{"id":1709,"date":"2026-02-23T12:37:05","date_gmt":"2026-02-23T05:37:05","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/so-sanh-hang-rao-inox-dep-an-toan-ong-tron-hop-vuong-nan-dac\/"},"modified":"2026-02-23T12:37:05","modified_gmt":"2026-02-23T05:37:05","slug":"so-sanh-hang-rao-inox-dep-an-toan-ong-tron-hop-vuong-nan-dac","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/so-sanh-hang-rao-inox-dep-an-toan-ong-tron-hop-vuong-nan-dac\/","title":{"rendered":"So s\u00e1nh h\u00e0ng r\u00e0o inox \u0111\u1eb9p, an to\u00e0n: \u1ed1ng tr\u00f2n, h\u1ed9p vu\u00f4ng, nan \u0111\u1eb7c"},"content":{"rendered":"<div class=\"custom-toc\">\n<h3>N\u1ed9i dung ch\u00ednh<\/h3>\n<ul>\n<li><a href=\"#toc-0-yeu-cau-an-toan-va-tham-my-cot-loi-cho-hang-rao-in\">Y\u00eau c\u1ea7u an to\u00e0n v\u00e0 th\u1ea9m m\u1ef9 c\u1ed1t l\u00f5i cho h\u00e0ng r\u00e0o inox<\/a><\/li>\n<li><a href=\"#toc-1-chon-mac-inox-theo-moi-truong-su-dung\">Ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/a><\/li>\n<li><a href=\"#toc-2-so-sanh-cau-hinh-ong-tron-hop-vuong-nan-dac\">So s\u00e1nh c\u1ea5u h\u00ecnh: \u1ed1ng tr\u00f2n, h\u1ed9p vu\u00f4ng, nan \u0111\u1eb7c<\/a><\/li>\n<li><a href=\"#toc-3-vi-du-tinh-nhanh-chon-tru-theo-tai-gio-dieu-kien-h\">V\u00ed d\u1ee5 t\u00ednh nhanh ch\u1ecdn tr\u1ee5 theo t\u1ea3i gi\u00f3 (\u0111i\u1ec1u ki\u1ec7n H\u00e0 N\u1ed9i)<\/a><\/li>\n<li><a href=\"#toc-4-mau-thiet-ke-va-ung-dung-khuyen-nghi\">M\u1eabu thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng khuy\u1ebfn ngh\u1ecb<\/a><\/li>\n<li><a href=\"#toc-5-chi-phi-do-ben-bao-tri-cach-toi-uu-tong-vong-doi\">Chi ph\u00ed, \u0111\u1ed9 b\u1ec1n, b\u1ea3o tr\u00ec: c\u00e1ch t\u1ed1i \u01b0u t\u1ed5ng v\u00f2ng \u0111\u1eddi<\/a><\/li>\n<li><a href=\"#toc-6-quy-trinh-thi-cong-chuan-de-dep-va-an-toan\">Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n \u0111\u1ec3 \u201c\u0111\u1eb9p v\u00e0 an to\u00e0n\u201d<\/a><\/li>\n<li><a href=\"#toc-7-bang-khuyen-nghi-nhanh-theo-boi-canh-tham-khao\">B\u1ea3ng khuy\u1ebfn ngh\u1ecb nhanh theo b\u1ed1i c\u1ea3nh (tham kh\u1ea3o)<\/a><\/li>\n<li><a href=\"#toc-8-nen-chon-cau-hinh-nao\">N\u00ean ch\u1ecdn c\u1ea5u h\u00ecnh n\u00e0o?<\/a><\/li>\n<li><a href=\"#toc-9-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>H\u00e0ng r\u00e0o 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 ph\u1ee5 tr\u1ee3: b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n, ph\u00e2n chia ranh gi\u1edbi, \u0111\u1ed3ng th\u1eddi t\u1ea1o \u0111i\u1ec3m nh\u1ea5n th\u1ea9m m\u1ef9 m\u1eb7t ti\u1ec1n. B\u00e0i vi\u1ebft n\u00e0y \u0111i th\u1eb3ng v\u00e0o so s\u00e1nh ba c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u nh\u1ea5t\u2014\u1ed1ng tr\u00f2n, h\u1ed9p vu\u00f4ng v\u00e0 nan \u0111\u1eb7c\u2014v\u1ec1 an to\u00e0n, \u0111\u1ed9 b\u1ec1n, chi ph\u00ed v\u00e0 t\u00ednh th\u1ea9m m\u1ef9, k\u00e8m khuy\u1ebfn ngh\u1ecb m\u00e1c inox, k\u00edch th\u01b0\u1edbc, b\u01b0\u1edbc tr\u1ee5 v\u00e0 c\u00e1ch thi c\u00f4ng ph\u00f9 h\u1ee3p \u0111i\u1ec1u ki\u1ec7n kh\u00ed h\u1eadu H\u00e0 N\u1ed9i v\u00e0 mi\u1ec1n B\u1eafc.<\/p>\n<h2 id=\"toc-0-yeu-cau-an-toan-va-tham-my-cot-loi-cho-hang-rao-in\">Y\u00eau c\u1ea7u an to\u00e0n v\u00e0 th\u1ea9m m\u1ef9 c\u1ed1t l\u00f5i cho h\u00e0ng r\u00e0o inox<\/h2>\n<p>&#8211; Chi\u1ec1u cao tham kh\u1ea3o:<br \/>\n  &#8211; Nh\u00e0 ph\u1ed1\/bi\u1ec7t th\u1ef1: 1.4\u20131.8 m (t\u1ed1i \u01b0u 1.6 m \u0111\u1ec3 ch\u1ed1ng leo, v\u1eabn tho\u00e1ng).<br \/>\n  &#8211; Nh\u00e0 x\u01b0\u1edfng\/khu c\u00f4ng nghi\u1ec7p: 1.8\u20132.4 m (k\u00e8m ch\u00f4ng\/\u0111\u1ec9nh nh\u1ecdn t\u00f9y an ninh).<br \/>\n&#8211; Khe h\u1edf t\u1ed1i \u0111a gi\u1eefa c\u00e1c nan: \u2264100 mm \u0111\u1ec3 h\u1ea1n ch\u1ebf tr\u00e8o, k\u1eb9t tay tr\u1ebb nh\u1ecf (theo th\u00f4ng l\u1ec7 an to\u00e0n qu\u1ed1c t\u1ebf IBC\/EN).<br \/>\n&#8211; T\u1ea3i ngang thi\u1ebft k\u1ebf:<br \/>\n  &#8211; Khu d\u00e2n d\u1ee5ng th\u00f4ng th\u01b0\u1eddng: 0.5\u20130.75 kN\/m (EN 1991-1-1 g\u1ee3i \u00fd cho lan can\/h\u00e0ng r\u00e0o nh\u1eb9).<br \/>\n  &#8211; Khu c\u00f4ng c\u1ed9ng\/\u0111\u00f4ng ng\u01b0\u1eddi: \u0111\u1ebfn 1.0 kN\/m.<br \/>\n&#8211; \u1ee8ng x\u1eed v\u1edbi gi\u00f3: mi\u1ec1n B\u1eafc c\u00f3 gi\u00f3 m\u1ea1nh theo m\u00f9a; ch\u1ecdn ti\u1ebft di\u1ec7n tr\u1ee5\/\u0111\u1ebf \u0111\u1ee7 m\u00f4 men u\u1ed1n, neo ch\u1eafc b\u1eb1ng bul\u00f4ng h\u00f3a ch\u1ea5t M12\u2013M16.<br \/>\n&#8211; B\u1ec1 m\u1eb7t: Hairline\/No.4 gi\u00fap \u201cgi\u1ea5u\u201d x\u01b0\u1edbc, s\u1ea1ch sang; tr\u00e1nh g\u01b0\u01a1ng (BA) \u1edf h\u01b0\u1edbng n\u1eafng g\u1eaft d\u1ec5 ch\u00f3i.<\/p>\n<h2 id=\"toc-1-chon-mac-inox-theo-moi-truong-su-dung\">Ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng<\/h2>\n<p>&#8211; Inox 201 (Cr-Mn-Ni th\u1ea5p): Kinh t\u1ebf, d\u00f9ng n\u1ed9i th\u1ea5t\/ngo\u1ea1i th\u1ea5t kh\u00f4, \u00edt ion clo. Kh\u00e1ng g\u1ec9 k\u00e9m h\u01a1n 304, c\u1ea7n b\u1ea3o d\u01b0\u1ee1ng \u0111\u1ecbnh k\u1ef3.<br \/>\n&#8211; Inox 304\/304L: C\u00e2n b\u1eb1ng gi\u1eefa b\u1ec1n g\u1ec9 \u2013 gi\u00e1. Ph\u00f9 h\u1ee3p \u0111a s\u1ed1 c\u00f4ng tr\u00ecnh H\u00e0 N\u1ed9i\/mi\u1ec1n B\u1eafc \u0111\u00f4 th\u1ecb.