{"id":1253,"date":"2025-11-01T12:34:03","date_gmt":"2025-11-01T05:34:03","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/thiet-ke-thi-cong-lan-can-cau-thang-inox-an-toan-dung-ky-thuat\/"},"modified":"2025-11-01T12:34:03","modified_gmt":"2025-11-01T05:34:03","slug":"thiet-ke-thi-cong-lan-can-cau-thang-inox-an-toan-dung-ky-thuat","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/thiet-ke-thi-cong-lan-can-cau-thang-inox-an-toan-dung-ky-thuat\/","title":{"rendered":"Thi\u1ebft k\u1ebf, thi c\u00f4ng lan can c\u1ea7u thang Inox an to\u00e0n, \u0111\u00fang k\u1ef9 thu\u1eadt"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-yeu-cau-phap-ly-kich-thuoc-va-tai-trong-thiet-ke\">Y\u00eau c\u1ea7u ph\u00e1p l\u00fd, k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ea3i tr\u1ecdng thi\u1ebft k\u1ebf<\/a><\/li>\n<li><a href=\"#toc-1-lua-chon-vat-lieu-inox-va-phu-kien\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u Inox v\u00e0 ph\u1ee5 ki\u1ec7n<\/a><\/li>\n<li><a href=\"#toc-2-giai-phap-ket-cau-lan-can-cau-thang-dien-hinh\">Gi\u1ea3i ph\u00e1p k\u1ebft c\u1ea5u lan can, c\u1ea7u thang \u0111i\u1ec3n h\u00ecnh<\/a><\/li>\n<li><a href=\"#toc-3-thiet-ke-chi-tiet-thong-so-khuyen-nghi\">Thi\u1ebft k\u1ebf chi ti\u1ebft: th\u00f4ng s\u1ed1 khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-4-quy-trinh-thi-cong-tung-buoc\">Quy tr\u00ecnh thi c\u00f4ng t\u1eebng b\u01b0\u1edbc<\/a><\/li>\n<li><a href=\"#toc-5-an-toan-lao-dong-va-bao-ve-hien-truong\">An to\u00e0n lao \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 hi\u1ec7n tr\u01b0\u1eddng<\/a><\/li>\n<li><a href=\"#toc-6-kiem-soat-chat-luong-va-kiem-dinh\">Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ki\u1ec3m \u0111\u1ecbnh<\/a><\/li>\n<li><a href=\"#toc-7-du-toan-chi-phi-va-tien-do-tham-khao-ha-noi\">D\u1ef1 to\u00e1n chi ph\u00ed v\u00e0 ti\u1ebfn \u0111\u1ed9 tham kh\u1ea3o (H\u00e0 N\u1ed9i)<\/a><\/li>\n<li><a href=\"#toc-8-bao-tri-va-ve-sinh-de-inox-ben-dep\">B\u1ea3o tr\u00ec v\u00e0 v\u1ec7 sinh \u0111\u1ec3 Inox b\u1ec1n \u0111\u1eb9p<\/a><\/li>\n<li><a href=\"#toc-9-loi-thuong-gap-va-cach-tranh\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-10-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<li><a href=\"#toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Lan can v\u00e0 c\u1ea7u thang Inox l\u00e0 h\u1ea1ng m\u1ee5c then ch\u1ed1t trong x\u00e2y d\u1ef1ng d\u00e2n d\u1ee5ng v\u00e0 k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh: v\u1eeba \u0111\u1ea3m b\u1ea3o an to\u00e0n, v\u1eeba t\u1ea1o \u0111i\u1ec3m nh\u1ea5n th\u1ea9m m\u1ef9. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng chi ti\u1ebft, b\u00e1m s\u00e1t y\u00eau c\u1ea7u an to\u00e0n, t\u1ea3i tr\u1ecdng, ch\u1ecdn m\u00e1c th\u00e9p ph\u00f9 h\u1ee3p kh\u00ed h\u1eadu Vi\u1ec7t Nam (\u0111\u1eb7c bi\u1ec7t H\u00e0 N\u1ed9i), c\u00f9ng quy tr\u00ecnh l\u1eafp \u0111\u1eb7t, ki\u1ec3m \u0111\u1ecbnh v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-0-yeu-cau-phap-ly-kich-thuoc-va-tai-trong-thiet-ke\">Y\u00eau c\u1ea7u ph\u00e1p l\u00fd, k\u00edch th\u01b0\u1edbc v\u00e0 t\u1ea3i tr\u1ecdng thi\u1ebft k\u1ebf<\/h2>\n<p>Thi\u1ebft k\u1ebf ph\u1ea3i \u0111\u00e1p \u1ee9ng quy chu\u1ea9n\/quy \u0111\u1ecbnh hi\u1ec7n h\u00e0nh (QCVN\/TCVN) v\u00e0 y\u00eau c\u1ea7u c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0. Khi ch\u01b0a c\u00f3 quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 cho tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c th\u00f9, c\u00f3 th\u1ec3 tham kh\u1ea3o c\u00e1c gi\u00e1 tr\u1ecb khuy\u1ebfn ngh\u1ecb qu\u1ed1c t\u1ebf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/p>\n<h3>Chi\u1ec1u cao, khe h\u1edf, k\u00edch th\u01b0\u1edbc tay v\u1ecbn<\/h3>\n<p>&#8211; Lan can ban c\u00f4ng, logia: chi\u1ec1u cao t\u1ed1i thi\u1ec3u 1200 mm (khuy\u1ebfn ngh\u1ecb 1200\u20131300 mm cho nh\u00e0 \u1edf; khu c\u00f4ng c\u1ed9ng c\u00f3 th\u1ec3 cao h\u01a1n).