{"id":2166,"date":"2026-06-21T00:33:31","date_gmt":"2026-06-20T17:33:31","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/"},"modified":"2026-06-21T00:33:31","modified_gmt":"2026-06-20T17:33:31","slug":"rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/","title":{"rendered":"Rebar inox cho b\u00ea t\u00f4ng ven bi\u1ec3n: ch\u1ecdn m\u00e1c, thi\u1ebft k\u1ebf, tu\u1ed5i th\u1ecd"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2166&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Rebar inox cho b\u00ea t\u00f4ng ven bi\u1ec3n: ch\u1ecdn m\u00e1c, thi\u1ebft k\u1ebf, tu\u1ed5i th\u1ecd&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div 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class=\"kksr-stars-active\" style=\"width: 0px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            <span class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Vi_sao_be_tong_ven_bien_can_rebar_inox\" >V\u00ec sao b\u00ea t\u00f4ng ven bi\u1ec3n c\u1ea7n rebar inox<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Cach_chon_mac_rebar_inox_cho_ket_cau_ven_bien\" >C\u00e1ch ch\u1ecdn m\u00e1c rebar inox cho k\u1ebft c\u1ea5u ven bi\u1ec3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Hieu_chi_so_PREN_va_nguong_clorua\" >Hi\u1ec3u ch\u1ec9 s\u1ed1 PREN v\u00e0 ng\u01b0\u1ee1ng clorua<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Khuyen_nghi_theo_cap_moi_truong_tham_chieu_EN_206Eurocode_2_XS1%E2%80%93XS3\" >Khuy\u1ebfn ngh\u1ecb theo c\u1ea5p m\u00f4i tr\u01b0\u1eddng (tham chi\u1ebfu EN 206\/Eurocode 2: XS1\u2013XS3)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Tieu_chuan_va_chi_tieu_ky_thuat_can_ap_dung\" >Ti\u00eau chu\u1ea9n v\u00e0 ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt c\u1ea7n \u00e1p d\u1ee5ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Thi_cong_gia_cong_noi_%E2%80%93_nhung_khac_biet_quan_trong\" >Thi c\u00f4ng, gia c\u00f4ng, n\u1ed1i \u2013 nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Phoi_hop_voi_giai_phap_be_tong_ben_lau\" >Ph\u1ed1i h\u1ee3p v\u1edbi gi\u1ea3i ph\u00e1p b\u00ea t\u00f4ng b\u1ec1n l\u00e2u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#So_sanh_chi_phi_va_phan_tich_vong_doi_LCCA\" >So s\u00e1nh chi ph\u00ed v\u00e0 ph\u00e2n t\u00edch v\u00f2ng \u0111\u1eddi (LCCA)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Ung_dung_tieu_bieu\" >\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Dat_hang_rebar_inox_checklist_ky_thuat_nhanh\" >\u0110\u1eb7t h\u00e0ng rebar inox: checklist k\u1ef9 thu\u1eadt nhanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#FAQ_ky_thuat\" >FAQ k\u1ef9 thu\u1eadt<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Nguon_tham_khao_chinh\" >Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/rebar-inox-cho-be-tong-ven-bien-chon-mac-thiet-ke-tuoi-tho\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-vi-sao-be-tong-ven-bien-can-rebar-inox\">V\u00ec sao b\u00ea t\u00f4ng ven bi\u1ec3n c\u1ea7n rebar inox<\/a><\/li>\n<li><a href=\"#toc-1-cach-chon-mac-rebar-inox-cho-ket-cau-ven-bien\">C\u00e1ch ch\u1ecdn m\u00e1c rebar inox cho k\u1ebft