{"id":804,"date":"2016-11-16T09:31:43","date_gmt":"2016-11-16T02:31:43","guid":{"rendered":"http:\/\/vxd.com.vn\/?p=804"},"modified":"2016-11-16T09:31:43","modified_gmt":"2016-11-16T02:31:43","slug":"cong-nghe-thi-cong-tong-toan-khoi","status":"publish","type":"post","link":"https:\/\/vxd.com.vn\/vi\/cong-nghe-thi-cong-tong-toan-khoi\/","title":{"rendered":"C\u1ed9ng Ngh\u1ec7 Thi C\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i"},"content":{"rendered":"

C\u1ed9ng ngh\u1ec7 thi c\u00f4ng\u00a0b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i nh\u00e0 nhi\u1ec1u t\u1ea7ng v\u00e0 cao t\u1ea7ng.<\/h2>\n

C\u00f4ng ngh\u1ec7 thi c\u00f4ng l\u1eafp \u0111\u1eb7t khu\u00f4n \u0111\u00fac (c\u1ed1p pha) c\u1ed9t, v\u00e1ch, d\u1ea7m v\u00e0 v\u00e0 s\u00e0n c\u00f9ng l\u00fac v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng to\u00e0n b\u1ed9 c\u00f9ng m\u1ed9t l\u1ea7n (c\u00f4ng ngh\u1ec7 \u0111\u00fac b\u00ea t\u00f4ng k\u1ebft c\u1ea5u m\u1ed9t l\u1ea7n hay c\u00f4ng ngh\u1ec7 thi c\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i m\u1ed9t \u0111\u1ee3t). Tr\u00ecnh t\u1ef1 thi c\u00f4ng g\u1ed3m: L\u1eafp bu\u1ed9c c\u1ed1t th\u00e9p c\u1ed9t, v\u00e1ch c\u1ee9ng –> \u0111\u1eb7t c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng ch\u00f4n s\u1eb5n trong c\u1ed9t v\u00e0 v\u00e1ch c\u1ee9ng –> d\u1ef1ng khu\u00f4n \u0111\u00fac c\u1ed9t, v\u00e1ch c\u1ee9ng, d\u1ea7m, s\u00e0n –> \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed9t, v\u00e1ch, d\u1ea7m v\u00e0 s\u00e0n –> b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng –> sau khi c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ea1t y\u00eau c\u1ea7u, th\u00e1o d\u1ee1 khu\u00f4n \u0111\u00fac c\u1ed9t, v\u00e1ch, d\u1ea7m, s\u00e0n.
Trong c\u00f4ng ngh\u1ec7 n\u00e0y, do tr\u00ean \u0111\u1ea7u c\u1ed9t (hay v\u00e1ch) c\u1ed1t th\u00e9p c\u1ee7a d\u1ea7m ch\u00ednh, d\u1ea7m ph\u1ee5 v\u00e0 s\u00e0n \u0111an d\u1ea7y \u0111\u1eb7c che l\u1ea5p, khi\u1ebfn vi\u1ec7c \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed9t kh\u00f4ng th\u1ec3 ti\u1ebfn h\u00e0nh theo ph\u01b0\u01a1ng ph\u00e1p r\u00fat \u1ed1ng \u0111\u01b0\u1ee3c, n\u00ean th\u01b0\u1eddng ph\u1ea3i \u0111\u1ec3 c\u1eeda \u0111\u1ed5 b\u00ea t\u00f4ng \u1edf l\u01b0ng ch\u1eebng chi\u1ec1u cao c\u1ed1p pha c\u1ed9t (hay t\u01b0\u1eddng) \u0111\u1ec3 gi\u1ea3m chi\u1ec1u cao r\u01a1i t\u1ef1 do c\u1ee7a v\u1eefa b\u00ea t\u00f4ng t\u01b0\u01a1i xu\u1ed1ng c\u00f2n 1,5-2,0 m < 2,5 m (tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng ph\u00e2n t\u1ea7ng). \u0110\u1ed5 b\u00ea t\u00f4ng gi\u00e1n ti\u1ebfp qua c\u1eeda \u0111\u1ed5 (ph\u1ea7n d\u01b0\u1edbi) v\u00e0 \u0111\u1ec9nh c\u1ed9t (ph\u1ea7n tr\u00ean), v\u1eefa b\u00ea t\u00f4ng t\u01b0\u01a1i \u0111\u01b0\u1ee3c ch\u1ee9a t\u1ea1m tr\u00ean s\u00e0n t\u1ea7ng d\u01b0\u1edbi hay c\u1ed1p pha s\u00e0n t\u1ea7ng \u0111ang thi c\u00f4ng. \u0110\u1ec3 cho v\u00e1n khu\u00f4n \u0111\u00e1y v\u00e0 th\u00e0nh d\u1ea7m \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi c\u1ed1p pha c\u1ed9t th\u00ec c\u1ea7n ph\u1ea3i \u0111\u1ec3 c\u1eeda \u0111\u00f3n d\u1ea7m tr\u00ean v\u00e1n khu\u00f4n c\u1ed9t \u1edf cao \u0111\u1ed9 t\u1eeb \u0111\u00e1y d\u1ea7m ch\u00ednh hay ph\u1ee5 l\u00ean t\u1edbi cao \u0111\u1ed9 \u0111\u00e1y v\u00e1n s\u00e0n (cao \u0111\u1ed9 \u0111\u1ec9nh c\u1ed1p pha c\u1ed9t, c\u1ed1p pha c\u1ed9t \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o cho \u0111\u1ebfn \u0111\u00e1y s\u00e0n). Vi\u1ec7c v\u0103ng ch\u1ed1ng \u0111\u1ecbnh v\u1ecb cho c\u1ed1p pha c\u1ed9t \u0111\u01b0\u1ee3c th\u1eb3ng \u0111\u1ee9ng, kh\u00f4ng th\u1ec3 t\u1ef3 xu\u1ed1ng s\u00e0n v\u00ec v\u01b0\u1edbng c\u1ed9t ch\u1ed1ng \u0111\u00e1y d\u1ea7m ch\u00ednh hay ph\u1ee5 v\u00e0 l\u00e0m m\u1ea5t kh\u00f4ng gian c\u00f4ng t\u00e1c, n\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c v\u0103ng xi\u00ean ng\u01b0\u1ee3c l\u00ean tr\u00ean c\u1ed1 \u0111\u1ecbnh v\u00e0o c\u1ed1p pha th\u00e0nh d\u1ea7m. Do c\u00f3 c\u1ed1p pha c\u1ed9t l\u00e0m g\u1ed1i \u0111\u1ee1 (c\u1ee7a \u0111\u00f3n d\u1ea7m) n\u00ean ta c\u00f3 th\u1ec3 ch\u1ed1n b\u1edbt \u0111\u01b0\u1ee3c hai c\u1ed9t ch\u1ed1ng \u0111\u1ee1 \u0111\u00e1y d\u1ea7m ch\u00ednh \u1edf hai \u0111\u1ea7u m\u1ed7i nh\u1ecbp d\u1ea7m.<\/p>\n