<br \/>\n&#8211; Tay v\u1ecbn c\u1ea7u thang: cao 900\u20131050 mm t\u00ednh t\u1eeb m\u0169i b\u1eadc; v\u1edbi tr\u1ebb em n\u00ean b\u1ed1 tr\u00ed tay v\u1ecbn ph\u1ee5 600\u2013750 mm.<br \/>\n&#8211; Khe h\u1edf th\u00f4ng th\u1ee7y gi\u1eefa c\u00e1c thanh \u0111\u1ee9ng: \u2264 100 mm \u0111\u1ec3 ch\u1ed1ng l\u1ecdt \u0111\u1ea7u tr\u1ebb em.<br \/>\n&#8211; H\u1ea1n ch\u1ebf thanh ngang d\u1ec5 leo t\u1ea1i khu v\u1ef1c c\u00f3 tr\u1ebb em; \u01b0u ti\u00ean thanh \u0111\u1ee9ng, k\u00ednh ho\u1eb7c t\u1ea5m \u0111\u1eb7c.<br \/>\n&#8211; B\u1ec1 m\u1eb7t tay v\u1ecbn: \u00eam, kh\u00f4ng g\u00f3c s\u1eafc; \u0111\u01b0\u1eddng k\u00ednh\/chu vi n\u1eafm tay ph\u1ed5 bi\u1ebfn: \u00d838\u201350 mm (42.4 mm r\u1ea5t th\u00f4ng d\u1ee5ng) cho c\u1ea3m gi\u00e1c n\u1eafm t\u1ed1t.<\/p>\n<h3>T\u1ea3i tr\u1ecdng t\u00e1c d\u1ee5ng l\u00ean lan can<\/h3>\n<p>Khuy\u1ebfn ngh\u1ecb t\u1ed1i thi\u1ec3u (tham kh\u1ea3o chu\u1ea9n qu\u1ed1c t\u1ebf, ki\u1ec3m tra v\u1edbi TCVN\/thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u):<br \/>\n&#8211; T\u1ea3i ph\u00e2n b\u1ed1 theo chi\u1ec1u ngang t\u1ea1i \u0111\u1ec9nh lan can (line load):<br \/>\n  &#8211; Nh\u00e0 \u1edf: \u2265 0.75 kN\/m.<br \/>\n  &#8211; Khu c\u00f4ng c\u1ed9ng, h\u1ed9i tr\u01b0\u1eddng, tr\u01b0\u1eddng h\u1ecdc: 1.0\u20133.0 kN\/m t\u00f9y m\u1ee9c r\u1ee7i ro v\u00e0 m\u1eadt \u0111\u1ed9 ng\u01b0\u1eddi.<br \/>\n&#8211; T\u1ea3i t\u1eadp trung t\u1ea1i b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o tr\u00ean \u0111\u1ec9nh lan can: \u2265 1.0 kN.<br \/>\n&#8211; T\u1ea3i l\u00ean ph\u1ea7n l\u1ea5p \u0111\u1ea7y (infill nh\u01b0 k\u00ednh, nan): \u2265 0.5 kN\/m\u00b2.<br \/>\n&#8211; \u0110\u1ed9 v\u00f5ng cho ph\u00e9p t\u1ea1i \u0111\u1ec9nh lan can: ki\u1ec3m so\u00e1t L\/200 ho\u1eb7c \u2264 35 mm (ch\u1ecdn tr\u1ecb nh\u1ecf h\u01a1n), kh\u00f4ng g\u00e2y ph\u00e1 ho\u1ea1i li\u00ean k\u1ebft.<\/p>\n<h3>Y\u00eau c\u1ea7u PCCC v\u00e0 tho\u00e1t n\u1ea1n li\u00ean quan c\u1ea7u thang<\/h3>\n<p>&#8211; B\u1ec1 r\u1ed9ng v\u1ebf thang, chi\u1ebfu ngh\u1ec9, tay v\u1ecbn \u0111\u00f4i theo ch\u1ee9c n\u0103ng c\u00f4ng tr\u00ecnh v\u00e0 quy chu\u1ea9n PCCC.<br \/>\n&#8211; B\u1ec1 m\u1eb7t b\u1eadc ch\u1ed1ng tr\u01b0\u1ee3t; m\u0169i b\u1eadc c\u00f3 n\u1eb9p ch\u1ed1ng tr\u01b0\u1ee3t ho\u1eb7c r\u00e3nh.<br \/>\n&#8211; Kh\u00f4ng \u0111\u1ec3 v\u1eadt c\u1ea3n chi\u1ebfm d\u1ee5ng b\u1ec1 r\u1ed9ng tho\u00e1t n\u1ea1n; tay v\u1ecbn kh\u00f4ng l\u1ed3i ra qu\u00e1 m\u1ee9c l\u00e0m thu h\u1eb9p l\u1ed1i \u0111i y\u00eau c\u1ea7u.<\/p>\n<h2 id=\"toc-1-lua-chon-vat-lieu-inox-va-phu-kien\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u Inox v\u00e0 ph\u1ee5 ki\u1ec7n<\/h2>\n<p>Ch\u1ecdn \u0111\u00fang m\u00e1c th\u00e9p v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n trong m\u00f4i tr\u01b0\u1eddng Vi\u1ec7t Nam (\u1ea9m, m\u01b0a axit, b\u1ee5i m\u1ecbn, mu\u1ed1i \u0111\u01b0\u1eddng).<\/p>\n<h3>So s\u00e1nh m\u00e1c Inox 201, 304, 316<\/h3>\n<p>&#8211; Inox 201: chi ph\u00ed th\u1ea5p, ch\u1ed1ng \u0103n m\u00f2n k\u00e9m; ch\u1ec9 d\u00f9ng n\u1ed9i th\u1ea5t kh\u00f4, \u00edt h\u01a1i \u1ea9m, kh\u00f4ng khuy\u1ebfn ngh\u1ecb ngo\u00e0i tr\u1eddi.