{"id":3810,"date":"2020-04-15T10:14:37","date_gmt":"2020-04-15T10:14:37","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=3810"},"modified":"2020-04-15T10:20:17","modified_gmt":"2020-04-15T10:20:17","slug":"quan-trac-lun-la-gi","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=3810","title":{"rendered":"Quan tr\u1eafc l\u00fan l\u00e0 g\u00ec ? C\u00e1ch th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c quan tr\u1eafc nh\u01b0 th\u1ebf n\u00e0o ?"},"content":{"rendered":"

M\u1ed7i c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c x\u00e2y l\u00ean th\u00ec vi\u1ec7c quan tr\u1eafc l\u00fan<\/strong><\/a> l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft n\u00f3 gi\u00fap \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a c\u00f4ng tr\u00ecnh. C\u00f9ng h\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng t\u00ecm hi\u1ec3u chi ti\u1ebft \u0111\u1ecbnh ngh\u0129a c\u0169ng nh\u01b0 c\u00e1c th\u1ee9c quan tr\u1eafc l\u00fan th\u1ef1c hi\u1ec7n ra sao c\u1ee5 th\u1ec3 sau \u0111\u00e2y:<\/p>\n

Quan tr\u1eafc l\u00fan l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n

Quan tr\u1eafc l\u00fan c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ea7n thi\u1ebft v\u00e0 quan tr\u1ecdng khi x\u1eed l\u00fd c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng g\u1eb7p s\u1ef1 c\u1ed1 l\u00fan n\u1ec1n, chuy\u1ec3n d\u1ecbch qu\u00e1 gi\u1edbi h\u1ea1n cho ph\u00e9p, g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh v\u00e0 m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi thi c\u00f4ng hay ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n

Gi\u00e1 tr\u1ecb c\u1ee7a\u00a0quan tr\u1eafc l\u00fan<\/strong><\/span><\/h2>\n

Nh\u00e0 \u0111\u1ea7u t\u01b0 s\u1ebd\u00a0ki\u1ec3m tra, x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c\u00a0gi\u00e1 tr\u1ecb l\u00fan\u00a0(\u0111\u1ed9 l\u00fan l\u1ec7ch,\u00a0t\u1ed1c \u0111\u1ed9 l\u00fan\u00a0trung b\u00ecnh c\u1ee7a\u00a0c\u00f4ng tr\u00ecnh) so v\u1edbi c\u00e1c\u00a0gi\u1edbi h\u1ea1n l\u00fan\u00a0\u0111\u01b0\u1ee3c t\u00ednh to\u00e1n trong\u00a0thi\u1ebft k\u1ebf thi c\u00f4ng x\u00e2y d\u1ef1ng nh\u1edd ti\u1ebfn h\u00e0nh\u00a0c\u00f4ng t\u00e1c quan tr\u1eafc l\u00fan\u00a0. Ngo\u00e0i ra, c\u00f2n c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c c\u1ee7a\u00a0n\u1ec1n m\u00f3ng c\u00f4ng tr\u00ecnh\u00a0th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i v\u00e0 m\u1ee9c \u0111\u1ed9 hi\u1ec7n tr\u1ea1ng sau khi \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng.\u00a0Th\u00eam v\u00e0o \u0111\u00f3, ta c\u0169ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb \u0111\u1ed9 l\u00fan, \u0111\u1ed9 chuy\u1ec3n d\u1ecbch trung b\u00ecnh c\u1ee7a\u00a0c\u00f4ng tr\u00ecnh\u00a0c\u00f3 n\u1eb1m trong gi\u1edbi h\u1ea1n cho ph\u00e9p \u0111\u1ed1i v\u1edbi\u00a0c\u00e1c lo\u1ea1i c\u00f4ng tr\u00ecnh\u00a0v\u00e0 c\u00e1c\u00a0n\u1ec1n \u0111\u1ea5t x\u00e2y d\u1ef1ng\u00a0kh\u00e1c nhau hay kh\u00f4ng.<\/p>\n

