{"id":926,"date":"2025-07-25T05:35:10","date_gmt":"2025-07-25T05:35:10","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=926"},"modified":"2025-07-25T05:35:11","modified_gmt":"2025-07-25T05:35:11","slug":"nap-ho-ga-chong-lun-bang-gang-deo-3","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-ho-ga-chong-lun-bang-gang-deo-3\/","title":{"rendered":"N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 750\u00d7950\u00d7190"},"content":{"rendered":"<h3 class=\"wp-block-heading\">I. Thi\u1ebft k\u1ebf ch\u1ed1ng \u0111\u1ecbnh c\u01b0 \u0111\u1ed9t ph\u00e1 &nbsp;<\/h3>\n\n\n\n<p>1. H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng 3D &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ebf b\u00edch v\u00f2i: B\u00edch r\u1ed9ng \u2265150mm \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o n\u1ec1n nh\u1ef1a \u0111\u01b0\u1eddng, truy\u1ec1n t\u1ea3i tr\u1ecdng giao th\u00f4ng &gt;85% tr\u1ef1c ti\u1ebfp \u0111\u1ebfn l\u1edbp n\u1ec1n \u0111\u01b0\u1eddng (lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng &quot;l\u00fan h\u00ecnh b\u00e1t&quot;). &nbsp;<\/p>\n\n\n\n<p>L\u1edbp \u0111\u00e0n h\u1ed3i n\u00e9n tr\u01b0\u1edbc: B\u1ed9 \u0111\u1ec7m cao su m\u1eadt \u0111\u1ed9 cao b\u00f9 \u0111\u1eafp cho s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a n\u1ec1n \u0111\u1ea5t, duy tr\u00ec \u0111\u1ed9 ph\u1eb3ng c\u1ee7a l\u1edbp ph\u1ee7 \u0111\u01b0\u1eddng \u22640,5mm. &nbsp;<\/p>\n\n\n\n<p>2. Kh\u00f3a ch\u1ed1ng d\u1ecbch chuy\u1ec3n ba l\u1ea7n &nbsp;<\/p>\n\n\n\n<p>Ma tr\u1eadn neo: B\u1ed1n neo \u0111\u1ea5t M20 (s\u00e2u 500mm, g\u00f3c ch\u00e9o 120\u00b0) \u0111\u01b0\u1ee3c bu l\u00f4ng v\u00e0o b\u00ea t\u00f4ng c\u1ed1t th\u00e9p. <\/p>\n\n\n\n<p>Ch\u1ed1t l\u00f2 xo t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh: T\u00e1m ch\u1ed1t th\u00e9p l\u00f2 xo kh\u1edbp v\u00e0o r\u00e3nh khung \u0111\u1ec3 ch\u1ed1ng c\u1eaft theo chi\u1ec1u ngang. &nbsp;<\/p>\n\n\n\n<p>B\u1ea3o v\u1ec7 b\u1ea3n l\u1ec1: B\u1ea3n l\u1ec1 th\u00e9p kh\u00f4ng g\u1ec9 18mm + k\u1eb9p ch\u1ed1ng k\u1eb9t gi\u00fap ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng t\u00e1ch r\u1eddi do va ch\u1ea1m. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">II. N\u0103m l\u1ee3i th\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh tr\u00ean chi\u1ebfn tr\u01b0\u1eddng &nbsp;<\/h3>\n\n\n\n<p>1. Lo\u1ea1i b\u1ecf gi\u1ea3i quy\u1ebft &nbsp;<\/p>\n\n\n\n<p>S\u1ef1 t\u00edch h\u1ee3p m\u1eb7t b\u00edch-nh\u1ef1a \u0111\u01b0\u1eddng duy tr\u00ec \u0111\u1ed9 l\u1ec7ch \u22643mm sau 5 n\u0103m (so v\u1edbi &gt;15mm \u0111\u1ed1i v\u1edbi l\u1edbp ph\u1ee7 th\u00f4ng th\u01b0\u1eddng). &nbsp;<\/p>\n\n\n\n<p>Gio\u0103ng thu\u00f4n nh\u1ecdn + v\u00e0nh ch\u1eafn n\u01b0\u1edbc gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 x\u00f3i m\u00f2n do m\u01b0a. &nbsp;<\/p>\n\n\n\n<p>2. N\u1eafm v\u1eefng t\u1ea3i tr\u1ecdng 65 t\u1ea5n &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ed9 d\u00e0y 190mm + g\u00e2n h\u01b0\u1edbng t\u00e2m ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng 65 t\u1ea5n (v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n 36 t\u1ea5n c\u1ee7a GB\/T 23858 D400). Kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng khi xe container l\u01b0u th\u00f4ng h\u00e0ng ng\u00e0y. &nbsp;<\/p>\n\n\n\n<p>3. Ng\u0169 B\u1ea3o Th\u00e0nh &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ed9 \u1ed3n: \u226443dB v\u1edbi b\u1ed9 gi\u1ea3m ch\u1ea5n cao su T (y\u00ean t\u0129nh \u1edf m\u1ee9c m\u00f4i tr\u01b0\u1eddng xung quanh). &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng tr\u01b0\u1ee3t: S\u00f3ng kh\u1eafc laser + c\u00e1c kh\u00eda si\u00eau nh\u1ecf (ma s\u00e1t \u01b0\u1edbt 0,68 &gt; 0,6 theo ti\u00eau chu\u1ea9n qu\u1ed1c gia). &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng tr\u1ed9m: Kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb ph\u1ebf li\u1ec7u + kh\u00f3a b\u1ea3n l\u1ec1 \u1ea9n (t\u1ef7 l\u1ec7 tr\u1ed9m c\u1eafp 0%). &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng n\u1ea3y: Tay l\u00f2 xo trung h\u00f2a l\u1ef1c t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u00e1nh xe. &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1ng r\u01a1i: N\u1eafp \u0111\u1eady c\u00f3 kh\u00f3a c\u01a1 h\u1ecdc. &nbsp;<\/p>\n\n\n\n<p>4. C\u1ef1u chi\u1ebfn binh m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t &nbsp;<\/p>\n\n\n\n<p>L\u1edbp ph\u1ee7 k\u1ebdm nh\u00fang n\u00f3ng + epoxy-nh\u1ef1a \u0111\u01b0\u1eddng ch\u1ed1ng l\u1ea1i ch\u1ea5t ph\u00e1 b\u0103ng\/axit\/d\u1ea7u (ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 phun mu\u1ed1i tr\u00ean 25 n\u0103m). &nbsp;<\/p>\n\n\n\n<p>\u1ed4n \u0111\u1ecbnh t\u1eeb -40\u00b0C (\u0111\u1ea5t \u0111\u00f3ng b\u0103ng v\u0129nh c\u1eedu) \u0111\u1ebfn 180\u00b0C (b\u1ee9c x\u1ea1 nh\u00e0 m\u00e1y th\u00e9p). &nbsp;<\/p>\n\n\n\n<p>5. Cu\u1ed9c c\u00e1ch m\u1ea1ng v\u1eadn h\u00e0nh v\u00e0 b\u1ea3o tr\u00ec th\u00f4ng minh &nbsp;<\/p>\n\n\n\n<p>Chip RFID t\u00f9y ch\u1ecdn l\u01b0u tr\u1eef nh\u1eadt k\u00fd b\u1ea3o tr\u00ec\/thu\u1ed9c t\u00ednh\/\u0111\u1ed9 s\u00e2u \u0111\u01b0\u1eddng \u1ed1ng\u2014ki\u1ec3m tra nhanh h\u01a1n g\u1ea5p 5 l\u1ea7n th\u00f4ng qua qu\u00e9t di \u0111\u1ed9ng. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">III. Kinh t\u1ebf d\u1ef1 \u00e1n &nbsp;<\/h3>\n\n\n\n<p>1. Tu\u1ed5i th\u1ecd kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec &nbsp;<\/p>\n\n\n\n<p>H\u01a1n 10 n\u0103m gi\u1eefa c\u00e1c l\u1ea7n s\u1eeda ch\u1eefa; chi ph\u00ed b\u1ea3o tr\u00ec h\u00e0ng n\u0103m th\u1ea5p h\u01a1n 75%. &nbsp;<\/p>\n\n\n\n<p>Ch\u1ed1t\/ph\u1edbt t\u1ef1 b\u00f4i tr\u01a1n kh\u00f4ng bao gi\u1edd c\u1ea7n ph\u1ea3i thay th\u1ebf. &nbsp;<\/p>\n\n\n\n<p>2. C\u00e0i \u0111\u1eb7t nhanh ch\u00f3ng &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ecbnh v\u1ecb theo m\u1eabu (&lt;30 ph\u00fat; \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ed9 cao \u00b11mm). &nbsp;<\/p>\n\n\n\n<p>T\u00edch h\u1ee3p nh\u1ef1a \u0111\u01b0\u1eddng nh\u00fang n\u00f3ng\u2014kh\u00f4ng c\u00f3 s\u1ef1 ch\u1eadm tr\u1ec5 trong qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">IV. Giao