{"id":1211,"date":"2025-09-23T07:00:00","date_gmt":"2025-09-23T07:00:00","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=1211"},"modified":"2025-09-23T02:54:25","modified_gmt":"2025-09-23T02:54:25","slug":"buong-kiem-tra-tron-composite-luzhongbao-700x760x50","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/buong-kiem-tra-tron-composite-luzhongbao-700x760x50\/","title":{"rendered":"Bu\u1ed3ng ki\u1ec3m tra tr\u00f2n composite lzbmetal 700x760x50"},"content":{"rendered":"

I. Khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/h3>\n\n\n\n

1. H\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u composite hi\u1ec7u su\u1ea5t cao:<\/p>\n\n\n\n

Nh\u1ef1a Matrix: S\u1eed d\u1ee5ng nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a ho\u1eb7c nh\u1ef1a vinyl ester ch\u1ea5t l\u01b0\u1ee3ng cao, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi cho th\u00e2n bu\u1ed3ng. N\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 \u0103n m\u00f2n l\u00e2u d\u00e0i t\u1eeb c\u00e1c m\u00f4i tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p nh\u01b0 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, m\u01b0a axit v\u00e0 h\u01a1i mu\u1ed1i. Ph\u1ea1m vi pH kh\u00e1ng axit v\u00e0 ki\u1ec1m c\u1ee7a n\u00f3 r\u1ea5t r\u1ed9ng, v\u01b0\u1ee3t xa kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng c\u1ee7a b\u00ea t\u00f4ng th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

S\u1ee3i gia c\u01b0\u1eddng: S\u1eed d\u1ee5ng s\u1ee3i th\u1ee7y tinh kh\u00f4ng ch\u1ee9a ki\u1ec1m l\u00e0m v\u1eadt li\u1ec7u gia c\u01b0\u1eddng ch\u00ednh. Nh\u1edd thi\u1ebft k\u1ebf l\u1edbp \u0111\u1ecbnh h\u01b0\u1edbng, \u0111\u1ed9 b\u1ec1n k\u00e9o, n\u00e9n v\u00e0 va \u0111\u1eadp c\u1ee7a v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3. C\u01b0\u1eddng \u0111\u1ed9 ri\u00eang (t\u1ef7 l\u1ec7 c\u01b0\u1eddng \u0111\u1ed9 tr\u00ean m\u1eadt \u0111\u1ed9) c\u1ee7a v\u1eadt li\u1ec7u cao h\u01a1n nhi\u1ec1u so v\u1edbi th\u00e9p, mang l\u1ea1i s\u1ef1 th\u1ed1ng nh\u1ea5t gi\u1eefa tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 \u0111\u1ed9 b\u1ec1n cao cho th\u00e2n bu\u1ed3ng.<\/p>\n\n\n\n

2. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn:<\/p>\n\n\n\n

\u00c9p n\u00e9n nhi\u1ec7t \u0111\u1ed9 cao, \u00e1p su\u1ea5t cao: Quy tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc c\u1ef1c cao, c\u1ea5u tr\u00fac d\u00e0y \u0111\u1eb7c v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc \u0111\u1ed3ng nh\u1ea5t. Th\u00e0nh trong v\u00e0 ngo\u00e0i c\u1ee7a bu\u1ed3ng \u0111\u01b0\u1ee3c l\u00e0m nh\u1eb5n v\u00e0 li\u1ec1n m\u1ea1ch, v\u1ec1 c\u01a1 b\u1ea3n lo\u1ea1i b\u1ecf nguy c\u01a1 r\u00f2 r\u1ec9, gi\u1ea3m hi\u1ec7u qu\u1ea3 l\u1ef1c c\u1ea3n c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 ng\u0103n ng\u1eeba t\u00edch t\u1ee5 c\u1eb7n b\u1ea9n.<\/p>\n\n\n\n

II. C\u1ea5u tr\u00fac c\u1ed1t l\u00f5i v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t<\/h3>\n\n\n\n

1. Thi\u1ebft k\u1ebf c\u01a1 h\u1ecdc k\u1ebft c\u1ea5u:<\/p>\n\n\n\n

\u0110\u1ed9 c\u1ee9ng v\u00f2ng (SN): Nh\u1edd \u0111\u1ed9 d\u00e0y th\u00e0nh c\u00e2n b\u1eb1ng 50mm v\u00e0 thi\u1ebft k\u1ebf g\u00e2n khoa h\u1ecdc, s\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng v\u00f2ng cao SN12,5 tr\u1edf l\u00ean, \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a th\u00e2n bu\u1ed3ng khi l\u1ea5p \u0111\u1ea7y s\u00e2u v\u00e0 t\u1ea3i tr\u1ecdng xe \u0111\u1ed9ng, m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng cong v\u00eanh.<\/p>\n\n\n\n