<br \/>\n&#8211; Inox 304: ti\u00eau chu\u1ea9n cho ngo\u00e0i tr\u1eddi \u0111\u00f4 th\u1ecb (H\u00e0 N\u1ed9i), x\u01b0\u1edfng s\u1ea3n xu\u1ea5t kh\u00f4; kh\u00e1ng \u0103n m\u00f2n t\u1ed1t cho m\u01b0a axit nh\u1eb9.<br \/>\n&#8211; Inox 316\/316L: c\u00f3 Mo, ch\u1ed1ng r\u1ed7 pitting t\u1ed1t; d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t: ven bi\u1ec3n, h\u1ed3 b\u01a1i (clorua), khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, khu v\u1ef1c x\u1ecbt mu\u1ed1i \u0111\u01b0\u1eddng.<br \/>\nKhuy\u1ebfn ngh\u1ecb: 304 cho \u0111a s\u1ed1 h\u1ea1ng m\u1ee5c t\u1ea1i H\u00e0 N\u1ed9i; 316 cho c\u00f4ng tr\u00ecnh cao c\u1ea5p\/kh\u1eafc nghi\u1ec7t; tr\u00e1nh 201 \u1edf khu v\u1ef1c ngo\u00e0i tr\u1eddi.<\/p>\n<h3>D\u1ea1ng v\u1eadt li\u1ec7u v\u00e0 ti\u00eau chu\u1ea9n<\/h3>\n<p>&#8211; \u1ed0ng\/h\u1ed9p c\u01a1 kh\u00ed: ASTM A554 (\u1ed1ng trang tr\u00ed\u2013tay v\u1ecbn, tr\u1ee5), k\u00edch th\u01b0\u1edbc th\u00f4ng d\u1ee5ng:<br \/>\n  &#8211; Tay v\u1ecbn tr\u00f2n: \u00d838.1\/42.4\/50.8 mm, d\u00e0y 1.2\u20132.0 mm.<br \/>\n  &#8211; Tr\u1ee5: \u00d850.8 x 1.5\u20132.0 mm; h\u1ed9p 40&#215;40\/50&#215;50 x 1.5\u20132.5 mm.<br \/>\n&#8211; \u1ed0ng ch\u1ecbu \u00e1p\/l\u1eafp \u0111\u1eb7t \u0111\u1eb7c th\u00f9: ASTM A312 (schedule).<br \/>\n&#8211; T\u1ea5m, b\u1ea3n m\u00e3: ASTM A240.<br \/>\n&#8211; Bulong\/\u0111ai \u1ed1c\/thanh ren: stainless theo ASTM F593\/F594 (304\/316); tr\u00e1nh d\u00f9ng th\u00e9p \u0111en v\u1edbi Inox \u0111\u1ec3 ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; K\u00ednh: c\u01b0\u1eddng l\u1ef1c d\u00e1n (tempered-laminated) 8+8 mm, 10+10 mm; ph\u1ee5 ki\u1ec7n k\u1eb9p k\u00ednh b\u1eb1ng Inox 316, c\u00f3 gio\u0103ng EPDM.<\/p>\n<h3>Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h3>\n<p>&#8211; 2B: m\u1edd c\u00f4ng nghi\u1ec7p, \u00edt d\u00f9ng cho l\u1ed9 thi\u00ean.<br \/>\n&#8211; Hairline\/No.4 (HL): x\u01b0\u1edbc m\u1ecbn d\u1ecdc; ph\u1ed5 bi\u1ebfn cho tay v\u1ecbn\/tr\u1ee5 v\u00ec d\u1ec5 che tr\u1ea7y x\u01b0\u1edbc, v\u1ec7 sinh thu\u1eadn.<br \/>\n&#8211; No.8 Mirror: b\u00f3ng g\u01b0\u01a1ng, sang tr\u1ecdng nh\u01b0ng l\u1ed9 v\u1ebft x\u01b0\u1edbc\/fingerprint, \u0111\u00f2i h\u1ecfi b\u1ea3o tr\u00ec k\u1ef9.<br \/>\n&#8211; Y\u00eau c\u1ea7u sau h\u00e0n: m\u00e0i tinh (grit #320\u2013#400), t\u1ea9y x\u1ec9 v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a (passivation) theo ASTM A967\/A380 \u0111\u1ec3 ph\u1ee5c h\u1ed3i l\u1edbp th\u1ee5 \u0111\u1ed9ng ch\u1ed1ng g\u1ec9.<\/p>\n<h3>Ph\u1ee5 ki\u1ec7n v\u00e0 v\u1eadt t\u01b0 ph\u1ee5<\/h3>\n<p>&#8211; K\u00ea c\u00e1ch \u0111i\u1ec7n: \u0111\u1ec7m nylon\/teflon\/EPDM t\u1ea1i ti\u1ebfp x\u00fac v\u1edbi th\u00e9p carbon\/nh\u00f4m \u0111\u1ec3 ng\u1eeba \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; Neo: h\u00f3a ch\u1ea5t (Hilti\/Fischer\/Bosch) ho\u1eb7c c\u01a1 kh\u00ed (n\u1edf r\u00fat); ch\u1ecdn theo t\u1ea3i v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng.<br \/>\n&#8211; Keo tr\u00e1m: PU\/silicone trung t\u00ednh cho ch\u1ed1ng th\u1ea5m t\u1ea1i ch\u00e2n tr\u1ee5, s\u01b0\u1eddn b\u1eadc; tr\u00e1nh silicone ch\u1ee9a chloride.<\/p>\n<h2 id=\"toc-2-giai-phap-ket-cau-lan-can-cau-thang-dien-hinh\">Gi\u1ea3i ph\u00e1p k\u1ebft c\u1ea5u lan can, c\u1ea7u thang \u0111i\u1ec3n h\u00ecnh<\/h2>\n<h3>Lan can thanh \u0111\u1ee9ng (baluster)<\/h3>\n<p>&#8211; Tr\u1ee5 ch\u00ednh c\u00e1ch 900\u20131200 mm; gi\u1eefa c\u00e1c tr\u1ee5 ch\u00ednh c\u00f3 th\u1ec3 th\u00eam tr\u1ee5 ph\u1ee5 600\u2013800 mm n\u1ebfu d\u00f9ng \u1ed1ng m\u1ecfng.