{"id":26084,"date":"2020-08-16T10:51:45","date_gmt":"2020-08-16T03:51:45","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=26084"},"modified":"2021-11-14T16:31:21","modified_gmt":"2021-11-14T09:31:21","slug":"be-tong-sieu-tinh-nang-hoi-sinh-cau-thang-long","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/be-tong-sieu-tinh-nang-hoi-sinh-cau-thang-long\/","title":{"rendered":"B\u00ea t\u00f4ng si\u00eau t\u00ednh n\u0103ng \u201ch\u1ed3i sinh\u201d c\u1ea7u Th\u0103ng Long"},"content":{"rendered":"\n

(khoahocdoisong.vn) – C\u00f4ng ngh\u1ec7 b\u00ea t\u00f4ng si\u00eau t\u00ednh n\u0103ng c\u1ee7a ch\u00ednh c\u00e1c nh\u00e0 khoa h\u1ecdc Vi\u1ec7t Nam s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eeda ch\u1eefa c\u1ea7u Th\u0103ng Long v\u1edbi \u0111\u1ed9 b\u1ec1n ch\u1eafc ch\u1eafn l\u00ean \u0111\u1ebfn h\u01a1n ch\u1ee5c n\u0103m.<\/strong><\/h2>\n\n\n\n
\"B\u00ea<\/figure><\/div>\n\n\n\n

L\u00e0m ch\u1ee7 c\u00f4ng ngh\u1ec7, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o n\u01b0\u1edbc ngo\u00e0i<\/strong><\/p>\n\n\n\n

T\u1ea1i H\u1ed9i th\u1ea3o \u201cB\u00e1o c\u00e1o Gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 s\u1eeda ch\u1eefa<\/a>, t\u0103ng c\u01b0\u1eddng m\u1eb7t c\u1ea7u Th\u0103ng Long<\/a> 2020\u201d do Khoa C\u00f4ng tr\u00ecnh, Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc Giao th\u00f4ng V\u1eadn t\u1ea3i (GTVT) ph\u1ed1i h\u1ee3p v\u1edbi H\u1ed9i C\u1ea7u \u0111\u01b0\u1eddng H\u00e0 N\u1ed9i t\u1ed5 ch\u1ee9c ng\u00e0y 5\/8, GS.TS Tr\u1ea7n \u0110\u1ee9c Nhi\u1ec7m, \u0110\u1ea1i h\u1ecdc GTVT cho bi\u1ebft, vi\u1ec7c nghi\u00ean c\u1ee9u \u0111\u1ec3 t\u00ecm ra c\u00f4ng ngh\u1ec7 s\u1eeda ch\u1eefa m\u1eb7t c\u1ea7u Th\u0103ng Long \u0111\u01b0\u1ee3c t\u1eadp th\u1ec3 c\u00e1c nh\u00e0 khoa h\u1ecdc c\u1ee7a Tr\u01b0\u1eddng ti\u1ebfn h\u00e0nh \u0111\u00e3 l\u00e2u nh\u1eb1m gi\u1ea3i quy\u1ebft d\u1ee9t \u0111i\u1ec3m t\u00ecnh tr\u1ea1ng xu\u1ed1ng c\u1ea5p \u1edf c\u1ea7u Th\u0103ng Long.<\/p>\n\n\n\n

Theo GS.TS Tr\u1ea7n \u0110\u1ee9c Nhi\u1ec7m, nguy\u00ean nh\u00e2n h\u01b0 h\u1ecfng c\u1ee7a m\u1eb7t c\u1ea7u l\u00e0 do m\u1eadt \u0111\u1ed9 xe l\u1edbn (th\u1ed1ng k\u00ea hi\u1ec7n nay c\u00f3 kho\u1ea3ng 47.000 l\u01b0\u1ee3t xe\/ng\u00e0y), t\u1ea3i tr\u1ecdng tr\u1ee5c c\u00e1c xe l\u1edbn. K\u1ebft c\u1ea5u c\u1ea7u Th\u0103ng Long b\u1ea3n th\u00e9p t\u01b0\u01a1ng \u0111\u1ed1i m\u1ecfng, b\u1ea3n m\u1eb7t c\u1ea7u ch\u1ecbu k\u00e9o theo c\u1ea3 ph\u01b0\u01a1ng d\u1ecdc v\u00e0 ngang, b\u1ecb v\u00f5ng c\u1ee5c b\u1ed9, kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u ch\u1ecbu t\u1ea3i, d\u00ednh b\u00e1m gi\u1eefa l\u1edbp ph\u1ee7 m\u1eb7t c\u1ea7u v\u1edbi m\u1eb7t c\u1ea7u th\u00e9p k\u00e9m, nhi\u1ec1u v\u1ecb tr\u00ed kh\u00f4ng c\u00f3 d\u00ednh b\u00e1m, l\u1edbp ph\u1ee7 r\u1ed9ng, \u0111\u1ecdng n\u01b0\u1edbc…<\/p>\n\n\n\n

