{"id":30428,"date":"2026-02-16T06:30:49","date_gmt":"2026-02-15T23:30:49","guid":{"rendered":"https:\/\/coupler.vn\/?p=30428"},"modified":"2026-02-16T06:37:19","modified_gmt":"2026-02-15T23:37:19","slug":"coupler-noi-thep-coc-khoan-nhoi","status":"publish","type":"post","link":"https:\/\/coupler.vn\/vi\/coupler-noi-thep-coc-khoan-nhoi\/","title":{"rendered":"COUPLER N\u1ed0I TH\u00c9P C\u1eccC KHOAN NH\u1ed2I"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"30428\" class=\"elementor elementor-30428\">\n\t\t\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-3fa4f513 e-flex e-con-boxed e-con e-parent\" data-id=\"3fa4f513\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-7360d84b elementor-widget elementor-widget-text-editor\" data-id=\"7360d84b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\"><h4><span style=\"color: #0000ff;\">COUPLER N\u1ed0I TH\u00c9P C\u1eccC KHOAN NH\u1ed2I: GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT &amp; TI\u00caU CHU\u1ea8N M\u1edaI NH\u1ea4T<\/span><\/h4>\n<p>Trong thi c\u00f4ng n\u1ec1n m\u00f3ng s\u00e2u, c\u1ecdc khoan nh\u1ed3i \u0111\u00f3ng vai tr\u00f2 l\u00e0 &#8220;ch\u00e2n \u0111\u1ebf&#8221; ch\u1ecbu to\u00e0n b\u1ed9 t\u1ea3i tr\u1ecdng c\u1ee7a c\u00f4ng tr\u00ecnh. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i ch\u1ed3ng (lap splice) truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng g\u00e2y ra t\u00ecnh tr\u1ea1ng m\u1eadt \u0111\u1ed9 th\u00e9p qu\u00e1 d\u00e0y, d\u1eabn \u0111\u1ebfn ngh\u1ebdn b\u00ea t\u00f4ng v\u00e0 hao ph\u00ed h\u00e0ng t\u1ea5n th\u00e9p tr\u00ean m\u1ed7i l\u1ed3ng c\u1ecdc. <b data-path-to-node=\"4\" data-index-in-node=\"280\">Coupler n\u1ed1i th\u00e9p c\u1ecdc khoan nh\u1ed3i<\/b> ra \u0111\u1eddi nh\u01b0 m\u1ed9t cu\u1ed9c c\u00e1ch m\u1ea1ng, \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a k\u1ebft c\u1ea5u v\u00e0 t\u1ed1i \u01b0u h\u00f3a chi ph\u00ed thi c\u00f4ng.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-58a5040 e-flex e-con-boxed e-con e-parent\" data-id=\"58a5040\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-e8cb336 elementor-widget elementor-widget-text-editor\" data-id=\"e8cb336\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"6\"><span style=\"color: #0000ff;\">1. T\u1ea1i sao c\u1ecdc khoan nh\u1ed3i n\u00ean s\u1eed d\u1ee5ng m\u1ed1i n\u1ed1i Coupler?<\/span><\/h4>\n<p data-path-to-node=\"7\"><span data-path-to-node=\"7,1\"><span class=\"citation-38\">S\u1eed d\u1ee5ng m\u1ed1i n\u1ed1i c\u01a1 kh\u00ed (mechanical splice) thay cho n\u1ed1i ch\u1ed3ng mang l\u1ea1i 3 l\u1ee3i \u00edch c\u1ed1t y\u1ebfu cho nh\u00e0 th\u1ea7u<\/span><\/span><span data-path-to-node=\"7,3\">:<\/span><\/p>\n<p data-path-to-node=\"8,0,1\"><span data-path-to-node=\"8,0,1,0\"><b data-path-to-node=\"8,0,1,0\" data-index-in-node=\"0\"><span class=\"citation-37\">Gi\u1ea3i ph\u00f3ng m\u1eadt \u0111\u1ed9 c\u1ed1t th\u00e9p:<\/span><\/b><span class=\"citation-37\"> Gi\u00fap b\u00ea t\u00f4ng d\u1ec5 d\u00e0ng len l\u1ecfi v\u00e0 bao b\u1ecdc ho\u00e0n to\u00e0n thanh th\u00e9p, lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng r\u1ed7 t\u1ed5 ong th\u01b0\u1eddng g\u1eb7p \u1edf m\u0169i c\u1ecdc nh\u1ed3i<\/span><\/span><span data-path-to-node=\"8,0,1,2\">.