{"id":915,"date":"2025-07-23T07:10:49","date_gmt":"2025-07-23T07:10:49","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=915"},"modified":"2025-07-23T07:13:03","modified_gmt":"2025-07-23T07:13:03","slug":"nap-ho-ga-chong-lun-bang-gang-deo-2","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-ho-ga-chong-lun-bang-gang-deo-2\/","title":{"rendered":"N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 700\u00d7900\u00d7190"},"content":{"rendered":"<h3 class=\"wp-block-heading\">I. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i v\u00e0 nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf &nbsp;<\/h3>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc: &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf h\u00ecnh ch\u1eef nh\u1eadt: Kho\u1ea3ng tr\u1ed1ng b\u00ean trong 700mm (c\u1ea1nh ng\u1eafn) \u00d7 900mm (c\u1ea1nh d\u00e0i) &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ed9 d\u00e0y t\u1ed5ng th\u1ec3: 190mm (bao g\u1ed3m th\u00e2n n\u1eafp, l\u1edbp ch\u1ed1ng l\u00fan v\u00e0 l\u1edbp ph\u1ee7 ch\u1ed1ng r\u01a1i) &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ed5i m\u1edbi c\u1ea5u tr\u00fac: &nbsp;<\/p>\n\n\n\n<p>Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c thi\u1ebft k\u1ebf &quot;ki\u1ec3u b\u1ec7&quot; truy\u1ec1n th\u1ed1ng, m\u1eb7t b\u00edch d\u1ea1ng v\u00f2i v\u00e0 \u1ed5 c\u1eafm truy\u1ec1n t\u1ea3i t\u1ea3i tr\u1ecdng giao th\u00f4ng &gt;80% tr\u1ef1c ti\u1ebfp xu\u1ed1ng n\u1ec1n \u0111\u01b0\u1eddng\u2014kh\u00f4ng ph\u1ea3i tr\u1ee5c g\u1ea1ch\u2014ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng l\u00fan theo b\u1eadc thang v\u00e0 l\u00fan theo chu vi. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">II. \u01afu \u0111i\u1ec3m v\u00e0 \u0111\u1ed9t ph\u00e1 ch\u00ednh &nbsp;<\/h3>\n\n\n\n<p><strong>1. H\u1ec7 th\u1ed1ng an to\u00e0n n\u0103m l\u1edbp b\u1ea3o v\u1ec7 \u00a0<\/strong><\/p>\n\n\n\n<p>Ch\u1ed1ng l\u00fan: Khung \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o l\u1edbp nh\u1ef1a \u0111\u01b0\u1eddng (kho\u1ea3ng c\u00e1ch \u22641mm), chuy\u1ec3n \u0111\u1ed9ng \u0111\u1ed3ng b\u1ed9 v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng. &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng d\u1ecbch chuy\u1ec3n v\u00e0 ch\u1ed1ng n\u1ea3y: &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1t neo \u0111\u1ea5t M16 (s\u00e2u \u2265400mm, ph\u00e2n b\u1ed1 90\u00b0) kh\u00f3a khung. \u00a0<\/p>\n\n\n\n<p>Ch\u1ed1t l\u00f2 xo ba l\u1edbp gi\u1eef ch\u1eb7t n\u1eafp kh\u1ecfi rung \u0111\u1ed9ng\/d\u1ecbch chuy\u1ec3n. \u00a0<\/p>\n\n\n\n<p>Ch\u1ed1ng \u1ed3n: Cao su CR h\u00ecnh ch\u1eef T h\u1ea5p th\u1ee5 l\u1ef1c va ch\u1ea1m (gi\u1ea3m ti\u1ebfng \u1ed3n &gt;15dB). &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng tr\u1ed9m: B\u1ea3n l\u1ec1 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 (\u00d8\u226514mm) + kh\u00f3a kh\u00f4ng chu\u1ea9n y\u00eau c\u1ea7u ph\u1ea3i c\u00f3 c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng \u0111\u1ec3 m\u1edf. &nbsp;<\/p>\n\n\n\n<p><strong>2. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i c\u1ef1c \u0111\u1ea1i \u00a0<\/strong><\/p>\n\n\n\n<p>V\u1eadt li\u1ec7u: Gang d\u1ebbo QT500-7 (\u0111\u1ed9 h\u1ea1t &gt;90%, \u0111\u1ed9 b\u1ec1n k\u00e9o \u2265500MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i \u22657%). &nbsp;<\/p>\n\n\n\n<p>S\u1ee9c ch\u1ee9a: \u0110\u1ea1t ch\u1ee9ng nh\u1eadn GB\/T 23858 D400 (t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a \u0111\u00e3 th\u1eed nghi\u1ec7m &gt;60 t\u1ea5n so v\u1edbi ti\u00eau chu\u1ea9n 36 t\u1ea5n). &nbsp;<\/p>\n\n\n\n<p>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi: Bi\u1ebfn d\u1ea1ng \u22640,2mm sau 200 ngh\u00ecn l\u1ea7n th\u1eed nghi\u1ec7m t\u1ea3i tr\u1ecdng tu\u1ea7n ho\u00e0n (m\u00f4 ph\u1ecfng l\u01b0u l\u01b0\u1ee3ng giao th\u00f4ng trong 10 n\u0103m). &nbsp;<\/p>\n\n\n\n<p><strong>3. B\u1ea3o v\u1ec7 k\u00e9p &amp; V\u1eadn h\u00e0nh &amp; B\u1ea3o tr\u00ec th\u00f4ng minh \u00a0<\/strong><\/p>\n\n\n\n<p>D\u1ef1 ph\u00f2ng ch\u1ed1ng r\u01a1i: &nbsp;<\/p>\n\n\n\n<p>L\u1edbp ph\u1ee7 ph\u1ee5 b\u1eb1ng gang d\u1ebbo d\u1ea1ng l\u01b0\u1edbi c\u00f3 k\u1eb9p ch\u1ed1ng n\u1ed5i. \u00a0<\/p>\n\n\n\n<p>\u0110\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi n\u1eafp ch\u00ednh \u0111\u1ec3 ng\u0103n ng\u1eeba r\u01a1i v\u1ee1 ngay c\u1ea3 khi n\u1eafp ch\u00ednh b\u1ecb m\u1ea5t. \u00a0<\/p>\n\n\n\n<p>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng RFID: L\u01b0u tr\u1eef c\u00e1c thu\u1ed9c t\u00ednh \u0111\u01b0\u1eddng \u1ed1ng\/d\u1eef li\u1ec7u x\u00e2y d\u1ef1ng \u0111\u1ec3 qu\u1ea3n l\u00fd k\u1ef9 thu\u1eadt s\u1ed1 v\u00f2ng \u0111\u1eddi. &nbsp;<\/p>\n\n\n\n<p><strong>4. \u0110\u1ed9 b\u1ec1n m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u00ednh kinh t\u1ebf \u00a0<\/strong><\/p>\n\n\n\n<p>Ch\u1ed1ng \u0103n m\u00f2n: L\u1edbp ph\u1ee7 Epoxy-k\u1ebdm + polyurethane ch\u1ecbu \u0111\u01b0\u1ee3c phun mu\u1ed1i trong 480 gi\u1edd (tu\u1ed5i th\u1ecd h\u01a1n 30 n\u0103m). &nbsp;<\/p>\n\n\n\n<p><strong>Ti\u1ebft ki\u1ec7m v\u00f2ng \u0111\u1eddi: \u00a0<\/strong><\/p>\n\n\n\n<p>Kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec (kh\u00f4ng c\u1ea7n s\u01a1n ph\u1ee7 l\u1ea1i\/thay th\u1ebf l\u1edbp ph\u1ee7). \u00a0<\/p>\n\n\n\n<p>60% c\u00f3 chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec th\u1ea5p h\u01a1n nh\u1edd thi\u1ebft k\u1ebf ch\u1ed1ng tr\u1ed9m. \u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">III. N\u0103m l\u1ee3i th\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh trong th\u1ef1c chi\u1ebfn &nbsp;<\/h3>\n\n\n\n<p><strong>1. X\u00f3a b\u1ecf \u0111\u1ecbnh c\u01b0 \u00a0<\/strong><\/p>\n\n\n\n<p>S\u1ef1 t\u00edch h\u1ee3p gi\u1eefa khung v\u00e0 nh\u1ef1a \u0111\u01b0\u1eddng gi\u00fap duy tr\u00ec \u0111\u1ed9 ph\u1eb3ng c\u1ee7a b\u1ec1 m\u1eb7t (\u0111\u1ed9 l\u1ec7ch \u22643mm sau 5 n\u0103m t\u1ea1i c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng v\u1eadn chuy\u1ec3n h\u00e0ng h\u00f3a trong c\u1ea3ng). &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf c\u1ea1nh ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc m\u01b0a. &nbsp;<\/p>\n\n\n\n<p><strong>2. Bi\u00ean \u0111\u1ed9 an to\u00e0n 60 t\u1ea5n \u00a0<\/strong><\/p>\n\n\n\n<p>K\u1ebft c\u1ea5u ch\u1eadu s\u00e2u + g\u00e2n ngang ch\u1ecbu \u0111\u01b0\u1ee3c qu\u00e1 t\u1ea3i (v\u00ed d\u1ee5 xe ben 60 t\u1ea5n), u\u1ed1n cong m\u00e0 kh\u00f4ng g\u00e3y. <\/p>\n\n\n\n<p><strong>3. N\u0103m bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 \u0111ang \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u00a0<\/strong><\/p>\n\n\n\n<p>\u0110\u1ed9 \u1ed3n: \u226445dB t\u1ea1i khu d\u00e2n c\u01b0. &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng tr\u01b0\u1ee3t: C\u00e1c kh\u00eda kim c\u01b0\u01a1ng 3mm (h\u1ec7 s\u1ed1 ma s\u00e1t 0,65 khi \u01b0\u1edbt). &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng tr\u1ed9m: T\u1ef7 l\u1ec7 tr\u1ed9m c\u1eafp g\u1ea7n nh\u01b0 b\u1eb1ng kh\u00f4ng (v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 t\u00e1i ch\u1ebf + kh\u00f3a \u1ea9n). &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng r\u01a1i: B\u1ea3o v\u1ec7 hai l\u1edbp. &nbsp;<\/p>\n\n\n\n<p><strong>4. Kh\u1ea3 n\u0103ng th\u00edch nghi v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t \u00a0<\/strong><\/p>\n\n\n\n<p>Ch\u1ed1ng l\u1ea1i ch\u1ea5t ph\u00e1 b\u0103ng, m\u01b0a axit v\u00e0 d\u1ea7u (hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb -30\u00b0C \u0111\u1ebfn 150\u00b0C). &nbsp;<\/p>\n\n\n\n<p><strong>5. Hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec th\u00f4ng minh \u00a0<\/strong><\/p>\n\n\n\n<p>RFID &quot;E-ID&quot;: D\u1eef li\u1ec7u \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 th\u1ec3 qu\u00e9t qua thi\u1ebft b\u1ecb di \u0111\u1ed9ng. &nbsp;<\/p>\n\n\n\n<p>Kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec: Tu\u1ed5i th\u1ecd 30 n\u0103m; ch\u1ec9 c\u1ea7n x\u1ea3 s\u1ea1ch m\u1ea3nh v\u1ee5n. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IV. C\u00e1c t\u00ecnh hu\u1ed1ng \u1ee9ng d\u1ee5ng quan tr\u1ecdng &nbsp;<\/h3>\n\n\n\n<p>1. H\u00e0nh lang v\u1eadn t\u1ea3i h\u1ea1ng n\u1eb7ng: C\u1ea3ng container, trung t\u00e2m h\u1eadu c\u1ea7n (s\u1ee9c ch\u1ee9a 60 t\u1ea5n \u0111\u1ec3 x\u1eed l\u00fd xe qu\u00e1 t\u1ea3i). &nbsp;<\/p>\n\n\n\n<p>2. Khu v\u1ef1c d\u1ec5 b\u1ecb ng\u1eadp l\u1ee5t: K\u1ebft c\u1ea5u k\u00edn ng\u0103n n\u01b0\u1edbc x\u00e2m nh\u1eadp v\u00e0o c\u00e1c \u0111\u01b0\u1eddng h\u1ea7m ng\u1ea7m. &nbsp;<\/p>\n\n\n\n<p>3. Tr\u00ecnh di\u1ec5n th\u00e0nh ph\u1ed1 th\u00f4ng minh: Gi\u00e1m s\u00e1t m\u1ef1c n\u01b0\u1edbc\/chuy\u1ec3n d\u1ecbch b\u1eb1ng RFID. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u1ebft lu\u1eadn: T\u1ea1i sao n\u00f3 \u0111\u1ecbnh ngh\u0129a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n \u0111\u1ea1i &nbsp;<\/h3>\n\n\n\n<p>N\u1eafp \u0111\u1eady 700\u00d7900\u00d7190 \u0111\u00e3 tr\u1edf th\u00e0nh &quot;ti\u00eau chu\u1ea9n m\u1eb7c \u0111\u1ecbnh&quot; cho c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng t\u1ea3i tr\u1ecdng n\u1eb7ng nh\u1edd gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 l\u00fan th\u00f4ng qua c\u01a1 ch\u1ebf \u1ed5 c\u1eafm, \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u00f4ng qua n\u0103m bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 v\u00e0 lo\u1ea1i b\u1ecf g\u00e1nh n\u1eb7ng v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec d\u00e0i h\u1ea1n. S\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn 5G, n\u1eafp \u0111\u1eady n\u00e0y s\u1ebd ph\u00e1t tri\u1ec3n th\u00e0nh &quot;\u0111\u1ea7u d\u00e2y th\u1ea7n kinh&quot; c\u1ee7a m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng th\u00f4ng minh - hi\u1ec7n th\u00e2n cho s\u1ef1 theo \u0111u\u1ed5i kh\u00f4ng