{"id":17326,"date":"2023-06-24T00:00:00","date_gmt":"2023-06-23T17:00:00","guid":{"rendered":"https:\/\/xaydungtravinhgc.com\/tieu-chuan-ket-cau-be-tong-cot-thep-xay-dung\/"},"modified":"2023-06-24T00:00:00","modified_gmt":"2023-06-23T17:00:00","slug":"tieu-chuan-ket-cau-be-tong-cot-thep-xay-dung","status":"publish","type":"post","link":"https:\/\/travinhgc.com\/en\/tieu-chuan-ket-cau-be-tong-cot-thep-xay-dung\/","title":{"rendered":"Ti\u00eau chu\u1ea9n k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p trong x\u00e2y d\u1ef1ng"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o n\u00ean nh\u1eefng c\u00f4ng tr\u00ecnh v\u1eefng ch\u1eafc. Thanh c\u1ed1t th\u00e9p ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c l\u1edbn, trong khi b\u00ea t\u00f4ng c\u1ed1t l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y t\u1ed1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. \u0110\u1ec3 t\u00ecm hi\u1ec3u chi ti\u1ebft h\u01a1n, Tr\u00e0 Vinh GC s\u1ebd cung c\u1ea5p cho b\u1ea1n c\u00e1c th\u00f4ng tin v\u1ec1 kh\u00e1i ni\u1ec7m, ph\u00e2n lo\u1ea1i v\u00e0 ti\u00eau chu\u1ea9n quan tr\u1ecdng khi \u0111\u00e1nh gi\u00e1 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p trong b\u00e0i vi\u1ebft n\u00e0y.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p l\u00e0 g\u00ec?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong ng\u00e0nh x\u00e2y d\u1ef1ng. N\u00f3 l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa b\u00ea t\u00f4ng v\u00e0 th\u00e9p nh\u1eb1m t\u1ea1o ra m\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ecbu l\u1ef1c ch\u1eafc ch\u1eafn v\u00e0 \u1ed5n \u0111\u1ecbnh.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng l\u00e0 v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a xi m\u0103ng, c\u00e1t, \u0111\u00e1, n\u01b0\u1edbc v\u00e0 c\u00e1c ph\u1ee5 gia. Sau khi kh\u00f4, n\u00f3 c\u00f3 t\u00ednh ch\u1ea5t c\u1ee9ng nh\u01b0 \u0111\u00e1 v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n cao. Tuy nhi\u00ean, b\u00ea t\u00f4ng l\u1ea1i c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu k\u00e9o k\u00e9m v\u00e0 d\u1ec5 b\u1ecb v\u1ee1 do \u00e1p l\u1ef1c.\u00a0<\/span><\/p>\n<figure id=\"attachment_4433\" aria-describedby=\"caption-attachment-4433\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-4433\" src=\"https:\/\/travinhgc.com\/wp-content\/uploads\/2024\/07\/ket-cau-be-tong-cot-thep-1.jpg\" alt=\"k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p\" width=\"800\" height=\"479\" \/><figcaption id=\"caption-attachment-4433\" class=\"wp-caption-text\">C\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o c\u1ea5u tr\u00fac b\u00ea t\u00f4ng \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 kh\u1eafc ph\u1ee5c nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00e0y, c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o t\u1ea1o n\u00ean s\u1ef1 k\u1ebft h\u1ee3p v\u1eefng ch\u1eafc \u0111\u1ec3 b\u1ec1n v\u1eefng h\u01a1n t\u00e1c \u0111\u1ed9ng t\u1eeb b\u00ean ngo\u00e0i. C\u00e1ch k\u1ebft n\u1ed1i gi\u1eefa b\u00ea t\u00f4ng v\u00e0 c\u1ed1t th\u00e9p c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u00f4ng qua b\u1ed1n ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ef1c h\u1ea5p ph\u1ee5 h\u00f3a h\u1ecdc: \u0110\u00e2y l\u00e0 l\u1ef1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa thanh th\u00e9p v\u00e0 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u00ea t\u00f4ng, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1ef1c xi m\u0103ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ma s\u00e1t: B\u00ea t\u00f4ng co l\u1ea1i v\u00e0 thanh th\u00e9p \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t \u0111\u1ec3 