{"id":2790,"date":"2020-03-15T02:13:22","date_gmt":"2020-03-15T02:13:22","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=2790"},"modified":"2020-03-15T02:15:56","modified_gmt":"2020-03-15T02:15:56","slug":"quan-trac-bien-dang-cong-trinh-la-gi-va-cac-phuong-phap-quan-trac-pho-bien","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=2790","title":{"rendered":"Quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh l\u00e0 g\u00ec v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p quan tr\u1eafc ph\u1ed5 bi\u1ebfn ?"},"content":{"rendered":"

Quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh l\u00e0 c\u00f4ng t\u00e1c r\u1ea5t quan tr\u1ecdng v\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng n\u1ec1n m\u00f3ng so v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh v\u1eadn h\u00e0nh t\u1ed1i \u01b0u v\u00e0 an to\u00e0n nh\u1ea5t \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng l\u00e0m vi\u1ec7c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng theo th\u1eddi gian.<\/p>\n

1. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh<\/h3>\n

Quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c hi\u1ec7n sau:<\/p>\n

Quan tr\u1eafc l\u00fan<\/a><\/strong>
\nQuan tr\u1eafc ngang
\nQuan tr\u1eafc nghi\u00eang<\/p>\n

Vai tr\u00f2 c\u1ee7a c\u00f4ng t\u00e1c quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh<\/strong><\/p>\n

Quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh c\u00f3 vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng cho m\u1ed9t d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng sau khi ho\u00e0n t\u1ea5t thi c\u00f4ng v\u00e0 chu\u1ea9n b\u1ecb \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng – C\u00e1c s\u1ed1 li\u1ec7u quan tr\u1eafc v\u00e0 c\u00e1c bi\u1ec3u hi\u1ec7n b\u00ean ngo\u00e0i ch\u1ee9ng minh kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 b\u00ecnh th\u01b0\u1eddng c\u1ee7a c\u00e1c k\u1ebft c\u1ea5u tr\u00ean c\u00f4ng tr\u00ecnh l\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u00ean quy\u1ebft \u0111\u1ec3 Ch\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u01b0\u1ee3c c\u1ea5p gi\u1ea5y ch\u1ee9ng nh\u1eadn c\u00f4ng tr\u00ecnh \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea3m b\u1ea3o an to\u00e0n ch\u1ecbu l\u1ef1c.<\/p>\n

\u0110i\u1ec1u ki\u1ec7n n\u00e0y \u0111\u01b0\u1ee3c ghi r\u00f5 t\u1ea1i m\u1ee5c II.3 theo th\u00f4ng t\u01b0 16\/2008\/TT \u2013 BXD \u0111\u01b0\u1ee3c ban h\u00e0nh v\u00e0o ng\u00e0y 11\/00\/2008 c\u1ee7a B\u1ed9 x\u00e2y d\u1ef1ng v\u1ec1 h\u01b0\u1edbng d\u1eabn ki\u1ec3m tra, ch\u1ee9ng nh\u1eadn \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea3m b\u1ea3o an to\u00e0n ch\u1ecbu l\u1ef1c v\u00e0 ch\u1ee9ng nh\u1eadn s\u1ef1 ph\u00f9 h\u1ee3p v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n

Quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 n\u01b0\u1edbc v\u1ec1 vi\u1ec7c b\u1eafc bu\u1ed9c th\u1ef1c hi\u1ec7n c\u00f4ng t\u00e1c quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh<\/strong><\/p>\n

Theo ch\u1ec9 th\u1ecb s\u1ed1 07\/2007\/CT \u2013 BXD ng\u00e0y 05 th\u00e1ng 11 n\u0103m 2007 ch\u1ec9 th\u1ecb v\u1ec1 t\u0103ng c\u01b0\u1eddng c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd x\u00e2y d\u1ef1ng \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng nh\u00e0 cao t\u1ea7ng, B\u1ed9 x\u00e2y d\u1ef1ng y\u00eau c\u1ea7u c\u00e1c \u0111\u01a1n v\u1ecb li\u00ean quan nh\u01b0 sau:<\/p>\n

