{"id":8838,"date":"2021-11-21T15:16:17","date_gmt":"2021-11-21T08:16:17","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=8838"},"modified":"2021-11-21T16:03:02","modified_gmt":"2021-11-21T09:03:02","slug":"tai-sao-doan-tau-kieu-nghieng-lac-lai-uu-viet-hon-doan-tau-thong-thuong","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/tai-sao-doan-tau-kieu-nghieng-lac-lai-uu-viet-hon-doan-tau-thong-thuong\/","title":{"rendered":"T\u1ea1i sao \u0111o\u00e0n t\u00e0u ki\u1ec3u nghi\u00eang l\u1eafc l\u1ea1i \u01b0u vi\u1ec7t h\u01a1n \u0111o\u00e0n t\u00e0u th\u00f4ng th\u01b0\u1eddng?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Nh\u1eefng ng\u01b0\u1eddi hay \u0111i t\u00e0u ho\u1ea3 \u0111\u1ec1u bi\u1ebft r\u1eb1ng, t\u00e0u ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng s\u1eaft khi qua nh\u1eefng \u0111o\u1ea1n cong, do t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ly t\u00e2m, toa t\u00e0u s\u1ebd s\u1ea3n sinh ra l\u1ef1c xung k\u00edch h\u01b0\u1edbng ra ngo\u00e0i r\u1ea5t l\u1edbn, kh\u00f4ng nh\u1eefng l\u00e0m cho h\u00e0nh kh\u00e1ch c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu, m\u00e0 c\u00f2n c\u00f3 th\u1ec3 l\u00e0m cho t\u00e0u b\u1ecb nghi\u00eang \u0111\u1ed5. T\u1ed1c \u0111\u1ed9 t\u00e0u ch\u1ea1y c\u00e0ng nhanh ho\u1eb7c b\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong c\u00e0ng nh\u1ecf, th\u00ec l\u1ef1c ly t\u00e2m c\u00e0ng l\u1edbn. Trong tr\u01b0\u1eddng h\u1ee3p t\u1ed1c \u0111\u1ed9 \u0111o\u00e0n t\u00e0u kh\u00f4ng nhanh l\u1eafm, d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p t\u0103ng chi\u1ec1u cao thanh ray ph\u00eda ngo\u00e0i \u0111\u01b0\u1eddng cong, l\u00e0m cho toa t\u00e0u h\u01a1i nghi\u00eang v\u1ec1 ph\u00eda trong, th\u00ec c\u00f3 th\u1ec3 tri\u1ec7t ti\u00eau l\u1ef1c ly t\u00e2m n\u00e0y. Khi \u0111o\u00e0n t\u00e0u ch\u1ea1y v\u1edbi t\u1ed1c \u0111\u1ed9 cao, n\u1ebfu thanh ray ngo\u00e0i h\u01a1i cao l\u00ean th\u00ec tr\u00e1i l\u1ea1i c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 an to\u00e0n c\u1ee7a \u0111o\u00e0n t\u00e0u. Hi\u1ec7n nay, c\u00e1c n\u01b0\u1edbc tr\u00ean th\u1ebf gi\u1edbi trong khi ph\u00e1t tri\u1ec3n vi\u1ec7c v\u1eadn h\u00e0nh v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh, v\u1ec1 c\u01a1 b\u1ea3n s\u1eed d\u1ee5ng hai bi\u1ec7n ph\u00e1p: M\u1ed9t l\u00e0, khi x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng t\u00e0u cao t\u1ed1c m\u1edbi, d\u00f9ng bi\u1ec7n ph\u00e1p t\u0103ng b\u00e1n k\u00ednh \u0111\u01b0\u1eddng cong (t\u0103ng \u0111\u1ebfn 400- 6000 m), nh\u01b0ng bi\u1ec7n ph\u00e1p n\u00e0y c\u1ea7n \u0111\u1ea7u t\u01b0 l\u1edbn, th\u1eddi gian x\u00e2y d\u1ef1ng l\u00e2u; hai l\u00e0, c\u1ea3i t\u1ea1o m\u1ed9t \u00edt tuy\u1ebfn \u0111\u01b0\u1eddng hi\u1ec7n c\u00f3 ch\u1ee7 y\u1ebfu l\u00e0 c\u1ea3i t\u1ea1o k\u1ebft c\u1ea5u toa t\u00e0u, l\u00e0m cho khi ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng cong, toa t\u00e0u c\u00f3 th\u1ec3 nghi\u00eang l\u1eafc m\u1ed9t c\u00e1ch t\u01b0\u01a1ng \u1ee9ng, \u0111\u1ec3 gi\u1ea3m b\u1edbt l\u1ef1c ly t\u00e2m. \u0110\u00f3 l\u00e0 lo\u1ea1i \u0111o\u00e0n t\u00e0u ki\u1ec3u nghi\u00eang l\u1eafc m\u00e0 ta \u0111ang n\u00f3i \u0111\u1ebfn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110o\u00e0n t\u00e0u nghi\u00eang l\u1eafc l\u00e0 \u0111o\u00e0n t\u00e0u cao t\u1ed1c ki\u1ec3u m\u1edbi, c\u00f3 k\u1ef9 thu\u1eadt m\u1edbi hi\u1ec7n \u0111\u1ea1i d\u00f9ng m\u00e1y t\u00ednh \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng. Nh\u1edd v\u1eady m\u00e0 khi v\u00e0o \u0111\u01b0\u1eddng cong, toa xe s\u1ebd t\u1ef1 \u0111\u1ed9ng nghi\u00eang tri\u1ec7t ti\u00eau t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ly t\u00e2m. Khi \u0111o\u00e0n t\u00e0u ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng, toa t\u00e0u l\u1ea1i tr\u1edf v\u1ec1 nguy\u00ean tr\u1ea1ng, gi\u1ed1ng nh\u01b0 &#8220;con l\u1eadt \u0111\u1eadt&#8221; v\u1eady. N\u00f3 kh\u00f4ng c\u1ea7n s\u1ef1 c\u1ea3i t\u1ea1o nhi\u1ec1u \u0111\u1ed1i v\u1edbi tuy\u1ebfn \u0111\u01b0\u1eddng hi\u1ec7n c\u00f3, m\u00e0 d\u1ef1a v\u00e0o s\u1ef1 nghi\u00eang l\u1eafc t\u1ef1 \u0111\u1ed9ng c\u1ee7a toa t\u00e0u \u0111\u1ec3 th\u1ef1c hi\u1ec7n v\u1eadn h\u00e0nh cao t\u1ed1c, v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u1eeba an to\u00e0n l\u1ea1i tho\u1ea3i m\u00e1i. Th\u1ef1c ti\u1ec5n ch\u1ee9ng minh r\u1eb1ng, lo\u1ea1i t\u00e0u n\u00e0y khi qua \u0111\u01b0\u1eddng cong, t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 t\u0103ng 20-40% cao nh\u1ea5t l\u00e0 50%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ed9ng ho\u00e0 li\u00ean bang \u0110\u1ee9c l\u00e0 n\u01b0\u1edbc s\u1eed d\u1ee5ng lo\u1ea1i t\u00e0u n\u00e0y s\u1edbm nh\u1ea5t v\u00e0 r\u1ed9ng r\u00e3i nh\u1ea5t, hi\u1ec7n \u0111\u00e3 c\u00f3 120 \u0111o\u00e0n t\u00e0u ch\u1ea1y tr\u00ean c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng s\u1eaft d\u00e0i 6600 km. \u0110o\u00e0n t\u00e0u ki\u1ec3u X2000 do c\u00f4ng ty ABB c\u1ee7a Thu\u1ef5 \u0110i\u1ec3n nghi\u00ean c\u1ee9u ch\u1ebf t\u1ea1o, sau n\u00e0y \u0111\u00e3 d\u1eabn \u0111\u1ea7u v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn. N\u00f3 \u0111\u01b0\u1ee3c c\u1ea3i t\u1ea1o tr\u00ean tuy\u1ebfn \u0111\u01b0\u1eddng hi\u1ec7n c\u00f3, m\u1ed7i kil\u00f4m\u00e9t \u0111\u1ea7u t\u01b0 50 v\u1ea1n \u0111\u00f4la M\u1ef9, ch\u1ec9 b\u1eb1ng 3-5% so v\u1edbi x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng cao t\u1ed1c m\u1edbi. Trung Qu\u1ed1c \u0111\u00e3 nh\u1eadp t\u00e0u \u0111\u00f3 c\u1ee7a Thu\u1ef5 \u0110i\u1ec3n v\u00e0 s\u1ebd \u0111\u01b0a v\u00e0o v\u1eadn h\u00e0nh tr\u00ean tuy\u1ebfn \u0111\u01b0\u1eddng Qu\u1ea3ng Ch\u00e2u &#8211; Th\u00e2m Quy\u1ebfn- H\u1ed3ng K\u00f4ng C\u1eedu Long.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eeb kho\u00e1: \u0110o\u00e0n t\u00e0u ki\u1ec3u nghi\u00eang l\u1eafc; L\u1ef1c li t\u00e2m.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nh\u1eefng ng\u01b0\u1eddi hay \u0111i t\u00e0u ho\u1ea3 \u0111\u1ec1u bi\u1ebft r\u1eb1ng, t\u00e0u ch\u1ea1y tr\u00ean \u0111\u01b0\u1eddng s\u1eaft khi qua nh\u1eefng \u0111o\u1ea1n cong, do t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c ly t\u00e2m, toa t\u00e0u s\u1ebd s\u1ea3n sinh ra l\u1ef1c xung k\u00edch h\u01b0\u1edbng ra ngo\u00e0i r\u1ea5t l\u1edbn, kh\u00f4ng nh\u1eefng l\u00e0m cho h\u00e0nh kh\u00e1ch c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu, m\u00e0 c\u00f2n c\u00f3 th\u1ec3 l\u00e0m [&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-8838","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\/8838","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=8838"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/8838\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=8838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=8838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=8838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}