t\u1ea1o ra s\u1ef1 ma s\u00e1t gi\u1eefa hai v\u1eadt li\u1ec7u, gi\u00fap c\u1ea3i thi\u1ec7n s\u1ef1 k\u1ebft n\u1ed1i v\u00e0 ch\u1ecbu t\u1ea3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">L\u1ef1c kh\u1edbp: S\u1ef1 t\u1eafc c\u01a1 h\u1ecdc x\u1ea3y ra gi\u1eefa b\u1ec1 m\u1eb7t kh\u00f4ng ho\u00e0n to\u00e0n ph\u1eb3ng c\u1ee7a thanh th\u00e9p v\u00e0 b\u00ea t\u00f4ng, g\u1ecdi l\u00e0 l\u1ef1c kh\u1edbp. \u0110\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ea3m b\u1ea3o s\u1ef1 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd gi\u1eefa ch\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u1ed1: \u0110\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng neo v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u1ee7a k\u1ebft c\u1ea5u, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 th\u00eam m\u00f3c, u\u1ed1n cong ho\u1eb7c h\u00e0n c\u00e1c thanh c\u1ed1t th\u00e9p ng\u1eafn v\u00e0 c\u00e1c g\u00f3c t\u1ea1i khu v\u1ef1c neo.\u00a0<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u1ed1t th\u00e9p to\u00e0n kh\u1ed1i<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u1ed1t th\u00e9p to\u00e0n kh\u1ed1i \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p v\u00e1n khu\u00f4n, \u0111\u1eb7t c\u1ed1t th\u00e9p v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng tr\u1ef1c ti\u1ebfp t\u1ea1i v\u1ecb tr\u00ed thi\u1ebft k\u1ebf c\u1ee7a c\u1ea5u ki\u1ec7n k\u1ebft c\u1ea5u.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m c\u1ee7a lo\u1ea1i b\u00ea t\u00f4ng c\u1ed1t th\u00e9p n\u00e0y bao g\u1ed3m \u0111\u1ed9 c\u1ee9ng l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c \u0111\u1ed9ng t\u1ed1t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 y\u00eau c\u1ea7u v\u1eadt li\u1ec7u t\u1ed1t cho vi\u1ec7c l\u00e0m v\u00e1n khu\u00f4n v\u00e0 c\u1ed9t ch\u1ed1ng. Ngo\u00e0i ra, n\u00f3 c\u0169ng d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u1eddi ti\u1ebft khi thi c\u00f4ng ngo\u00e0i tr\u1eddi.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_4434\" aria-describedby=\"caption-attachment-4434\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-4434\" src=\"https:\/\/travinhgc.com\/wp-content\/uploads\/2024\/07\/ket-cau-be-tong-cot-thep-2.jpg\" alt=\"k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p\" width=\"800\" height=\"500\" \/><figcaption id=\"caption-attachment-4434\" class=\"wp-caption-text\">K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p to\u00e0n kh\u1ed1i c\u00f3 \u0111\u1ed9 c\u1ee9ng l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c \u0111\u1ed9ng t\u1ed1t.<\/figcaption><\/figure>\n<h3><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u1ed1t th\u00e9p l\u1eafp gh\u00e9p<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u1ed1t th\u00e9p l\u1eafp gh\u00e9p \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c c\u1ea5u ki\u1ec7n k\u1ebft c\u1ea5u ri\u00eang bi\u1ec7t \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1ea1i nh\u00e0 m\u00e1y ho\u1eb7c s\u00e2n b\u00e3i. Sau \u0111\u00f3, ch\u00fang \u0111\u01b0\u1ee3c v\u1eadn chuy\u1ec3n \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng v\u00e0 l\u1eafp gh\u00e9p b\u1eb1ng c\u1ea7n c\u1ea9u \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t k\u1ebft c\u1ea5u ho\u00e0n ch\u1ec9nh t\u1ea1i v\u1ecb tr\u00ed thi\u1ebft k\u1ebf.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m c\u1ee7a lo\u1ea1i b\u00ea t\u00f4ng c\u1ed1t th\u00e9p n\u00e0y l\u00e0 ti\u1ebft ki\u1ec7m v\u1eadt li\u1ec7u cho vi\u1ec7c l\u00e0m v\u00e1n khu\u00f4n v\u00e0 c\u1ed9t ch\u1ed1ng, \u0111\u1ed3ng th\u1eddi kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u1eddi ti\u1ebft do vi\u1ec7c thi c\u00f4ng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n t\u1ea1i nh\u00e0 m\u00e1y ho\u1eb7c s\u00e2n b\u00e3i.