{"id":9765,"date":"2024-10-28T02:29:40","date_gmt":"2024-10-28T02:29:40","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=9765"},"modified":"2024-12-09T09:26:06","modified_gmt":"2024-12-09T09:26:06","slug":"overhead-crane-abnormal-noise-causes-and-repair","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/vi\/posts\/overhead-crane-abnormal-noise-causes-and-repair\/","title":{"rendered":"Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c: 5 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn v\u00e0 gi\u1ea3i ph\u00e1p s\u1eeda ch\u1eefa hi\u1ec7u qu\u1ea3\u00a0"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>M\u1ee5c l\u1ee5c<\/p><nav><ul><li><a href=\"#analysis-of-overhead-crane-abnormal-noise-causes\">Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/a><ul><li><a href=\"#1-causes-of-the-overhead-crane-traveling-mechanism\">1. Nguy\u00ean nh\u00e2n c\u1ee7a c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/a><\/li><li><a href=\"#2-crane-rail-causes\">2. Nguy\u00ean nh\u00e2n \u0111\u01b0\u1eddng ray c\u1ea7n c\u1ea9u<\/a><\/li><li><a href=\"#3-crane-runway-girder-causes\">3. Nguy\u00ean nh\u00e2n g\u00e2y ra d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng c\u1ea9u<\/a><\/li><li><a href=\"#4-foundation-settlement-causes\">4. Nguy\u00ean nh\u00e2n l\u00fan n\u1ec1n m\u00f3ng<\/a><\/li><li><a href=\"#5-electrical-causes\">5. Nguy\u00ean nh\u00e2n \u0111i\u1ec7n<\/a><\/li><\/ul><\/li><li><a href=\"#solutions-for-overhead-crane-abnormal-noise\">Gi\u1ea3i ph\u00e1p cho ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/a><ul><li><a href=\"#1-crane-traveling-mechanism-solutions\">1. Gi\u1ea3i ph\u00e1p c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n c\u1ea9u<\/a><\/li><li><a href=\"#2-crane-rail-solutions\">2. Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1eddng ray c\u1ea7n c\u1ea9u<\/a><\/li><li><a href=\"#3-runway-girder-solutions\">3. Gi\u1ea3i ph\u00e1p d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng<\/a><\/li><li><a href=\"#4-foundation-settlement-solutions\">4. Gi\u1ea3i ph\u00e1p l\u00fan n\u1ec1n m\u00f3ng<\/a><\/li><li><a href=\"#5-electrical-fault-solutions\">5. Gi\u1ea3i ph\u00e1p l\u1ed7i \u0111i\u1ec7n<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn trong ho\u1ea1t \u0111\u1ed9ng c\u1ea7u tr\u1ee5c. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong ho\u1ea1t \u0111\u1ed9ng c\u1ea7u tr\u1ee5c c\u1ea7u, li\u1ec7t k\u00ea n\u0103m y\u1ebfu t\u1ed1 ti\u1ec1m \u1ea9n: c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n tr\u1ee5c, ray c\u1ea7n tr\u1ee5c, d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng c\u1ea7n tr\u1ee5c, l\u00fan m\u00f3ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. B\u00e0i vi\u1ebft c\u0169ng cung c\u1ea5p m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ebfng \u1ed3n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea, hy v\u1ecdng s\u1ebd h\u1eefu \u00edch cho b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"analysis-of-overhead-crane-abnormal-noise-causes\">Ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/h2>\n\n\n\n<p>Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u1ea7n tr\u1ee5c \u1edf tr\u1ea1ng th\u00e1i ban \u0111\u1ea7u, kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn n\u00e0o nh\u01b0 b\u00e1nh xe, c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng ho\u1eb7c \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c thay th\u1ebf. Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng do thay th\u1ebf thi\u1ebft b\u1ecb c\u1ea7n tr\u1ee5c kh\u00f4ng n\u1eb1m trong ph\u1ea1m vi c\u1ee7a b\u00e0i vi\u1ebft n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-causes-of-the-overhead-crane-traveling-mechanism\">1. Nguy\u00ean nh\u00e2n c\u1ee7a c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"1-crane-wheel-causes\">(1) Nguy\u00ean nh\u00e2n b\u00e1nh xe c\u1ea7n c\u1ea9u<\/h4>\n\n\n\n<p>Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c do b\u00e1nh xe c\u1ea7n tr\u1ee5c g\u00e2y ra th\u01b0\u1eddng g\u1eb7p trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 nh\u1eefng l\u00fd do ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul>\n<li>B\u00e1nh xe kh\u00f4ng c\u00e2n b\u1eb1ng theo chi\u1ec1u ngang ho\u1eb7c chi\u1ec1u d\u1ecdc qu\u00e1 m\u1ee9c, d\u1eabn \u0111\u1ebfn ma s\u00e1t v\u00e0 va ch\u1ea1m li\u00ean t\u1ee5c gi\u1eefa b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u.<\/li>\n\n\n\n<li>B\u00f4i tr\u01a1n \u1ed5 tr\u1ee5c b\u00e1nh xe k\u00e9m, l\u00e0m t\u0103ng l\u1ef1c c\u1ea3n khi ch\u1ea1y v\u00e0 \u1ed5 tr\u1ee5c b\u1ecb h\u1ecfng, g\u00e2y k\u1eb9t v\u00e0 ph\u00e1t ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng.<\/li>\n\n\n\n<li>M\u00f2n qu\u00e1 m\u1ee9c \u1edf v\u00e0nh b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray ch\u1ea1y c\u1ea7n c\u1ea9u.