{"id":1057,"date":"2025-08-25T06:39:52","date_gmt":"2025-08-25T06:39:52","guid":{"rendered":"https:\/\/luzhongbao.com\/?p=1057"},"modified":"2025-08-25T06:39:53","modified_gmt":"2025-08-25T06:39:53","slug":"luoi-tron-chong-lun-bang-gang-deo-500x600x120","status":"publish","type":"post","link":"https:\/\/luzhongbao.com\/vi\/luoi-tron-chong-lun-bang-gang-deo-500x600x120\/","title":{"rendered":"L\u01b0\u1edbi tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 500\u00d7600\u00d7120"},"content":{"rendered":"<p>L\u01b0\u1edbi tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo Luzhongbao 500\u00d7600\u00d7120: Ng\u01b0\u1eddi b\u1ea3o v\u1ec7 v\u1eefng ch\u1eafc cho \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb.<\/p>\n\n\n\n<p>C\u00e1c t\u00ednh n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a L\u01b0\u1edbi tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 500\u00d7600\u00d7120 &nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea5u tr\u00fac ch\u1ed1ng \u0111\u1ecbnh c\u01b0 mang t\u00ednh c\u00e1ch m\u1ea1ng \u00a0<\/h3>\n\n\n\n<p>Khung li\u1ec1n kh\u1ed1i \u0111\u01b0\u1ee3c \u0111\u00e0o s\u00e2u (cao 120mm) m\u1edf r\u1ed9ng di\u1ec7n t\u00edch ch\u1ecbu l\u1ef1c. T\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c truy\u1ec1n theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng qua th\u00e0nh khung \u0111\u1ebfn l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a, lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng l\u00fan do \u0111\u1ea5t \u0111\u1eafp kh\u00f4ng \u0111\u1ec1u. &nbsp;<\/p>\n\n\n\n<p>\u0110\u1ebf c\u00f3 v\u00e0nh r\u1ed9ng gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng li\u00ean k\u1ebft v\u1edbi n\u1ec1n m\u00f3ng, t\u1ea1o th\u00e0nh &quot;khung g\u1ea7m&quot; \u1ed5n \u0111\u1ecbnh, duy tr\u00ec s\u1ef1 th\u1eb3ng h\u00e0ng v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng trong th\u1eddi gian d\u00e0i. &nbsp;<\/p>\n\n\n\n<p>Tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n ch\u1ed1ng l\u00fan CJ\/T 327, lo\u1ea1i b\u1ecf &quot;b\u1eaby ch\u1ea5n song&quot; ngay t\u1eeb ngu\u1ed3n g\u1ed1c. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng n\u1eb7ng c\u1ef1c m\u1ea1nh \u00a0<\/h3>\n\n\n\n<p>C\u1ea3 song ch\u1eafn v\u00e0 khung \u0111\u1ec1u s\u1eed d\u1ee5ng gang d\u1ebbo QT500-7 (\u0110\u1ed9 b\u1ec1n k\u00e9o \u2265500MPa), mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ecbu n\u00e9n v\u00e0 ch\u1ed1ng m\u1ecfi v\u01b0\u1ee3t tr\u1ed9i. &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf d\u00e0y (l\u01b0\u1edbi \u226550mm, th\u00e0nh khung \u226510mm) \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t t\u1eeb L\u1edbp D400 (400kN) \u0111\u1ebfn E600 (600kN), d\u1ec5 d\u00e0ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u01b0u l\u01b0\u1ee3ng xe t\u1ea3i h\u1ea1ng n\u1eb7ng v\u00e0 xe bu\u00fdt th\u01b0\u1eddng xuy\u00ean. &nbsp;<\/p>\n\n\n\n<p>C\u1ea5u tr\u00fac c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a \u0111\u1ea3m b\u1ea3o ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng khoa h\u1ecdc, b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 c\u00e1c ti\u1ec7n \u00edch ng\u1ea7m. