{"id":794,"date":"2025-06-26T07:23:06","date_gmt":"2025-06-26T07:23:06","guid":{"rendered":"https:\/\/lzbmetal.com\/?p=794"},"modified":"2025-06-26T07:23:23","modified_gmt":"2025-06-26T07:23:23","slug":"nap-ho-ga-hinh-chu-nhat-composite","status":"publish","type":"post","link":"https:\/\/lzbmetal.com\/vi\/nap-ho-ga-hinh-chu-nhat-composite\/","title":{"rendered":"N\u1eafp h\u1ed1 ga h\u00ecnh ch\u1eef nh\u1eadt composite 620\u00d71000\u00d775"},"content":{"rendered":"<h3 class=\"wp-block-heading\">I. Ph\u00e2n t\u00edch c\u1ea5u tr\u00fac: K\u00edch th\u01b0\u1edbc kh\u00f4ng chu\u1ea9n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng c\u00f3 m\u1ee5c \u0111\u00edch &nbsp;<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1eadt li\u1ec7u l\u00f5i: Nh\u1ef1a polyester kh\u00f4ng b\u00e3o h\u00f2a + gia c\u1ed1 s\u1ee3i th\u1ee7y tinh, \u0111\u00fac trong m\u1ed9t chu k\u1ef3 \u00e1p su\u1ea5t cao. K\u1ebft c\u1ea5u kh\u00f4ng ch\u1ee9a kim lo\u1ea1i gi\u00fap lo\u1ea1i b\u1ecf gi\u00e1 tr\u1ecb ph\u1ebf li\u1ec7u, gi\u1ea3i quy\u1ebft tri\u1ec7t \u0111\u1ec3 r\u1ee7i ro tr\u1ed9m c\u1eafp.<\/li>\n\n\n\n<li>K\u00edch th\u01b0\u1edbc: 620mm (R) \u00d7 1000mm (D) \u00d7 75mm (C) \u2013 \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c h\u1ed1 d\u00e0i (v\u00ed d\u1ee5: h\u00e0nh lang ti\u1ec7n \u00edch \u0111\u00f4ng \u0111\u00fac). \u0110\u1ed9 d\u00e0y 75mm t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac. &nbsp;<\/li>\n\n\n\n<li>\u0110\u1ed5i m\u1edbi quy tr\u00ecnh: L\u1edbp ph\u1ee7 nhi\u1ec1u l\u1edbp li\u00ean k\u1ebft b\u1ec1 m\u1eb7t ch\u1ed1ng m\u00e0i m\u00f2n (ch\u00e8n th\u1ea1ch anh) v\u1edbi l\u1edbp gia c\u1ed1 b\u00ean trong (s\u1ee3i d\u00e0i li\u00ean t\u1ee5c) \u0111\u1ec3 ch\u1ed1ng n\u1ee9t\/n\u00e9n. &nbsp;<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">II. S\u00e1u l\u1ee3i th\u1ebf c\u1ed1t l\u00f5i &nbsp;<\/h3>\n\n\n\n<p><strong>1. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i m\u1ea1nh m\u1ebd v\u00e0 d\u1ef1 ph\u00f2ng an to\u00e0n \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;M\u1eb7c d\u00f9 c\u00f3 chi\u1ec1u r\u1ed9ng h\u1eb9p h\u01a1n, \u0111\u1ed9 d\u00e0y 75mm + \u0111\u1ebf h\u00ecnh b\u00e1t ph\u00e2n t\u00e1n \u00e1p l\u1ef1c hi\u1ec7u qu\u1ea3. T\u1ea3i tr\u1ecdng t\u1ed1i \u0111a \u0111\u00e3 th\u1eed nghi\u1ec7m &gt;40 t\u1ea5n \u2013 ph\u1ee5c v\u1ee5 \u0111\u00e1ng tin c\u1eady cho c\u00e1c l\u00e0n \u0111\u01b0\u1eddng c\u1ee9u h\u1ecfa\/l\u1ed1i v\u00e0o h\u00e0ng h\u00f3a m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng d\u00e0i h\u1ea1n. &nbsp;<\/p>\n\n\n\n<p><strong>2. Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;H\u1ee3p ch\u1ea5t s\u1ee3i nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i axit, h\u01a1i mu\u1ed1i bi\u1ec3n ven b\u1edd v\u00e0 chu k\u1ef3 \u0111\u00f3ng b\u0103ng-tan b\u0103ng \u1edf nhi\u1ec7t \u0111\u1ed9 -30\u00b0C. Tu\u1ed5i th\u1ecd tr\u00ean 25 n\u0103m \u2013 v\u01b0\u1ee3t xa gang (\u224810 n\u0103m). &nbsp;<\/p>\n\n\n\n<p><strong>3. Tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 hi\u1ec7u qu\u1ea3 l\u1eafp \u0111\u1eb7t <\/strong>\u00a0<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;1\/3 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u1eafp gang t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (50-60kg). Cho ph\u00e9p l\u1eafp \u0111\u1eb7t hai ng\u01b0\u1eddi trong kh\u00f4ng gian h\u1ea1n ch\u1ebf (v\u00ed d\u1ee5: ng\u00f5 h\u1ebbm, gara), c\u1eaft gi\u1ea3m th\u1eddi gian s\u1eeda ch\u1eefa &gt;50%. &nbsp;<\/p>\n\n\n\n<p><strong>4. Gi\u1ea3m