{"id":17421,"date":"2023-05-22T00:00:00","date_gmt":"2023-05-21T17:00:00","guid":{"rendered":"https:\/\/xaydungtravinhgc.com\/cap-do-ben-be-tong\/"},"modified":"2023-05-22T00:00:00","modified_gmt":"2023-05-21T17:00:00","slug":"cap-do-ben-be-tong","status":"publish","type":"post","link":"https:\/\/travinhgc.com\/en\/cap-do-ben-be-tong\/","title":{"rendered":"C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng l\u00e0 g\u00ec? Nh\u1eefng \u0111i\u1ec1u m\u00e0 b\u1ea1n n\u00ean bi\u1ebft"},"content":{"rendered":"<p>C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng \u0111i\u1ec1u \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m khi ti\u1ebfn h\u00e0nh x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh. \u0110\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 kh\u00e1i ni\u1ec7m n\u00e0y, c\u00f9ng Tr\u00e0 Vinh GC xem qua n\u1ed9i dung b\u00e0i vi\u1ebft.<\/p>\n<h2><strong>Kh\u00e1i ni\u1ec7m c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng<\/strong><\/h2>\n<p>C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 gi\u00e1 tr\u1ecb trung b\u00ecnh th\u1ed1ng k\u00ea b\u1eb1ng c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n t\u1ee9c th\u1eddi. B\u00ean c\u1ea1nh \u0111\u00f3, \u0111\u00e2y c\u00f2n l\u00e0 ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a b\u00ea t\u00f4ng sau khi \u0111\u01b0\u1ee3c ph\u1ed1i tr\u1ed9n trong x\u00e2y d\u1ef1ng.<br \/>\nV\u00ed d\u1ee5 nh\u01b0, m\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo TCVN 5574 \u2013 1991 v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n c\u1ee7a b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo TCXDVN 356 \u2013 2005.<br \/>\nTh\u00f4ng th\u01b0\u1eddng, c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng th\u1ef1c ch\u1ea5t l\u00e0 con s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1eabu th\u1eed chu\u1ea9n. \u0110\u00e2y l\u00e0 d\u1ea1ng m\u1eabu th\u1eed c\u00f3 h\u00ecnh kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng, \u0111\u01b0\u1ee3c t\u00ednh theo \u0111\u01a1n v\u1ecb MPa.<br \/>\nTrong \u0111\u00f3:<\/p>\n<ul>\n<li>M: ch\u1eef vi\u1ebft t\u1eaft c\u1ee7a h\u1ed7n h\u1ee3p<\/li>\n<li>MPa: bi\u1ec3u th\u1ecb c\u01b0\u1eddng \u0111\u1ed9 t\u1ed5ng th\u1ec3<\/li>\n<\/ul>\n<figure id=\"attachment_3818\" aria-describedby=\"caption-attachment-3818\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-3818\" src=\"https:\/\/travinhgc.com\/wp-content\/uploads\/2024\/07\/Cap-do-ben-be-tong-1.png\" alt=\"c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng\" width=\"800\" height=\"500\" \/><figcaption id=\"caption-attachment-3818\" class=\"wp-caption-text\">C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn khi thi c\u00f4ng c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng<\/figcaption><\/figure>\n<p>Ng\u01b0\u1eddi ta k\u00fd hi\u1ec7u c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng b\u1eb1ng ch\u1eef B v\u00e0 c\u00f3 \u0111\u01a1n v\u1ecb t\u00ednh nh\u01b0 sau: <strong>1 Mpa = 10 kG\/cm2<\/strong><br \/>\nD\u1ef1a v\u00e0o ti\u00eau chu\u1ea9n m\u1edbi TCVN 5574:2018 c\u1ee7a Vi\u1ec7t Nam, c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 ph\u00e2n lo\u1ea1i b\u00ea t\u00f4ng s\u1ebd thay th\u1ebf cho k\u00fd hi\u1ec7u m\u00e1c b\u00ea t\u00f4ng &#8211; M.<br \/>\nTheo TCVN 5574:2018, \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng s\u1ebd \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c c\u1eadp nh\u01b0 sau:<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\"><b>C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B3.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B7.5<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B10<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B20<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B25<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B30<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B35<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B40<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B45<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B50<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B55<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B60<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><strong>M\u1ed1i li\u00ean h\u1ec7 c\u1ee7a c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng v\u1edbi m\u00e1c b\u00ea t\u00f4ng<\/strong><\/h2>\n<p>Th\u1ef1c