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00f4ng ngh\u1ec7 gi\u1ea3m x\u00f3c ba l\u1ea7n v\u00e0 im l\u1eb7ng \u00a0<\/h3>\n\n\n\n<p>T\u1ea5m \u0111\u1ec7m gi\u1ea3m ch\u1ea5n b\u1eb1ng cao su \u0111\u00e0n h\u1ed3i cao \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p gi\u00fap h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m c\u1ee7a xe. &nbsp;<\/p>\n\n\n\n<p>D\u1ea3i cao su gi\u1ea3m ti\u1ebfng \u1ed3n b\u1ed5 sung tr\u00ean \u0111\u1ebf v\u1ec9 n\u01b0\u1edbng t\u1ea1o ra s\u1ef1 ti\u1ebfp x\u00fac linh ho\u1ea1t v\u1edbi khung, lo\u1ea1i b\u1ecf ti\u1ebfng kim lo\u1ea1i va ch\u1ea1m. &nbsp;<\/p>\n\n\n\n<p>C\u1ea5u tr\u00fac kh\u00f3a n\u00eam ch\u00ednh x\u00e1c gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 n\u1ea3y c\u1ee7a thanh ch\u1eafn, \u0111\u1ea3m b\u1ea3o lu\u1ed3ng giao th\u00f4ng \u00eam \u00e1i, m\u01b0\u1ee3t m\u00e0 v\u00e0 n\u00e2ng cao b\u1ea7u kh\u00f4ng kh\u00ed \u0111\u00f4 th\u1ecb. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ed1ng tr\u1ed9m an ninh cao v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec \u00a0<\/h3>\n\n\n\n<p>Kh\u00f3a ch\u1ed1ng tr\u1ed9m ti\u00eau chu\u1ea9n ch\u1ecbu l\u1ef1c cao (kh\u00f3a ba \u0111i\u1ec3m ho\u1eb7c ch\u1ed1t \u1ea9n) y\u00eau c\u1ea7u c\u00e1c c\u00f4ng c\u1ee5 chuy\u00ean d\u1ee5ng, v\u01b0\u1ee3t qu\u00e1 ti\u00eau chu\u1ea9n an ninh qu\u1ed1c gia. &nbsp;<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf m\u00f4-\u0111un cho ph\u00e9p thay th\u1ebf nhanh ch\u00f3ng; thang n\u00e2ng b\u1ea3o tr\u00ec ch\u1ec9 c\u00f3 ghi \u0111\u00f4ng, tr\u00e1nh ph\u00e1 d\u1ee1 m\u1eb7t \u0111\u01b0\u1eddng, gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u00e0 th\u1eddi gian ch\u1ebft. &nbsp;<\/p>\n\n\n\n<p>C\u00e1c l\u1ed7 n\u00e2ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t s\u1eb5n \u0111\u1ea3m b\u1ea3o l\u1eafp \u0111\u1eb7t an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ch\u1ed1ng k\u00edn l\u00e2u d\u00e0i \u00a0<\/h3>\n\n\n\n<p>B\u1ea3o v\u1ec7 ba l\u1edbp: N\u1ec1n gang d\u1ebbo + khung m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (\u2265150\u03bcm) + l\u1edbp ph\u1ee7 nh\u1ef1a \u0111\u01b0\u1eddng epoxy. Ch\u1ed1ng mu\u1ed1i tan b\u0103ng v\u00e0 m\u01b0a axit, tu\u1ed5i th\u1ecd &gt;30 n\u0103m. &nbsp;<\/p>\n\n\n\n<p>L\u1edbp ph\u1ee7 nh\u1ef1a \u0111\u01b0\u1eddng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao li\u00ean k\u1ebft khung v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, ng\u0103n ch\u1eb7n hi\u1ec7u qu\u1ea3 s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc m\u01b0a v\u00e0 c\u1eb7n b\u1ea9n, gi\u1eef cho \u0111\u01b0\u1eddng \u1ed1ng kh\u00f4 r\u00e1o v\u00e0 s\u1ea1ch s\u1ebd. &nbsp;<\/p>\n\n\n\n<p>H\u1ecda ti\u1ebft x\u01b0\u01a1ng c\u00e1 ch\u1ed1ng tr\u01b0\u1ee3t s\u00e2u tr\u00ean b\u1ec1 m\u1eb7t v\u1ec9 n\u01b0\u1edbng (h\u1ec7 s\u1ed1 ma s\u00e1t &gt;0,6) mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t v\u01b0\u1ee3t tr\u1ed9i khi tr\u1eddi m\u01b0a\/tuy\u1ebft. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>L\u01b0\u1edbi th\u00e9p tr\u00f2n ch\u1ed1ng l\u00fan Luzhongbao 500\u00d7600\u00d7120 \u0111\u1ecbnh ngh\u0129a l\u1ea1i ti\u00eau chu\u1ea9n l\u01b0\u1edbi th\u00e9p \u0111\u01b0\u1eddng b\u1ed9 ch\u1ea5t l\u01b0\u1ee3ng cao v\u1edbi c\u00f4ng ngh\u1ec7 l\u00f5i kh\u00f4ng l\u00fan, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i \u0111\u1ea1t chu\u1ea9n qu\u00e2n s\u1ef1, v\u1eadn h\u00e0nh \u00eam \u00e1i v\u00e0 tu\u1ed5i th\u1ecd k\u00e9o d\u00e0i. S\u1ea3n ph\u1ea9m cung c\u1ea5p gi\u1ea3i ph\u00e1p chu\u1ea9n m\u1ef1c cho ph\u00e1t tri\u1ec3n \u0111\u00f4 th\u1ecb th\u00f4ng minh v\u00e0 n\u00e2ng cao an to\u00e0n \u0111\u01b0\u1eddng b\u1ed9.