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-guide-wheel-causes\">(2) Nguy\u00ean nh\u00e2n b\u00e1nh xe d\u1eabn h\u01b0\u1edbng<\/h4>\n\n\n\n<p>B\u00e1nh d\u1eabn h\u01b0\u1edbng c\u1ee7a c\u1ea7n c\u1ea9u l\u00e0 b\u00e1nh xe c\u00f3 tr\u1ee5c th\u1eb3ng \u0111\u1ee9ng gi\u00fap c\u1ea7n c\u1ea9u ho\u1eb7c xe \u0111\u1ea9y \u0111i \u0111\u00fang h\u01b0\u1edbng. Vi\u1ec7c l\u1eafp \u0111\u1eb7t ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh b\u00e1nh d\u1eabn h\u01b0\u1edbng kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 g\u00e2y ra ma s\u00e1t ho\u1eb7c va ch\u1ea1m gi\u1eefa b\u00e1nh d\u1eabn h\u01b0\u1edbng v\u00e0 ray c\u1ea7n c\u1ea9u, d\u1eabn \u0111\u1ebfn ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng. Nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 1, \u0111\u1ed9 m\u00f2n c\u1ee7a b\u00e1nh d\u1eabn h\u01b0\u1edbng c\u00f3 th\u1ec3 kh\u00e1 nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1410\" height=\"940\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/Guide-wheel-wear-causes-Overhead-Crane-Abnormal-Noise.png\" alt=\"\" class=\"wp-image-9771\"\/><figcaption class=\"wp-element-caption\">H\u00ecnh 1<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"3-drive-mechanism-causes\">(3) Nguy\u00ean nh\u00e2n c\u01a1 ch\u1ebf truy\u1ec1n \u0111\u1ed9ng<\/h4>\n\n\n\n<p>C\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng c\u1ee7a c\u1ea7n c\u1ea9u \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong b\u00e0i vi\u1ebft n\u00e0y s\u1eed d\u1ee5ng c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng \u201cba trong m\u1ed9t\u201d l\u00e0m v\u00ed d\u1ee5, m\u1eb7c d\u00f9 c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp ri\u00eang bi\u1ec7t c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tham chi\u1ebfu. C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng bao g\u1ed3m:<\/p>\n\n\n\n<ul>\n<li>Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng t\u1eeb b\u1ed9 gi\u1ea3m t\u1ed1c \u201cba trong m\u1ed9t\u201d, b\u00e1nh r\u0103ng b\u1ecb m\u00f2n ho\u1eb7c r\u0103ng b\u1ecb g\u00e3y.<\/li>\n\n\n\n<li>Hai ho\u1eb7c nhi\u1ec1u phanh kh\u00f4ng \u0111\u1ed3ng b\u1ed9, b\u1ecb h\u1ecfng ho\u1eb7c b\u1ecb m\u1ea5t (nh\u01b0 minh h\u1ecda trong H\u00ecnh 2).<\/li>\n\n\n\n<li>Mi\u1ebfng \u0111\u1ec7m b\u1ecb m\u00f2n (nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 3).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/brake-missing.png\" alt=\"\" class=\"wp-image-9773\"\/><figcaption class=\"wp-element-caption\">H\u00ecnh 2<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1354\" height=\"902\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/Buffer-pad-wear.png\" alt=\"\" class=\"wp-image-9774\"\/><figcaption class=\"wp-element-caption\">H\u00ecnh 3<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"4-crane-main-girder-causes\">(4) Nguy\u00ean nh\u00e2n d\u1ea7m ch\u00ednh c\u1ee7a c\u1ea7n c\u1ea9u<\/h4>\n\n\n\n<p>Nh\u1eefng l\u00fd do ch\u00ednh g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n c\u1ea9u do d\u1ea7m ch\u00ednh c\u1ee7a c\u1ea7n c\u1ea9u bao g\u1ed3m:<\/p>\n\n\n\n<ul>\n<li>D\u1ea7m ch\u00ednh c\u1ee7a c\u1ea7n tr\u1ee5c b\u1ecb u\u1ed1n cong theo chi\u1ec1u ngang qu\u00e1 m\u1ee9c, d\u1eabn \u0111\u1ebfn m\u1ea5t c\u00e2n b\u1eb1ng theo \u0111\u01b0\u1eddng ch\u00e9o.<\/li>\n\n\n\n<li>Nh\u1eefng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 \u1edf \u0111\u1ed9 cong c\u1ee7a d\u1ea7m ch\u00ednh, g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i \u1edf chi\u1ec1u d\u00e0i c\u01a1 s\u1edf c\u1ee7a c\u1ea7n c\u1ea9u.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-crane-rail-causes\">2. Nguy\u00ean nh\u00e2n \u0111\u01b0\u1eddng ray c\u1ea7n c\u1ea9u<\/h3>\n\n\n\n<p>Sau th\u1eddi gian d\u00e0i v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi t\u1ea3i tr\u1ecdng \u0111\u1ea7y \u0111\u1ee7, \u1ee9ng su\u1ea5t tr\u00ean \u0111\u01b0\u1eddng ray t\u0103ng l\u00ean, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u. N\u1ebfu b\u1ea3o tr\u00ec kh\u00f4ng \u0111\u1ee7, c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 tr\u1edf n\u00ean r\u00f5 r\u1ec7t h\u01a1n. C\u00e1c nguy\u00ean nh\u00e2n ch\u00ednh li\u00ean quan \u0111\u1ebfn \u0111\u01b0\u1eddng ray g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n\n\n\n<ul>\n<li>Si\u1ebft ch\u1eb7t ho\u1eb7c n\u1edbi l\u1ecfng \u0111ai \u1ed1c k\u1eb9p ray kh\u00f4ng \u0111\u1ee7 (xem H\u00ecnh 4), g\u00e2y bi\u1ebfn d\u1ea1ng ray t\u1ea1i c\u00e1c khu v\u1ef1c l\u1ecfng l\u1ebbo v\u00e0 t\u1ea1o ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n c\u1ea7n c\u1ea9u.<\/li>\n\n\n\n<li>Kho\u1ea3ng c\u00e1ch qu\u00e1 l\u1edbn gi\u1eefa thanh ray v\u00e0 d\u1ea7m c\u1ea7u tr\u1ee5c, t\u1ea5m \u0111\u1ec7m b\u1ecb thi\u1ebfu ho\u1eb7c l\u1eafp kh\u00f4ng \u0111\u00fang c\u00e1ch.<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch theo chi\u1ec1u th\u1eb3ng \u0111\u1ee9ng c\u1ee7a c\u00e1c m\u1ed1i n\u1ed1i ray \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng c\u00e1c t\u1ea5m neo v\u01b0\u1ee3t qu\u00e1 dung sai cho ph\u00e9p, ch\u01b0a \u0111\u01b0\u1ee3c m\u00e0i ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh, g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng khi c\u1ea7n c\u1ea9u \u0111i qua.