{"id":8518,"date":"2025-06-25T08:55:52","date_gmt":"2025-06-25T08:55:52","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=8518"},"modified":"2025-06-25T08:55:55","modified_gmt":"2025-06-25T08:55:55","slug":"reliable-crane-wheel-load-calculation","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/vi\/posts\/reliable-crane-wheel-load-calculation\/","title":{"rendered":"T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n c\u1ea9u th\u00f4ng minh v\u00e0 \u0111\u00e1ng tin c\u1eady: X\u00e2y d\u1ef1ng s\u1ef1 an to\u00e0n, t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 gi\u00e0nh \u0111\u01b0\u1ee3c s\u1ef1 an t\u00e2m"},"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=\"#calculation-of-crane-wheel-load-calculation\">T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n c\u1ea9u\u00a0<\/a><\/li><li><a href=\"#crane-wheel-selection-and-verification\">L\u1ef1a ch\u1ecdn v\u00e0 ki\u1ec3m tra b\u00e1nh xe c\u1ea7n c\u1ea9u\u00a0<\/a><ul><li><a href=\"#1-determination-of-fatigue-calculation-load-of-wheels\">1. X\u00e1c \u0111\u1ecbnh t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n m\u1ecfi c\u1ee7a b\u00e1nh xe:\u00a0<\/a><\/li><li><a href=\"#2-wheel-tread-contact-strength-calculation\">2. T\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n ti\u1ebfp x\u00fac c\u1ee7a m\u1eb7t b\u00e1nh xe:<\/a><ul><li><a href=\"#2-1-allowable-wheel-pressure-for-line-contact\">2.1 \u00c1p su\u1ea5t b\u00e1nh xe cho ph\u00e9p khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u01b0\u1eddng d\u00e2y:<\/a><\/li><li><a href=\"#2-2-allowable-wheel-pressure-for-point-contact\">2.2 \u00c1p su\u1ea5t b\u00e1nh xe cho ph\u00e9p khi ti\u1ebfp x\u00fac \u0111i\u1ec3m:<\/a><\/li><\/ul><\/li><\/ul><\/li><li><a href=\"#hidden-dangers-of-crane-wheels-not-meeting-the-standard\">Nh\u1eefng nguy hi\u1ec3m ti\u1ec1m \u1ea9n c\u1ee7a b\u00e1nh xe c\u1ea7n c\u1ea9u kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n\u00a0<\/a><\/li><li><a href=\"#preventive-measures\">C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba:<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n tr\u1ee5c l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn c\u1ea7n tr\u1ee5c. T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u1ea7n tr\u1ee5c m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 chi ph\u00ed b\u1ea3o d\u01b0\u1ee1ng. Trong th\u1ef1c t\u1ebf, t\u1ea3i tr\u1ecdng b\u00e1nh xe \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c hi\u1ec7u \u1ee9ng k\u1ebft h\u1ee3p c\u1ee7a tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n c\u1ee7a c\u1ea7n tr\u1ee5c, tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a h\u00e0ng h\u00f3a \u0111\u01b0\u1ee3c n\u00e2ng, t\u1ea3i tr\u1ecdng \u0111\u1ed9ng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng. Do \u0111\u00f3, \u0111\u1ec3 th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c, c\u1ea7n ph\u1ea3i t\u00ednh \u0111\u1ebfn h\u00ecnh d\u1ea1ng k\u1ebft c\u1ea5u c\u1ee7a c\u1ea7n tr\u1ee5c, \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c v\u00e0 ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u00e1nh xe c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u00e1c nhau.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"715\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Crane-Wheel-Load-Calculation.jpg\" alt=\"\" class=\"wp-image-8530\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"calculation-of-crane-wheel-load-calculation\">T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n c\u1ea9u&nbsp;<\/h2>\n\n\n\n<p>T\u1ea3i tr\u1ecdng do b\u00e1nh xe c\u1ee7a c\u1ea7n tr\u1ee5c ch\u1ecbu kh\u00f4ng li\u00ean quan g\u00ec \u0111\u1ebfn t\u1ea3i tr\u1ecdng c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng c\u1ee7a c\u01a1 c\u1ea5u ch\u1ea1y, v\u00e0 c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c tr\u1ef1c ti\u1ebfp theo c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00e2n b\u1eb1ng c\u1ee7a t\u1ea3i tr\u1ecdng b\u00ean ngo\u00e0i c\u1ee7a c\u1ea7n tr\u1ee5c. T\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ee7a c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao bao g\u1ed3m t\u1ea3i tr\u1ecdng b\u00e1nh xe l\u1edbn nh\u1ea5t v\u00e0 t\u1ea3i tr\u1ecdng b\u00e1nh xe nh\u1ecf nh\u1ea5t. T\u1ea3i tr\u1ecdng b\u00e1nh xe l\u1edbn nh\u1ea5t c\u1ee7a c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao l\u00e0 t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ee7a b\u00e1nh xe l\u1edbn khi xe \u0111\u1ea9y \u0111\u1ea7y t\u1ea3i g\u1ea7n \u0111\u1ebfn v\u1ecb tr\u00ed gi\u1edbi h\u1ea1n c\u1ee7a d\u1ea7m cu\u1ed1i v\u00e0 t\u1ea3i tr\u1ecdng b\u00e1nh xe nh\u1ecf nh\u1ea5t l\u00e0 t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ee7a b\u00e1nh xe l\u1edbn c\u1ee7a b\u00e1nh xe l\u1edbn c\u1ee7a m\u1ed9t \u0111\u1ea7u nh\u1ecbp khi xe \u0111\u1ea9y \u0111\u01b0\u1ee3c d\u1ee1 h\u00e0ng \u1edf gi\u1eefa nh\u1ecbp.