{"id":6978,"date":"2022-10-06T12:15:18","date_gmt":"2022-10-06T04:15:18","guid":{"rendered":"https:\/\/xzfastener.com\/?p=6978"},"modified":"2026-06-23T12:16:53","modified_gmt":"2026-06-23T04:16:53","slug":"fasteners-for-guardrails-and-safety-barriers-selection-and-sourcing-guide","status":"publish","type":"post","link":"https:\/\/xzfastener.com\/vi\/fasteners-for-guardrails-and-safety-barriers-selection-and-sourcing-guide\/","title":{"rendered":"Ch\u1ed1t cho lan can v\u00e0 r\u00e0o ch\u1eafn an to\u00e0n: H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u00e0 t\u00ecm ngu\u1ed3n cung \u1ee9ng"},"content":{"rendered":"<p>Ch\u1ed1t lan can l\u00e0 b\u1ed9 ph\u1eadn an to\u00e0n, kh\u00f4ng ph\u1ea3i ph\u1ea7n c\u1ee9ng th\u00f4ng th\u01b0\u1eddng. M\u1ed9t bu l\u00f4ng gi\u00e1 r\u1ebb tr\u00f4ng \u201c\u0111\u1ee7 g\u1ea7n\u201d c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 l\u1eafp \u0111\u1eb7t, h\u1ecfng l\u1edbp ph\u1ee7 ho\u1eb7c hi\u1ec7u su\u1ea5t r\u00e0o ch\u1eafn y\u1ebfu sau khi va ch\u1ea1m.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi lan can \u0111\u01b0\u1eddng cao t\u1ed1c, r\u00e0o ch\u1eafn c\u1ea7u, ray nh\u00e0 kho v\u00e0 h\u00e0ng r\u00e0o an to\u00e0n c\u00f4ng nghi\u1ec7p, ng\u01b0\u1eddi mua n\u00ean x\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng bu\u1ed9c ch\u1eb7t \u0111\u1ea7y \u0111\u1ee7: bu l\u00f4ng, \u0111ai \u1ed1c, v\u00f2ng \u0111\u1ec7m, neo, l\u1edbp ph\u1ee7, c\u1ea5p \u0111\u1ed9 v\u00e0 bao b\u00ec.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t ch\u00ednh cho h\u1ec7 th\u1ed1ng lan can<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00e0nh ph\u1ea7n chung<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Lo\u1ea1i chi ti\u1ebft si\u1ebft ch\u1eb7t<\/th><th>V\u1ecb tr\u00ed \u0111i\u1ec3n h\u00ecnh<\/th><th>Y\u00eau c\u1ea7u ch\u00ednh<\/th><\/tr><\/thead><tbody><tr><td>Bu l\u00f4ng n\u1ed1i<\/td><td>K\u1ebft n\u1ed1i \u0111\u01b0\u1eddng s\u1eaft v\u1edbi \u0111\u01b0\u1eddng s\u1eaft<\/td><td>H\u00ecnh d\u1ea1ng \u0111\u1ea7u, chi\u1ec1u d\u00e0i v\u00e0 l\u1edbp ph\u1ee7 ch\u00ednh x\u00e1c<\/td><\/tr><tr><td>Bu l\u00f4ng b\u00e0i<\/td><td>\u0110\u01b0\u1eddng s\u1eaft ho\u1eb7c ch\u1eb7n \u0111\u1ec3 \u0111\u0103ng<\/td><td>\u0110\u1ed9 b\u1ec1n c\u1eaft v\u00e0 \u0111\u1ed9 ph\u00f9 h\u1ee3p<\/td><\/tr><tr><td>Bu l\u00f4ng l\u1ee5c gi\u00e1c<\/td><td>Gi\u00e1 \u0111\u1ee1, t\u1ea5m \u0111\u1ebf, ph\u1ee5 ki\u1ec7n<\/td><td>Tr\u1eadn \u0111\u1ea5u gi\u1eefa l\u1edbp v\u00e0 ch\u1ee7 \u0111\u1ec1<\/td><\/tr><tr><td>Bu l\u00f4ng neo<\/td><td>R\u00e0o ch\u1eafn b\u00ea t\u00f4ng<\/td><td>Kh\u1ea3 n\u0103ng ch\u1ed1ng nh\u00fang v\u00e0 k\u00e9o ra<\/td><\/tr><tr><td>V\u00f2ng \u0111\u1ec7m ph\u1eb3ng<\/td><td>Ph\u00e2n ph\u1ed1i t\u1ea3i<\/td><td>\u0110\u00fang OD, \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 c\u1ee9ng<\/td><\/tr><tr><td>\u0111ai \u1ed1c l\u1ee5c gi\u00e1c<\/td><td>Kh\u00f3a v\u00e0 k\u1eb9p bu l\u00f4ng<\/td><td>Ph\u00f9 h\u1ee3p v\u1edbi l\u1edbp v\u00e0 ch\u1ee7 \u0111\u1ec1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch s\u1ea3n ph\u1ea9m, h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi c\u00f4ng nghi\u1ec7p <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/bolts\/\">bu l\u00f4ng<\/a>, <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/washers\/\">v\u00f2ng \u0111\u1ec7m<\/a>v\u00e0 <a href=\"https:\/\/xzfastener.com\/vi\/fastener-type\/anchors\/\">m\u1ecf neo<\/a> tr\u01b0\u1edbc khi thu h\u1eb9p