c\u1ea5u ven bi\u1ec3n<\/a><\/li>\n<li><a href=\"#toc-2-tieu-chuan-va-chi-tieu-ky-thuat-can-ap-dung\">Ti\u00eau chu\u1ea9n v\u00e0 ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt c\u1ea7n \u00e1p d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-3-thi-cong-gia-cong-noi-nhung-khac-biet-quan-trong\">Thi c\u00f4ng, gia c\u00f4ng, n\u1ed1i \u2013 nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng<\/a><\/li>\n<li><a href=\"#toc-4-phoi-hop-voi-giai-phap-be-tong-ben-lau\">Ph\u1ed1i h\u1ee3p v\u1edbi gi\u1ea3i ph\u00e1p b\u00ea t\u00f4ng b\u1ec1n l\u00e2u<\/a><\/li>\n<li><a href=\"#toc-5-so-sanh-chi-phi-va-phan-tich-vong-doi-lcca\">So s\u00e1nh chi ph\u00ed v\u00e0 ph\u00e2n t\u00edch v\u00f2ng \u0111\u1eddi (LCCA)<\/a><\/li>\n<li><a href=\"#toc-6-ung-dung-tieu-bieu\">\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u<\/a><\/li>\n<li><a href=\"#toc-7-dat-hang-rebar-inox-checklist-ky-thuat-nhanh\">\u0110\u1eb7t h\u00e0ng rebar inox: checklist k\u1ef9 thu\u1eadt nhanh<\/a><\/li>\n<li><a href=\"#toc-8-faq-ky-thuat\">FAQ k\u1ef9 thu\u1eadt<\/a><\/li>\n<li><a href=\"#toc-9-nguon-tham-khao-chinh\">Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Trong m\u00f4i tr\u01b0\u1eddng ven bi\u1ec3n gi\u00e0u ion clorua, c\u1ed1t th\u00e9p carbon truy\u1ec1n th\u1ed1ng d\u1ec5 b\u1ecb \u0103n m\u00f2n, g\u00e2y n\u1ee9t v\u1ee1, ph\u1ed3ng r\u1ed9p v\u00e0 suy gi\u1ea3m kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c c\u1ee7a b\u00ea t\u00f4ng. Thanh c\u1ed1t th\u00e9p kh\u00f4ng g\u1ec9 (rebar inox) l\u00e0 gi\u1ea3i ph\u00e1p n\u00e2ng tu\u1ed5i th\u1ecd, t\u1ed1i \u01b0u chi ph\u00ed v\u00f2ng \u0111\u1eddi cho c\u00e1c k\u1ebft c\u1ea5u c\u1ea3ng bi\u1ec3n, c\u1ea7u ven bi\u1ec3n, \u0111\u00ea k\u00e8 v\u00e0 c\u00f4ng tr\u00ecnh h\u1ea1 t\u1ea7ng n\u01b0\u1edbc m\u1eb7n. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7: ti\u00eau ch\u00ed ch\u1ecdn m\u00e1c inox, ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng, thi\u1ebft k\u1ebf \u2013 thi c\u00f4ng, ki\u1ec3m so\u00e1t r\u1ee7i ro \u0103n m\u00f2n v\u00e0 ph\u00e2n t\u00edch chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n<h2 id=\"toc-0-vi-sao-be-tong-ven-bien-can-rebar-inox\"><span class=\"ez-toc-section\" id=\"Vi_sao_be_tong_ven_bien_can_rebar_inox\"><\/span>V\u00ec sao b\u00ea t\u00f4ng ven bi\u1ec3n c\u1ea7n rebar inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u01a1 ch\u1ebf h\u01b0 h\u1ecfng: Ion Cl\u2212 xuy\u00ean th\u1ea5m l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7, ph\u00e1 v\u1ee1 m\u00e0ng th\u1ee5 \u0111\u1ed9ng c\u1ee7a th\u00e9p th\u01b0\u1eddng, k\u00edch ho\u1ea1t \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. S\u1ea3n ph\u1ea9m \u0103n m\u00f2n (r\u1ec9 s\u1eaft) tr\u01b0\u01a1ng n\u1edf 2\u20136 l\u1ea7n th\u1ec3 t\u00edch, g\u00e2y n\u1ee9t d\u1ecdc, bong l\u1edbp b\u1ea3o v\u1ec7, suy gi\u1ea3m b\u00e1m d\u00ednh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u1ea5t: \u201cSplash zone\u201d (v\u00f9ng s\u00f3ng b\u1eafn), v\u00f9ng tri\u1ec1u \u1ea9m \u01b0\u1edbt \u2013 kh\u00f4 xen k\u1ebd, b\u00ea t\u00f4ng c\u00e1c t\u1ea5m boong c\u1ea7u c\u1ea3ng\/s\u00e0n b\u1ebfn v\u1edbi s\u01b0\u01a1ng mu\u1ed1i, k\u1ebft c\u1ea5u c\u1ecdc \u2013 b\u1ec7 c\u1ecdc g\u1ea7n m\u1eb7t n\u01b0\u1edbc.