{"id":2150,"date":"2026-06-17T00:34:04","date_gmt":"2026-06-16T17:34:04","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/huong-dan-thiet-ke-thi-cong-lan-can-cau-thang-inox-an-toan-dung-chuan\/"},"modified":"2026-06-17T00:34:04","modified_gmt":"2026-06-16T17:34:04","slug":"huong-dan-thiet-ke-thi-cong-lan-can-cau-thang-inox-an-toan-dung-chuan","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/huong-dan-thiet-ke-thi-cong-lan-can-cau-thang-inox-an-toan-dung-chuan\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf thi c\u00f4ng lan can, c\u1ea7u thang Inox an to\u00e0n, \u0111\u00fang chu\u1ea9n"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-tieu-chuan-va-yeu-cau-phap-ly-cot-loi\">Ti\u00eau chu\u1ea9n v\u00e0 y\u00eau c\u1ea7u ph\u00e1p l\u00fd c\u1ed1t l\u00f5i<\/a><\/li>\n<li><a href=\"#toc-1-lua-chon-vat-lieu-inox-va-hoan-thien-be-mat\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u Inox v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-2-thiet-ke-ket-cau-kich-thuoc-tai-trong-va-tinh-nhan\">Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u: k\u00edch th\u01b0\u1edbc, t\u1ea3i tr\u1ecdng v\u00e0 t\u00ednh nhanh<\/a><\/li>\n<li><a href=\"#toc-3-lien-ket-va-neo-ban-ma-bu-long-hoa-chat-neo\">Li\u00ean k\u1ebft v\u00e0 neo: b\u1ea3n m\u00e3, bu l\u00f4ng, h\u00f3a ch\u1ea5t neo<\/a><\/li>\n<li><a href=\"#toc-4-gia-cong-han-xu-ly-be-mat\">Gia c\u00f4ng \u2013 h\u00e0n \u2013 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/a><\/li>\n<li><a href=\"#toc-5-thiet-ke-hinh-hoc-cau-thang-va-chi-tiet-an-toan-ng\">Thi\u1ebft k\u1ebf h\u00ecnh h\u1ecdc c\u1ea7u thang v\u00e0 chi ti\u1ebft an to\u00e0n ng\u01b0\u1eddi d\u00f9ng<\/a><\/li>\n<li><a href=\"#toc-6-quy-trinh-thi-cong-chuan-va-kiem-soat-chat-luong\">Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li>\n<li><a href=\"#toc-7-bao-tri-ve-sinh-de-duy-tri-tham-my-va-tuoi-tho\">B\u1ea3o tr\u00ec \u2013 v\u1ec7 sinh \u0111\u1ec3 duy tr\u00ec th\u1ea9m m\u1ef9 v\u00e0 tu\u1ed5i th\u1ecd<\/a><\/li>\n<li><a href=\"#toc-8-khuyen-nghi-cau-hinh-dien-hinh-theo-cong-nang\">Khuy\u1ebfn ngh\u1ecb c\u1ea5u h\u00ecnh \u0111i\u1ec3n h\u00ecnh theo c\u00f4ng n\u0103ng<\/a><\/li>\n<li><a href=\"#toc-9-cac-loi-thuong-gap-va-cach-tranh\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-10-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-11-bao-gia-va-toi-uu-chi-phi\">B\u00e1o gi\u00e1 v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed<\/a><\/li>\n<li><a href=\"#toc-12-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 ph\u1ed5 bi\u1ebfn trong x\u00e2y d\u1ef1ng d\u00e2n d\u1ee5ng v\u00e0 k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh nh\u1edd \u0111\u1ed9 b\u1ec1n, th\u1ea9m m\u1ef9 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. B\u00e0i vi\u1ebft n\u00e0y t\u1ed5ng h\u1ee3p ti\u00eau chu\u1ea9n, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, c\u00e1ch t\u00ednh v\u00e0 quy tr\u00ecnh thi c\u00f4ng \u0111\u1ec3 b\u1ea1n thi\u1ebft k\u1ebf \u2013 l\u1eafp \u0111\u1eb7t lan can, tay v\u1ecbn, h\u1ec7 c\u1ed9t tr\u1ee5 Inox an to\u00e0n, \u0111\u00fang k\u1ef9 thu\u1eadt v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed.<\/p>\n<h2 id=\"toc-0-tieu-chuan-va-yeu-cau-phap-ly-cot-loi\">Ti\u00eau chu\u1ea9n v\u00e0 y\u00eau c\u1ea7u ph\u00e1p l\u00fd c\u1ed1t l\u00f5i<\/h2>\n<p>&#8211; Chi\u1ec1u cao v\u00e0 khe h\u1edf:<br \/>\n  &#8211; Nh\u00e0 \u1edf, ban c\u00f4ng, logia: chi\u1ec1u cao lan can t\u1ed1i thi\u1ec3u 1.2 m; khe h\u1edf kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 100 mm (tham kh\u1ea3o QCVN 04:2019\/BXD \u2013 Nh\u00e0 chung c\u01b0).<br \/>\n  &#8211; Tay v\u1ecbn c\u1ea7u thang: cao 900\u20131000 mm t\u00ednh theo m\u0169i b\u1eadc.<br \/>\n&#8211; T\u1ea3i tr\u1ecdng lan can\/ban c\u00f4ng (tham kh\u1ea3o EN 1991-1-1 v\u00e0 BS 6180:2011 khi thi\u1ebft k\u1ebf chi ti\u1ebft; \u0111\u1ed3ng th\u1eddi \u0111\u1ed1i chi\u1ebfu TCVN 2737 \u2013 T\u1ea3i tr\u1ecdng v\u00e0 t\u00e1c \u0111\u1ed9ng):<br \/>\n  &#8211; Khu \u1edf (Category A): t\u1ea3i \u0111\u01b0\u1eddng t\u1ea1i \u0111\u1ec9nh lan can qk = 0.5 kN\/m; t\u1ea3i \u0111i\u1ec3m 0.5 kN.<br \/>\n  &#8211; V\u0103n ph\u00f2ng (B): qk = 0.5 kN\/m; t\u1ea3i \u0111i\u1ec3m 0.5 kN.<br \/>\n  &#8211; N\u01a1i c\u00f4ng c\u1ed9ng\/ th\u01b0\u01a1ng m\u1ea1i (C\/D): qk = 1.0\u20133.0 kN\/m; t\u1ea3i \u0111i\u1ec3m 1.0 kN; khu \u0111\u00f4ng ng\u01b0\u1eddi c\u00f3 th\u1ec3 t\u1edbi 3.0 kN\/m.<br \/>\n&#8211; An to\u00e0n ch\u00e1y: v\u1eadt li\u1ec7u kim lo\u1ea1i kh\u00f4ng ch\u00e1y; ph\u00f2ng ch\u00e1y tho\u00e1t n\u1ea1n tu\u00e2n th\u1ee7 QCVN 06:2022\/BXD.<br \/>\n&#8211; V\u1eadt li\u1ec7u:<br \/>\n  &#8211; \u1ed0ng\/h\u1ed9p Inox c\u01a1 kh\u00ed: ASTM A554.<br \/>\n  &#8211; T\u1ea5m\/ l\u00e1 Inox: ASTM A240; thanh tr\u00f2n\/\u0111\u1eb7c: ASTM A276.<br \/>\n  &#8211; Bulong\/ \u0111ai \u1ed1c Inox: ISO 3506-1 (A2 ~ 304; A4 ~ 316).<br \/>\n  &#8211; T\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n: ASTM A380\/A967.<\/p>\n<p>Ghi ch\u00fa: Lu\u00f4n \u01b0u ti\u00ean ti\u00eau chu\u1ea9n\/ quy chu\u1ea9n Vi\u1ec7t Nam \u0111ang hi\u1ec7u l\u1ef1c cho th\u1ee7 t\u1ee5c ph\u00e1p l\u00fd; s\u1eed d\u1ee5ng BS\/EN \u0111\u1ec3 tham kh\u1ea3o gi\u00e1 tr\u1ecb t\u1ea3i, ki\u1ec3m so\u00e1t d\u1ecbch v\u1ee5 v\u00e0 chi ti\u1ebft k\u1ef9 thu\u1eadt.<\/p>\n<h2 id=\"toc-1-lua-chon-vat-lieu-inox-va-hoan-thien-be-mat\">L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u Inox v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t<\/h2>\n<p>&#8211; M\u00e1c th\u00e9p khuy\u1ebfn ngh\u1ecb:<br \/>\n  &#8211; Inox 304 (A2): d\u00f9ng trong nh\u00e0, m\u00f4i tr\u01b0\u1eddng \u00edt chloride, chi ph\u00ed h\u1ee3p l\u00fd.<br \/>\n  &#8211; Inox 316 (A4): ngo\u1ea1i th\u1ea5t, g\u1ea7n bi\u1ec3n\/h\u1ed3 b\u01a1i, m\u00f4i tr\u01b0\u1eddng ho\u00e1 ch\u1ea5t nh\u1eb9.<br \/>\n  &#8211; H\u1ea1n ch\u1ebf Inox 201 cho lan can ngo\u00e0i tr\u1eddi do nguy c\u01a1 r\u1ec9 s\u00e9t k\u1ebd; ch\u1ec9 c\u00e2n nh\u1eafc n\u1ed9i th\u1ea5t kh\u00f4, kh\u00f4ng chloride v\u00e0 c\u00f3 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; K\u00edch th\u01b0\u1edbc t\u1ed1i thi\u1ec3u g\u1ee3i \u00fd:<br \/>\n  &#8211; Tay v\u1ecbn: \u00d838.1\u201350.8 mm (d\u00e0y 1.2\u20131.5 mm) ho\u1eb7c h\u1ed9p 40\u00d740\u201350\u00d750\u00d71.2\u20131.5 mm.