ti\u1ebfng \u1ed3n v\u00e0 ch\u1ed1ng tr\u01b0\u1ee3t <\/strong>\u00a0<\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;Lo\u1ea1i b\u1ecf ti\u1ebfng k\u00eau leng keng c\u1ee7a kim lo\u1ea1i khi xe ch\u1ea1y qua. K\u1ebft c\u1ea5u ch\u1ed1ng tr\u01b0\u1ee3t 3D duy tr\u00ec \u0111\u1ed9 ma s\u00e1t cao tr\u00ean b\u1ec1 m\u1eb7t \u01b0\u1edbt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi \u0111i b\u1ed9\/xe \u0111\u1ea1p \u0111i\u1ec7n. &nbsp;<\/p>\n\n\n\n<p><strong>5. L\u1edbp ph\u1ee7 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc \u0111\u1ec3 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t b\u00ean d\u01b0\u1edbi \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;Gio\u0103ng EPDM + \u0111\u1ed9 kh\u00edt ch\u00ednh x\u00e1c gi\u00fap ng\u0103n n\u01b0\u1edbc th\u1ea5m v\u00e0o \u2013 r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ed1 \u0111\u1ed3ng h\u1ed3\/bu\u1ed3ng \u0111i\u1ec7n \u00e1p th\u1ea5p n\u01a1i \u0111\u1ed9 \u1ea9m l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb. &nbsp;<\/p>\n\n\n\n<p><strong>6. Th\u1ea9m m\u1ef9 v\u00e0 ch\u1ee9c n\u0103ng t\u00f9y ch\u1ec9nh \u00a0<\/strong><\/p>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;M\u00e0u s\u1eafc t\u1ed5ng th\u1ec3 (kh\u00f4ng s\u01a1n), k\u1ebft c\u1ea5u \u0111\u00e1\/g\u1ed7 v\u00e0 c\u00e1c d\u1ea5u hi\u1ec7u ti\u1ec7n \u00edch (\u201cGas\u201d, \u201cComms\u201d). H\u00f2a tr\u1ed9n li\u1ec1n m\u1ea1ch v\u00e0o c\u00e1c khu danh lam th\u1eafng c\u1ea3nh\/l\u1ecbch s\u1eed. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">III. T\u1ea1i sao k\u00edch th\u01b0\u1edbc kh\u00f4ng chu\u1ea9n l\u1ea1i c\u00f3 l\u1ee3i th\u1ebf? &nbsp;<\/h3>\n\n\n\n<p>H\u00ecnh ch\u1eef nh\u1eadt 620\u00d71000 n\u00e0y gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3: &nbsp;<\/p>\n\n\n\n<p>L\u1eafp \u0111\u1eb7t trong kh\u00f4ng gian h\u1ea1n ch\u1ebf: Ph\u00f9 h\u1ee3p v\u1edbi khe h\u1edf h\u1eb9p tr\u00ean t\u01b0\u1eddng ho\u1eb7c g\u00f3c r\u00e3nh \u1ed1ng n\u01a1i n\u1eafp vu\u00f4ng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng. &nbsp;<\/p>\n\n\n\n<p>C\u0103n ch\u1ec9nh thi\u1ebft b\u1ecb: Bao ph\u1ee7 c\u00e1c nh\u00f3m van\/\u0111\u1ed3ng h\u1ed3 \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo chi\u1ec1u ngang v\u1edbi l\u01b0\u1ee3ng \u0111\u00e0o t\u1ed1i thi\u1ec3u. &nbsp;<\/p>\n\n\n\n<p>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed: Tr\u00e1nh s\u1eed d\u1ee5ng v\u00e1n khu\u00f4n b\u00ea t\u00f4ng t\u00f9y ch\u1ec9nh \u2013 20% c\u00f3 t\u1ed5ng chi ph\u00ed th\u1ea5p h\u01a1n so v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00fac t\u1ea1i ch\u1ed7. &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">IV. H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec &nbsp;<\/h3>\n\n\n\n<p>Chu\u1ea9n b\u1ecb n\u1ec1n: C\u1ed5 b\u00ea t\u00f4ng r\u1ed9ng 400mm (b\u1ea3o d\u01b0\u1ee1ng \u226510 ng\u00e0y) &nbsp;<\/p>\n\n\n\n<p>B\u1ea3o v\u1ec7 m\u1eb7t \u0111\u01b0\u1eddng: Ph\u1ee7 b\u1ec1 m\u1eb7t trong qu\u00e1 tr\u00ecnh tr\u1ea3i nh\u1ef1a \u0111\u01b0\u1eddng \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 k\u1ebft d\u00ednh &nbsp;<\/p>\n\n\n\n<p>Giao th\u1ee9c l\u1ea5p \u0111\u1ea5t: N\u00e9n ch\u1eb7t c\u00e1t trung b\u00ecnh-th\u00f4 theo t\u1eebng l\u1edbp \u0111\u1ebfn \u0111\u1ed9 s\u00e2u \u0111\u00f3ng b\u0103ng. *Kh\u00f4ng n\u00e9n ch\u1eb7t c\u01a1 h\u1ecdc tr\u1ef1c ti\u1ebfp tr\u00ean l\u1edbp ph\u1ee7.