danh s\u00e1ch d\u1ef1 \u00e1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy t\u1eafc l\u1ef1a ch\u1ecdn ng\u01b0\u1eddi mua n\u00ean tu\u00e2n theo<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f4ng ch\u1ecdn theo \u0111\u01b0\u1eddng k\u00ednh m\u1ed9t m\u00ecnh<\/h3>\n\n\n\n<p>Ch\u1ed1t lan can ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi b\u1ea3n v\u1ebd r\u00e0o ch\u1eafn v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a c\u01a1 quan qu\u1ea3n l\u00fd \u0111\u01b0\u1eddng b\u1ed9 \u0111\u1ecba ph\u01b0\u01a1ng. \u1ede Hoa K\u1ef3, c\u00e1c d\u1ef1 \u00e1n \u0111\u01b0\u1eddng cao t\u1ed1c th\u01b0\u1eddng tham kh\u1ea3o c\u00e1c y\u00eau c\u1ea7u AASHTO, ASTM v\u00e0 DOT. C\u00e1c d\u1ef1 \u00e1n qu\u1ed1c t\u1ebf c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n EN, ISO, DIN, ho\u1eb7c ti\u00eau chu\u1ea9n qu\u1ed1c l\u1ed9.<\/p>\n\n\n\n<p>Ki\u1ec3m tra c\u00e1c m\u1ee5c n\u00e0y tr\u01b0\u1edbc khi tr\u00edch d\u1eabn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng k\u00ednh bu l\u00f4ng, chi\u1ec1u d\u00e0i, ki\u1ec3u \u0111\u1ea7u v\u00e0 chi\u1ec1u d\u00e0i ren<\/li>\n\n\n\n<li>Lo\u1ea1i \u0111ai \u1ed1c v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n t\u01b0\u01a1ng th\u00edch<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u00f2ng \u0111\u1ec7m<\/li>\n\n\n\n<li>M\u00e1c th\u00e9p v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc<\/li>\n\n\n\n<li>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng ho\u1eb7c l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t kh\u00e1c<\/li>\n\n\n\n<li>Gi\u1ea5y ch\u1ee9ng nh\u1eadn v\u00e0 b\u00e1o c\u00e1o ki\u1ec3m tra c\u1ea7n thi\u1ebft<\/li>\n\n\n\n<li>\u0110\u00f3ng g\u00f3i theo t\u1eebng h\u1ea1ng m\u1ee5c c\u00f4ng tr\u00ecnh ho\u1eb7c khu v\u1ef1c l\u1eafp \u0111\u1eb7t<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1edbp ph\u1ee7 v\u00e0 b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">R\u00e0o ch\u1eafn ngo\u00e0i tr\u1eddi c\u1ea7n ho\u00e0n thi\u1ec7n b\u1ec1n<\/h3>\n\n\n\n<p>Ch\u1ed1t lan can ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi m\u01b0a, mu\u1ed1i \u0111\u01b0\u1eddng, b\u00f9n, h\u01b0 h\u1ecfng do va \u0111\u1eadp v\u00e0 ti\u1ebfp x\u00fac v\u1edbi tia c\u1ef1c t\u00edm trong th\u1eddi gian d\u00e0i. M\u1ea1 k\u1ebdm nh\u1eb9 th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7 cho c\u00f4ng vi\u1ec7c l\u00e0m r\u00e0o ch\u1eafn tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c ho\u1eb7c ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>K\u1ebft th\u00fac<\/th><th>S\u1eed d\u1ee5ng ph\u00f9 h\u1ee3p<\/th><th>L\u01b0u \u00fd ng\u01b0\u1eddi mua<\/th><\/tr><\/thead><tbody><tr><td>M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td><td>Lan can \u0111\u01b0\u1eddng cao t\u1ed1c, r\u00e0o ch\u1eafn ngo\u00e0i tr\u1eddi<\/td><td>S\u1ef1 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td><\/tr><tr><td>v\u1ea3y k\u1ebdm<\/td><td>\u1ed0c v\u00edt \u0111\u01b0\u1ee3c ph\u1ee7 hi\u1ec7u su\u1ea5t cao<\/td><td>T\u1ed1t cho \u0111\u1ed9 d\u00e0y l\u1edbp ph\u1ee7 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/td><\/tr><tr><td>K\u1ebft th\u00fac \u0111\u01a1n gi\u1ea3n<\/td><td>Ch\u1ec9 s\u1eed d\u1ee5ng t\u1ea1m th\u1eddi ho\u1eb7c trong nh\u00e0<\/td><td>Kh\u00f4ng n\u00ean d\u00f9ng ngo\u00e0i tr\u1eddi<\/td><\/tr><tr><td>Th\u00e9p kh\u00f4ng g\u1ec9<\/td><td>Ti\u1ebfp x\u00fac v\u1edbi b\u1edd bi\u1ec3n ho\u1eb7c h\u00f3a ch\u1ea5t<\/td><td>Chi ph\u00ed cao