{"id":2957,"date":"2026-08-27T17:49:43","date_gmt":"2026-08-27T09:49:43","guid":{"rendered":"https:\/\/soilimprovementsz.com\/?p=2957"},"modified":"2026-08-27T17:49:44","modified_gmt":"2026-08-27T09:49:44","slug":"design-basis-and-control-requirements-for-vacuum-preloading-in-soft%e2%80%91ground-improvement","status":"publish","type":"post","link":"https:\/\/soilimprovementsz.com\/vi\/design-basis-and-control-requirements-for-vacuum-preloading-in-soft%e2%80%91ground-improvement\/","title":{"rendered":"Nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t cho Ti\u1ec1n n\u00e9n ch\u00e2n kh\u00f4ng trong c\u1ea3i thi\u1ec7n \u0111\u1ea5t y\u1ebfu"},"content":{"rendered":"<p>Kh\u00f4ng c\u00f3 tham s\u1ed1 c\u1ed1 \u0111\u1ecbnh chung cho thi\u1ebft k\u1ebf d\u1ef1 \u00e1n ti\u1ec1n n\u00e9n ch\u00e2n kh\u00f4ng c\u1ee7a c\u1ea3i thi\u1ec7n \u0111\u1ea5t y\u1ebfu. Thi\u1ebft k\u1ebf s\u1ebd \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u01a1 s\u1edf c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng d\u1ef1 \u00e1n theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t c\u00f4ng tr\u00ecnh, b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf, c\u1ea5p \u0111\u1ed9 t\u1ea3i tr\u1ecdng, ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng. C\u00e1c tham s\u1ed1 thi c\u00f4ng v\u00e0 ti\u00eau ch\u00ed ki\u1ec3m so\u00e1t s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a d\u1ef1 \u00e1n, nh\u1eb1m \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u1ea3i thi\u1ec7n n\u1ec1n \u0111\u1ea5t, ch\u1ec9 ti\u00eau l\u00fan v\u00e0 an to\u00e0n d\u1ecbch v\u1ee5 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf v\u00e0 ti\u00eau chu\u1ea9n c\u1ee7a d\u1ef1 \u00e1n. C\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf chung \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh nh\u01b0 sau:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-1024x768.jpg\" alt=\"\" class=\"wp-image-2960\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-1024x768.jpg 1024w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-1536x1152.jpg 1536w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-16x12.jpg 16w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1.jpg 1702w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>1\u3001Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf san n\u1ec1n c\u00f4ng tr\u00ecnh<\/strong><\/p>\n\n\n\n<p>\uff081\uff09Tr\u01b0\u1edbc khi thi c\u00f4ng c\u1ea3i thi\u1ec7n \u0111\u1ea5t ch\u00ednh th\u1ee9c, th\u1ef1c hi\u1ec7n san n\u1ec1n t\u1ed5ng th\u1ec3 trong v\u00f9ng x\u1eed l\u00fd \u0111\u1ea5t y\u1ebfu. Lo\u1ea1i b\u1ecf l\u1edbp \u0111\u1ea5t m\u1eb7t kh\u00f4ng \u0111\u1ec1u v\u00e0 san l\u1ea1i \u0111\u1ecba h\u00ecnh \u0111\u1ec3 t\u1ea1o m\u1eb7t b\u1eb1ng l\u00e0m vi\u1ec7c g\u1ecdn g\u00e0ng, ph\u1eb3ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t \u1ed1ng tho\u00e1t kh\u00ed PVD, tr\u1ea3i m\u00e0ng ni\u00eam phong v\u00e0 th\u1ef1c hi\u1ec7n ti\u1ec1n n\u00e9n ch\u00e2n kh\u00f4ng.