<br \/>\n&#8211; Thanh \u0111\u1ee9ng \u00d816\u201325 mm ho\u1eb7c h\u1ed9p 12&#215;12\/16&#215;16 mm; khe h\u1edf \u2264 100 mm.<br \/>\n&#8211; Tay v\u1ecbn li\u00ean t\u1ee5c, n\u1ed1i b\u1eb1ng cuff\/\u0111\u1ea7u n\u1ed1i Inox ho\u1eb7c h\u00e0n k\u00edn m\u00e0i ph\u1eb3ng.<\/p>\n<h3>Lan can k\u00ednh<\/h3>\n<p>&#8211; K\u1eb9p h\u00f4ng (D-clamp) g\u1eafn tr\u1ee5, k\u00ednh d\u00e0y 10+10 mm d\u00f9ng cho nh\u00e0 \u1edf; khu c\u00f4ng c\u1ed9ng c\u00e2n nh\u1eafc t\u0103ng chi\u1ec1u d\u00e0y theo t\u1ea3i.<br \/>\n&#8211; Tr\u1ee5 l\u00f9n\/spigot ho\u1eb7c ch\u00e2n \u0111\u1ebf point-fixing (standoff): y\u00eau c\u1ea7u b\u00ea t\u00f4ng n\u1ec1n \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9, neo \u0111\u1ea1t t\u1ea3i; n\u00ean c\u00f3 tay v\u1ecbn top rail b\u1ea3o v\u1ec7 m\u00e9p k\u00ednh.<br \/>\n&#8211; B\u1eaft bu\u1ed9c d\u00f9ng gio\u0103ng EPDM v\u00e0 n\u00eam ch\u1ed1ng rung, khe h\u1edf 10\u201315 mm v\u1edbi s\u00e0n \u0111\u1ec3 tho\u00e1t n\u01b0\u1edbc.<\/p>\n<h3>C\u1ea7u thang Inox<\/h3>\n<p>&#8211; Tay v\u1ecbn \u1ed1ng \u00d842.4\/50.8 mm; con ti\u1ec7n tr\u1ee5 \u00d838\u201350.8 mm ho\u1eb7c h\u1ed9p 40&#215;40 mm.<br \/>\n&#8211; X\u01b0\u01a1ng thang: c\u00f3 th\u1ec3 d\u00f9ng th\u00e9p carbon m\u1ea1\/\u0111\u1eafp Inox \u1ed1p ngo\u00e0i; ho\u1eb7c to\u00e0n b\u1ed9 Inox cho m\u00f4i tr\u01b0\u1eddng \u1ea9m\/\u0103n m\u00f2n.<br \/>\n&#8211; H\u00ecnh h\u1ecdc b\u1eadc: chi\u1ec1u cao b\u1eadc 150\u2013175 mm; chi\u1ec1u r\u1ed9ng m\u1eb7t b\u1eadc 250\u2013300 mm; c\u00f4ng th\u1ee9c ti\u1ec7n nghi 2R + T \u2248 600\u2013630 mm. B\u1ed5 sung n\u1eb9p ch\u1ed1ng tr\u01b0\u1ee3t t\u1ea1i m\u0169i b\u1eadc.<\/p>\n<h3>Bi\u1ebfn d\u1ea1ng nhi\u1ec7t v\u00e0 m\u1ed1i n\u1ed1i<\/h3>\n<p>&#8211; Inox gi\u00e3n n\u1edf kho\u1ea3ng 16\u201317\u00d710^-6\/K. B\u1ed1 tr\u00ed m\u1ed1i n\u1ed1i tr\u01b0\u1ee3t ho\u1eb7c kh\u1edbp co gi\u00e3n cho tay v\u1ecbn d\u00e0i > 6\u20138 m, \u0111\u1eb7c bi\u1ec7t ngo\u00e0i tr\u1eddi.<\/p>\n<h3>Ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a, tho\u00e1t n\u01b0\u1edbc<\/h3>\n<p>&#8211; Tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp Inox v\u1edbi th\u00e9p \u0111en\/nh\u00f4m t\u1ea1i v\u1ecb tr\u00ed \u1ea9m \u01b0\u1edbt; d\u00f9ng \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n.<br \/>\n&#8211; Khoan l\u1ed7 tho\u00e1t n\u01b0\u1edbc t\u1ea1i c\u1ea5u ki\u1ec7n r\u1ed7ng l\u1ed9 thi\u00ean; b\u1ecbt \u0111\u1ea7u \u1ed1ng b\u1eb1ng n\u1eafp k\u00edn sau khi x\u1eed l\u00fd b\u00ean trong.<\/p>\n<h2 id=\"toc-3-thiet-ke-chi-tiet-thong-so-khuyen-nghi\">Thi\u1ebft k\u1ebf chi ti\u1ebft: th\u00f4ng s\u1ed1 khuy\u1ebfn ngh\u1ecb<\/h2>\n<h3>K\u00edch th\u01b0\u1edbc c\u1ea5u ki\u1ec7n v\u00e0 kho\u1ea3ng c\u00e1ch<\/h3>\n<p>&#8211; Tay v\u1ecbn: \u00d842.4 x 1.5\u20132.0 mm (304\/316), chi\u1ec1u d\u00e0i nh\u1ecbp gi\u1eefa gi\u00e1 \u0111\u1ee1 800\u20131200 mm.<br \/>\n&#8211; Tr\u1ee5: \u00d850.8 x 1.5\u20132.0 mm ho\u1eb7c h\u1ed9p 40&#215;40 x 2.0 mm; b\u01b0\u1edbc tr\u1ee5 900\u20131200 mm t\u00f9y t\u1ea3i.<br \/>\n&#8211; B\u1ea3n m\u00e3 ch\u00e2n tr\u1ee5: d\u00e0y 8\u201310 mm, k\u00edch th\u01b0\u1edbc 120&#215;120\u2013150&#215;150 mm; c\u00f3 s\u01b0\u1eddn t\u0103ng c\u1ee9ng n\u1ebfu tr\u1ee5 cao > 1.1 m.<br \/>\n&#8211; V\u1ecf \u1ed1p che b\u1ea3n m\u00e3 (cover) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o th\u1ea9m m\u1ef9 v\u00e0 ch\u1ed1ng \u0111\u1ecdng n\u01b0\u1edbc.