\"C\u1ed1p
C\u1ed1p pha c\u1ed9t, d\u1ea7m, s\u00e0n trong c\u00f4ng ngh\u1ec7 thi c\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i m\u1ed9t \u0111\u1ee3t.<\/figcaption><\/figure>\n

C\u00f4ng ngh\u1ec7 thi c\u00f4ng t\u00e1ch r\u1eddi c\u1ed9t v\u00e0 v\u00e1ch v\u1edbi d\u1ea7m v\u00e0 s\u00e0n (c\u00f4ng ngh\u1ec7 \u0111\u00fac b\u00ea t\u00f4ng k\u1ebft c\u1ea5u hai l\u1ea7n hay c\u00f4ng ngh\u1ec7 thi c\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i hai \u0111\u1ee3t). Tr\u00ecnh t\u1ef1 thi c\u00f4ng g\u1ed3m: L\u1eafp bu\u1ed9c c\u1ed1t th\u00e9p c\u1ed9t, v\u00e1ch –> d\u1ef1ng khu\u00f4n \u0111\u00fac c\u1ed9t, v\u00e1ch –> \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed9t v\u00e0 v\u00e1ch \u0111\u1ebfn d\u01b0\u1edbi \u0111\u00e1y d\u1ea7m 3-5 cm –> th\u00e1o d\u1ee1 khu\u00f4n \u0111\u00fac v\u00e1ch, c\u1ed9t (\u0111\u1ec3 l\u1ea1i v\u00e1n khu\u00f4n \u0111\u1ea7u c\u1ed9t ph\u00eda tr\u00ean \u0111\u00e1y d\u1ea7m) –> d\u1ef1ng \u0111\u00e0 ngang, gi\u00e1o ch\u1ed1ng \u0111\u1ee1 v\u00e1n khu\u00f4n d\u1ea7m –> l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n \u0111\u00e1y d\u1ea7m –> l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n th\u00e0nh d\u1ea7m –> l\u1eafp d\u1ef1ng c\u1ed1p pha (khu\u00f4n \u0111\u00fac) s\u00e0n –> l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p d\u1ea7m –> l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p s\u00e0n, ch\u00f4n s\u1eb5n c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng k\u1ef9 thu\u1eadt ch\u00ecm trong s\u00e0n –> \u0111\u1ed5 b\u00ea t\u00f4ng d\u1ea7m s\u00e0n –> b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng –> sau khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ec3 c\u00f3 th\u1ec3 th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n, th\u00ec th\u00e1o c\u1ed1p pha (khu\u00f4n \u0111\u00fac) d\u1ea7m v\u00e0 s\u00e0n (c\u00f3 th\u1ec3 th\u00e1o c\u1ed1p pha th\u00e0nh d\u1ea7m tr\u01b0\u1edbc khi th\u00e1o c\u1ed1p pha \u0111\u00e1y d\u1ea7m v\u00e0 c\u1ed1p pha s\u00e0n, hay c\u0169ng c\u00f3 th\u1ec3 th\u00e1o d\u1ee1 ch\u00fang \u0111\u1ed3ng th\u1eddi v\u1edbi nhau).<\/p>\n

\"Quy
Quy tr\u00ecnh l\u1eafp v\u00e0 th\u00e1o c\u1ed1p pha c\u1ed9t c\u00f4ng ngh\u1ec7 1 \u0111\u1ee3t tr\u00ean t\u1ea7ng thi c\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i<\/figcaption><\/figure>\n