<br \/>\n&#8211; L\u1ee3i th\u1ebf rebar inox: M\u00e0ng th\u1ee5 \u0111\u1ed9ng gi\u00e0u Cr, Mo, N l\u00e0m t\u0103ng ng\u01b0\u1ee1ng clorua t\u1edbi h\u1ea1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7\/\u0103n m\u00f2n k\u1ebd h\u1edf. Nhi\u1ec1u nghi\u00ean c\u1ee9u v\u00e0 th\u1ef1c t\u1ebf v\u1eadn h\u00e0nh cho th\u1ea5y tu\u1ed5i th\u1ecd >75\u2013100 n\u0103m khi ch\u1ecdn \u0111\u00fang m\u00e1c v\u00e0 b\u00ea t\u00f4ng c\u00f3 \u0111\u1ed9 th\u1ea5m th\u1ea5p.<\/p>\n<h2 id=\"toc-1-cach-chon-mac-rebar-inox-cho-ket-cau-ven-bien\"><span class=\"ez-toc-section\" id=\"Cach_chon_mac_rebar_inox_cho_ket_cau_ven_bien\"><\/span>C\u00e1ch ch\u1ecdn m\u00e1c rebar inox cho k\u1ebft c\u1ea5u ven bi\u1ec3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Hieu_chi_so_PREN_va_nguong_clorua\"><\/span>Hi\u1ec3u ch\u1ec9 s\u1ed1 PREN v\u00e0 ng\u01b0\u1ee1ng clorua<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; PREN (Pitting Resistance Equivalent Number) \u2248 %Cr + 3.3\u00d7%Mo + 16\u00d7%N. PREN c\u00e0ng cao, ch\u1ed1ng r\u1ed7 c\u00e0ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng Cl\u2212.<br \/>\n&#8211; Gi\u00e1 tr\u1ecb tham kh\u1ea3o:<br \/>\n  &#8211; 304\/304L (AISI, UNS S30400\/S30403): PREN ~18\u201319. Kh\u00f4ng khuy\u1ebfn ngh\u1ecb cho v\u00f9ng bi\u1ec3n.<br \/>\n  &#8211; 316\/316L (S31600\/S31603): PREN ~24\u201326. D\u00f9ng \u0111\u01b0\u1ee3c cho XS1\/XS2; c\u00e2n nh\u1eafc \u1edf XS3 n\u1ebfu b\u00ea t\u00f4ng r\u1ea5t \u0111\u1eb7c ch\u1eafc.<br \/>\n  &#8211; Duplex 2304 (S32304): PREN ~26\u201328. T\u1ed1t h\u01a1n 316L, \u0111\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t g\u1ea7n th\u00e9p carbon, \u0111\u1ed9 b\u1ec1n cao.<br \/>\n  &#8211; Duplex 2205 (S32205\/S31803): PREN ~34\u201336. L\u1ef1a ch\u1ecdn an to\u00e0n cho splash zone\/XS3, x\u00e2m th\u1ef1c m\u1ea1nh.<br \/>\n  &#8211; Lean duplex 2101 (S32101\/S32202): PREN ~25\u201327. Kinh t\u1ebf cho XS1\/XS2 n\u1ebfu b\u00ea t\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng cao.<br \/>\n&#8211; Ng\u01b0\u1ee1ng clorua t\u1edbi h\u1ea1n:<br \/>\n  &#8211; Th\u00e9p carbon: ~0,2\u20130,4% Cl\u2212 theo kh\u1ed1i l\u01b0\u1ee3ng xi m\u0103ng.<br \/>\n  &#8211; Inox 316L: cao h\u01a1n 4\u20138 l\u1ea7n.<br \/>\n  &#8211; Duplex 2205: cao h\u01a1n 10 l\u1ea7n ho\u1eb7c h\u01a1n (ph\u1ee5 thu\u1ed9c pH, k\u1ebd h\u1edf, nhi\u1ec7t \u0111\u1ed9).<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khuyen_nghi_theo_cap_moi_truong_tham_chieu_EN_206Eurocode_2_XS1%E2%80%93XS3\"><\/span>Khuy\u1ebfn ngh\u1ecb theo c\u1ea5p m\u00f4i tr\u01b0\u1eddng (tham chi\u1ebfu EN 206\/Eurocode 2: XS1\u2013XS3)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; XS1 (kh\u00ed quy\u1ec3n ven bi\u1ec3n, s\u01b0\u01a1ng mu\u1ed1i): 2304 ho\u1eb7c 316L. Duy tr\u00ec b\u00ea t\u00f4ng c\u00f3 w\/c \u2264 0,45 v\u00e0 b\u1ea3o d\u01b0\u1ee1ng t\u1ed1t.<br \/>\n&#8211; XS2 (v\u00f9ng tri\u1ec1u): 2304\/2205. \u01afu ti\u00ean 2205 cho chi ti\u1ebft kh\u00f3 b\u1ea3o tr\u00ec.