{"id":8819,"date":"2025-05-31T09:43:31","date_gmt":"2025-05-31T02:43:31","guid":{"rendered":"https:\/\/dufago.com.vn\/?p=8819"},"modified":"2026-08-18T17:09:26","modified_gmt":"2026-08-18T10:09:26","slug":"kiem-tra-cuong-do-chiu-nen-be-tong-2025","status":"publish","type":"post","link":"https:\/\/dufago.com.vn\/en\/kiem-tra-cuong-do-chiu-nen-be-tong-2025\/","title":{"rendered":"C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng: C\u00e1ch ki\u1ec3m tra, \u0111\u1ecdc k\u1ebft qu\u1ea3 v\u00e0 x\u1eed l\u00fd khi kh\u00f4ng \u0111\u1ea1t"},"content":{"rendered":"<p data-start=\"411\" data-end=\"631\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a b\u00ea t\u00f4ng ch\u1ed1ng l\u1ea1i t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c n\u00e9n tr\u01b0\u1edbc khi b\u1ecb ph\u00e1 ho\u1ea1i. Ch\u1ec9 ti\u00eau n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch th\u1eed n\u00e9n m\u1eabu b\u00ea t\u00f4ng theo quy tr\u00ecnh ti\u00eau chu\u1ea9n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng MPa.<\/span><\/strong><\/p>\n<p data-start=\"633\" data-end=\"929\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 b\u00ea t\u00f4ng c\u00f3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u hay kh\u00f4ng, kh\u00f4ng th\u1ec3 ch\u1ec9 l\u1ea5y m\u1ed9t con s\u1ed1 tr\u00ean phi\u1ebfu th\u00ed nghi\u1ec7m so s\u00e1nh tr\u1ef1c ti\u1ebfp v\u1edbi t\u00ean m\u00e1c. C\u1ea7n xem x\u00e9t tu\u1ed5i m\u1eabu, k\u1ebft qu\u1ea3 c\u1ee7a t\u1ed5 m\u1eabu, quy tr\u00ecnh l\u1ea5y v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u1eabu, y\u00eau c\u1ea7u trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf v\u00e0 khi c\u1ea7n thi\u1ebft l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 th\u1ef1c t\u1ebf tr\u00ean k\u1ebft c\u1ea5u.<\/span><\/strong><\/p>\n<h2><span style=\"font-family: arial, helvetica, sans-serif;\"><strong><span style=\"color: #333399;\">C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n c\u1ee7a b\u00ea t\u00f4ng (fc) l\u00e0 g\u00ec?<\/span><\/strong><\/span><\/h2>\n<p data-start=\"972\" data-end=\"1196\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n th\u1ec3 hi\u1ec7n m\u1ee9c \u1ee9ng su\u1ea5t n\u00e9n m\u00e0 m\u1eabu b\u00ea t\u00f4ng c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb ph\u00e1 ho\u1ea1i. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ch\u1ec9 ti\u00eau quan tr\u1ecdng d\u00f9ng \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng v\u00e0 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf.<\/span><\/p>\n<figure id=\"attachment_8841\" aria-describedby=\"caption-attachment-8841\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-8841\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-5.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-5.jpg 800w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-5-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-5-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-5-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-5-750x563.jpg 750w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-8841\" class=\"wp-caption-text\">C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng<\/figcaption><\/figure>\n<p data-start=\"1198\" data-end=\"1246\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">K\u1ebft qu\u1ea3 ch\u1ecbu n\u00e9n ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0:<\/span><\/p>\n<ul data-start=\"1248\" data-end=\"1530\">\n<li data-start=\"1248\" data-end=\"1284\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Th\u00e0nh ph\u1ea7n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u.