t\u1ebf, kh\u00e1i ni\u1ec7m \u201cm\u00e1c b\u00ea t\u00f4ng&#8221; hi\u1ec7n nay v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u trong c\u00e1c b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt. Ngo\u00e0i ra, m\u00e1c b\u00ea t\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 l\u00e0m c\u0103n c\u1ee9 t\u00ednh to\u00e1n v\u1eadt li\u1ec7u trong vi\u1ec7c thanh quy\u1ebft to\u00e1n cho c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n<figure id=\"attachment_3819\" aria-describedby=\"caption-attachment-3819\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-3819\" src=\"https:\/\/travinhgc.com\/wp-content\/uploads\/2024\/07\/Cap-do-ben-be-tong-2.png\" alt=\"c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng\" width=\"800\" height=\"500\" \/><figcaption id=\"caption-attachment-3819\" class=\"wp-caption-text\">Hi\u1ec7n nay \u1edf Vi\u1ec7t Nam, ng\u01b0\u1eddi ta v\u1eabn \u1ee9ng d\u1ee5ng hai kh\u00e1i ni\u1ec7m c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng v\u00e0 m\u00e1c b\u00ea t\u00f4ng trong x\u00e2y d\u1ef1ng<\/figcaption><\/figure>\n<p>Theo \u0111\u00f3, m\u1ed1i li\u00ean h\u1ec7 gi\u1eefa c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng v\u00e0 m\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n th\u00f4ng qua c\u00f4ng th\u1ee9c nh\u01b0 sau: <strong>B = \u03b1\u03b2M<\/strong><br \/>\nTrong \u0111\u00f3:<\/p>\n<ul>\n<li>\u03b1: h\u1ec7 s\u1ed1 \u0111\u1ed5i \u0111\u01a1n v\u1ecb t\u1eeb kG\/m2 sang \u0111\u01a1n v\u1ecb MPa (c\u00f3 th\u1ec3 l\u1ea5y \u03b1 = 0,1)<\/li>\n<li>\u03b2: h\u1ec7 s\u1ed1 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i t\u1eeb c\u01b0\u1eddng \u0111\u1ed9 trung b\u00ecnh sang c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1eb7c tr\u01b0ng v\u1edbi v = 0,135, suy ra \u03b2 = (1 &#8211; Sv) = 0,778<\/li>\n<\/ul>\n<h2><strong>B\u1ea3ng quy \u0111\u1ed5i v\u1ec1 gi\u00e1 tr\u1ecb c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng v\u00e0 m\u00e1c b\u00ea t\u00f4ng<\/strong><\/h2>\n<p>T\u1ea1i Vi\u1ec7t Nam, ng\u01b0\u1eddi ta v\u1eabn th\u01b0\u1eddng hay s\u1eed d\u1ee5ng c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng v\u00e0 m\u00e1c b\u00ea t\u00f4ng d\u1ef1a theo b\u1ea3ng quy \u0111\u1ed5i v\u1ec1 gi\u00e1 tr\u1ecb sau \u0111\u00e2y:<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\"><b>C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng<\/b><\/p>\n<\/td>\n<td style=\"text-align: center;\"><b>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n<\/b><\/td>\n<td style=\"text-align: center;\"><b>M\u00e1c b\u00ea t\u00f4ng<\/b><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B3.5<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">4.5<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">50<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B5<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">6.42<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">75<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B7.5<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">9.63<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">100<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B10<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">12.84<\/span><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B12.5<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">16.05<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">150<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B15<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">19.27<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">200<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B20<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">25.69<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">250<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B22.5<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">28.90<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">300<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B25<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">32.11<\/span><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B27.5<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">35.32<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">350<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B30<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">38.53<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