{"id":65912,"date":"2026-06-23T08:00:40","date_gmt":"2026-06-22T23:00:40","guid":{"rendered":"https:\/\/norimen.net\/?p=65912"},"modified":"2026-06-20T20:00:58","modified_gmt":"2026-06-20T11:00:58","slug":"4-van-de-thuong-gap-khi-khoan-thoat-nuoc-va-cac-bien-phap-khac-phuc","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/water-drainage-drilling-4-troubles-countermeasures\/","title":{"rendered":"M\u1eb9o khoan tho\u00e1t n\u01b0\u1edbc | Gi\u1ea3i th\u00edch c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ea5t tr\u1ed3i l\u00ean c\u00f9ng m\u0169i khoan, hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t m\u0169i khoan v\u00e0 s\u1ee5t l\u1edf l\u1ed7 khoan"},"content":{"rendered":"<p>Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n<p>\u0110\u00e2y l\u00e0 Enta.<\/p>\n<p>T\u1ea1i c\u00f4ng tr\u01b0\u1eddng khoan thu gom v\u00e0 tho\u00e1t n\u01b0\u1edbc, ch\u1eafc ch\u1eafn s\u1ebd g\u1eb7p ph\u1ea3i m\u1ed9t trong b\u1ed1n tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00e2y.<\/p>\n<p><span style=\"font-size: 20px;\"><strong>\u2460 Vi\u1ec7c k\u00e9o \u1ed1ng c\u00f3 l\u1ed7 l\u00ean c\u00f9ng l\u00fac<\/strong><\/span><\/p>\n<p><span style=\"font-size: 20px;\"><strong>\u2461 Jamming<\/strong><\/span><\/p>\n<p><span style=\"font-size: 20px;\"><strong>\u2462 Do s\u1ea1t l\u1edf \u0111\u1ea5t n\u00ean kh\u00f4ng th\u1ec3 l\u1eafp \u1ed1ng gi\u1eef l\u1ed7 khoan<\/strong><\/span><\/p>\n<p><span style=\"font-size: 20px;\"><strong>\u2463 Con slime kh\u00f4ng quay v\u1ec1<\/strong>\u3002<\/span><\/p>\n<p>\u0110\u00f3 ch\u00ednh l\u00e0 ki\u1ec3u t\u00ecnh hu\u1ed1ng m\u00e0 khi \u1edf hi\u1ec7n tr\u01b0\u1eddng, ng\u01b0\u1eddi ta s\u1ebd th\u1ed1t l\u00ean: \u201c\u00c0, l\u1ea7n n\u00e0y l\u1ea1i l\u00e0 c\u00e1i n\u00e0y \u00e0 w\u201d.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-38586\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/03\/2019-03-06-09.35.01.jpg\" alt=\"Khoan tho\u00e1t n\u01b0\u1edbc\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/03\/2019-03-06-09.35.01.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2019\/03\/2019-03-06-09.35.01-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<hr \/>\n<p>L\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn nh\u1eefng v\u1ea5n \u0111\u1ec1 ch\u1eafc ch\u1eafn s\u1ebd g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00f4ng ngh\u1ec7 khoan tho\u00e1t n\u01b0\u1edbc<strong>4 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c<\/strong>D\u1ef1a tr\u00ean c\u00e1c h\u01b0\u1edbng d\u1eabn c\u1ee7a NEXCO v\u00e0 ti\u00eau chu\u1ea9n JIS, \u0111\u1ed3ng th\u1eddi k\u1ebft h\u1ee3p v\u1edbi kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y c\u00e1c bi\u1ec7n ph\u00e1p \u1ee9ng ph\u00f3.<\/p>\n<p>&nbsp;<\/p>\n<h2>K\u1ef9 thu\u1eadt khoan tho\u00e1t n\u01b0\u1edbc l\u00e0 g\u00ec? | Nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n c\u1ea7n n\u1eafm v\u1eefng<\/h2>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p khoan tho\u00e1t n\u01b0\u1edbc (khoan ngang) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p khoan m\u1ed9t l\u1ed7 nghi\u00eang nh\u1eb9 l\u00ean tr\u00ean so v\u1edbi m\u1eb7t ph\u1eb3ng ngang, sau \u0111\u00f3 l\u1eafp \u1ed1ng gi\u1eef l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c gia c\u00f4ng th\u00e0nh l\u01b0\u1edbi l\u1ecdc v\u00e0o \u0111\u00f3 \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc ng\u1ea7m.