<\/span><\/p>\n<p data-path-to-node=\"8,1,0\"><span data-path-to-node=\"8,1,0,0\"><b data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\">Ti\u1ebft ki\u1ec7m v\u1eadt t\u01b0 t\u1ed1i \u0111a:<\/b> Lo\u1ea1i b\u1ecf \u0111o\u1ea1n n\u1ed1i ch\u1ed3ng d\u00e0i 30d\u201345d. <\/span><span data-path-to-node=\"8,1,0,2\"><span class=\"citation-36\">V\u1edbi th\u00e9p \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (D25\u2013D40), vi\u1ec7c s\u1eed d\u1ee5ng coupler gi\u00fap gi\u1ea3m chi ph\u00ed th\u00e9p l\u00ean \u0111\u1ebfn h\u00e0ng tr\u0103m tri\u1ec7u \u0111\u1ed3ng cho m\u1ed9t d\u1ef1 \u00e1n trung b\u00ecnh<\/span><\/span><span data-path-to-node=\"8,1,0,4\">.<\/span><\/p>\n<p data-path-to-node=\"8,2,1\"><span data-path-to-node=\"8,2,1,0\"><b data-path-to-node=\"8,2,1,0\" data-index-in-node=\"0\"><span class=\"citation-35\">Truy\u1ec1n l\u1ef1c d\u1ecdc tr\u1ee5c tuy\u1ec7t \u0111\u1ed1i:<\/span><\/b><span class=\"citation-35\"> Kh\u00e1c v\u1edbi n\u1ed1i ch\u1ed3ng ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ef1c d\u00ednh b\u00ea t\u00f4ng, coupler truy\u1ec1n t\u1ea3i 100% l\u1ef1c k\u00e9o v\u00e0 n\u00e9n tr\u1ef1c ti\u1ebfp gi\u1eefa hai thanh th\u00e9p<\/span><\/span><span data-path-to-node=\"8,2,1,2\">.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\">\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-16e1d3e e-flex e-con-boxed e-con e-parent\" data-id=\"16e1d3e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-ac3b504 elementor-widget elementor-widget-text-editor\" data-id=\"ac3b504\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"10\"><span style=\"color: #0000ff;\">2. Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt \u00e1p d\u1ee5ng cho Coupler c\u1ecdc nh\u1ed3i<\/span><\/h4>\n<p data-path-to-node=\"11\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, c\u00e1c m\u1ed1i n\u1ed1i coupler t\u1ea1i Coupler.vn lu\u00f4n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c b\u1ed9 ti\u00eau chu\u1ea9n Vi\u1ec7t Nam v\u00e0 Qu\u1ed1c t\u1ebf m\u1edbi nh\u1ea5t:<\/p>\n<p data-path-to-node=\"12,0,1\"><span data-path-to-node=\"12,0,1,0\"><b data-path-to-node=\"12,0,1,0\" data-index-in-node=\"0\"><span class=\"citation-34\">TCVN 8163:2009:<\/span><\/b><span class=\"citation-34\"> Ti\u00eau chu\u1ea9n n\u1ec1n t\u1ea3ng v\u1ec1 m\u1ed1i n\u1ed1i \u1ed1ng ren t\u1ea1i Vi\u1ec7t Nam<\/span><\/span><span data-path-to-node=\"12,0,1,2\">. <\/span><span data-path-to-node=\"12,0,1,4\"><span class=\"citation-33\">Ch\u00fang t\u00f4i cung c\u1ea5p m\u1ed1i n\u1ed1i <\/span><b data-path-to-node=\"12,0,1,4\" data-index-in-node=\"27\"><span class=\"citation-33\">C\u1ea5p 1 (Grade 1)<\/span><\/b><span class=\"citation-33\">, \u0111\u1ea3m b\u1ea3o khi k\u00e9o th\u1eed nghi\u1ec7m, thanh th\u00e9p s\u1ebd \u0111\u1ee9t t\u1ea1i v\u1ecb tr\u00ed n\u1eb1m ngo\u00e0i m\u1ed1i n\u1ed1i (bar-break)<\/span><\/span><span data-path-to-node=\"12,0,1,6\">.