<br \/>\n&#8211; XS3 (s\u00f3ng b\u1eafn tr\u1ef1c ti\u1ebfp, splash zone): 2205 l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean. C\u00f3 th\u1ec3 k\u1ebft h\u1ee3p 2304\/316L \u1edf v\u00f9ng kh\u00f4.<br \/>\n&#8211; B\u1ed9 ph\u1eadn quan tr\u1ecdng\/kh\u00f3 s\u1eeda: lu\u00f4n \u01b0u ti\u00ean duplex 2205.<br \/>\n&#8211; L\u01b0u \u00fd kinh t\u1ebf: \u201cb\u1ed1 tr\u00ed c\u00f3 ch\u1ecdn l\u1ecdc\u201d \u2013 ch\u1ec9 d\u00f9ng inox \u1edf v\u00f9ng nguy c\u01a1 cao (l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7, neo \u0111\u1ea7u c\u1ecdc, m\u00e9p boong, m\u1ea1ch ng\u1eebng, v\u00f9ng n\u1ee9t d\u1ef1 ki\u1ebfn).<\/p>\n<h2 id=\"toc-2-tieu-chuan-va-chi-tieu-ky-thuat-can-ap-dung\"><span class=\"ez-toc-section\" id=\"Tieu_chuan_va_chi_tieu_ky_thuat_can_ap_dung\"><\/span>Ti\u00eau chu\u1ea9n v\u00e0 ch\u1ec9 ti\u00eau k\u1ef9 thu\u1eadt c\u1ea7n \u00e1p d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1eadt li\u1ec7u:<br \/>\n  &#8211; ASTM A955\/A955M: Stainless Steel Bars for Concrete Reinforcement. M\u00e1c v\u1eadt li\u1ec7u theo UNS; c\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y thi\u1ebft k\u1ebf Grade 60\/75 (fy \u2248 420\/520 MPa). Fu \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u ASTM (th\u01b0\u1eddng \u22651,25\u00d7fy). H\u00ecnh d\u1ea1ng g\u00e2n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng rebar carbon.<br \/>\n  &#8211; BS 6744:2016+A1:2017: Stainless steel bars for reinforcement of concrete. Quy \u0111\u1ecbnh th\u00e0nh ph\u1ea7n, c\u01a1 t\u00ednh, ph\u00e2n lo\u1ea1i austenitic\/duplex v\u00e0 ki\u1ec3m tra.<br \/>\n&#8211; Thi\u1ebft k\u1ebf:<br \/>\n  &#8211; ACI 318 v\u00e0 Eurocode 2: c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf nh\u01b0 th\u00e9p th\u01b0\u1eddng v\u1edbi fy t\u01b0\u01a1ng \u1ee9ng. M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i inox austenitic ~190\u2013200 GPa (g\u1ea7n th\u00e9p carbon ~200 GPa); duplex ~200 GPa.<br \/>\n  &#8211; B\u00e1m d\u00ednh: t\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u00e9p th\u01b0\u1eddng n\u1ebfu g\u00e2n \u0111\u1ea1t ti\u00eau chu\u1ea9n; d\u00f9ng chi\u1ec1u d\u00e0i neo, n\u1ed1i ch\u1ed3ng theo c\u00f4ng th\u1ee9c ti\u00eau chu\u1ea9n cho rebar \u0111en tr\u1eeb khi t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt\/\u0111\u00e1nh gi\u00e1 cho ph\u00e9p kh\u00e1c.<br \/>\n  &#8211; L\u1edbp b\u1ea3o v\u1ec7: m\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn (Concrete Society TR 43) cho ph\u00e9p gi\u1ea3m c\u1ee5c b\u1ed9 khi d\u00f9ng inox, nh\u01b0ng ph\u1ea3i tu\u00e2n th\u1ee7 quy chu\u1ea9n v\u00e0 h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf hi\u1ec7n h\u00e0nh; t\u1ea1i Vi\u1ec7t Nam n\u00ean gi\u1eef ho\u1eb7c ch\u1ec9 gi\u1ea3m khi c\u00f3 th\u1ea9m tra \u0111\u1ed9c l\u1eadp.<br \/>\n&#8211; Nh\u1eadn d\u1ea1ng &#038; QC:<br \/>\n  &#8211; Y\u00eau c\u1ea7u ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTC), ph\u00e2n t\u00edch PMI\/XRF t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng cho l\u00f4 quan tr\u1ecdng.