<\/strong>\u0110\u00f3 l\u00e0.<\/p>\n<p>C\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc ng\u1ea7m.<\/p>\n<p>M\u1ee5c \u0111\u00edch l\u00e0 gi\u1ea3m \u00e1p l\u1ef1c n\u01b0\u1edbc khe h\u1edf t\u00e1c \u0111\u1ed9ng l\u00ean m\u1eb7t tr\u01b0\u1ee3t v\u00e0 gi\u1ea3m t\u1ef7 l\u1ec7 \u0111\u1ed9 \u1ea9m c\u1ee7a kh\u1ed1i \u0111\u1ea5t tr\u01b0\u1ee3t (H\u01b0\u1edbng d\u1eabn Qu\u1ea3n l\u00fd Thi c\u00f4ng C\u00f4ng tr\u00ecnh NEXCO \/ H\u01b0\u1edbng d\u1eabn C\u00f4ng t\u00e1c B\u1ea3o v\u1ec7 S\u01b0\u1eddn d\u1ed1c trong C\u00f4ng tr\u00ecnh \u0110\u1ea5t \u0111\u01b0\u1eddng b\u1ed9).<\/p>\n<h3>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n (d\u1ef1a tr\u00ean h\u01b0\u1edbng d\u1eabn c\u1ee7a NEXCO)<\/h3>\n<table style=\"width: 47.1163%; height: 161px;\">\n<thead>\n<tr style=\"height: 23px;\">\n<th style=\"height: 23px; width: 30.6368%;\">M\u1ee5c<\/th>\n<th style=\"height: 23px; width: 78.3133%;\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ti\u00eau chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 30.6368%;\">\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 khoan<\/td>\n<td style=\"height: 23px; width: 78.3133%;\"><strong>\u03c690\u2013135 mm<\/strong>(Ti\u00eau chu\u1ea9n \u03c690)<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 30.6368%;\">Chi\u1ec1u d\u00e0i khoan<\/td>\n<td style=\"height: 23px; width: 78.3133%;\"><strong>D\u01b0\u1edbi 80m<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 30.6368%;\">G\u00f3c khoan<\/td>\n<td style=\"height: 23px; width: 78.3133%;\">Ngang <strong>Trong ph\u1ea1m vi \u00b110 \u0111\u1ed9<\/strong>(N\u00ean h\u01b0\u1edbng l\u00ean tr\u00ean m\u1ed9t ch\u00fat)<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 30.6368%;\">\u1ed0ng gi\u1eef l\u1ed7<\/td>\n<td style=\"height: 23px; width: 78.3133%;\"><strong>\u1ed0ng VP<\/strong>(JIS K6741, \u1ed1ng PVC) theo ti\u00eau chu\u1ea9n VP75<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 30.6368%;\">\u1ed0ng gi\u1eef l\u1ed7<\/td>\n<td style=\"height: 23px; width: 78.3133%;\"><strong>\u1ed0ng SGP<\/strong>(\u0110\u01b0\u1eddng \u1ed1ng d\u1eabn kh\u00ed) \u2013 Ch\u1ec9 \u00e1p d\u1ee5ng t\u1ea1i c\u00e1c khu v\u1ef1c c\u00f3 nguy c\u01a1 s\u1ea1t l\u1edf \u0111\u1ea5t<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 30.6368%;\">\u1ed0ng l\u1ecdc gi\u1eef l\u1ed7<\/td>\n<td style=\"height: 23px; width: 78.3133%;\">\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i 48,6 mm (\u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a 40) ho\u1eb7c 60,5 mm (\u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a 50)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u203bTheo \u201cH\u01b0\u1edbng d\u1eabn qu\u1ea3n l\u00fd thi c\u00f4ng c\u00f4ng tr\u00ecnh c\u1ee7a NEXCO\u201d v\u00e0 \u201cC\u00e1c bi\u1ec7n ph\u00e1p x\u1eed l\u00fd s\u01b0\u1eddn d\u1ed1c\u201d c\u1ee7a Vi\u1ec7n Nghi\u00ean c\u1ee9u T\u1ed5ng h\u1ee3p Qu\u1ed1c gia<\/p>\n<h2>S\u1ef1 c\u1ed1 \u2460 | Hi\u1ec7n t\u01b0\u1ee3ng \u1ed1ng c\u00f3 l\u1ed7 b\u1ecb tr\u1ed3i l\u00ean c\u00f9ng l\u00fac<\/h2>\n<p>T\u1ea1i nh\u1eefng n\u01a1i c\u00f3 l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u1edbn,<strong>Khi thu h\u1ed3i v\u1ecf ngo\u00e0i, \u1ed1ng c\u00f3 l\u1ed7 (\u1ed1ng gi\u1eef l\u1ed7) c\u0169ng b\u1ecb \u00e1p l\u1ef1c n\u01b0\u1edbc \u0111\u1ea9y ng\u01b0\u1ee3c tr\u1edf l\u1ea1i c\u00f9ng l\u00fac<\/strong>\u0110i\u1ec1u n\u00e0y x\u1ea3y ra kh\u00e1 th\u01b0\u1eddng xuy\u00ean. Trong qu\u00e1 tr\u00ecnh khoan tho\u00e1t n\u01b0\u1edbc, \u0111\u00e2y c\u00f3 th\u1ec3 coi l\u00e0 m\u1ee9c \u0111\u1ed9 \u201cs\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p\u201d.