Ng\u00e0y 9\/8, vi\u1ec7c s\u1eeda ch\u1eefa m\u1eb7t c\u1ea7u \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh v\u00e0 d\u1ef1 ki\u1ebfn s\u1ebd ho\u00e0n th\u00e0nh v\u00e0o cu\u1ed1i  n\u0103m 2020. C\u00f4ng ngh\u1ec7 \u00e1p d\u1ee5ng \u0111\u1ec3 s\u1eeda ch\u1eefa l\u1ea7n n\u00e0y do ch\u00ednh c\u00e1c nh\u00e0 khoa h\u1ecdc thu\u1ed9c \u0110\u1ea1i h\u1ecdc GTVT l\u00e0m ch\u1ee7. Ki\u1ec3m tra t\u1ed5ng th\u1ec3 c\u1ea7u cho th\u1ea5y, gi\u00e0n ch\u1ee7 v\u00e0 b\u1ea3n th\u00e9p m\u1eb7t c\u1ea7u d\u00e0y 14mm ch\u01b0a xu\u1ea5t hi\u1ec7n h\u01b0 h\u1ecfng, v\u1eabn \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c. Tuy nhi\u00ean, thi\u1ebft k\u1ebf b\u1ea3n th\u00e9p m\u1eb7t c\u1ea7u t\u1eeb nh\u1eefng n\u0103m 1980 kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 c\u1ee9ng theo ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh d\u1eabn \u0111\u1ebfn b\u1ea3n m\u1eb7t c\u1ea7u b\u1ecb v\u00f5ng c\u1ee5c b\u1ed9, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng, l\u01b0u l\u01b0\u1ee3ng xe hi\u1ec7n nay. \u0110\u1ec3 s\u1eeda ch\u1eefa m\u1eb7t c\u1ea7u Th\u0103ng Long c\u1ea7n t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng cho b\u1ea3n m\u1eb7t c\u1ea7u, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00ednh b\u00e1m gi\u1eefa m\u1eb7t c\u1ea7u v\u00e0 l\u1edbp ph\u1ee7, ch\u1ed1ng th\u1ea5m, ch\u1ed1ng \u0111\u1ecdng n\u01b0\u1edbc xu\u1ed1ng b\u1ec1 m\u1eb7t b\u1ea3n th\u00e9p m\u1eb7t c\u1ea7u.<\/p>\n\n\n\n