* &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">V. T\u01b0\u01a1ng th\u00edch sinh th\u00e1i v\u00e0 h\u1ed9i nh\u1eadp \u0111\u00f4 th\u1ecb &nbsp;<\/h3>\n\n\n\n<p>S\u1ea3n xu\u1ea5t b\u1ec1n v\u1eefng: Ti\u00eau th\u1ee5 1\/4 n\u0103ng l\u01b0\u1ee3ng so v\u1edbi gang + ph\u1ebf li\u1ec7u c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf &nbsp;<\/p>\n\n\n\n<p>T\u00f9y ch\u1ec9nh th\u1ea9m m\u1ef9: Hoa v\u0103n ch\u1ed1ng tr\u01b0\u1ee3t, logo ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng khu v\u1ef1c; Ph\u1ed1i m\u00e0u RAL \u0111\u1ec3 t\u1ea1o s\u1ef1 h\u00e0i h\u00f2a cho c\u1ea3nh quan &nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">K\u1ebft lu\u1eadn: K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, t\u00e1c \u0111\u1ed9ng v\u0129 m\u00f4 &nbsp;<\/h3>\n\n\n\n<p>M\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i l\u00e0 ti\u00eau chu\u1ea9n, nh\u01b0ng l\u1edbp ph\u1ee7 composite 620\u00d71000\u00d775 mang l\u1ea1i kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng \u0111\u1eb7c bi\u1ec7t th\u00f4ng qua kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 thi\u1ebft k\u1ebf nh\u1eb9. L\u00e0 m\u1ed9t k\u1ef9 s\u01b0 hi\u1ec7n tr\u01b0\u1eddng, t\u00f4i \u0111\u00e3 ch\u1ee9ng ki\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a n\u00f3 trong vi\u1ec7c s\u1eeda ch\u1eefa l\u00e0n \u0111\u01b0\u1eddng h\u1eb9p, an to\u00e0n khu v\u1ef1c h\u00f3a ch\u1ea5t v\u00e0 t\u00edch h\u1ee3p khu v\u1ef1c c\u1ea3nh quan. V\u1edbi nhu c\u1ea7u \u0111\u1ed5i m\u1edbi \u0111\u00f4 th\u1ecb ng\u00e0y c\u00e0ng t\u0103ng, c\u00e1c l\u1edbp ph\u1ee7 composite \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang nh\u01b0 v\u1eady s\u1ebd tr\u1edf n\u00ean quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ch\u00ednh x\u00e1c.<\/p>","protected":false},"excerpt":{"rendered":"<p>I. Ph\u00e2n t\u00edch c\u1ea5u tr\u00fac: K\u00edch th\u01b0\u1edbc kh\u00f4ng chu\u1ea9n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng c\u00f3 m\u1ee5c \u0111\u00edch II. S\u00e1u \u01b0u \u0111i\u1ec3m c\u1ed1t l\u00f5i 1. Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i m\u1ea1nh m\u1ebd &amp; D\u1ef1 ph\u00f2ng an to\u00e0n M\u1eb7c d\u00f9 chi\u1ec1u r\u1ed9ng h\u1eb9p h\u01a1n, \u0111\u1ed9 d\u00e0y 75mm + \u0111\u1ebf h\u00ecnh b\u00e1t ph\u00e2n t\u00e1n \u00e1p l\u1ef1c hi\u1ec7u qu\u1ea3. T\u1ea3i tr\u1ecdng t\u1ed1i \u0111a \u0111\u00e3 th\u1eed nghi\u1ec7m &gt;40 t\u1ea5n \u2013 ph\u1ee5c v\u1ee5 \u0111\u00e1ng tin c\u1eady cho c\u00e1c l\u00e0n \u0111\u01b0\u1eddng c\u1ee9u h\u1ecfa\/l\u1ed1i v\u00e0o h\u00e0ng h\u00f3a m\u00e0 kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng d\u00e0i h\u1ea1n. 2. Kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t Composite s\u1ee3i nh\u1ef1a [\u2026]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,2,53],"tags":[136,85],"class_list":["post-794","post","type-post","status-publish","format-standard","hentry","category-composite-resin-fiber-products","category-products","category-square-manhole-cover-composite-resin-fiber-products","tag-composite-cover","tag-composite-manhole-cover"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>620\u00d71000\u00d775 Composite Rectangular Manhole Cover Products - LZBMetal Products Co., Ltd<\/title>\n<meta name=\"description\" content=\"Through material innovation (fiberglass reinforced resin), process advancement (high-temperature compression molding), and structural optimization (dual-leaf locking), this cover significantly outperforms traditional designs in load reliability, environmental durability, operational economy, and public safety. 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