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><span data-path-to-node=\"12,1,1,0\"><b data-path-to-node=\"12,1,1,0\" data-index-in-node=\"0\"><span class=\"citation-32\">TCVN 13711-2:2023 (M\u1edbi nh\u1ea5t):<\/span><\/b><span class=\"citation-32\"> C\u1eadp nh\u1eadt ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m \u0111\u1ed9 tr\u01b0\u1ee3t (slip test) theo chu\u1ea9n <\/span><b data-path-to-node=\"12,1,1,0\" data-index-in-node=\"94\"><span class=\"citation-32\">ISO 15835-2:2018<\/span><\/b><\/span><span data-path-to-node=\"12,1,1,2\">.<\/span><\/div>\n<div class=\"source-inline-chip-container ng-star-inserted\"><span data-path-to-node=\"12,2,1,0\"><b data-path-to-node=\"12,2,1,0\" data-index-in-node=\"0\"><span class=\"citation-31\">BS 8597:2015:<\/span><\/b><span class=\"citation-31\"> Ti\u00eau chu\u1ea9n Anh Qu\u1ed1c y\u00eau c\u1ea7u \u0111\u1ed9 tr\u01b0\u1ee3t d\u01b0 (<\/span><b data-path-to-node=\"12,2,1,0\" data-index-in-node=\"55\"><span class=\"citation-31\">residual slip<\/span><\/b><span class=\"citation-31\">) c\u1ef1c kh\u1eaft khe kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 <\/span><b data-path-to-node=\"12,2,1,0\" data-index-in-node=\"98\"><span class=\"citation-31\">0.10 mm<\/span><\/b><span class=\"citation-31\"> sau khi d\u1ee1 t\u1ea3i<\/span><\/span><span data-path-to-node=\"12,2,1,2\">.<\/span><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-e9a0630 e-flex e-con-boxed e-con e-parent\" data-id=\"e9a0630\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-08bd6d8 elementor-widget elementor-widget-text-editor\" data-id=\"08bd6d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"14\"><span style=\"color: #0000ff;\">3. Th\u00f4ng s\u1ed1 chi\u1ec1u d\u00e0i n\u1ed1i L1 cho l\u1ed3ng th\u00e9p c\u1ecdc nh\u1ed3i<\/span><\/h4>\n<p id=\"p-rc_3ad94b5318e9f579-27\" data-path-to-node=\"15\"><span data-path-to-node=\"15,1\"><span class=\"citation-30\">Trong thi c\u00f4ng c\u1ecdc nh\u1ed3i, k\u00edch th\u01b0\u1edbc <\/span><b data-path-to-node=\"15,1\" data-index-in-node=\"36\"><span class=\"math-inline\" data-math=\"L_1\" data-index-in-node=\"36\">$L_1$<\/span><\/b><span class=\"citation-30\"> (chi\u1ec1u d\u00e0i ren h\u1eefu d\u1ee5ng) l\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt s\u1ed1ng c\u00f2n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1ed3ng th\u00e9p kh\u00f4ng b\u1ecb tu\u1ed9t khi h\u1ea1 xu\u1ed1ng h\u1ed1 khoan<\/span><\/span><\/p>\n<p><div style=\"width: 560px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-30428-1\" width=\"560\" height=\"560\" poster=\"https:\/\/coupler.vn\/wp-content\/uploads\/2026\/02\/Bang-thong-so-ky-thuat-coupler-015-nu-mp4-image.jpg\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/coupler.vn\/wp-content\/uploads\/2026\/02\/Bang-thong-so-ky-thuat-coupler-014-nu.mp4?_=1\" \/><a href=\"https:\/\/coupler.vn\/wp-content\/uploads\/2026\/02\/Bang-thong-so-ky-thuat-coupler-014-nu.mp4\">https:\/\/coupler.vn\/wp-content\/uploads\/2026\/02\/Bang-thong-so-ky-thuat-coupler-014-nu.mp4<\/a><\/video><\/div><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-986fc20 e-flex e-con-boxed e-con e-parent\" data-id=\"986fc20\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-c61856d elementor-widget elementor-widget-text-editor\" data-id=\"c61856d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"20\"><span style=\"color: #0000ff;\">4. C\u00e1c lo\u1ea1i Coupler chuy\u00ean d\u1ee5ng