{"id":563,"date":"2025-05-24T02:08:29","date_gmt":"2025-05-24T02:08:29","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=563"},"modified":"2025-06-23T01:21:49","modified_gmt":"2025-06-23T01:21:49","slug":"luoi-lun-bang-gang-deo","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/luoi-lun-bang-gang-deo\/","title":{"rendered":"L\u01b0\u1edbi ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo (T\u1ea5m ph\u1ee7 r\u00e3nh)"},"content":{"rendered":"<h3 class=\"wp-block-heading\"><strong>I. T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt \u00a0<\/strong><\/h3>\n\n\n\n<p><strong>1. V\u1eadt li\u1ec7u &amp; S\u1ea3n xu\u1ea5t \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u c\u01a1 s\u1edf gang d\u1ebbo: Magi\u00ea\/\u0111\u1ea5t hi\u1ebfm t\u1ea1o th\u00e0nh h\u1ea1t \u0111\u1ea3m b\u1ea3o ph\u00e2n ph\u1ed1i than ch\u00ec h\u00ecnh c\u1ea7u, \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 b\u1ec1n k\u00e9o \u2265420 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i \u226510% v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n v\u01b0\u1ee3t tr\u1ed9i (gang) k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ed9 d\u1ebbo dai nh\u01b0 th\u00e9p. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u1ed9ng v\u01b0\u1ee3t qu\u00e1 gang x\u00e1m (HT250). \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>Quy tr\u00ecnh ch\u1ed1ng \u0103n m\u00f2n: \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Phun k\u1ebdm + L\u1edbp ph\u1ee7 nh\u1ef1a \u0111\u01b0\u1eddng: L\u1edbp k\u1ebdm \u226580 \u03bcm + l\u1edbp ph\u1ee7 nh\u1ef1a \u0111\u01b0\u1eddng, ch\u1ecbu \u0111\u01b0\u1ee3c phun mu\u1ed1i (ASTM B117 \u22651.000 gi\u1edd), ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng pH 5\u20139 (\u1ea9m\/m\u1eb7n-ki\u1ec1m). \u00a0<\/li>\n\n\n\n<li>L\u1edbp ph\u1ee7 nh\u1ef1a than \u0111\u00e1 Epoxy (T\u00f9y ch\u1ecdn): Ch\u1ecbu \u0111\u01b0\u1ee3c axit\/ki\u1ec1m (pH 3\u201311), l\u00fd t\u01b0\u1edfng cho c\u00e1c khu v\u1ef1c n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p\/h\u00f3a ch\u1ea5t. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u ch\u1ed1ng l\u00fan <\/strong>\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u01b0\u1edbi \u0111\u1ebf gia c\u1ed1: C\u00e1c g\u00e2n h\u00ecnh l\u01b0\u1edbi ch\u00e9o ho\u1eb7c h\u00ecnh t\u1ed5 ong ph\u00e2n t\u00e1n \u00e1p l\u1ef1c, ng\u0103n ng\u1eeba n\u1ee9t g\u00e3y c\u1ee5c b\u1ed9 kh\u1ecfi b\u1ecb l\u00fan. \u00a0<\/li>\n\n\n\n<li>M\u1ed1i n\u1ed1i linh ho\u1ea1t: C\u00e1c k\u1ebft n\u1ed1i m\u00f4-\u0111un v\u1edbi gio\u0103ng cao su\/k\u1eb9p \u0111\u00e0n h\u1ed3i cho ph\u00e9p d\u1ecbch chuy\u1ec3n l\u00fan \u00b15 mm, duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c c\u1ee7a h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc. \u00a0<\/li>\n\n\n\n<li>\u0110\u1ebf th\u00edch \u1ee9ng: L\u1edbp \u0111\u1ec7m cao su m\u1eadt \u0111\u1ed9 cao gi\u1eefa \u0111\u1ebf v\u00e0 v\u1ec9 n\u01b0\u1edbng h\u1ea5p th\u1ee5 \u1ee9ng su\u1ea5t l\u00fan vi m\u00f4. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>3. T\u1ed1i \u01b0u h\u00f3a ch\u1ee9c n\u0103ng \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc hi\u1ec7u su\u1ea5t cao: C\u00e1c khe h\u1edf h\u00ecnh cung d\u00e0i (t\u1ef7 l\u1ec7 di\u1ec7n t\u00edch m\u1edf \u226530%) cho ph\u00e9p l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y \u226535 L\/s\u00b7m\u00b2, x\u1eed l\u00fd n\u01b0\u1edbc m\u01b0a ho\u1eb7c n\u01b0\u1edbc ch\u1ea3y tr\u00e0n \u0111\u1ed9t ng\u1ed9t. \u00a0<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf ch\u1ed1ng t\u1eafc ngh\u1ebdn: Kho\u1ea3ng c\u00e1ch khe c\u1eafm \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a (\u226415 mm) gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a m\u1ea3nh v\u1ee5n, gi\u1ea3m t\u1ea7n su\u1ea5t v\u1ec7 sinh. \u00a0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">II. \u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i \u00a0<\/h3>\n\n\n\n<p><strong>1. Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00fan v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ef1c cao \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u01b0\u1eddng \u0111\u1ed9 n\u00e9n: 400\u2013600 MPa, ch\u1ecbu \u0111\u01b0\u1ee3c xe h\u1ea1ng n\u1eb7ng (c\u1ea5p D400, 40 t\u1ea5n) m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng \u1edf v\u00f9ng l\u00fan. \u00a0<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng \u0111\u1ed9ng: C\u1ea5u tr\u00fac linh ho\u1ea1t ch\u1ecbu \u0111\u01b0\u1ee3c \u0111\u1ed9 l\u00fan \u0111\u1ea5t \u00b15 mm, lo\u1ea1i b\u1ecf nguy c\u01a1 g\u00e3y\/l\u1ec7ch tr\u1ee5c. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 tu\u1ed5i th\u1ecd \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n + \u0111\u1ebf gang d\u1ebbo ch\u1ed1ng l\u1ea1i h\u01a1i mu\u1ed1i, m\u01b0a axit v\u00e0 chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan b\u0103ng (-40\u00b0C \u0111\u1ebfn 350\u00b0C). Tu\u1ed5i th\u1ecd \u226530 n\u0103m (d\u00e0i h\u01a1n 2\u20133 l\u1ea7n so v\u1edbi v\u1eadt li\u1ec7u composite). \u00a0<\/li>\n\n\n\n<li>Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh: H\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc ng\u1ea7m v\u1ecbnh Giao Ch\u00e2u Thanh \u0110\u1ea3o kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i v\u1ec1 m\u1eb7t k\u1ebft c\u1ea5u sau 10 n\u0103m. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>3. An to\u00e0n &amp; Ch\u1ed1ng tr\u1ed9m \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ec1 m\u1eb7t ch\u1ed1ng tr\u01b0\u1ee3t: H\u1ecda ti\u1ebft kim c\u01b0\u01a1ng\/g\u1ee3n s\u00f3ng (h\u1ec7 s\u1ed1 ma s\u00e1t \u22650,65) \u0111\u1ea3m b\u1ea3o ch\u1ed1ng tr\u01b0\u1ee3t khi tr\u1eddi m\u01b0a\/tuy\u1ebft. \u00a0<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf ch\u1ed1ng tr\u1ed9m: V\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 t\u00e1i ch\u1ebf + bu l\u00f4ng\/kh\u00f3a l\u00f2 xo t\u00edch h\u1ee3p gi\u00fap gi\u1ea3m nguy c\u01a1 tr\u1ed9m c\u1eafp t\u1edbi 90%. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>4. Hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 b\u1ea3o tr\u00ec th\u1ea5p \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u1eafp \u0111\u1eb7t nhanh ch\u00f3ng: Thi\u1ebft k\u1ebf d\u1ea1ng m\u00f4-\u0111un (k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n: 500\u00d7300 mm, 600\u00d7400 mm) cho ph\u00e9p m\u1ed9t c\u00f4ng nh\u00e2n v\u1eadn h\u00e0nh, gi\u1ea3m nh\u00e2n c\u00f4ng 50%. \u00a0<\/li>\n\n\n\n<li>B\u1ea3o tr\u00ec th\u1ea5p: Ch\u1ec9 c\u1ea7n r\u1eeda b\u1eb1ng \u00e1p su\u1ea5t cao; kh\u00f4ng c\u1ea7n s\u01a1n l\u1ea1i. Chi ph\u00ed v\u00f2ng \u0111\u1eddi th\u1ea5p h\u01a1n 40% so v\u1edbi s\u1eaft x\u00e1m. \u00a0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">III. \u1ee8ng d\u1ee5ng \u00a0<\/h3>\n\n\n\n<p><strong>1. N\u1ec1n m\u00f3ng \u0111\u1ea5t m\u1ec1m \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1edd s\u00f4ng, \u0111\u1ea5t khai hoang (v\u00ed d\u1ee5, Th\u01b0\u1ee3ng H\u1ea3i Lingang) v\u00e0 c\u1ed5ng t\u00e0u \u0111i\u1ec7n ng\u1ea7m, th\u00edch \u1ee9ng v\u1edbi t\u00ecnh tr\u1ea1ng l\u00fan m\u1eb7t \u0111\u1ea5t. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>2. Khu v\u1ef1c c\u00f3 l\u01b0u l\u01b0\u1ee3ng giao th\u00f4ng cao \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khu v\u1ef1c ngh\u1ec9 ng\u01a1i tr\u00ean \u0111\u01b0\u1eddng cao t\u1ed1c, c\u00f4ng vi\u00ean h\u1eadu c\u1ea7n (t\u1ea3i tr\u1ecdng c\u1ea5p D400) v\u00e0 \u0111\u01b0\u1eddng b\u0103ng s\u00e2n bay ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a xe c\u1ed9\/m\u00e1y bay h\u1ea1ng n\u1eb7ng. \u00a0<\/li>\n<\/ul>\n\n\n\n<p><strong>3. M\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n \u00a0<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c khu v\u1ef1c ven bi\u1ec3n (v\u00ed d\u1ee5, Chu H\u1ea3i Ho\u00e0nh C\u1ea7m) c\u00f3 l\u1edbp ph\u1ee7 epoxy \u0111\u1ec3 ch\u1ed1ng clorua. \u00a0<\/li>\n\n\n\n<li>V\u00f9ng h\u00f3a ch\u1ea5t (pH 3\u201312), b\u1ea3o v\u1ec7 \u0111\u01b0\u1eddng \u1ed1ng ng\u1ea7m. \u00a0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">IV. Ti\u00eau chu\u1ea9n &amp; Ch\u1ee9ng nh\u1eadn \u00a0<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Qu\u1ed1c t\u1ebf: EN 124 D400 (t\u1ea3i tr\u1ecdng), ISO 1461 (m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng). \u00a0<\/li>\n\n\n\n<li>Trung Qu\u1ed1c: GB\/T 23858-2009 (n\u1eafp h\u1ed1 ga), CJ\/T 327-2010 (c\u1eeda tho\u00e1t n\u01b0\u1edbc), JGJ 79-2012 (tu\u00e2n th\u1ee7 gi\u1ea3i quy\u1ebft). \u00a0<\/li>\n\n\n\n<li>Ch\u1ee9ng nh\u1eadn: Ch\u1ee9ng nh\u1eadn tho\u00e1t n\u01b0\u1edbc ch\u1ed1ng l\u00fan CECS, kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc GB\/T 4208 IP68. \u00a0<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea3n t\u00f3m t\u1eaft \u00a0<\/h3>\n\n\n\n<p>L\u01b0\u1edbi ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo \u0111\u1ecbnh ngh\u0129a l\u1ea1i c\u00e1c gi\u1ea3i ph\u00e1p tho\u00e1t n\u01b0\u1edbc cho \u0111\u1ecba ch\u1ea5t ph\u1ee9c t\u1ea1p th\u00f4ng qua b\u00f9 bi\u1ebfn d\u1ea1ng \u0111\u1ed9ng, gi\u00e1m s\u00e1t th\u00f4ng minh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ef1c cao. Nh\u1eefng \u0111\u1ed9t ph\u00e1 ch\u00ednh: &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1. \u0110\u1ed9 l\u00fan: \u0110\u1ed9 nghi\u00eang \u00b15\u00b0 + dung sai l\u00fan 100 mm, gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c v\u1ec1 \u0111\u1ea5t m\u1ec1m. &nbsp;<\/li>\n\n\n\n<li>2. Hi\u1ec7u