ng\u1eebng ngh\u1ec9 c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ed1 v\u1ec1 an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. L\u1ea7n t\u1edbi khi b\u1ea1n \u0111i qua m\u1ed9t c\u1ea3ng container, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn nh\u1eefng ng\u01b0\u1eddi l\u00ednh g\u00e1c s\u1eaft th\u1ea7m l\u1eb7ng n\u00e0y: ch\u00fang duy tr\u00ec tr\u1eadt t\u1ef1 d\u01b0\u1edbi nh\u1eefng b\u00e1nh xe g\u1ea7m r\u00fa, b\u1ea3o v\u1ec7 s\u1ef1 s\u1ed1ng c\u00f2n c\u1ee7a th\u1ebf gi\u1edbi ng\u1ea7m c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"<p>I. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i &amp; Nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf K\u00edch th\u01b0\u1edbc: Thi\u1ebft k\u1ebf h\u00ecnh ch\u1eef nh\u1eadt: Kho\u1ea3ng s\u00e1ng g\u1ea7m b\u00ean trong 700mm (c\u1ea1nh ng\u1eafn) \u00d7 900mm (c\u1ea1nh d\u00e0i) T\u1ed5ng \u0111\u1ed9 d\u00e0y: 190mm (bao g\u1ed3m th\u00e2n n\u1eafp, l\u1edbp ch\u1ed1ng l\u00fan v\u00e0 l\u1edbp ph\u1ee7 ch\u1ed1ng r\u01a1i) C\u1ea3i ti\u1ebfn v\u1ec1 c\u1ea5u tr\u00fac: Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c thi\u1ebft k\u1ebf &quot;ki\u1ec3u b\u1ec7&quot; truy\u1ec1n th\u1ed1ng, m\u1eb7t b\u00edch d\u1ea1ng v\u00f2i v\u00e0 \u1ed5 c\u1eafm truy\u1ec1n t\u1ea3i tr\u1ecdng giao th\u00f4ng &gt;80% tr\u1ef1c ti\u1ebfp xu\u1ed1ng n\u1ec1n \u0111\u01b0\u1eddng\u2014kh\u00f4ng ph\u1ea3i tr\u1ee5c g\u1ea1ch\u2014ng\u0103n ch\u1eb7n [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42,3,2,8],"tags":[126,63],"class_list":["post-915","post","type-post","status-publish","format-standard","hentry","category-anti-settlement-manhole-cover","category-ductile-cast-iron-products","category-products","category-round-manhole-cover","tag-ductile-cast-iron","tag-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>700\u00d7900\u00d7190 Ductile Iron Anti-Settlement Manhole Cover manhole cover - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"This 190mm-thick ductile iron anti-settlement cover fundamentally reengineers load transfer paths. Its spigot-and-socket structure eliminates settlement failures, QT500-7 high-toughness material withstands heavy impacts, and a five-safeguard locking system delivers &quot;silent + theft-proof + safe&quot; triple protection. The integrated anti-fall sub-cover and RFID expandability represent the evolution toward &quot;intrinsic safety + smart O&amp;M.&quot; Whether confronting extreme traffic, corrosive environments, or smart-city demands, it is the optimal solution for long-term underground infrastructure service and public safety.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lzbmetal.com\/vi\/nap-ho-ga-chong-lun-bang-gang-deo-2\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"700\u00d7900\u00d7190 Ductile Iron Anti-Settlement Manhole Cover manhole cover - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"This 190mm-thick ductile iron anti-settlement cover fundamentally reengineers load transfer paths. Its spigot-and-socket structure eliminates settlement failures, QT500-7 high-toughness material withstands heavy impacts, and a five-safeguard locking system delivers &quot;silent + theft-proof + safe&quot; triple protection. 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