<br \/>\n&#8211; Inox 316\/316L: Th\u00eam Mo, ch\u1ed1ng pitting t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng clo (g\u1ea7n bi\u1ec3n, h\u1ed3 b\u01a1i, khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t). Gi\u00e1 cao h\u01a1n 304 kho\u1ea3ng 40\u201380% t\u00f9y th\u1eddi \u0111i\u1ec3m th\u1ecb tr\u01b0\u1eddng.<br \/>\nKhuy\u1ebfn ngh\u1ecb chung: 304 cho nh\u00e0 ph\u1ed1; 316L cho b\u1ec3 b\u01a1i\/khu ven bi\u1ec3n; 201 ch\u1ec9 cho h\u1ea1ng m\u1ee5c \u00edt ph\u01a1i m\u01b0a n\u1eafng ho\u1eb7c ng\u00e2n s\u00e1ch r\u1ea5t h\u1ea1n ch\u1ebf.<\/p>\n<h3>Ti\u00eau chu\u1ea9n v\u1eadt li\u1ec7u \u2013 gia c\u00f4ng n\u00ean tham chi\u1ebfu<\/h3>\n<p>&#8211; \u1ed0ng\/h\u1ed9p inox c\u01a1 kh\u00ed: ASTM A554 (b\u00f3ng \u0111\u1eb9p, dung sai ch\u1eb7t cho ki\u1ebfn tr\u00fac).<br \/>\n&#8211; Thanh\/\u0111\u1eb7c: ASTM A276; t\u1ea5m\/\u0111\u1ebf ch\u00e2n tr\u1ee5: ASTM A240.<br \/>\n&#8211; H\u00e0n TIG v\u1edbi d\u00e2y ER308L\/ER316L; t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a theo ASTM A380\/A967 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh l\u1edbp oxit b\u1ea3o v\u1ec7.<\/p>\n<h2 id=\"toc-2-so-sanh-cau-hinh-ong-tron-hop-vuong-nan-dac\">So s\u00e1nh c\u1ea5u h\u00ecnh: \u1ed1ng tr\u00f2n, h\u1ed9p vu\u00f4ng, nan \u0111\u1eb7c<\/h2>\n<h3>1) H\u1ed9p vu\u00f4ng (\u1ed1ng h\u1ed9p)<\/h3>\n<p>\u01afu \u0111i\u1ec3m:<br \/>\n&#8211; \u0110\u01b0\u1eddng g\u00e2n th\u1eb3ng, hi\u1ec7n \u0111\u1ea1i; d\u1ec5 canh th\u1eb3ng h\u00e0ng, d\u1ec5 l\u1eafp ph\u1ee5 ki\u1ec7n g\u00f3c\/c\u1eef.<br \/>\n&#8211; M\u00f4 men qu\u00e1n t\u00ednh t\u1ed1t theo c\u1ea3 hai ph\u01b0\u01a1ng; ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u so v\u1edbi nan \u0111\u1eb7c \u1edf c\u00f9ng \u0111\u1ed9 c\u1ee9ng.<br \/>\n&#8211; Che m\u1ed1i h\u00e0n \u0111\u1eb9p \u1edf c\u00e1c n\u00fat khung, rail tr\u00ean\/d\u01b0\u1edbi.<\/p>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<br \/>\n&#8211; C\u00e1c c\u1ea1nh c\u00f3 th\u1ec3 g\u00e2y x\u01b0\u1edbc n\u1ebfu kh\u00f4ng v\u00ea m\u00e9p; c\u1ea7n bo c\u1ea1nh v\u00e0 m\u00e0i m\u1ecbn.<br \/>\n&#8211; B\u1ee5i b\u1ea9n b\u00e1m theo g\u00f3c c\u1ea1nh, c\u1ea7n v\u1ec7 sinh k\u1ef9.<\/p>\n<p>G\u1ee3i \u00fd c\u1ea5u h\u00ecnh ph\u1ed5 bi\u1ebfn:<br \/>\n&#8211; Tr\u1ee5: 50\u00d750\u00d72.0 mm (304) cho b\u01b0\u1edbc tr\u1ee5 1.6\u20131.8 m; 60\u00d760\u00d72.0\u20132.5 mm cho c\u1ed5ng\/ng\u00e3 t\u01b0 gi\u00f3.<br \/>\n&#8211; Rai tr\u00ean\/d\u01b0\u1edbi: 30\u00d760\u00d71.2\u20131.5 mm.