\"\"<\/em><\/p>\n

H\u00ecnh 1. C\u00f4ng tr\u00ecnh b\u1ecb l\u00fan<\/em><\/p>\n

Quan tr\u1eafc l\u00fan\u00a0\u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/span><\/h2>\n

B\u01b0\u1edbc 1:<\/em><\/strong>\u00a0L\u1eadp \u0111\u1ec1 c\u01b0\u01a1ng ho\u1eb7c\u00a0ph\u01b0\u01a1ng \u00e1n k\u1ef9 thu\u1eadt\u00a0c\u1ee7a\u00a0c\u00f4ng t\u00e1c quan tr\u1eafc l\u00fan\u00a0c\u00f4ng tr\u00ecnh.<\/em><\/strong><\/span><\/h3>\n

Tr\u01b0\u1edbc khi\u00a0ti\u1ebfn h\u00e0nh quan tr\u1eafc l\u00fan c\u00f4ng tr\u00ecnh, vi\u1ec7c l\u1eadp ra m\u1ed9t k\u1ebf ho\u1ea1ch v\u00e0 c\u00e1c ph\u01b0\u01a1ng \u00e1n th\u1ef1c hi\u1ec7n k\u1ebf ho\u1ea1ch \u0111\u00f3 l\u00e0 \u0111i\u1ec1u t\u1ea5t y\u1ebfu. Th\u00f4ng qua k\u1ebf ho\u1ea1ch c\u00f3 s\u1eb5n, ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n\u00a0quan tr\u1eafc l\u00fan\u00a0c\u0169ng ch\u1ee7 \u0111\u1ed9ng \u0111\u01b0\u1ee3c\u00a0c\u00f4ng vi\u1ec7c quan tr\u1eafc\u00a0c\u1ee7a m\u00ecnh c\u1ea7n ph\u1ea3i ho\u00e0n th\u00e0nh v\u00e0o th\u1eddi gian n\u00e0o, \u0111i\u1ec1u ch\u1ec9nh ti\u1ebfn \u0111\u1ed9 ra sao cho ph\u00f9 h\u1ee3p v\u1edbi k\u1ebf ho\u1ea1ch.<\/p>\n

B\u01b0\u1edbc 2:\u00a0L\u1ef1a ch\u1ecdn thi\u1ebft k\u1ebf c\u1ea5u t\u1ea1o\u00a0c\u00e1c lo\u1ea1i\u00a0m\u1ed1c chu\u1ea9n\u00a0v\u00e0\u00a0m\u1ed1c quan tr\u1eafc.<\/em><\/strong>\u00a0<\/span><\/h3>\n

X\u00e1c \u0111\u1ecbnh\u00a0m\u1ed1c chu\u1ea9n v\u00e0 m\u1ed1c quan tr\u1eafc l\u00fan\u00a0c\u0103n c\u1ee9 tr\u00ean nh\u1eefng\u00a0quy \u0111\u1ecbnh trong x\u00e2y d\u1ef1ng\u00a0l\u00e0 y\u1ebfu t\u1ed1 b\u1eaft bu\u1ed9c tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh\u00a0qu\u00e1 tr\u00ecnh quan tr\u1eafc l\u00fan.<\/p>\n

\"\"<\/em><\/p>\n

H\u00ecnh 2. M\u00e1y th\u1ee7y b\u00ecnh \u0111i\u1ec7n t\u1eed Trimble Dini 03<\/em><\/p>\n

B\u01b0\u1edbc 3: Ph\u00e2n b\u1ed1 v\u1ecb tr\u00ed \u0111\u1eb7t\u00a0m\u1ed1c c\u01a1 s\u1edf m\u1eb7t b\u1eb1ng<\/em><\/strong>\u00a0v\u00e0 \u0111\u1ed9 cao<\/em><\/strong>.<\/span><\/h3>\n