th\u1ee9c c\u00e0i \u0111\u1eb7t quan tr\u1ecdng &nbsp;<\/h3>\n\n\n\n<p>1. Neo ch\u1ed1ng &quot;ch\u00e2n m\u1ec1m&quot; &nbsp;<\/p>\n\n\n\n<p>\u0110\u00e0o \u0111\u1ea5t c\u00f3 \u0111\u01b0\u1eddng k\u00ednh &gt;130cm (khung + l\u1ec1 20cm). &nbsp;<\/p>\n\n\n\n<p>L\u1ea5p \u0111\u1ea7y b\u1eb1ng b\u00ea t\u00f4ng s\u1ee3i th\u00e9p C30 (kh\u00f4ng c\u00f3 \u0111\u1ea5t t\u01a1i x\u1ed1p). &nbsp;<\/p>\n\n\n\n<p>Neo M20 s\u00e2u \u226535cm \u1edf g\u00f3c h\u01b0\u1edbng ra ngo\u00e0i 15\u00b0. &nbsp;<\/p>\n\n\n\n<p>2. \u0110\u01b0\u1eddng d\u00e2y n\u00f3ng t\u00edch h\u1ee3p \u0111\u01b0\u1eddng b\u1ed9 &nbsp;<\/p>\n\n\n\n<p>Ph\u1ea7n tr\u00ean c\u1ee7a khung c\u00e1ch m\u1eb7t \u0111\u01b0\u1eddng 4\u20136cm. &nbsp;<\/p>\n\n\n\n<p>N\u00e9n nh\u1ef1a \u0111\u01b0\u1eddng hai giai \u0111o\u1ea1n: ban \u0111\u1ea7u \u1edf nhi\u1ec7t \u0111\u1ed9 140\u00b0C, giai \u0111o\u1ea1n cu\u1ed1i \u1edf nhi\u1ec7t \u0111\u1ed9 110\u00b0C. &nbsp;<\/p>\n\n\n\n<p>C\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c l\u1ea5p \u0111\u1ea7y b\u1eb1ng nh\u1ef1a \u0111\u01b0\u1eddng bi\u1ebfn t\u00ednh \u1edf nhi\u1ec7t \u0111\u1ed9 180\u00b0C. &nbsp;<\/p>\n\n\n\n<p>3. T\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 d\u1ed1c tho\u00e1t n\u01b0\u1edbc &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ed9 nghi\u00eang ra ngo\u00e0i 5\u00b0 (so v\u1edbi ti\u00eau chu\u1ea9n 3\u00b0)\u201430% tho\u00e1t n\u01b0\u1edbc m\u01b0a nhanh h\u01a1n qua chi\u1ec1u d\u00e0i 950mm. &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V. C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh &nbsp;<\/h3>\n\n\n\n<p>Khu v\u1ef1c si\u00eau n\u1eb7ng: B\u00e3i ch\u1ee9a container t\u1ea1i c\u1ea3ng, \u0111\u01b0\u1eddng l\u0103n s\u00e2n bay, h\u00e0nh lang xe chuy\u00ean d\u1ee5ng (s\u1ee9c ch\u1ee9a 100 t\u1ea5n). &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ecba ch\u1ea5t nh\u1ea1y c\u1ea3m: \u0110\u1ea5t m\u1ec1m, khu v\u1ef1c l\u1ea5p \u0111\u1ea7y d\u1ec5 b\u1ecb l\u00fan. &nbsp;<\/p>\n\n\n\n<p>Tr\u00ecnh di\u1ec5n th\u00e0nh ph\u1ed1 th\u00f4ng minh: C\u00e1c n\u00fat \u0111\u01b0\u1eddng \u1ed1ng c\u1ed1t l\u00f5i cho IoT \u0111\u00f4 th\u1ecb. &nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L\u1eddi k\u1ebft: Hai m\u01b0\u01a1i l\u0103m n\u0103m sau, n\u00f3 v\u1eabn l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi t\u1ed1i \u01b0u cho nh\u1eefng con \u0111\u01b0\u1eddng ch\u1ecbu t\u1ea3i n\u1eb7ng &nbsp;<\/h2>\n\n\n\n<p>Qua hai th\u1eadp k\u1ef7 l\u0103n b\u00e1nh tr\u00ean \u0111\u01b0\u1eddng, t\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn v\u00f4 s\u1ed1 n\u1eafp \u0111\u1eady b\u1ecb cong v\u00eanh do qu\u00e1 t\u1ea3i v\u00e0 \u0111\u00e3 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng ch\u1ed1ng l\u00fan \u0111\u1ea7u ti\u00ean c\u1ee7a th\u00e0nh ph\u1ed1 n\u00e0y. N\u1eafp \u0111\u1eady 750\u00d7950\u00d7190 \u0111\u01b0\u1ee3c coi l\u00e0 &quot;n\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng t\u1ea3i tr\u1ecdng n\u1eb7ng&quot; b\u1eb1ng c\u00e1ch ch\u1ebf ng\u1ef1 l\u00fan