<br \/>\n&#8211; Nan d\u1ecdc: 20\u00d720\u00d71.0\u20131.2 mm; kho\u1ea3ng c\u00e1ch tim 90\u2013100 mm.<\/p>\n<h3>2) \u1ed0ng tr\u00f2n<\/h3>\n<p>\u01afu \u0111i\u1ec3m:<br \/>\n&#8211; M\u1ec1m m\u01b0\u1ee3t, an to\u00e0n ch\u1ea1m tay; ch\u1ed1ng leo t\u1ed1t khi l\u00e0 nan d\u1ecdc.<br \/>\n&#8211; Ph\u00e2n b\u1ed5 \u1ee9ng su\u1ea5t \u0111\u1ec1u; ch\u1ecbu xo\u1eafn t\u1ed1t; \u00edt gi\u1eef b\u1ee5i, d\u1ec5 v\u1ec7 sinh.<\/p>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<br \/>\n&#8211; Li\u00ean k\u1ebft g\u00f3c \u2013 n\u00fat y\u00eau c\u1ea7u \u0111\u1ed3 g\u00e1 ch\u00ednh x\u00e1c \u0111\u1ec3 th\u1eb3ng \u2013 kh\u00f4ng \u201ch\u1edf m\u00e9p\u201d.<br \/>\n&#8211; V\u1edbi c\u00f9ng \u0111\u01b0\u1eddng k\u00ednh v\u00e0 b\u1ec1 d\u00e0y, m\u00f4 \u0111un ch\u1ed1ng u\u1ed1n th\u01b0\u1eddng th\u1ea5p h\u01a1n h\u1ed9p vu\u00f4ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng b\u1ec1 r\u1ed9ng; c\u1ea7n t\u0103ng d\u00e0y\/\u0111\u01b0\u1eddng k\u00ednh \u0111\u1ec3 \u0111\u1ea1t c\u00f9ng \u0111\u1ed9 c\u1ee9ng.<\/p>\n<p>G\u1ee3i \u00fd c\u1ea5u h\u00ecnh:<br \/>\n&#8211; Tr\u1ee5: \u00d860\u00d72.0\u20132.5 mm (304\/316).<br \/>\n&#8211; Rai: \u00d838\u2013\u00d842\u00d71.2\u20131.5 mm.<br \/>\n&#8211; Nan d\u1ecdc: \u00d816\u2013\u00d822\u00d71.0\u20131.2 mm; tim 90\u2013100 mm.<\/p>\n<h3>3) Nan \u0111\u1eb7c (thanh \u0111\u1eb7c vu\u00f4ng\/tr\u00f2n)<\/h3>\n<p>\u01afu \u0111i\u1ec3m:<br \/>\n&#8211; Ch\u1ed1ng c\u1eaft\/ph\u00e1 ho\u1ea1i t\u1ed1t h\u01a1n (kh\u00f3 c\u1eaft nhanh b\u1eb1ng k\u00ecm\/dao c\u1ed9ng l\u1ef1c).<br \/>\n&#8211; C\u1ea3m gi\u00e1c \u201cch\u1eafc n\u1ecbch\u201d, ph\u00f9 h\u1ee3p phong c\u00e1ch t\u00e2n c\u1ed5 \u0111i\u1ec3n, c\u1ed5ng bi\u1ec7t th\u1ef1.<\/p>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<br \/>\n&#8211; N\u1eb7ng, t\u1ed1n v\u1eadt li\u1ec7u; y\u00eau c\u1ea7u tr\u1ee5 \u2013 m\u00f3ng kh\u1ecfe; chi ph\u00ed gia c\u00f4ng\/h\u00e0n cao.<br \/>\n&#8211; Nhi\u1ec7t co khi h\u00e0n l\u1edbn, ph\u1ea3i ki\u1ec3m so\u00e1t bi\u1ebfn d\u1ea1ng.<\/p>\n<p>G\u1ee3i \u00fd c\u1ea5u h\u00ecnh:<br \/>\n&#8211; Nan vu\u00f4ng 10\u00d710\u201312\u00d712 mm ho\u1eb7c tr\u00f2n \u00d812\u2013\u00d816 mm.<br \/>\n&#8211; Tr\u1ee5 n\u00ean n\u00e2ng c\u1ea5p: 60\u00d760\u00d72.0\u20132.5 mm (ho\u1eb7c \u00d860\u00d72.5 mm).<br \/>\n&#8211; \u01afu ti\u00ean 304\/316 \u0111\u1ec3 h\u1ea1n ch\u1ebf \u201c\u1ed1 tr\u00e0\u201d do nhi\u1ec7t h\u00e0n t\u00edch t\u1ee5.