Gi\u1ea3i ph\u00e1p \u0111\u01b0a ra l\u00e0 c\u1ea3i t\u1ea1o b\u1ea3n th\u00e9p hi\u1ec7n t\u1ea1i th\u00e0nh m\u1eb7t c\u1ea7u li\u00ean h\u1ee3p nh\u1eb9 b\u1eb1ng c\u00e1ch l\u00e0m s\u1ea1ch b\u1ea3n th\u00e9p m\u1eb7t c\u1ea7u, h\u00e0n \u0111inh neo d\u00e0i 5cm theo c\u00f4ng ngh\u1ec7 h\u00e0n plasma t\u1ed1c \u0111\u1ed9 nhanh (0,17 gi\u00e2y) \u0111\u1ec3 kh\u00f4ng g\u00e2y bi\u1ebfn t\u00ednh v\u1eadt li\u1ec7u th\u00e9p. Sau \u0111\u00f3 \u0111\u1eb7t l\u01b0\u1edbi th\u00e9p l\u00ean r\u1ed3i \u0111\u1ed5 b\u00eat\u00f4ng si\u00eau t\u00ednh n\u0103ng (UHPC) c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i thi\u1ec3u 120Mpa, d\u00e0y t\u1ed1i thi\u1ec3u 60mm. Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng s\u1ebd che ch\u1eafn c\u1ea7u Th\u0103ng Long \u0111\u1ec3 tr\u00e1nh m\u01b0a, n\u1eafng, \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 b\u00ea t\u00f4ng<\/a>. Nh\u01b0 v\u1eady, c\u00e1c \u0111inh neo v\u00e0 l\u01b0\u1edbi th\u00e9p s\u1ebd c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c m\u1eb7t c\u1ea7u v\u1edbi b\u00ea t\u00f4ng si\u00eau t\u00ednh n\u0103ng c\u00f3 h\u00e0m l\u01b0\u1ee3ng c\u1ed1t s\u1ee3i kim lo\u1ea1i cao, ch\u1ecbu bi\u1ebfn d\u1ea1ng t\u1ed1t. Do \u0111\u00f3, s\u1ebd ng\u0103n \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng x\u00f4 tr\u01b0\u1ee3t b\u00ea t\u00f4ng v\u1edbi m\u1eb7t c\u1ea7u trong gi\u1ea3i ph\u00e1p ph\u1ee7 b\u00ea t\u00f4ng nh\u1ef1a l\u00ean b\u1ea3n th\u00e9p m\u1eb7t c\u1ea7u nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n\n\n\n

\u0110\u1ed9t ph\u00e1 trong s\u1eeda ch\u1eefa m\u1eb7t c\u1ea7u th\u00e9p<\/strong><\/p>\n\n\n\n

GS.TS Tr\u1ea7n \u0110\u1ee9c Nhi\u1ec7m cho bi\u1ebft, hi\u1ec7n nay, g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c th\u1ebf h\u1ec7 c\u1ea7u tr\u1ef1c h\u01b0\u1edbng \u1edf ch\u00e2u \u00c2u theo c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec1u \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa. T\u1ea1i H\u00e0 Lan, ng\u01b0\u1eddi ta d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p h\u00e0n d\u00e0y th\u00eam b\u1ea3n m\u1eb7t th\u00e9p c\u1ee7a c\u1ea7u. Th\u1eadm ch\u00ed, h\u1ecd d\u00f9ng c\u1ea3 s\u1ee3i carbon \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c cho m\u1eb7t c\u1ea7u d\u00f9 \u0111\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u r\u1ea5t \u0111\u1eaft ti\u1ec1n nh\u01b0ng l\u1ea1i c\u00f3 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n\n\n\n

C\u00f4ng ngh\u1ec7 n\u00e0y kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho nh\u1eefng c\u00e2y c\u1ea7u m\u1eb7t theo tr\u1ef1c h\u01b0\u1edbng th\u1ebf h\u1ec7 c\u0169 m\u00e0 c\u00f2n cho c\u1ea3 nh\u1eefng c\u00e2y c\u1ea7u x\u00e2y m\u1edbi. Vi\u1ec7c c\u1ea3i t\u1ea1o m\u1eb7t c\u1ea7u b\u1ea3n th\u00e9p tr\u1ef1c h\u01b0\u1edbng th\u00e0nh m\u1eb7t c\u1ea5u th\u00e9p li\u00ean h\u1ee3p si\u00eau nh\u1eb9 s\u1eed d\u1ee5ng b\u00ea t\u00f4ng si\u00eau t\u00ednh n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t ph\u1ed5 bi\u1ebfn \u1edf Trung Qu\u1ed1c. C\u00e1ch l\u00e0m n\u00e0y s\u1ebd t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee9ng cho m\u1eb7t c\u1ea7u, gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1 d\u00ednh b\u00e1m gi\u1eefa m\u1eb7t c\u1ea7u v\u00e0 l\u1edbp ph\u1ee7 trong tr\u01b0\u1eddng h\u1ee3p xe t\u1ea3i tr\u1ecdng n\u1eb7ng, ch\u1ed1ng th\u1ea5m \u0111\u1ecdng n\u01b0\u1edbc b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