C\u1ea5p ch\u1ecbu t\u1ea3i: Khi k\u1ebft h\u1ee3p v\u1edbi c\u1ea5p n\u1eafp v\u00e0 khung t\u01b0\u01a1ng \u1ee9ng, s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u01b0\u1eddng \u0111\u00f4 th\u1ecb D400 (t\u1ea3i tr\u1ecdng n\u1eb7ng) ho\u1eb7c th\u1eadm ch\u00ed E600 (t\u1ea3i tr\u1ecdng c\u1ef1c n\u1eb7ng) \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n "N\u1eafp h\u1ed1 ga v\u00e0 n\u1eafp r\u00e3nh GB\/T 23858-2009", v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 n\u00e9n tuy\u1ec7t v\u1eddi.<\/p>\n\n\n\n

2. C\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t ch\u00ednh:<\/p>\n\n\n\n

Tr\u1ecdng l\u01b0\u1ee3ng: Tr\u1ecdng l\u01b0\u1ee3ng m\u1ed7i \u0111\u01a1n v\u1ecb kho\u1ea3ng 60-80 kg, ch\u1ec9 b\u1eb1ng 1\/10 \u0111\u1ebfn 1\/8 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a bu\u1ed3ng b\u00ea t\u00f4ng c\u00f3 c\u00f9ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed v\u1eadn chuy\u1ec3n, n\u00e2ng h\u1ea1 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n

Tu\u1ed5i th\u1ecd: D\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng ch\u1ed1ng l\u00e3o h\u00f3a v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi c\u1ee7a v\u1eadt li\u1ec7u, tu\u1ed5i th\u1ecd thi\u1ebft k\u1ebf kh\u00f4ng d\u01b0\u1edbi 50 n\u0103m, \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng g\u1ea7n nh\u01b0 kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec trong su\u1ed1t v\u00f2ng \u0111\u1eddi c\u1ee7a n\u00f3.<\/p>\n\n\n\n

Hi\u1ec7u su\u1ea5t b\u1ecbt k\u00edn: Thi\u1ebft k\u1ebf giao di\u1ec7n m\u00f4-\u0111un s\u1eed d\u1ee5ng v\u00f2ng \u0111\u1ec7m \u0111\u00e0n h\u1ed3i hi\u1ec7u su\u1ea5t cao, mang l\u1ea1i kh\u1ea3 n\u0103ng b\u1ecbt k\u00edn tuy\u1ec7t v\u1eddi \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a n\u01b0\u1edbc ng\u1ea7m v\u00e0 r\u00f2 r\u1ec9 n\u01b0\u1edbc th\u1ea3i, tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n

III. \u1ee8ng d\u1ee5ng k\u1ef9 thu\u1eadt v\u00e0 ph\u00e2n t\u00edch kinh t\u1ebf<\/h3>\n\n\n\n

1. Cu\u1ed9c c\u00e1ch m\u1ea1ng v\u1ec1 hi\u1ec7u qu\u1ea3 x\u00e2y d\u1ef1ng:<\/p>\n\n\n\n

S\u1ea3n ph\u1ea9m \u00e1p d\u1ee5ng thi\u1ebft k\u1ebf m\u00f4-\u0111un v\u1edbi quy tr\u00ecnh l\u1eafp r\u00e1p t\u1ea1i ch\u1ed7 ti\u00eau chu\u1ea9n, lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng ho\u1eb7c x\u00e2y n\u1ec1 truy\u1ec1n th\u1ed1ng. Th\u1eddi gian thi c\u00f4ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn h\u01a1n 80%, gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c \u0111\u00e0o \u0111\u01b0\u1eddng l\u00ean giao th\u00f4ng v\u00e0 c\u1ed9ng \u0111\u1ed3ng, ph\u00f9 h\u1ee3p v\u1edbi tri\u1ebft l\u00fd k\u1ef9 thu\u1eadt hi\u1ec7n \u0111\u1ea1i v\u1ec1 "thi c\u00f4ng nhanh".<\/p>\n\n\n\n

2. L\u1ee3i th\u1ebf v\u1ec1 chi ph\u00ed to\u00e0n v\u00f2ng \u0111\u1eddi:<\/p>\n\n\n\n

M\u1eb7c d\u00f9 chi ph\u00ed mua s\u1eafm ban \u0111\u1ea7u c\u00f3 th\u1ec3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi bu\u1ed3ng b\u00ea t\u00f4ng cao c\u1ea5p truy\u1ec1n th\u1ed1ng, nh\u01b0ng l\u1ee3i th\u1ebf v\u1ec1 chi ph\u00ed v\u1eadn chuy\u1ec3n, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec c\u1ee7a n\u00f3 l\u00e0 c\u1ef1c k\u1ef3 \u0111\u00e1ng k\u1ec3. Y\u00eau c\u1ea7u b\u1ea3o tr\u00ec r\u1ea5t th\u1ea5p (g\u1ea7n nh\u01b0 kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec) v\u00e0 tu\u1ed5i th\u1ecd c\u1ef1c cao gi\u00fap gi\u1ea3m t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi xu\u1ed1ng c\u00f2n 30%-50% so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p truy\u1ec1n th\u1ed1ng, cho th\u1ea5y t\u00ednh kinh t\u1ebf \u0111\u00e1ng k\u1ec3.<\/p>\n\n\n\n