<\/p>\n<h2 id=\"toc-3-vi-du-tinh-nhanh-chon-tru-theo-tai-gio-dieu-kien-h\">V\u00ed d\u1ee5 t\u00ednh nhanh ch\u1ecdn tr\u1ee5 theo t\u1ea3i gi\u00f3 (\u0111i\u1ec1u ki\u1ec7n H\u00e0 N\u1ed9i)<\/h2>\n<p>B\u00e0i to\u00e1n tham kh\u1ea3o:<br \/>\n&#8211; Cao H = 1.6 m; b\u01b0\u1edbc tr\u1ee5 s = 1.8 m; \u00e1p l\u1ef1c gi\u00f3 quy \u01b0\u1edbc p \u2248 0.6 kPa (tham chi\u1ebfu c\u00f4ng th\u1ee9c q = 0.613\u00b7V\u00b2, V \u2248 30 m\/s).<br \/>\n&#8211; L\u1ef1c gi\u00f3 l\u00ean m\u1ed7i tr\u1ee5 (1\/2 \u00f4): F = p\u00b7H\u00b7(s\/2) = 0.6\u00b71.6\u00b70.9 = 0.864 kN.<br \/>\n&#8211; M\u00f4 men ch\u00e2n tr\u1ee5: M = F\u00b7H\/2 \u2248 0.864\u00b70.8 = 0.691 kN\u00b7m = 691,000 N\u00b7mm.<br \/>\n&#8211; Gi\u1edbi h\u1ea1n \u1ee9ng su\u1ea5t cho inox 304 \u1ee7: \u03c3 cho ph\u00e9p \u2248 120 MPa.<\/p>\n<p>Y\u00eau c\u1ea7u m\u00f4 \u0111un ti\u1ebft di\u1ec7n: Smin = M\/\u03c3 \u2248 691,000 \/ 120 \u2248 5,760 mm\u00b3.<\/p>\n<p>\u0110\u1ed1i chi\u1ebfu ti\u1ebft di\u1ec7n:<br \/>\n&#8211; H\u1ed9p 50\u00d750\u00d72.0 mm: S \u2248 5,900 mm\u00b3 \u2192 \u0110\u1ea1t.<br \/>\n&#8211; \u1ed0ng \u00d860\u00d72.5 mm: S \u2248 6,200 mm\u00b3 \u2192 \u0110\u1ea1t.<br \/>\n&#8211; H\u1ed9p 50\u00d750\u00d71.5 mm ho\u1eb7c \u1ed1ng \u00d860\u00d72.0 mm \u2192 Thi\u1ebfu nh\u1eb9, n\u00ean t\u0103ng b\u1ec1 d\u00e0y ho\u1eb7c gi\u1ea3m b\u01b0\u1edbc tr\u1ee5.<\/p>\n<p>L\u01b0u \u00fd: Ki\u1ec3m tra th\u00eam \u0111\u1ed9 v\u00f5ng, \u0111i\u1ec1u ki\u1ec7n li\u00ean k\u1ebft ch\u00e2n tr\u1ee5 (b\u1ea3n m\u00e3 8\u201310 mm; 4 bul\u00f4ng M12\u2013M16 h\u00f3a ch\u1ea5t neo s\u00e2u \u2265100 mm v\u00e0o b\u00ea t\u00f4ng m\u00e1c ph\u00f9 h\u1ee3p).<\/p>\n<h2 id=\"toc-4-mau-thiet-ke-va-ung-dung-khuyen-nghi\">M\u1eabu thi\u1ebft k\u1ebf v\u00e0 \u1ee9ng d\u1ee5ng khuy\u1ebfn ngh\u1ecb<\/h2>\n<p>&#8211; Nh\u00e0 ph\u1ed1 hi\u1ec7n \u0111\u1ea1i:<br \/>\n  &#8211; Th\u1ea9m m\u1ef9 t\u1ed1i gi\u1ea3n: khung h\u1ed9p 30\u00d760, nan tr\u00f2n \u00d816 d\u1ecdc, tim 95 mm; tr\u1ee5 50\u00d750\u00d72.0 mm; ho\u00e0n thi\u1ec7n Hairline.<br \/>\n  &#8211; An to\u00e0n tr\u1ebb nh\u1ecf: lo\u1ea1i b\u1ecf \u0111\u1ec9nh nh\u1ecdn; bo m\u00e9p; khe h\u1edf chu\u1ea9n \u2264100 mm.<br \/>\n&#8211; Bi\u1ec7t th\u1ef1 cao c\u1ea5p:<br \/>\n  &#8211; Nan \u0111\u1eb7c 12\u00d712 ho\u1eb7c \u00d814, \u0111\u1ea7u nan ti\u1ec7n c\u1ea7u; khung \u2013 tr\u1ee5 60\u00d760\u00d72.0; ch\u1ecdn 316L cho khu h\u1ed3 b\u01a1i.<br \/>\n&#8211; Nh\u00e0 x\u01b0\u1edfng\/kho b\u00e3i:<br \/>\n  &#8211; Ch\u1ed1ng leo\/tr\u1ed9m: nan d\u1ecdc \u0111\u1eb7c 12\u00d712; chi\u1ec1u cao \u22652.0 m; c\u00f3 ch\u00f4ng \u0111\u1ec9nh (theo ph\u00e1p l\u00fd \u0111\u1ecba ph\u01b0\u01a1ng); tr\u1ee5 60\u00d760\u00d72.5; b\u1ea3n m\u00e3 10 mm; bul\u00f4ng M16.