<\/p>\n<p>&nbsp;<\/p>\n<h3>C\u00e1c bi\u1ec7n ph\u00e1p ch\u1ed1ng tr\u01b0\u1ee3t chung\uff5cC\u1eafm ph\u1ea7n \u0111\u1ea7u d\u00e0i 1m xu\u1ed1ng \u0111\u1ec3 gi\u1eef b\u1eb1ng ma s\u00e1t<\/h3>\n<p>C\u00e1c bi\u1ec7n ph\u00e1p m\u00e0 t\u00f4i \u0111\u00e3 \u00e1p d\u1ee5ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng trong nhi\u1ec1u n\u0103m qua bao g\u1ed3m c\u00e1c b\u01b0\u1edbc sau \u0111\u00e2y (<strong>\u0110i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5 trong h\u01b0\u1edbng d\u1eabn c\u1ee7a NEXCO, m\u00e0 l\u00e0 kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng,<\/strong>\uff09<\/p>\n<ol>\n<li><strong>V\u1ecf ngo\u00e0i<\/strong>\u0111\u1ec3 \u0111\u1ea1t \u0111\u1ebfn chi\u1ec1u d\u00e0i l\u1ed7 khoan thi\u1ebft k\u1ebf<\/li>\n<li><strong>V\u1ecf trong<\/strong>v\u00e0 khoan l\u1ed7 \u0111\u01a1n <strong>Th\u00eam kho\u1ea3ng 1m<\/strong>l\u00e0m<\/li>\n<li>R\u00fat \u1ed1ng v\u1ecf trong ra, v\u00e0<strong>L\u1eafp \u1ed1ng VP (\u1ed1ng gi\u1eef l\u1ed7)<\/strong><\/li>\n<li>\u1ed0ng VP<strong>\u0110\u00e2m v\u00e0o ph\u1ea7n \u0111\u00e3 \u0111\u01b0\u1ee3c khoan l\u1ed7 \u0111\u01a1n \u1edf \u0111\u1ea7u<\/strong><\/li>\n<li>Ma s\u00e1t gi\u00fap s\u1ee3i t\u00f3c kh\u00f3 r\u1ee5ng h\u01a1n v\u00e0 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng t\u00f3c r\u1ee5ng \u0111\u1ed3ng lo\u1ea1t<\/li>\n<\/ol>\n<p>Do \u1ed1ng c\u00f3 l\u1ed7 s\u1ebd \u0111\u01b0\u1ee3c l\u1eafp s\u00e2u h\u01a1n kho\u1ea3ng 1m so v\u1edbi thi\u1ebft k\u1ebf, n\u00ean n\u1ebfu qu\u00fd v\u1ecb c\u1ea3m th\u1ea5y lo ng\u1ea1i th\u00ec<strong>\u0110\u1eb7t h\u00e0ng v\u1edbi s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec1u ngay t\u1eeb \u0111\u1ea7u<\/strong>L\u00e0m s\u1eb5n c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch.<\/p>\n<p>Tuy nhi\u00ean, n\u1ebfu c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed \u1ed1ng gi\u1eef l\u1ed7 \u1edf ph\u00eda l\u1ed1i v\u00e0o th\u00ec v\u1ec1 m\u1eb7t k\u1ebft c\u1ea5u s\u1ebd kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec (chi\u1ec1u d\u00e0i ch\u00e8n v\u00e0o), nh\u01b0ng n\u1ebfu c\u00f3 th\u1ec3 th\u00ec v\u1ecb tr\u00ed c\u1ee7a \u1ed1ng gi\u1eef l\u1ed7 v\u00e0 \u1ed1ng c\u00f3 l\u1ed7 n\u00ean n\u1eb1m ngang h\u00e0ng v\u1edbi nhau.<\/p>\n<h3>Nguy\u00ean nh\u00e2n khi\u1ebfn \u1ed1ng VP b\u1ecb n\u1ee9t | C\u00e1ch ph\u00e2n bi\u1ec7t v\u00e0 s\u1eed d\u1ee5ng v\u1edbi \u1ed1ng SGP<\/h3>\n<p>\u1ed0ng VP (JIS K6741) l\u00e0 \u1ed1ng PVC, n\u00ean,<strong>N\u1ebfu \u1ea5n qu\u00e1 m\u1ea1nh th\u00ec s\u1ebd v\u1ee1<\/strong>\u3002<\/p>\n<p>\u1ed0ng SGP (\u1ed1ng d\u1eabn kh\u00ed) l\u00e0 kim lo\u1ea1i n\u00ean c\u00f3 th\u1ec3 \u00e9p v\u00e0o \u0111\u01b0\u1ee3c m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng chi ph\u00ed s\u1ebd t\u0103ng v\u1ecdt.