{"id":742,"date":"2025-06-20T08:36:45","date_gmt":"2025-06-20T08:36:45","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=742"},"modified":"2025-06-23T01:28:29","modified_gmt":"2025-06-23T01:28:29","slug":"nap-ho-ga-tron-composite-2","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-ho-ga-tron-composite-2\/","title":{"rendered":"N\u1eafp h\u1ed1 ga tr\u00f2n composite 700\u00d7800\u00d760"},"content":{"rendered":"

I. \u0110\u1ed5i m\u1edbi v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 k\u1ebft c\u1ea5u<\/h3>\n\n\n\n

1. H\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p<\/strong><\/p>\n\n\n\n

Khung gia c\u1ed1: S\u1ee3i th\u1ee7y tinh d\u1ecdc + l\u01b0\u1edbi d\u1ec7t s\u1ee3i carbon xuy\u00ean t\u00e2m, v\u01b0\u1ee3t ti\u00eau chu\u1ea9n qu\u1ed1c gia D400 c\u1ea5p t\u1ea3i tr\u1ecdng (40 t\u1ea5n).<\/p>\n\n\n\n

Nh\u1ef1a n\u1ec1n:<\/p>\n\n\n\n

  BMC (H\u1ee3p ch\u1ea5t \u0111\u00fac kh\u1ed1i): \u0110\u00fac n\u00e9n \u1edf nhi\u1ec7t \u0111\u1ed9 cao, m\u1eadt \u0111\u1ed9 1,8g\/cm\u00b3 (ch\u1ec9 b\u1eb1ng 1\/5 gang), ch\u1ecbu \u0111\u01b0\u1ee3c axit\/ki\u1ec1m pH 1-14.<\/p>\n\n\n\n

  SMC (H\u1ee3p ch\u1ea5t \u0111\u00fac t\u1ea5m): Ch\u1ed1ng tia UV, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng -50\u00b0C \u0111\u1ebfn 150\u00b0C.<\/p>\n\n\n\n

C\u00e1c l\u1edbp ch\u1ee9c n\u0103ng:<\/p>\n\n\n\n

  L\u1edbp ch\u1ed1ng tr\u01b0\u1ee3t c\u00e1t th\u1ea1ch anh b\u1ec1 m\u1eb7t: H\u1ec7 s\u1ed1 ma s\u00e1t \u22650,75.<\/p>\n\n\n\n

  L\u1edbp l\u00e1 \u0111\u1ed3ng d\u1eabn \u0111i\u1ec7n \u1edf ph\u00eda d\u01b0\u1edbi (T\u00f9y ch\u1ecdn): Ch\u1ed1ng t\u0129nh \u0111i\u1ec7n (<10\u2076\u03a9).<\/p>\n\n\n\n

2. \u0110\u1ed9t ph\u00e1 v\u1ec1 thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u<\/strong><\/p>\n\n\n\n

C\u1ea5u tr\u00fac l\u00f5i t\u1ed5 ong: L\u00f5i t\u1ed5 ong nh\u00f4m l\u1ee5c gi\u00e1c c\u00f3 \u0111\u1ed9 d\u00e0y 60mm, \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n 120MPa (cao h\u01a1n 30% so v\u1edbi thi\u1ebft k\u1ebf \u0111\u1eb7c).<\/p>\n\n\n\n

Gio\u0103ng li\u00ean k\u1ebft: Gio\u0103ng cao su EPDM (ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft 50 n\u0103m) gi\u1eefa n\u1eafp v\u00e0 khung, gi\u00fap gi\u1ea3m ti\u1ebfng \u1ed3n 15dB+ v\u00e0 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc IP68.<\/p>\n\n\n\n

Ch\u1ed1ng tr\u1ed9m t\u00edch h\u1ee3p: C\u01a1 ch\u1ebf kh\u00f3a b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 t\u00edch h\u1ee3p y\u00eau c\u1ea7u ch\u00eca kh\u00f3a tam gi\u00e1c chuy\u00ean d\u1ee5ng, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u1ed9t nh\u1eadp >30 ph\u00fat.<\/p>\n\n\n\n