<br \/>\n&#8211; Tr\u01b0\u1eddng h\u1ecdc\/b\u1ec7nh vi\u1ec7n:<br \/>\n  &#8211; \u01afu ti\u00ean \u1ed1ng tr\u00f2n, \u0111\u1ec9nh tr\u00f2n h\u00f3a; c\u1ea5m \u0111\u1ec9nh s\u1eafc; khe h\u1edf 80\u201390 mm; t\u1ea3i ngang m\u1ee5c ti\u00eau 1.0 kN\/m; v\u1eadt li\u1ec7u 304\/316 t\u00f9y ng\u00e2n s\u00e1ch.<\/p>\n<h2 id=\"toc-5-chi-phi-do-ben-bao-tri-cach-toi-uu-tong-vong-doi\">Chi ph\u00ed, \u0111\u1ed9 b\u1ec1n, b\u1ea3o tr\u00ec: c\u00e1ch t\u1ed1i \u01b0u t\u1ed5ng v\u00f2ng \u0111\u1eddi<\/h2>\n<p>&#8211; Ch\u00eanh l\u1ec7ch gi\u00e1 v\u1eadt li\u1ec7u (tham kh\u1ea3o th\u1ecb tr\u01b0\u1eddng VN 2024):<br \/>\n  &#8211; 201 < 304 < 316L (316L cao h\u01a1n 304 kho\u1ea3ng 40\u201380%).\n- Chi ph\u00ed thi c\u00f4ng:\n  - Nan \u0111\u1eb7c t\u1ed1n h\u00e0n \u2013 nh\u00e2n c\u00f4ng; h\u1ed9p\/\u1ed1ng ti\u1ebft ki\u1ec7m h\u01a1n \u1edf c\u00f9ng \u0111\u1ed9 c\u1ee9ng.\n- B\u1ea3o tr\u00ec:\n  - R\u1eeda \u0111\u1ecbnh k\u1ef3 b\u1eb1ng dung d\u1ecbch trung t\u00ednh; tr\u00e1nh clo, mu\u1ed1i.\n  - T\u1ea9y \u0111i\u1ec3m g\u1ec9 tr\u00e0, v\u1ebft h\u00e0n b\u1eb1ng gel passivation \u0111\u1ea1t ASTM A380\/A967.\n  - Tr\u00e1nh nhi\u1ec5m b\u1ea9n s\u1eaft th\u01b0\u1eddng (b\u1ee5i m\u00e0i th\u00e9p carbon) khi gia c\u00f4ng chung x\u01b0\u1edfng.\n\n\n\n<h2 id=\"toc-6-quy-trinh-thi-cong-chuan-de-dep-va-an-toan\">Quy tr\u00ecnh thi c\u00f4ng chu\u1ea9n \u0111\u1ec3 \u201c\u0111\u1eb9p v\u00e0 an to\u00e0n\u201d<\/h2>\n<p>1) Kh\u1ea3o s\u00e1t \u2013 thi\u1ebft k\u1ebf: x\u00e1c \u0111\u1ecbnh cao \u0111\u1ed9, b\u01b0\u1edbc tr\u1ee5, t\u1ea3i gi\u00f3, khe h\u1edf; shop-drawing v\u00e0 b\u1ea3n k\u00ea v\u1eadt t\u01b0 theo ASTM A554\/A276.<br \/>\n2) Gia c\u00f4ng: c\u1eaft \u2013 v\u00ea m\u00e9p; h\u00e0n TIG \u0111\u1ed3ng nh\u1ea5t; c\u0103n ch\u1ec9nh \u0111\u1ed3 g\u00e1 gi\u1eef th\u1eb3ng tim nan; th\u1eed l\u1eafp kh\u00f4.<br \/>\n3) X\u1eed l\u00fd b\u1ec1 m\u1eb7t: m\u00e0i No.4\/Hairline c\u00f9ng h\u01b0\u1edbng; t\u1ea9y g\u1ec9 \u2013 th\u1ee5 \u0111\u1ed9ng h\u00f3a; v\u1ec7 sinh d\u1ea7u m\u1ee1.<br \/>\n4) L\u1eafp \u0111\u1eb7t: c\u00e2n ch\u1ec9nh b\u1eb1ng m\u00e1y th\u1ee7y b\u00ecnh; b\u1ea3n m\u00e3 8\u201310 mm; bul\u00f4ng h\u00f3a ch\u1ea5t M12\u2013M16; keo tr\u00e1m PU \u1edf ch\u00e2n \u0111\u1ebf tr\u00e1nh \u0111\u1ecdng n\u01b0\u1edbc.<br \/>\n5) Nghi\u1ec7m thu: ki\u1ec3m tra khe h\u1edf \u2264100 mm, cao \u0111\u1ed9, \u0111\u1ed9 th\u1eb3ng, m\u1ed1i h\u00e0n, \u0111\u01b0\u1eddng x\u01b0\u1edbc \u0111\u1ed3ng nh\u1ea5t; test k\u00e9o l\u1eafc t\u1ea3i ngang th\u1ee7 c\u00f4ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.  <\/p>\n<h2 id=\"toc-7-bang-khuyen-nghi-nhanh-theo-boi-canh-tham-khao\">B\u1ea3ng khuy\u1ebfn ngh\u1ecb nhanh theo b\u1ed1i c\u1ea3nh (tham kh\u1ea3o)<\/h2>\n<p>&#8211; Nh\u00e0 ph\u1ed1 n\u1ed9i th\u00e0nh:<br \/>\n  &#8211; 304; H = 1.4\u20131.6 m; tr\u1ee5 50\u00d750\u00d72.0 ho\u1eb7c \u00d860\u00d72.0\u20132.5; rail 30\u00d760\u00d71.2; nan \u00d816\u00d71.0 ho\u1eb7c 20\u00d720\u00d71.0; tim 95 mm; M12 h\u00f3a ch\u1ea5t.<br \/>\n&#8211; G\u1ea7n bi\u1ec3n\/b\u1ec3 b\u01a1i:<br \/>\n  &#8211; 316L; H = 1.6\u20131.8 m; tr\u1ee5 \u00d860\u00d72.5 ho\u1eb7c 60\u00d760\u00d72.0; fastener A4 (316); ho\u00e0n thi\u1ec7n No.4 + passivation k\u1ef9; l\u1ecbch r\u1eeda n\u01b0\u1edbc ng\u1ecdt h\u00e0ng th\u00e1ng.<br \/>\n&#8211; Nh\u00e0 x\u01b0\u1edfng\/khu c\u00f4ng c\u1ed9ng:<br \/>\n  &#8211; 304\/316L; H = 1.8\u20132.4 m; tr\u1ee5 60\u00d760\u00d72.5; rail 40\u00d780\u00d71.5; nan \u0111\u1eb7c 12\u00d712 ho\u1eb7c \u00d822\u00d71.2; b\u1ea3n m\u00e3 10 mm; M16 h\u00f3a ch\u1ea5t.<\/p>\n<h2 id=\"toc-8-nen-chon-cau-hinh-nao\">N\u00ean ch\u1ecdn c\u1ea5u h\u00ecnh n\u00e0o?<\/h2>\n<p>&#8211; \u01afu ti\u00ean th\u1ea9m m\u1ef9 \u2013 ng\u00e2n s\u00e1ch v\u1eeba: \u1ed0ng tr\u00f2n (nan d\u1ecdc \u00d816\u2013\u00d819) cho c\u1ea3m gi\u00e1c m\u1ec1m, an to\u00e0n khi ch\u1ea1m; tr\u1ee5 \u00d860\u00d72.0\u20132.5.<br \/>\n&#8211; C\u1ea7n \u0111\u01b0\u1eddng n\u00e9t s\u1eafc, thi c\u00f4ng nhanh \u2013 d\u1ec5 c\u0103n ke: H\u1ed9p vu\u00f4ng (nan 20\u00d720\u00d71.0; rail 30\u00d760\u00d71.2); tr\u1ee5 50\u00d750\u00d72.0.<br \/>\n&#8211; An ninh cao, ch\u1ed1ng ph\u00e1 ho\u1ea1i: Nan \u0111\u1eb7c 12\u00d712 k\u00e8m tr\u1ee5 60\u00d760\u00d72.5, b\u1ea3n m\u00e3 10 mm, bul\u00f4ng M16; c\u00e2n nh\u1eafc 316L trong m\u00f4i tr\u01b0\u1eddng clo.<\/p>\n<h2 id=\"toc-9-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/h2>\n<p>&#8211; ASTM A554 \u2013 Welded Stainless Steel Mechanical Tubing: https:\/\/www.astm.org\/a0554<br \/>\n&#8211; ASTM A240 \u2013 Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip: https:\/\/www.astm.org\/a0240<br \/>\n&#8211; ASTM A276 \u2013 Stainless Steel Bars and Shapes: https:\/\/www.astm.org\/a0276<br \/>\n&#8211; ASTM A380\/A967 \u2013 Cleaning, Descaling, and Passivation of Stainless Steel: https:\/\/www.astm.org\/a0380 | https:\/\/www.astm.org\/a0967<br \/>\n&#8211; EN 1991-1-1 (Eurocode) \u2013 Actions on structures, imposed loads on buildings (h\u01b0\u1edbng