<\/p>\n<p>Theo h\u01b0\u1edbng d\u1eabn c\u1ee7a NEXCO th\u00ec \u201c<strong>C\u00e1c khu v\u1ef1c \u0111ang x\u1ea3y ra s\u1ea1t l\u1edf<\/strong>v\u00e0 quy \u0111\u1ecbnh r\u1eb1ng \u201ctrong tr\u01b0\u1eddng h\u1ee3p c\u00f3 nguy c\u01a1 \u1ed1ng gi\u1eef l\u1ed7 b\u1ecb h\u01b0 h\u1ecfng do l\u1ef1c c\u1eaft ho\u1eb7c xo\u1eafn sau khi l\u1eafp \u0111\u1eb7t th\u00ec ph\u1ea3i s\u1eed d\u1ee5ng \u1ed1ng SGP\u201d,<\/p>\n<p>Trong c\u00e1c c\u00f4ng tr\u00ecnh tho\u00e1t n\u01b0\u1edbc th\u00f4ng th\u01b0\u1eddng, \u1ed1ng VP l\u00e0 lo\u1ea1i ti\u00eau chu\u1ea9n.<\/p>\n<p><strong>\u0110\u1eebng v\u1ed9i nh\u1ed3i nh\u00e9t, m\u00e0 h\u00e3y \u0111\u1ec3 n\u00f3 tho\u00e1t ra b\u1eb1ng c\u00e1ch khoan th\u00eam l\u1ed7 \u0111\u01a1n nh\u01b0 \u0111\u00e3 n\u00eau \u1edf tr\u00ean<\/strong>Ho\u1eb7c c\u0169ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng chi\u1ebfn thu\u1eadt t\u0103ng ma s\u00e1t nh\u01b0 d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-54300\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/04\/2025-04-16-09.32.22.jpg\" alt=\"C\u00f4ng nh\u00e2n x\u1ea3 n\u01b0\u1edbc \u1ed1ng PVC\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/04\/2025-04-16-09.32.22.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2025\/04\/2025-04-16-09.32.22-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>T\u00f4i \u0111\u00e3 t\u1eebng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111i\u1ec1u n\u00e0y trong m\u1ed9t b\u00e0i blog tr\u01b0\u1edbc \u0111\u00e2y, \u0111\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u m\u1ec1m gi\u1ed1ng nh\u01b0 cao su x\u1ed1p c\u00f3 t\u00ean l\u00e0 Eptsealer, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc.<\/p>\n<p>Vi\u1ec7c cu\u1ed9n l\u1ea1i s\u1ebd t\u1ea1o ra ma s\u00e1t!<\/p>\n<p>Tuy nhi\u00ean, n\u1ebfu qu\u1ea5n qu\u00e1 ch\u1eb7t th\u00ec ma s\u00e1t khi \u0111\u01b0a v\u00e0o s\u1ebd t\u0103ng l\u00ean, khi\u1ebfn vi\u1ec7c n\u00e0y tr\u1edf n\u00ean r\u1ea5t kh\u00f3 kh\u0103n!<\/p>\n<p>C\u0169ng v\u1eeba ph\u1ea3i th\u00f4i. w<\/p>\n<p><a href=\"https:\/\/norimen.net\/vi\/phong-ngua-sap-gieng-khoan\/\" target=\"_blank\" rel=\"noopener\">M\u1eb9o ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng l\u00fan \u0111\u1ed3ng b\u1ed9 trong c\u00f4ng ngh\u1ec7 khoan tho\u00e1t n\u01b0\u1edbc<\/a><\/p>\n<h2>S\u1ef1 c\u1ed1 \u2461 | Jamming (t\u00ecnh tr\u1ea1ng k\u1eb9t thanh khoan)<\/h2>\n<h3>\u0110\u1ecbnh ngh\u0129a v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u s\u00f3ng<\/h3>\n<p>\u201cJamming\u201d l\u00e0 thu\u1eadt ng\u1eef ch\u1ec9 \u201ct\u00ecnh tr\u1ea1ng thanh v\u1ecf c\u1ee7a m\u00e1y khoan b\u1ecb k\u1eb9t b\u00ean trong l\u1ed7 khoan v\u00e0 kh\u00f4ng th\u1ec3 quay \u0111\u01b0\u1ee3c\u201d. Nguy\u00ean nh\u00e2n l\u00e0 do,<\/p>\n<ul>\n<li>S\u1ef1 s\u1ee5p \u0111\u1ed5 ho\u1eb7c b\u1ecb \u0111\u1ea9y ra kh\u1ecfi th\u00e0nh l\u1ed7<\/li>\n<li>S\u1ef1 cong v\u00eanh l\u1ed7<\/li>\n<li>Cung c\u1ea5p n\u01b0\u1edbc kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/li>\n<li>D\u01b0 l\u01b0\u1ee3ng slime<\/li>\n<\/ul>\n<p>c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn (\u201cT\u1eeb \u0111i\u1ec3n thu\u1eadt ng\u1eef c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng v\u00e0 x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng\u201d). N\u00f3i t\u00f3m l\u1ea1i,<strong>T\u00ecnh tr\u1ea1ng thanh khoan b\u1ecb k\u1eb9t d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t<\/strong>\u0110\u00f3 l\u00e0.