{"id":2870,"date":"2026-05-21T15:48:32","date_gmt":"2026-05-21T07:48:32","guid":{"rendered":"https:\/\/soilimprovementsz.com\/?p=2870"},"modified":"2026-05-21T15:48:33","modified_gmt":"2026-05-21T07:48:33","slug":"construction-technology-of-prefabricated-vertical-drain-pvd-with-surcharge-preloading","status":"publish","type":"post","link":"https:\/\/soilimprovementsz.com\/vi\/construction-technology-of-prefabricated-vertical-drain-pvd-with-surcharge-preloading\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 thi c\u00f4ng B\u1ea5c Th\u1ea5m \u0111\u1ee9ng (PVD) k\u1ebft h\u1ee3p Gia t\u1ea3i tr\u01b0\u1edbc"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<p>Trong x\u1eed l\u00fd n\u1ec1n \u0111\u1ea5t y\u1ebfu, c\u00f4ng ngh\u1ec7 b\u1ea5c th\u1ea5m \u0111\u1ee9ng (PVD) k\u1ebft h\u1ee3p gia t\u1ea3i tr\u01b0\u1edbc l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed nh\u1ea5t. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong gia c\u1ed1 n\u1ec1n m\u00f3ng cho \u0111\u01b0\u1eddng giao th\u00f4ng, nh\u00e0 x\u01b0\u1edfng, c\u1ea3ng v\u00e0 c\u00e1c d\u1ef1 \u00e1n kh\u00e1c v\u1edbi thao t\u00e1c \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd r\u00f5 r\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y tr\u00ecnh b\u00e0y c\u00e1c \u0111i\u1ec3m m\u1ea5u ch\u1ed1t c\u1ee7a c\u00f4ng ngh\u1ec7 b\u1eb1ng ng\u00f4n ng\u1eef d\u1ec5 hi\u1ec3u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I.<\/strong><strong>Nguy\u00ean l\u00fd c\u1ed1t l\u00f5i<\/strong><\/h2>\n\n\n\n<p>Nh\u1eefng khuy\u1ebft \u0111i\u1ec3m c\u01a1 b\u1ea3n c\u1ee7a n\u1ec1n \u0111\u1ea5t y\u1ebfu l\u00e0 h\u00e0m l\u01b0\u1ee3ng n\u01b0\u1edbc cao, k\u1ebft c\u1ea5u \u0111\u1ea5t m\u1ec1m v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c kh\u00f4ng \u0111\u1ee7, d\u1ec5 x\u1ea3y ra l\u00fan v\u00e0 bi\u1ebfn d\u1ea1ng sau khi x\u00e2y d\u1ef1ng tr\u1ef1c ti\u1ebfp. Quy tr\u00ecnh gia t\u1ea3i tr\u01b0\u1edbc b\u1eb1ng PVD s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p k\u1ebft h\u1ee3p \u201ctho\u00e1t n\u01b0\u1edbc + \u00e9p t\u1ea3i\u201d \u0111\u1ec3 nhanh ch\u00f3ng tho\u00e1t n\u01b0\u1edbc l\u1ed7 r\u1ed7ng trong \u0111\u1ea5t y\u1ebfu, n\u00e9n ch\u1eb7t c\u00e1c h\u1ea1t \u0111\u1ea5t, n\u00e2ng cao kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a n\u1ec1n m\u00f3ng v\u00e0 gi\u1ea3m l\u00fan sau x\u00e2y d\u1ef1ng.<\/p>\n\n\n\n<p>V\u00ed d\u1ee5: \u0110\u1ea5t y\u1ebfu t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t mi\u1ebfng b\u1ecdt bi\u1ec3n, b\u1ea5c th\u1ea5m nh\u1ef1a \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111\u01b0\u1eddng \u1ed1ng tho\u00e1t n\u01b0\u1edbc \u0111\u1ee9ng, v\u00e0 v\u1eadt li\u1ec7u gia t\u1ea3i cung c\u1ea5p \u00e1p l\u1ef1c b\u00ean ngo\u00e0i. Vi\u1ec7c \u00e9p n\u01b0\u1edbc b\u00ean trong mi\u1ebfng b\u1ecdt bi\u1ec3n s\u1ebd l\u00e0m cho n\u00f3 tr\u1edf n\u00ean \u0111\u1eb7c v\u00e0 ch\u1eafc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>II. <\/strong><strong> Quy tr\u00ecnh thi c\u00f4ng c\u1ed1t l\u00f5i<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1.  Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi thi c\u00f4ng<\/strong><\/h3>\n\n\n\n<p>D\u1ecdn d\u1eb9p m\u1eb7t b\u1eb1ng x\u00e2y d\u1ef1ng, lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u th\u1eeba tr\u00ean b\u1ec1 m\u1eb7t, san ph\u1eb3ng m\u1eb7t b\u1eb1ng v\u00e0 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc t\u1ea1m th\u1eddi \u0111\u1ec3 tr\u00e1nh \u0111\u1ecdng n\u01b0\u1edbc t\u1ea1i khu v\u1ef1c thi c\u00f4ng. \u0110\u1ed3ng th\u1eddi, ho\u00e0n th\u00e0nh ki\u1ec3m tra v\u00e0 ch\u1ea1y th\u1eed v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng v\u00e0 thi\u1ebft b\u1ecb m\u00e1y m\u00f3c. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng b\u1ea5c th\u1ea5m nh\u1ef1a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf v\u00e0 ti\u00eau chu\u1ea9n; ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh m\u00e1y c\u1eafm b\u1ea5c, v\u1eadt li\u1ec7u gia t\u1ea3i (\u0111\u00e1 d\u0103m, \u0111\u1ea5t \u0111\u1eafp, v.v.) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"\" fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"471\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-1024x471.jpg\" class=\"wp-image-2874\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-1024x471.jpg 1024w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-300x138.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-768x353.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-1536x707.jpg 1536w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-2048x942.jpg 2048w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u524d\u671f\u5de5\u7a0b-\u6e05\u7406\u573a\u5730-\u82f1\u6587-18x8.jpg 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2.  Thi c\u00f4ng l\u1edbp \u0111\u1ec7m c\u00e1t<\/strong><\/h3>\n\n\n\n<p>Tr\u1ea3i l\u1edbp \u0111\u1ec7m c\u00e1t d\u00e0y kho\u1ea3ng 50cm tr\u00ean b\u1ec1 m\u1eb7t n\u1ec1n \u0111\u00e3 san ph\u1eb3ng. L\u1edbp \u0111\u1ec7m c\u00e1t c\u00f3 t\u00e1c d\u1ee5ng ph\u00e2n t\u00e1n \u00e1p l\u1ef1c t\u1ea3i ph\u00eda tr\u00ean, thu gom n\u01b0\u1edbc th\u1ea5m v\u00e0 t\u1ea1o k\u00eanh tho\u00e1t n\u01b0\u1edbc ngang ph\u00f9 h\u1ee3p v\u1edbi b\u1ea5c th\u1ea5m \u0111\u1ee9ng. \u0110\u00e2y l\u00e0 l\u1edbp n\u1ec1n th\u1ea5m cho n\u1ec1n \u0111\u1ea5t y\u1ebfu, \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc l\u1ed7 r\u1ed7ng trong \u0111\u1ea5t \u0111\u01b0\u1ee3c thu\u1eadn l\u1ee3i.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1-1024x768.jpg\" class=\"wp-image-2875\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1-1024x768.jpg 1024w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1-1536x1152.jpg 1536w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1-16x12.jpg 16w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u94fa\u8bbe\u7802\u57ab\u5c42-1.jpg 1706w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3.  Thi c\u00f4ng b\u1ea5c th\u1ea5m \u0111\u1ee9ng PVD<\/strong><\/h3>\n\n\n\n<p>S\u1eed d\u1ee5ng m\u00e1y c\u1eafm b\u1ea5c chuy\u00ean d\u1ee5ng \u0111\u1ec3 c\u1eafm b\u1ea5c th\u1ea5m nh\u1ef1a \u0111\u1ee9ng v\u00e0o n\u1ec1n \u0111\u1ea5t y\u1ebfu. \u0110\u1ed9 s\u00e2u c\u1eafm ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, th\u01b0\u1eddng xuy\u00ean xuy\u00ean qua to\u00e0n b\u1ed9 l\u1edbp \u0111\u1ea5t y\u1ebfu v\u00e0 \u0111\u1ebfn t\u1ea7ng ch\u1ecbu l\u1ef1c ch\u1eb7t. Sau khi c\u1eafm, \u0111\u1ea7u b\u1ea5c th\u1ea5m ph\u1ea3i l\u1ed9 ra tr\u00ean l\u1edbp \u0111\u1ec7m c\u00e1t \u00edt nh\u1ea5t 20cm \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c tho\u00e1t n\u01b0\u1edbc. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng, ph\u1ea3i tr\u00e1nh xo\u1eafn, g\u1eadp v\u00e0 g\u00e3y b\u1ea5c th\u1ea5m.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"\" decoding=\"async\" width=\"1024\" height=\"471\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-1024x471.jpg\" class=\"wp-image-2876\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-1024x471.jpg 1024w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-300x138.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-768x353.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-1536x707.jpg 1536w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-2048x942.jpg 2048w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-18x8.jpg 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Gia t\u1ea3i tr\u01b0\u1edbc theo t\u1eebng l\u1edbp<\/strong><\/h3>\n\n\n\n<p>Sau khi ho\u00e0n th\u00e0nh c\u1eafm b\u1ea5c th\u1ea5m, ti\u1ebfn h\u00e0nh gia t\u1ea3i theo t\u1eebng l\u1edbp theo nguy\u00ean t\u1eafc \u201ct\u1ea3i nh\u1eb9 tr\u01b0\u1edbc, t\u1ea3i n\u1eb7ng sau v\u00e0 t\u1ea3i t\u1eebng b\u01b0\u1edbc\u201d. C\u1ea5m gia t\u1ea3i m\u1ed9t l\u1ea7n \u0111\u1ec3 tr\u00e1nh m\u1ea5t \u1ed5n \u0111\u1ecbnh n\u1ec1n v\u00e0 ph\u00e1 h\u1ee7y tr\u01b0\u1ee3t. Li\u00ean t\u1ee5c theo d\u00f5i l\u00fan n\u1ec1n v\u00e0 chuy\u1ec3n v\u1ecb ngang trong qu\u00e1 tr\u00ecnh gia t\u1ea3i. Ch\u1ec9 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh gia t\u1ea3i ti\u1ebfp theo khi s\u1ed1 li\u1ec7u l\u00fan v\u00e0 chuy\u1ec3n v\u1ecb c\u1ee7a t\u1ea3i hi\u1ec7n t\u1ea1i c\u00f3 xu h\u01b0\u1edbng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<p>Th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng gia t\u1ea3i tr\u01b0\u1edbc \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf, th\u01b0\u1eddng k\u00e9o d\u00e0i v\u00e0i th\u00e1ng. Khi l\u00fan n\u1ec1n \u0111\u1ea1t ch\u1ec9 s\u1ed1 ki\u1ec3m so\u00e1t thi\u1ebft k\u1ebf v\u00e0 \u0111\u1ea5t \u0111\u00e3 c\u1ed1 k\u1ebft xong, c\u00f3 th\u1ec3 th\u00e1o t\u1ea3i v\u00e0 ho\u00e0n th\u00e0nh c\u00f4ng t\u00e1c gia c\u1ed1 n\u1ec1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"589\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2-1024x589.jpg\" class=\"wp-image-2877\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2-1024x589.jpg 1024w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2-300x173.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2-768x442.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2-1536x883.jpg 1536w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2-18x10.jpg 18w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/05\/\u5206\u7ea7\u5806\u8f7d\u9884\u538b-2.jpg 1706w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>III.<\/strong><strong> L\u01b0u \u00fd quan tr\u1ecdng khi thi c\u00f4ng<\/strong><\/h2>\n\n\n\n<p>1. Ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u PVD. S\u1ea3n ph\u1ea9m b\u1ecb h\u01b0 h\u1ecfng, kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n v\u00e0 qu\u00e1 h\u1ea1n s\u1eed d\u1ee5ng b\u1ecb c\u1ea5m s\u1eed d\u1ee5ng. C\u00e1c t\u1ea5m tho\u00e1t n\u01b0\u1edbc c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef xa \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 \u00f4 nhi\u1ec5m \u0111\u1ec3 tr\u00e1nh qu\u00e1 tr\u00ecnh l\u00e3o h\u00f3a v\u00e0 h\u01b0 h\u1ecfng v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p>2. Ki\u1ec3m so\u00e1t \u0111\u1ed9 th\u1eb3ng \u0111\u1ee9ng c\u1ee7a vi\u1ec7c l\u1eafp \u0111\u1eb7t PVD m\u1ed9t c\u00e1ch nghi\u00eam ng\u1eb7t. Sai l\u1ec7ch d\u1ecdc qu\u00e1 m\u1ee9c s\u1ebd l\u00e0m t\u1eafc ngh\u1ebdn k\u00eanh tho\u00e1t n\u01b0\u1edbc v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7ng c\u1ed1 n\u1ec1n m\u00f3ng.<\/p>\n\n\n\n<p>3. Ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd t\u1ed1c \u0111\u1ed9 t\u1ea3i tr\u1ecdng ch\u1ed3ng ch\u1ea5t. T\u1ea3i tr\u1ecdng qu\u00e1 nhanh s\u1ebd g\u00e2y tr\u01b0\u1ee3t n\u1ec1n v\u00e0 m\u1ea5t \u1ed5n \u0111\u1ecbnh. Ng\u1eebng t\u1ea3i tr\u1ecdng ngay l\u1eadp t\u1ee9c khi ph\u00e1t hi\u1ec7n l\u00fan ho\u1eb7c d\u1ecbch chuy\u1ec3n b\u1ea5t th\u01b0\u1eddng.<\/p>\n\n\n\n<p>4. S\u1eafp x\u1ebfp nh\u00e2n vi\u00ean \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 gi\u00e1m s\u00e1t to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh trong qu\u00e1 tr\u00ecnh t\u1ea3i tr\u01b0\u1edbc. Vi\u1ec7c d\u1ee1 t\u1ea3i ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau khi t\u1ea5t c\u1ea3 d\u1eef li\u1ec7u gi\u00e1m s\u00e1t \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng gia c\u1ed1 n\u1ec1n m\u00f3ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u2163.<\/strong><strong> T\u00f3m t\u1eaft<\/strong><\/h2>\n\n\n\n<p>Logic x\u00e2y d\u1ef1ng c\u1ed1t l\u00f5i c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p t\u1ea3i tr\u01b0\u1edbc b\u1eb1ng PVD l\u00e0 \u201ctho\u00e1t n\u01b0\u1edbc theo c\u1ea5p \u0111\u1ed9 v\u00e0 n\u00e9n theo giai \u0111o\u1ea1n\u201d. V\u1edbi quy tr\u00ecnh c\u00f4ng ngh\u1ec7 \u0111\u01a1n gi\u1ea3n, thi c\u00f4ng thu\u1eadn ti\u1ec7n v\u00e0 chi ph\u00ed t\u1ed5ng th\u1ec3 th\u1ea5p, \u0111\u00e2y l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7<\/p>\n\n\n\n<p>Logic x\u00e2y d\u1ef1ng c\u1ed1t l\u00f5i c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p t\u1ea3i tr\u01b0\u1edbc b\u1eb1ng PVD l\u00e0 \u201ctho\u00e1t n\u01b0\u1edbc theo c\u1ea5p \u0111\u1ed9 v\u00e0 n\u00e9n theo giai \u0111o\u1ea1n\u201d. V\u1edbi quy tr\u00ecnh c\u00f4ng ngh\u1ec7 \u0111\u01a1n gi\u1ea3n, thi c\u00f4ng thu\u1eadn ti\u1ec7n v\u00e0 chi ph\u00ed t\u1ed5ng th\u1ec3 th\u1ea5p, \u0111\u00e2y l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 c\u00f3 hi\u1ec7u su\u1ea5t chi ph\u00ed cao \u0111\u1ec3 x\u1eed l\u00fd n\u1ec1n \u0111\u1ea5t y\u1ebfu. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c d\u1ef1 \u00e1n h\u1ea1 t\u1ea7ng v\u00e0 x\u00e2y d\u1ef1ng c\u00f4ng nghi\u1ec7p, c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft hi\u1ec7u qu\u1ea3 c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c kh\u00f4ng \u0111\u1ee7 v\u00e0 l\u00fan qu\u00e1 m\u1ee9c c\u1ee7a n\u1ec1n \u0111\u1ea5t y\u1ebfu.<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>In soft soil foundation treatment, prefabricated vertical drain (PVD) with surcharge preloading is one of the most commonly used and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2875,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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