C\u1ea7n ti\u1ebfn h\u00e0nh ph\u00e2n b\u1ed5 nh\u1eefng\u00a0m\u1ed1c c\u01a1 s\u1edf m\u1eb7t b\u1eb1ng v\u00e0 \u0111\u1ed9 cao\u00a0v\u1edbi c\u00e1c\u00a0m\u1ed1c \u0111o l\u00fan.<\/p>\n

B\u01b0\u1edbc 4: G\u1eafn c\u00e1c\u00a0m\u1ed1c \u0111o l\u00fan\u00a0v\u00e0 \u0111o chuy\u1ec3n d\u1ecbch cho nh\u00e0 v\u00e0\u00a0c\u00f4ng tr\u00ecnh<\/em><\/strong>.<\/span><\/h3>\n

G\u1eafn c\u1ed1 \u0111\u1ecbnh c\u00e1c\u00a0m\u1ed1c \u0111o l\u00fan\u00a0v\u00e0o nh\u1eefng v\u1ecb tr\u00ed \u0111\u00e3 \u0111\u1eb7t m\u1ed1c tr\u01b0\u1edbc \u0111\u00f3 \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho\u00a0c\u00f4ng t\u00e1c \u0111o \u0111\u1ea1c.<\/p>\n

B\u01b0\u1edbc 5: S\u1eed d\u1ee5ng\u00a0m\u00e1y \u0111o c\u00e1c gi\u00e1 tr\u1ecb \u0111\u1ed9 l\u00fan,\u00a0\u0111\u1ed9 chuy\u1ec3n d\u1ecbch ngang\u00a0v\u00e0\u00a0\u0111\u1ed9 nghi\u00eang.<\/em><\/strong><\/span><\/h3>\n

T\u1ea5t c\u1ea3 l\u00e0 nh\u1eefng\u00a0lo\u1ea1i m\u00e1y \u0111o \u0111\u1ea1c chuy\u00ean d\u1ee5ng c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao\u00a0\u0111\u1ec3 ph\u1ee5c v\u1ee5 cho c\u00f4ng t\u00e1c\u00a0quan tr\u1eafc l\u00fan c\u00f4ng tr\u00ecnh v\u00e0 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh s\u1eb5n c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh\u00a0\u1ee9ng d\u1ee5ng \u0111o \u0111\u1ea1c.<\/p>\n

B\u01b0\u1edbc 6: T\u00ednh to\u00e1n x\u1eed l\u00fd s\u1ed1 li\u1ec7u v\u00e0 ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 \u0111o<\/em><\/strong>.<\/span><\/h3>\n

Sau khi ti\u1ebfn h\u00e0nh\u00a0\u0111o \u0111\u1ed9 l\u00fan,\u00a0ng\u01b0\u1eddi th\u1ef1c hi\u1ec7n \u0111o s\u1ebd l\u01b0u gi\u1eef l\u1ea1i nh\u1eefng s\u1ed1 li\u1ec7u \u0111o th\u1ef1c t\u1ebf, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh nh\u1eadp s\u1ed1 li\u1ec7u, t\u00ednh to\u00e1n, ph\u00e2n t\u00edch k\u1ebft qu\u1ea3 \u0111o \u0111\u1ec3 \u0111\u01b0a ra nh\u1eefng c\u1ea3nh b\u00e1o, d\u1ef1 b\u00e1o, ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng \u2026h\u1ee3p l\u00fd nh\u1ea5t \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0111\u01b0\u1ee3c nh\u1eefng\u00a0r\u1ee7i ro do l\u00fan\u00a0g\u00e2y ra.<\/p>\n

C\u00f4ng tr\u00ecnh\u00a0n\u00e0o c\u1ea7n th\u01b0\u0323c hi\u00ea\u0323n quan tr\u1eafc l\u00fan?<\/strong><\/span><\/h2>\n