3. L\u1ee3i \u00edch to\u00e0n di\u1ec7n c\u1ee7a k\u1ef9 thu\u1eadt:<\/p>\n\n\n\n

Hi\u1ec7u su\u1ea5t ch\u1ed1ng l\u00fan: \u0110\u1eb7c t\u00ednh nh\u1eb9 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 cao gi\u00fap d\u1ec5 d\u00e0ng ph\u1ed1i h\u1ee3p v\u1edbi m\u00f4 \u0111un bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1eafp. Th\u00f4ng qua quy tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 \u0111\u1eafp \u0111\u1ea5t \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a, s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 tr\u00e1nh hi\u1ec7u qu\u1ea3 hi\u1ec7n t\u01b0\u1ee3ng l\u00fan kh\u00f4ng \u0111\u1ec1u t\u1ea1i giao di\u1ec7n v\u1edbi m\u1eb7t \u0111\u01b0\u1eddng, gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u01b0\u1eddng b\u1ed9 l\u00e0 "l\u00fan quanh khoang".<\/p>\n\n\n\n

An to\u00e0n v\u00e0 B\u1ea3o v\u1ec7 M\u00f4i tr\u01b0\u1eddng: S\u1ea3n ph\u1ea9m c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t, ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 ch\u1ed1ng tr\u1ed9m. V\u1eadt li\u1ec7u c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf, v\u00e0 l\u01b0\u1ee3ng kh\u00ed th\u1ea3i carbon trong su\u1ed1t v\u00f2ng \u0111\u1eddi th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m b\u00ea t\u00f4ng, khi\u1ebfn s\u1ea3n ph\u1ea9m n\u00e0y tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c c\u00f4ng tr\u00ecnh xanh.<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h3>\n\n\n\n

Bu\u1ed3ng ki\u1ec3m tra tr\u00f2n composite lzbmetal 700x760x50 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 s\u1ea3n ph\u1ea9m thay th\u1ebf, m\u00e0 l\u00e0 m\u1ed9t s\u1ef1 \u0111\u1ed5i m\u1edbi s\u00e2u s\u1eafc d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng khoa h\u1ecdc v\u1eadt li\u1ec7u v\u1eefng ch\u1eafc v\u00e0 c\u00e1c kh\u00e1i ni\u1ec7m k\u1ef9 thu\u1eadt k\u1ebft c\u1ea5u ti\u00ean ti\u1ebfn. Kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c, \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc tuy\u1ec7t v\u1eddi, \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh kinh t\u1ebf n\u1ed5i b\u1eadt khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i, an to\u00e0n v\u00e0 t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ng\u1ea7m \u0111\u00f4 th\u1ecb. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n theo \u0111u\u1ed5i ch\u1ea5t l\u01b0\u1ee3ng k\u1ef9 thu\u1eadt, l\u1ee3i \u00edch l\u00e2u d\u00e0i v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng, s\u1ea3n ph\u1ea9m n\u00e0y cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh, \u0111\u00e1ng tin c\u1eady v\u00e0 chuy\u00ean nghi\u1ec7p.<\/p>","protected":false},"excerpt":{"rendered":"

I. Khoa h\u1ecdc V\u1eadt li\u1ec7u v\u00e0 Quy tr\u00ecnh S\u1ea3n xu\u1ea5t 1. H\u1ec7 th\u1ed1ng V\u1eadt li\u1ec7u Composite Hi\u1ec7u su\u1ea5t Cao: Nh\u1ef1a Ma tr\u1eadn: S\u1eed d\u1ee5ng nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a ho\u1eb7c nh\u1ef1a vinyl ester ch\u1ea5t l\u01b0\u1ee3ng cao, mang l\u1ea1i cho th\u00e2n bu\u1ed3ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n h\u00f3a h\u1ecdc tuy\u1ec7t v\u1eddi. N\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 \u0103n m\u00f2n l\u00e2u d\u00e0i t\u1eeb c\u00e1c m\u00f4i tr\u01b0\u1eddng ph\u1ee9c t\u1ea1p nh\u01b0 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t, n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p, m\u01b0a axit v\u00e0 h\u01a1i mu\u1ed1i. Kh\u1ea3 n\u0103ng ch\u1ecbu axit v\u00e0 ki\u1ec1m pH c\u1ee7a n\u00f3 [\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":[85,114,63],"class_list":["post-1211","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-luzhongbao","tag-manhole-cover"],"yoast_head":"\nLuzhongbao 700x760x50 Composite Circular Inspection Chamber - Composite Round Manhole Cover - Hubei Luzhongbao Metal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"In modern municipal infrastructure systems, the effectiveness and reliability of inspection chambers are directly related to the operational safety and maintenance costs of the entire underground pipeline network. Traditional brick and concrete inspection chambers have exposed multiple limitations in long-term practice, including structural, durability, and construction efficiency issues. The Luzhongbao 700x760x50 Composite Circular Inspection Chamber, as a solution based on high-performance materials and precision structural engineering, fundamentally breaks through these limitations, setting a new technical standard for inspection chamber applications in demanding working conditions. 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