cho c\u1ecdc khoan nh\u1ed3i<\/span><\/h4>\n<p data-path-to-node=\"21\">T\u00f9y v\u00e0o \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng, Coupler.vn cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c nhau:<\/p>\n<h5 data-path-to-node=\"22\"><span style=\"color: #0000ff;\">4.1. Coupler ren thu\u1eadn ngh\u1ecbch (TN)<\/span><\/h5>\n<p data-path-to-node=\"23\"><span data-path-to-node=\"23,1\"><span class=\"citation-28\">S\u1eed d\u1ee5ng khi hai \u0111\u1ea7u thanh th\u00e9p kh\u00f4ng th\u1ec3 quay \u0111\u01b0\u1ee3c nh\u01b0ng c\u00f3 th\u1ec3 d\u1ecbch chuy\u1ec3n t\u1ecbnh ti\u1ebfn<\/span><\/span><span data-path-to-node=\"23,3\">. \u0110\u00e2y l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t khi n\u1ed1i c\u00e1c \u0111o\u1ea1n l\u1ed3ng th\u00e9p c\u1ecdc nh\u1ed3i \u0111\u00e3 \u0111\u01b0\u1ee3c gia c\u00f4ng s\u1eb5n.<\/span><\/p>\n<h5 data-path-to-node=\"24\"><span style=\"color: #0000ff;\">4.2. Kh\u1edbp n\u1ed1i M\u1ed9t ch\u1ea1m Fastouch (Si\u00eau t\u1ed1c)<\/span><\/h5>\n<p id=\"p-rc_3ad94b5318e9f579-30\" data-path-to-node=\"25\"><span data-path-to-node=\"25,0\">D\u00e0nh cho c\u00e1c d\u1ef1 \u00e1n y\u00eau c\u1ea7u ti\u1ebfn \u0111\u1ed9 kh\u1ea9n c\u1ea5p. <\/span><span data-path-to-node=\"25,2\"><span class=\"citation-27\">C\u00f4ng ngh\u1ec7 <\/span><b data-path-to-node=\"25,2\" data-index-in-node=\"10\"><span class=\"citation-27\">&#8220;plug &amp; press&#8221;<\/span><\/b><span class=\"citation-27\"> cho ph\u00e9p n\u1ed1i th\u00e9p ch\u1ec9 trong <\/span><b data-path-to-node=\"25,2\" data-index-in-node=\"53\"><span class=\"citation-27\">10 gi\u00e2y<\/span><\/b><span class=\"citation-27\">, kh\u00f4ng c\u1ea7n ti\u1ec7n ren \u0111\u1ea7u th\u00e9p, gi\u1ea3m 600% chi ph\u00ed lao \u0111\u1ed9ng<\/span><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-cbb91ff e-flex e-con-boxed e-con e-parent\" data-id=\"cbb91ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-ceee679 elementor-widget elementor-widget-text-editor\" data-id=\"ceee679\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"27\"><span style=\"color: #0000ff;\">5. Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng sau khi \u0111\u1ed5 b\u00ea t\u00f4ng (NDT<\/span>)<\/h4>\n<p data-path-to-node=\"28\"><span data-path-to-node=\"28,1\"><span class=\"citation-26\">V\u00ec coupler b\u1ecb ch\u00f4n v\u00f9i trong b\u00ea t\u00f4ng c\u1ecdc nh\u1ed3i, vi\u1ec7c \u0111o \u0111\u1ed9 tr\u01b0\u1ee3t tr\u1ef1c ti\u1ebfp l\u00e0 kh\u00f4ng kh\u1ea3 thi<\/span><\/span><span data-path-to-node=\"28,3\">. <\/span><span data-path-to-node=\"28,5\"><span class=\"citation-25\">Ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 t\u01b0 v\u1ea5n c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00f4ng ph\u00e1 h\u1ee7y (NDT) \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1ed1i n\u1ed1i<\/span><\/span><span data-path-to-node=\"28,7\">:<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><span data-path-to-node=\"29,0,1,0\"><b data-path-to-node=\"29,0,1,0\" data-index-in-node=\"0\"><span class=\"citation-24\">Si\u00eau \u00e2m xung v\u1eadn t\u1ed1c (UPV):<\/span><\/b><span class=\"citation-24\"> Ph\u00e1t hi\u1ec7n kho\u1ea3ng tr\u1ed1ng quanh coupler<\/span><\/span><span data-path-to-node=\"29,0,1,2\">.