a) \u0110\u1ed1i v\u1edbi UBND c\u00e1c t\u1ec9nh, TP:<\/strong><\/p>\n

Ki\u1ec3m tra h\u1ec7 th\u1ed1ng\u00a0quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u1ee7a c\u00f4ng tr\u00ecnh<\/strong>\u00a0v\u00e0 c\u00f4ng tr\u00ecnh l\u00e2n c\u1eadn. Y\u00eau c\u1ea7u ch\u1ee7 \u0111\u1ea7u t\u01b0 v\u00e0 nh\u00e0 th\u1ea7u th\u1ef1c hi\u1ec7n nghi\u00eam t\u00fac y\u00eau c\u1ea7u n\u00e0y khi th\u1ea5y kh\u00f4ng th\u1ef1c hi\u1ec7n \u0111\u1ea7y \u0111\u1ee7.<\/p>\n

b) \u0110\u1ed1i v\u1edbi Ch\u1ee7 \u0110\u1ea7u t\u01b0 x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh:<\/strong><\/p>\n

Y\u00eau c\u1ea7u nh\u00e0 th\u1ea7u l\u1eadp h\u1ec7 th\u1ed1ng quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh v\u00e0 c\u00f4ng tr\u00ecnh l\u00e2n c\u1eadn trong qu\u00e1 tr\u00ecnh thi c\u00f4ng x\u00e2y d\u1ef1ng<\/p>\n

c) \u0110\u1ed1i v\u1edbi Nh\u00e0 th\u1ea7u tham gia ho\u1ea1t \u0111\u1ed9ng x\u00e2y d\u1ef1ng:<\/strong><\/p>\n

Nh\u00e0 th\u1ea7u thi c\u00f4ng x\u00e2y d\u1ef1ng l\u1eadp h\u1ec7 th\u1ed1ng quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh v\u00e0 c\u00f4ng tr\u00ecnh l\u00e2n c\u1eadn. Khi c\u00f3 d\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng ph\u1ea3i t\u1ea1m d\u1eebng thi c\u00f4ng v\u00e0 b\u00e1o cho ch\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u1ec3 t\u00ecm bi\u1ec7n ph\u00e1p x\u1eed l\u00fd, n\u1ebfu c\u1ed1 t\u00ecnh kh\u00f4ng th\u00f4ng b\u00e1o \u0111\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 th\u00ec ph\u1ea3i ho\u00e0n to\u00e0n ch\u1ecbu tr\u00e1ch nhi\u1ec7m.<\/p>\n

2.C\u00e1c ph\u01b0\u01a1ng ph\u00e1p quan tr\u1eafc l\u00fan ph\u1ed5 bi\u1ebfn<\/strong><\/em><\/h3>\n
\n
<\/div>\n<\/div>\n
\n
Khi \u0111o \u0111\u1ed9 l\u00fan c\u1ee7a nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p sau:<\/div>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o cao h\u00ecnh h\u1ecdc;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o cao l\u01b0\u1ee3ng gi\u00e1c;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o cao th\u1ee7y t\u0129nh;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p ch\u1ee5p \u1ea3nh.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p quan tr\u1eafc \u0111o \u0111\u1ed9 l\u00fan<\/strong>\u00a0c\u1ee7a nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111o cao h\u00ecnh h\u1ecdc. Quy tr\u00ecnh k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111o v\u00e0 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 l\u00fan theo ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c n\u00eau trong TCVN 9360:2012.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p quan tr\u1eafc l\u00fan \u0111o chuy\u1ec3n d\u1ecbch ngang c\u1ee7a c\u00f4ng tr\u00ecnh:<\/h4>\n

\u0110\u1ec3 \u0111o chuy\u1ec3n d\u1ecbch ngang nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ri\u00eang bi\u1ec7t m\u1ed9t trong c\u00e1c\u00a0ph\u01b0\u01a1ng ph\u00e1p\u00a0quan tr\u1eafc l\u00fan c\u00f4ng tr\u00ecnh<\/strong>\u00a0sau ho\u1eb7c s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p sau:<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p h\u01b0\u1edbng chu\u1ea9n;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o g\u00f3c \u2013 c\u1ea1nh.<\/p>\n

