{"id":8514,"date":"2025-06-25T08:51:52","date_gmt":"2025-06-25T08:51:52","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=8514"},"modified":"2025-06-25T08:51:55","modified_gmt":"2025-06-25T08:51:55","slug":"overhead-crane-longitudinal-impact-force","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/vi\/posts\/overhead-crane-longitudinal-impact-force\/","title":{"rendered":"L\u1ef1c t\u00e1c \u0111\u1ed9ng d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c: Ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho nh\u00e0 m\u00e1y"},"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=\"#overhead-crane-longitudinal-impact-force-formula\">C\u00f4ng th\u1ee9c l\u1ef1c t\u00e1c \u0111\u1ed9ng d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c:\u00a0<\/a><\/li><li><a href=\"#overhead-crane-longitudinal-impact-force-calculation-case\">Tr\u01b0\u1eddng h\u1ee3p t\u00ednh to\u00e1n l\u1ef1c t\u00e1c \u0111\u1ed9ng d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c:\u00a0<\/a><\/li><li><a href=\"#faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Trong thi\u1ebft k\u1ebf nh\u00e0 m\u00e1y, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t l\u1ef1c t\u00e1c \u0111\u1ed9ng d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c tr\u00ean cao, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i c\u1ee7a k\u1ebft c\u1ea5u nh\u00e0 m\u00e1y. \u0110\u1eb7c bi\u1ec7t khi n\u00f3i \u0111\u1ebfn c\u1ea7n tr\u1ee5c c\u1ea7u (v\u00ed d\u1ee5 nh\u01b0 c\u1ea7n tr\u1ee5c d\u1ea7m \u0111\u01a1n, d\u1ea7m \u0111\u00f4i) v\u00e0 c\u00e1c thi\u1ebft b\u1ecb l\u1edbn kh\u00e1c, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf th\u01b0\u1eddng d\u1ef1 \u0111o\u00e1n c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u1ea3y ra v\u00e0 thay \u0111\u1ed5i t\u1ea3i trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ea7n tr\u1ee5c v\u00e0 t\u1ed1i \u01b0u h\u00f3a k\u1ebft c\u1ea5u c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2500\" height=\"1663\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Overhead-Crane-Longitudinal-Impact-Force.jpg\" alt=\"\" class=\"wp-image-8515\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Overhead-Crane-Longitudinal-Impact-Force.jpg 2500w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Overhead-Crane-Longitudinal-Impact-Force-1536x1022.jpg 1536w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Overhead-Crane-Longitudinal-Impact-Force-2048x1362.jpg 2048w\" sizes=\"(max-width: 2500px) 100vw, 2500px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-longitudinal-impact-force-formula\">C\u00f4ng th\u1ee9c l\u1ef1c t\u00e1c \u0111\u1ed9ng d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c:&nbsp;<\/h2>\n\n\n\n<p>F=\u03beGv<sub>0<\/sub><sup>2<\/sup>\/2gs \u00b7 r<sub>H\u1ecfi<\/sub><\/p>\n\n\n\n<ul>\n<li>F \u2014 l\u1ef1c t\u00e1c \u0111\u1ed9ng theo ph\u01b0\u01a1ng ngang d\u1ecdc c\u1ee7a kh\u1ed1i c\u1ea7u \u00f4 t\u00f4 gi\u00e1 tr\u1ecb thi\u1ebft k\u1ebf (kN)&nbsp;<\/li>\n\n\n\n<li>G \u2014 tr\u1ecdng l\u01b0\u1ee3ng v\u1eadt va ch\u1ea1m (kN), \u0111\u1ed1i v\u1edbi c\u1ea7u m\u00f3c m\u1ec1m G = G0 + 