<\/p>\n<h3>Neo ch\u00e2n tr\u1ee5 v\u00e0o b\u00ea t\u00f4ng\/th\u00e9p<\/h3>\n<p>&#8211; H\u00f3a ch\u1ea5t: thanh ren M12\u2013M16, chi\u1ec1u s\u00e2u c\u1ea5y 100\u2013140 mm (ph\u1ee5 thu\u1ed9c m\u00e1c b\u00ea t\u00f4ng v\u00e0 t\u1ea3i; theo t\u00e0i li\u1ec7u h\u00e3ng neo). C\u1ef1 ly m\u00e9p l\u1ed7 t\u1edbi c\u1ea1nh b\u00ea t\u00f4ng: \u2265 80 mm cho M12, \u2265 100 mm cho M16. Khoan c\u1eaft c\u1ed1t th\u00e9p: d\u00f9ng m\u00e1y d\u00f2 \u0111\u1ec3 tr\u00e1nh c\u1ed1t ch\u1ee7.<br \/>\n&#8211; N\u1edf c\u01a1 kh\u00ed: d\u00f9ng cho b\u00ea t\u00f4ng \u0111\u1eb7c, kh\u00f4ng d\u00f9ng tr\u00ean b\u00ea t\u00f4ng y\u1ebfu\/r\u1ed7ng; ki\u1ec3m tra m\u00f4-men si\u1ebft theo khuy\u1ebfn c\u00e1o.<br \/>\n&#8211; Li\u00ean k\u1ebft v\u1edbi th\u00e9p k\u1ebft c\u1ea5u: t\u1ea5m \u0111\u1ebf c\u00f3 l\u1ed7 oval\/\u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n; s\u1eed d\u1ee5ng bulong Inox A4 (316) ngo\u00e0i tr\u1eddi.<\/p>\n<h3>Chi ti\u1ebft h\u00e0n, m\u1ed1i n\u1ed1i<\/h3>\n<p>&#8211; Quy tr\u00ecnh: TIG (GTAW) d\u00f9ng d\u00e2y ER308L\/ER316L; h\u1ea1n ch\u1ebf nhi\u1ec7t, h\u00e0n nhi\u1ec1u l\u1edbp m\u1ecfng; che kh\u00ed b\u00ean trong \u0111\u1ed1i v\u1edbi m\u1ed1i h\u00e0n xuy\u00ean.<br \/>\n&#8211; Sau h\u00e0n: m\u00e0i ph\u1eb3ng \u0111\u1ed3ng h\u01b0\u1edbng, t\u1ea9y x\u1ec9, r\u1eeda axit th\u1ee5 \u0111\u1ed9ng h\u00f3a (gel citric\/nitric), r\u1eeda n\u01b0\u1edbc s\u1ea1ch; th\u1eed mu\u1ed1i phun nh\u1eb9 n\u1ebfu y\u00eau c\u1ea7u.<br \/>\n&#8211; N\u1ed1i tay v\u1ecbn: \u01b0u ti\u00ean n\u1ed1i c\u01a1 kh\u00ed b\u1eb1ng coupler ch\u00ecm \u0111\u1ec3 b\u1ea3o tr\u00ec; n\u1ebfu h\u00e0n, ph\u1ea3I m\u00e0i v\u00e0 \u0111\u00e1nh b\u00f3ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<h3>Lan can k\u00ednh: \u0111\u1ed9 d\u00e0y v\u00e0 ph\u1ee5 ki\u1ec7n<\/h3>\n<p>&#8211; Nh\u00e0 \u1edf: k\u00ednh d\u00e1n 8+8 ho\u1eb7c 10+10 mm; c\u00f4ng c\u1ed9ng: c\u00e2n nh\u1eafc 10+10\/12+12 mm v\u00e0 t\u0103ng m\u1eadt \u0111\u1ed9 tr\u1ee5\/k\u1eb9p.<br \/>\n&#8211; K\u1eb9p k\u00ednh: Inox 316, c\u00f3 ch\u1ed1t an to\u00e0n ch\u1ed1ng tu\u1ed9t; t\u1ed1i thi\u1ec3u 4 k\u1eb9p\/t\u1ea5m ti\u00eau chu\u1ea9n 1\u20131.2 m chi\u1ec1u d\u00e0i; ki\u1ec3m tra t\u1ea3i clamp theo catalog.<br \/>\n&#8211; Lu\u00f4n c\u00f3 tay v\u1ecbn tr\u00ean c\u00f9ng (cap rail) b\u1ea3o v\u1ec7 m\u00e9p k\u00ednh v\u00e0 ph\u00e2n ph\u1ed1i t\u1ea3i.<\/p>\n<h2 id=\"toc-4-quy-trinh-thi-cong-tung-buoc\">Quy tr\u00ecnh thi c\u00f4ng t\u1eebng b\u01b0\u1edbc<\/h2>\n<h3>1) Kh\u1ea3o s\u00e1t v\u00e0 thi\u1ebft k\u1ebf<\/h3>\n<p>&#8211; \u0110o \u0111\u1ea1c hi\u1ec7n tr\u1ea1ng, x\u00e1c \u0111\u1ecbnh cao \u0111\u1ed9 ho\u00e0n thi\u1ec7n, v\u1ecb tr\u00ed c\u1ed1t th\u00e9p\/\u1ed1ng k\u1ef9 thu\u1eadt.<br \/>\n&#8211; X\u00e1c l\u1eadp ti\u00eau ch\u00ed t\u1ea3i tr\u1ecdng, chi\u1ec1u cao, kho\u1ea3ng h\u1edf, v\u1eadt li\u1ec7u (304\/316), b\u1ec1 m\u1eb7t (HL\/No.8).<br \/>\n&#8211; L\u1eadp b\u1ea3n v\u1ebd shop drawing, chi ti\u1ebft b\u1ea3n m\u00e3, neo, m\u1ed1i h\u00e0n, \u0111\u1ed9 d\u1ed1c, tho\u00e1t n\u01b0\u1edbc; tr\u00ecnh duy\u1ec7t mock-up n\u1ebfu c\u1ea7n.<\/p>\n<h3>2) Gia c\u00f4ng x\u01b0\u1edfng<\/h3>\n<p>&#8211; C\u1eaft, u\u1ed1n, h\u00e0n theo jig \u0111\u1ec3 ki\u1ec3m so\u00e1t sai s\u1ed1; th\u1eed l\u1eafp kh\u00f4.<br \/>\n&#8211; M\u00e0i\u2013\u0111\u00e1nh b\u00f3ng \u0111\u1ed3ng nh\u1ea5t; th\u1ee5 \u0111\u1ed9ng h\u00f3a h\u00f3a h\u1ecdc; r\u1eeda v\u00e0 s\u1ea5y kh\u00f4.