qu\u1ea3 tho\u00e1t n\u01b0\u1edbc: L\u01b0u l\u01b0\u1ee3ng 35 L\/s\u00b7m\u00b2 + t\u1ef1 l\u00e0m s\u1ea1ch khi c\u00f3 l\u01b0\u1ee3ng m\u01b0a l\u1edbn. &nbsp;<\/li>\n\n\n\n<li>3. Ti\u1ebft ki\u1ec7m v\u00f2ng \u0111\u1eddi: Chu k\u1ef3 b\u1ea3o tr\u00ec mi\u1ec5n ph\u00ed 20 n\u0103m, chi ph\u00ed th\u1ea5p h\u01a1n b\u00ea t\u00f4ng 60%. &nbsp;<\/li>\n\n\n\n<li>L\u1ef1a ch\u1ecdn c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng chi\u1ebfn l\u01b0\u1ee3c cho c\u00e1c khu v\u1ef1c \u0111\u00e3 khai th\u00e1c, trung t\u00e2m giao th\u00f4ng v\u00e0 th\u00e0nh ph\u1ed1 th\u00f4ng minh, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c d\u1ef1 \u00e1n \u0111\u00f2i h\u1ecfi cao v\u1ec1 m\u1eb7t \u0111\u1ecba k\u1ef9 thu\u1eadt. &nbsp;<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt: <\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>300\u00d7500\u2013600\u00d7800mm<\/li>\n\n\n\n<li>B125\u2013E600<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>I. T\u00ednh n\u0103ng k\u1ef9 thu\u1eadt 1. V\u1eadt li\u1ec7u &amp; Quy tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u1ed1ng \u0103n m\u00f2n: 2. Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u ch\u1ed1ng l\u00fan 3. T\u1ed1i \u01b0u h\u00f3a ch\u1ee9c n\u0103ng II. \u01afu \u0111i\u1ec3m c\u1ed1t l\u00f5i 1. Kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00fan &amp; Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ef1c cao 2. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n &amp; \u0110\u1ed9 b\u1ec1n 3. An to\u00e0n &amp; Ch\u1ed1ng tr\u1ed9m 4. Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed &amp; B\u1ea3o tr\u00ec th\u1ea5p III. \u1ee8ng d\u1ee5ng 1. [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46,3,2],"tags":[75,80,81],"class_list":["post-563","post","type-post","status-publish","format-standard","hentry","category-anti-settlement-grate","category-ductile-cast-iron-products","category-products","tag-ductile-iron","tag-ductile-iron-subsidence-grate","tag-subsidence-grate"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ductile Cast Iron Subsidence Grate (Trench Cover Plate) Anti-settlement Grate - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The ductile iron subsidence grate (trench cover plate) is a specialized drainage cover designed for scenarios involving foundation settlement or dynamic load deformation. Constructed from QT500-7 ductile iron and integrated with elastic buffer structures and high-precision tolerance control, it ensures stable drainage performance under soil settlement, vehicle compression, and other deformation conditions. Key features include adaptive settlement compensation, resistance to dynamic deformation, and long-term sealing. 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Constructed from QT500-7 ductile iron and integrated with elastic buffer structures and high-precision tolerance control, it ensures stable drainage performance under soil settlement, vehicle compression, and other deformation conditions. Key features include adaptive settlement compensation, resistance to dynamic deformation, and long-term sealing. 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