\n\n\n\n

II. Gi\u1ea3i th\u00edch v\u1ec1 nh\u1eefng l\u1ee3i th\u1ebf c\u1ed1t l\u00f5i<\/h3>\n\n\n\n

(1) Thi\u1ebft k\u1ebf h\u00ecnh d\u1ea1ng s\u00e1ng t\u1ea1o, gi\u1ea3i quy\u1ebft c\u00e1c th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt<\/strong><\/p>\n\n\n\n

Thi\u1ebft k\u1ebf "H\u1ed1 tr\u00f2n, n\u1eafp vu\u00f4ng":<\/p>\n\n\n\n

V\u00f2ng \u0111\u1ec7m tr\u00f2n ph\u00eda d\u01b0\u1edbi (\u03a6700mm) kh\u1edbp ch\u00ednh x\u00e1c v\u1edbi th\u00f9ng h\u1ed1 ga ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

L\u1edbp ph\u1ee7 h\u00ecnh ch\u1eef nh\u1eadt ph\u00eda tr\u00ean (700\u00d7800mm) l\u00e0m t\u0103ng di\u1ec7n t\u00edch \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 l\u00ean 20%, ng\u0103n ng\u1eeba n\u1ee9t v\u1ec9a h\u00e8 xung quanh h\u1ed1 ga (\u0111\u00e3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m th\u1ef1c t\u1ebf \u0111\u1ec3 gi\u1ea3m hi\u1ec7n t\u01b0\u1ee3ng v\u1ee1 c\u1ea1nh l\u00ean 90%).<\/p>\n\n\n\n

Khung chu vi gia c\u1ed1 d\u00e0y 60mm (\u0111\u1ed9 c\u1ee9ng u\u1ed1n \u2265180 kN\u00b7m\u00b2) ph\u00e2n t\u00e1n \u1ee9ng su\u1ea5t t\u1ea3i tr\u1ecdng c\u1ee7a xe.<\/p>\n\n\n\n

Th\u00edch \u1ee9ng v\u1edbi c\u00e1c t\u00ecnh hu\u1ed1ng ph\u1ee9c t\u1ea1p:<\/p>\n\n\n\n

\u0110\u01b0\u1eddng \u1ed1ng ch\u00e9o (\u1ed1ng d\u1eabn c\u00e1p \u03a6100-150mm \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh s\u1eb5n gi\u00fap lo\u1ea1i b\u1ecf vi\u1ec7c khoan t\u1ea1i ch\u1ed7 l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft c\u1ea5u).<\/p>\n\n\n\n

C\u00e1c h\u1ed1 kh\u00f4ng \u0111\u1ec1u \u1edf v\u00e0nh \u0111ai xanh (v\u00ed d\u1ee5: tr\u00e1nh r\u1ec5 c\u00e2y, g\u00f3c v\u1ec9a h\u00e8).<\/p>\n\n\n\n

(2) Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tr\u1ecdn \u0111\u1eddi, th\u00e1ch th\u1ee9c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/strong><\/p>\n\n\n\n

1. Ma tr\u1eadn nh\u1ef1a ch\u1ecbu axit: Ch\u1ed1ng \u0103n m\u00f2n m\u1ea1nh (pH 1-14), tu\u1ed5i th\u1ecd \u226530 n\u0103m.<\/p>\n\n\n\n

2. L\u1edbp gel ph\u1ee7 b\u1ec1 m\u1eb7t: Ch\u1ed1ng l\u00e3o h\u00f3a tia UV.<\/p>\n\n\n\n

3. L\u1edbp c\u00e1t th\u1ea1ch anh ch\u1ed1ng tr\u01b0\u1ee3t (h\u1ec7 s\u1ed1 ma s\u00e1t \u22650.8): Kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t v\u01b0\u1ee3t tr\u1ed9i khi tr\u1eddi m\u01b0a\/tuy\u1ebft so v\u1edbi l\u1edbp ph\u1ee7 kim lo\u1ea1i.<\/p>\n\n\n\n

\n\n\n\n

III. X\u00e1c th\u1ef1c \u1ee9ng d\u1ee5ng d\u1ef1a tr\u00ean k\u1ecbch b\u1ea3n<\/h3>\n\n\n\n

H\u1ed1 \u0111i\u1ec7n \u0111\u01b0\u1eddng Binhai Th\u00e2m Quy\u1ebfn:<\/strong><\/p>\n\n\n\n