C\u00f4ng ngh\u1ec7 n\u00e0y, c\u1ed1p pha c\u1ed9t \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o \u0111\u1ebfn cao \u0111\u1ed9 \u0111\u00e1y d\u1ea7m ch\u00ednh. C\u00f3 th\u1ec3 t\u00f9y ch\u1ecdn gi\u1eefa bi\u1ec7n ph\u00e1p \u0111\u1ed5 b\u00ea t\u00f4ng gi\u00e1n ti\u1ebfp (b\u00e1n th\u1ee7 c\u00f4ng) qua c\u1eeda \u0111\u1ed5 b\u00ea t\u00f4ng v\u1edbi bi\u1ec7n ph\u00e1p \u0111\u1ed5 b\u00ea t\u00f4ng tr\u1ef1c ti\u1ebfp b\u1eb1ng \u1ed1ng d\u1eabn theo ph\u01b0\u01a1ng ph\u00e1p r\u00fat \u1ed1ng (mi\u1ec7ng \u1ed1ng \u0111\u1eb7t tr\u00ean \u0111\u1ec9nh c\u1ed9t, kh\u00f4ng ph\u1ea3i l\u00e0m c\u1eeda \u0111\u1ed5). \u0110\u1ed5 theo ph\u01b0\u01a1ng ph\u00e1p r\u00fat \u1ed1ng c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 \u00edt t\u1ed1n nh\u00e2n l\u1ef1c, kh\u00f4ng ph\u1ea3i th\u00eam c\u00f4ng \u0111o\u1ea1n trung gian chuy\u1ec3n v\u1eefa th\u1ee7 c\u00f4ng t\u1eeb d\u01b0\u1edbi s\u00e0n b\u00ea t\u00f4ng l\u00ean mi\u1ec7ng c\u1ed9t, nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 n\u1ebfu d\u00f9ng c\u1ea7n tr\u1ee5c th\u00e1p \u0111\u1ec3 c\u1ea9u th\u00f9ng \u0111\u1ed5 b\u00ea t\u00f4ng c\u00f3 g\u1eafn \u1ed1ng d\u1eabn th\u00ec c\u1ea7n tr\u1ee5c b\u1ecb k\u00e9o d\u00e0i chu k\u1ef3 l\u00e0m vi\u1ec7c v\u00ec ph\u1ea3i gi\u1eef nguy\u00ean m\u1ed9t ch\u1ed7 tr\u00ean \u0111\u1ec9nh c\u1ed9t cho t\u1edbi khi \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed9t xong, v\u00e0 th\u1ee9 n\u1eefa l\u00e0 n\u1ebfu nh\u01b0 \u0111\u01b0\u1eddng k\u00ednh ti\u1ebft di\u1ec7n c\u1ed9t qu\u00e1 nh\u1ecf (< 300) th\u00ec c\u00f3 th\u1ec3 kh\u00f4ng lu\u1ed3n \u0111\u01b0\u1ee3c \u1ed1ng \u0111\u1ed5 xu\u1ed1ng t\u1eadn \u0111\u00e1y khu\u00f4n c\u1ed9t v\u00ec m\u1eafc c\u1ed1t th\u00e9p c\u1ed9t. \u0110\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed9t b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p r\u00fat \u1ed1ng th\u00ec \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng m\u1ec1m \u0111\u1ed5 b\u00ea t\u00f4ng D ph\u1ea3i \u0111\u01b0\u1ee3c ch\u1ecdn th\u1ecfa m\u00e3n \u0111i\u1ec1u ki\u1ec7n: D\u0111ai > D > 4dmax (v\u1edbi D\u0111ai l\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong c\u1ee7a c\u1ed1t \u0111ai, v\u00e0 dmax l\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u1ed1t li\u1ec7u l\u1edbn nh\u1ea5t).<\/p>\n