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 vi\u1ec7c thi c\u00f4ng gh\u00e9p n\u1ed1i c\u00e1c c\u1ea5u ki\u1ec7n th\u01b0\u1eddng kh\u00f3 kh\u0103n v\u00e0 t\u1ed1n nhi\u1ec1u v\u1eadt li\u1ec7u th\u00e9p.<\/span><\/li>\n<\/ul>\n<h3><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u1ed1t th\u00e9p n\u1eeda l\u1eafp gh\u00e9p<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u1ed1t th\u00e9p n\u1eeda l\u1eafp gh\u00e9p \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p gi\u1eefa ph\u01b0\u01a1ng ph\u00e1p l\u1eafp gh\u00e9p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u00ea t\u00f4ng to\u00e0n kh\u1ed1i.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u01afu \u0111i\u1ec3m c\u1ee7a lo\u1ea1i b\u00ea t\u00f4ng c\u1ed1t th\u00e9p n\u00e0y bao g\u1ed3m \u0111\u1ed9 c\u1ee9ng cao, gi\u1ea3m thi\u1ec3u s\u1eed d\u1ee5ng v\u00e1n khu\u00f4n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf c\u1ed9t ch\u1ed1ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 vi\u1ec7c thi c\u00f4ng v\u00e0 gh\u00e9p n\u1ed1i c\u00e1c c\u1ea5u ki\u1ec7n c\u00f3 ph\u1ea7n ph\u1ee9c t\u1ea1p, \u0111\u1eb7c bi\u1ec7t l\u00e0 vi\u1ec7c \u0111\u1ea3m b\u1ea3o m\u1ed1i n\u1ed1i t\u1ed1t gi\u1eefa b\u00ea t\u00f4ng \u0111\u1ed5 tr\u01b0\u1edbc v\u00e0 b\u00ea t\u00f4ng \u0111\u1ed5 sau.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n v\u1ec1 c\u1ed1t th\u00e9p<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch c\u00e1c lo\u1ea1i c\u1ed1t th\u00e9p ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong b\u00ea t\u00f4ng c\u1ed1t th\u00e9p v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng cho m\u1ed7i lo\u1ea1i:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00e9p thanh c\u00e1n n\u00f3ng tr\u01a1n, \u0111\u01b0\u1eddng k\u00ednh 6mm &#8211; 40mm theo TCVN 1651-1:2008.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00e9p thanh c\u00e1n n\u00f3ng c\u00f3 g\u00e2n, \u0111\u01b0\u1eddng k\u00ednh 6mm &#8211; 50mm theo TCVN 1651-2:2018.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Th\u00e9p thanh gia c\u00f4ng c\u01a1 nhi\u1ec7t, \u0111\u01b0\u1eddng k\u00ednh 15mm &#8211; 40mm theo TCVN 6284-5:1997 (ISO 6934-5:1991).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e3y th\u00e9p vu\u1ed1t ngu\u1ed9i, \u0111\u01b0\u1eddng k\u00ednh 5mm &#8211; 12mm theo TCVN 6288:1997 (ISO 10544:1992).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">D\u00e2y th\u00e9p k\u00e9o ngu\u1ed9i, \u0111\u01b0\u1eddng k\u00ednh 2,5mm &#8211; 12,2mm theo TCVN 6284-2:1997 (ISO 6394-2:1991).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1p 7 s\u1ee3i ho\u1eb7c 19 s\u1ee3i, \u0111\u01b0\u1eddng k\u00ednh 9,3mm &#8211; 21,8mm theo TCVN 6284-4:1997 (ISO 6934-4:1991). C\u00e1p c\u00f3 th\u1ec3 c\u00f3 b\u1ec1 m\u1eb7t tr\u01a1n, c\u00f3 g\u00e2n, l\u1ed3i l\u00f5m (v\u1ebft \u1ea5n) ho\u1eb7c \u0111\u01b0\u1ee3c n\u00e9n ch\u1eb7t t\u1eeb d\u00e2y th\u00e9p tr\u01a1n.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft c\u1ea5u c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh ch\u1ee7 y\u1ebfu th\u00f4ng qua c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu k\u00e9o c\u1ee7a n\u00f3. C\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu k\u00e9o c\u1ee7a c\u1ed1t th\u00e9p ph\u1ea3i \u0111\u1ea3m b\u1ea3o gi\u00e1 tr\u1ecb c\u1ee7a gi\u1edbi h\u1ea1n ch\u1ea3y th\u1ef1c t\u1ebf ho\u1eb7c quy \u01b0\u1edbc, k\u1ebft h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb \u1ee9ng su\u1ea5t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi \u0111\u1ed9 gi\u00e3n d\u00e0i d\u01b0 t\u01b0\u01a1ng \u0111\u1ed1i 0,1% ho\u1eb7c 0,2%. X\u00e1c su\u1ea5t \u0111\u1ea3m b\u1ea3o kh\u00f4ng &lt; 0.95 theo c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng b\u1ed5 sung nh\u01b0 t\u00ednh h\u00e0n, t\u00ednh d\u1ebbo, t\u00ednh ch\u1ecbu l\u1ea1nh, t\u00ednh ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1eb7c t\u00ednh li\u00ean quan \u0111\u1ebfn s\u1ef1 b\u00e1m d\u00ednh v\u1edbi b\u00ea t\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh th\u00eam trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ea7n thi\u1ebft.