H\u1ed1 kh\u00f4ng \u0111\u1ec1u 700\u00d7800mm ban \u0111\u1ea7u c\u1ea7n \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 (quy tr\u00ecnh 3 ng\u00e0y). S\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian l\u1eafp \u0111\u1eb7t xu\u1ed1ng c\u00f2n 2 gi\u1edd. Ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 \u0103n m\u00f2n do phun mu\u1ed1i m\u00e0 kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 g\u00ec sau 5 n\u0103m.<\/p>\n\n\n\n

Th\u1ebf gi\u1edbi b\u0103ng tuy\u1ebft C\u00e1p Nh\u0129 T\u00e2n:<\/strong><\/p>\n\n\n\n

Ch\u1ed1ng l\u1ea1i s\u1ef1 nh\u00f4 l\u00ean c\u1ee7a b\u0103ng gi\u00e1 \u1edf nhi\u1ec7t \u0111\u1ed9 -40\u00b0C; l\u1edbp ch\u1ed1ng tr\u01b0\u1ee3t b\u1ec1 m\u1eb7t duy tr\u00ec h\u1ec7 s\u1ed1 ma s\u00e1t b\u0103ng \u22650,6.<\/p>\n\n\n\n

\u0110\u01b0\u1eddng h\u1ea7m ti\u1ec7n \u00edch khu c\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/strong><\/p>\n\n\n\n

Phi\u00ean b\u1ea3n ch\u1ed1ng ch\u1ecbu \u0111\u01b0\u1ee3c axit sunfuric 98%, t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn kh\u00ed H\u2082S \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng b\u00e1o \u0111\u1ed9ng khi (v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n).<\/p>\n\n\n\n

\n\n\n\n

IV. Ch\u1ee9ng nh\u1eadn v\u00e0 b\u1ea3o \u0111\u1ea3m c\u00f3 th\u1ea9m quy\u1ec1n<\/h3>\n\n\n\n

Ch\u1ee9ng nh\u1eadn c\u01a1 kh\u00ed: \u0110\u00e3 v\u01b0\u1ee3t qua th\u1eed nghi\u1ec7m t\u1ea3i t\u0129nh EN 124 B125 (125kN) v\u00e0 th\u1eed nghi\u1ec7m m\u1ecfi 2 tri\u1ec7u chu k\u1ef3 (t\u1ea7n s\u1ed1 2Hz).<\/p>\n\n\n\n

Ch\u1ee9ng nh\u1eadn ch\u1ecbu th\u1eddi ti\u1ebft: Th\u1eed nghi\u1ec7m phun mu\u1ed1i SGS >6000 gi\u1edd (ISO 9227), th\u1eed nghi\u1ec7m UV QUV 5000 gi\u1edd (ASTM G154).<\/p>\n\n\n\n

Ch\u1ee9ng nh\u1eadn an to\u00e0n: Ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y n\u1ed5 (Ex db IIC T6 Gb) t\u1eeb Trung t\u00e2m th\u1eed nghi\u1ec7m v\u1eadt li\u1ec7u composite qu\u1ed1c gia.<\/p>\n\n\n\n

\n\n\n\n

T\u00f3m t\u1eaft n\u1eafp h\u1ed1 ga tr\u00f2n composite<\/h2>\n\n\n\n

N\u1eafp h\u1ed1 ga composite c\u1ea3i ti\u1ebfn n\u00e0y \u0111\u1ecbnh ngh\u0129a l\u1ea1i c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh b\u1eb1ng c\u00e1ch "gi\u1ea3i quy\u1ebft ba th\u00e1ch th\u1ee9c l\u1edbn ch\u1ec9 b\u1eb1ng m\u1ed9t n\u1eafp \u0111\u1eady":<\/p>\n\n\n\n

1. Th\u00e1ch th\u1ee9c v\u1ec1 kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng: Thi\u1ebft k\u1ebf "H\u1ed1 tr\u00f2n, n\u1eafp vu\u00f4ng" gi\u00fap lo\u1ea1i b\u1ecf nh\u1eefng \u0111i\u1ec3m kh\u00f3 kh\u0103n khi l\u1eafp \u0111\u1eb7t h\u1ed1 ga kh\u00f4ng theo ti\u00eau chu\u1ea9n.<\/p>\n\n\n\n