<\/p>\n\n\n\n<p>\uff082\uff09Kh\u00f4ng c\u00f3 ti\u00eau chu\u1ea9n c\u1ed1 \u0111\u1ecbnh n\u00e0o \u00e1p d\u1ee5ng cho san n\u1ec1n. Linh ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh theo c\u00e1c t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng tr\u01b0\u1eddng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u thi c\u00f4ng c\u1ee7a c\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1.jpg\" alt=\"\" class=\"wp-image-2961\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>2\u3001Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf c\u00f4ng ngh\u1ec7 c\u1ea3i thi\u1ec7n \u0111\u1ea5t<\/strong><\/p>\n\n\n\n<p>\uff081\uff09Ch\u1ecdn c\u00f4ng ngh\u1ec7 c\u1ea3i thi\u1ec7n \u0111\u1ea5t y\u1ebfu t\u1ed1i \u01b0u d\u1ef1a tr\u00ean xem x\u00e9t to\u00e0n di\u1ec7n \u0111\u1ecba ch\u1ea5t d\u1ef1 \u00e1n, ti\u00eau ch\u00ed ki\u1ec3m so\u00e1t l\u00fan v\u00e0 ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng. C\u00f4ng ngh\u1ec7 ph\u1ed5 bi\u1ebfn ch\u00ednh l\u00e0 tho\u00e1t kh\u00ed th\u1eb3ng \u0111\u1ee9ng ti\u1ec1n ch\u1ebf (PVD) k\u1ebft h\u1ee3p v\u1edbi n\u00e9n ch\u00e2n kh\u00f4ng \u0111\u1ec3 h\u1ee3p nh\u1ea5t \u0111\u1ea5t.<\/p>\n\n\n\n<p>\uff082\uff09Kh\u00f4ng quy \u0111\u1ecbnh gi\u00e1 tr\u1ecb c\u1ed1 \u0111\u1ecbnh cho c\u00e1c tham s\u1ed1 k\u1ef9 thu\u1eadt, ph\u1ea1m vi c\u1ea3i thi\u1ec7n v\u00e0 ti\u00eau ch\u00ed ki\u1ec3m so\u00e1t thi c\u00f4ng. Th\u1ef1c hi\u1ec7n t\u1ed1i \u01b0u h\u00f3a v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u1ee5c ti\u00eau d\u1ef1a tr\u00ean t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf d\u1ef1 \u00e1n, ph\u00e2n b\u1ed1 l\u1edbp \u0111\u1ea5t v\u00e0 t\u00ednh ch\u1ea5t \u0111\u1ea5t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ea3i thi\u1ec7n c\u1ee7a c\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1.jpg\" alt=\"\" class=\"wp-image-2962\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1-300x168.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1-768x431.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1-18x10.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>3\u3001<\/strong><strong>&nbsp;Th\u1eddi gian ti\u1ec1n n\u00e9n v\u00e0 y\u00eau c\u1ea7u x\u00e1c nh\u1eadn th\u00e1o t\u1ea3i<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Th\u1eddi gian h\u1ee3p nh\u1ea5t c\u1ee7a ti\u1ec1n n\u00e9n ch\u00e2n kh\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ri\u00eang d\u1ef1a tr\u00ean \u0111\u1ed9 d\u00e0y \u0111\u1ea5t y\u1ebfu, t\u00ednh ch\u1ea5t \u0111\u1ea5t, \u0111\u1ed9 kh\u00f3 h\u1ee3p nh\u1ea5t v\u00e0 ti\u1ebfn \u0111\u1ed9 t\u1ed5ng th\u1ec3 c\u1ee7a c\u00f4ng tr\u00ecnh, kh\u00f4ng c\u00f3 th\u1eddi gian c\u1ed1 \u0111\u1ecbnh chung.<\/p>\n\n\n\n<p>\uff082\uff09Sau khi c\u00f4ng tr\u01b0\u1eddng \u0111\u1ea1t m\u1ee9c ch\u00e2n kh\u00f4ng thi\u1ebft k\u1ebf, ti\u1ebfn h\u00e0nh n\u00e9n \u0111\u1ea7y t\u1ea3i. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n th\u00f4ng th\u01b0\u1eddng, th\u1eddi gian n\u00e9n \u0111\u1ea7y t\u1ea3i s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong 90 ng\u00e0y, c\u00f3 th\u1ec3 linh ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh theo y\u00eau c\u1ea7u h\u1ee3p nh\u1ea5t th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p>\uff083\uff09Tr\u01b0\u1edbc khi th\u00e1o t\u1ea3i, l\u1eadp \u0111\u1ea7y \u0111\u1ee7 d\u1eef li\u1ec7u gi\u00e1m s\u00e1t l\u00fan to\u00e0n tr\u00ecnh v\u00e0 h\u1ee3p nh\u1ea5t c\u00e1c t\u00e0i li\u1ec7u nghi\u1ec7m thu. C\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u00e1o t\u1ea3i ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau khi x\u00e1c nh\u1eadn v\u00e0 ph\u00ea duy\u1ec7t chung b\u1edfi ch\u1ee7 \u0111\u1ea7u t\u01b0, nh\u00e0 