<\/p>\n<h3>Bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c | Chuy\u1ec3n sang khoan trong n\u01b0\u1edbc b\u00f9n<\/h3>\n<p>C\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t l\u00e0 <strong>Chuy\u1ec3n sang khoan trong n\u01b0\u1edbc b\u00f9n<\/strong>\uff1a<\/p>\n<ul>\n<li><strong>Bentonit trong n\u01b0\u1edbc khoan<\/strong>tr\u1ed9n v\u00e0o (\u0111\u1ec3 \u1ed5n \u0111\u1ecbnh th\u00e0nh l\u1ed7)<\/li>\n<li>ho\u1eb7c<strong>C\u00e1c lo\u1ea1i s\u01a1n si\u00eau b\u1ec1n v\u00e0 c\u00e1c lo\u1ea1i s\u01a1n kh\u00e1c thu\u1ed9c h\u1ec7 polymer cao ph\u00e2n t\u1eed<\/strong>tr\u1ed9n v\u00e0o<\/li>\n<\/ul>\n<p>Theo kinh nghi\u1ec7m c\u1ee7a t\u00f4i,<strong>Ch\u1ec9 c\u1ea7n kho\u1ea3ng m\u1ed9t n\u1eeda l\u01b0\u1ee3ng s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng l\u00e0 \u0111\u1ee7<\/strong>\u3002<\/p>\n<p>\u0110\u00e2y l\u00e0<strong>Kh\u00f4ng ph\u1ea3i l\u00e0 gi\u00e1 tr\u1ecb khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e0 l\u00e0 kinh nghi\u1ec7m th\u1ef1c ti\u1ec5n<\/strong>V\u00ec v\u1eady, khi s\u1eed d\u1ee5ng l\u1ea7n \u0111\u1ea7u ti\u00ean, h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi li\u1ec1u l\u01b0\u1ee3ng ti\u00eau chu\u1ea9n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p>Khoan trong b\u00f9n l\u00e0<strong>S\u1ef1 tr\u1edf l\u1ea1i c\u1ee7a Slime c\u0169ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n<\/strong>Tuy nhi\u00ean, \u0111\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi ch\u01b0a c\u00f3 kinh nghi\u1ec7m thi c\u00f4ng ho\u1eb7c c\u00f4ng nh\u00e2n ch\u01b0a c\u00f3 tay ngh\u1ec1, vi\u1ec7c x\u1eed l\u00fd c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n, v\u00ec v\u1eady,<\/p>\n<p><strong>Chuy\u1ec3n \u0111\u1ed5i khi c\u00f3 ng\u01b0\u1eddi c\u00f3 kinh nghi\u1ec7m ch\u1ee9ng ki\u1ebfn<\/strong>C\u00f3 l\u1ebd nh\u01b0 v\u1eady s\u1ebd an to\u00e0n h\u01a1n.<\/p>\n<h3>V\u1ec7 sinh th\u00e0nh l\u1ed7 sau khi khoan xong<\/h3>\n<p>Sau khi khoan l\u1ed7 b\u1eb1ng n\u01b0\u1edbc b\u00f9n,<strong>Sau khi ho\u00e0n th\u00e0nh vi\u1ec7c khoan, r\u00fat \u1ed1ng v\u1ecf trong ra \u2192 v\u1eeba xoay \u1ed1ng v\u1ecf ngo\u00e0i v\u1eeba b\u01a1m n\u01b0\u1edbc \u0111\u1ec3 l\u00e0m s\u1ea1ch th\u00e0nh l\u1ed7 khoan<\/strong>S\u1ebd l\u00e0m.<\/p>\n<p>N\u1ebfu l\u01a1 l\u00e0 vi\u1ec7c n\u00e0y, n\u01b0\u1edbc b\u00f9n s\u1ebd l\u00e0m t\u1eafc ngh\u1ebdn b\u1ed9 l\u1ecdc.<strong>R\u1ee7i ro v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft<\/strong>C\u00f3 tr\u01b0\u1eddng h\u1ee3p n\u00e0y (m\u1eb7c d\u00f9 tr\u00ean th\u1ef1c t\u1ebf h\u1ea7u nh\u01b0 ch\u01b0a t\u1eebng g\u1eb7p ph\u1ea3i t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn, nh\u01b0ng \u0111\u1ec3 \u0111\u1ec1 ph\u00f2ng).<\/p>\n<h3>L\u1ef1a ch\u1ecdn n\u00e2ng c\u1ea5p m\u00e1y m\u00f3c l\u00ean m\u1ed9t c\u1ea5p \u0111\u1ed9 cao h\u01a1n<\/h3>\n<p>M\u1ed9t bi\u1ec7n ph\u00e1p kh\u00e1c l\u00e0<strong>N\u00e2ng c\u1ea5p m\u00e1y khoan l\u00ean d\u00f2ng cao c\u1ea5p h\u01a1n<\/strong>.