<br \/>\n  &#8211; \u0110\u00e1nh d\u1ea5u m\u00e1c\/nh\u00e0 s\u1ea3n xu\u1ea5t tr\u00ean thanh theo ASTM A955\/BS 6744.<\/p>\n<h2 id=\"toc-3-thi-cong-gia-cong-noi-nhung-khac-biet-quan-trong\"><span class=\"ez-toc-section\" id=\"Thi_cong_gia_cong_noi_%E2%80%93_nhung_khac_biet_quan_trong\"><\/span>Thi c\u00f4ng, gia c\u00f4ng, n\u1ed1i \u2013 nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; B\u1ebb u\u1ed1n:<br \/>\n  &#8211; Inox c\u00f3 kh\u1ea3 n\u0103ng h\u00f3a b\u1ec1n bi\u1ebfn d\u1ea1ng; d\u00f9ng \u0111\u01b0\u1eddng k\u00ednh ch\u1ed1t u\u1ed1n l\u1edbn h\u01a1n th\u00e9p th\u01b0\u1eddng. Th\u1ef1c t\u1ebf: 316L\/2304 th\u01b0\u1eddng \u22654d \u0111\u1ebfn 6d; 2205 \u22656d \u0111\u1ebfn 8d t\u00f9y \u0111\u01b0\u1eddng k\u00ednh. Tham kh\u1ea3o h\u01b0\u1edbng d\u1eabn nh\u00e0 s\u1ea3n xu\u1ea5t\/s\u1ed5 tay TR 43 tr\u01b0\u1edbc khi tri\u1ec3n khai.<br \/>\n&#8211; H\u00e0n n\u1ed1i:<br \/>\n  &#8211; Ch\u1ec9 h\u00e0n khi thi\u1ebft k\u1ebf cho ph\u00e9p v\u00e0 theo WPS\/PQR ph\u00f9 h\u1ee3p m\u00e1c inox (que\/d\u00e2y h\u00e0n t\u01b0\u01a1ng th\u00edch, ki\u1ec3m so\u00e1t nhi\u1ec7t). Ph\u1ed5 bi\u1ebfn h\u01a1n l\u00e0 d\u00f9ng \u1ed1ng n\u1ed1i c\u01a1 h\u1ecdc (coupler) \u0111\u1ec3 tr\u00e1nh suy gi\u1ea3m \u0103n m\u00f2n\/\u0111\u1ed9 b\u1ec1n.<br \/>\n&#8211; Li\u00ean k\u1ebft v\u1edbi th\u00e9p carbon:<br \/>\n  &#8211; Trong v\u00f9ng \u1ea9m m\u1eb7n, c\u1ea7n c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 tr\u00e1nh pin \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. D\u00f9ng b\u1ecdc nh\u1ef1a cho coupler, t\u1ea5m \u0111\u1ec7m\/c\u00e1ch \u0111i\u1ec7n ho\u1eb7c chuy\u1ec3n ti\u1ebfp b\u1eb1ng \u0111o\u1ea1n inox \u0111\u1ee7 chi\u1ec1u d\u00e0i ra kh\u1ecfi v\u00f9ng \u1ea9m.<br \/>\n&#8211; D\u00e2y bu\u1ed9c, k\u00ea con k\u00ea:<br \/>\n  &#8211; D\u00f9ng d\u00e2y bu\u1ed9c inox ho\u1eb7c polymer; con k\u00ea b\u00ea t\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng cao ho\u1eb7c polymer. Tr\u00e1nh d\u00f9ng th\u00e9p \u0111en tr\u1ea7n l\u00e0m ph\u1ee5 ki\u1ec7n trong v\u00f9ng \u1ea9m m\u1eb7n.<br \/>\n&#8211; L\u01b0u kho &#038; thao t\u00e1c:<br \/>\n  &#8211; T\u00e1ch bi\u1ec7t v\u1edbi th\u00e9p carbon \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m s\u1eaft t\u1ef1 do (g\u00e2y \u1ed1 b\u1ec1 m\u1eb7t). Che m\u01b0a n\u1eafng, kh\u00f4 r\u00e1o, kh\u00f4ng \u0111\u1ec3 ti\u1ebfp x\u00fac mu\u1ed1i bi\u1ec3n tr\u1ef1c ti\u1ebfp tr\u01b0\u1edbc khi \u0111\u1ed5 b\u00ea t\u00f4ng.<br \/>\n&#8211; H\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t:<br \/>\n  &#8211; Austenitic (316L): ~16\u201317\u00d710\u207b\u2076\/\u00b0C l\u1edbn h\u01a1n th\u00e9p carbon (~12\u00d710\u207b\u2076\/\u00b0C); duplex (~13\u00d710\u207b\u2076\/\u00b0C) g\u1ea7n th\u00e9p carbon. C\u00e1c c\u1ea5u ki\u1ec7n ch\u1ecbu bi\u1ebfn thi\u00ean nhi\u1ec7t l\u1edbn n\u00ean \u01b0u ti\u00ean duplex \u0111\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t nhi\u1ec7t ch\u00eanh l\u1ec7ch.