\"thi
Thi c\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i. Khu\u00f4n \u0111\u00fac b\u00ea t\u00f4ng c\u1ed9t, d\u1ea7m, s\u00e0n nh\u00e0 nhi\u1ec1u t\u1ea7ng thi c\u00f4ng theo c\u00f4ng ngh\u1ec7 m\u1ed9t \u0111\u1ee3t tr\u00ean m\u1ed9t t\u1ea7ng.<\/figcaption><\/figure>\n

C\u00f4ng ngh\u1ec7 thi c\u00f4ng l\u1ea7n l\u01b0\u1ee3t c\u1ed9t v\u00e0 v\u00e1ch, ti\u1ebfp theo \u0111\u1ebfn d\u1ea7m, cu\u1ed1i c\u00f9ng l\u00e0 s\u00e0n, ri\u00eang r\u1ebd nhau (c\u00f4ng ngh\u1ec7 thi c\u00f4ng b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i ba \u0111\u1ee3t). Tr\u00ecnh t\u1ef1 thi c\u00f4ng g\u1ed3m: L\u1eafp bu\u1ed9c c\u1ed1t th\u00e9p c\u1ed9t, v\u00e1ch –> L\u1eafp d\u1ef1ng khu\u00f4n \u0111\u00fac c\u1ed9t, v\u00e1ch –> \u0111\u1ed5 b\u00ea t\u00f4ng c\u1ed9t v\u00e0 v\u00e1ch \u0111\u1ebfn d\u01b0\u1edbi d\u1ea7m 3-5 cm –> th\u00e1o d\u1ee1 khu\u00f4n \u0111\u00fac v\u00e1ch, c\u1ed9t (\u0111\u1ec3 l\u1ea1i v\u00e1n khu\u00f4n \u0111\u1ea7u c\u1ed9t ph\u00eda tr\u00ean \u0111\u00e1y d\u1ea7m) –> d\u1ef1ng gi\u00e1 \u0111\u1ee1 v\u00e1n khu\u00f4n d\u1ea7m –> l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n \u0111\u00e1y d\u1ea7m –> l\u1eafp bu\u1ed9c c\u1ed1t th\u00e9p d\u1ea7m –> l\u1eafp d\u1ef1ng v\u00e1n khu\u00f4n th\u00e0nh d\u1ea7m v\u00e0 gia c\u1ed1 v\u0103ng ch\u1ed1ng xi\u00ean –> \u0111\u1ed5 b\u00ea t\u00f4ng d\u1ea7m \u0111\u1ebfn d\u01b0\u1edbi \u0111\u00e1y s\u00e0n 2-3 cm –> th\u00e1o d\u1ee1 v\u00e1n khu\u00f4n th\u00e0nh d\u1ea7m –> l\u1eafp d\u1ef1ng khu\u00f4n \u0111\u00fac s\u00e0n –> bu\u1ed9c c\u1ed1t th\u00e9p s\u00e0n, ch\u00f4n s\u1eb5n c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng k\u1ef9 thu\u1eadt ch\u00ecm trong s\u00e0n –> \u0111\u1ed5 b\u00ea t\u00f4ng s\u00e0n –> b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng –> sau khi \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ec3 c\u00f3 th\u1ec3 th\u00e1o d\u1ee1 khu\u00f4n \u0111\u00fac, th\u00ec th\u00e1o khu\u00f4n \u0111\u00fac d\u1ea7m v\u00e0 s\u00e0n.<\/p>\n