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y l\u00e0 ch\u1eafc ch\u1eafn, nh\u01b0ng do \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, th\u01b0\u1eddng th\u00ec kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i m\u00e1y m\u00f3c, n\u00ean,<strong>Tr\u00ean th\u1ef1c t\u1ebf, khoan trong n\u01b0\u1edbc b\u00f9n l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u<\/strong>s\u1ebd l\u00e0.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-65913\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/06\/9b91dd9f407c324d2db15be2f3755bdf.jpg\" alt=\"C\u01a1 ch\u1ebf h\u00ecnh th\u00e0nh hi\u1ec7n t\u01b0\u1ee3ng nhi\u1ec5u v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p khoan trong \u0111i\u1ec1u ki\u1ec7n b\u00f9n n\u01b0\u1edbc | S\u1eed d\u1ee5ng bentonit v\u00e0 ch\u1ea5t ph\u1ee5 gia polymer\" width=\"600\" height=\"338\" \/><\/p>\n<p>\u203bKh\u00f4ng s\u1eed d\u1ee5ng m\u0169i khoan tricon \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc<\/p>\n<h2>S\u1ef1 c\u1ed1 \u2462 | Kh\u00f4ng th\u1ec3 l\u1eafp \u1ed1ng b\u1ea3o v\u1ec7 l\u1ed7 khoan do s\u1ea1t l\u1edf \u0111\u1ea5t<\/h2>\n<p>Tr\u00ean n\u1ec1n \u0111\u1ea5t y\u1ebfu, ngay t\u1eeb khi khoan xong, th\u00e0nh l\u1ed7 khoan \u0111\u00e3 s\u1ee5p \u0111\u1ed5<strong>Kh\u00f4ng th\u1ec3 \u0111\u1ea9y \u1ed1ng gi\u1eef l\u1ed7 v\u00e0o \u0111\u01b0\u1ee3c<\/strong>C\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady.<\/p>\n<p>&nbsp;<\/p>\n<p>N\u00f3i th\u1eb3ng ra, \u0111\u00e2y l\u00e0...<strong>Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3<\/strong>\u0110\u00fang v\u1eady. Nh\u1eefng g\u00ec ch\u00fang ta c\u00f3 th\u1ec3 l\u00e0m l\u00e0,<\/p>\n<ul>\n<li><strong>D\u00f9ng m\u00e1y \u0111\u1ec3 t\u1eeb t\u1eeb \u0111\u1ea9y th\u1eb3ng v\u00e0o<\/strong><\/li>\n<li>\u0110i\u1ec1u quan tr\u1ecdng nh\u1ea5t l\u00e0 ph\u1ea3i ti\u1ebfp t\u1ee5c \u0111\u1ea9y th\u1eb3ng v\u1ec1 ph\u00eda tr\u01b0\u1edbc<\/li>\n<li>Khi tr\u1ee5c b\u1ecb l\u1ec7ch, m\u00e1y s\u1ebd b\u1ecb k\u1eb9t ngay l\u1eadp t\u1ee9c<\/li>\n<\/ul>\n<p>\u0110\u00e2y l\u00e0 chuy\u1ec7n m\u00e0 \u0111\u1ebfn gi\u1edd t\u00f4i v\u1eabn th\u1ec9nh tho\u1ea3ng g\u1eb7p kh\u00f3 kh\u0103n, nh\u01b0ng,<strong>N\u1ebfu v\u1ed9i v\u00e0ng \u0111\u1ea9y nghi\u00eang, gi\u1ea5y s\u1ebd b\u1ecb k\u1eb9t th\u00eam<\/strong>V\u00ec v\u1eady, ch\u1ec9 c\u1ea7n c\u1ea9n th\u1eadn v\u00e0 \u0111i th\u1eb3ng l\u00e0 \u0111\u01b0\u1ee3c th\u00f4i w<\/p>\n<h2>S\u1ef1 c\u1ed1 \u2463 | Slime kh\u00f4ng quay tr\u1edf l\u1ea1i<\/h2>\n<p>T\u00ecnh tr\u1ea1ng ch\u1ea5t b\u00f9n (m\u1ea1t khoan) kh\u00f4ng ch\u1ea3y ng\u01b0\u1ee3c ra kh\u1ecfi l\u1ed7 khoan c\u0169ng th\u01b0\u1eddng xuy\u00ean x\u1ea3y ra.<\/p>\n<p>C\u00e1i n\u00e0y c\u0169ng v\u1eady<strong>Khi chuy\u1ec3n sang khoan trong n\u01b0\u1edbc b\u00f9n, l\u1ef1c n\u1ed5i s\u1ebd gi\u00fap ch\u1ea5t nh\u1ea7y d\u1ec5 tr\u1ed3i l\u00ean h\u01a1n<\/strong>V\u00ec v\u1eady, n\u00f3 c\u00f3 hi\u1ec7u l\u1ef1c.<\/p>\n<p>Tuy nhi\u00ean,<strong>Slime kh\u00f4ng quay l\u1ea1i \u2260 do thi c\u00f4ng k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng<\/strong>Xin h\u00e3y l\u01b0u \u00fd nh\u1eefng \u0111i\u1ec3m n\u00e0y.