<\/p>\n<h2 id=\"toc-4-phoi-hop-voi-giai-phap-be-tong-ben-lau\"><span class=\"ez-toc-section\" id=\"Phoi_hop_voi_giai_phap_be_tong_ben_lau\"><\/span>Ph\u1ed1i h\u1ee3p v\u1edbi gi\u1ea3i ph\u00e1p b\u00ea t\u00f4ng b\u1ec1n l\u00e2u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Th\u00e0nh ph\u1ea7n b\u00ea t\u00f4ng: w\/c \u2264 0,40\u20130,45; d\u00f9ng tro bay, x\u1ec9 l\u00f2 cao, silica fume \u0111\u1ec3 gi\u1ea3m th\u1ea5m Cl\u2212.<br \/>\n&#8211; B\u1ea3o d\u01b0\u1ee1ng \u1ea9m nghi\u00eam ng\u1eb7t \u22657 ng\u00e0y (xi m\u0103ng th\u01b0\u1eddng) ho\u1eb7c theo m\u00e1c\/b\u1ed5 sung kho\u00e1ng.<br \/>\n&#8211; Chi ti\u1ebft h\u00f3a \u0111\u1ea5u n\u1ed1i, m\u1ea1ch ng\u1eebng, tr\u00e1m k\u00edn v\u1ebft n\u1ee9t s\u1edbm; d\u00f9ng ph\u1ee5 gia \u1ee9c ch\u1ebf \u0103n m\u00f2n khi c\u1ea7n.<br \/>\n&#8211; L\u1edbp ph\u1ee7\/b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t: sealer\/silane\/siloxane cho khu v\u1ef1c h\u1eaft m\u01b0a \u2013 s\u01b0\u01a1ng mu\u1ed1i.<br \/>\n&#8211; Ki\u1ec3m so\u00e1t n\u1ee9t: b\u1ed1 tr\u00ed th\u00e9p ph\u00e2n b\u1ed1, gi\u1edbi h\u1ea1n \u0111\u1ed9 r\u1ed9ng n\u1ee9t ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng XS theo Eurocode 2\/ACI.<\/p>\n<h2 id=\"toc-5-so-sanh-chi-phi-va-phan-tich-vong-doi-lcca\"><span class=\"ez-toc-section\" id=\"So_sanh_chi_phi_va_phan_tich_vong_doi_LCCA\"><\/span>So s\u00e1nh chi ph\u00ed v\u00e0 ph\u00e2n t\u00edch v\u00f2ng \u0111\u1eddi (LCCA)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Chi ph\u00ed ban \u0111\u1ea7u: rebar inox th\u01b0\u1eddng 3\u20136 l\u1ea7n gi\u00e1 th\u00e9p \u0111en; nh\u01b0ng ph\u1ea7n c\u1ed1t th\u00e9p ch\u1ec9 chi\u1ebfm 1\u20132% chi ph\u00ed c\u00f4ng tr\u00ecnh \u0111i\u1ec3n h\u00ecnh, n\u00ean t\u00e1c \u0111\u1ed9ng l\u00ean t\u1ed5ng m\u1ee9c l\u00e0 h\u1ea1n ch\u1ebf.<br \/>\n&#8211; Chi ph\u00ed v\u00f2ng \u0111\u1eddi:<br \/>\n  &#8211; Nhi\u1ec1u nghi\u00ean c\u1ee9u LCCA cho th\u1ea5y ti\u1ebft ki\u1ec7m 20\u201340% trong 50\u2013100 n\u0103m so v\u1edbi gi\u1ea3i ph\u00e1p th\u00e9p \u0111en\/epoxy \u1edf m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, nh\u1edd gi\u1ea3m b\u1ea3o tr\u00ec, kh\u00f4ng ph\u1ea3i gia c\u01b0\u1eddng s\u1edbm v\u00e0 tr\u00e1nh d\u1eebng khai th\u00e1c.<br \/>\n&#8211; Chi\u1ebfn l\u01b0\u1ee3c t\u1ed1i \u01b0u:<br \/>\n  &#8211; D\u00f9ng inox c\u00f3 ch\u1ecdn l\u1ecdc t\u1ea1i v\u00f9ng r\u1ee7i ro cao (m\u00e9p c\u1ea5u ki\u1ec7n, splash zone, neo \u0111\u1ea7u c\u1ecdc, \u0111\u1ea7u d\u1ea7m), k\u1ebft h\u1ee3p b\u00ea t\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 detailing t\u1ed1t. C\u00e1ch l\u00e0m n\u00e0y th\u01b0\u1eddng t\u0103ng chi ph\u00ed \u0111\u1ea7u t\u01b0 <5% nh\u01b0ng k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd th\u00eam h\u00e0ng ch\u1ee5c n\u0103m.\n\n\n\n<h2 id=\"toc-6-ung-dung-tieu-bieu\"><span class=\"ez-toc-section\" id=\"Ung_dung_tieu_bieu\"><\/span>\u1ee8ng d\u1ee5ng ti\u00eau bi\u1ec3u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u1ea7u c\u1ea3ng, b\u1ebfn t\u00e0u, d\u1ea7m \u2013 s\u00e0n boong, b\u1ec7 c\u1ecdc, m\u0169 tr\u1ee5 c\u1ea7u ven bi\u1ec3n.<br \/>\n&#8211; K\u00e8 ch\u1eafn s\u00f3ng, t\u01b0\u1eddng ch\u1eafn, \u0111\u00ea bi\u1ec3n, h\u1ea1ng m\u1ee5c ch\u1ecbu s\u00f3ng b\u1eafn.