C\u00e1c c\u00f4ng tr\u00ecnh \u0111ang x\u00e2y d\u1ef1ng\u00a0th\u00ec g\u1eb7p s\u1ef1 c\u1ed1 nh\u01b0: \u00a0m\u1ea5t an to\u00e0n, \u0111\u1ed9 ch\u1ecbu l\u1ef1c c\u1ee7a\u00a0k\u1ebft c\u1ea5u n\u1ec1n m\u00f3ng c\u00f4ng tr\u00ecnh\u00a0g\u1eb7p s\u1ef1 c\u1ed1 c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y nguy hi\u1ec3m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 an to\u00e0n c\u1ee7a\u00a0c\u00f4ng tr\u00ecnh\u00a0v\u00e0 con ng\u01b0\u1eddi.\u00a0C\u00e1c c\u00f4ng tr\u00ecnh l\u1edbn\u00a0c\u00f3 di\u1ec7n t\u00edch t\u1eeb 300m2 tr\u1edf l\u00ean, c\u00f3 kh\u1ea3 n\u0103ng t\u1ee5 t\u1eadp \u0111\u00f4ng ng\u01b0\u1eddi t\u1eeb c\u1ea5p III nh\u01b0: r\u1ea1p chi\u1ebfu phim, nh\u00e0 h\u00e1t, trung t\u00e2m th\u01b0\u01a1ng m\u1ea1i, nh\u00e0 thi \u0111\u1ea5u\u2026<\/p>\n

Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi c\u00e1c\u00a0c\u00f4ng tr\u00ecnh \u0111ang x\u00e2y d\u1ef1ng\u00a0nh\u01b0 chung c\u01b0,\u00a0c\u0103n h\u1ed9,\u00a0khu d\u00e2n c\u01b0,\u2026 khi ph\u00e1t hi\u1ec7n th\u1ea5y\u00a0v\u1ebft n\u1ee9t,\u00a0c\u00f4ng tr\u00ecnh nghi\u00eang\u00a0b\u1ea5t th\u01b0\u1eddng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n\u00a0c\u00f4ng t\u00e1c x\u00e1c \u0111\u1ecbnh\u00a0nguy\u00ean nh\u00e2n g\u00e2y l\u00fan\u00a0ch\u00ednh x\u00e1c v\u00e0 ti\u1ebfn h\u00e0nh ngay quan tr\u1eafc l\u00fan,\u00a0th\u00ed nghi\u1ec7m v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng\u00a0ngay \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, nh\u1eb1m tr\u00e1nh t\u00ecnh tr\u1ea1ng m\u1ea5t an to\u00e0n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c\u00a0c\u00f4ng tr\u00ecnh xung quanh\u00a0v\u00e0 t\u00ednh m\u1ea1ng c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n

Y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c trong quan tr\u1eafc l\u00fan c\u00f4ng tr\u00ecnh<\/h2>\n
\n

1. Giai \u0111o\u1ea1n thi c\u00f4ng<\/b><\/p>\n

T\u00f9y thu\u1ed9c v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1eebng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 lo\u1ea1i n\u1ec1n m\u00f3ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u01b0\u1edbi c\u00f4ng tr\u00ecnh m\u00e0 y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c khi \u0111o l\u00fan c\u00f4ng tr\u00ecnh quy \u0111\u1ecbnh nh\u01b0 sau:<\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n
Lo\u1ea1i c\u00f4ng tr\u00ecnh v\u00e0 n\u1ec1n m\u00f3ng<\/td>\n\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/div>\n
quan tr\u1eafc (mm)<\/div>\n<\/td>\n<\/tr>\n
C\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n \u0111\u00e1 g\u1ed1c v\u00e0 n\u1eeda \u0111\u00e1 g\u1ed1c<\/td>\n\u00b1 1.0<\/td>\n<\/tr>\n
C\u00f4ng tr\u00ecnh tr\u00ean n\u1ec1n s\u00e9t, c\u00e1t, n\u1ec1n ch\u1ecbu l\u1ef1c kh\u00e1c<\/td>\n\u00b1 3.0<\/td>\n<\/tr>\n
C\u00e1c lo\u1ea1i \u0111\u1eadp \u0111\u1ea5t, \u0111\u00e1 ch\u1ecbu \u00e1p l\u1ef1c cao<\/td>\n\u00b1 5.0<\/td>\n<\/tr>\n
C\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n tr\u01b0\u1ee3t<\/td>\n\u00b1 10.0<\/td>\n<\/tr>\n
C\u00e1c lo\u1ea1i c\u00f4ng tr\u00ecnh b\u1eb1ng \u0111\u1ea5t \u0111\u1eafp<\/td>\n\u00b1 15.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. Giai \u0111o\u1ea1n v\u1eadn h\u00e0nh<\/b><\/p>\n

