{"id":43594,"date":"2019-04-02T15:01:22","date_gmt":"2019-04-02T08:01:22","guid":{"rendered":"http:\/\/tcvn.gov.vn\/?p=43594"},"modified":"2019-04-02T15:12:51","modified_gmt":"2019-04-02T08:12:51","slug":"cap-nhat-tieu-chuan-moi-gia-tang-hieu-suat-cua-vat-lieu-mat-duong","status":"publish","type":"post","link":"https:\/\/tcvn.gov.vn\/cap-nhat-tieu-chuan-moi-gia-tang-hieu-suat-cua-vat-lieu-mat-duong\/02\/04\/2019\/","title":{"rendered":"C\u1eadp nh\u1eadt\u00a0ti\u00eau chu\u1ea9n m\u1edbi gia t\u0103ng hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u m\u1eb7t \u0111\u01b0\u1eddng"},"content":{"rendered":"

G\u1ea7n \u0111\u00e2y, ASTM Qu\u1ed1c t\u1ebf \u0111\u00e3 cho ra \u0111\u1eddi m\u1ed9t ti\u00eau chu\u1ea9n m\u1edbi gi\u00fap ph\u00e2n lo\u1ea1i hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u m\u1eb7t \u0111\u01b0\u1eddng. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1edbi (D8239) cung c\u1ea5p c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t cho nh\u1ef1a \u0111\u01b0\u1eddng l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng c\u1ea7u \u0111\u01b0\u1eddng, \u00e1p d\u1ee5ng cho th\u1eed nghi\u1ec7m leo d\u1ed1c v\u00e0 ph\u1ee5c h\u1ed3i \u1ee9ng su\u1ea5t. C\u00e1c ph\u00e2n lo\u1ea1i \u0111\u00e1nh gi\u00e1 m\u1ed9t lo\u1ea1i nh\u1ef1a \u0111\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i: r\u1ea1n n\u1ee9t \u1edf nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u00e0 \u0111\u1ed9 b\u1ec1n trong m\u1ed9t ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u1ea3i tr\u1ecdng giao th\u00f4ng.<\/strong><\/span><\/p>\n

\"\"<\/p>\n

Th\u00e0nh vi\u00ean c\u1ee7a t\u1ed5 ch\u1ee9c Qu\u1ed1c t\u1ebf ASTM, Bob Kluttz, thu\u1ed9c t\u1eadp \u0111o\u00e0n Kraton Polymers th\u00ec ti\u00eau chu\u1ea9n n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c v\u1eadt li\u1ec7u l\u00e1t m\u1eb7t \u0111\u01b0\u1eddng b\u1edfi c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ec1n v\u1eefng c\u1ee7a nh\u1ef1a \u0111\u01b0\u1eddng. Kluttz cho bi\u1ebft th\u00eam r\u1eb1ng c\u00e1c k\u1ef9 s\u01b0 s\u1ebd ch\u1ec9 \u0111\u1ecbnh c\u00e1c m\u1ee9c hi\u1ec7u su\u1ea5t cho c\u00e1c d\u1ef1 \u00e1n c\u1ee7a h\u1ecd v\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t nh\u1ef1a \u0111\u01b0\u1eddng s\u1ebd s\u1eed d\u1ee5ng c\u00e1c th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n tr\u00ean c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd. C\u00e1c nh\u00e0 th\u1ea7u, c\u01a1 quan v\u00e0 ph\u00f2ng th\u1eed nghi\u1ec7m c\u1ee7a b\u00ean th\u1ee9 ba c\u0169ng s\u1ebd s\u1eed d\u1ee5ng ti\u00eau chu\u1ea9n \u0111\u1ec3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng.<\/span><\/p>\n

Ti\u00eau chu\u1ea9n m\u1edbi c\u1ee7a ASTM c\u00f3 m\u1ed9t ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (M32) \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 b\u1edfi Hi\u1ec7p h\u1ed9i c\u00e1c quan ch\u1ee9c giao th\u00f4ng v\u00e0 \u0111\u01b0\u1eddng cao t\u1ed1c qu\u1ed1c gia Hoa K\u1ef3. Theo \u00f4ng Kluttz, ASTM v\u00e0 AASHTO, th\u00f4ng qua s\u1ef1 h\u1ee3p t\u00e1c c\u1ee7a c\u00e1c nh\u00f3m chuy\u00ean gia c\u1ee7a C\u01a1 quan Qu\u1ea3n l\u00fd \u0110\u01b0\u1eddng cao t\u1ed1c Li\u00ean bang Hoa K\u1ef3, h\u1ee3p t\u00e1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n c\u1ea3 hai b\u1ed9 ti\u00eau chu\u1ea9n v\u00e0 gi\u1eef ch\u00fang \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n

Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 b\u1edfi \u1ee7y ban qu\u1ed1c t\u1ebf c\u1ee7a ASTM v\u1ec1 v\u1eadt li\u1ec7u l\u00e0m \u0111\u01b0\u1eddng v\u00e0 l\u00e1t \u0111\u01b0\u1eddng (D04).<\/span><\/p>\n

(Ngu\u1ed3n: Bi\u00ean d\u1ecbch theo\u00a0<\/strong>https:\/\/www.astm.org\/standardization-news\/?q=update\/new-standard-will-help-grade-performance-road-pavement-materials<\/a>)<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

G\u1ea7n \u0111\u00e2y, ASTM Qu\u1ed1c t\u1ebf \u0111\u00e3 cho ra \u0111\u1eddi m\u1ed9t ti\u00eau chu\u1ea9n m\u1edbi gi\u00fap ph\u00e2n lo\u1ea1i hi\u1ec7u su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u m\u1eb7t \u0111\u01b0\u1eddng. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt m\u1edbi (D8239) cung c\u1ea5p c\u00e1c ti\u00eau chu\u1ea9n hi\u1ec7u su\u1ea5t cho nh\u1ef1a \u0111\u01b0\u1eddng l\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng c\u1ea7u \u0111\u01b0\u1eddng, \u00e1p d\u1ee5ng cho th\u1eed nghi\u1ec7m leo d\u1ed1c […]<\/p>\n","protected":false},"author":1,"featured_media":43595,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[59,30],"tags":[],"acf":{"linh-vuc":"Ti\u00eau chu\u1ea9n"},"_links":{"self":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/43594"}],"collection":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/comments?post=43594"}],"version-history":[{"count":0,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/43594\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/media\/43595"}],"wp:attachment":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/media?parent=43594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/categories?post=43594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/tags?post=43594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}