<br \/>\n&#8211; Nh\u00e0 m\u00e1y n\u01b0\u1edbc bi\u1ec3n (RO), tr\u1ea1m b\u01a1m n\u01b0\u1edbc m\u1eb7n, b\u1ec3 ti\u1ebfp x\u00fac, k\u00eanh d\u1eabn ven bi\u1ec3n.<br \/>\n&#8211; C\u00f4ng tr\u00ecnh h\u1ea1 t\u1ea7ng ven bi\u1ec3n: c\u1ea7u v\u01b0\u1ee3t m\u1eb7t bi\u1ec3n, \u0111\u01b0\u1eddng ven bi\u1ec3n, h\u1ea7m chui g\u1ea7n b\u1edd.<\/p>\n<h2 id=\"toc-7-dat-hang-rebar-inox-checklist-ky-thuat-nhanh\"><span class=\"ez-toc-section\" id=\"Dat_hang_rebar_inox_checklist_ky_thuat_nhanh\"><\/span>\u0110\u1eb7t h\u00e0ng rebar inox: checklist k\u1ef9 thu\u1eadt nhanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; M\u00e1c inox: 316L\/2304\/2205 (theo ASTM A955\/BS 6744).<br \/>\n&#8211; C\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y y\u00eau c\u1ea7u: Grade 60 (420 MPa) ho\u1eb7c Grade 75 (520 MPa).<br \/>\n&#8211; \u0110\u01b0\u1eddng k\u00ednh, chi\u1ec1u d\u00e0i\/chi ti\u1ebft u\u1ed1n (b\u1ea3n v\u1ebd BBS), dung sai gia c\u00f4ng.<br \/>\n&#8211; Ph\u01b0\u01a1ng th\u1ee9c n\u1ed1i: c\u01a1 h\u1ecdc (coupler) hay ch\u1ed3ng n\u1ed1i; y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n n\u1ebfu n\u1ed1i v\u1edbi th\u00e9p \u0111en.<br \/>\n&#8211; Ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng b\u1ed9: d\u00e2y bu\u1ed9c inox\/polymer, con k\u00ea ch\u1ed1ng th\u1ea5m, \u1ed1ng c\u00e1ch \u0111i\u1ec7n.<br \/>\n&#8211; Ch\u1ee9ng ch\u1ec9 MTC, th\u1eed PMI\/XRF, y\u00eau c\u1ea7u th\u00ed nghi\u1ec7m b\u00e1m d\u00ednh\/\u0111\u1ed9 u\u1ed1n (n\u1ebfu c\u1ea7n).<br \/>\n&#8211; Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t: s\u1ea1ch d\u1ea7u m\u1ee1, kh\u00f4ng nhi\u1ec5m s\u1eaft t\u1ef1 do; bao g\u00f3i ch\u1ed1ng mu\u1ed1i.<\/p>\n<h2 id=\"toc-8-faq-ky-thuat\"><span class=\"ez-toc-section\" id=\"FAQ_ky_thuat\"><\/span>FAQ k\u1ef9 thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u00f3 th\u1ec3 gi\u1ea3m l\u1edbp b\u00ea t\u00f4ng b\u1ea3o v\u1ec7 khi d\u00f9ng inox?<br \/>\n  &#8211; Ch\u1ec9 khi ti\u00eau chu\u1ea9n\/h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf cho ph\u00e9p. M\u1ed9t s\u1ed1 h\u01b0\u1edbng d\u1eabn qu\u1ed1c t\u1ebf cho ph\u00e9p gi\u1ea3m c\u1ee5c b\u1ed9, nh\u01b0ng n\u00ean th\u1ea9m tra \u0111\u1ed9c l\u1eadp v\u00e0 c\u00e2n nh\u1eafc y\u00eau c\u1ea7u ch\u1ecbu l\u1eeda, \u0111\u1ed9 b\u1ec1n m\u1ecfi.<br \/>\n&#8211; Tr\u1ed9n d\u00f9ng c\u1ea3 inox v\u00e0 th\u00e9p \u0111en trong c\u00f9ng c\u1ea5u ki\u1ec7n \u0111\u01b0\u1ee3c kh\u00f4ng?<br \/>\n  &#8211; \u0110\u01b0\u1ee3c n\u1ebfu c\u00f3 bi\u1ec7n ph\u00e1p c\u00e1ch \u0111i\u1ec7n t\u1ea1i v\u00f9ng \u1ea9m m\u1eb7n. Tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp trong m\u00f4i tr\u01b0\u1eddng \u01b0\u1edbt \u2013 m\u1eb7n \u0111\u1ec3 ng\u0103n pin \u0103n m\u00f2n.<br \/>\n&#8211; T\u00ednh to\u00e1n c\u1ed1t th\u00e9p inox c\u00f3 kh\u00e1c nhi\u1ec1u?<br \/>\n  &#8211; Kh\u00f4ng \u0111\u00e1ng k\u1ec3. D\u00f9ng fy theo c\u1ea5p m\u00e1c (420\/520 MPa). M\u00f4 \u0111un E t\u01b0\u01a1ng \u0111\u01b0\u01a1ng; chi\u1ec1u d\u00e0i neo\/n\u1ed1i theo ti\u00eau chu\u1ea9n d\u00f9ng cho rebar \u0111en n\u1ebfu kh\u00f4ng c\u00f3 ch\u1ec9 d\u1eabn ri\u00eang.