<br \/>\n  &#8211; C\u1ed9t tr\u1ee5: \u00d842.4\u201360.3 mm ho\u1eb7c h\u1ed9p 50\u00d750\u201360\u00d760; b\u1ec1 d\u00e0y 2.0\u20133.0 mm t\u00f9y t\u1ea3i s\u1eed d\u1ee5ng.<br \/>\n  &#8211; B\u1ea3n m\u00e3 ch\u00e2n c\u1ed9t: 6\u201310 mm; c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng n\u00ean d\u00f9ng \u226510 mm.<br \/>\n&#8211; Ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t:<br \/>\n  &#8211; Hairline\/ Satin (180\u2013240 grit): \u00edt l\u1ed9 v\u1ebft tay, d\u1ec5 b\u1ea3o tr\u00ec.<br \/>\n  &#8211; G\u01b0\u01a1ng (No.8): th\u1ea9m m\u1ef9 cao nh\u01b0ng d\u1ec5 x\u01b0\u1edbc; c\u1ea7n b\u1ea3o v\u1ec7 t\u1ed1t.<br \/>\n  &#8211; Sau h\u00e0n: \u0111\u00e1nh b\u00f3ng, t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling\/passivation) theo ASTM A380\/A967 \u0111\u1ec3 ng\u0103n \u0103n m\u00f2n k\u1ebd v\u00e0 r\u1ed7.<\/p>\n<h2 id=\"toc-2-thiet-ke-ket-cau-kich-thuoc-tai-trong-va-tinh-nhan\">Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u: k\u00edch th\u01b0\u1edbc, t\u1ea3i tr\u1ecdng v\u00e0 t\u00ednh nhanh<\/h2>\n<h3>1) X\u00e1c \u0111\u1ecbnh k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng v\u00e0 th\u00f4ng s\u1ed1 \u0111\u1ea7u v\u00e0o<\/h3>\n<p>&#8211; Ph\u00e2n lo\u1ea1i c\u00f4ng n\u0103ng: nh\u00e0 \u1edf (A), v\u0103n ph\u00f2ng (B), c\u00f4ng c\u1ed9ng\/ th\u01b0\u01a1ng m\u1ea1i (C\/D).<br \/>\n&#8211; Chi\u1ec1u cao lan can h: 1.1\u20131.2 m.<br \/>\n&#8211; B\u01b0\u1edbc c\u1ed9t s: 900\u20131200 mm (nh\u00e0 \u1edf) ho\u1eb7c 600\u20131000 mm (c\u00f4ng c\u1ed9ng).<br \/>\n&#8211; T\u1ea3i \u0111\u01b0\u1eddng qk: theo ph\u00e2n lo\u1ea1i (0.5\u20133.0 kN\/m).<\/p>\n<h3>2) T\u00ednh nhanh c\u1ed9t tr\u1ee5 d\u1ea1ng c\u00f4ng-xon<\/h3>\n<p>&#8211; Gi\u1ea3 \u0111\u1ecbnh: m\u1ed7i c\u1ed9t nh\u1eadn l\u1ef1c ngang F \u2248 qk \u00d7 s t\u1ea1i cao \u0111\u1ed9 h.<br \/>\n&#8211; M\u00f4 men ch\u00e2n c\u1ed9t: M \u2248 F \u00d7 h = qk \u00d7 s \u00d7 h (kNm).<br \/>\n&#8211; \u1ee8ng su\u1ea5t u\u1ed1n cho ph\u00e9p: \u03c3all \u2248 0.6 \u00d7 Rp0.2 (\u0111\u1ed1i v\u1edbi Inox 304\/316, Rp0.2 \u2248 205 MPa \u21d2 \u03c3all \u2248 123 MPa).<br \/>\n&#8211; \u0110i\u1ec1u ki\u1ec7n: \u03c3 = M \/ Z \u2264 \u03c3all, v\u1edbi Z l\u00e0 m\u00f4 men ch\u1ed1ng u\u1ed1n c\u1ee7a ti\u1ebft di\u1ec7n c\u1ed9t.<br \/>\nV\u00ed d\u1ee5 g\u1ee3i \u00fd:<br \/>\n&#8211; Nh\u00e0 \u1edf (qk = 0.5 kN\/m), h = 1.1 m, s = 1.2 m \u21d2 M \u2248 0.66 kNm.<br \/>\n  &#8211; H\u1ed9p 50\u00d750\u00d72.0 mm (Inox 304) c\u00f3 Z \u2248 5,900 mm3 \u21d2 \u03c3 \u2248 112 MPa \u2192 \u0110\u1ea1t.<br \/>\n&#8211; C\u00f4ng c\u1ed9ng (qk = 1.0 kN\/m), h = 1.1 m, s = 1.2 m \u21d2 M \u2248 1.32 kNm.<br \/>\n  &#8211; H\u1ed9p 60\u00d760\u00d73.0 mm c\u00f3 Z \u2248 12,400 mm3 \u21d2 \u03c3 \u2248 107 MPa \u2192 \u0110\u1ea1t.<br \/>\nKhuy\u1ebfn ngh\u1ecb: D\u00f9ng ph\u1ea7n m\u1ec1m\/ k\u1ef9 s\u01b0 k\u1ebft c\u1ea5u \u0111\u1ec3 ki\u1ec3m tra chi ti\u1ebft trong tr\u01b0\u1eddng h\u1ee3p t\u1ea3i l\u1edbn (\u22651.0 kN\/m), v\u1eadt li\u1ec7u m\u1ecfng, ho\u1eb7c chi\u1ec1u cao >1.2 m.