<br \/>\n&#8211; B\u1ecdc m\u00e0ng PE b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t; \u0111\u00f3ng g\u00f3i c\u00f3 \u0111\u1ec7m ch\u1ed1ng tr\u1ea7y.<\/p>\n<h3>3) L\u1eafp \u0111\u1eb7t t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/h3>\n<p>&#8211; \u0110\u1ecbnh v\u1ecb v\u00e0 khoan neo: d\u00f9ng m\u00e1y d\u00f2 \u0111\u1ec3 tr\u00e1nh c\u1ed1t th\u00e9p, h\u00fat b\u1ee5i, l\u00e0m s\u1ea1ch l\u1ed7.<br \/>\n&#8211; L\u1eafp b\u1ea3n m\u00e3 v\u00e0 tr\u1ee5: c\u0103n ch\u1ec9nh plumb, si\u1ebft bulong theo m\u00f4-men quy \u0111\u1ecbnh; ch\u00e8n keo PU ch\u1ed1ng th\u1ea5m quanh l\u1ed7.<br \/>\n&#8211; L\u1eafp tay v\u1ecbn, thanh \u0111\u1ee9ng\/k\u1eb9p k\u00ednh: ki\u1ec3m tra khe h\u1edf \u2264 100 mm; l\u1eafp gio\u0103ng EPDM \u0111\u00fang v\u1ecb tr\u00ed.<br \/>\n&#8211; B\u1ecbt \u0111\u1ea7u \u1ed1ng, l\u1eafp \u1ed1p che; x\u1eed l\u00fd k\u00edn n\u01b0\u1edbc t\u1ea1i chi ti\u1ebft xuy\u00ean s\u00e0n\/balcony.<\/p>\n<h3>4) Ho\u00e0n thi\u1ec7n v\u00e0 nghi\u1ec7m thu<\/h3>\n<p>&#8211; V\u1ec7 sinh b\u1ec1 m\u1eb7t b\u1eb1ng dung d\u1ecbch trung t\u00ednh; kh\u00f4ng d\u00f9ng ch\u1ea5t t\u1ea9y ch\u1ee9a chloride.<br \/>\n&#8211; Ki\u1ec3m tra cao \u0111\u1ed9, th\u1eb3ng \u0111\u1ee9ng, khe h\u1edf, \u0111\u1ed9 c\u1ee9ng; th\u1eed t\u1ea3i t\u1ea1i ch\u1ed7 n\u1ebfu y\u00eau c\u1ea7u.<br \/>\n&#8211; B\u00e0n giao k\u00e8m h\u01b0\u1edbng d\u1eabn b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-5-an-toan-lao-dong-va-bao-ve-hien-truong\">An to\u00e0n lao \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 hi\u1ec7n tr\u01b0\u1eddng<\/h2>\n<p>&#8211; L\u00e0m vi\u1ec7c tr\u00ean cao: lan can t\u1ea1m, d\u00e2y an to\u00e0n, l\u01b0\u1edbi bao; khu v\u1ef1c b\u00ean d\u01b0\u1edbi c\u0103ng c\u1ea3nh b\u00e1o.<br \/>\n&#8211; H\u00e0n c\u1eaft: gi\u1ea5y ph\u00e9p hot work, b\u00ecnh ch\u1eefa ch\u00e1y, ch\u0103n ch\u1ed1ng l\u1eeda, che ch\u1eafn tia h\u1ed3 quang.<br \/>\n&#8211; Khoan c\u1ea5y: ki\u1ec3m so\u00e1t b\u1ee5i v\u00e0 ti\u1ebfng \u1ed3n; thu gom b\u00f9n khoan h\u00f3a ch\u1ea5t; kh\u00f4ng khoan s\u00e1t m\u00e9p g\u00e2y s\u1ee9t v\u1ee1 b\u00ea t\u00f4ng.<br \/>\n&#8211; B\u1ea3o v\u1ec7 ho\u00e0n thi\u1ec7n xung quanh b\u1eb1ng v\u00e1n\/m\u00fat; m\u1edf b\u1ecdc b\u1ea3o v\u1ec7 ch\u1ec9 khi b\u00e0n giao.<\/p>\n<h2 id=\"toc-6-kiem-soat-chat-luong-va-kiem-dinh\">Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 ki\u1ec3m \u0111\u1ecbnh<\/h2>\n<h3>Ti\u00eau ch\u00ed ki\u1ec3m tra ch\u00ednh<\/h3>\n<p>&#8211; Chi\u1ec1u cao tay v\u1ecbn\/lan can: \u0111\u1ea1t thi\u1ebft k\u1ebf (\u00b15 mm).<br \/>\n&#8211; Th\u1eb3ng \u0111\u1ee9ng tr\u1ee5: l\u1ec7ch \u2264 3 mm\/1 m; th\u1eb3ng h\u00e0ng tay v\u1ecbn l\u1ec7ch \u2264 2 mm\/2 m.<br \/>\n&#8211; Khe h\u1edf: \u2264 100 mm; m\u00e9p k\u00ednh c\u00e1ch s\u00e0n 10\u201315 mm \u0111\u1ed3ng \u0111\u1ec1u.<br \/>\n&#8211; M\u1ed1i h\u00e0n: li\u00ean t\u1ee5c, kh\u00f4ng r\u1ed7, kh\u00f4ng ch\u00e1y c\u1ea1nh; v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t \u0111\u01b0\u1ee3c th\u1ee5 \u0111\u1ed9ng h\u00f3a.<br \/>\n&#8211; Li\u00ean k\u1ebft: m\u00f4-men si\u1ebft bulong theo khuy\u1ebfn c\u00e1o; neo \u0111\u1ea1t chi\u1ec1u s\u00e2u\/\u00e9p l\u1ef1c y\u00eau c\u1ea7u.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng x\u01b0\u1edbc s\u00e2u, kh\u00f4ng l\u1eabn h\u1ea1t s\u1eaft; th\u1eed n\u01b0\u1edbc t\u1ea1i v\u1ecb tr\u00ed xuy\u00ean s\u00e0n kh\u00f4ng r\u00f2 r\u1ec9.