<\/span><\/div>\n<p data-path-to-node=\"29,1,1\"><span data-path-to-node=\"29,1,1,0\"><b data-path-to-node=\"29,1,1,0\" data-index-in-node=\"0\"><span class=\"citation-23\">Ki\u1ec3m tra ph\u00f3ng x\u1ea1 (RT):<\/span><\/b><span class=\"citation-23\"> Ch\u1ee5p X-ray \u0111\u1ec3 ph\u00e1t hi\u1ec7n l\u1ec7ch v\u1ecb tr\u00ed ho\u1eb7c voids trong coupler<\/span><\/span><span data-path-to-node=\"29,1,1,2\">.<\/span><\/p>\n<p data-path-to-node=\"29,2,1\"><span data-path-to-node=\"29,2,1,0\"><b data-path-to-node=\"29,2,1,0\" data-index-in-node=\"0\"><span class=\"citation-22\">Radar xuy\u00ean \u0111\u1ea5t (GPR):<\/span><\/b><span class=\"citation-22\"> Qu\u00e9t b\u1ec1 m\u1eb7t \u0111\u1ec3 t\u00ecm c\u00e1c v\u00f9ng li\u00ean k\u1ebft k\u00e9m<\/span><\/span><span data-path-to-node=\"29,2,1,2\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\r\n\t\t<div class=\"default no-position show_shadow rs-sticky-default elementor-element elementor-element-e79d3fb e-flex e-con-boxed e-con e-parent\" data-id=\"e79d3fb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\r\n\t\t\t\t<div class=\"elementor-element elementor-element-ef8b161 elementor-widget elementor-widget-text-editor\" data-id=\"ef8b161\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 data-path-to-node=\"31\"><span style=\"color: #0000ff;\">6. T\u1ea1i sao ch\u1ecdn Coupler.vn cho d\u1ef1 \u00e1n c\u1ecdc khoan nh\u1ed3i?<\/span><\/h4>\n<p id=\"p-rc_3ad94b5318e9f579-35\" data-path-to-node=\"32,0,1\"><span data-path-to-node=\"32,0,1,0\"><b data-path-to-node=\"32,0,1,0\" data-index-in-node=\"0\"><span class=\"citation-21\">Ch\u1ea5t l\u01b0\u1ee3ng ki\u1ec3m \u0111\u1ecbnh:<\/span><\/b><span class=\"citation-21\"> S\u1ea3n ph\u1ea9m \u0111\u1ea1t chu\u1ea9n <\/span><b data-path-to-node=\"32,0,1,0\" data-index-in-node=\"41\"><span class=\"citation-21\">TCVN 13711:2023<\/span><\/b><span class=\"citation-21\"> v\u1edbi \u0111\u1ed9 tr\u01b0\u1ee3t d\u01b0 c\u1ef1c th\u1ea5p<\/span><\/span><span data-path-to-node=\"32,0,1,2\">.<\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><b data-path-to-node=\"32,1,0\" data-index-in-node=\"0\">Gi\u00e1 g\u1ed1c t\u1ea1i x\u01b0\u1edfng:<\/b> T\u1ed1i \u01b0u chi ph\u00ed cho c\u00e1c g\u00f3i th\u1ea7u s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/div>\n<p id=\"p-rc_3ad94b5318e9f579-36\" data-path-to-node=\"32,2,1\"><span data-path-to-node=\"32,2,1,0\"><b data-path-to-node=\"32,2,1,0\" data-index-in-node=\"0\"><span class=\"citation-20\">K\u1ef9 thu\u1eadt h\u1ed7 tr\u1ee3:<\/span><\/b><span class=\"citation-20\"> T\u01b0 v\u1ea5n chi ti\u1ebft v\u1ec1 <\/span><span class=\"math-inline\" data-math=\"L_1\" data-index-in-node=\"36\">$L_1$<\/span><span class=\"citation-20\"> v\u00e0 momen v\u1eb7n (si\u1ebft) nh\u1ecf nh\u1ea5t cho t\u1eebng size th\u00e9p<\/span><\/span><span data-path-to-node=\"32,2,1,2\">.