<\/p>\n<h3>3) \u0110\u1ed9 v\u00f5ng v\u00e0 rung<\/h3>\n<p>&#8211; Ki\u1ec3m so\u00e1t chuy\u1ec3n v\u1ecb ngang \u0111\u1ec9nh lan can d\u01b0\u1edbi t\u1ea3i \u0111\u1eb7c tr\u01b0ng: \u2264 25 mm (tham kh\u1ea3o BS 6180).<br \/>\n&#8211; H\u1ea1n ch\u1ebf rung tay v\u1ecbn b\u1eb1ng c\u00e1ch gi\u1ea3m b\u01b0\u1edbc c\u1ed9t, d\u00f9ng tay v\u1ecbn k\u00edn v\u00f2ng (kh\u00e9p m\u1ea1ch), t\u0103ng \u0111\u1ed9 c\u1ee9ng li\u00ean k\u1ebft ch\u00e2n c\u1ed9t.<\/p>\n<h3>4) Tay v\u1ecbn v\u00e0 lan can con<\/h3>\n<p>&#8211; Tay v\u1ecbn ch\u00ednh: \u1ed1ng \u00d842.4\u201350.8 mm ho\u1eb7c h\u1ed9p 50\u00d725 mm; th\u00e0nh d\u00e0y t\u1ed1i thi\u1ec3u 1.2\u20131.5 mm.<br \/>\n&#8211; Lan can con\/ thanh d\u1ecdc: kho\u1ea3ng c\u00e1ch th\u00f4ng th\u1ee7y \u2264 100 mm; tr\u00e1nh thanh ngang trong khu v\u1ef1c tr\u1ebb em leo tr\u00e8o.<br \/>\n&#8211; Infill k\u00ednh: k\u00ednh t\u00f4i\/ d\u00e1n an to\u00e0n; nh\u00e0 \u1edf 10\u201312 mm (tempered); c\u00f4ng c\u1ed9ng khuy\u1ebfn ngh\u1ecb 10+10 mm laminated (SGP\/PVB) v\u1edbi k\u1eb9p 316.<\/p>\n<h2 id=\"toc-3-lien-ket-va-neo-ban-ma-bu-long-hoa-chat-neo\">Li\u00ean k\u1ebft v\u00e0 neo: b\u1ea3n m\u00e3, bu l\u00f4ng, h\u00f3a ch\u1ea5t neo<\/h2>\n<p>&#8211; B\u1ea3n m\u00e3 ch\u00e2n c\u1ed9t:<br \/>\n  &#8211; Nh\u00e0 \u1edf: 120\u00d7120\u00d78 mm, 2\u20134 bulong M10\u2013M12.<br \/>\n  &#8211; C\u00f4ng c\u1ed9ng: 150\u00d7150\u00d710\u201312 mm, 4 bulong M12\u2013M16.<br \/>\n&#8211; Neo v\u00e0o b\u00ea t\u00f4ng:<br \/>\n  &#8211; D\u00f9ng bu l\u00f4ng n\u1edf c\u01a1 kh\u00ed ho\u1eb7c keo h\u00f3a ch\u1ea5t (chemical anchor) c\u00f3 ch\u1ee9ng nh\u1eadn ETA\/ICC-ES.<br \/>\n  &#8211; L\u1edbp b\u00ea t\u00f4ng t\u1ed1i thi\u1ec3u B20\u2013B25; kho\u1ea3ng c\u00e1ch m\u00e9p \u2265 8\u201310\u00d7\u0111\u01b0\u1eddng k\u00ednh bu l\u00f4ng; chi\u1ec1u s\u00e2u neo hi\u1ec7u d\u1ee5ng theo catalogue (M12 th\u01b0\u1eddng heff 90\u2013110 mm).<br \/>\n  &#8211; Si\u1ebft l\u1ef1c theo momen khuy\u1ebfn ngh\u1ecb; v\u1ec7 sinh l\u1ed7 khoan \u0111\u00fang quy tr\u00ecnh (th\u1ed5i \u2013 ch\u1ed5i \u2013 th\u1ed5i).<br \/>\n&#8211; Neo v\u00e0o th\u00e9p\/ g\u1ed7:<br \/>\n  &#8211; B\u1ea3n m\u00e3 b\u1eaft v\u00edt t\u1ef1 khoan Inox A2\/A4; ki\u1ec3m tra chi\u1ec1u d\u00e0y n\u1ec1n v\u00e0 s\u1ee9c ch\u1ecbu k\u00e9o \u2013 c\u1eaft c\u1ee7a v\u00edt theo nh\u00e0 s\u1ea3n xu\u1ea5t.<br \/>\n&#8211; C\u00e1ch \u0111i\u1ec7n ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a:<br \/>\n  &#8211; L\u00f3t \u0111\u1ec7m nh\u1ef1a\/ cao su gi\u1eefa Inox v\u00e0 th\u00e9p carbon\/ nh\u00f4m; d\u00f9ng v\u00f2ng \u0111\u1ec7m nylon cho bulong kh\u00e1c ch\u1ee7ng lo\u1ea1i.<\/p>\n<h2 id=\"toc-4-gia-cong-han-xu-ly-be-mat\">Gia c\u00f4ng \u2013 h\u00e0n \u2013 x\u1eed l\u00fd b\u1ec1 m\u1eb7t<\/h2>\n<p>&#8211; Quy tr\u00ecnh h\u00e0n:<br \/>\n  &#8211; TIG\/GTAW (\u0111\u1eb9p, \u00edt x\u1ec9) cho m\u1ed1i h\u00e0n l\u1ed9; MIG\/GMAW cho n\u0103ng su\u1ea5t cao.