<\/p>\n<h3>Th\u1eed t\u1ea3i hi\u1ec7n tr\u01b0\u1eddng (khuy\u1ebfn ngh\u1ecb)<\/h3>\n<p>&#8211; T\u1ea1o t\u1ea3i ngang 0.75\u20131.0 kN\/m b\u1eb1ng bao c\u00e1t\/c\u00e2n l\u1ef1c d\u1ecdc theo tay v\u1ecbn; \u0111o \u0111\u1ed9 v\u00f5ng t\u1ee9c th\u1eddi v\u00e0 d\u01b0.<br \/>\n&#8211; Th\u1eed k\u00e9o neo \u0111\u01a1n chi\u1ebfc theo ti\u00eau chu\u1ea9n h\u00e3ng neo (pull-out test) v\u1edbi 1\u20132% m\u1eabu v\u1ecb tr\u00ed quan tr\u1ecdng.<\/p>\n<h3>H\u1ed3 s\u01a1 b\u00e0n giao<\/h3>\n<p>&#8211; Ch\u1ee9ng ch\u1ec9 v\u1eadt li\u1ec7u (MTR) Inox 304\/316; ch\u1ee9ng ch\u1ec9 k\u00ednh, bulong.<br \/>\n&#8211; Ch\u1ee9ng nh\u1eadn quy tr\u00ecnh h\u00e0n, phi\u1ebfu th\u1ee5 \u0111\u1ed9ng h\u00f3a, nh\u1eadt k\u00fd l\u1eafp \u0111\u1eb7t.<br \/>\n&#8211; Bi\u00ean b\u1ea3n th\u1eed t\u1ea3i, bi\u00ean b\u1ea3n nghi\u1ec7m thu n\u1ed9i b\u1ed9 v\u00e0 v\u1edbi ch\u1ee7 \u0111\u1ea7u t\u01b0.<br \/>\n&#8211; H\u01b0\u1edbng d\u1eabn v\u1ec7 sinh\u2013b\u1ea3o tr\u00ec.<\/p>\n<h2 id=\"toc-7-du-toan-chi-phi-va-tien-do-tham-khao-ha-noi\">D\u1ef1 to\u00e1n chi ph\u00ed v\u00e0 ti\u1ebfn \u0111\u1ed9 tham kh\u1ea3o (H\u00e0 N\u1ed9i)<\/h2>\n<p>L\u01b0u \u00fd: Gi\u00e1 thay \u0111\u1ed5i theo m\u00e1c th\u00e9p, b\u1ec1 d\u00e0y, ki\u1ec3u d\u00e1ng, kh\u1ed1i l\u01b0\u1ee3ng, cao \u0111\u1ed9 thi c\u00f4ng.<br \/>\n&#8211; Lan can Inox thanh \u0111\u1ee9ng (304, tay v\u1ecbn \u00d842.4 x 1.5 mm, tr\u1ee5 \u00d850.8 x 1.5 mm): kho\u1ea3ng 1.300.000 \u2013 2.200.000 \u0111\/m.<br \/>\n&#8211; Lan can k\u00ednh k\u1eb9p tr\u1ee5 Inox 304 v\u1edbi k\u00ednh 10+10 mm: kho\u1ea3ng 1.800.000 \u2013 3.500.000 \u0111\/m.<br \/>\n&#8211; D\u00f9ng Inox 316: c\u1ed9ng th\u00eam 15\u201325% so v\u1edbi 304.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n No.8 g\u01b0\u01a1ng, chi ti\u1ebft u\u1ed1n cong ph\u1ee9c t\u1ea1p, v\u1ecb tr\u00ed thi c\u00f4ng kh\u00f3: c\u00f3 th\u1ec3 c\u1ed9ng 10\u201330%.<br \/>\nTi\u1ebfn \u0111\u1ed9: 30\u201345 ng\u00e0y cho 50\u2013100 m d\u00e0i (kh\u1ea3o s\u00e1t 3\u20135 ng\u00e0y; thi\u1ebft k\u1ebf\u2013duy\u1ec7t 5\u20137 ng\u00e0y; gia c\u00f4ng 10\u201320 ng\u00e0y; l\u1eafp \u0111\u1eb7t 7\u201310 ng\u00e0y; nghi\u1ec7m thu 3\u20135 ng\u00e0y).<\/p>\n<h2 id=\"toc-8-bao-tri-va-ve-sinh-de-inox-ben-dep\">B\u1ea3o tr\u00ec v\u00e0 v\u1ec7 sinh \u0111\u1ec3 Inox b\u1ec1n \u0111\u1eb9p<\/h2>\n<p>&#8211; Chu k\u1ef3 v\u1ec7 sinh: 1\u20133 th\u00e1ng\/l\u1ea7n t\u1ea1i H\u00e0 N\u1ed9i; 2\u20134 tu\u1ea7n\/l\u1ea7n \u1edf m\u00f4i tr\u01b0\u1eddng \u1ea9m\/\u00f4 nhi\u1ec5m cao. D\u00f9ng x\u00e0 ph\u00f2ng trung t\u00ednh, kh\u0103n m\u1ec1m, r\u1eeda n\u01b0\u1edbc s\u1ea1ch, lau kh\u00f4.<br \/>\n&#8211; Tr\u00e1nh: Javel\/ch\u1ea5t t\u1ea9y ch\u1ee9a chloride, b\u00f9i nh\u00f9i th\u00e9p; n\u1ebfu b\u1eaft bu\u1ed9c, r\u1eeda l\u1ea1i k\u1ef9 v\u00e0 trung h\u00f2a.<br \/>\n&#8211; X\u1eed l\u00fd \u1ed1 v\u00e0ng (tea-staining): d\u00f9ng dung d\u1ecbch l\u00e0m s\u1ea1ch Inox chuy\u00ean d\u1ee5ng ho\u1eb7c gel axit citric nh\u1eb9; sau \u0111\u00f3 r\u1eeda v\u00e0 lau kh\u00f4.<br \/>\n&#8211; V\u1ebft x\u01b0\u1edbc nh\u1eb9 tr\u00ean b\u1ec1 m\u1eb7t HL: \u0111\u00e1nh l\u1ea1i theo h\u01b0\u1edbng x\u01b0\u1edbc b\u1eb1ng pad m\u1ecbn (girt #320\u2013#400).<br \/>\n&#8211; Ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 6\u201312 th\u00e1ng: si\u1ebft l\u1ea1i bulong, ki\u1ec3m tra gio\u0103ng, tr\u00e1m l\u1ea1i keo h\u1edf, thay ph\u1ee5 ki\u1ec7n g\u1ec9.<\/p>\n<h2 id=\"toc-9-loi-thuong-gap-va-cach-tranh\">L\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; Ch\u1ecdn Inox 201 cho ngo\u00e0i tr\u1eddi: d\u1ec5 \u1ed1 g\u1ec9. Kh\u1eafc ph\u1ee5c: d\u00f9ng 304\/316, x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng h\u00f3a.