<\/span><\/li>\n<li data-start=\"1285\" data-end=\"1315\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; T\u1ef7 l\u1ec7 n\u01b0\u1edbc v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh.<\/span><\/li>\n<li data-start=\"1316\" data-end=\"1361\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, v\u1eadn chuy\u1ec3n v\u00e0 thi c\u00f4ng.<\/span><\/li>\n<li data-start=\"1362\" data-end=\"1391\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; K\u1ef9 thu\u1eadt \u0111\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng.<\/span><\/li>\n<li data-start=\"1392\" data-end=\"1414\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110i\u1ec1u ki\u1ec7n b\u1ea3o d\u01b0\u1ee1ng.<\/span><\/li>\n<li data-start=\"1415\" data-end=\"1448\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Tu\u1ed5i b\u00ea t\u00f4ng t\u1ea1i th\u1eddi \u0111i\u1ec3m th\u1eed.<\/span><\/li>\n<li data-start=\"1449\" data-end=\"1486\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u00e1ch l\u1ea5y, ch\u1ebf t\u1ea1o v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u1eabu.<\/span><\/li>\n<li data-start=\"1487\" data-end=\"1530\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Quy tr\u00ecnh th\u1ef1c hi\u1ec7n t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m.<\/span><\/li>\n<\/ul>\n<p data-start=\"1532\" data-end=\"1721\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">V\u00ec v\u1eady, k\u1ebft qu\u1ea3 n\u00e9n m\u1eabu ph\u1ea3n \u00e1nh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a m\u1eabu \u0111\u01b0\u1ee3c th\u1eed trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3. N\u00f3 l\u00e0 c\u0103n c\u1ee9 quan tr\u1ecdng nh\u01b0ng c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u1ecdc trong to\u00e0n b\u1ed9 b\u1ed1i c\u1ea3nh h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00f4ng tr\u00ecnh.<\/span><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Ph\u00e2n bi\u1ec7t m\u00e1c b\u00ea t\u00f4ng M v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n B<\/span><\/strong><\/h3>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"1768\" data-end=\"1894\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">M\u00e1c b\u00ea t\u00f4ng v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n \u0111\u1ec1u li\u00ean quan \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n, nh\u01b0ng kh\u00f4ng n\u00ean hi\u1ec3u ch\u00fang l\u00e0 hai t\u00ean g\u1ecdi ho\u00e0n to\u00e0n gi\u1ed1ng nhau.<\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Kh\u00e1i ni\u1ec7m<\/th>\n<th>\u00dd ngh\u0129a s\u1eed d\u1ee5ng<\/th>\n<th>C\u00e1ch bi\u1ec3u th\u1ecb<\/th>\n<th>L\u01b0u \u00fd<\/th>\n<\/tr>\n<tr>\n<td>M\u00e1c b\u00ea t\u00f4ng M<\/td>\n<td>C\u00e1ch g\u1ecdi quen thu\u1ed9c, th\u01b0\u1eddng g\u1eb7p trong t\u00e0i li\u1ec7u v\u00e0 th\u1ef1c t\u1ebf thi c\u00f4ng tr\u01b0\u1edbc \u0111\u00e2y<\/td>\n<td>V\u00ed d\u1ee5 M200, M250, M300<\/td>\n<td>Kh\u00f4ng n\u00ean t\u1ef1 \u0111\u1ed9ng quy \u0111\u1ed5i sang B n\u1ebfu ch\u01b0a x\u00e1c \u0111\u1ecbnh c\u0103n c\u1ee9 \u00e1p d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p \u0111\u1ed9 b\u1ec1n B<\/td>\n<td>Gi\u00e1 tr\u1ecb \u0111\u1eb7c tr\u01b0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u b\u00ea t\u00f4ng theo ti\u00eau chu\u1ea9n hi\u1ec7n h\u00e0nh<\/td>\n<td>V\u00ed d\u1ee5 B15, B20, B25<\/td>\n<td>C\u1ea7n s\u1eed d\u1ee5ng \u0111\u00fang c\u1ea5p \u0111\u1ed9 b\u1ec1n \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft qu\u1ea3 n\u00e9n m\u1eabu<\/td>\n<td>Gi\u00e1 tr\u1ecb \u0111o \u0111\u01b0\u1ee3c tr\u00ean m\u1eabu c\u1ee5 th\u1ec3 t\u1ea1i tu\u1ed5i th\u1eed x\u00e1c \u0111\u1ecbnh<\/td>\n<td>MPa ho\u1eb7c \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n tr\u00ean phi\u1ebfu