h\u01a1n, ki\u1ec3m tra nhu c\u1ea7u s\u1ee9c m\u1ea1nh<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u0110\u1ec3 so s\u00e1nh l\u1edbp ph\u1ee7, h\u00e3y xem l\u1ea1i <a href=\"https:\/\/xzfastener.com\/vi\/products-category\/various-coated-fasteners\/\">\u1ed1c v\u00edt tr\u00e1ng kh\u00e1c nhau<\/a> v\u00e0 h\u01b0\u1edbng d\u1eabn n\u00e0y tr\u00ean <a href=\"https:\/\/xzfastener.com\/vi\/hot-dip-galvanized-vs-zinc-flake-cost-performance-comparison\/\">m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng v\u00e0 v\u1ea3y k\u1ebdm<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Danh s\u00e1ch ki\u1ec3m tra t\u00ecm ngu\u1ed3n cung \u1ee9ng<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">G\u1eedi g\u00ec cho nh\u00e0 cung c\u1ea5p<\/h3>\n\n\n\n<p>M\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra th\u00edch h\u1ee3p n\u00ean bao g\u1ed3m:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>B\u1ea3n v\u1ebd d\u1ef1 \u00e1n ho\u1eb7c l\u1ecbch tr\u00ecnh bu\u1ed9c ch\u1eb7t.<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng ho\u1eb7c \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt DOT.<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc, c\u1ea5p \u0111\u1ed9, \u0111\u1ed9 ho\u00e0n thi\u1ec7n v\u00e0 s\u1ed1 l\u01b0\u1ee3ng.<\/li>\n\n\n\n<li>Y\u00eau c\u1ea7u v\u1ec1 \u0111ai \u1ed1c v\u00e0 v\u00f2ng \u0111\u1ec7m.<\/li>\n\n\n\n<li>H\u00ecnh th\u1ee9c \u0111\u00f3ng g\u00f3i v\u00e0 nh\u00e3n m\u00e1c.<\/li>\n\n\n\n<li>C\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ee9ng ch\u1ec9, ch\u1eb3ng h\u1ea1n nh\u01b0 MTC ho\u1eb7c b\u00e1o c\u00e1o v\u1ec1 l\u1edbp ph\u1ee7.<\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c \u1ed1c v\u00edt lan can ph\u1ea3i s\u1eb5n s\u00e0ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t t\u1ea1i ch\u1ed7, kh\u00f4ng ph\u1ea3i \u0111\u1ec3 ph\u00e2n lo\u1ea1i v\u00e0 \u0111o\u00e1n m\u00f2. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt r\u00f5 r\u00e0ng gi\u00fap gi\u1ea3m \u0111\u1ed9 tr\u1ec5, ng\u0103n ng\u1eeba c\u00e1c b\u1ed9 ph\u1eadn kh\u00f4ng kh\u1edbp v\u00e0 b\u1ea3o v\u1ec7 ch\u1ee9c n\u0103ng an to\u00e0n c\u1ee7a h\u1ec7 th\u1ed1ng r\u00e0o ch\u1eafn.<\/p>","protected":false},"excerpt":{"rendered":"<p>Guardrail fasteners are safety parts, not general hardware. A low-cost bolt that looks \u201cclose enough\u201d can create fit-up problems, coating failure, or weak barrier performance after impact. For highway guardrails, bridge barriers, warehouse rails, and industrial safety fences, buyers should confirm the full fastening system: bolts, nuts, washers, anchors, coating, grade, and packaging. Key Fastener [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[479],"tags":[483],"class_list":["post-6978","post","type-post","status-publish","format-standard","hentry","category-fastener-knowledge-library","tag-industry-application-guides"],"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6978","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/comments?post=6978"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6978\/revisions"}],"predecessor-version":[{"id":6979,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/posts\/6978\/revisions\/6979"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/media?parent=6978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/categories?post=6978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/vi\/wp-json\/wp\/v2\/tags?post=6978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}