<\/p>\n\n\n\n<p>T\u1ea3i tr\u1ecdng b\u00e1nh xe t\u1ed1i \u0111a (t\u1ea3i tr\u1ecdng \u0111\u1ea7y \u0111\u1ee7) = (G-G1)\/n + (Q+G1)*(L-L1)\/n*L&nbsp;<\/p>\n\n\n\n<p>T\u1ea3i tr\u1ecdng b\u00e1nh xe t\u1ed1i thi\u1ec3u (kh\u00f4ng t\u1ea3i) = (G-G1)\/n + G1*L1\/n*L&nbsp;<\/p>\n\n\n\n<ul>\n<li>G = t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ea7n c\u1ea9u (bao g\u1ed3m c\u1ea3 xe \u0111\u1ea9y) (T)&nbsp;<\/li>\n\n\n\n<li>G1 = tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a xe \u0111\u1ea9y (T)&nbsp;<\/li>\n\n\n\n<li>Q = s\u1ee9c n\u00e2ng \u0111\u1ecbnh m\u1ee9c (T)&nbsp;<\/li>\n\n\n\n<li>L = kho\u1ea3ng c\u00e1ch t\u00ednh b\u1eb1ng m&nbsp;<\/li>\n\n\n\n<li>n = s\u1ed1 b\u00e1nh xe tr\u00ean c\u1ea7n c\u1ea9u&nbsp;<\/li>\n\n\n\n<li>L1 = kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u (t\u00ednh b\u1eb1ng T) t\u1eeb \u0111\u01b0\u1eddng t\u00e2m m\u00f3c \u0111\u1ebfn \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a Kho\u1ea3ng c\u00e1ch t\u1ed1i thi\u1ec3u t\u1eeb \u0111\u01b0\u1eddng t\u00e2m m\u00f3c \u0111\u1ebfn \u0111\u01b0\u1eddng t\u00e2m d\u1ea7m cu\u1ed1i (m)&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"crane-wheel-selection-and-verification\">L\u1ef1a ch\u1ecdn v\u00e0 ki\u1ec3m tra b\u00e1nh xe c\u1ea7n c\u1ea9u&nbsp;<\/h2>\n\n\n\n<p>C\u00e1ch ch\u1ecdn b\u00e1nh xe theo t\u1ea3i tr\u1ecdng c\u1ea7n c\u1ea9u v\u00e0 c\u00e1ch ki\u1ec3m tra xem b\u00e1nh xe c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng hay kh\u00f4ng&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-determination-of-fatigue-calculation-load-of-wheels\">1. X\u00e1c \u0111\u1ecbnh t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n m\u1ecfi c\u1ee7a b\u00e1nh xe:&nbsp;<\/h3>\n\n\n\n<p>T\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n m\u1ecfi PC c\u1ee7a b\u00e1nh xe c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng \u00e1p su\u1ea5t b\u00e1nh xe l\u1edbn nh\u1ea5t v\u00e0 nh\u1ecf nh\u1ea5t c\u1ee7a c\u1ea7n tr\u1ee5c, v\u00e0 c\u00f4ng th\u1ee9c t\u00ednh PC nh\u01b0 sau:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"62\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/1Determination-of-fatigue-calculation-load-of-wheels.png\" alt=\"\" class=\"wp-image-8519\"\/><\/figure>\n\n\n\n<ul>\n<li>PC \u2014 t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n m\u1ecfi b\u00e1nh xe (N);&nbsp;<\/li>\n\n\n\n<li>P<sub>t\u1ed1i \u0111a<\/sub> \u2014 \u00e1p su\u1ea5t b\u00e1nh xe l\u1edbn nh\u1ea5t (N) khi c\u1ea7n tr\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng;&nbsp;<\/li>\n\n\n\n<li>P<sub>ph\u00fat<\/sub> \u2014 \u00e1p su\u1ea5t b\u00e1nh xe t\u1ed1i thi\u1ec3u (N) khi c\u1ea7n tr\u1ee5c ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng;&nbsp;<\/li>\n\n\n\n<li>Trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh P<sub>t\u1ed1i \u0111a<\/sub> v\u00e0 P<sub>ph\u00fat<\/sub>, h\u1ec7 s\u1ed1 t\u1ea3i tr\u1ecdng \u0111\u1ed9ng v\u00e0 h\u1ec7 s\u1ed1 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u01a1 c\u1ea5u n\u00e2ng h\u1ea1 v\u00e0 v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c l\u1ea5y b\u1eb1ng 1.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao, khi c\u1ea7n tr\u1ee5c xe \u0111\u1ea9y \u0111ang ch\u1ea1y v\u1edbi t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c \u0111\u1ebfn v\u1ecb tr\u00ed gi\u1edbi h\u1ea1n \u1edf m\u1ed9t b\u00ean, \u00e1p su\u1ea5t b\u00e1nh xe l\u1edbn g\u1ea7n ph\u00eda xe \u0111\u1ea9y l\u00e0 P<sub>t\u1ed1i \u0111a<\/sub>; \u00e1p su\u1ea5t b\u00e1nh xe l\u1edbn \u1edf ph\u00eda kh\u00f4ng t\u1ea3i xa ph\u00eda xe \u0111\u1ea9y l\u00e0 P<sub>ph\u00fat<\/sub>. \u0110\u1ed1i v\u1edbi c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao, khi t\u1ea3i tr\u1ecdng \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7n tr\u1ee5c xe \u0111\u1ea9y ch\u1ea1y \u0111\u1ebfn v\u1ecb tr\u00ed gi\u1edbi h\u1ea1n c\u1ee7a m\u1ed9t b\u00ean, \u00e1p su\u1ea5t c\u1ee7a b\u00e1nh xe g\u1ea7n ph\u00eda xe \u0111\u1ea9y l\u00e0 P<sub>t\u1ed1i \u0111a<\/sub>; \u00e1p su\u1ea5t c\u1ee7a b\u00e1nh xe \u0111\u01b0\u1ee3c d\u1ee1 ra kh\u1ecfi m\u1eb7t b\u00ean c\u1ee7a xe \u0111\u1ea9y l\u00e0 P<sub>ph\u00fat<\/sub>. \u0111\u1ed1i v\u1edbi c\u1ea7n tr\u1ee5c xoay, \u00e1p su\u1ea5t c\u1ee7a b\u00e1nh xe d\u01b0\u1edbi c\u1ea7n tr\u1ee5c c\u00f3 bi\u00ean \u0111\u1ed9 l\u1edbn nh\u1ea5t c\u1ee7a t\u1ea3i tr\u1ecdng \u0111\u1ea7y \u0111\u1ee7 l\u00e0 P<sub>t\u1ed1i \u0111a<\/sub>; v\u00e0 \u00e1p su\u1ea5t c\u1ee7a b\u00e1nh xe d\u01b0\u1edbi c\u1ea7n tr\u1ee5c c\u00f3 bi\u00ean \u0111\u1ed9 nh\u1ecf nh\u1ea5t c\u1ee7a kh\u00f4ng t\u1ea3i l\u00e0 P<sub>ph\u00fat<\/sub>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-wheel-tread-contact-strength-calculation\">2. T\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n ti\u1ebfp x\u00fac c\u1ee7a m\u1eb7t b\u00e1nh xe:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-1-allowable-wheel-pressure-for-line-contact\">2.1 \u00c1p su\u1ea5t b\u00e1nh xe cho ph\u00e9p khi ti\u1ebfp x\u00fac v\u1edbi \u0111\u01b0\u1eddng d\u00e2y:<\/h4>\n\n\n\n<p><strong>P<sub>c<\/sub>\u2264K<sub>1<\/sub>\u00d7\u0110\u00d7T\u00d7\u0110<sub>1<\/sub>\u00d7C<sub>2<\/sub><\/strong><\/p>\n\n\n\n<ul>\n<li>P<sub>C<\/sub> \u2014- t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n m\u1ecfi b\u00e1nh xe (N);&nbsp;<\/li>\n\n\n\n<li>K<sub>1<\/sub> \u2014\u2013 h\u1eb1ng s\u1ed1 \u1ee9ng su\u1ea5t ti\u1ebfp x\u00fac \u0111\u01b0\u1eddng cho ph\u00e9p (N\/mm2) li\u00ean quan \u0111\u1ebfn v\u1eadt li\u1ec7u, \u0111\u01b0\u1ee3c ch\u1ecdn theo B\u1ea3ng 1;&nbsp;<\/li>\n\n\n\n<li>D \u2014\u2013 \u0111\u01b0\u1eddng k\u00ednh b\u00e1nh xe (mm);&nbsp;<\/li>\n\n\n\n<li>L\u2014\u2014 chi\u1ec1u d\u00e0i ti\u1ebfp x\u00fac hi\u1ec7u d\u1ee5ng c\u1ee7a b\u00e1nh xe v\u00e0 x\u00edch;&nbsp;<\/li>\n\n\n\n<li>C<sub>1<\/sub>\u2014\u2013 h\u1ec7 s\u1ed1 t\u1ed1c \u0111\u1ed9, \u0111\u01b0\u1ee3c ch\u1ecdn theo B\u1ea3ng 2;&nbsp;<\/li>\n\n\n\n<li>C<sub>2<\/sub>\u2014\u2013 h\u1ec7 s\u1ed1 m\u1ee9c l\u00e0m vi\u1ec7c, \u0111\u01b0\u1ee3c ch\u1ecdn theo B\u1ea3ng 3;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1678\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-scaled.jpg\" alt=\"\" class=\"wp-image-8522\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-scaled.jpg 2560w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-1536x1007.jpg 1536w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-2048x1342.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n (B\u1ea3ng 1):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u03c3<sub>b<\/sub><\/th><th>K<sub>1<\/sub><\/th><th>K<sub>2<\/sub><\/th><\/tr><\/thead><tbody><tr><td>500<\/td><td>3.8<\/td><td>0.053<\/td><\/tr><tr><td>600<\/td><td>5.6<\/td><td>0.1<\/td><\/tr><tr><td>650<\/td><td>6.0<\/td><td>0.132<\/td><\/tr><tr><td>700<\/td><td>6.8<\/td><td>0.181<\/td><\/tr><tr><td>800<\/td><td>7.2<\/td><td>0.245<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n ti\u1ebfp x\u00fac c\u1ee7a m\u1eb7t l\u1ed1p xe 1<\/figcaption><\/figure>\n\n\n\n<p><em>Ghi ch\u00fa:<\/em><\/p>\n\n\n\n<p><em>1. \u03c3<\/em><em><sub>b <\/sub><\/em><em>l\u00e0 \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a v\u1eadt li\u1ec7u (N\/mm<\/em><em><sup>2<\/sup><\/em><em>);<\/em><\/p>\n\n\n\n<p><em>2. B\u00e1nh xe th\u00e9p n\u00f3i chung ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t, \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u1eb7t l\u1ed1p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb l\u00e0 HB = 300 ~ 380 v\u00e0 \u0111\u1ed9 s\u00e2u c\u1ee7a l\u1edbp t\u00f4i l\u00e0 15mm ~ 20mm. Khi x\u00e1c \u0111\u1ecbnh gi\u00e1 tr\u1ecb cho ph\u00e9p, \u03c3<\/em><em><sub>b<\/sub><\/em><em> \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n khi v\u1eadt li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t;<\/em><\/p>\n\n\n\n<p><em>3. Khi v\u1eadt li\u1ec7u b\u00e1nh xe s\u1eed d\u1ee5ng s\u1eaft d\u1ebbo; \u03c3<sub>b<\/sub>. \u2265500N\/mm<sup>2<\/sup> v\u1eadt ch\u1ea5t, K<sub>1<\/sub>, <em>K<sub>2<\/sub><\/em> gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ch\u1ecdn theo \u03c3<sub>b<\/sub>.=500N\/mm<sup>2<\/sup>.<\/em><\/p>\n\n\n\n<p>B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n (B\u1ea3ng 2):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>v\u00f2ng quay m\u1ed7i ph\u00fat&nbsp;<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><td>v\u00f2ng quay m\u1ed7i ph\u00fat<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><td>v\u00f2ng quay m\u1ed7i ph\u00fat<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><\/tr><tr><td>ph\u00fat<sup>-1<\/sup><\/td><td>ph\u00fat<sup>-1<\/sup><\/td><td>ph\u00fat<sup>-1<\/sup><\/td><\/tr><tr><td>200<\/td><td>0.66<\/td><td>50<\/td><td>0.94<\/td><td>16<\/td><td>1.09<\/td><\/tr><tr><td>160<\/td><td>0.72<\/td><td>45<\/td><td>0.96<\/td><td>14<\/td><td>1.1<\/td><\/tr><tr><td>125<\/td><td>0.77<\/td><td>40<\/td><td>0.97<\/td><td>12.5<\/td><td>1.11<\/td><\/tr><tr><td>112<\/td><td>0.79<\/td><td>35.5<\/td><td>0.99<\/td><td>11.2<\/td><td>1.12<\/td><\/tr><tr><td>100<\/td><td>0.82<\/td><td>31.5<\/td><td>1.00<\/td><td>10<\/td><td>1.13<\/td><\/tr><tr><td>90<\/td><td>0.84<\/td><td>28<\/td><td>1.02<\/td><td>8<\/td><td>1.14<\/td><\/tr><tr><td>80<\/td><td>0.87<\/td><td>25<\/td><td>1.03<\/td><td>6.3<\/td><td>1.15<\/td><\/tr><tr><td>71<\/td><td>0.89<\/td><td>22.4<\/td><td>1.04<\/td><td>5.6<\/td><td>1.16<\/td><\/tr><tr><td>63<\/td><td>0.91<\/td><td>20<\/td><td>1.06<\/td><td>5<\/td><td>1.17<\/td><\/tr><tr><td>56<\/td><td>0.92<\/td><td>18<\/td><td>1.07<\/td><td>&nbsp;<\/td><td><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n ti\u1ebfp x\u00fac c\u1ee7a m\u1eb7t l\u1ed1p xe 2<\/figcaption><\/figure>\n\n\n\n<p>B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n (B\u1ea3ng 3):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>T\u1ed5 