thi\u1ebft k\u1ebf, gi\u00e1m s\u00e1t v\u00e0 nh\u00e0 thi c\u00f4ng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1.jpg\" alt=\"\" class=\"wp-image-2963\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>4. Y\u00eau c\u1ea7u ti\u1ec1n x\u1eed l\u00fd v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 cao c\u00f4ng tr\u00ecnh<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Tr\u01b0\u1edbc khi thi c\u00f4ng, lo\u1ea1i b\u1ecf tri\u1ec7t \u0111\u1ec3 \u0111\u00e1 t\u1ea3ng, r\u1ec5 c\u00e2y, r\u00e1c th\u1ea3i v\u00e0 c\u00e1c l\u1edbp li\u00ean k\u1ebft y\u1ebfu trong \u0111\u1ea5t m\u1edbi \u0111\u1ed5 tr\u00ean c\u00f4ng tr\u01b0\u1eddng, nh\u1eb1m ng\u0103n ch\u1eb7n t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a l\u1edbp \u0111\u1ea5t m\u1eb7t k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t PVD v\u00e0 hi\u1ec7u su\u1ea5t h\u1ee3p nh\u1ea5t \u0111\u1ea5t n\u1ec1n.<\/p>\n\n\n\n<p>\uff082\uff09Sau khi d\u1ecdn d\u1eb9p r\u00e1c th\u1ea3i, san b\u1eb1ng m\u1eb7t b\u1eb1ng theo \u0111\u1ed9 cao thi\u1ebft k\u1ebf. Sai l\u1ec7ch \u0111\u1ed9 cao ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u thi\u1ebft k\u1ebf v\u00e0 ti\u00eau chu\u1ea9n c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p>\uff083\uff09\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n th\u00f4ng th\u01b0\u1eddng, \u0111\u1ed9 l\u1ec7ch \u0111\u1ed9 cao t\u1ed1i \u0111a l\u00e0 10cm. Y\u00eau c\u1ea7u ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 linh ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh theo ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf c\u1ee7a c\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1.jpg\" alt=\"\" class=\"wp-image-2964\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>5. Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf v\u00e0 ki\u1ec3m tra PVD<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, m\u1eabu m\u00e3 v\u00e0 s\u01a1 \u0111\u1ed3 b\u1ed1 tr\u00ed c\u1ee7a \u1ed1ng tho\u00e1t kh\u00ed th\u1eb3ng \u0111\u1ee9ng ti\u1ec1n ch\u1ebf ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n v\u1ebd d\u1ef1 \u00e1n \u0111\u1eb7c bi\u1ec7t. Th\u01b0\u1eddng s\u1eed d\u1ee5ng PVD\u2011B ho\u1eb7c PVD\u2011C, s\u1eafp x\u1ebfp theo m\u1eabu vu\u00f4ng ho\u1eb7c xen k\u1ebd (hoa m\u1eadn). Kho\u1ea3ng c\u00e1ch v\u00e0 \u0111\u1ed9 s\u00e2u xuy\u00ean th\u1ee7ng ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf v\u00e0 b\u1ea3n v\u1ebd chi ti\u1ebft, c\u00f3 th\u1ec3 t\u1ed1i \u01b0u theo \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t c\u00f4ng tr\u00ecnh.<\/p>\n\n\n\n<p>\uff082\uff09Ch\u1ea5t l\u01b0\u1ee3ng PVD ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a Ti\u00eau chu\u1ea9n Ki\u1ec3m tra Ch\u1ea5t l\u01b0\u1ee3ng cho \u1ed0ng tho\u00e1t kh\u00ed th\u1eb3ng \u0111\u1ee9ng ti\u1ec1n ch\u1ebf (JTS\/T 206\u20111\u20112023). C\u00e1c t\u00e0i li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 bao g\u1ed3m gi\u1ea5y ch\u1ee9ng nh\u1eadn c\u1ee7a nh\u00e0 m\u00e1y v\u00e0 b\u00e1o c\u00e1o t\u1ef1 ki\u1ec3m c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c cung c\u1ea5p khi giao h\u00e0ng v\u1eadt t\u01b0.