<br \/>\n  &#8211; V\u1eadt li\u1ec7u h\u00e0n: ER308L (cho 304), ER316L (cho 316); b\u1ea3o v\u1ec7 kh\u00ed Argon tinh khi\u1ebft.<br \/>\n  &#8211; Tr\u00e1nh qu\u00e1 nhi\u1ec7t \u0111\u1ec3 gi\u1ea3m \u1ed1 v\u00e0ng v\u00e0 bi\u1ebfn m\u00e0u; l\u00e0m m\u00e1t t\u1ef1 nhi\u00ean.<br \/>\n&#8211; X\u1eed l\u00fd sau h\u00e0n:<br \/>\n  &#8211; M\u00e0i tinh, vi\u1ec1n bo m\u00e9p \u2265 R1\u2013R2 mm t\u1ea1i tay v\u1ecbn.<br \/>\n  &#8211; T\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a (pickling paste\/ bath) theo ASTM A380\/A967; r\u1eeda s\u1ea1ch, trung h\u00f2a v\u00e0 s\u1ea5y kh\u00f4.<br \/>\n&#8211; D\u00e1n\/ g\u1eafn n\u1eafp b\u1ecbt k\u00edn \u0111\u1ea7u \u1ed1ng; b\u1ed1 tr\u00ed l\u1ed7 tho\u00e1t n\u01b0\u1edbc t\u1ea1i \u0111\u00e1y khu\u1ea5t \u0111\u1ec3 tr\u00e1nh t\u00edch t\u1ee5 \u1ea9m g\u00e2y \u0103n m\u00f2n k\u1ebd.<\/p>\n<h2 id=\"toc-5-thiet-ke-hinh-hoc-cau-thang-va-chi-tiet-an-toan-ng\">Thi\u1ebft k\u1ebf h\u00ecnh h\u1ecdc c\u1ea7u thang v\u00e0 chi ti\u1ebft an to\u00e0n ng\u01b0\u1eddi d\u00f9ng<\/h2>\n<p>&#8211; H\u00ecnh h\u1ecdc b\u1eadc:<br \/>\n  &#8211; \u0110\u1ed9 cao riser 150\u2013180 mm; m\u1eb7t b\u1eadc tread 250\u2013300 mm; quy t\u1eafc 2R + T \u2248 600\u2013630 mm.<br \/>\n  &#8211; H\u1edf b\u1eadc (n\u1ebfu c\u00f3): khe h\u1edf gi\u1eefa c\u00e1c b\u1eadc \u2264 100 mm.<br \/>\n&#8211; Chi\u1ec1u r\u1ed9ng c\u1ea7u thang:<br \/>\n  &#8211; Nh\u00e0 \u1edf: \u2265 900 mm; c\u00f4ng c\u1ed9ng: \u2265 1200 mm (tham kh\u1ea3o quy chu\u1ea9n s\u1eed d\u1ee5ng c\u1ee5 th\u1ec3).<br \/>\n&#8211; Tay v\u1ecbn:<br \/>\n  &#8211; Cao 900\u20131000 mm d\u1ecdc th\u00e2n thang; li\u00ean t\u1ee5c, kh\u00f4ng s\u1eafc c\u1ea1nh; k\u1ebft th\u00fac b\u1eb1ng \u0111o\u1ea1n cong tr\u1ea3 v\u1ec1 t\u01b0\u1eddng\/ c\u1ed9t \u0111\u1ec3 tr\u00e1nh v\u01b0\u1edbng m\u00f3c.<br \/>\n&#8211; Ch\u1ed1ng tr\u01b0\u1ee3t:<br \/>\n  &#8211; D\u00e1n\/ phay r\u00e3nh ch\u1ed1ng tr\u01b0\u1ee3t t\u1ea1i m\u0169i b\u1eadc; h\u1ec7 s\u1ed1 ma s\u00e1t \u01b0\u1edbt khuy\u1ebfn ngh\u1ecb \u2265 0.6 cho khu v\u1ef1c c\u00f4ng c\u1ed9ng.<br \/>\n&#8211; Chi\u1ebfu ngh\u1ec9:<br \/>\n  &#8211; B\u1ed1 tr\u00ed m\u1ed7i 12\u201316 b\u1eadc; chi\u1ec1u s\u00e2u kh\u00f4ng nh\u1ecf h\u01a1n chi\u1ec1u r\u1ed9ng thang.<\/p>\n<h2 id=\"toc-6-quy-trinh-thi-cong-chuan-va-kiem-soat-chat-luong\">Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n<h3>1) Kh\u1ea3o s\u00e1t \u2013 thi\u1ebft k\u1ebf shopdrawing<\/h3>\n<p>&#8211; \u0110o \u0111\u1ea1c th\u1ef1c t\u1ebf sai s\u1ed1 \u00b12 mm; ch\u1ed1t cao \u0111\u1ed9 ho\u00e0n thi\u1ec7n (FFL) v\u00e0 l\u1edbp ph\u1ee7 s\u00e0n.<br \/>\n&#8211; L\u1eadp b\u1ea3n v\u1ebd gia c\u00f4ng\/ l\u1eafp \u0111\u1eb7t: k\u00edch th\u01b0\u1edbc, s\u1ed1 hi\u1ec7u chi ti\u1ebft, v\u1ecb tr\u00ed m\u1ed1i h\u00e0n, khe co gi\u00e3n, lo\u1ea1i neo, m\u00e1c Inox, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t.<\/p>\n<h3>2) Gia c\u00f4ng t\u1ea1i x\u01b0\u1edfng<\/h3>\n<p>&#8211; C\u1eaft \u2013 u\u1ed1n b\u1eb1ng khu\u00f4n\/ con l\u0103n \u0111\u00fang b\u00e1n k\u00ednh; g\u00e1 l\u1eafp b\u1eb1ng \u0111\u1ed3 g\u00e1 c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 vu\u00f4ng v\u00e0 th\u1eb3ng.