th\u1eed<\/td>\n<td>Kh\u00f4ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c to\u00e0n b\u1ed9 k\u1ebft c\u1ea5u c\u00f3 c\u00f9ng m\u1ed9t gi\u00e1 tr\u1ecb<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 tr\u00ean k\u1ebft c\u1ea5u<\/td>\n<td>Gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 tr\u1ef1c ti\u1ebfp ho\u1eb7c gi\u00e1n ti\u1ebfp tr\u00ean c\u1ea5u ki\u1ec7n \u0111\u00e3 thi c\u00f4ng<\/td>\n<td>Ph\u1ee5 thu\u1ed9c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1nh gi\u00e1<\/td>\n<td>Ch\u1ec9 th\u1ef1c hi\u1ec7n khi c\u00f3 ph\u01b0\u01a1ng \u00e1n k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"2726\" data-end=\"2937\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Khi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf s\u1eed d\u1ee5ng c\u1ea5p \u0111\u1ed9 b\u1ec1n B, vi\u1ec7c nghi\u1ec7m thu c\u1ea7n c\u0103n c\u1ee9 v\u00e0o y\u00eau c\u1ea7u \u0111\u00f3. Kh\u00f4ng n\u00ean ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t b\u1ea3ng quy \u0111\u1ed5i M\u2013B tr\u00ean Internet \u0111\u1ec3 thay th\u1ebf h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf ho\u1eb7c ti\u00eau ch\u00ed nghi\u1ec7m thu \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/span><\/p>\n<h3 data-start=\"2726\" data-end=\"2937\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Ph\u00e2n bi\u1ec7t y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, c\u01b0\u1eddng \u0111\u1ed9 m\u1ee5c ti\u00eau v\u00e0 k\u1ebft qu\u1ea3 th\u1eed<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra b\u00ea t\u00f4ng, ng\u01b0\u1eddi \u0111\u1ecdc c\u00f3 th\u1ec3 g\u1eb7p nhi\u1ec1u gi\u00e1 tr\u1ecb c\u01b0\u1eddng \u0111\u1ed9 kh\u00e1c nhau.<\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Gi\u00e1 tr\u1ecb<\/th>\n<th>Vai tr\u00f2<\/th>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 y\u00eau c\u1ea7u trong thi\u1ebft k\u1ebf<\/td>\n<td>M\u1ee9c c\u01b0\u1eddng \u0111\u1ed9 m\u00e0 b\u00ea t\u00f4ng ho\u1eb7c k\u1ebft c\u1ea5u ph\u1ea3i \u0111\u00e1p \u1ee9ng theo h\u1ed3 s\u01a1 \u0111\u01b0\u1ee3c duy\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 m\u1ee5c ti\u00eau<\/td>\n<td>M\u1ee9c trung b\u00ecnh \u0111\u01b0\u1ee3c h\u01b0\u1edbng \u0111\u1ebfn trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf c\u1ea5p ph\u1ed1i v\u00e0 ki\u1ec3m so\u00e1t s\u1ea3n xu\u1ea5t nh\u1eb1m \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u \u0111\u00e3 \u0111\u1eb7t ra<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a m\u1eabu th\u1eed<\/td>\n<td>K\u1ebft qu\u1ea3 \u0111o \u0111\u01b0\u1ee3c khi th\u1eed n\u00e9n m\u1eabu t\u1ea1i m\u1ed9t tu\u1ed5i x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng tr\u00ean k\u1ebft c\u1ea5u<\/td>\n<td>Gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 tr\u00ean b\u00ea t\u00f4ng \u0111\u00e3 thi c\u00f4ng khi c\u1ea7n x\u00e1c minh th\u00eam<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u1ed1n gi\u00e1 tr\u1ecb n\u00e0y c\u00f3 li\u00ean quan nh\u01b0ng kh\u00f4ng th\u1ec3 t\u1ef1 \u0111\u1ed9ng thay th\u1ebf cho nhau. Ch\u1eb3ng h\u1ea1n, k\u1ebft qu\u1ea3 th\u1ea5p c\u1ee7a m\u1ed9t vi\u00ean m\u1eabu l\u00e0 d\u1ea5u hi\u1ec7u c\u1ea7n ki\u1ec3m tra nh\u01b0ng ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 t\u1ef1 k\u1ebft lu\u1eadn to\u00e0n b\u1ed9 c\u1ea5u ki\u1ec7n kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u.<\/span><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/strong><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n th\u01b0\u1eddng tr\u1ea3i qua c\u00e1c b\u01b0\u1edbc: l\u1ea5y m\u1eabu h\u1ed7n h\u1ee3p b\u00ea t\u00f4ng, ch\u1ebf t\u1ea1o m\u1eabu, b\u1ea3o d\u01b0\u1ee1ng, th\u1eed n\u00e9n \u1edf tu\u1ed5i quy \u0111\u1ecbnh v\u00e0 l\u1eadp phi\u1ebfu k\u1ebft qu\u1ea3.