<\/p>\n\n\n\n<p>\uff083\uff09V\u1eadt t\u01b0 giao h\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c l\u1ea5y m\u1eabu v\u00e0 ki\u1ec3m tra theo c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n. V\u1eadt t\u01b0 ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o thi c\u00f4ng sau khi qua ki\u1ec3m tra c\u1ee7a c\u00e1c t\u1ed5 ch\u1ee9c ki\u1ec3m \u0111\u1ecbnh \u0111\u1ed9c l\u1eadp c\u00f3 \u0111\u1ee7 n\u0103ng l\u1ef1c.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1.jpg\" alt=\"\" class=\"wp-image-2965\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1-300x169.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1-768x432.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1-18x10.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>6<\/strong><strong>\u3001<\/strong><strong>&nbsp;Y\u00eau c\u1ea7u thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc c\u1ee7a c\u00f4ng tr\u00ecnh<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09S\u1eafp x\u1ebfp h\u1ee3p l\u00fd c\u00e1c m\u01b0\u01a1ng tho\u00e1t n\u01b0\u1edbc m\u1edf xung quanh d\u1ef1a tr\u00ean \u0111\u1ecba h\u00ecnh c\u00f4ng tr\u00ecnh, \u0111i\u1ec1u ki\u1ec7n thu n\u01b0\u1edbc v\u00e0 k\u1ebf ho\u1ea1ch b\u1ed1 tr\u00ed thi c\u00f4ng.<\/p>\n\n\n\n<p>\uff082\uff09K\u00edch th\u01b0\u1edbc, \u0111\u01b0\u1eddng k\u00ednh v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a c\u00e1c m\u01b0\u01a1ng tho\u00e1t n\u01b0\u1edbc m\u1edf ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi quy m\u00f4 c\u00f4ng tr\u00ecnh. C\u00e1c \u0111i\u1ec3m tho\u00e1t n\u01b0\u1edbc ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00e1c khu v\u1ef1c th\u1ea5p c\u1ee7a c\u00f4ng tr\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc tr\u01a1n tru.<\/p>\n\n\n\n<p>\uff083\uff09C\u1ea3i thi\u1ec7n h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc m\u1eb7t \u0111\u1ec3 tr\u00e1nh ng\u1ea5m \u01b0\u1edbt \u0111\u1ea5t m\u1ec1m do \u0111\u1ecdng n\u01b0\u1edbc, g\u00e2y h\u01b0 h\u1ecfng c\u1ea5u tr\u00fac ni\u00eam phong ch\u00e2n kh\u00f4ng v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t n\u00e9n tr\u01b0\u1edbc. C\u00e1c ph\u01b0\u01a1ng \u00e1n tho\u00e1t n\u01b0\u1edbc c\u00f3 th\u1ec3 linh ho\u1ea1t t\u1ed1i \u01b0u h\u00f3a ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1.jpg\" alt=\"\" class=\"wp-image-2966\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>7<\/strong><strong>\u3001<\/strong><strong>&nbsp;Y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t m\u1ee9c \u0111\u1ed9 ch\u00e2n kh\u00f4ng v\u00e0 m\u1ee9c \u0111\u1ed9 n\u00e9n ch\u1eb7t<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng n\u00e9n ch\u00e2n kh\u00f4ng tr\u01b0\u1edbc, m\u1ee9c ch\u00e2n kh\u00f4ng d\u01b0\u1edbi m\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed5 \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n th\u00f4ng th\u01b0\u1eddng, m\u1ee9c ch\u00e2n kh\u00f4ng ph\u1ea3i duy tr\u00ec tr\u00ean 650\u202fmmHg (80\u202fkPa); c\u00e1c gi\u00e1 tr\u1ecb c\u1ee5 th\u1ec3 s\u1ebd theo ch\u1ec9 ti\u00eau thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p>\uff082\uff09Tr\u01b0\u1edbc khi th\u00e1o t\u1ea3i, m\u1ee9c \u0111\u1ed9 n\u00e9n ch\u1eb7t trung b\u00ecnh c\u1ee7a c\u00e1c l\u1edbp \u0111\u1ea5t trong ph\u1ea1m vi c\u1ea3i thi\u1ec7n PVD ph\u1ea3i \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, v\u01b0\u1ee3t qu\u00e1 90\u202f% \u0111\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n<p>\uff083\uff09Ch\u1ec9 ti\u00eau v\u1ec1 m\u1ee9c \u0111\u1ed9 ch\u00e2n kh\u00f4ng v\u00e0 m\u1ee9c \u0111\u1ed9 n\u00e9n ch\u1eb7t kh\u00f4ng c\u1ed1 \u0111\u1ecbnh, m\u00e0 s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh kh\u00e1c nhau d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n l\u00fan v\u00e0 y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1.jpg\" alt=\"\" class=\"wp-image-2967\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>Y\u00eau c\u1ea7u ki\u1ec3m so\u00e1t th\u00e1o b\u01a1m v\u00e0 th\u00e1o t\u1ea3i<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff082\uff09\u0110i\u1ec1u ki\u1ec7n th\u00e1o b\u01a1m v\u00e0 th\u00e1o t\u1ea3i cho qu\u00e1 tr\u00ecnh n\u00e9n ch\u00e2n kh\u00f4ng tr\u01b0\u1edbc ph\u1ea3i tu\u00e2n th\u1ee7 theo thi\u1ebft k\u1ebf d\u1ef1 \u00e1n \u0111\u1eb7c bi\u1ec7t. Vi\u1ec7c th\u00e1o t\u1ea3i ch\u1ec9 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n sau khi c\u00e1c ch\u1ec9 ti\u00eau v\u1ec1 m\u1ee9c \u0111\u1ed9 n\u00e9n ch\u1eb7t ho\u1eb7c \u1ed5n \u0111\u1ecbnh l\u00fan \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c b\u00ean tham gia.<\/p>\n\n\n\n<p>\uff082\uff09Ti\u00eau chu\u1ea9n \u1ed5n \u0111\u1ecbnh l\u00fan th\u00f4ng th\u01b0\u1eddng: khi t\u1ed1c \u0111\u1ed9 l\u00fan trung b\u00ecnh \u0111o \u0111\u01b0\u1ee3c \u2264 2 mm\/ng\u00e0y trong 7 ng\u00e0y li\u00ean ti\u1ebfp, c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c xem l\u00e0 \u1ed5n \u0111\u1ecbnh v\u1ec1 l\u00fan c\u01a1 b\u1ea3n; c\u00e1c ho\u1ea1t \u0111\u1ed9ng th\u00e1o b\u01a1m v\u00e0 th\u00e1o t\u1ea3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n k\u1ebft h\u1ee3p v\u1edbi k\u1ebft qu\u1ea3 v\u1ec1 m\u1ee9c \u0111\u1ed9 n\u00e9n ch\u1eb7t.<\/p>\n\n\n\n<p>\uff083\uff09Gi\u00e1 tr\u1ecb ng\u01b0\u1ee1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 l\u00fan c\u00f3 th\u1ec3 linh ho\u1ea1t \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean c\u1ea5p \u0111\u1ed9 thi\u1ebft k\u1ebf m\u00f3ng v\u00e0 y\u00eau c\u1ea7u gi\u1edbi h\u1ea1n l\u00fan c\u1ee7a c\u00e1c d\u1ef1 \u00e1n kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"599\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1.jpg\" alt=\"c\u1ea3i thi\u1ec7n n\u1ec1n \u0111\u1ea5t y\u1ebfu\" class=\"wp-image-2968\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1-768x575.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>Ngu\u1ed3n: <\/strong><strong>C\u00f4ng ty C\u1ed5 ph\u1ea7n K\u1ef9 thu\u1eadt N\u1ec1n m\u00f3ng Sunzo Qu\u1ea3ng Ch\u00e2u.<\/strong><\/p>\n\n\n\n<p>Theo d\u00f5i SUNZO \u0111\u1ec3 c\u1eadp nh\u1eadt li\u00ean t\u1ee5c ki\u1ebfn th\u1ee9c v\u1ec1 c\u1ea3i thi\u1ec7n \u0111\u1ea5t y\u1ebfu, k\u1ef9 thu\u1eadt thi c\u00f4ng, gi\u1ea3i th\u00edch c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0 c\u00e1c nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh v\u1ec1 k\u1ef9 thu\u1eadt!<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>There are no universal fixed parameters for vacuum preloading design of soft\u2011ground improvement. Design shall be formulated on a project\u2011specific [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2968,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"vacuum preloading,soft ground improvement,prefabricated vertical drain,PVD,soil consolidation,port engineering,and reclamation,geotechnical engineering,SUNZO,prefabricated vertical drain 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