<br \/>\n&#8211; Dung sai l\u1eafp d\u1ef1ng:<br \/>\n  &#8211; \u0110\u1ed9 th\u1eb3ng \u0111\u1ee9ng c\u1ed9t: \u2264 2 mm\/m, t\u1ed5ng \u2264 5 mm\/to\u00e0n chi\u1ec1u cao.<br \/>\n  &#8211; \u0110\u1ed9 th\u1eb3ng tay v\u1ecbn: \u2264 3 mm\/3 m.<br \/>\n&#8211; Ki\u1ec3m tra m\u1ed1i h\u00e0n theo ISO 5817 (m\u1ee9c B\u2013C cho th\u1ea9m m\u1ef9); th\u1eed th\u1ea9m th\u1ea5u m\u00e0u cho m\u1ed1i h\u00e0n ch\u1ecbu l\u1ef1c h\u1edf.<\/p>\n<h3>3) L\u1eafp \u0111\u1eb7t t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/h3>\n<p>&#8211; \u0110\u1ecbnh v\u1ecb b\u1eb1ng d\u01b0\u1ee1ng khoan; ki\u1ec3m tra c\u1ed1t th\u00e9p ng\u1ea7m tr\u01b0\u1edbc khi khoan neo.<br \/>\n&#8211; Thi c\u00f4ng neo h\u00f3a ch\u1ea5t: l\u00e0m s\u1ea1ch l\u1ed7 \u2013 b\u01a1m keo \u2013 xoay c\u1ea5y bu l\u00f4ng \u0111\u1ebfn chi\u1ec1u s\u00e2u chu\u1ea9n \u2013 ch\u1edd \u0111\u1ee7 th\u1eddi gian \u0111\u00f4ng k\u1ebft theo nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<br \/>\n&#8211; C\u0103n ch\u1ec9nh, si\u1ebft bu l\u00f4ng theo momen; ch\u00e8n v\u1eefa kh\u00f4ng co (non-shrink grout) d\u01b0\u1edbi b\u1ea3n m\u00e3 n\u1ebfu c\u1ea7n.<br \/>\n&#8211; B\u1ecbt k\u00edn keo silicone trung t\u00ednh t\u1ea1i m\u1ed1i n\u1ed1i v\u1edbi v\u1eadt li\u1ec7u kh\u00e1c; kh\u00f4ng d\u00f9ng h\u00f3a ch\u1ea5t ch\u1ee9a chloride khi v\u1ec7 sinh.<br \/>\n&#8211; Th\u1eed t\u1ea3i hi\u1ec7n tr\u01b0\u1eddng (\u0111\u1ea9y ngang t\u1ea1i cao \u0111\u1ed9 tay v\u1ecbn):<br \/>\n  &#8211; Nh\u00e0 \u1edf: 0.5 kN\/m; c\u00f4ng c\u1ed9ng: theo thi\u1ebft k\u1ebf (1.0\u20133.0 kN\/m).<br \/>\n  &#8211; Quan s\u00e1t neo, bi\u1ebfn d\u1ea1ng \u0111\u1ec9nh lan can \u2264 25 mm (tham kh\u1ea3o BS 6180); kh\u00f4ng n\u1ee9t n\u1ec1n, kh\u00f4ng l\u1ecfng m\u1ed1i n\u1ed1i.<\/p>\n<h2 id=\"toc-7-bao-tri-ve-sinh-de-duy-tri-tham-my-va-tuoi-tho\">B\u1ea3o tr\u00ec \u2013 v\u1ec7 sinh \u0111\u1ec3 duy tr\u00ec th\u1ea9m m\u1ef9 v\u00e0 tu\u1ed5i th\u1ecd<\/h2>\n<p>&#8211; V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3:<br \/>\n  &#8211; Khu v\u1ef1c \u0111\u00f4 th\u1ecb\/ ven bi\u1ec3n: 1\u20132 th\u00e1ng\/l\u1ea7n v\u1edbi x\u00e0 ph\u00f2ng pH trung t\u00ednh; tr\u00e1ng n\u01b0\u1edbc s\u1ea1ch; lau kh\u00f4.<br \/>\n  &#8211; Tr\u00e1nh clo\/ axit m\u1ea1nh; kh\u00f4ng d\u00f9ng pad th\u00e9p carbon g\u00e2y nhi\u1ec5m s\u1eaft b\u1ec1 m\u1eb7t.<br \/>\n&#8211; Ki\u1ec3m tra h\u00e0ng n\u0103m:<br \/>\n  &#8211; Si\u1ebft l\u1ea1i li\u00ean k\u1ebft; thay ron, n\u1eafp b\u1ecbt; s\u01a1n\/ ph\u1ee7 b\u1ea3o v\u1ec7 th\u00e9p n\u1ec1n (n\u1ebfu c\u00f3 ti\u1ebfp x\u00fac).<br \/>\n&#8211; K\u1ebf ho\u1ea1ch b\u1ea3o d\u01b0\u1ee1ng: ghi nh\u1eadn ng\u00e0y v\u1ec7 sinh, thay th\u1ebf ph\u1ee5 ki\u1ec7n, \u1ea3nh hi\u1ec7n tr\u1ea1ng.<\/p>\n<h2 id=\"toc-8-khuyen-nghi-cau-hinh-dien-hinh-theo-cong-nang\">Khuy\u1ebfn ngh\u1ecb c\u1ea5u h\u00ecnh \u0111i\u1ec3n h\u00ecnh theo c\u00f4ng n\u0103ng<\/h2>\n<p>&#8211; Nh\u00e0 \u1edf\/ v\u0103n ph\u00f2ng nh\u1ecf (trong nh\u00e0):<br \/>\n  &#8211; C\u1ed9t h\u1ed9p 50\u00d750\u00d72.0 (Inox 304), tay v\u1ecbn \u00d842.4\u00d71.5; b\u01b0\u1edbc c\u1ed9t 1.0\u20131.2 m; b\u1ea3n m\u00e3 120\u00d7120\u00d78; 2\u20134 bulong M10\/M12.