PGS.TS Nguy\u1ec5n Ng\u1ecdc Long, Hi\u1ec7u tr\u01b0\u1edfng Tr\u01b0\u1eddng \u0110\u1ea1i h\u1ecdc GTVT cho bi\u1ebft, \u0111\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 l\u1ea7n \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam nh\u01b0ng \u0111\u1ed1i v\u1edbi th\u1ebf gi\u1edbi l\u1ea1i t\u01b0\u01a1ng \u0111\u1ed1i quen thu\u1ed9c. V\u00e0 n\u1ebfu th\u00e0nh c\u00f4ng \u1edf c\u1ea7u Th\u0103ng Long, c\u00f4ng ngh\u1ec7 n\u00e0y h\u1ee9a h\u1eb9n s\u1ebd \u0111\u01b0\u1ee3c nh\u00e2n r\u1ed9ng \u00e1p d\u1ee5ng t\u1ea1i nhi\u1ec1u c\u00e2y c\u1ea7u kh\u00e1c tr\u00ean c\u1ea3 n\u01b0\u1edbc.<\/p>\n\n\n\n

Qua qu\u00e1 tr\u00ecnh th\u00ed nghi\u1ec7m, c\u00e1c chuy\u00ean gia c\u1ee7a \u0110\u1ea1i h\u1ecdc GTVT \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh \u0111\u1ed9 tin c\u1eady c\u1ee7a gi\u1ea3i ph\u00e1p c\u00f4ng ngh\u1ec7 s\u1eeda ch\u1eefa m\u1eb7t c\u1ea7u Th\u0103ng Long v\u00e0 s\u1ebd th\u1eed nghi\u1ec7m 120m tr\u00ean m\u1eb7t c\u1ea7u tr\u01b0\u1edbc khi thi c\u00f4ng \u0111\u1ea1i tr\u00e0.<\/p>\n\n\n\n

Theo GS.TS T\u1ed1ng Tr\u1ea7n T\u00f9ng, Ph\u00f3 Ch\u1ee7 t\u1ecbch H\u1ed9i Khoa h\u1ecdc K\u1ef9 thu\u1eadt C\u1ea7u \u0111\u01b0\u1eddng Vi\u1ec7t Nam, gi\u1ea3i ph\u00e1p d\u00f9ng b\u00eat\u00f4ng si\u00eau t\u00ednh n\u0103ng li\u00ean h\u1ee3p v\u1edbi b\u1ea3n m\u1eb7t th\u00e9p c\u1ee7a c\u1ea7u qua h\u1ec7 th\u1ed1ng \u0111inh neo v\u00e0 l\u01b0\u1edbi th\u00e9p s\u1ebd \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh, ch\u1ed1ng tr\u01b0\u1ee3t so v\u1edbi \u0111\u1ed5 b\u00eat\u00f4ng nh\u1ef1a tr\u1ef1c ti\u1ebfp l\u00ean b\u1ea3n m\u1eb7t th\u00e9p nh\u01b0 tr\u01b0\u1edbc \u0111\u00e2y.<\/p>\n\n\n\n

H\u00c0 B\u00ccNH<\/strong> ngu\u1ed3n: khoahocdoisong.vn<\/p>\n\n\n\n

B\u00ea t\u00f4ng si\u00eau t\u00ednh n\u0103ng \u201ch\u1ed3i sinh\u201d c\u1ea7u Th\u0103ng Long – Khoa h\u1ecdc v\u00e0 \u0111\u1eddi s\u1ed1ng (khoahocdoisong.vn)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

(khoahocdoisong.vn) – C\u00f4ng ngh\u1ec7 b\u00ea t\u00f4ng si\u00eau t\u00ednh n\u0103ng c\u1ee7a ch\u00ednh c\u00e1c nh\u00e0 khoa h\u1ecdc Vi\u1ec7t Nam s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1eeda ch\u1eefa c\u1ea7u Th\u0103ng Long v\u1edbi \u0111\u1ed9 b\u1ec1n ch\u1eafc ch\u1eafn l\u00ean \u0111\u1ebfn h\u01a1n ch\u1ee5c n\u0103m. L\u00e0m ch\u1ee7 c\u00f4ng ngh\u1ec7, kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o n\u01b0\u1edbc ngo\u00e0i T\u1ea1i H\u1ed9i th\u1ea3o \u201cB\u00e1o c\u00e1o Gi\u1ea3i ph\u00e1p c\u00f4ng […]<\/p>\n","protected":false},"author":25,"featured_media":26085,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26084","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\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26084"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26084\/revisions"}],"predecessor-version":[{"id":29971,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26084\/revisions\/29971"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26085"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26084"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26084"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26084"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}