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u01b0\u1edbi th\u00e9p tr\u00f2n ch\u1ed1ng l\u00fan Luzhongbao 500\u00d7600\u00d7120: Ng\u01b0\u1eddi b\u1ea3o v\u1ec7 v\u1eefng ch\u1eafc cho \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb. C\u00e1c t\u00ednh n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a l\u01b0\u1edbi th\u00e9p tr\u00f2n ch\u1ed1ng l\u00fan Luzhongbao 500\u00d7600\u00d7120: K\u1ebft c\u1ea5u ch\u1ed1ng l\u00fan \u0111\u1ed9t ph\u00e1. Khung li\u1ec1n kh\u1ed1i s\u00e2u (cao 120mm) m\u1edf r\u1ed9ng di\u1ec7n t\u00edch ch\u1ecbu l\u1ef1c. T\u1ea3i tr\u1ecdng truy\u1ec1n theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng qua th\u00e0nh khung \u0111\u1ebfn l\u1edbp m\u1eb7t \u0111\u01b0\u1eddng b\u00ea t\u00f4ng nh\u1ef1a, lo\u1ea1i b\u1ecf hi\u1ec7n t\u01b0\u1ee3ng l\u00fan do \u0111\u1ea5t \u0111\u1eafp kh\u00f4ng \u0111\u1ec1u. [\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-1057","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>500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"In urban road upgrades, main road maintenance, and high-standard municipal projects, the &quot;bumping&quot; problem caused by grate settlement severely threatens traffic safety and road longevity. The Luzhongbao 500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate innovatively integrates high-strength materials and structural design, specifically engineered to eradicate settlement issues. Cast as a single unit from QT500-7 ductile iron in strict compliance with GB\/T 23858 and CJ\/T 327 anti-settlement grate standards, its 120mm ultra-thick frame and grate integrated design effectively distribute loads to the road structural layers, completely eliminating settlement caused by loose backfill soil around traditional grates. It is a revolutionary solution that enhances road flatness and ensures smooth vehicle passage.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/luzhongbao.com\/vi\/luoi-tron-chong-lun-bang-gang-deo-500x600x120\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"In urban road upgrades, main road maintenance, and high-standard municipal projects, the &quot;bumping&quot; problem caused by grate settlement severely threatens traffic safety and road longevity. The Luzhongbao 500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate innovatively integrates high-strength materials and structural design, specifically engineered to eradicate settlement issues. Cast as a single unit from QT500-7 ductile iron in strict compliance with GB\/T 23858 and CJ\/T 327 anti-settlement grate standards, its 120mm ultra-thick frame and grate integrated design effectively distribute loads to the road structural layers, completely eliminating settlement caused by loose backfill soil around traditional grates. It is a revolutionary solution that enhances road flatness and ensures smooth vehicle passage.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/luzhongbao.com\/vi\/luoi-tron-chong-lun-bang-gang-deo-500x600x120\/\" \/>\n<meta property=\"og:site_name\" content=\"Hubei Luzhongbao Metal Products Co., Ltd\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-25T06:39:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-25T06:39:53+00:00\" \/>\n<meta name=\"author\" content=\"luzhongbao\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Levi_Luzhongbao\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"luzhongbao\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/\"},\"author\":{\"name\":\"luzhongbao\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"headline\":\"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate\",\"datePublished\":\"2025-08-25T06:39:52+00:00\",\"dateModified\":\"2025-08-25T06:39:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/\"},\"wordCount\":355,\"commentCount\":0,\"keywords\":[\"Ductile