0,1Gn<\/li>\n\n\n\n<li>G<sub>0<\/sub> \u2014 t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u1ea7u (tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n) (kN)&nbsp;<\/li>\n\n\n\n<li>Gn \u2014 s\u1ee9c n\u00e2ng \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u (kN)&nbsp;<\/li>\n\n\n\n<li>v<sub>0<\/sub> \u2014 v\u1eadn t\u1ed1c c\u1ee7a xe l\u1edbn t\u1ea1i th\u1eddi \u0111i\u1ec3m va ch\u1ea1m, l\u1ea5y v0 = 0,5v&nbsp;<\/li>\n\n\n\n<li>v\u2014\u2014T\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a xe l\u1edbn ho\u1ea1t \u0111\u1ed9ng (m\/gi\u00e2y)&nbsp;<\/li>\n\n\n\n<li>g \u2014 Gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng, l\u1ea5y g=9,81m\/gi\u00e2y2&nbsp;<\/li>\n\n\n\n<li>s \u2014 H\u00e0nh tr\u00ecnh \u0111\u1ec7m (m)&nbsp;<\/li>\n\n\n\n<li>\u03be \u2014 X\u00e9t \u0111\u1ebfn bi\u1ebfn d\u1ea1ng c\u1ee7a t\u1ea5m \u0111\u1ec7m \u0111\u00e0n h\u1ed3i tr\u00ean b\u00e1nh r\u0103ng \u00f4 t\u00f4 v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 thu\u1eadn l\u1ee3i kh\u00e1c h\u1ec7 s\u1ed1 l\u1ea5y 0,8&nbsp;<\/li>\n\n\n\n<li>r<sub>H\u1ecfi<\/sub> \u2014 H\u1ec7 s\u1ed1 ph\u1ee5 t\u1ea3i tr\u1ecdng c\u1ea7u, l\u1ea5y 1,4<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-longitudinal-impact-force-calculation-case\">Tr\u01b0\u1eddng h\u1ee3p t\u00ednh to\u00e1n l\u1ef1c t\u00e1c \u0111\u1ed9ng d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7u tr\u1ee5c:\u00a0<\/h2>\n\n\n\n<p>M\u1ed9t nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p, c\u00f3 hai c\u1ea7n tr\u1ee5c treo \u0111i\u1ec7n 50\/10t, c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a c\u1ea7n tr\u1ee5c l\u00e0:&nbsp;<\/p>\n\n\n\n<p>M\u1ee9c l\u00e0m vi\u1ec7c A6, nh\u1ecbp c\u1ea7u S = 22,5m, lo\u1ea1i ray QU80, t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c c\u1ee7a toa xe ch\u1ea1y v = 95m\/ph\u00fat, t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u1ea7n tr\u1ee5c G<sub>0<\/sub> = 65t, tr\u1ecdng l\u01b0\u1ee3ng xe con g = 19,4t, \u00e1p su\u1ea5t b\u00e1nh xe l\u1edbn nh\u1ea5t P = 410kN, h\u00e0nh tr\u00ecnh \u0111\u1ec7m s = 0,140m, kho\u1ea3ng c\u00e1ch t\u1eeb t\u00e2m \u0111\u1ec7m \u0111\u1ebfn \u0111\u1ec9nh \u0111\u01b0\u1eddng ray H = 1130m.&nbsp;<\/p>\n\n\n\n<p>T\u00ednh gi\u00e1 tr\u1ecb thi\u1ebft k\u1ebf c\u1ee7a l\u1ef1c t\u00e1c \u0111\u1ed9ng ngang d\u1ecdc F c\u1ee7a m\u00e1y c\u1ea7u do kh\u1ed1i xe ch\u1ecbu theo c\u00f4ng th\u1ee9c:<\/p>\n\n\n\n<p>G=65+0,1\u00d750=70t<\/p>\n\n\n\n<p>v<sub>0<\/sub>=0,5\u00d795\/60=0,79m\/gi\u00e2y<\/p>\n\n\n\n<p>F=(0,8\u00d770\u00d79,81\u00d70,79<sup>2<\/sup>)\/(2\u00d79,81\u00d70,14)\u00d71,4=174,7kN<\/p>\n\n\n\n<p>L\u1ef1c t\u00e1c \u0111\u1ed9ng theo ph\u01b0\u01a1ng ngang theo chi\u1ec1u d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao t\u00e1c \u0111\u1ed9ng l\u00ean \u0111i\u1ec3m d\u1eebng xe ch\u1ee7 y\u1ebfu l\u00e0 do l\u1ef1c qu\u00e1n t\u00ednh do c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao t\u1ea1o ra trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. \u0110\u00e2y l\u00e0 l\u1ef1c do s\u1ef1 thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 