<\/p>\n<p>Trong c\u00f4ng ngh\u1ec7 khoan tho\u00e1t n\u01b0\u1edbc, do \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 khoan t\u1eeb \u03c690 tr\u1edf l\u00ean v\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u1ea3y qua r\u1ea5t l\u1edbn, n\u00ean,<strong>V\u1ec1 m\u1eb7t th\u1ef1c t\u1ebf, vi\u1ec7c kh\u00f4ng ph\u1ea3i x\u1eed l\u00fd slime s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n<\/strong>B\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u1ea1i kh\u00e1i nh\u01b0 v\u1eady.<br \/>\n\uff08<strong>C\u00e1c ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 thi c\u00f4ng kh\u00e1c v\u1edbi c\u00f4ng vi\u1ec7c l\u1eafp \u0111\u1eb7t bu-l\u00f4ng neo th\u00f4ng th\u01b0\u1eddng hay c\u00f4ng vi\u1ec7c c\u1eafm c\u1ed1t th\u00e9p<\/strong>(V\u00ec v\u1eady, h\u00e3y l\u01b0u \u00fd).<\/p>\n<h2>4. B\u1ea3ng tham kh\u1ea3o nhanh v\u1ec1 c\u00e1c bi\u1ec7n ph\u00e1p x\u1eed l\u00fd s\u1ef1 c\u1ed1<\/h2>\n<table style=\"width: 60.3035%;\">\n<thead>\n<tr>\n<th style=\"width: 19.263%;\">S\u1ef1 c\u1ed1<\/th>\n<th style=\"width: 34.1602%;\">C\u00e1c bi\u1ec7n ph\u00e1p \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u<\/th>\n<th style=\"width: 79.3476%;\">Th\u00f4ng tin b\u1ed5 sung<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 19.263%;\">\u2460 C\u00f9ng nhau th\u0103ng ti\u1ebfn<\/td>\n<td style=\"width: 34.1602%;\"><strong>Th\u00eam 1m khoan l\u1ed7 \u0111\u01a1n + \u0111\u00e2m xuy\u00ean \u1ed1ng VP<\/strong><\/td>\n<td style=\"width: 79.3476%;\">C\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng v\u1edbi chi\u1ec1u d\u00e0i d\u00e0i h\u01a1n 1m so v\u1edbi thi\u1ebft k\u1ebf \u00b7 S\u1eed d\u1ee5ng m\u00e1y h\u00e0n Eptsealer<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.263%;\">\u2461 Jamming<\/td>\n<td style=\"width: 34.1602%;\"><strong>Khoan b\u1eb1ng b\u00f9n (bentonit v\u00e0 polyme)<\/strong><\/td>\n<td style=\"width: 79.3476%;\">Vi\u1ec7c n\u00e2ng c\u1ea5p m\u00e1y m\u00f3c l\u00ean m\u1ed9t c\u1ea5p c\u0169ng r\u1ea5t hi\u1ec7u qu\u1ea3<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.263%;\">\u2462 S\u1ea1t l\u1edf \u0111\u1ea5t<\/td>\n<td style=\"width: 34.1602%;\"><strong>D\u00f9ng m\u00e1y \u0111\u1ec3 \u00e9p li\u00ean t\u1ee5c theo \u0111\u01b0\u1eddng th\u1eb3ng<\/strong><\/td>\n<td style=\"width: 79.3476%;\">Kh\u00f4ng c\u00f3 gi\u1ea3i ph\u00e1p tri\u1ec7t \u0111\u1ec3, \u0111\u1eebng v\u1ed9i v\u00e0ng<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.263%;\">\u2463 Slime kh\u00f4ng tr\u1edf v\u1ec1<\/td>\n<td style=\"width: 34.1602%;\"><strong>T\u0103ng l\u1ef1c n\u1ed5i nh\u1edd khoan trong n\u01b0\u1edbc b\u00f9n<\/strong><\/td>\n<td style=\"width: 79.3476%;\">Th\u1ef1c ra, d\u00f9 kh\u00f4ng quay v\u1ec1 th\u00ec c\u0169ng ch\u1eb3ng sao c\u1ea3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p>\u0110i\u1ec1u kh\u00f3 kh\u0103n nh\u1ea5t \u0111\u1ed1i v\u1edbi m\u1ed9t c\u00f4ng ty thi c\u00f4ng ch\u00ednh l\u00e0 t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn do hi\u1ec7n t\u01b0\u1ee3ng jamming, khi\u1ebfn vi\u1ec7c thu h\u1ed3i \u1ed1ng v\u1ecf kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c \u2013 \u0111i\u1ec1u n\u00e0y th\u1ef1c s\u1ef1 g\u00e2y \u0111au \u0111\u1ea7u!<\/p>\n<p>M\u1ed9t c\u00e1i gi\u00e1 50.000 \u0111\u00f3! 10 c\u00e1i l\u00e0 500.000. Trong th\u1ebf gi\u1edbi n\u00e0y, m\u1ed9t bit c\u0169ng \u0111\u00e3 40.000 r\u1ed3i...