1.\u00a0<\/strong>\u0110o chuy\u1ec3n d\u1ecbch ngang theo ph\u01b0\u01a1ng ph\u00e1p h\u01b0\u1edbng chu\u1ea9n th\u1ef1c ch\u1ea5t l\u00e0 \u0111o kho\u1ea3ng c\u00e1ch t\u1eeb c\u00e1c \u0111i\u1ec3m ki\u1ec3m tra \u0111\u1ebfn m\u1eb7t ph\u1eb3ng th\u1eb3ng \u0111\u1ee9ng (h\u01b0\u1edbng chu\u1ea9n) t\u1ea1i c\u00e1c th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p \u0111o g\u00f3c nh\u1ecf ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p b\u1ea3ng ng\u1eafm di \u0111\u1ed9ng.<\/p>\n

2.\u00a0<\/strong>Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng th\u1ec3 th\u00e0nh l\u1eadp \u0111\u01b0\u1ee3c h\u01b0\u1edbng chu\u1ea9n \u0111\u1ec3 quan tr\u1eafc chuy\u1ec3n d\u1ecbch ngang c\u1ea7n s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p sau:<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p giao h\u1ed9i g\u00f3c, giao h\u1ed9i c\u1ea1nh ho\u1eb7c giao h\u1ed9i g\u00f3c \u2013 c\u1ea1nh;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p tam gi\u00e1c;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1eddng chuy\u1ec1n \u0111a gi\u00e1c.<\/p>\n

+\u00a0<\/strong>Sai s\u1ed1 gi\u1edbi h\u1ea1n cho ph\u00e9p khi \u0111o chuy\u1ec3n d\u1ecbch ngang \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh nh\u01b0 sau: \u00b1 1 mm \u0111\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n \u0111\u00e1 g\u1ed1c; \u00b1 3 mm \u0111\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n \u0111\u1ea5t c\u00e1t, \u0111\u1ea5t s\u00e9t v\u00e0 c\u00e1c lo\u1ea1i \u0111\u1ea5t \u0111\u00e1 ch\u1ecbu n\u00e9n kh\u00e1c; \u00b1 5 mm \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i \u0111\u1eadp \u0111\u1ea5t \u0111\u00e1 ch\u1ecbu \u00e1p l\u1ef1c cao; \u00b1 10 mm \u0111\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n \u0111\u1ea5t \u0111\u1eafp, \u0111\u1ea5t b\u00f9n ch\u1ecbu n\u00e9n k\u00e9m v\u00e0 \u00b1 15 mm \u0111\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh b\u1eb1ng \u0111\u1ea5t \u0111\u1eafp.<\/p>\n

– Y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c khi \u0111o chuy\u1ec3n d\u1ecbch ngang \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n ri\u00eang tr\u00ean c\u01a1 s\u01a1 thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng ngh\u1ec7 c\u1ee7a t\u1eebng c\u00f4ng tr\u00ecnh;<\/p>\n

– Trong tr\u01b0\u1eddng h\u1ee3p ch\u01b0a x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc \u0111\u01b0\u1ee3c h\u01b0\u1edbng chuy\u1ec3n d\u1ecbch c\u1ee7a c\u00f4ng tr\u00ecnh th\u00ec ph\u1ea3i quan tr\u1eafc theo hai h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u1edbi nhau.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p quan tr\u1eafc l\u00fan \u0111o \u0111\u1ed9 nghi\u00eang c\u00f4ng tr\u00ecnh:<\/h4>\n

1.\u00a0<\/strong>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft khi \u0111o \u0111\u1ed9 nghi\u00eang c\u00f4ng tr\u00ecnh ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i c\u00f4ng tr\u00ecnh, chi\u1ec1u cao, chi\u1ec1u d\u00e0i c\u1ee7a c\u00f4ng tr\u00ecnh. Sai s\u1ed1 cho ph\u00e9p \u0111o \u0111\u1ed9 nghi\u00eang c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 quy \u0111\u1ecbnh sau \u0111\u00e2y:<\/p>\n