<\/span><\/p>\n<figure id=\"attachment_4436\" aria-describedby=\"caption-attachment-4436\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-4436\" src=\"https:\/\/travinhgc.com\/wp-content\/uploads\/2024\/07\/ket-cau-be-tong-cot-thep-4.jpg\" alt=\"k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p\" width=\"800\" height=\"500\" \/><figcaption id=\"caption-attachment-4436\" class=\"wp-caption-text\">Ch\u1ea5t l\u01b0\u1ee3ng c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh ch\u1ee7 y\u1ebfu th\u00f4ng qua c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu k\u00e9o c\u1ee7a n\u00f3.<\/figcaption><\/figure>\n<h3><span style=\"font-weight: 400;\">Ti\u00eau chu\u1ea9n v\u1ec1 b\u00ea t\u00f4ng<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Trong thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, c\u00e1c lo\u1ea1i b\u00ea t\u00f4ng v\u00e0 t\u01b0\u1eddng b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ph\u00f9 h\u1ee3p bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng n\u1eb7ng: Bao g\u1ed3m b\u00ea t\u00f4ng t\u1ef1 \u1ee9ng su\u1ea5t v\u00e0 b\u00ea t\u00f4ng thu\u1ef7 c\u00f4ng, c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch trung b\u00ecnh t\u1eeb 2.200 kg\/m3 \u0111\u1ebfn 2.500 kg\/m3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng h\u1ea1t nh\u1ecf: C\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch trung b\u00ecnh t\u1eeb 1.800 kg\/m3 \u0111\u1ebfn 2.200 kg\/m3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng nh\u1eb9 (b\u00ea t\u00f4ng b\u1ecdt kh\u00ed): C\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch trung b\u00ecnh t\u1eeb 800 kg\/m3 \u0111\u1ebfn 1.400 kg\/m3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng t\u1ed5 ong: C\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch trung b\u00ecnh t\u1eeb 500 kg\/m3 \u0111\u1ebfn 1,200 kg\/m3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Quy \u0111\u1ecbnh v\u1ec1 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p v\u00e0 c\u00e1c ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng li\u00ean quan \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t trong qu\u00e1 tr\u00ecnh thi c\u00f4ng c\u00f4ng tr\u00ecnh. C\u00e1c ch\u1ec9 ti\u00eau ch\u1ea5t l\u01b0\u1ee3ng quy \u0111\u1ecbnh bao g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n B.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu k\u00e9o d\u1ecdc tr\u1ee5c Bt.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e1c ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc W.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e1c kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch trung b\u00ecnh D.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e1c t\u1ef1 \u1ee9ng su\u1ea5t Sp.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u00ea t\u00f4ng h\u1ea1t nh\u1ecf trong k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p ch\u1ecbu t\u1ea3i tr\u1ecdng l\u1eb7p l\u1ea1i nhi\u1ec1u l\u1ea7n v\u00e0 trong c\u00e1c k\u1ebft c\u1ea5u t\u1ef1 \u1ee9ng su\u1ea5t c\u00f3 nh\u1ecbp l\u1edbn h\u01a1n 12m v\u1edbi c\u1ed1t th\u00e9p b\u1eb1ng d\u00e2y k\u00e9o ngu\u1ed9i v\u00e0 c\u00e1p. C\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n c\u1ee7a b\u00ea t\u00f4ng h\u1ea1t nh\u1ecf kh\u00f4ng nh\u1ecf h\u01a1n B20, v\u00e0 khi s\u1eed d\u1ee5ng b\u00ea t\u00f4ng n\u00e0y \u0111\u1ec3 b\u01a1m qua \u1ed1ng l\u1ed3ng, c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n kh\u00f4ng nh\u1ecf h\u01a1n B25.