<br \/>\n&#8211; Ban c\u00f4ng ngo\u00e0i tr\u1eddi\/ khu th\u01b0\u01a1ng m\u1ea1i nh\u1eb9:<br \/>\n  &#8211; C\u1ed9t \u00d850.8\u00d72.0 ho\u1eb7c h\u1ed9p 60\u00d760\u00d72.0 (Inox 316 n\u1ebfu g\u1ea7n bi\u1ec3n); tay v\u1ecbn \u00d850.8\u00d71.5; b\u01b0\u1edbc c\u1ed9t 0.9\u20131.1 m; b\u1ea3n m\u00e3 150\u00d7150\u00d710; 4 bulong M12.<br \/>\n&#8211; Khu c\u00f4ng c\u1ed9ng \u0111\u00f4ng ng\u01b0\u1eddi:<br \/>\n  &#8211; C\u1ed9t h\u1ed9p 60\u00d760\u00d73.0 (Inox 316), tay v\u1ecbn k\u00edn v\u00f2ng; b\u01b0\u1edbc c\u1ed9t 0.6\u20130.9 m; b\u1ea3n m\u00e3 180\u00d7180\u00d712; 4 bulong M16; c\u00e2n nh\u1eafc lan can k\u00ednh d\u00e1n 10+10 mm SGP ho\u1eb7c thanh d\u1ecdc \u00d816\u201320 mm; b\u1eaft bu\u1ed9c ki\u1ec3m \u0111\u1ecbnh t\u1ea3i.<\/p>\n<h2 id=\"toc-9-cac-loi-thuong-gap-va-cach-tranh\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch tr\u00e1nh<\/h2>\n<p>&#8211; D\u00f9ng Inox 201 cho ngo\u1ea1i th\u1ea5t: nhanh \u1ed1 v\u00e0ng \u2013 r\u1ec9 k\u1ebd. Gi\u1ea3i ph\u00e1p: 304\/316 \u0111\u00fang m\u00f4i tr\u01b0\u1eddng + passivation.<br \/>\n&#8211; B\u01b0\u1edbc c\u1ed9t qu\u00e1 d\u00e0i: lan can rung, v\u00f5ng l\u1edbn. Gi\u1ea3i ph\u00e1p: gi\u1ea3m b\u01b0\u1edbc xu\u1ed1ng 0.9\u20131.0 m ho\u1eb7c t\u0103ng ti\u1ebft di\u1ec7n.<br \/>\n&#8211; Kh\u00f4ng x\u1eed l\u00fd b\u1ec1 m\u1eb7t sau h\u00e0n: m\u1ed1i h\u00e0n \u1ed1, \u0103n m\u00f2n k\u1ebd. Gi\u1ea3i ph\u00e1p: m\u00e0i \u2013 t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a \u0111\u1ea7y \u0111\u1ee7.<br \/>\n&#8211; K\u1eb9p k\u00ednh 304 ngo\u00e0i tr\u1eddi bi\u1ec3n: k\u1eb9p nhanh r\u1ed7. Gi\u1ea3i ph\u00e1p: k\u1eb9p 316, gio\u0103ng EPDM, tho\u00e1t n\u01b0\u1edbc t\u1ed1t.<br \/>\n&#8211; Khoan neo s\u00e1t m\u00e9p s\u00e0n: n\u1ee9t \u2013 b\u1eadt b\u00ea t\u00f4ng. Gi\u1ea3i ph\u00e1p: tu\u00e2n th\u1ee7 kho\u1ea3ng c\u00e1ch m\u00e9p \u2265 8\u201310\u00d7d, ch\u1ecdn neo h\u00f3a ch\u1ea5t n\u1ebfu m\u00e9p h\u1eb9p.<\/p>\n<h2 id=\"toc-10-tai-lieu-tham-khao\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p>&#8211; QCVN 04:2019\/BXD \u2013 Nh\u00e0 chung c\u01b0 (y\u00eau c\u1ea7u lan can, chi\u1ec1u cao, khe h\u1edf).<br \/>\n&#8211; QCVN 06:2022\/BXD \u2013 An to\u00e0n ch\u00e1y cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh.<br \/>\n&#8211; TCVN 2737 \u2013 T\u1ea3i tr\u1ecdng v\u00e0 t\u00e1c \u0111\u1ed9ng \u2013 Ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf.<br \/>\n&#8211; EN 1991-1-1: Eurocode \u2013 Actions on structures; BS 6180:2011 \u2013 Barriers in and about buildings.<br \/>\n&#8211; ASTM A554 (\u1ed1ng Inox c\u01a1 kh\u00ed), ASTM A240 (t\u1ea5m\/ l\u00e1 Inox), ASTM A276 (thanh Inox), ISO 3506-1 (bulong Inox), ASTM A380\/A967 (l\u00e0m s\u1ea1ch\/ th\u1ee5 \u0111\u1ed9ng h\u00f3a Inox).