– \u0110\u1ed1i v\u1edbi n\u1ec1n b\u1ec7 m\u00f3ng l\u1edbn, m\u00e1y li\u00ean h\u1ee3p: 0,000 01 x\u00a0L<\/em><\/p>\n

– \u0110\u1ed1i v\u1edbi t\u01b0\u1eddng c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng : 0,000 1 x\u00a0H<\/em>;<\/p>\n

– \u0110\u1ed1i v\u1edbi \u1ed1ng kh\u00f3i, th\u00e1p, c\u1ed9t cao:0,000 5 x\u00a0H<\/em>.<\/p>\n

trong \u0111\u00f3:<\/p>\n

L<\/em>\u00a0l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a n\u1ec1n b\u1ec7;<\/p>\n

H<\/em>\u00a0l\u00e0 chi\u1ec1u cao c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n

2.\u00a0<\/strong>T\u00f9y theo \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 c\u1ee7a khu v\u1ef1c, chi\u1ec1u cao c\u1ee7a c\u00f4ng tr\u00ecnh v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 nghi\u00eang sau \u0111\u00e2y:<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p t\u1ecda \u0111\u1ed9;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o g\u00f3c ngang;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o g\u00f3c nh\u1ecf;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p chi\u1ebfu \u0111\u1ee9ng;<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111o kho\u1ea3ng thi\u00ean \u0111\u1ec9nh nh\u1ecf.<\/p>\n

Quan tr\u1eafc l\u00fan \u0111o v\u1ebft n\u1ee9t c\u00f4ng tr\u00ecnh:<\/h4>\n

1.\u00a0<\/strong>Vi\u1ec7c \u0111o c\u00f3 h\u1ec7 th\u1ed1ng s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c v\u1ebft n\u1ee9t ngay t\u1eeb khi ch\u00fang xu\u1ea5t hi\u1ec7n tr\u00ean k\u1ebft c\u1ea5u nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh nh\u1eb1m \u0111\u00e1nh gi\u00e1 c\u00e1c \u0111\u1eb7c tr\u01b0ng v\u1ec1 bi\u1ebfn d\u1ea1ng v\u00e0 m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f4ng tr\u00ecnh.<\/p>\n

2.\u00a0<\/strong>Khi \u0111o v\u1ebft n\u1ee9t theo chi\u1ec1u d\u00e0i c\u1ea7n ti\u1ebfn h\u00e0nh theo c\u00e1c chu k\u1ef3 c\u1ed1 \u0111\u1ecbnh, \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed v\u00e0 ng\u00e0y quan tr\u1eafc.<\/p>\n

3.\u00a0<\/strong>Khi \u0111o v\u1ebft n\u1ee9t theo chi\u1ec1u r\u1ed9ng c\u1ea7n ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 ho\u1eb7c thi\u1ebft b\u1ecb chuy\u00ean d\u00f9ng, \u0111\u00e1nh d\u1ea5u v\u1ecb tr\u00ed v\u00e0\u00a0ng\u00e0y\u00a0quan tr\u1eafc l\u00fan c\u00f4ng tr\u00ecnh<\/strong>\u00a0c\u1ee7a c\u00e1c chu k\u1ef3.<\/p>\n

4.\u00a0<\/strong>Khi chi\u1ec1u r\u1ed9ng c\u1ee7a v\u1ebft n\u1ee9t l\u1edbn h\u01a1n 1 mm c\u1ea7n ph\u1ea3i \u0111o chi\u1ec1u s\u00e2u c\u1ee7a n\u00f3.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Quan tr\u1eafc bi\u1ebfn d\u1ea1ng c\u00f4ng tr\u00ecnh l\u00e0 c\u00f4ng t\u00e1c r\u1ea5t quan tr\u1ecdng v\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng n\u1ec1n m\u00f3ng so v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh v\u1eadn h\u00e0nh t\u1ed1i \u01b0u…<\/p>\n","protected":false},"author":1,"featured_media":2796,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2790","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\/2790","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=2790"}],"version-history":[{"count":4,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/2790\/revisions"}],"predecessor-version":[{"id":2795,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/2790\/revisions\/2795"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/2796"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}