D\u1ef1a v\u00e0o m\u1ee9c \u0111\u1ed9 chuy\u1ec3n d\u1ecbch c\u1ee7a c\u00f4ng tr\u00ecnh m\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec1 ra \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c khi quan tr\u1eafc l\u00fan.<\/p>\n

Chu k\u1ef3 quan tr\u1eafc l\u00fan<\/b><\/h3>\n

–\u00a0Quan tr\u1eafc chuy\u1ec3n d\u1ecbch bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh<\/b>\u00a0l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nhi\u1ec1u l\u1ea7n tr\u00ean m\u1ed9t c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, m\u1ed7i l\u1ea7n \u0111o \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u1ed9t chu k\u1ef3 quan tr\u1eafc. Th\u1eddi gian th\u1ef1c hi\u1ec7n chu k\u1ef3 quan tr\u1eafc s\u1ebd t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng lo\u1ea1i c\u00f4ng tr\u00ecnh kh\u00e1c nhau, t\u1eebng lo\u1ea1i n\u1ec1n m\u00f3ng v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m m\u1ee9c \u0111\u1ed9 chuy\u1ec3n d\u1ecbch tr\u00ean c\u00f4ng tr\u00ecnh v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh.<\/p>\n

– C\u00e1c chu k\u1ef3 quan tr\u1eafc chuy\u1ec3n d\u1ecbch \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh 3 giai \u0111o\u1ea1n l\u00e0: Giai \u0111o\u1ea1n thi c\u00f4ng, giai \u0111o\u1ea1n ho\u00e0n thi\u1ec7n \u0111\u1ea7u v\u1eadn h\u00e0nh v\u00e0 giai \u0111o\u1ea1n v\u1eadn h\u00e0nh.<\/p>\n

– Trong giai \u0111o\u1ea1n thi c\u00f4ng, chu k\u1ef3 quan tr\u1eafc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n ngay \u0111\u1ea7u th\u1eddi \u0111i\u1ec3m ho\u00e0n thi\u1ec7n xong ph\u1ea7n m\u00f3ng, khi \u0111\u00f3 c\u00f4ng tr\u00ecnh ch\u01b0a ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1ea3i tr\u1ecdng v\u00e0 \u00e1p l\u1ef1c ngang. C\u00e1c chu k\u1ef3 ti\u1ebfp theo \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u00f9y thu\u1ed9c v\u00e0o ti\u1ebfn \u0111\u1ed9 x\u00e2y d\u1ef1ng v\u00e0 t\u1ea3i tr\u1ecdng c\u00f4ng tr\u00ecnh, th\u00f4ng th\u01b0\u1eddng th\u00ec t\u1eeb t\u1eeb 2 \u0111\u1ebfn 4 th\u00e1ng th\u1ef1c hi\u1ec7n \u0111o 1 chu k\u1ef3.<\/p>\n

– Trong giai \u0111o\u1ea1n ho\u00e0n thi\u1ec7n, v\u1eadn h\u00e0nh, c\u00e1c chu k\u1ef3 \u0111\u01b0\u1ee3c \u1ea5n \u0111\u1ecbnh ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ed1c \u0111\u1ed9 chuy\u1ec3n d\u1ecbch v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m v\u1eadn h\u00e0nh c\u00f4ng tr\u00ecnh. Th\u1eddi gian \u0111o gi\u1eefa 2 chu k\u1ef3 c\u00f3 th\u1ec3 ch\u1ecdn t\u1eeb 6 th\u00e1ng \u0111\u1ebfn 1 n\u0103m, th\u1eddi gian gi\u1eefa 2 chu k\u1ef3 \u0111\u01b0\u1ee3c \u1ea5n \u0111\u1ecbnh th\u01b0a h\u01a1n khi c\u00f4ng tr\u00ecnh d\u1ea7n \u0111i v\u00e0o \u1ed5n \u0111\u1ecbnh.<\/p>\n