">400<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B35<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">44.95<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">450<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B40<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">51.37<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">500<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B45<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">57.80<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">600<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B50<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">64.22<\/span><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B55<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">70.64<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">700<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B60<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">77.06<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">800<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B65<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">83.48<\/span><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B70<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">89.90<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">900<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">B75<\/span><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">96.33<\/span><\/td>\n<td style=\"text-align: center;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">B80<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">102.75<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">1000<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><strong>Tham kh\u1ea3o c\u00e1ch ch\u1ecdn c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng ph\u00f9 h\u1ee3p<\/strong><\/h2>\n<p>D\u1ef1a v\u00e0o y\u00eau c\u1ea7u c\u1ee7a k\u1ebft c\u1ea5u thi\u1ebft k\u1ebf, ng\u01b0\u1eddi ta s\u1ebd ch\u1ecdn \u0111\u01b0\u1ee3c c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng trong c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng. Trong \u0111\u00f3, g\u1ed3m c\u00f3 hai lo\u1ea1i b\u00ea t\u00f4ng \u0111\u00f3 l\u00e0 h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng danh ngh\u0129a v\u00e0 b\u00ea t\u00f4ng h\u1ed7n h\u1ee3p thi\u1ebft k\u1ebf. Chi ti\u1ebft nh\u01b0 sau:<\/p>\n<figure id=\"attachment_3820\" aria-describedby=\"caption-attachment-3820\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-3820\" src=\"https:\/\/travinhgc.com\/wp-content\/uploads\/2024\/07\/Cap-do-ben-be-tong-3.png\" alt=\"c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng\" width=\"800\" height=\"500\" \/><figcaption id=\"caption-attachment-3820\" class=\"wp-caption-text\">\u0110\u1ed9 b\u1ec1n c\u1ee7a b\u00ea t\u00f4ng s\u1ebd d\u1ef1a v\u00e0o y\u00eau c\u1ea7u thi\u1ebft k\u1ebf c\u1ee7a c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng<\/figcaption><\/figure>\n<ul>\n<li>B\u00ea t\u00f4ng tr\u1ed9n danh ngh\u0129a: L\u00e0 lo\u1ea1i b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n b\u1eb1ng th\u1ee7 c\u00f4ng, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng c\u00f3 quy m\u00f4 nh\u1ecf ho\u1eb7c nh\u1eefng khu v\u1ef1c ti\u00eau th\u1ee5 b\u00ea t\u00f4ng th\u1ea5p.<\/li>\n<li>B\u00ea t\u00f4ng tr\u1ed9n thi\u1ebft k\u1ebf: L\u00e0 lo\u1ea1i b\u00ea t\u00f4ng t\u01b0\u01a1i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf ph\u00f2ng th\u00ed nghi\u1ec7m, c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m. B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c s\u1eed d\u1ee5ng b\u00ea t\u00f4ng tr\u1ed9n theo thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t trong qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, tr\u1ed9n, v\u1eadn chuy\u1ec3n v\u00e0 \u0111\u1ed5 b\u00ea t\u00f4ng. Hi\u1ec7n, lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng c\u00f3 quy m\u00f4 l\u1edbn, t\u00ednh kinh t\u1ebf cao.<\/li>\n<\/ul>\n<h2><strong>Quy \u0111\u1ecbnh v\u1ec1 l\u1ea5y m\u1eabu b\u00ea t\u00f4ng<\/strong><\/h2>\n<p>Theo TCVN 4453-1995, vi\u1ec7c l\u1ea5y m\u1eabu b\u00ea t\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh nh\u01b0 sau:<\/p>\n<ul>\n<li>Nh\u1eefng m\u1eabu ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c thu th\u1eadp t\u1ea1i khu v\u1ef1c \u0111\u1ed5 b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo theo TCVN 3105:1993.