ch\u1ee9c ho\u1ea1t \u0111\u1ed9ng C\u1ea5p \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/th><th>C<sub>2<\/sub><\/th><\/tr><\/thead><tbody><tr><td>M1~M3<\/td><td>1.25<\/td><\/tr><tr><td>M4<\/td><td>1.12<\/td><\/tr><tr><td>M5<\/td><td>1.00<\/td><\/tr><tr><td>M6<\/td><td>0.9<\/td><\/tr><tr><td>M7, M8<\/td><td>0.8<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n ti\u1ebfp x\u00fac c\u1ee7a m\u1eb7t l\u1ed1p xe 3<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-2-allowable-wheel-pressure-for-point-contact\">2.2 \u00c1p su\u1ea5t b\u00e1nh xe cho ph\u00e9p khi ti\u1ebfp x\u00fac \u0111i\u1ec3m:<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"62\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/3Allowable-wheel-pressure-for-point-contact.png\" alt=\"\" class=\"wp-image-8526\"\/><\/figure>\n\n\n\n<ul>\n<li>P<sub>C <\/sub>\u2014- t\u1ea3i tr\u1ecdng t\u00ednh to\u00e1n m\u1ecfi b\u00e1nh xe (N);&nbsp;<\/li>\n\n\n\n<li>K<sub>2 <\/sub>\u2014\u2013 h\u1eb1ng s\u1ed1 \u1ee9ng su\u1ea5t ti\u1ebfp x\u00fac \u0111i\u1ec3m cho ph\u00e9p li\u00ean quan \u0111\u1ebfn v\u1eadt li\u1ec7u (N\/mm2), \u0111\u01b0\u1ee3c ch\u1ecdn theo B\u1ea3ng 1;&nbsp;<\/li>\n\n\n\n<li>R \u2014\u2013 b\u00e1n k\u00ednh cong, l\u1ea5y b\u00e1n k\u00ednh cong c\u1ee7a b\u00e1nh xe v\u00e0 b\u00e1n k\u00ednh cong c\u1ee7a \u0111\u01b0\u1eddng ray c\u00f3 gi\u00e1 tr\u1ecb l\u1edbn h\u01a1n (mm);&nbsp;<\/li>\n\n\n\n<li>M \u2014\u2014 theo b\u1ec1 m\u1eb7t tr\u00ean c\u00f9ng c\u1ee7a \u0111\u01b0\u1eddng ray v\u00e0 b\u00e1n k\u00ednh cong c\u1ee7a b\u00e1nh xe theo t\u1ef7 l\u1ec7 (r\/R), theo B\u1ea3ng 4 \u0111\u00e3 ch\u1ecdn;&nbsp;<\/li>\n\n\n\n<li>C<sub>1 <\/sub>\u2014\u2013 H\u1ec7 s\u1ed1 t\u1ed1c \u0111\u1ed9, \u0111\u01b0\u1ee3c ch\u1ecdn theo B\u1ea3ng 3;&nbsp;<\/li>\n\n\n\n<li>C<sub>2 <\/sub>\u2014\u2013 h\u1ec7 s\u1ed1 m\u1ee9c l\u00e0m vi\u1ec7c, \u0111\u01b0\u1ee3c ch\u1ecdn theo B\u1ea3ng 4;<\/li>\n<\/ul>\n\n\n\n<p>B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n (B\u1ea3ng 4):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>r\/R<\/td><td>1.0<\/td><td>0.9<\/td><td>0.8<\/td><td>0.7<\/td><td>0.6<\/td><td>0.5<\/td><td>0.4<\/td><td>0.3<\/td><\/tr><tr><td>m<\/td><td>0.388<\/td><td>0.400<\/td><td>0.420<\/td><td>0.440<\/td><td>0.468<\/td><td>0.490<\/td><td>0.536<\/td><td>0.600<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng h\u1ec7 s\u1ed1 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1ec1n ti\u1ebfp x\u00fac c\u1ee7a m\u1eb7t l\u1ed1p xe 4<\/figcaption><\/figure>\n\n\n\n<p><em>Ghi ch\u00fa:<\/em><\/p>\n\n\n\n<p><em>1. Gi\u00e1 tr\u1ecb m \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng ph\u00e9p n\u1ed9i suy khi r\/R l\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb kh\u00e1c;<\/em><\/p>\n\n\n\n<p><em>2. r l\u00e0 gi\u00e1 tr\u1ecb nh\u1ecf c\u1ee7a b\u00e1n k\u00ednh cong c\u1ee7a m\u1eb7t ti\u1ebfp x\u00fac<\/em><\/p>\n\n\n\n<p>C\u00e1c t\u00ednh to\u00e1n tr\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh vi\u1ec7c ki\u1ec3m tra b\u00e1nh xe c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u00e3 \u0111\u1eb7t, nh\u1eb1m x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1i \u0111a hi\u1ec7u qu\u1ea3 c\u1ee7a b\u00e1nh xe v\u00e0 t\u00ednh h\u1ee3p l\u00fd c\u1ee7a c\u00e1c k\u00edch th\u01b0\u1edbc (\u0111\u01b0\u1eddng k\u00ednh b\u00e1nh xe, k\u00edch th\u01b0\u1edbc b\u00e1nh xe v\u00e0 \u0111\u1ed9 v\u1eeba kh\u00edt c\u1ee7a \u0111\u01b0\u1eddng ray, v.v.).<\/p>\n\n\n\n<p>B\u1ea3ng \u00e1p su\u1ea5t b\u00e1nh xe t\u1ed1i \u0111a cho ph\u00e9p \u0111\u1ed1i v\u1edbi b\u1ed9 b\u00e1nh xe c\u1ee7a xe l\u1edbn:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"4\">\u0110\u01b0\u1eddng k\u00ednh b\u00e1nh xe\/mm<\/td><td rowspan=\"4\">M\u00f4 h\u00ecnh \u0111\u01b0\u1eddng ray<\/td><td rowspan=\"4\">M\u1ee9c \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td><td colspan=\"9\">T\u1ed1c \u0111\u1ed9 ch\u1ea1y\/(m\/ph\u00fat)<\/td><\/tr><tr><td colspan=\"9\">H\u1ecfi\/\u0110\u00e1p<\/td><\/tr><tr><td colspan=\"3\">\uff1c60<\/td><td colspan=\"3\">60~90<\/td><td colspan=\"3\">\uff1e90~180<\/td><\/tr><tr><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><\/tr><tr><td rowspan=\"8\">500<\/td><td rowspan=\"4\">P38<\/td><td>M1~M3<\/td><td>20.6<\/td><td>19.7<\/td><td>18<\/td><td>18.7<\/td><td>17.9<\/td><td>16.4<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><\/tr><tr><td>M4, M5<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><td>15.6<\/td><td>15<\/td><td>13.7<\/td><td>14.4<\/td><td>13.7<\/td><td>12.5<\/td><\/tr><tr><td>M6, M7<\/td><td>14.7<\/td><td>14.1<\/td><td>12.9<\/td><td>13.4<\/td><td>12.8<\/td><td>11.7<\/td><td>12.3<\/td><td>11.7<\/td><td>10.7<\/td><\/tr><tr><td>M8<\/td><td>12.9<\/td><td>12.3<\/td><td>11.3<\/td><td>11.7<\/td><td>11.2<\/td><td>10.3<\/td><td>10.7<\/td><td>10.3<\/td><td>9.4<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>26<\/td><td>24.3<\/td><td>22.7<\/td><td>23.6<\/td><td>22.6<\/td><td>20.6<\/td><td>21.7<\/td><td>20.7<\/td><td>19<\/td><\/tr><tr><td>M4, M5<\/td><td>21.7<\/td><td>20.7<\/td><td>19<\/td><td>19.7<\/td><td>18.9<\/td><td>17.2<\/td><td>18.1<\/td><td>17.3<\/td><td>15.9<\/td><\/tr><tr><td>M6, M7<\/td><td>18.6<\/td><td>17.7<\/td><td>16.2<\/td><td>16.9<\/td><td>16.2<\/td><td>14.7<\/td><td>15.5<\/td><td>14.8<\/td><td>13.6<\/td><\/tr><tr><td>M8<\/td><td>16.3<\/td><td>15.5<\/td><td>14.2<\/td><td>14.8<\/td><td>14.1<\/td><td>12.9<\/td><td>13.6<\/td><td>12.9<\/td><td>11.6<\/td><\/tr><tr><td