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&gt;&gt;&gt; Xem th\u00eam: <\/span><a href=\"https:\/\/travinhgc.com\/cap-do-ben-be-tong\/\"><span style=\"font-weight: 400;\">C\u1ea5p \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u00ea t\u00f4ng<\/span><\/a><\/p>\n<h2><span style=\"font-weight: 400;\">K\u1ebft lu\u1eadn<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Hy v\u1ecdng r\u1eb1ng nh\u1eefng th\u00f4ng tin trong b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 mang l\u1ea1i gi\u00e1 tr\u1ecb v\u00e0 ki\u1ebfn th\u1ee9c h\u1eefu \u00edch v\u1ec1 k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p. N\u1ebfu b\u1ea1n mu\u1ed1n kh\u00e1m ph\u00e1 th\u00eam nhi\u1ec1u th\u00f4ng tin th\u00fa v\u1ecb v\u1ec1 l\u0129nh v\u1ef1c x\u00e2y d\u1ef1ng, h\u00e3y truy c\u1eadp ngay trang web c\u1ee7a <\/span><a href=\"https:\/\/travinhgc.com\/\"><span style=\"font-weight: 400;\">Tr\u00e0 Vinh GC<\/span><\/a><span style=\"font-weight: 400;\">. Ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p cho b\u1ea1n nh\u1eefng n\u1ed9i dung \u0111a d\u1ea1ng v\u00e0 chuy\u00ean s\u00e2u v\u1ec1 x\u00e2y d\u1ef1ng, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1c kh\u00eda c\u1ea1nh quan tr\u1ecdng trong ng\u00e0nh n\u00e0y.<\/span><\/p>\n<p>&nbsp;<\/p>\n<div class=\"fb-background-color\">\n\t\t\t  <div \n\t\t\t  \tclass = \"fb-comments\" \n\t\t\t  \tdata-href = \"https:\/\/travinhgc.com\/en\/tieu-chuan-ket-cau-be-tong-cot-thep-xay-dung\/\"\n\t\t\t  \tdata-numposts = \"10\"\n\t\t\t  \tdata-lazy = \"true\"\n\t\t\t\tdata-colorscheme = \"light\"\n\t\t\t\tdata-order-by = \"reverse_time\"\n\t\t\t\tdata-mobile=true>\n\t\t\t  <\/div><\/div>\n\t\t  <style>\n\t\t    .fb-background-color {\n\t\t\t\tbackground: #fafafc !important;\n\t\t\t}\n\t\t\t.fb_iframe_widget_fluid_desktop iframe {\n\t\t\t    width: 100% !important;\n\t\t\t}\n\t\t  <\/style>\n\t\t  ","protected":false},"excerpt":{"rendered":"<p>K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o n\u00ean nh\u1eefng c\u00f4ng tr\u00ecnh v\u1eefng ch\u1eafc. Thanh c\u1ed1t th\u00e9p ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c l\u1edbn, trong khi b\u00ea t\u00f4ng c\u1ed1t l\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u00e1y t\u1ed1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed. \u0110\u1ec3 t\u00ecm hi\u1ec3u chi ti\u1ebft h\u01a1n, Tr\u00e0 Vinh GC s\u1ebd&#8230;<\/p>\n","protected":false},"author":2,"featured_media":17328,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106,109],"tags":[],"class_list":["post-17326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-en","category-goc-chia-se-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ti\u00eau chu\u1ea9n k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p trong x\u00e2y d\u1ef1ng - Tr\u00e0 Vinh GC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/travinhgc.com\/tieu-chuan-ket-cau-be-tong-cot-thep-xay-dung\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ti\u00eau chu\u1ea9n k\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p trong x\u00e2y d\u1ef1ng - Tr\u00e0 Vinh GC\" \/>\n<meta property=\"og:description\" content=\"K\u1ebft c\u1ea5u b\u00ea t\u00f4ng c\u1ed1t th\u00e9p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ea1o n\u00ean nh\u1eefng c\u00f4ng tr\u00ecnh v\u1eefng ch\u1eafc. 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