

                                \u00a0 Trong \u0111\u00f3:<\/p>\n

                                gtn:\u00a0 Dung tr\u1ecdng trung b\u00ecnh c\u1ee7a b\u00ea t\u00f4ng nh\u1ef1a sau khi thi c\u00f4ng \u1edf hi\u1ec7n tr\u01b0\u1eddng;<\/p>\n

                                \u00a0g0: Dung tr\u1ecdng trunh b\u00ecnh c\u1ee7a b\u00ea t\u00f4ng nh\u1ef1a \u1edf tr\u1ea1m tr\u1ed9n t\u01b0\u01a1ng \u1ee9ng l\u00fd tr\u00ecnh ki\u1ec3m tra .<\/p>\n

                                  \n
                                • C\u1ee9 m\u1ed7i 200m \u0111\u01b0\u1eddng hai l\u00e0n xe ho\u1eb7c c\u1ee9 1500m2 m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a khoan l\u1ea5y 1 t\u1ed5 3 m\u1eabu \u0111\u01b0\u1eddng k\u00ednh 101,6mm \u0111\u1ec3 th\u00ed nghi\u1ec7m h\u1ec7 s\u1ed1 \u0111\u1ed9 ch\u1eb7t lu l\u00e8n, chi\u1ec1u d\u00e0y l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt kh\u00e1c.<\/li>\n<\/ul>\n
                                    \n
                                  • N\u00ean d\u00f9ng c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng ph\u00e1 ho\u1ea1i \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u1eb7t m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a .<\/li>\n<\/ul>\n
                                    (5) V\u1ec1 \u0111\u1ed9 d\u00ednh b\u00e1m gi\u1eefa hai l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a hay gi\u1eefa hai l\u1edbp b\u00ea t\u00f4ng nh\u1ef1a v\u1edbi l\u1edbp m\u00f3ng<\/span><\/h5>\n

                                    Ch\u1ec9 ti\u00eau n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng m\u1eaft b\u1eb1ng c\u00e1ch nh\u1eadn x\u00e9t m\u1eabu khoan. S\u1ef1 d\u00ednh b\u00e1m ph\u1ea3i t\u1ed1t .<\/p>\n

                                    (6) V\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c m\u1ed1i n\u1ed1i<\/span><\/h5>\n
                                      \n
                                    • Ch\u1ec9 ti\u00eau n\u00e0y \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 b\u1eb1ng m\u1eaft. M\u1ed1i n\u1ed1i ph\u1ea3i ngay th\u1eb3ng, b\u1eb1ng ph\u1eb3ng, kh\u00f4ng r\u1ed7 m\u1eb7t, kh\u00f4ng b\u1ecb khu\u1ea5t, kh\u00f4ng c\u00f3 khe h\u1edf .<\/li>\n
                                    • H\u1ec7 s\u1ed1 \u0111\u1ed9 ch\u1eb7t lu l\u00e8n c\u1ee7a b\u00ea t\u00f4ng nh\u1ef1a \u1edf ngay l\u1edbp khe n\u1ed1i d\u1ecdc ch\u1ec9 \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n 0,01 so v\u1edbi h\u1ec7 s\u1ed1 ch\u1eb7t y\u00eau c\u1ea7u chung \u1edf m\u1ee5c 4.<\/li>\n
                                    • S\u1ed1 m\u1eabu \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 \u0111\u1ed9 ch\u1eb7t lu l\u00e8n \u1edf m\u00e9p khe n\u1ed1i d\u1ecdc ph\u1ea3i chi\u1ebfm 20% t\u1ed5ng s\u1ed1 m\u1eabu x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 d\u1ecdc ch\u1eb7t lu l\u00e8n c\u1ee7a to\u00e0n b\u1ed9 m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a .<\/li>\n<\/ul>\n
                                      (7) C\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a b\u00ea t\u00f4ng nh\u1ef1a<\/span><\/h5>\n

                                      C\u00e1c ch\u1ec9 ti\u00eau c\u01a1 l\u00fd c\u1ee7a BTN nguy\u00ean d\u1ea1ng l\u1ea5y \u1edf m\u1eb7t \u0111\u01b0\u1eddng v\u00e0 c\u1ee7a c\u00e1c m\u1eabu b\u00ea t\u00f4ng nh\u01b0\u1ea1 \u0111\u01b0\u1ee3c ch\u1ebf b\u1ecb l\u1ea1i t\u1eeb m\u1eabu khoan hay \u0111\u00e0o \u1edf m\u1eb7t \u0111\u01b0\u1eddng ph\u1ea3i tho\u1ea3 m\u00e3n c\u00e1c tr\u1ecb s\u1ed1 y\u00eau c\u1ea7u ghi trong b\u1ea3ng II-2a v\u00e0 II-2b c\u1ee7a \u201cQui tr\u00ecnh thi c\u00f4ng v\u00e0 nghi\u1ec7m thu m\u1eb7t \u0111\u01b0\u1eddng BTN\u201d 22TCN 249 – 98.\u00a0Th\u00f4ng xe<\/p>\n

                                      \u00a0\u0110o\u1ea1n \u0111\u01b0\u1eddng l\u00e0m xong kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p th\u00f4ng xe tr\u01b0\u1edbc khi c\u00f3 s\u1ef1 \u0111\u1ed3ng \u00fd c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 T\u01b0 v\u1ea5n gi\u00e1m s\u00e1t.<\/p>\n

                                      C\u1ea3m \u01a1n c\u00e1c b\u1ea1n \u0111\u00e3 \u0111\u1ed3ng h\u00e0nh c\u00f9ng H\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng. Ch\u00fac c\u00e1c b\u1ea1n th\u00e0nh c\u00f4ng !<\/p>\n

                                      C\u00e2u h\u1ecfi : <\/strong><\/em>l\u01b0\u1edbi an to\u00e0n ban c\u00f4ng<\/strong><\/span><\/p>\r\n

                                      M\u1eadt kh\u1ea9u:<\/strong> 201XXXX (7 k\u00fd t\u1ef1 s\u1ed1)<\/strong>\u00a0. Xem c\u00e1ch t\u1ea3i ph\u00eda d\u01b0\u1edbi.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                                      B\u00ea t\u00f4ng nh\u1ef1a (Asphalt concrete – AC) l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u v\u00f4 c\u00f9ng quan tr\u1ecdng trong \u0111\u01b0\u1eddng b\u1ed9. N\u00f3 c\u00f3 m\u1eb7t h\u1ea7u h\u1ebft \u1edf c\u00e1c t\u1ea7ng ph\u1ee7 c\u1ee7a c\u00e1c lo\u1ea1i m\u1eb7t \u0111\u01b0\u1eddng m\u1ec1m c\u1ea5p cao. Dowload Bi\u1ec7n ph\u00e1p thi c\u00f4ng l\u1edbp m\u1eb7t b\u00ea t\u00f4ng nh\u1ef1a M\u1eadt kh\u1ea9u : Cu\u1ed1i b\u00e0i vi\u1ebft >> Xem th\u00eam:…<\/p>\n","protected":false},"author":1,"featured_media":2459,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/32","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=32"}],"version-history":[{"count":11,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/32\/revisions"}],"predecessor-version":[{"id":10710,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/32\/revisions\/10710"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/2459"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=32"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=32"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=32"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}