{"id":8848,"date":"2021-11-21T15:17:25","date_gmt":"2021-11-21T08:17:25","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8848"},"modified":"2021-11-21T16:03:01","modified_gmt":"2021-11-21T09:03:01","slug":"tai-sao-tau-hoa-phai-chay-tren-duong-ray-thep","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-tau-hoa-phai-chay-tren-duong-ray-thep\/","title":{"rendered":"T\u1ea1i sao t\u00e0u ho\u1ea3 ph\u1ea3i ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray th\u00e9p?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 t\u1eebng \u0111i t\u00e0u. T\u1eebng toa t\u00e0u n\u1ed1i d\u00e0i v\u1edbi nhau m\u1ed9t c\u00e1ch ch\u1ec9nh t\u1ec1, ch\u1ea1y v\u00f9n v\u1ee5t tr\u00ean \u0111\u01b0\u1eddng ray th\u1eb3ng t\u1eafp v\u1ec1 ph\u01b0\u01a1ng xa. Tuy nhi\u00ean c\u00f3 bao gi\u1edd b\u1ea1n \u0111\u00e3 ngh\u0129 r\u1eb1ng t\u1ea1i sao t\u00e0u ho\u1ea3 l\u1ea1i ph\u1ea3i ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray th\u00e9p kh\u00f4ng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1ea1n \u0111i xe \u0111\u1ea1p tr\u00ean \u0111\u01b0\u1eddng b\u1eb1ng ph\u1eb3ng, b\u1ea1n c\u1ea3m th\u1ea5y r\u1ea5t nh\u1eb9 nh\u00e0ng, song khi g\u1eb7p ph\u1ea3i \u0111\u01b0\u1eddng \u0111\u00e1 g\u1ed3 gh\u1ec1, th\u00ec s\u1ebd c\u1ea3m th\u1ea5y t\u1ed1n s\u1ee9c, khi l\u1ed1p xe b\u01a1m c\u0103ng, th\u00ec \u0111\u1ea1p xe c\u1ea3m th\u1ea5y nh\u1eb9 nh\u00e0nh, khi l\u1ed1p non h\u01a1i, th\u00ec \u0111\u1ea1p th\u1ea5y m\u1ec7t. T\u1ea1i sao v\u1eady?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng \u0111i\u1ec1u \u0111\u00f3 \u0111\u1ec1u l\u00e0 v\u1ea5n \u0111\u1ec1 l\u1ef1c c\u1ea3n l\u0103n. \u0110\u01b0\u1eddng s\u00e1 b\u1eb1ng ph\u1eb3ng v\u00e0 l\u1ed1p xe \u0111\u1ea1p b\u01a1m c\u0103ng, l\u00e0m cho l\u1ef1c c\u1ea3n l\u0103n gi\u1ea3m \u0111i, v\u00ec v\u1eady ng\u01b0\u1eddi \u0111i xe \u0111\u1ea1p c\u1ea3m th\u1ea5y nh\u1eb9 nh\u00e0ng. Do \u0111\u00f3, l\u00e0m gi\u1ea3m l\u1ef1c c\u1ea3n l\u0103n l\u00e0 m\u1ea5u ch\u1ed1t \u0111\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00e0u ho\u1ea3 ban \u0111\u1ea7u l\u00e0 lo\u1ea1i t\u00e0u b\u00e1nh g\u1ed7 ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray b\u1eb1ng g\u1ed7, l\u1ef1c c\u1ea3n l\u0103n r\u1ea5t l\u1edbn. M\u00e3i \u0111\u1ebfn h\u01a1n 100 n\u0103m tr\u01b0\u1edbc, sau khi ph\u00e1t minh ra \u0111\u1ea7u m\u00e1y h\u01a1i n\u01b0\u1edbc, b\u00e1nh xe v\u00e0 \u0111\u01b0\u1eddng ray \u0111\u1ec1u l\u00e0m b\u1eb1ng s\u1eaft th\u00e9p, do \u0111\u00f3 \u0111\u00e3 l\u00e0m gi\u1ea3m r\u1ea5t nhi\u1ec1u l\u1ef1c c\u1ea3n l\u0103n. Theo th\u00ed nghi\u1ec7m, m\u1ed9t chi\u1ebfc \u00f4 t\u00f4 ch\u1edf \u0111\u1ea7y t\u1ea3i, n\u1ebfu \u0111\u1ed7 tr\u00ean m\u1eb7t \u0111\u01b0\u1eddng b\u1eb1ng \u0111\u00e1 d\u0103m, ph\u1ea3i c\u1ea7n 125 ng\u01b0\u1eddi m\u1edbi \u0111\u1ea9y n\u00f3 ch\u1ea1y l\u00ean \u0111\u01b0\u1ee3c, nh\u01b0ng