<\/p>\n<p>&nbsp;<\/p>\n<p>H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>\n<p>\u3010B\u00e0i vi\u1ebft li\u00ean quan\u3011<\/p>\n<ul>\n<li><a href=\"https:\/\/norimen.net\/vi\/water-drainage-drilling-horizontal\/\">C\u00f4ng nh\u00e2n khoan tho\u00e1t n\u01b0\u1edbc (khoan ngang)<\/a><\/li>\n<li><a href=\"https:\/\/norimen.net\/vi\/water-drainage-private-construction\/\">Hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00f4ng ngh\u1ec7 khoan tho\u00e1t n\u01b0\u1edbc (c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n)<\/a><\/li>\n<li><a href=\"https:\/\/norimen.net\/vi\/shallow-collapse-water-drainage\/\">Hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c tho\u00e1t n\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh s\u1ee5t l\u1edf l\u1edbp b\u1ec1 m\u1eb7t<\/a><\/li>\n<\/ul>\n<p>\u3010T\u00e0i li\u1ec7u tham kh\u1ea3o\u30fbNgu\u1ed3n\u3011<\/p>\n<ul>\n<li>NEXCO \u201cH\u01b0\u1edbng d\u1eabn qu\u1ea3n l\u00fd thi c\u00f4ng c\u00f4ng tr\u00ecnh\u201d (M\u1ee5c v\u1ec1 k\u1ef9 thu\u1eadt khoan tho\u00e1t n\u01b0\u1edbc)<\/li>\n<li>Vi\u1ec7n Nghi\u00ean c\u1ee9u T\u1ed5ng h\u1ee3p Qu\u1ed1c gia \u201cH\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1c bi\u1ec7n ph\u00e1p x\u1eed l\u00fd s\u01b0\u1eddn d\u1ed1c trong c\u00f4ng tr\u00ecnh \u0111\u01b0\u1eddng b\u1ed9\u201d<\/li>\n<li>Ti\u00eau chu\u1ea9n JIS K 6741 \u201c\u1ed0ng polyvinyl clorua c\u1ee9ng (\u1ed1ng VP)\u201d<\/li>\n<li>Hi\u1ec7p h\u1ed9i C\u00f4ng nghi\u1ec7p Tho\u00e1t n\u01b0\u1edbc Nh\u1eadt B\u1ea3n (T\u1ed5 ch\u1ee9c ph\u00e1p nh\u00e2n) \/ T\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u1ec1 \u1ed1ng gi\u1eef l\u1ed7 khoan thu n\u01b0\u1edbc<\/li>\n<li>\u201cT\u1eeb \u0111i\u1ec3n thu\u1eadt ng\u1eef c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng v\u00e0 x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng\u201d (\u0110\u1ecbnh ngh\u0129a v\u1ec1 \u201cjamming\u201d)<\/li>\n<li>Li\u00ean \u0111o\u00e0n Hi\u1ec7p h\u1ed9i Kh\u1ea3o s\u00e1t \u0110\u1ecba ch\u1ea5t To\u00e0n qu\u1ed1c \u201cC\u1ea9m nang h\u01b0\u1edbng d\u1eabn ho\u00e0n thi\u1ec7n gi\u1ebfng quan tr\u1eafc \u0111\u1ec3 kh\u1ea3o s\u00e1t n\u01b0\u1edbc ng\u1ea7m (d\u1ef1 th\u1ea3o)\u201d<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. T\u00f4i l\u00e0 Enta. T\u1ea1i c\u00f4ng tr\u01b0\u1eddng khoan thu gom v\u00e0 tho\u00e1t n\u01b0\u1edbc, ch\u1eafc ch\u1eafn s\u1ebd g\u1eb7p ph\u1ea3i m\u1ed9t trong b\u1ed1n t\u00ecnh hu\u1ed1ng sau \u0111\u00e2y: \u2460 \u1ed0ng c\u00f3 l\u1ed7 b\u1ecb k\u00e9o l\u00ean c\u00f9ng \u2461 Hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t \u1ed1ng \u2462 \u1ed0ng gi\u1eef l\u1ed7 kh\u00f4ng th\u1ec3 \u0111\u01b0a v\u00e0o do s\u1ea1t l\u1edf n\u1ec1n \u0111\u1ea5t \u2463 Ch\u1ea5t b\u00f9n kh\u00f4ng ch\u1ea3y tr\u1edf l\u1ea1i. \u0110\u00f3 ch\u00ednh l\u00e0 nh\u1eefng t\u00ecnh hu\u1ed1ng khi\u1ebfn ng\u01b0\u1eddi ta ph\u1ea3i th\u1ed1t l\u00ean t\u1ea1i c\u00f4ng tr\u01b0\u1eddng: \u201c\u00c0, l\u1ea7n n\u00e0y l\u1ea1i l\u00e0 c\u00e1i n\u00e0y r\u1ed3i nh\u1ec9 w\u201d\u2026<\/p>","protected":false},"author":2,"featured_media":38586,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[90],"tags":[91,806,814,5520],"class_list":["post-65912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-drain-boring","tag-91","tag-806","tag-814","tag-5520"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ 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