rowspan=\"8\">600<\/td><td rowspan=\"4\">P38P43<\/td><td>M1~M3<\/td><td>24.6<\/td><td>23.5<\/td><td>21.5<\/td><td>22.4<\/td><td>21.4<\/td><td>19.5<\/td><td>20.6<\/td><td>19.6<\/td><td>18<\/td><\/tr><tr><td>M4, M5<\/td><td>20.6<\/td><td>19.6<\/td><td>18<\/td><td>19.7<\/td><td>17.8<\/td><td>16.3<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><\/tr><tr><td>M6, M7<\/td><td>17.6<\/td><td>16.8<\/td><td>15.4<\/td><td>16<\/td><td>15.3<\/td><td>14<\/td><td>14.7<\/td><td>14<\/td><td>12.9<\/td><\/tr><tr><td>M8<\/td><td>15.4<\/td><td>14.7<\/td><td>13.4<\/td><td>14<\/td><td>13.4<\/td><td>12.2<\/td><td>12.9<\/td><td>12.3<\/td><td>11.3<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>32<\/td><td>30.5<\/td><td>27.9<\/td><td>29.2<\/td><td>27.8<\/td><td>25.4<\/td><td>26.7<\/td><td>25.5<\/td><td>23.3<\/td><\/tr><tr><td>M4, M5<\/td><td>26.7<\/td><td>25.5<\/td><td>23.3<\/td><td>24.4<\/td><td>23.2<\/td><td>21.2<\/td><td>22.3<\/td><td>21.3<\/td><td>19.4<\/td><\/tr><tr><td>M6, M7<\/td><td>22.9<\/td><td>21.8<\/td><td>19.9<\/td><td>20.9<\/td><td>19.9<\/td><td>18.1<\/td><td>19.1<\/td><td>18.2<\/td><td>16.7<\/td><\/tr><tr><td>M8<\/td><td>20<\/td><td>19.1<\/td><td>17.4<\/td><td>18.3<\/td><td>17.4<\/td><td>15.8<\/td><td>16.7<\/td><td>15.9<\/td><td>14.0<\/td><\/tr><tr><td rowspan=\"8\">700<\/td><td rowspan=\"4\">P43<\/td><td>M1~M3<\/td><td>28<\/td><td>26.8<\/td><td>24.5<\/td><td>25.5<\/td><td>24.4<\/td><td>22.3<\/td><td>23.4<\/td><td>22.4<\/td><td>20.4<\/td><\/tr><tr><td>M4, M5<\/td><td>23.4<\/td><td>22.4<\/td><td>20.4<\/td><td>21.3<\/td><td>20.4<\/td><td>18.6<\/td><td>19.5<\/td><td>18.7<\/td><td>17<\/td><\/tr><tr><td>M6, M7<\/td><td>20<\/td><td>19.2<\/td><td>17.5<\/td><td>18.3<\/td><td>17.4<\/td><td>15.9<\/td><td>16.7<\/td><td>16<\/td><td>14.6<\/td><\/tr><tr><td>M8<\/td><td>17.5<\/td><td>16.7<\/td><td>15.3<\/td><td>15.9<\/td><td>15.2<\/td><td>13.9<\/td><td>14.6<\/td><td>14<\/td><td>12.7<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>38.6<\/td><td>36.8<\/td><td>33.6<\/td><td>35.2<\/td><td>33.5<\/td><td>30.6<\/td><td>32.2<\/td><td>30.7<\/td><td>28<\/td><\/tr><tr><td>M4, M5<\/td><td>32.2<\/td><td>30.726<\/td><td>28<\/td><td>29.4<\/td><td>28<\/td><td>25.6<\/td><td>26.9<\/td><td>25.6<\/td><td>23.4<\/td><\/tr><tr><td>M6, M7<\/td><td>27.6<\/td><td>3<\/td><td>24<\/td><td>25.2<\/td><td>24<\/td><td>21.9<\/td><td>23<\/td><td>22<\/td><td>20<\/td><\/tr><tr><td>M8<\/td><td>24.2<\/td><td>23<\/td><td>21<\/td><td>22<\/td><td>21<\/td><td>19.1<\/td><td>20.1<\/td><td>19.2<\/td><td>17.5<\/td><\/tr><tr><td rowspan=\"4\">800<\/td><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>43.7<\/td><td>41.7<\/td><td>38.1<\/td><td>39.8<\/td><td>38<\/td><td>34.7<\/td><td>36.4<\/td><td>34.8<\/td><td>31.8<\/td><\/tr><tr><td>M4, M5<\/td><td>36.4<\/td><td>34.8<\/td><td>31.8<\/td><td>33.2<\/td><td>31.7<\/td><td>29<\/td><td>30.4<\/td><td>29<\/td><td>26.6<\/td><\/tr><tr><td>M6, M7<\/td><td>31.2<\/td><td>29.8<\/td><td>27.2<\/td><td>28.4<\/td><td>27.2<\/td><td>24.8<\/td><td>26<\/td><td>24.9<\/td><td>22.7<\/td><\/tr><tr><td>M8<\/td><td>27.3<\/td><td>26.1<\/td><td>23.8<\/td><td>24.9<\/td><td>23.8<\/td><td>21.7<\/td><td>22.8<\/td><td>21.8<\/td><td>19.8<\/td><\/tr><tr><td rowspan=\"4\">900<\/td><td rowspan=\"4\">QU80<\/td><td>M1~M3<\/td><td>50.5<\/td><td>48.1<\/td><td>44<\/td><td>46<\/td><td>43.7<\/td><td>40<\/td><td>42.2<\/td><td>40.2<\/td><td>36.8<\/td><\/tr><tr><td>M4, M5<\/td><td>42.4<\/td><td>40.2<\/td><td>36.8<\/td><td>38.4<\/td><td>36.5<\/td><td>33.4<\/td><td>35.2<\/td><td>33.6<\/td><td>30.7<\/td><\/tr><tr><td>M6, M7<\/td><td>36.1<\/td><td>34.4<\/td><td>31.5<\/td><td>32.9<\/td><td>31.2<\/td><td>28.6<\/td><td>30.2<\/td><td>28.8<\/td><td>26.3<\/td><\/tr><tr><td>M8<\/td><td>31.6<\/td><td>30.1<\/td><td>27.5<\/td><td>28.8<\/td><td>27.3<\/td><td>25<\/td><td>26.4<\/td><td>25.1<\/td><td>23<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng \u00e1p su\u1ea5t b\u00e1nh xe t\u1ed1i \u0111a cho ph\u00e9p \u0111\u1ed1i v\u1edbi b\u1ed9 b\u00e1nh xe c\u1ee7a xe l\u1edbn<\/figcaption><\/figure>\n\n\n\n<p>B\u1ea3ng \u00e1p su\u1ea5t b\u00e1nh xe t\u1ed1i \u0111a cho ph\u00e9p \u0111\u1ed1i v\u1edbi b\u1ed9 b\u00e1nh xe \u0111\u1ea9y:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"4\">\u0110\u01b0\u1eddng k\u00ednh b\u00e1nh xe\/mm<\/td><td rowspan=\"4\">M\u00f4 h\u00ecnh \u0111\u01b0\u1eddng ray<\/td><td rowspan=\"4\">M\u1ee9c \u0111\u1ed9 