b\u1eb1ng c\u1ea5u tr\u00fac khay c\u1ee7a n\u00f3, c\u1ee7ng c\u1ed1 an to\u00e0n th\u00f4ng qua n\u0103m bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c tu\u1ed5i th\u1ecd n\u1eeda th\u1ebf k\u1ef7 v\u1edbi chi ph\u00ed v\u00f2ng \u0111\u1eddi t\u1ed1i thi\u1ec3u. Khi c\u00e1c c\u1ea3m bi\u1ebfn nh\u00fang truy\u1ec1n d\u1eef li\u1ec7u s\u1ee9c kh\u1ecfe \u0111\u1ea7u ti\u00ean, ch\u00fang ta s\u1ebd chuy\u1ec3n t\u1eeb c\u00e1c bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c ph\u1ea3n \u1ee9ng sang gi\u00e1m s\u00e1t ch\u1ee7 \u0111\u1ed9ng\u2014b\u00ean d\u01b0\u1edbi h\u00ecnh ch\u1eef nh\u1eadt \u0111en n\u00e0y l\u00e0 nh\u1ecbp \u0111\u1eadp tr\u00e1i tim ki\u00ean c\u01b0\u1eddng c\u1ee7a th\u00e0nh ph\u1ed1.<\/p>","protected":false},"excerpt":{"rendered":"<p>I. Thi\u1ebft k\u1ebf ch\u1ed1ng l\u00fan \u0111\u1ed9t ph\u00e1 1. H\u1ec7 th\u1ed1ng ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng 3D - \u0110\u1ebf b\u00edch n\u1ed1i: B\u00edch n\u1ed1i r\u1ed9ng \u2265150mm \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o n\u1ec1n nh\u1ef1a \u0111\u01b0\u1eddng, truy\u1ec1n t\u1ea3i tr\u1ecdng giao th\u00f4ng &gt;85% tr\u1ef1c ti\u1ebfp xu\u1ed1ng n\u1ec1n \u0111\u01b0\u1eddng (lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng &quot;l\u00fan h\u00ecnh b\u00e1t&quot;). L\u1edbp \u0111\u00e0n h\u1ed3i n\u00e9n tr\u01b0\u1edbc: \u0110\u1ec7m cao su m\u1eadt \u0111\u1ed9 cao b\u00f9 tr\u1eeb bi\u1ebfn d\u1ea1ng n\u1ec1n \u0111\u01b0\u1eddng, duy tr\u00ec \u0111\u1ed9 ph\u1eb3ng m\u1eb7t \u0111\u01b0\u1eddng \u22640,5mm. 2. Ma tr\u1eadn neo kh\u00f3a ch\u1ed1ng d\u1ecbch chuy\u1ec3n ba l\u1edbp: B\u1ed1n neo M20 [\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-926","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>750\u00d7950\u00d7190 Ductile Cast Iron\u00a0Anti-Settlement Manhole Cover - Ductile Iron Manhole Cover - luzhongbao<\/title>\n<meta name=\"description\" content=\"This cover eradicates settlement through spigot-flange load dispersion, leveraging QT600-3\/QT500-7 super-Ductile Cast Iron for 60-ton protection. Its 190mm-thick structure integrates an anti-fall sub-cover and smart sensor module, fusing physical safety with digital management. Crucially, zinc-fluorocarbon anti-corrosion extends service life beyond 40 years in harsh environments, while modular installation slashes road occupation time\u2014redefining the balance between urban safety and operational efficiency.\" \/>\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-3\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"750\u00d7950\u00d7190 Ductile Cast Iron\u00a0Anti-Settlement Manhole Cover - Ductile Iron Manhole Cover - luzhongbao\" \/>\n<meta property=\"og:description\" content=\"This cover eradicates settlement through spigot-flange load dispersion, leveraging QT600-3\/QT500-7 super-Ductile Cast Iron for 60-ton protection. Its 190mm-thick structure integrates an anti-fall sub-cover and smart sensor module, fusing physical safety with digital management. 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