<\/li>\n\n\n\n<li>S\u1ef1 sai l\u1ec7ch theo chi\u1ec1u ngang c\u1ee7a c\u00e1c kh\u1edbp ray \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i b\u1eb1ng t\u1ea5m n\u1ed1i, d\u1eabn \u0111\u1ebfn ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng; c\u00e1c k\u1ebft n\u1ed1i t\u1ea5m n\u1ed1i c\u00f3 kho\u1ea3ng c\u00e1ch qu\u00e1 m\u1ee9c (xem H\u00ecnh 5).<\/li>\n\n\n\n<li>\u0110\u1ed9 nh\u1eb5n c\u1ee7a m\u1ed1i h\u00e0n ray kh\u00f4ng \u0111\u1ee7, d\u1eabn \u0111\u1ebfn n\u1ee9t ho\u1eb7c m\u1ed1i n\u1ed1i b\u1ecb bong ra.<\/li>\n\n\n\n<li>Thi\u1ebfu k\u1eb9p ray, g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng.<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch qu\u00e1 m\u1ee9c v\u1ec1 \u0111\u1ed9 th\u1eb3ng \u0111\u1ee9ng ho\u1eb7c ngang c\u1ee7a thanh ray d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3.<\/li>\n\n\n\n<li>Kho\u1ea3ng c\u00e1ch \u0111\u01b0\u1eddng ray v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 l\u1ec7ch cho ph\u00e9p.<\/li>\n\n\n\n<li>Ch\u00eanh l\u1ec7ch chi\u1ec1u cao qu\u00e1 m\u1ee9c gi\u1eefa \u0111\u1ec9nh c\u1ee7a hai thanh ray song song.<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch d\u1ecdc c\u1ee7a v\u1ecb tr\u00ed m\u1ed1i n\u1ed1i ray gi\u1eefa hai thanh ray song song kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c kh\u00f4ng \u0111\u1ee7.<\/li>\n\n\n\n<li>C\u00f3 v\u1ebft m\u00f2n nghi\u00eam tr\u1ecdng \u1edf hai b\u00ean \u0111\u01b0\u1eddng ray.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1164\" height=\"776\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/Rail-clamp-nut-insufficiently-tightened.png\" alt=\"\" class=\"wp-image-9775\"\/><figcaption class=\"wp-element-caption\">H\u00ecnh 4<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1152\" height=\"768\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/Excessive-gap-at-the-rail-joint.png\" alt=\"\" class=\"wp-image-9776\"\/><figcaption class=\"wp-element-caption\">H\u00ecnh 5<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-crane-runway-girder-causes\">3. Nguy\u00ean nh\u00e2n g\u00e2y ra d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng c\u1ea9u<\/h3>\n\n\n\n<ul>\n<li>\u0110\u1ed9 v\u00f5ng xu\u1ed1ng qu\u00e1 m\u1ee9c c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng b\u1eb1ng th\u00e9p ho\u1eb7c d\u1ea7m b\u1ecb u\u1ed1n cong ngang.<\/li>\n\n\n\n<li>C\u00e1c m\u1ed1i n\u1ed1i l\u1ecfng l\u1ebbo \u1edf d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng.<\/li>\n\n\n\n<li>Bu l\u00f4ng k\u1ebft n\u1ed1i d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng b\u1ecb l\u1ecfng ho\u1eb7c b\u1ecb thi\u1ebfu.<\/li>\n\n\n\n<li>Ch\u00eanh l\u1ec7ch chi\u1ec1u cao qu\u00e1 m\u1ee9c gi\u1eefa c\u00e1c d\u1ea7m li\u1ec1n k\u1ec1 (xem H\u00ecnh 6).<\/li>\n\n\n\n<li>N\u1ee9t ho\u1eb7c v\u1ee1 l\u1edbp v\u1eefa b\u00ea t\u00f4ng ho\u1eb7c l\u1edbp san ph\u1eb3ng gi\u1eefa d\u1ea7m c\u1ea7u tr\u1ee5c b\u00ea t\u00f4ng v\u00e0 \u0111\u01b0\u1eddng ray.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1178\" height=\"784\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/Excessive-height-deviation-between-runway-girders.png\" alt=\"\" class=\"wp-image-9777\"\/><figcaption class=\"wp-element-caption\">H\u00ecnh 6<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-foundation-settlement-causes\">4. Nguy\u00ean nh\u00e2n l\u00fan n\u1ec1n m\u00f3ng<\/h3>\n\n\n\n<p>L\u00fan m\u00f3ng l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng n\u00e9n c\u00e1c l\u1edbp \u0111\u1ea5t d\u01b0\u1edbi \u1ee9ng su\u1ea5t b\u1ed5 sung, d\u1eabn \u0111\u1ebfn s\u1ee5t l\u00fan b\u1ec1 m\u1eb7t. L\u00fan qu\u00e1 m\u1ee9c, \u0111\u1eb7c bi\u1ec7t l\u00e0 l\u00fan kh\u00f4ng \u0111\u1ec1u, c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c t\u00f2a nh\u00e0 nghi\u00eang, n\u1ee9t v\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c. L\u00fan m\u00f3ng l\u00e0 v\u1ea5n \u0111\u1ec1 chung li\u00ean quan \u0111\u1ebfn to\u00e0n b\u1ed9 k\u1ebft c\u1ea5u nh\u00e0 m\u00e1y. C\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb v\u00e0i m\u00e9t l\u00fan c\u1ee5c b\u1ed9 quy m\u00f4 nh\u1ecf \u0111\u1ebfn h\u00e0ng ch\u1ee5c m\u00e9t l\u00fan t\u1ed5ng th\u1ec3 quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n<p>S\u1ef1 l\u00fan c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 khi\u1ebfn m\u1ed9t s\u1ed1 b\u1ed9 ph\u1eadn c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng b\u1ecb ch\u00ecm, t\u1ea1o ra kho\u1ea3ng h\u1edf gi\u1eefa d\u1ea7m b\u1ecb ch\u00ecm v\u00e0 ray c\u1ea7n c\u1ea9u (xem H\u00ecnh 7). Kho\u1ea3ng h\u1edf n\u00e0y d\u1eabn \u0111\u1ebfn ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u do \u1ee9ng su\u1ea5t t\u0103ng l\u00ean tr\u00ean ray. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u00fang c\u00e1ch theo th\u1eddi gian, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n ho\u1eb7c h\u01b0 h\u1ecfng cho ray c\u1ea7n c\u1ea9u \u1edf nh\u1eefng khu v\u1ef1c b\u1ecb \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1556\" height=\"1038\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/A-gap-has-formed-between-the-runway-girder-and-the-crane-rail.png\" alt=\"\" class=\"wp-image-9778\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/A-gap-has-formed-between-the-runway-girder-and-the-crane-rail.png 1556w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2024\/10\/A-gap-has-formed-between-the-runway-girder-and-the-crane-rail-1536x1025.png 1536w\" sizes=\"(max-width: 1556px) 100vw, 1556px\" \/><figcaption class=\"wp-element-caption\">H\u00ecnh 7<\/figcaption><\/figure>\n\n\n\n<p>L\u00fan t\u1ed5ng th\u1ec3 l\u00e0 m\u1ed9t d\u1ea1ng l\u00fan n\u1ec1n nghi\u00eam tr\u1ecdng h\u01a1n, g\u00e2y ra t\u00ecnh tr\u1ea1ng l\u00fan tr\u00ean di\u1ec7n r\u1ed9ng c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng. \u0110\u1ed9 l\u00fan kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 cao ho\u1eb7c bi\u1ebfn d\u1ea1ng theo chi\u1ec1u ngang c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng, t\u1eeb \u0111\u00f3 g\u00e2y ra bi\u1ebfn d\u1ea1ng theo chi\u1ec1u d\u1ecdc ho\u1eb7c chi\u1ec1u ngang t\u01b0\u01a1ng \u1ee9ng \u1edf thanh ray c\u1ea7n c\u1ea9u. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u, ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng tr\u1edf n\u00ean r\u00f5 r\u1ec7t h\u01a1n, khi\u1ebfn vi\u1ec7c v\u1eadn h\u00e0nh t\u1ed1c \u0111\u1ed9 cao tr\u1edf n\u00ean kh\u00f3 kh\u0103n ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 kh\u00f4ng th\u1ec3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-electrical-causes\">5. Nguy\u00ean nh\u00e2n \u0111i\u1ec7n<\/h3>\n\n\n\n<p>Trong khi h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c tr\u00ean cao trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n tr\u1ee5c l\u00e0 do c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u01a1 kh\u00ed, th\u00ec c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 v\u1ec1 \u0111i\u1ec7n c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n g\u00e2y ra. Nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y bao g\u1ed3m c\u00e1c k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo ho\u1eb7c k\u00e9m trong \u0111\u1ed9ng c\u01a1 ho\u1eb7c h\u1ec7 th\u1ed1ng d\u00e2y phanh, c\u0169ng nh\u01b0 h\u01b0 h\u1ecfng ho\u1eb7c m\u00f2n m\u00e1 phanh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"solutions-for-overhead-crane-abnormal-noise\">Gi\u1ea3i ph\u00e1p cho ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/h2>\n\n\n\n<p>M\u1ed7i nguy\u00ean nh\u00e2n g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7u tr\u1ee5c \u0111\u1ec1u \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1c gi\u1ea3i ph\u00e1p t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-crane-traveling-mechanism-solutions\">1. Gi\u1ea3i ph\u00e1p c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n c\u1ea9u<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"1-crane-wheel-solutions\">(1) Gi\u1ea3i ph\u00e1p b\u00e1nh xe c\u1ea7n c\u1ea9u<\/h4>\n\n\n\n<ul>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn s\u1ef1 sai l\u1ec7ch qu\u00e1 m\u1ee9c theo chi\u1ec1u ngang ho\u1eb7c chi\u1ec1u d\u1ecdc c\u1ee7a <a href=\"https:\/\/www.hndfcrane.com\/vi\/crane-wheels\/\">b\u00e1nh xe c\u1ea7n c\u1ea9u<\/a>, s\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ea7u ti\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c \u0111o. Tham kh\u1ea3o <a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/gb\/newGbInfo?hcno=D60C84F3FEFE22AA76E102003DB317C6\" target=\"_blank\" rel=\"noopener\">GB\/T 14405-2011<\/a>, v\u00e0 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean c\u00e1c gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c. Khi \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 l\u1ec7ch ngang, h\u00e3y \u0111\u1eb7t mi\u1ebfng \u0111\u1ec7m v\u00e0o m\u1eb7t ph\u1eb3ng th\u1eb3ng \u0111\u1ee9ng c\u1ee7a b\u1ed9 b\u00e1nh xe v\u00e0 \u0111\u1ed1i v\u1edbi \u0111\u1ed9 l\u1ec7ch d\u1ecdc, h\u00e3y \u0111\u1eb7t mi\u1ebfng \u0111\u1ec7m v\u00e0o m\u1eb7t ph\u1eb3ng n\u1eb1m ngang. Sau khi \u0111i\u1ec1u ch\u1ec9nh, h\u00e3y ch\u1ea1y th\u1eed v\u00e0 ki\u1ec3m tra khe h\u1edf gi\u1eefa b\u00e1nh xe c\u1ea7n c\u1ea9u v\u00e0 ray.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 m\u00e0 vi\u1ec7c b\u00f4i tr\u01a1n \u1ed5 tr\u1ee5c b\u00e1nh xe k\u00e9m l\u00e0m t\u0103ng l\u1ef1c c\u1ea3n khi ch\u1ea1y, c\u1ea7n ph\u1ea3i b\u1ed5 sung m\u1ee1 b\u00f4i tr\u01a1n ngay l\u1eadp t\u1ee9c. Sau \u0111\u00f3, h\u00e3y ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u1ee7a \u1ed5 tr\u1ee5c. N\u1ebfu \u1ed5 tr\u1ee5c b\u1ecb h\u1ecfng g\u00e2y ra ti\u1ebfng k\u1eb9t ho\u1eb7c ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng, c\u1ea7n ph\u1ea3i thay \u1ed5 tr\u1ee5c ngay l\u1eadp t\u1ee9c \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ebfp theo.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi t\u00ecnh tr\u1ea1ng m\u00f2n qu\u00e1 m\u1ee9c c\u1ee7a v\u00e0nh b\u00e1nh xe c\u1ea7n c\u1ea9u v\u00e0 ray, tr\u01b0\u1edbc ti\u00ean h\u00e3y \u0111i\u1ec1u tra nguy\u00ean nh\u00e2n g\u00e2y m\u00f2n, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00e1nh xe kh\u00f4ng th\u1eb3ng h\u00e0ng qu\u00e1 m\u1ee9c ho\u1eb7c l\u1eafp \u0111\u1eb7t ray kh\u00f4ng \u0111\u00fang c\u00e1ch. C\u00f3 th\u1ec3 \u0111\u1ec3 nguy\u00ean t\u00ecnh tr\u1ea1ng m\u00f2n b\u00ecnh th\u01b0\u1eddng tr\u00ean v\u00e0nh b\u00e1nh xe, nh\u01b0ng n\u1ebfu \u0111\u1ed9 m\u00f2n v\u01b0\u1ee3t qu\u00e1 40% \u0111\u1ed9 d\u00e0y thi\u1ebft k\u1ebf c\u1ee7a v\u00e0nh, th\u00ec n\u00ean thay b\u00e1nh xe.