m\u1ed9t toa t\u00e0u ho\u1ea3 c\u00f3 c\u00f9ng tr\u1ecdng l\u01b0\u1ee3ng nh\u01b0 th\u1ebf \u0111\u1ed7 tr\u00ean \u0111\u01b0\u1eddng ray b\u1eb1ng ph\u1eb3ng, th\u00ec ch\u1ec9 c\u1ea7n hai ng\u01b0\u1eddi l\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea9y \u0111\u01b0\u1ee3c. R\u00f5 r\u00e0ng l\u00e0 ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray th\u00e9p, c\u00f3 th\u1ec3 l\u00e0m cho t\u00e0u ho\u1ea3 ti\u1ebft ki\u1ec7m \u0111\u01b0\u1ee3c nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng, v\u00e0 c\u0169ng l\u00e0m t\u0103ng r\u1ea5t nhi\u1ec1u hi\u1ec7u su\u1ea5t v\u1eadn chuy\u1ec3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, v\u00ec b\u1ea3n th\u00e2n t\u00e0u ho\u1ea3 to n\u1eb7ng, n\u1ebfu b\u00e1nh c\u1ee7a n\u00f3 tr\u1ef1c ti\u1ebfp ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng s\u1ecfi \u0111\u00e1 ho\u1eb7c \u0111\u01b0\u1eddng xi m\u0103ng th\u00ec s\u1ebd l\u00e0m cho m\u1eb7t \u0111\u01b0\u1eddng l\u00fan xu\u1ed1ng, n\u00ean d\u00f9ng ray th\u00e9p v\u00e0 t\u00e0 v\u1eb9t g\u1ed7 th\u00ec s\u1ebd gi\u1ea3m \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t c\u1ee7a t\u00e0u \u0111\u1ed1i v\u1edbi n\u1ec1n \u0111\u01b0\u1eddng. H\u01a1n n\u1eefa, gi\u1eefa hai thanh ray c\u00f3 m\u1ed9t kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh, n\u00f3 v\u1eeba v\u1eb7n v\u1edbi kho\u1ea3ng c\u00e1ch gi\u1eefa hai m\u00e9p g\u1edd c\u1ee7a b\u00e1nh xe \u0111\u1ed3ng tr\u1ee5c c\u1ee7a t\u00e0u. Nh\u01b0 v\u1eady, v\u1edbi s\u1ef1 \u0103n kh\u1edbp gi\u1eefa b\u00e1nh xe c\u1ee7a t\u00e0u v\u00e0 \u0111\u01b0\u1eddng ray, t\u00e0u s\u1ebd ch\u1ea1y theo ph\u01b0\u01a1ng \u0111\u01b0\u1eddng ray, \u0111\u00f3 c\u0169ng l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n v\u00ec sao t\u00e0u ho\u1ea3 ph\u1ea3i ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray th\u00e9p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: T\u00e0u h\u1ecfa; \u0110\u01b0\u1eddng ray th\u00e9p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1eafc ch\u1eafn b\u1ea1n \u0111\u00e3 t\u1eebng \u0111i t\u00e0u. T\u1eebng toa t\u00e0u n\u1ed1i d\u00e0i v\u1edbi nhau m\u1ed9t c\u00e1ch ch\u1ec9nh t\u1ec1, ch\u1ea1y v\u00f9n v\u1ee5t tr\u00ean \u0111\u01b0\u1eddng ray th\u1eb3ng t\u1eafp v\u1ec1 ph\u01b0\u01a1ng xa. Tuy nhi\u00ean c\u00f3 bao gi\u1edd b\u1ea1n \u0111\u00e3 ngh\u0129 r\u1eb1ng t\u1ea1i sao t\u00e0u ho\u1ea3 l\u1ea1i ph\u1ea3i ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng ray th\u00e9p kh\u00f4ng? Khi b\u1ea1n \u0111i xe \u0111\u1ea1p [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,16],"tags":[],"class_list":["post-8848","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-ky-thuat"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=8848"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8848\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}