2. Th\u00e1ch th\u1ee9c ch\u1ed1ng \u0103n m\u00f2n: L\u1edbp b\u1ea3o v\u1ec7 b\u1ed1n l\u1edbp \u0111\u1ea1t kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu ho\u00e0n to\u00e0n v\u1edbi axit, ki\u1ec1m v\u00e0 h\u01a1i mu\u1ed1i.<\/p>\n\n\n\n

3. Th\u00e1ch th\u1ee9c t\u00edch h\u1ee3p th\u00f4ng minh: C\u1ea3m bi\u1ebfn nh\u00fang s\u1eb5n + n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi cho ph\u00e9p gi\u00e1m s\u00e1t kh\u00f4ng c\u1ea7n n\u1ed1i d\u00e2y.<\/p>\n\n\n\n

So v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p truy\u1ec1n th\u1ed1ng, gi\u1ea3i ph\u00e1p n\u00e0y c\u00f3 t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n 82% v\u00e0 tu\u1ed5i th\u1ecd t\u0103ng th\u00eam 300%, tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p chi\u1ebfn l\u01b0\u1ee3c cho vi\u1ec7c \u0111\u1ed5i m\u1edbi \u0111\u00f4 th\u1ecb v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng th\u00f4ng minh!<\/p>","protected":false},"excerpt":{"rendered":"

I. \u0110\u1ed5i m\u1edbi v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 k\u1ebft c\u1ea5u 1. B\u1ed9 khung gia c\u1ed1 h\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u composite: S\u1ee3i th\u1ee7y tinh d\u1ecdc + l\u01b0\u1edbi d\u1ec7t s\u1ee3i carbon xuy\u00ean t\u00e2m, v\u01b0\u1ee3t ti\u00eau chu\u1ea9n qu\u1ed1c gia D400 v\u1ec1 t\u1ea3i tr\u1ecdng (40 t\u1ea5n). Nh\u1ef1a n\u1ec1n: BMC (H\u1ee3p ch\u1ea5t \u0111\u00fac kh\u1ed1i): \u0110\u00fac n\u00e9n nhi\u1ec7t \u0111\u1ed9 cao, m\u1eadt \u0111\u1ed9 1,8g\/cm\u00b3 (ch\u1ec9 b\u1eb1ng 1\/5 gang), ch\u1ecbu \u0111\u01b0\u1ee3c axit\/ki\u1ec1m pH 1-14. SMC (H\u1ee3p ch\u1ea5t \u0111\u00fac t\u1ea5m): Ch\u1ed1ng tia c\u1ef1c t\u00edm, v\u1eadn h\u00e0nh [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,2,52],"tags":[85,63],"class_list":["post-742","post","type-post","status-publish","format-standard","hentry","category-composite-resin-fiber-products","category-products","category-round-manhole-cover-composite-resin-fiber-products","tag-composite-manhole-cover","tag-manhole-cover"],"yoast_head":"\n700\u00d7800\u00d760\u00a0Composite Round Manhole Cover Composite Resin Fiber Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"The Composite Material 700\u00d7800\u00d760 Round Manhole Cover redefines municipal infrastructure standards with its 48kg lightweight body + 40-ton military-grade load capacity + 50-year maintenance-free lifespan. It achieves a 73% reduction in lifecycle costs and enables smart pipeline network upgrades through integrated intelligent modules. Selection must strictly adhere to two critical benchmarks: glass fiber content \u226565% and D400 dynamic load certification, prioritizing suppliers with proven national-level engineering case studies.\" \/>\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-tron-composite-2\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"700\u00d7800\u00d760\u00a0Composite Round Manhole Cover Composite Resin Fiber Products - LZBMetal Products Co., Ltd\" \/>\n<meta property=\"og:description\" content=\"The Composite Material 700\u00d7800\u00d760 Round Manhole Cover redefines municipal infrastructure standards with its 48kg lightweight body + 40-ton military-grade load capacity + 50-year maintenance-free lifespan. It achieves a 73% reduction in lifecycle costs and enables smart pipeline network upgrades through integrated intelligent modules. 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