C\u00f4ng ngh\u1ec7 thi c\u00f4ng c\u1ed1p pha bay (thi c\u00f4ng \u0111\u00fac b\u00ea t\u00f4ng c\u1ed9t, v\u00e1ch, d\u1ea7m tr\u01b0\u1edbc (c\u00f3 th\u1ec3 b\u1eb1ng “c\u1ed1p pha tr\u01b0\u1ee3t”), thi c\u00f4ng b\u00ea t\u00f4ng s\u00e0n sau tr\u00ean h\u1ec7 c\u1ed1p pha bay t\u1ea5m l\u1edbn). Trong c\u00f4ng ngh\u1ec7 n\u00e0y, k\u1ebft c\u1ea5u d\u1ea7m b\u00ea t\u00f4ng c\u1ed1t th\u00e9p l\u1ea1i \u0111\u01b0\u1ee3c coi nh\u01b0 thu\u1ed9c lo\u1ea1i k\u1ebft c\u1ea5u \u0111\u1ee9ng, ph\u1ea7n khu\u00f4n \u0111\u00e1y d\u1ea7m th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o th\u00e0nh “khu\u00f4n tranh” gi\u1ed1ng nh\u01b0 khu\u00f4n l\u1ed7 c\u1eeda s\u1ed5 c\u1ee7a \u0111i xuy\u00ean qua k\u1ebft c\u1ea5u v\u00e1ch b\u00ea t\u00f4ng c\u1ed1t th\u00e9p (c\u1eeda thanh m\u00e1y trong l\u00f5i thang m\u00e1y b\u00ea t\u00f4ng c\u1ed1t th\u00e9p), n\u1eb1m k\u1eb9p gi\u1eefa 2 h\u1ec7 khu\u00f4n \u0111\u00fac th\u00e0nh l\u00e0 c\u1ed1p pha tr\u01b0\u1ee3t. Tr\u00ecnh t\u1ef1 thi c\u00f4ng, chia l\u00e0 2 \u0111\u1ee3t, g\u1ed3m:<\/p>\n

\u00a0 \u0110\u1ee3t 1, thi c\u00f4ng c\u00e1c k\u1ebft c\u1ea5u \u0111\u1ee9ng (c\u1ed9t, v\u00e1ch, d\u1ea7m) (c\u00f3 th\u1ec3) b\u1eb1ng c\u00f4ng ngh\u1ec7 c\u1ed1p pha tr\u01b0\u1ee3t (t\u1ea5m l\u1edbn di \u0111\u1ed9ng \u0111\u1ee9ng): V\u1ecb tr\u00ed li\u00ean k\u1ebft gi\u1eefa s\u00e0n v\u00e0o c\u00e1c k\u1ebft c\u1ea5u c\u1ed9t, v\u00e1ch, d\u1ea7m \u0111\u1ec1u ph\u1ea3i \u0111\u1ec3 ch\u1edd l\u1ea1i thi c\u00f4ng sau (b\u1eb1ng c\u00e1ch \u0111\u1eb7t x\u1ed1p t\u1ea1o h\u1ed1c ch\u1edd v\u00e0 \u0111\u1eb7t th\u00e9p ch\u1edd, ri\u00eang \u0111\u1ed1i v\u1edbi d\u1ea7m ch\u1ec9 \u0111\u1ed5 b\u00ea t\u00f4ng ph\u1ea7n n\u00e1ch d\u1ea7m tr\u1edf xu\u1ed1ng).<\/p>\n