l\u00e0m vi\u1ec7c<\/td><td colspan=\"8\">T\u1ed1c \u0111\u1ed9 ch\u1ea1y\/(m\/ph\u00fat)<\/td><\/tr><tr><td colspan=\"8\">H\u1ecfi\/\u0110\u00e1p<\/td><\/tr><tr><td colspan=\"2\">\uff1c60<\/td><td colspan=\"2\">60~90<\/td><td colspan=\"2\">\uff1e90~180<\/td><td colspan=\"2\">\uff1e180<\/td><\/tr><tr><td>\u22651,6<\/td><td>0.9<\/td><td>\u22651,6<\/td><td>0.9<\/td><td>\u22651,6<\/td><td>0.9<\/td><td>\u22651,6<\/td><td>0.9<\/td><\/tr><tr><td rowspan=\"4\">250<\/td><td rowspan=\"4\">P11<\/td><td>M1~M3<\/td><td>3.3<\/td><td>3.09<\/td><td>2.91<\/td><td>2.81<\/td><td>2.67<\/td><td>2.58<\/td><td>2.46<\/td><td>2.34<\/td><\/tr><tr><td>M4, M5<\/td><td>2.67<\/td><td>2.58<\/td><td>2.43<\/td><td>2.34<\/td><td>2.23<\/td><td>2.15<\/td><td>2.5<\/td><td>1.98<\/td><\/tr><tr><td>M6, M7<\/td><td>2.38<\/td><td>2.51<\/td><td>2.08<\/td><td>2.01<\/td><td>1.91<\/td><td>1.84<\/td><td>1.76<\/td><td>1.7<\/td><\/tr><tr><td>M8<\/td><td>2<\/td><td>1.93<\/td><td>1.82<\/td><td>1.76<\/td><td>1.67<\/td><td>1.61<\/td><td>1.54<\/td><td>1.48<\/td><\/tr><tr><td rowspan=\"8\">350<\/td><td rowspan=\"4\">P18<\/td><td>M1~M3<\/td><td>4.18<\/td><td>4.03<\/td><td>3.8<\/td><td>3.66<\/td><td>3.49<\/td><td>3.36<\/td><td>3.22<\/td><td>3.1<\/td><\/tr><tr><td>M4, M5<\/td><td>3.49<\/td><td>3.36<\/td><td>3.17<\/td><td>3.06<\/td><td>2.91<\/td><td>2.8<\/td><td>2.68<\/td><td>2.59<\/td><\/tr><tr><td>M6, M7<\/td><td>2.99<\/td><td>2.88<\/td><td>2.72<\/td><td>2.62<\/td><td>2.5<\/td><td>2.4<\/td><td>3.2<\/td><td>2.22<\/td><\/tr><tr><td>M8<\/td><td>2.61<\/td><td>2.52<\/td><td>2.38<\/td><td>2.29<\/td><td>2.18<\/td><td>2.1<\/td><td>2.01<\/td><td>1.94<\/td><\/tr><tr><td rowspan=\"4\">P24<\/td><td>M1~M3<\/td><td>14.1<\/td><td>13.5<\/td><td>12.8<\/td><td>12.3<\/td><td>11.8<\/td><td>11.3<\/td><td>10.9<\/td><td>10.4<\/td><\/tr><tr><td>M4, M5<\/td><td>11.8<\/td><td>11.3<\/td><td>10.7<\/td><td>10.3<\/td><td>9.85<\/td><td>9.45<\/td><td>9.1<\/td><td>8.7<\/td><\/tr><tr><td>M6, M7<\/td><td>10.1<\/td><td>9.65<\/td><td>9.15<\/td><td>8.8<\/td><td>8.45<\/td><td>8.1<\/td><td>7.8<\/td><td>7.45<\/td><\/tr><tr><td>M8<\/td><td>8.8<\/td><td>8.45<\/td><td>8<\/td><td>7.7<\/td><td>7.4<\/td><td>7.06<\/td><td>6.8<\/td><td>6.5<\/td><\/tr><tr><td rowspan=\"4\">400<\/td><td rowspan=\"4\">P38<\/td><td>M1~M3<\/td><td>16<\/td><td>15.4<\/td><td>14.6<\/td><td>14<\/td><td>13.4<\/td><td>12.8<\/td><td>12.3<\/td><td>11.85<\/td><\/tr><tr><td>M4, M5<\/td><td>13.4<\/td><td>15.8<\/td><td>12.2<\/td><td>11.7<\/td><td>11.2<\/td><td>10.7<\/td><td>10.3<\/td><td>9.9<\/td><\/tr><tr><td>M6, M7<\/td><td>11.4<\/td><td>11<\/td><td>10.4<\/td><td>10<\/td><td>9.6<\/td><td>9.15<\/td><td>8.8<\/td><td>8.5<\/td><\/tr><tr><td>M8<\/td><td>10<\/td><td>9.6<\/td><td>9.15<\/td><td>8.75<\/td><td>8.4<\/td><td>8<\/td><td>7.7<\/td><td>7.4<\/td><\/tr><tr><td rowspan=\"4\">500<\/td><td rowspan=\"4\">P43<\/td><td>M1~M3<\/td><td>19.8<\/td><td>19.1<\/td><td>18<\/td><td>17.4<\/td><td>16.5<\/td><td>15.9<\/td><td>15.2<\/td><td>14.7<\/td><\/tr><tr><td>M4, M5<\/td><td>16.5<\/td><td>15.9<\/td><td>15<\/td><td>14.5<\/td><td>13.8<\/td><td>13.3<\/td><td>12.7<\/td><td>12.25<\/td><\/tr><tr><td>M6, M7<\/td><td>14.15<\/td><td>13.7<\/td><td>12.9<\/td><td>12.45<\/td><td>11.8<\/td><td>11.4<\/td><td>10.9<\/td><td>10.5<\/td><\/tr><tr><td>M8<\/td><td>12.4<\/td><td>11.9<\/td><td>11.25<\/td><td>10.9<\/td><td>10.3<\/td><td>9.95<\/td><td>9.5<\/td><td>9.2<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u1ea3ng \u00e1p su\u1ea5t b\u00e1nh xe t\u1ed1i \u0111a cho ph\u00e9p \u0111\u1ed1i v\u1edbi b\u1ed9 b\u00e1nh xe \u0111\u1ea9y<\/figcaption><\/figure>\n\n\n\n<p><em>L\u01b0u \u00fd: Gi\u00e1 tr\u1ecb b\u1ea3ng n\u00e0y \u0111\u01b0\u1ee3c t\u00ednh theo v\u1eadt li\u1ec7u b\u00e1nh xe: ZG310-570, HB320; n\u1ebfu v\u1eadt li\u1ec7u b\u00e1nh xe c\u00f3 ZG50MnMo, tr\u1ee5c b\u00e1nh xe c\u00f3 45, HB = 228 ~ 255, \u00e1p su\u1ea5t b\u00e1nh xe t\u1ed1i \u0111a cho ph\u00e9p c\u00f3 th\u1ec3 t\u0103ng th\u00eam 20%;&nbsp;<\/em><\/p>\n\n\n\n<p><em>Q \u2013 s\u1ee9c n\u00e2ng c\u1ee7a c\u1ea7n c\u1ea9u;&nbsp;<\/em><\/p>\n\n\n\n<p><em>G \u2013 tr\u1ecdng t\u1ea3i c\u1ee7a c\u1ea7n c\u1ea9u.<\/em><\/p>\n\n\n\n<p>T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n c\u1ea9u l\u00e0 c\u00f4ng vi\u1ec7c c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u1ea7n c\u1ea9u. B\u1eb1ng c\u00e1ch t\u00ednh to\u00e1n ch\u00ednh x\u00e1c t\u1ea3i tr\u1ecdng b\u00e1nh xe, c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf c\u1ee7a c\u1ea7n c\u1ea9u, v\u00e0 c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u00f9 h\u1ee3p, do \u0111\u00f3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t chung c\u1ee7a thi\u1ebft b\u1ecb. T\u1ed5ng h\u1ee3p l\u1ea1i, t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n c\u1ea9u l\u00e0 m\u1ed9t d\u1ef1 \u00e1n ph\u1ee9c t\u1ea1p nh\u01b0ng quan tr\u1ecdng ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u00f4ng qua ph\u00e2n t\u00edch v\u00e0 t\u00ednh to\u00e1n nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hidden-dangers-of-crane-wheels-not-meeting-the-standard\">Nh\u1eefng nguy hi\u1ec3m ti\u1ec1m \u1ea9n c\u1ee7a b\u00e1nh xe c\u1ea7n c\u1ea9u kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n&nbsp;<\/h2>\n\n\n\n<p>B\u00e1nh xe c\u1ea9u kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n s\u1ebd g\u00e2y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn hi\u1ec7u su\u1ea5t, \u0111\u1ed9 an to\u00e0n v\u00e0 th\u1eddi gian s\u1eed d\u1ee5ng l\u00e2u d\u00e0i c\u1ee7a thi\u1ebft b\u1ecb, th\u1ec3 hi\u1ec7n \u1edf c\u00e1c kh\u00eda c\u1ea1nh sau:&nbsp;<\/p>\n\n\n\n<p>1. T\u0103ng nguy c\u01a1 m\u1ea5t an to\u00e0n<\/p>\n\n\n\n<ul>\n<li>B\u00e1nh xe b\u1ecb g\u00e3y ho\u1eb7c h\u1ecfng: N\u1ebfu v\u1eadt li\u1ec7u b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng th\u00f4ng th\u01b0\u1eddng c\u1ee7a c\u1ea7n c\u1ea9u v\u00e0 d\u1ec5 b\u1ecb g\u00e3y ho\u1eb7c m\u00f2n nghi\u00eam tr\u1ecdng. \u0110i\u1ec1u n\u00e0y s\u1ebd \u0111e d\u1ecda tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong tr\u01b0\u1eddng h\u1ee3p t\u1ea3i tr\u1ecdng cao ho\u1eb7c v\u1eadn h\u00e0nh nhanh, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn tai n\u1ea1n.<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng ray b\u1ecb l\u1ec7ch ho\u1eb7c tr\u1eadt b\u00e1nh: b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 khi\u1ebfn b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray ti\u1ebfp x\u00fac k\u00e9m, khi\u1ebfn c\u1ea7n c\u1ea9u b\u1ecb l\u1ec7ch ho\u1eb7c tr\u1eadt b\u00e1nh, l\u00e0m t\u0103ng nguy c\u01a1 tai n\u1ea1n.<\/li>\n<\/ul>\n\n\n\n<p>2. T\u0103ng hao m\u00f2n v\u00e0 h\u01b0 h\u1ecfng<\/p>\n\n\n\n<ul>\n<li>M\u00e0i m\u00f2n kh\u00f4ng \u0111\u1ec1u: N\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n, c\u00f3 th\u1ec3 c\u00f3 khuy\u1ebft t\u1eadt tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u00fang, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 c\u1ee9ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c c\u1ea5u tr\u00fac kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, d\u1eabn \u0111\u1ebfn m\u00f2n kh\u00f4ng \u0111\u1ec1u. S\u1ef1 m\u00f2n kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 h\u01b0 h\u1ecfng c\u1ee7a b\u00e1nh xe v\u00e0 x\u00edch v\u00e0 l\u00e0m t\u0103ng chi ph\u00ed b\u1ea3o d\u01b0\u1ee1ng.<\/li>\n\n\n\n<li>M\u00f2n qu\u00e1 m\u1ee9c: b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 m\u00f2n qu\u00e1 nhanh trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng l\u00e2u d\u00e0i, d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc b\u00e1nh xe v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u0169ng nh\u01b0 \u0111\u1ed9 ch\u00ednh x\u00e1c khi v\u1eadn h\u00e0nh c\u1ea7n c\u1ea9u.<\/li>\n<\/ul>\n\n\n\n<p>3. \u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng<\/p>\n\n\n\n<ul>\n<li>M\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 rung \u0111\u1ed9ng: b\u00e1nh xe ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m c\u00f3 th\u1ec3 khi\u1ebfn c\u1ea7n c\u1ea9u ch\u1ea1y kh\u00f4ng \u0111\u1ec1u, t\u1ea1o ra \u0111\u1ed9 rung v\u00e0 ti\u1ebfng \u1ed3n qu\u00e1 m\u1ee9c, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh v\u00e0 s\u1ef1 tho\u1ea3i m\u00e1i. Rung \u0111\u1ed9ng l\u00e2u d\u00e0i c\u0169ng c\u00f3 th\u1ec3 g\u00e2y h\u01b0 h\u1ecfng cho c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed kh\u00e1c (v\u00ed d\u1ee5 nh\u01b0 \u1ed5 tr\u1ee5c, \u0111\u1ed9ng c\u01a1, v.v.).<\/li>\n\n\n\n<li>Ph\u00e2n ph\u1ed1i t\u1ea3i kh\u00f4ng \u0111\u1ec1u: C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00e1nh xe c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ph\u00e2n ph\u1ed1i t\u1ea3i kh\u00f4ng \u0111\u1ec1u, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean c\u1ea7n c\u1ea9u c\u00f3 nhi\u1ec1u c\u1ea5u h\u00ecnh b\u00e1nh xe. \u0110i\u1ec1u n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c c\u1ee7a thi\u1ebft b\u1ecb, khi\u1ebfn c\u1ea7n c\u1ea9u kh\u00f4ng th\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<p>4. Gi\u1ea3m tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb<\/p>\n\n\n\n<ul>\n<li>L\u00e3o h\u00f3a s\u1edbm v\u00e0 h\u1ecfng h\u00f3c: V\u1eadt li\u1ec7u v\u00e0 c\u1ea5u tr\u00fac b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 khi\u1ebfn ch\u00fang d\u1ec5 b\u1ecb m\u1ecfi, \u0103n m\u00f2n v\u00e0 h\u01b0 h\u1ecfng kh\u00e1c, do \u0111\u00f3 l\u00e0m gi\u1ea3m tu\u1ed5i th\u1ecd chung c\u1ee7a c\u1ea7n tr\u1ee5c. T\u1ea7n su\u1ea5t thay th\u1ebf b\u00e1nh xe s\u1ebd t\u0103ng theo, d\u1eabn \u0111\u1ebfn chi ph\u00ed b\u1ea3o tr\u00ec b\u1ed5 sung.