<\/p>\n<h2 id=\"toc-11-bao-gia-va-toi-uu-chi-phi\">B\u00e1o gi\u00e1 v\u00e0 t\u1ed1i \u01b0u chi ph\u00ed<\/h2>\n<p>&#8211; Y\u1ebfu t\u1ed1 chi ph\u1ed1i gi\u00e1: m\u00e1c Inox (316 > 304), chi\u1ec1u d\u00e0y\/ ti\u1ebft di\u1ec7n, lo\u1ea1i infill (k\u00ednh d\u00e1n > thanh d\u1ecdc), m\u1ee9c ho\u00e0n thi\u1ec7n (g\u01b0\u01a1ng > hairline), c\u1ef1 ly v\u1eadn chuy\u1ec3n \u2013 l\u1eafp \u0111\u1eb7t.<br \/>\n&#8211; M\u1eb9o t\u1ed1i \u01b0u:<br \/>\n  &#8211; Chu\u1ea9n h\u00f3a module 1.0 m; d\u00f9ng linh ki\u1ec7n chu\u1ea9n (\u0111\u1ebf ch\u00e2n, k\u1eb9p k\u00ednh).<br \/>\n  &#8211; Ch\u1ecdn hairline cho ngo\u1ea1i th\u1ea5t; gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec so v\u1edbi g\u01b0\u01a1ng.<br \/>\n  &#8211; V\u1edbi m\u00f4i tr\u01b0\u1eddng n\u1eb7ng chloride, \u0111\u1ea7u t\u01b0 316 ngay t\u1eeb \u0111\u1ea7u r\u1ebb h\u01a1n s\u1eeda ch\u1eefa v\u1ec1 sau.<\/p>\n<p>Khi c\u1ea7n b\u00e1o gi\u00e1 chi ti\u1ebft theo b\u1ea3n v\u1ebd\/ m\u1eb7t b\u1eb1ng, h\u00e3y li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt v\u00e0 t\u1ed1i \u01b0u ng\u00e2n s\u00e1ch.<\/p>\n<h2 id=\"toc-12-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>Thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng lan can, c\u1ea7u thang Inox an to\u00e0n \u0111\u00f2i h\u1ecfi:<br \/>\n&#8211; Ch\u1ecdn \u0111\u00fang m\u00e1c th\u00e9p (304\/316), ti\u1ebft di\u1ec7n v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t theo m\u00f4i tr\u01b0\u1eddng.<br \/>\n&#8211; Tu\u00e2n th\u1ee7 chi\u1ec1u cao, khe h\u1edf, t\u1ea3i tr\u1ecdng ti\u00eau chu\u1ea9n; ki\u1ec3m so\u00e1t \u0111\u1ed9 v\u00f5ng v\u00e0 rung.<br \/>\n&#8211; Thi\u1ebft k\u1ebf li\u00ean k\u1ebft \u2013 b\u1ea3n m\u00e3 \u2013 neo ph\u00f9 h\u1ee3p n\u1ec1n s\u00e0n; thi c\u00f4ng \u0111\u00fang quy tr\u00ecnh, th\u1eed t\u1ea3i hi\u1ec7n tr\u01b0\u1eddng.<br \/>\n&#8211; B\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 duy tr\u00ec th\u1ea9m m\u1ef9 v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n<p>\u00c1p d\u1ee5ng c\u00e1c th\u00f4ng s\u1ed1, khuy\u1ebfn ngh\u1ecb v\u00e0 quy tr\u00ecnh trong h\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd gi\u00fap c\u00f4ng tr\u00ecnh \u0111\u1ea1t an to\u00e0n, b\u1ec1n v\u1eefng v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed ngay t\u1eeb l\u1ea7n \u0111\u1ea7u. C\u1ea7n h\u1ed7 tr\u1ee3 thi\u1ebft k\u1ebf chi ti\u1ebft, b\u00f3c t\u00e1ch v\u1eadt t\u01b0 v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t, vui l\u00f2ng li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7: ch\u1ecdn m\u00e1c Inox, t\u1ea3i tr\u1ecdng, k\u00edch th\u01b0\u1edbc, li\u00ean k\u1ebft, quy tr\u00ecnh thi c\u00f4ng v\u00e0 ki\u1ec3m \u0111\u1ecbnh lan can, c\u1ea7u thang Inox theo QCVN\/EN, an to\u00e0n, b\u1ec1n \u0111\u1eb9p.<\/p>\n","protected":false},"author":7,"featured_media":1056,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2150","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\/2150","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=2150"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2150\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1056"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}