d\u1eabn t\u1ea3i ngang lan can\/h\u00e0ng r\u00e0o): https:\/\/eurocodes.jrc.ec.europa.eu<br \/>\n&#8211; Nickel Institute \u2013 H\u01b0\u1edbng d\u1eabn ch\u1ecdn m\u00e1c inox theo m\u00f4i tr\u01b0\u1eddng (304 vs 316): https:\/\/nickelinstitute.org<\/p>\n<h2 id=\"toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/h2>\n<p>&#8211; H\u1ed9p vu\u00f4ng: d\u1ec5 c\u0103n th\u1eb3ng, c\u1ee9ng v\u1eefng \u2013 t\u1ed1i \u01b0u cho phong c\u00e1ch hi\u1ec7n \u0111\u1ea1i, thi c\u00f4ng nhanh.<br \/>\n&#8211; \u1ed0ng tr\u00f2n: b\u1ec1 m\u1eb7t \u201cm\u1ec1m\u201d, an to\u00e0n ch\u1ea1m tay, d\u1ec5 v\u1ec7 sinh \u2013 ph\u00f9 h\u1ee3p nh\u00e0 \u1edf, c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng.<br \/>\n&#8211; Nan \u0111\u1eb7c: an ninh cao, ch\u1ed1ng c\u1eaft t\u1ed1t \u2013 ph\u00f9 h\u1ee3p c\u1ed5ng\/h\u00e0ng r\u00e0o y\u00eau c\u1ea7u b\u1ea3o v\u1ec7.<br \/>\n&#8211; M\u00e1c inox: 304 cho \u0111a s\u1ed1 h\u1ea1ng m\u1ee5c; 316L cho bi\u1ec3n\/h\u1ed3 b\u01a1i; 201 ch\u1ec9 khi m\u00f4i tr\u01b0\u1eddng kh\u00f4 v\u00e0 b\u1ea3o d\u01b0\u1ee1ng k\u1ef9.<br \/>\n&#8211; K\u1ef9 thu\u1eadt then ch\u1ed1t: khe h\u1edf \u2264100 mm, ch\u1ecdn tr\u1ee5 \u0111\u1ea1t m\u00f4 men u\u1ed1n (v\u00ed d\u1ee5 50\u00d750\u00d72.0 ho\u1eb7c \u00d860\u00d72.5 cho \u00f4 1.8 m, H=1.6 m), neo b\u1ea3n m\u00e3 + bul\u00f4ng h\u00f3a ch\u1ea5t \u0111\u00fang chu\u1ea9n, x\u1eed l\u00fd passivation sau h\u00e0n.<\/p>\n<p>C\u1ea7n b\u1ea3n v\u1ebd \u2013 b\u00e1o gi\u00e1 theo k\u00edch th\u01b0\u1edbc, m\u00e1c inox v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t? 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 gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn ch\u1ecdn h\u00e0ng r\u00e0o inox t\u1ed1i \u01b0u: \u01b0u nh\u01b0\u1ee3c \u1ed1ng tr\u00f2n, h\u1ed9p vu\u00f4ng, nan \u0111\u1eb7c; ch\u1ecdn m\u00e1c 201\/304\/316, k\u00edch th\u01b0\u1edbc, t\u1ea3i gi\u00f3, khe h\u1edf \u2264100 mm, thi c\u00f4ng b\u1ec1n \u0111\u1eb9p.<\/p>\n","protected":false},"author":7,"featured_media":1062,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1709","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\/1709","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=1709"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/1709\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1062"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=1709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=1709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=1709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}