<br \/>\n&#8211; \u1ed0ng qu\u00e1 m\u1ecfng (\u2264 1.0 mm) cho tay v\u1ecbn\/tr\u1ee5: rung l\u1eafc, kh\u00f4ng \u0111\u1ea1t t\u1ea3i. D\u00f9ng 1.5\u20132.0 mm.<br \/>\n&#8211; Khoan neo qu\u00e1 g\u1ea7n m\u00e9p, kh\u00f4ng qu\u00e9t b\u1ee5i l\u1ed7: gi\u1ea3m t\u1ea3i b\u00e1m d\u00ednh. Tu\u00e2n th\u1ee7 th\u00f4ng s\u1ed1 h\u00e3ng neo v\u00e0 v\u1ec7 sinh l\u1ed7 khoan.<br \/>\n&#8211; Kh\u00f4ng th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n: v\u00f9ng HAZ b\u1ecb \u1ed1 v\u00e0ng, r\u1ec9 n\u00e2u. B\u1eaft bu\u1ed9c passivation.<br \/>\n&#8211; D\u00f9ng bulong th\u00e9p \u0111en v\u1edbi Inox: \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a. D\u00f9ng bulong Inox \u0111\u1ed3ng c\u1ea5p v\u00e0 \u0111\u1ec7m c\u00e1ch \u0111i\u1ec7n.<br \/>\n&#8211; Thi\u1ebfu khe co gi\u00e3n cho tay v\u1ecbn d\u00e0i: cong v\u00eanh. B\u1ed1 tr\u00ed n\u1ed1i tr\u01b0\u1ee3t m\u1ed7i 6\u20138 m.<\/p>\n<h2 id=\"toc-10-cau-hoi-thuong-gap\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p>&#8211; N\u00ean ch\u1ecdn 304 hay 316 cho H\u00e0 N\u1ed9i? 304 \u0111\u00e1p \u1ee9ng \u0111a s\u1ed1; ch\u1ecdn 316 n\u1ebfu g\u1ea7n h\u1ed3 b\u01a1i, khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t, m\u00f4i tr\u01b0\u1eddng phun mu\u1ed1i, y\u00eau c\u1ea7u cao c\u1ea5p.<br \/>\n&#8211; C\u00f3 c\u1ea7n tay v\u1ecbn li\u00ean t\u1ee5c? C\u00f3, gi\u00fap truy\u1ec1n t\u1ea3i \u0111\u1ec1u, an to\u00e0n h\u01a1n; g\u00f3c cua d\u00f9ng co ch\u1eef U\/L m\u01b0\u1ee3t, tr\u00e1nh g\u00f3c s\u1eafc.<br \/>\n&#8211; Lan can k\u00ednh c\u00f3 c\u1ea7n tay v\u1ecbn tr\u00ean kh\u00f4ng? Khuy\u1ebfn ngh\u1ecb c\u00f3 \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00e9p k\u00ednh, t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 an to\u00e0n.<\/p>\n<h2 id=\"toc-11-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Lan can v\u00e0 c\u1ea7u thang Inox an to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o 4 tr\u1ee5 c\u1ed9t: ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u (\u01b0u ti\u00ean 304\/316), thi\u1ebft k\u1ebf theo t\u1ea3i tr\u1ecdng\u2013k\u00edch th\u01b0\u1edbc chu\u1ea9n (H \u2265 1.2 m, khe h\u1edf \u2264 100 mm, line load \u2265 0.75 kN\/m), chi ti\u1ebft li\u00ean k\u1ebft\u2013h\u00e0n\u2013neo \u0111\u1ea1t chu\u1ea9n v\u00e0 quy tr\u00ecnh thi c\u00f4ng\u2013ki\u1ec3m \u0111\u1ecbnh nghi\u00eam ng\u1eb7t. Tu\u00e2n th\u1ee7 c\u00e1c khuy\u1ebfn ngh\u1ecb tr\u00ean, k\u1ebft h\u1ee3p v\u1ec7 sinh\u2013b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3, b\u1ea1n s\u1ebd c\u00f3 h\u1ec7 lan can, c\u1ea7u thang Inox b\u1ec1n, ch\u1eafc v\u00e0 \u0111\u1eb9p trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu Vi\u1ec7t Nam.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chu\u1ea9n chi\u1ec1u cao, t\u1ea3i tr\u1ecdng, ch\u1ecdn Inox 304\/316, chi ti\u1ebft neo-h\u00e0n TIG, quy tr\u00ecnh thi c\u00f4ng v\u00e0 ki\u1ec3m \u0111\u1ecbnh gi\u00fap lan can, c\u1ea7u thang Inox b\u1ec1n, an to\u00e0n, th\u1ea9m m\u1ef9.<\/p>\n","protected":false},"author":7,"featured_media":1031,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1253","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\/1253","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=1253"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1253\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1031"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}