c\u1ee7a c\u1ea7n tr\u1ee5c di chuy\u1ec3n tr\u00ean cao theo h\u01b0\u1edbng d\u1ecdc (v\u00ed d\u1ee5 nh\u01b0 t\u0103ng t\u1ed1c, gi\u1ea3m t\u1ed1c ho\u1eb7c d\u1eebng \u0111\u1ed9t ng\u1ed9t). \u0110i\u1ec3m d\u1eebng xe c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c t\u00e1c \u0111\u1ed9ng theo chi\u1ec1u d\u1ecdc t\u1eeb c\u1ea7n tr\u1ee5c. T\u1ed1c \u0111\u1ed9 v\u00e0 gia t\u1ed1c t\u1ed1i \u0111a c\u1ee7a c\u1ea7n tr\u1ee5c v\u00e0 t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a c\u1ee7a c\u1ea7n tr\u1ee5c c\u1ea7n \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn trong thi\u1ebft k\u1ebf \u0111i\u1ec3m d\u1eebng xe \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec3m d\u1eebng xe s\u1ebd kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c bi\u1ebfn d\u1ea1ng trong tr\u01b0\u1eddng h\u1ee3p va ch\u1ea1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1750662163921\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 thi\u1ebft k\u1ebf li\u00ean k\u1ebft \u0111\u01b0\u1eddng ray v\u00e0 \u0111i\u1ec3m d\u1eebng xe cho d\u1ea7m c\u1ea7u tr\u1ee5c th\u00e9p \u0111\u1eb7c trong c\u00e1c nh\u00e0 m\u00e1y c\u00f4ng nghi\u1ec7p?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o b\u00e0i vi\u1ebft n\u00e0y, \u300a<a href=\"http:\/\/www.chinabuilding.com.cn\/book-2661.html\" target=\"_blank\" rel=\"noopener\">K\u1ebft n\u1ed1i \u0111\u01b0\u1eddng ray c\u1ea7n c\u1ea9u v\u00e0 \u0111i\u1ec3m d\u1eebng xe<\/a>\u300b<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Trong thi\u1ebft k\u1ebf nh\u00e0 m\u00e1y, \u0111i\u1ec1u r\u1ea5t quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t l\u1ef1c t\u00e1c \u0111\u1ed9ng theo chi\u1ec1u d\u1ecdc c\u1ee7a c\u1ea7n tr\u1ee5c tr\u00ean cao, v\u00ec \u0111i\u1ec1u n\u00e0y c\u00f3 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn s\u1ef1 an to\u00e0n v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i c\u1ee7a k\u1ebft c\u1ea5u nh\u00e0 m\u00e1y. \u0110\u1eb7c bi\u1ec7t khi n\u00f3i \u0111\u1ebfn c\u1ea7n tr\u1ee5c c\u1ea7u (v\u00ed d\u1ee5 nh\u01b0 c\u1ea7n tr\u1ee5c d\u1ea7m \u0111\u01a1n, d\u1ea7m \u0111\u00f4i) v\u00e0 c\u00e1c thi\u1ebft b\u1ecb l\u1edbn kh\u00e1c, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf th\u01b0\u1eddng d\u1ef1 \u0111o\u00e1n c\u00e1c t\u00e1c \u0111\u1ed9ng c\u00f3 th\u1ec3 x\u1ea3y ra v\u00e0 t\u1ea3i tr\u1ecdng [\u2026]","protected":false},"featured_media":8515,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[500],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8514"}],"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":6,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8514\/revisions"}],"predecessor-version":[{"id":8564,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/xmxposts\/8514\/revisions\/8564"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media\/8515"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/media?parent=8514"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_category?post=8514"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=8514"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}