<\/li>\n\n\n\n<li>L\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 hao m\u00f2n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c: b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hao m\u00f2n s\u1edbm c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng kh\u00e1c c\u1ee7a c\u1ea7n c\u1ea9u (v\u00ed d\u1ee5: h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng ray, m\u00f3c, v.v.), l\u00e0m t\u0103ng th\u00eam kh\u00f3 kh\u0103n v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec.<\/li>\n<\/ul>\n\n\n\n<p>5. T\u0103ng chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 v\u1eadn h\u00e0nh<\/p>\n\n\n\n<ul>\n<li>S\u1eeda ch\u1eefa th\u01b0\u1eddng xuy\u00ean: b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n s\u1ebd khi\u1ebfn thi\u1ebft b\u1ecb ph\u1ea3i s\u1eeda ch\u1eefa, thay th\u1ebf ho\u1eb7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean h\u01a1n, \u0111i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m t\u0103ng chi ph\u00ed v\u1eadn h\u00e0nh m\u00e0 c\u00f2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u0103ng th\u1eddi gian ch\u1ebft c\u1ee7a thi\u1ebft b\u1ecb, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u0103ng su\u1ea5t.<\/li>\n\n\n\n<li>Thay th\u1ebf s\u1edbm: B\u00e1nh xe ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u t\u1ea3i tr\u1ecdng cao trong th\u1eddi gian d\u00e0i, d\u1eabn \u0111\u1ebfn nhu c\u1ea7u thay th\u1ebf s\u1edbm, l\u00e0m t\u0103ng chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 thay th\u1ebf ph\u1ee5 t\u00f9ng.<\/li>\n<\/ul>\n\n\n\n<p>6. T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng<\/p>\n\n\n\n<ul>\n<li>H\u01b0 h\u1ecfng h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng: C\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00e1nh xe c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng b\u1ea5t th\u01b0\u1eddng c\u1ee7a h\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 hao m\u00f2n s\u1edbm ho\u1eb7c h\u01b0 h\u1ecfng \u0111\u1ed9ng c\u01a1, b\u1ed9 gi\u1ea3m t\u1ed1c v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c, do \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng c\u1ea7n tr\u1ee5c.<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng ray b\u1ecb h\u01b0 h\u1ecfng: t\u00e1c \u0111\u1ed9ng c\u1ee7a b\u00e1nh xe kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n l\u00ean h\u1ec7 th\u1ed1ng ray c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng ho\u1eb7c bi\u1ebfn d\u1ea1ng ray, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 c\u00f3 th\u1ec3 \u0111\u00f2i h\u1ecfi ph\u1ea3i s\u1eeda ch\u1eefa v\u00e0 thay th\u1ebf ray th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"preventive-measures\">C\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba:<\/h2>\n\n\n\n<ul>\n<li>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t: \u0110\u1ea3m b\u1ea3o v\u1eadt li\u1ec7u b\u00e1nh xe v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh, l\u1ef1a ch\u1ecdn nh\u00e0 cung c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1ng tin c\u1eady v\u00e0 ti\u1ebfn h\u00e0nh ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m chi ti\u1ebft.<\/li>\n\n\n\n<li>Ki\u1ec3m tra v\u00e0 b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean: Ki\u1ec3m tra b\u00e1nh xe c\u1ea7n c\u1ea9u th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ph\u00e1t hi\u1ec7n nguy c\u01a1 m\u00f2n v\u00e0 n\u1ee9t k\u1ecbp th\u1eddi \u0111\u1ec3 b\u1ea3o d\u01b0\u1ee1ng v\u00e0 thay th\u1ebf khi c\u1ea7n thi\u1ebft.<\/li>\n\n\n\n<li>Thi\u1ebft k\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn h\u1ee3p l\u00fd: L\u1ef1a ch\u1ecdn b\u00e1nh xe c\u00f3 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p theo \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee7a c\u1ea7n tr\u1ee5c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u00e1nh xe c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c d\u1ef1 ki\u1ebfn.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng b\u00e1nh xe c\u1ea7n c\u1ea9u l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn c\u1ea7n c\u1ea9u. T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u1ea7n c\u1ea9u m\u00e0 c\u00f2n li\u00ean quan \u0111\u1ebfn tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec. Trong th\u1ef1c t\u1ebf, t\u1ea3i tr\u1ecdng b\u00e1nh xe \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi c\u00e1c hi\u1ec7u \u1ee9ng k\u1ebft h\u1ee3p c\u1ee7a [\u2026]","protected":false},"featured_media":8530,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[499],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8518"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":5,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8518\/revisions"}],"predecessor-version":[{"id":8565,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8518\/revisions\/8565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media\/8530"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media?parent=8518"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_category?post=8518"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=8518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}