<br \/>\n&#8211; Inox 304 c\u00f3 d\u00f9ng \u0111\u01b0\u1ee3c \u1edf bi\u1ec3n?<br \/>\n  &#8211; Kh\u00f4ng khuy\u1ebfn ngh\u1ecb. Ch\u1ecdn t\u1ed1i thi\u1ec3u 316L\/2304, \u01b0u ti\u00ean 2205 cho splash zone.<\/p>\n<h2 id=\"toc-9-nguon-tham-khao-chinh\"><span class=\"ez-toc-section\" id=\"Nguon_tham_khao_chinh\"><\/span>Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; ASTM A955\/A955M: Standard Specification for Deformed and Plain Stainless-Steel Bars for Concrete Reinforcement.<br \/>\n&#8211; BS 6744:2016+A1:2017 Stainless steel bars for the reinforcement of concrete \u2013 Requirements.<br \/>\n&#8211; ACI 222R-19: Guide to Protection of Reinforcing Steel in Concrete Against Corrosion.<br \/>\n&#8211; ACI 318-19: Building Code Requirements for Structural Concrete.<br \/>\n&#8211; EN 1992-1-1 (Eurocode 2) v\u00e0 EN 206: Exposure classes XS1\u2013XS3 cho m\u00f4i tr\u01b0\u1eddng bi\u1ec3n.<br \/>\n&#8211; The Concrete Society, Technical Report 43 (TR 43): Stainless steel reinforcement in concrete.<br \/>\n&#8211; FHWA Tech Briefs on Stainless Steel Reinforcement (v\u00ed d\u1ee5: FHWA-HRT series).<\/p>\n<h2 id=\"toc-10-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Rebar inox l\u00e0 l\u1eddi gi\u1ea3i hi\u1ec7u qu\u1ea3 cho b\u00e0i to\u00e1n \u0103n m\u00f2n clorua c\u1ee7a b\u00ea t\u00f4ng ven bi\u1ec3n. Ch\u1ecdn \u0111\u00fang m\u00e1c (316L\/2304\/2205) theo m\u1ee9c \u0111\u1ed9 ph\u01a1i nhi\u1ec5m, tu\u00e2n th\u1ee7 ASTM A955\/BS 6744, k\u1ebft h\u1ee3p b\u00ea t\u00f4ng c\u00f3 \u0111\u1ed9 th\u1ea5m th\u1ea5p v\u00e0 detailing \u2013 thi c\u00f4ng chu\u1ea9n s\u1ebd:<br \/>\n&#8211; N\u00e2ng tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh l\u00ean 75\u2013100+ n\u0103m.<br \/>\n&#8211; Gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed b\u1ea3o tr\u00ec\/s\u1eeda ch\u1eefa trong v\u00f2ng \u0111\u1eddi.<br \/>\n&#8211; H\u1ea1n ch\u1ebf r\u1ee7i ro d\u1eebng khai th\u00e1c v\u00e0 m\u1ea5t an to\u00e0n c\u00f4ng tr\u00ecnh.<\/p>\n<p>C\u1ea7n b\u00e1o gi\u00e1 v\u00e0 t\u01b0 v\u1ea5n c\u1ea5u h\u00ecnh t\u1ed1i \u01b0u cho d\u1ef1 \u00e1n ven bi\u1ec3n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u2013 Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com. Ch\u00fang t\u00f4i cung c\u1ea5p rebar inox 316L\/2304\/2205 c\u1eaft \u2013 u\u1ed1n theo b\u1ea3n v\u1ebd, ch\u1ee9ng ch\u1ec9 \u0111\u1ea7y \u0111\u1ee7, giao nhanh to\u00e0n qu\u1ed1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn v\u00e0 thi c\u00f4ng rebar inox cho b\u00ea t\u00f4ng ven bi\u1ec3n: m\u00e1c 316L\/2304\/2205, ti\u00eau chu\u1ea9n ASTM A955, BS 6744, thi\u1ebft k\u1ebf, tu\u1ed5i th\u1ecd v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n","protected":false},"author":7,"featured_media":1047,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=2166"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2166\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1047"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}