\u00a0 \u0110\u1ee3t 2, thi c\u00f4ng s\u00e0n (k\u1ebft c\u1ea5u n\u1eb1m) b\u1eb1ng c\u00f4ng ngh\u1ec7 c\u1ed1p pha bay (t\u1ea5m l\u1edbn di \u0111\u1ed9ng ngang)<\/p>\n

Do c\u00e1c c\u00f4ng ngh\u1ec7 thi c\u00f4ng nh\u00e0 c\u00f3 c\u00e1ch chia \u0111\u1ee3t thi c\u00f4ng kh\u00e1c nhau, k\u00e8m theo \u0111\u00f3 l\u00e0 v\u1ecb tr\u00ed v\u00e0 s\u1ed1 l\u01b0\u1ee3ng m\u1ea1ch ng\u1eebng thi c\u00f4ng c\u0169ng kh\u00e1c nhau \u0111\u1ed1i v\u1edbi t\u1eebng ph\u01b0\u01a1ng ph\u00e1p. \u0110\u1ed3ng th\u1eddi, sau m\u1ed7i \u0111\u1ee3t thi c\u00f4ng trong t\u1ea5t c\u1ea3 c\u00e1c c\u00f4ng ngh\u1ec7 thi c\u00f4ng nh\u00e0 tr\u00ean, th\u00ec c\u00f4ng t\u00e1c cu\u1ed1i c\u00f9ng lu\u00f4n l\u00e0 th\u00e1o hay di chuy\u1ec3n h\u1ec7 th\u1ed1ng khu\u00f4n \u0111\u00fac c\u1ee7a c\u00e1c c\u1ea5u ki\u1ec7n ho\u1eb7c k\u1ebft c\u1ea5u b\u00ea t\u00f4ng \u0111\u00e3 thi c\u00f4ng xong. V\u00ec v\u1eady, c\u1ea7n ph\u1ea3i c\u00f3 c\u1ea5u t\u1ea1o c\u1ed1p pha ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 th\u00e1o d\u1ee1 hay di chuy\u1ec3n c\u1ed1p pha trong t\u1eebng lo\u1ea1i c\u00f4ng ngh\u1ec7 thi c\u00f4ng kh\u00e1c nhau tr\u00ean<\/p>","protected":false},"excerpt":{"rendered":"

C\u1ed9ng ngh\u1ec7 thi c\u00f4ng\u00a0b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i nh\u00e0 nhi\u1ec1u t\u1ea7ng v\u00e0 cao t\u1ea7ng. C\u00f4ng ngh\u1ec7 thi c\u00f4ng l\u1eafp \u0111\u1eb7t khu\u00f4n \u0111\u00fac (c\u1ed1p pha) c\u1ed9t, v\u00e1ch, d\u1ea7m v\u00e0 v\u00e0 s\u00e0n c\u00f9ng l\u00fac v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng to\u00e0n b\u1ed9 c\u00f9ng m\u1ed9t l\u1ea7n (c\u00f4ng ngh\u1ec7 \u0111\u00fac b\u00ea t\u00f4ng k\u1ebft c\u1ea5u m\u1ed9t l\u1ea7n hay c\u00f4ng ngh\u1ec7 thi c\u00f4ng b\u00ea […]\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[59],"tags":[222,221],"_links":{"self":[{"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/posts\/804"}],"collection":[{"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/comments?post=804"}],"version-history":[{"count":1,"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/posts\/804\/revisions"}],"predecessor-version":[{"id":805,"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/posts\/804\/revisions\/805"}],"wp:attachment":[{"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/media?parent=804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/categories?post=804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vxd.com.vn\/vi\/wp-json\/wp\/v2\/tags?post=804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}