{"id":28740,"date":"2019-03-08T20:56:00","date_gmt":"2019-03-08T13:56:00","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=28740"},"modified":"2021-10-03T20:56:50","modified_gmt":"2021-10-03T13:56:50","slug":"su-dung-soi-tu-lop-xe-de-tang-kha-nang-chong-chay-cua-be-tong","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/su-dung-soi-tu-lop-xe-de-tang-kha-nang-chong-chay-cua-be-tong\/","title":{"rendered":"S\u1eed d\u1ee5ng s\u1ee3i t\u1eeb l\u1ed1p xe \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a b\u00ea t\u00f4ng"},"content":{"rendered":"\n<p>C\u00e1c k\u1ef9 s\u01b0 t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Sheffield \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ef9 thu\u1eadt khai th\u00e1c s\u1ee3i t\u1eeb l\u1ed1p xe c\u0169 \u0111\u1ec3 b\u1ed5 sung v\u00e0o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1eb1m c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a b\u00ea t\u00f4ng.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.vista.gov.vn\/vn-uploads\/news\/2019_3\/7-3\/5.jpg\" alt=\"Scientists-use-tire-fibers-to-increase-fire-resistance-of-concrete\"\/><\/figure>\n\n\n\n<p>D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t r\u1ea5t n\u00f3ng, b\u00ea t\u00f4ng b\u1ecb bong l\u1edbp b\u1ec1 m\u1eb7t, c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac c\u1ee7a m\u1ed9t t\u00f2a nh\u00e0 ho\u1eb7c c\u00e2y c\u1ea7u. H\u1ea7u h\u1ebft c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng v\u00e0 h\u1ea1 t\u1ea7ng l\u1edbn \u0111\u1ec1u s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng gia c\u1ed1 s\u1ee3i polypropylen nh\u00e2n t\u1ea1o \u0111\u1ec3 ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng n\u1ee9t v\u1ee1.<br><br>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Sheffield \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng cho b\u00ea t\u00f4ng ch\u1ed1ng ch\u00e1y. Thay v\u00ec s\u1eed d\u1ee5ng s\u1ee3i \u0111\u01b0\u1ee3c t\u1ea1o ra l\u00e0m nguy\u00ean li\u1ec7u, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111\u01b0a ra m\u1ed9t k\u1ef9 thu\u1eadt m\u1edbi \u0111\u1ec3 chi\u1ebft xu\u1ea5t s\u1ee3i t\u1eeb l\u1ed1p xe c\u0169. &#8220;<em>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ph\u1ebf th\u1ea3i theo c\u00e1ch n\u00e0y \u00edt t\u1ed1n k\u00e9m v\u00e0 t\u1ed1t h\u01a1n cho h\u00e0nh tinh<\/em>&#8220;, Shan-Shan Huang, \u0111\u1ed3ng t\u00e1c gi\u1ea3 nghi\u00ean c\u1ee9u n\u00f3i.<br><br>B\u00ea t\u00f4ng bong ra v\u00ec ch\u1ea5t l\u1ecfng trong v\u1eadt li\u1ec7u n\u1edf ra v\u00e0 t\u1ea1o \u00e1p l\u1ef1c cho \u0111\u1ebfn khi c\u00e1c l\u1edbp ngo\u00e0i c\u1ee7a b\u00ea t\u00f4ng v\u1ee1 v\u00e0 n\u1ed5 tung. S\u1ee3i \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o, s\u1ebd ch\u1ea3y ra do t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t m\u1ea1nh v\u00e0 t\u1ea1o ra c\u00e1c r\u00e3nh nh\u1ecf, qua \u0111\u00f3 h\u01a1i \u1ea9m \u0111\u1ecdng l\u1ea1i c\u00f3 th\u1ec3 tho\u00e1t ra.<br><br>&#8220;<em>V\u00ec s\u1ee3i c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t nh\u1ecf, n\u00ean ch\u00fang kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n ho\u1eb7c \u0111\u1ed9 c\u1ee9ng c\u1ee7a b\u00ea t\u00f4ng<\/em>&#8220;, Huang n\u00f3i. &#8220;<em>Nhi\u1ec7m v\u1ee5 duy nh\u1ea5t c\u1ee7a s\u1ee3i l\u00e0 tan ch\u1ea3y khi nhi\u1ec7t tr\u1edf n\u00ean m\u1ea1nh m\u1ebd. B\u00ea t\u00f4ng l\u00e0 v\u1eadt li\u1ec7u d\u1ec5 v\u1ee1, do \u0111\u00f3, s\u1ebd t\u01b0\u01a1ng \u0111\u1ed1i d\u1ec5 ph\u00e2n t\u00e1ch m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn s\u1ee3i, gi\u00fap gi\u1ea3m \u00e1p l\u1ef1c trong b\u00ea t\u00f4ng<\/em>&#8220;.<br><br>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t l\u1ed1p xe s\u1eed d\u1ee5ng s\u1ee3i \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n c\u1ee7a cao su v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a l\u1ed1p xe. Nh\u00f3m nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0a ra ph\u01b0\u01a1ng ph\u00e1p chi\u1ebft xu\u1ea5t s\u1ee3i t\u1eeb l\u1ed1p xe c\u0169 v\u00e0 nh\u1eb9 nh\u00e0ng tr\u1ed9n v\u00e0o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng. Nghi\u00ean c\u1ee9u \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 tr\u00ean t\u1ea1p ch\u00ed&nbsp;<em>Fire Technology<\/em>.<br><br>C\u00e1c nh\u00e0 khoa h\u1ecdc hi\u1ec7n \u0111ang ph\u1ed1i h\u1ee3p v\u1edbi Twincon, c\u00f4ng ty x\u00e2y d\u1ef1ng \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 nghi\u00ean c\u1ee9u nh\u1eefng l\u1ee3i \u00edch ch\u1ed1ng ch\u00e1y do n\u1ed3ng \u0111\u1ed9 s\u1ee3i t\u1eeb l\u1ed1p kh\u00e1c nhau mang l\u1ea1i cho nhi\u1ec1u lo\u1ea1i b\u00ea t\u00f4ng.<br><em>N.P.D (NASATI)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c k\u1ef9 s\u01b0 t\u1ea1i tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Sheffield \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ef9 thu\u1eadt khai th\u00e1c s\u1ee3i t\u1eeb l\u1ed1p xe c\u0169 \u0111\u1ec3 b\u1ed5 sung v\u00e0o h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng nh\u1eb1m c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y c\u1ee7a b\u00ea t\u00f4ng. D\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t r\u1ea5t n\u00f3ng, b\u00ea t\u00f4ng b\u1ecb bong l\u1edbp b\u1ec1 m\u1eb7t, c\u00f3 th\u1ec3 [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-28740","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=28740"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28740\/revisions"}],"predecessor-version":[{"id":28741,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/28740\/revisions\/28741"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=28740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=28740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=28740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}