<\/span><\/p>\n<blockquote data-path-to-node=\"33\">\n<h4 data-path-to-node=\"33,0\"><span style=\"color: #0000ff;\"><b data-path-to-node=\"33,0\" data-index-in-node=\"0\">[NH\u1eacN B\u00c1O GI\u00c1 &amp; T\u01af V\u1ea4N K\u1ef8 THU\u1eacT COUPLER C\u1eccC NH\u1ed2I NGAY]<\/b><\/span><\/h4>\n<\/blockquote>\n<ul data-path-to-node=\"34\">\n<li>\n<p data-path-to-node=\"34,0,0\"><b data-path-to-node=\"34,0,0\" data-index-in-node=\"0\">Website:<\/b> <a class=\"ng-star-inserted\" href=\"https:\/\/coupler.vn\/vi\/\" target=\"_blank\" rel=\"noopener\" data-hveid=\"0\" data-ved=\"0CAAQ_4QMahgKEwiA_pubutqSAxUAAAAAHQAAAAAQmgE\">https:\/\/coupler.vn<\/a><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"34,1,0\"><b data-path-to-node=\"34,1,0\" data-index-in-node=\"0\">Hotline\/Zalo:<\/b> [+84-0989909715 , +84-0927662665]<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"34,2,0\"><b data-path-to-node=\"34,2,0\" data-index-in-node=\"0\">Email:<\/b> coupler.vn@gmail.com<\/p>\n<\/li>\n<\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>COUPLER N\u1ed0I TH\u00c9P C\u1eccC KHOAN NH\u1ed2I: GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT &amp; TI\u00caU CHU\u1ea8N M\u1edaI NH\u1ea4T Trong thi c\u00f4ng n\u1ec1n m\u00f3ng s\u00e2u, c\u1ecdc khoan nh\u1ed3i \u0111\u00f3ng vai tr\u00f2 l\u00e0 &#8220;ch\u00e2n \u0111\u1ebf&#8221; ch\u1ecbu to\u00e0n b\u1ed9 t\u1ea3i tr\u1ecdng c\u1ee7a c\u00f4ng tr\u00ecnh. Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i ch\u1ed3ng (lap splice) truy\u1ec1n th\u1ed1ng th\u01b0\u1eddng g\u00e2y ra t\u00ecnh tr\u1ea1ng m\u1eadt \u0111\u1ed9&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112,113,114,100,115,116,117],"tags":[],"class_list":["post-30428","post","type-post","status-publish","format-standard","hentry","category-company","category-gas-oil","category-industry","category-kinh-doanh","category-manufacture","category-oil-factory","category-robotics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>COUPLER N\u1ed0I TH\u00c9P C\u1eccC KHOAN NH\u1ed2I - COUPLER.,LTD<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/coupler.vn\/vi\/coupler-noi-thep-coc-khoan-nhoi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"COUPLER N\u1ed0I TH\u00c9P C\u1eccC KHOAN NH\u1ed2I - COUPLER.,LTD\" \/>\n<meta property=\"og:description\" content=\"COUPLER N\u1ed0I TH\u00c9P C\u1eccC KHOAN NH\u1ed2I: GI\u1ea2I PH\u00c1P K\u1ef8 THU\u1eacT &amp; TI\u00caU CHU\u1ea8N M\u1edaI NH\u1ea4T Trong thi c\u00f4ng n\u1ec1n m\u00f3ng s\u00e2u, c\u1ecdc khoan nh\u1ed3i \u0111\u00f3ng vai tr\u00f2 l\u00e0 &#8220;ch\u00e2n \u0111\u1ebf&#8221; ch\u1ecbu to\u00e0n b\u1ed9 t\u1ea3i tr\u1ecdng c\u1ee7a c\u00f4ng tr\u00ecnh. 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S\u1eb5n h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn: Kho h\u00e0ng lu\u00f4n c\u00f3 s\u1eb5n \u0111\u1ea7y \u0111\u1ee7 k\u00edch c\u1ee1, \u0111\u00e1p \u1ee9ng ti\u1ebfn \u0111\u1ed9 giao h\u00e0ng ngay trong ng\u00e0y. \u0110\u1ea7y \u0111\u1ee7 ch\u1ee9ng ch\u1ec9: Cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m k\u00e9o m\u1eabu t\u1ea1i c\u00e1c trung t\u00e2m uy t\u00edn (Quatest, IBST). H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt: \u0110\u1ed9i ng\u0169 k\u1ef9 s\u01b0 am hi\u1ec3u s\u00e2u v\u1ec1 ti\u00eau chu\u1ea9n BS 8597:2015, s\u1eb5n s\u00e0ng t\u01b0 v\u1ea5n gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ecb tr\u00ed th\u00e9p ch\u1edd kh\u00f3 thi c\u00f4ng. 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