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-guide-wheel-solutions\">(2) Gi\u1ea3i ph\u00e1p b\u00e1nh xe d\u1eabn h\u01b0\u1edbng<\/h4>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng do l\u1eafp \u0111\u1eb7t ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh b\u00e1nh d\u1eabn h\u01b0\u1edbng kh\u00f4ng \u0111\u00fang c\u00e1ch, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh khe h\u1edf gi\u1eefa b\u00e1nh d\u1eabn h\u01b0\u1edbng v\u00e0 ray \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00f3 khe h\u1edf trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u ho\u1eb7c ma s\u00e1t ho\u1eb7c va ch\u1ea1m \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u. Ki\u1ec3m tra xem kh\u1ed1i \u0111\u1ecbnh v\u1ecb c\u00f3 ph\u00f9 h\u1ee3p kh\u00f4ng, n\u1ebfu kh\u00f4ng, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i. Tham kh\u1ea3o GB\/T 10183.1-2018 \u0111\u1ec3 ki\u1ec3m tra dung sai song song tr\u1ee5c c\u1ee7a b\u00e1nh d\u1eabn h\u01b0\u1edbng ngang theo c\u1ea3 h\u01b0\u1edbng vu\u00f4ng g\u00f3c v\u00e0 d\u1ecdc theo ray c\u1ea7n c\u1ea9u, c\u0169ng nh\u01b0 dung sai chi\u1ec1u cao. \u0110i\u1ec1u ch\u1ec9nh b\u1ea5t k\u1ef3 khu v\u1ef1c n\u00e0o c\u00f3 gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf v\u01b0\u1ee3t qu\u00e1 dung sai.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"3-drive-mechanism-solutions\">(3) Gi\u1ea3i ph\u00e1p c\u01a1 ch\u1ebf truy\u1ec1n \u0111\u1ed9ng<\/h4>\n\n\n\n<ul>\n<li>\u0110\u1ed1i v\u1edbi ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng t\u1eeb b\u1ed9 gi\u1ea3m t\u1ed1c \u201cba trong m\u1ed9t\u201d, h\u00e3y ki\u1ec3m tra v\u1ecb tr\u00ed ph\u00e1t ra ti\u1ebfng \u1ed3n. N\u1ebfu b\u00e1nh r\u0103ng b\u1ecb m\u00f2n ho\u1eb7c r\u0103ng b\u1ecb g\u00e3y, c\u1ea7n thay b\u00e1nh r\u0103ng.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi nh\u1eefng tr\u01b0\u1eddng h\u1ee3p hai ho\u1eb7c nhi\u1ec1u phanh kh\u00f4ng \u0111\u1ed3ng b\u1ed9, h\u00e3y ki\u1ec3m tra xem phanh c\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng kh\u00f4ng. S\u1eed d\u1ee5ng th\u01b0\u1edbc \u0111o \u0111\u1ed9 h\u1edf \u0111\u1ec3 \u0111o khe h\u1edf phanh v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1eaft bu\u1ed9c; n\u1ebfu kh\u00f4ng, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh khe h\u1edf cho ph\u00f9 h\u1ee3p.<\/li>\n\n\n\n<li>N\u1ebfu phanh ho\u1eb7c m\u00e1 phanh b\u1ecb h\u1ecfng, c\u1ea7n ph\u1ea3i thay th\u1ebf v\u00e0 ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"4-crane-main-girder-solutions\">(4) Gi\u1ea3i ph\u00e1p d\u1ea7m ch\u00ednh c\u1ee7a c\u1ea7n c\u1ea9u<\/h4>\n\n\n\n<p>D\u1ea7m ch\u00ednh c\u1ee7a c\u1ea7n tr\u1ee5c th\u01b0\u1eddng kh\u00f4ng d\u1ec5 b\u1ecb bi\u1ebfn d\u1ea1ng. N\u1ebfu x\u1ea3y ra bi\u1ebfn d\u1ea1ng, c\u1ea7n ph\u1ea3i x\u00e1c minh xem thi\u1ebft k\u1ebf c\u00f3 ph\u00f9 h\u1ee3p kh\u00f4ng, qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf kh\u00f4ng, quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u00f3 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n x\u00e2y d\u1ef1ng kh\u00f4ng v\u00e0 vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ea7n tr\u1ee5c c\u00f3 \u0111\u1ea1t ti\u00eau chu\u1ea9n kh\u00f4ng. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 d\u1ea7m ch\u00ednh b\u1ecb u\u1ed1n ngang qu\u00e1 m\u1ee9c ho\u1eb7c \u0111\u1ed9 cong \u0111\u00e1ng k\u1ec3, c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1eeda ch\u1eefa nh\u01b0 gia c\u1ed1 m\u1ed1i h\u00e0n ho\u1eb7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t b\u1eb1ng ng\u1ecdn l\u1eeda th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Vi\u1ec7c s\u1eeda ch\u1eefa th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi s\u1ef1 tham gia c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c c\u00e1c nh\u00f3m chuy\u00ean nghi\u1ec7p. Vi\u1ec7c ki\u1ec3m tra d\u1ea7m ch\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo tham chi\u1ebfu \u0111\u1ebfn GB\/T 14405-2011.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-crane-rail-solutions\">2. Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1eddng ray c\u1ea7n c\u1ea9u<\/h3>\n\n\n\n<p>Vi\u1ec7c x\u1eed l\u00fd \u0111\u01b0\u1eddng ray c\u1ea7n c\u1ea9u n\u00ean t\u1eadp trung v\u00e0o vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ngay t\u1eeb \u0111\u1ea7u, ng\u0103n ng\u1eeba h\u01b0 h\u1ecfng cho thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<ul>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u0111ai \u1ed1c k\u1eb9p ray kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t ho\u1eb7c l\u1ecfng, c\u1ea7n k\u1ebft h\u1ee3p ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea3o tr\u00ec theo l\u1ecbch tr\u00ecnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111ai \u1ed1c \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t \u0111\u00fang c\u00e1ch.