– Trong giai \u0111o\u1ea1n v\u1eadn h\u00e0nh khai th\u00e1c c\u00f4ng tr\u00ecnh th\u1eddi gian \u0111o gi\u1eefa 2 chu k\u1ef3 c\u00f3 th\u1ec3 t\u1eeb 6 th\u00e1ng \u0111\u1ebfn 1 n\u0103m ho\u1eb7c 2 n\u0103m. Khi c\u00f4ng tr\u00ecnh \u0111i v\u00e0o \u1ed5n \u0111\u1ecbnh v\u1edbi t\u1ed1c \u0111\u1ed9 chuy\u1ec3n d\u1ecbch kho\u1ea3ng 1-2 mm\/n\u0103m th\u00ec c\u00f3 th\u1ec3 ng\u1eebng quan tr\u1eafc. Tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9t bi\u1ebfn c\u00f3 s\u1ef1 c\u1ed1 b\u1ea5t th\u01b0\u1eddng th\u00ec ph\u1ea3i \u0111o quan tr\u1eafc. Tr\u01b0\u1eddng h\u1ee3p \u0111\u1ed9t bi\u1ebfn c\u00f3 s\u1ef1 c\u1ed1 b\u1ea5t th\u01b0\u1eddng th\u00ec ph\u1ea3i \u0111o quan tr\u1eafc b\u1ed5 sung.<\/p>\n

– C\u00e1c chu k\u1ef3 c\u1ea7n \u0111\u01b0\u1ee3c quan tr\u1eafc \u0111\u00fang th\u1eddi \u0111i\u1ec3m, sao cho c\u00f3 th\u1ec3 ph\u1ea3n \u00e1nh r\u00f5 n\u00e9t nh\u1ea5t quy lu\u1eadt chuy\u1ec3n d\u1ecbch, bi\u1ebfn d\u1ea1ng v\u00e0 theo quy tr\u00ecnh th\u1ed1ng nh\u1ea5t c\u00f4ng ngh\u1ec7, ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3.<\/p>\n<\/div>\n

\u0110\u1ec3 t\u00ecm hi\u1ec3u th\u00eam ki\u1ebfn th\u1ee9c v\u1ec1 l\u0129nh v\u1ef1c tr\u1eafc \u0111\u1ea1c \u2013 quan tr\u1eafc, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 h\u01b0\u1edbng d\u1eabn th\u00eam.<\/p>\n","protected":false},"excerpt":{"rendered":"

M\u1ed7i c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c x\u00e2y l\u00ean th\u00ec vi\u1ec7c quan tr\u1eafc l\u00fan l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft n\u00f3 gi\u00fap \u0111\u00e1nh gi\u00e1 v\u1ec1 m\u1ee9c \u0111\u1ed9 an to\u00e0n c\u1ee7a c\u00f4ng tr\u00ecnh. C\u00f9ng h\u1ed3 s\u01a1 x\u00e2y d\u1ef1ng t\u00ecm hi\u1ec3u chi ti\u1ebft \u0111\u1ecbnh ngh\u0129a c\u0169ng nh\u01b0 c\u00e1c th\u1ee9c quan tr\u1eafc l\u00fan th\u1ef1c hi\u1ec7n ra sao c\u1ee5 th\u1ec3 sau \u0111\u00e2y:…<\/p>\n","protected":false},"author":1,"featured_media":3815,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3810","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\/3810","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=3810"}],"version-history":[{"count":5,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/3810\/revisions"}],"predecessor-version":[{"id":3818,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/3810\/revisions\/3818"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/3815"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}