Cast Iron\",\"Manhole Cover\"],\"articleSection\":[\"Anti-settlement Manhole Cover\",\"Ductile Cast Iron Products\",\"Products\",\"Round Manhole Cover\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/\",\"url\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/\",\"name\":\"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#website\"},\"datePublished\":\"2025-08-25T06:39:52+00:00\",\"dateModified\":\"2025-08-25T06:39:53+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\"},\"description\":\"In urban road upgrades, main road maintenance, and high-standard municipal projects, the \\\"bumping\\\" problem caused by grate settlement severely threatens traffic safety and road longevity. The Luzhongbao 500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate innovatively integrates high-strength materials and structural design, specifically engineered to eradicate settlement issues. Cast as a single unit from QT500-7 ductile iron in strict compliance with GB\\\/T 23858 and CJ\\\/T 327 anti-settlement grate standards, its 120mm ultra-thick frame and grate integrated design effectively distribute loads to the road structural layers, completely eliminating settlement caused by loose backfill soil around traditional grates. It is a revolutionary solution that enhances road flatness and ensures smooth vehicle passage.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/500x600x120-ductile-iron-anti-settlement-circular-grate\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\\\/\\\/luzhongbao.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#website\",\"url\":\"https:\\\/\\\/luzhongbao.com\\\/\",\"name\":\"Hubei Luzhongbao Metal Products Co., Ltd\",\"description\":\"The Globally Trusted Manhole Cover Expert\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/luzhongbao.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/luzhongbao.com\\\/#\\\/schema\\\/person\\\/e22c08e75b650a9d574f5aeabb3db2cf\",\"name\":\"luzhongbao\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g\",\"caption\":\"luzhongbao\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/Levi_Luzhongbao\"],\"url\":\"https:\\\/\\\/luzhongbao.com\\\/vi\\\/author\\\/luzhongbao\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"L\u01b0\u1edbi tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 500\u00d7600\u00d7120 - N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo - C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m kim lo\u1ea1i Luzhongbao","description":"Trong c\u00e1c d\u1ef1 \u00e1n n\u00e2ng c\u1ea5p \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb, b\u1ea3o tr\u00ec \u0111\u01b0\u1eddng ch\u00ednh v\u00e0 c\u00e1c d\u1ef1 \u00e1n \u0111\u00f4 th\u1ecb ti\u00eau chu\u1ea9n cao, v\u1ea5n \u0111\u1ec1 &quot;va ch\u1ea1m&quot; do l\u00fan c\u1ee7a l\u01b0\u1edbi ch\u1eafn g\u00e2y ra \u0111ang \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u0111\u1ebfn an to\u00e0n giao th\u00f4ng v\u00e0 tu\u1ed5i th\u1ecd \u0111\u01b0\u1eddng b\u1ed9. L\u01b0\u1edbi ch\u1eafn tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo Luzhongbao 500\u00d7600\u00d7120 t\u00edch h\u1ee3p v\u1eadt li\u1ec7u c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u m\u1ed9t c\u00e1ch s\u00e1ng t\u1ea1o, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1ea5n \u0111\u1ec1 l\u00fan. \u0110\u01b0\u1ee3c \u0111\u00fac li\u1ec1n kh\u1ed1i t\u1eeb gang d\u1ebbo QT500-7, tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 l\u01b0\u1edbi ch\u1eafn ch\u1ed1ng l\u00fan GB\/T 23858 v\u00e0 CJ\/T 327, khung si\u00eau d\u00e0y 120mm v\u00e0 thi\u1ebft k\u1ebf t\u00edch h\u1ee3p l\u01b0\u1edbi ch\u1eafn gi\u00fap ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng hi\u1ec7u qu\u1ea3 l\u00ean c\u00e1c l\u1edbp k\u1ebft c\u1ea5u \u0111\u01b0\u1eddng, lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n t\u00ecnh tr\u1ea1ng l\u00fan do \u0111\u1ea5t \u0111\u1eafp l\u1ecfng l\u1ebbo xung quanh l\u01b0\u1edbi ch\u1eafn truy\u1ec1n th\u1ed1ng. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed9t ph\u00e1, gi\u00fap t\u0103ng \u0111\u1ed9 ph\u1eb3ng c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o xe c\u1ed9 di chuy\u1ec3n d\u1ec5 d\u00e0ng.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/luzhongbao.com\/vi\/luoi-tron-chong-lun-bang-gang-deo-500x600x120\/","og_locale":"vi_VN","og_type":"article","og_title":"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate - Ductile Cast Iron Anti-settlement Manhole Cover - Luzhongbao Metal Products Co., Ltd","og_description":"In urban road upgrades, main road maintenance, and high-standard municipal projects, the \"bumping\" problem caused by grate settlement severely threatens traffic safety and road longevity. The Luzhongbao 500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate innovatively integrates high-strength materials and structural design, specifically engineered to eradicate settlement issues. Cast as a single unit from QT500-7 ductile iron in strict compliance with GB\/T 23858 and CJ\/T 327 anti-settlement grate standards, its 120mm ultra-thick frame and grate integrated design effectively distribute loads to the road structural layers, completely eliminating settlement caused by loose backfill soil around traditional grates. It is a revolutionary solution that enhances road flatness and ensures smooth vehicle passage.","og_url":"https:\/\/luzhongbao.com\/vi\/luoi-tron-chong-lun-bang-gang-deo-500x600x120\/","og_site_name":"Hubei Luzhongbao Metal Products Co., Ltd","article_published_time":"2025-08-25T06:39:52+00:00","article_modified_time":"2025-08-25T06:39:53+00:00","author":"luzhongbao","twitter_card":"summary_large_image","twitter_creator":"@Levi_Luzhongbao","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"luzhongbao","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"2 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/#article","isPartOf":{"@id":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/"},"author":{"name":"luzhongbao","@id":"https:\/\/luzhongbao.com\/#\/schema\/person\/e22c08e75b650a9d574f5aeabb3db2cf"},"headline":"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate","datePublished":"2025-08-25T06:39:52+00:00","dateModified":"2025-08-25T06:39:53+00:00","mainEntityOfPage":{"@id":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/"},"wordCount":355,"commentCount":0,"keywords":["Ductile Cast Iron","Manhole Cover"],"articleSection":["Anti-settlement Manhole Cover","Ductile Cast Iron Products","Products","Round Manhole Cover"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/","url":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/","name":"L\u01b0\u1edbi tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo 500\u00d7600\u00d7120 - N\u1eafp h\u1ed1 ga ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo - C\u00f4ng ty TNHH S\u1ea3n ph\u1ea9m kim lo\u1ea1i Luzhongbao","isPartOf":{"@id":"https:\/\/luzhongbao.com\/#website"},"datePublished":"2025-08-25T06:39:52+00:00","dateModified":"2025-08-25T06:39:53+00:00","author":{"@id":"https:\/\/luzhongbao.com\/#\/schema\/person\/e22c08e75b650a9d574f5aeabb3db2cf"},"description":"Trong