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi kho\u1ea3ng c\u00e1ch qu\u00e1 l\u1edbn gi\u1eefa ray v\u00e0 d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng, ho\u1eb7c n\u1ebfu chi\u1ec1u d\u00e0i c\u1ee7a kho\u1ea3ng c\u00e1ch qu\u00e1 d\u00e0i, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng b\u1eb1ng th\u00e9p \u0111\u1ec3 \u0111\u01b0a \u0111\u00e1y ray g\u1ea7n h\u01a1n v\u1edbi \u0111\u1ec9nh c\u1ee7a d\u1ea7m. N\u1ebfu kho\u1ea3ng c\u00e1ch v\u01b0\u1ee3t qu\u00e1 200 mm, h\u00e3y s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m shim c\u00f3 chi\u1ec1u d\u00e0i \u00edt nh\u1ea5t l\u00e0 100 mm v\u00e0 chi\u1ec1u r\u1ed9ng r\u1ed9ng h\u01a1n \u0111\u1ebf ray 10-20 mm. Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng qu\u00e1 ba t\u1ea5m shim cho m\u1ed7i b\u1ed9 v\u00e0 ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c h\u00e0n ch\u1eafc ch\u1eafn v\u00e0o d\u1ea7m th\u00e9p. \u0110\u1ed1i v\u1edbi d\u1ea7m b\u00ea t\u00f4ng, h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ed1i v\u1edbi d\u1ea7m th\u00e9p. Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m shim \u0111\u00e0n h\u1ed3i do th\u01b0\u1eddng xuy\u00ean b\u1ecb m\u00f2n theo th\u1eddi gian.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi s\u1ef1 l\u1ec7ch tr\u1ee5c theo chi\u1ec1u d\u1ecdc ho\u1eb7c chi\u1ec1u ngang qu\u00e1 m\u1ee9c t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i ray t\u1ea5m ch\u1eafn, h\u00e3y ki\u1ec3m tra xem t\u1ea5m ch\u1eafn c\u00f3 b\u1ecb m\u00f2n kh\u00f4ng. N\u1ebfu ph\u00e1t hi\u1ec7n th\u1ea5y s\u1ef1 m\u00f2n qu\u00e1 m\u1ee9c, h\u00e3y thay th\u1ebf t\u1ea5m ch\u1eafn. Sau \u0111\u00f3, \u0111i\u1ec1u ch\u1ec9nh c\u00e1c m\u1ed1i n\u1ed1i ray v\u00e0 ray \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 l\u1ec7ch tr\u1ee5c theo chi\u1ec1u d\u1ecdc v\u00e0 chi\u1ec1u ngang kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1 mm v\u00e0 kho\u1ea3ng h\u1edf t\u1ea1i c\u00e1c m\u1ed1i n\u1ed1i ray kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 2 mm. \u1ede nh\u1eefng v\u00f9ng c\u00f3 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 t\u1eeb 20\u00b0C tr\u1edf l\u00ean ho\u1eb7c trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0o m\u00f9a \u0111\u00f4ng, h\u00e3y c\u00e2n nh\u1eafc kho\u1ea3ng h\u1edf m\u1ed1i n\u1ed1i t\u1eeb 4-6 mm. S\u1eed d\u1ee5ng th\u01b0\u1edbc th\u00e9p v\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 d\u00e0y \u0111\u1ec3 \u0111o.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ed1i h\u00e0n ray kh\u00f4ng \u0111\u1ee7 nh\u1eb5n, h\u00e3y s\u1eed d\u1ee5ng \u0111\u00e1 m\u00e0i \u0111\u1ec3 l\u00e0m nh\u1eb5n ph\u1ea7n tr\u00ean v\u00e0 hai b\u00ean c\u1ee7a m\u1ed1i h\u00e0n \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n m\u1ed1i h\u00e0n ray b\u1eaft bu\u1ed9c. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 m\u00e0 m\u1ed1i h\u00e0n ray b\u1ecb n\u1ee9t ho\u1eb7c l\u1ecfng, nh\u00e2n vi\u00ean h\u00e0n chuy\u00ean nghi\u1ec7p v\u1edbi c\u00e1c v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh c\u1ee5 th\u1ec3 s\u1ebd x\u1eed l\u00fd vi\u1ec7c s\u1eeda ch\u1eefa. Do t\u00ednh ph\u1ee9c t\u1ea1p c\u1ee7a h\u1ec7 th\u1ed1ng ray c\u1ea7n tr\u1ee5c, v\u1eabn c\u00f3 nguy c\u01a1 n\u1ee9t ho\u1eb7c l\u1ecfng sau khi h\u00e0n. Do \u0111\u00f3, c\u00e1c k\u1ebft n\u1ed1i t\u1ea5m n\u1ed1i \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb thay v\u00ec h\u00e0n cho c\u00e1c m\u1ed1i n\u1ed1i ray c\u1ea7n tr\u1ee5c c\u1ea7u.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng do thi\u1ebfu k\u1eb9p ray, h\u00e3y ki\u1ec3m tra xem c\u00f3 b\u1ed9 ph\u1eadn n\u00e0o b\u1ecb thi\u1ebfu kh\u00f4ng v\u00e0 c\u1ed1 \u0111\u1ecbnh ch\u00fang l\u1ea1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea7n c\u1ea9u ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi \u0111\u1ed9 cong theo chi\u1ec1u ngang ho\u1eb7c chi\u1ec1u d\u1ecdc qu\u00e1 m\u1ee9c d\u1ecdc theo chi\u1ec1u d\u00e0i c\u1ee7a thanh ray, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh thanh ray sao cho \u0111\u1ed9 l\u1ec7ch theo chi\u1ec1u ngang tr\u00ean chi\u1ec1u d\u00e0i 2 m\u00e9t kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 1 mm v\u00e0 \u0111\u1ed9 l\u1ec7ch theo chi\u1ec1u d\u1ecdc kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 2 mm. C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p d\u00e2y th\u00e9p.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi \u0111\u1ed9 l\u1ec7ch nh\u1ecbp ray c\u1ea7n c\u1ea9u v\u01b0\u1ee3t qu\u00e1 dung sai cho ph\u00e9p, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh ray \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 l\u1ec7ch nh\u1ecbp ray cho ph\u00e9p t\u1ed1i \u0111a \u0394S nh\u01b0 sau:\n<ul>\n<li>Khi S\u226416 m, \u25b3S =\u00b15 mm<\/li>\n\n\n\n<li>Khi S\uff1e16 m, \u25b3S =\u00b1[5+0.25(S-16)]mm<\/li>\n\n\n\n<li>\u0394S: \u0111\u1ed9 l\u1ec7ch nh\u1ecbp ray c\u1ea7n c\u1ea9u<\/li>\n\n\n\n<li>S: nh\u1ecbp c\u1ea7u tr\u1ee5c<\/li>\n\n\n\n<li>\u0110\u1ed9 l\u1ec7ch t\u1ed1i \u0111a kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 \u00b115 mm. \u0110\u1ec3 bi\u1ebft c\u00e1ch th\u1ef1c hi\u1ec7n c\u1ee5 th\u1ec3, h\u00e3y tham kh\u1ea3o GB\/T 10183.1-2018, Kho\u1ea3ng c\u00e1ch ray c\u1ea7n c\u1ea9u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng th\u01b0\u1edbc th\u00e9p v\u00e0 thang l\u00f2 xo.