<\/li>\n<li>Nh\u1eefng m\u1eabu th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng s\u1ebd l\u1ea5y theo t\u1eebng t\u1ed5, c\u1ee5 th\u1ec3 m\u1ed7i t\u1ed5 s\u1ebd g\u1ed3m ba vi\u00ean m\u1eabu \u0111\u01b0\u1ee3c l\u1ea5y c\u00f9ng l\u00fac, c\u00f9ng ch\u1ed7 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh theo TCVN 3105:1993. Theo \u0111\u00f3, s\u1ed1 l\u01b0\u1ee3ng m\u1eabu \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 sau \u0111\u00e2y:<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\"><b>M\u1eabu<\/b><\/p>\n<\/td>\n<td>\n<p style=\"text-align: center;\"><b>Quy \u0111\u1ecbnh<\/b><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng kh\u1ed1i l\u1edbn\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; 500m3 l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu khi kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng tr\u00f4ng m\u1ed9t kh\u1ed1i l\u1edbn h\u01a1n 1000m3<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; 250m3 l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu khi kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng tr\u00f4ng m\u1ed9t kh\u1ed1i \u0111\u1ed5 d\u01b0\u1edbi 1000m3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00e1c m\u00f3ng l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">100m3 b\u00ea t\u00f4ng l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu nh\u01b0ng \u00edt h\u01a1n m\u1ed9t t\u1ed5 m\u1eabu cho m\u1ed9t kh\u1ed1i m\u00f3ng<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng m\u00f3ng c\u1ee7a b\u1ec7 m\u00e1y c\u00f3 kh\u1ed1i \u0111\u1ed5 l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">50m3 l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu trong tr\u01b0\u1eddng h\u1ee3p kh\u1ed1i l\u01b0\u1ee3ng \u00edt h\u01a1n 50m3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Khung v\u00e0 c\u00e1c k\u1ebft c\u1ea5u m\u00f3ng (g\u1ed3m c\u00f3 c\u1ed9t, d\u1ea7m, b\u1ea3n, v\u00f2m\u2026)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">20m3 b\u00ea t\u00f4ng l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng c\u00e1c k\u1ebft c\u1ea5u \u0111\u01a1n chi\u1ebfc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">B\u00ea t\u00f4ng n\u1ec1n, m\u1eb7t \u0111\u01b0\u1eddng (g\u1ed3m c\u00f3 \u0111\u01b0\u1eddng \u00f4 t\u00f4, \u0111\u01b0\u1eddng b\u0103ng\u2026)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">200m3 b\u00ea t\u00f4ng l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Ki\u1ec3m tra m\u1ee9c \u0111\u1ed9 ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc c\u1ee7a b\u00ea t\u00f4ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">500m3 l\u1ea5y m\u1ed9t t\u1ed5 m\u1eabu<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>T\u1ed5ng k\u1ebft<\/strong><\/h2>\n<p>Hy v\u1ecdng qua nh\u1eefng chia s\u1ebb tr\u00ean \u0111\u00e2y c\u1ee7a <a href=\"https:\/\/travinhgc.com\/\">C\u00f4ng ty X\u00e2y d\u1ef1ng Tr\u00e0 Vinh GC<\/a> s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u h\u01a1n v\u1ec1 kh\u00e1i ni\u1ec7m v\u00e0 c\u00e1c th\u00f4ng tin li\u00ean quan c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng. Ngo\u00e0i ra, c\u00e1c b\u1ea1n c\u0169ng \u0111\u1eebng qu\u00ean truy c\u1eadp v\u00e0o chuy\u00ean m\u1ee5c <a href=\"https:\/\/travinhgc.com\/category\/goc-chia-se\/\">G\u00f3c chia s\u1ebb<\/a> c\u1ee7a Tr\u00e0 Vinh GC \u0111\u1ec3 tham kh\u1ea3o th\u00eam nhi\u1ec1u th\u00f4ng tin h\u1eefu \u00edch v\u1ec1 x\u00e2y d\u1ef1ng, thi\u1ebft k\u1ebf.<\/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\/cap-do-ben-be-tong\/\"\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>C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng \u0111i\u1ec1u \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi quan t\u00e2m khi ti\u1ebfn h\u00e0nh x\u00e2y d\u1ef1ng c\u00f4ng tr\u00ecnh. \u0110\u1ec3 hi\u1ec3u h\u01a1n v\u1ec1 kh\u00e1i ni\u1ec7m n\u00e0y, c\u00f9ng Tr\u00e0 Vinh GC xem qua n\u1ed9i dung b\u00e0i vi\u1ebft. Kh\u00e1i ni\u1ec7m c\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 gi\u00e1&#8230;<\/p>\n","protected":false},"author":2,"featured_media":17423,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106,109],"tags":[],"class_list":["post-17421","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>C\u1ea5p \u0111\u1ed9 b\u1ec1n b\u00ea t\u00f4ng l\u00e0 g\u00ec? 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