c\u00e1c d\u1ef1 \u00e1n n\u00e2ng c\u1ea5p \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb, b\u1ea3o tr\u00ec \u0111\u01b0\u1eddng ch\u00ednh v\u00e0 c\u00e1c d\u1ef1 \u00e1n \u0111\u00f4 th\u1ecb ti\u00eau chu\u1ea9n cao, v\u1ea5n \u0111\u1ec1 &quot;va ch\u1ea1m&quot; do l\u00fan c\u1ee7a l\u01b0\u1edbi ch\u1eafn g\u00e2y ra \u0111ang \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u0111\u1ebfn an to\u00e0n giao th\u00f4ng v\u00e0 tu\u1ed5i th\u1ecd \u0111\u01b0\u1eddng b\u1ed9. L\u01b0\u1edbi ch\u1eafn tr\u00f2n ch\u1ed1ng l\u00fan b\u1eb1ng gang d\u1ebbo Luzhongbao 500\u00d7600\u00d7120 t\u00edch h\u1ee3p v\u1eadt li\u1ec7u c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u m\u1ed9t c\u00e1ch s\u00e1ng t\u1ea1o, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1ea5n \u0111\u1ec1 l\u00fan. \u0110\u01b0\u1ee3c \u0111\u00fac li\u1ec1n kh\u1ed1i t\u1eeb gang d\u1ebbo QT500-7, tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 l\u01b0\u1edbi ch\u1eafn ch\u1ed1ng l\u00fan GB\/T 23858 v\u00e0 CJ\/T 327, khung si\u00eau d\u00e0y 120mm v\u00e0 thi\u1ebft k\u1ebf t\u00edch h\u1ee3p l\u01b0\u1edbi ch\u1eafn gi\u00fap ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng hi\u1ec7u qu\u1ea3 l\u00ean c\u00e1c l\u1edbp k\u1ebft c\u1ea5u \u0111\u01b0\u1eddng, lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n t\u00ecnh tr\u1ea1ng l\u00fan do \u0111\u1ea5t \u0111\u1eafp l\u1ecfng l\u1ebbo xung quanh l\u01b0\u1edbi ch\u1eafn truy\u1ec1n th\u1ed1ng. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u1ed9t ph\u00e1, gi\u00fap t\u0103ng \u0111\u1ed9 ph\u1eb3ng c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng v\u00e0 \u0111\u1ea3m b\u1ea3o xe c\u1ed9 di chuy\u1ec3n d\u1ec5 d\u00e0ng.","breadcrumb":{"@id":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/luzhongbao.com\/500x600x120-ductile-iron-anti-settlement-circular-grate\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/luzhongbao.com\/"},{"@type":"ListItem","position":2,"name":"500\u00d7600\u00d7120 Ductile Iron Anti-Settlement Circular Grate"}]},{"@type":"WebSite","@id":"https:\/\/luzhongbao.com\/#website","url":"https:\/\/luzhongbao.com\/","name":"C\u00f4ng ty TNHH s\u1ea3n ph\u1ea9m kim lo\u1ea1i H\u1ed3 B\u1eafc Luzhongbao","description":"Chuy\u00ean gia v\u1ec1 n\u1eafp h\u1ed1 ga \u0111\u00e1ng tin c\u1eady tr\u00ean to\u00e0n c\u1ea7u","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/luzhongbao.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/luzhongbao.com\/#\/schema\/person\/e22c08e75b650a9d574f5aeabb3db2cf","name":"luzhongbao","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/1ac515e20f844126be310a41cfa092daaf1e2b3b291d9328ac9dba05b400b569?s=96&d=mm&r=g","caption":"luzhongbao"},"sameAs":["https:\/\/x.com\/Levi_Luzhongbao"],"url":"https:\/\/luzhongbao.com\/vi\/author\/luzhongbao\/"}]}},"_links":{"self":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts\/1057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/comments?post=1057"}],"version-history":[{"count":1,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts\/1057\/revisions"}],"predecessor-version":[{"id":1059,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/posts\/1057\/revisions\/1059"}],"wp:attachment":[{"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/media?parent=1057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/categories?post=1057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/luzhongbao.com\/vi\/wp-json\/wp\/v2\/tags?post=1057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}