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi s\u1ef1 ch\u00eanh l\u1ec7ch chi\u1ec1u cao qu\u00e1 m\u1ee9c gi\u1eefa \u0111\u1ec9nh c\u1ee7a hai thanh ray c\u1ea7n c\u1ea9u song song, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng v\u00e0 thanh ray \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u00eanh l\u1ec7ch chi\u1ec1u cao kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10 mm. S\u1eed d\u1ee5ng th\u01b0\u1edbc th\u1ee7y \u0111\u1ec3 \u0111o nhi\u1ec1u l\u1ea7n.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i ray song song kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp so le theo chi\u1ec1u d\u1ecdc ho\u1eb7c c\u00f3 kho\u1ea3ng c\u00e1ch so le kh\u00f4ng ch\u00ednh x\u00e1c, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh ray \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch kh\u00f4ng nh\u1ecf h\u01a1n 600 mm v\u00e0 kh\u00f4ng kh\u1edbp v\u1edbi chi\u1ec1u d\u00e0i c\u01a1 s\u1edf c\u1ee7a b\u00e1nh tr\u01b0\u1edbc v\u00e0 b\u00e1nh sau c\u1ee7a c\u1ea7n c\u1ea9u.<\/li>\n\n\n\n<li>N\u1ebfu \u0111\u1ed9 m\u00f2n \u1edf hai b\u00ean ray v\u01b0\u1ee3t qu\u00e1 15% so v\u1edbi chi\u1ec1u r\u1ed9ng ray ban \u0111\u1ea7u th\u00ec ph\u1ea3i thay th\u1ebf ray.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"3-runway-girder-solutions\">3. Gi\u1ea3i ph\u00e1p d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng<\/h3>\n\n\n\n<p>Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng ray. Tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng ray, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 l\u1ec7ch l\u1eafp \u0111\u1eb7t c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u. Ph\u1ea3i ti\u1ebfn h\u00e0nh ki\u1ec3m tra chi ti\u1ebft d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1eddng ray v\u00e0 ph\u1ea3i \u0111\u00e1nh d\u1ea5u \u0111\u01b0\u1eddng c\u01a1 s\u1edf c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra. C\u00f3 th\u1ec3 \u0111o b\u1eb1ng m\u00e1y kinh v\u0129, trong khi c\u00f3 th\u1ec3 \u0111o m\u1ee9c b\u1eb1ng d\u1ee5ng c\u1ee5 c\u00e2n b\u1eb1ng.<\/p>\n\n\n\n<p>Vi\u1ec7c ch\u1ea5p nh\u1eadn d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng th\u00e9p ph\u1ea3i tu\u00e2n theo GB 50205-2017, trong khi vi\u1ec7c ch\u1ea5p nh\u1eadn d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u1ea3i tu\u00e2n theo GB 50204-2015. Hi\u1ec7n nay, ch\u01b0a c\u00f3 ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 n\u00e0o cho d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng h\u1ed7n h\u1ee3p th\u00e9p-b\u00ea t\u00f4ng.<\/p>\n\n\n\n<ul>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 \u0111\u1ed9 v\u00f5ng xu\u1ed1ng qu\u00e1 m\u1ee9c ho\u1eb7c \u0111\u1ed9 cong ngang c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng b\u1eb1ng th\u00e9p, c\u1ea7n ph\u1ea3i x\u00e1c minh xem thi\u1ebft k\u1ebf c\u00f3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n b\u1eaft bu\u1ed9c hay kh\u00f4ng v\u00e0 li\u1ec7u vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u00f3 \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n hay kh\u00f4ng. \u0110\u1ec3 s\u1eeda ch\u1eefa, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gia nhi\u1ec7t \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh d\u1ea7m.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i l\u1ecfng l\u1ebbo ho\u1eb7c bu l\u00f4ng l\u1ecfng l\u1ebbo v\u00e0 m\u1ea5t t\u00edch trong d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng, c\u1ea7n ph\u1ea3i s\u1eeda ch\u1eefa m\u1ed1i h\u00e0n v\u00e0 si\u1ebft ch\u1eb7t bu l\u00f4ng. N\u1ebfu c\u00f3 s\u1ef1 thay \u0111\u1ed5i chi\u1ec1u cao qu\u00e1 m\u1ee9c gi\u1eefa c\u00e1c d\u1ea7m li\u1ec1n k\u1ec1, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh chi\u1ec1u cao c\u1ee7a c\u00e1c d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng l\u00e2n c\u1eadn \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 l\u1ec7ch chi\u1ec1u cao.<\/li>\n\n\n\n<li>N\u1ebfu l\u1edbp v\u1eefa b\u00ea t\u00f4ng ho\u1eb7c l\u1edbp san l\u1ea5p gi\u1eefa d\u1ea7m b\u00ea t\u00f4ng c\u1ea7n tr\u1ee5c v\u00e0 ray b\u1ecb h\u1ecfng, h\u00e3y ki\u1ec3m tra \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp \u0111\u00fac th\u1ee9 c\u1ea5p. N\u1ebfu \u0111\u1ed9 d\u00e0y kh\u00f4ng \u0111\u1ee7, n\u00ean s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c. N\u1ebfu \u0111\u1ed9 d\u00e0y \u0111\u1ee7, n\u00ean l\u1eafp khu\u00f4n m\u1edbi \u0111\u1ec3 \u0111\u1ed5 xi m\u0103ng v\u00e0 sau khi xi m\u0103ng \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng \u0111\u00fang c\u00e1ch, c\u1ea7n tr\u1ee5c c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-foundation-settlement-solutions\">4. Gi\u1ea3i ph\u00e1p l\u00fan n\u1ec1n m\u00f3ng<\/h3>\n\n\n\n<p>L\u00fan m\u00f3ng giai \u0111o\u1ea1n \u0111\u1ea7u l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng kh\u00e1 ph\u1ed5 bi\u1ebfn. Khi c\u00f4ng ngh\u1ec7 m\u00f3ng ti\u1ebfp t\u1ee5c ti\u1ebfn b\u1ed9, c\u00e1c v\u1ea5n \u0111\u1ec1 l\u00fan tr\u00ean di\u1ec7n r\u1ed9ng \u0111\u00e3 tr\u1edf n\u00ean \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n, m\u1eb7c d\u00f9 l\u00fan c\u1ee5c b\u1ed9 v\u1eabn th\u1ec9nh tho\u1ea3ng x\u1ea3y ra. L\u00fan c\u1ee5c b\u1ed9 c\u00f3 xu h\u01b0\u1edbng x\u1ea3y ra \u1edf quy m\u00f4 nh\u1ecf nh\u01b0ng v\u1eabn c\u1ea7n ph\u00f2ng ng\u1eeba v\u00e0 x\u1eed l\u00fd.<\/p>\n\n\n\n<p>(1) Ph\u00f2ng ng\u1eeba: C\u00f3 th\u1ec3 theo d\u00f5i \u0111\u1ed9 l\u00fan b\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp c\u00e1c \u0111i\u1ec3m theo d\u00f5i \u0111\u1ed9 l\u00fan. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p san l\u1ea5p ch\u00ednh x\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng \u0111\u1ed9 l\u00fan.<\/p>\n\n\n\n<p>(2) X\u1eed l\u00fd: \u0110\u1ed1i v\u1edbi t\u00ecnh tr\u1ea1ng l\u00fan c\u1ee5c b\u1ed9 c\u1ee7a d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng do l\u00fan n\u1ec1n, c\u1ea7n ti\u1ebfn h\u00e0nh s\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u00ecnh tr\u1ea1ng l\u00fan v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u. N\u1ebfu t\u00ecnh tr\u1ea1ng l\u00fan c\u1ee5c b\u1ed9 nh\u1ecf, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1ea5m \u0111\u1ec7m gi\u1eefa d\u1ea7m \u0111\u01b0\u1eddng b\u0103ng v\u00e0 ray, nh\u01b0ng t\u1ea5m \u0111\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn \u0111\u1ec3 tr\u00e1nh b\u1ecb t\u00e1ch ra trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-electrical-fault-solutions\">5. Gi\u1ea3i ph\u00e1p l\u1ed7i \u0111i\u1ec7n<\/h3>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c tr\u00ean cao do k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo ho\u1eb7c l\u1ed7i trong \u0111\u1ed9ng c\u01a1 c\u1ea7n tr\u1ee5c ho\u1eb7c h\u1ec7 th\u1ed1ng d\u00e2y phanh, c\u1ea7n si\u1ebft ch\u1eb7t c\u00e1c \u0111\u1ea7u n\u1ed1i ngay l\u1eadp t\u1ee9c v\u00e0 l\u00ean l\u1ecbch ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean. N\u1ebfu m\u00e1 phanh b\u1ecb h\u1ecfng, c\u1ea7n thay th\u1ebf. N\u1ebfu m\u00e1 phanh b\u1ecb m\u00f2n, tr\u01b0\u1edbc ti\u00ean h\u00e3y ki\u1ec3m tra h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, sau \u0111\u00f3 quan s\u00e1t m\u00e1 phanh. N\u1ebfu x\u1ea3y ra s\u1ef1 c\u1ed1 kh\u00f4ng li\u00ean t\u1ee5c, h\u00e3y thay th\u1ebf m\u00e1 phanh v\u00e0 n\u1ebfu c\u00f3 \u0111\u1ee7 ph\u1ee5 t\u00f9ng thay th\u1ebf, h\u00e3y ti\u1ebfn h\u00e0nh thay th\u1ebf \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Vi\u1ec7c x\u1eed l\u00fd ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c tr\u00ean cao l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea7n tr\u1ee5c di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 c\u01a1 h\u1ecdc kh\u00e1c. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn v\u00e0 tri\u1ec3n khai c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian ch\u1ebft v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa t\u1ed1n k\u00e9m.<\/p>\n\n\n\n<p>Th\u1ea9m quy\u1ec1n gi\u1ea3i quy\u1ebft: <a href=\"https:\/\/kns.cnki.net\/kcms2\/article\/abstract?v=SY7jeTtuViJwsgF4VBafKQNIuxEg5xnoe-I_SZkXPyqPzOhn1Ij1qXL86_-VJCvb_O_qSsEJPoK7sBNycVHgcZvNr4A9csFbP3OSq7hiwnLmpIqKFZpEofPjT_1cPiSKJ7qSVLb-8xN1Xo15aynq2-mEYh6Q6f47Bls33oS1566KuYoq5Q0A5YTL3JbRcSr6&amp;uniplatform=NZKPT&amp;language=CHS\" target=\"_blank\" rel=\"noopener\">Ph\u00e2n t\u00edch v\u00e0 gi\u1ea3i ph\u00e1p cho ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c<\/a><\/p>","protected":false},"excerpt":{"rendered":"Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p trong v\u1eadn h\u00e0nh c\u1ea7u tr\u1ee5c. B\u00e0i vi\u1ebft n\u00e0y ph\u00e2n t\u00edch nguy\u00ean nh\u00e2n g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong v\u1eadn h\u00e0nh c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c, li\u1ec7t k\u00ea n\u0103m y\u1ebfu t\u1ed1 ti\u1ec1m \u1ea9n: c\u01a1 c\u1ea5u di chuy\u1ec3n c\u1ee7a c\u1ea7n tr\u1ee5c, ray c\u1ea7n tr\u1ee5c, d\u1ea7m \u0111\u01b0\u1eddng ch\u1ea1y c\u1ea7n tr\u1ee5c, \u0111\u1ed9 l\u00fan c\u1ee7a m\u00f3ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. B\u00e0i vi\u1ebft c\u0169ng \u0111\u01b0a ra m\u1ed9t s\u1ed1 gi\u1ea3i ph\u00e1p cho c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ebfng \u1ed3n \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea, hy v\u1ecdng s\u1ebd [\u2026]","protected":false},"featured_media":9789,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[249,247,248],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/9765"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":12,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/9765\/revisions"}],"predecessor-version":[{"id":10212,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/9765\/revisions\/10212"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/media\/9789"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/media?parent=9765"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/posts_category?post=9765"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=9765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}