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">TCVN 3105:2022 quy \u0111\u1ecbnh v\u1ec1 <a href=\"https:\/\/dufago.com.vn\/en\/tieu-chuan-lay-mau-be-tong-huong-dan-chi-tiet-tu-a-z\/\">l\u1ea5y m\u1eabu, t\u1ea1o m\u1eabu v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u1eabu th\u1eed<\/a> <strong>[1]<\/strong>. TCVN 3118:2022 quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n c\u1ee7a b\u00ea t\u00f4ng <strong>[2]<\/strong>. Hai giai \u0111o\u1ea1n n\u00e0y c\u00f3 quan h\u1ec7 tr\u1ef1c ti\u1ebfp: m\u1eabu kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ea5y v\u00e0 b\u1ea3o d\u01b0\u1ee1ng \u0111\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra k\u1ebft qu\u1ea3 kh\u00f4ng \u0111\u1ea1i di\u1ec7n, ngay c\u1ea3 khi thao t\u00e1c th\u1eed n\u00e9n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang.<\/span><\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-8842\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-6.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-6.jpg 800w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-6-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-6-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-6-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-6-750x563.jpg 750w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">1. L\u1ea5y, t\u1ea1o v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u1eabu<\/span><\/strong><\/h3>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"4514\" data-end=\"4700\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">M\u1eabu th\u1eed c\u1ea7n \u0111\u01b0\u1ee3c nh\u1eadn di\u1ec7n r\u00f5 theo \u0111\u1ee3t \u0111\u1ed5, c\u1ea5u ki\u1ec7n, th\u1eddi gian l\u1ea5y m\u1eabu v\u00e0 y\u00eau c\u1ea7u th\u1eed. Qu\u00e1 tr\u00ecnh t\u1ea1o m\u1eabu ph\u1ea3i b\u1ea3o \u0111\u1ea3m m\u1eabu \u0111\u01b0\u1ee3c \u0111\u1ea7m, ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t v\u00e0 b\u1ea3o d\u01b0\u1ee1ng theo quy tr\u00ecnh \u00e1p d\u1ee5ng.<\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"4702\" data-end=\"4750\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>Nh\u1eefng th\u00f4ng tin quan tr\u1ecdng c\u1ea7n \u0111\u01b0\u1ee3c l\u01b0u l\u1ea1i g\u1ed3m:<\/strong> ng\u00e0y v\u00e0 th\u1eddi \u0111i\u1ec3m l\u1ea5y m\u1eabu, v\u1ecb tr\u00ed ho\u1eb7c h\u1ea1ng m\u1ee5c s\u1eed d\u1ee5ng b\u00ea t\u00f4ng, m\u00e3 t\u1ed5 m\u1eabu v\u00e0 s\u1ed1 l\u01b0\u1ee3ng vi\u00ean m\u1eabu, th\u00f4ng tin l\u00f4, xe b\u00ea t\u00f4ng li\u00ean quan, tu\u1ed5i m\u1eabu d\u1ef1 ki\u1ebfn, \u0111i\u1ec1u ki\u1ec7n th\u00e1o khu\u00f4n v\u00e0 \u0111\u01a1n v\u1ecb l\u1ea5y m\u1eabu &amp; \u0111\u01a1n v\u1ecb th\u00ed nghi\u1ec7m.<\/span><\/p>\n<p data-start=\"4702\" data-end=\"4750\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Sai l\u1ec7ch trong qu\u00e1 tr\u00ecnh \u0111\u1ea7m m\u1eabu, th\u00e1o khu\u00f4n, b\u1ea3o d\u01b0\u1ee1ng ho\u1eb7c v\u1eadn chuy\u1ec3n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3. V\u00ec v\u1eady, khi c\u00f3 k\u1ebft qu\u1ea3 b\u1ea5t th\u01b0\u1eddng, h\u1ed3 s\u01a1 m\u1eabu l\u00e0 m\u1ed9t trong nh\u1eefng ngu\u1ed3n c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ea7u ti\u00ean.<\/span><\/p>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"5211\" data-end=\"5242\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">2. Th\u1eed n\u00e9n v\u00e0 ghi nh\u1eadn k\u1ebft qu\u1ea3<\/span><\/strong><\/h3>\n<p data-start=\"5244\" data-end=\"5421\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">T\u1ea1i tu\u1ed5i th\u1eed quy \u0111\u1ecbnh, m\u1eabu \u0111\u01b0\u1ee3c ki\u1ec3m tra t\u00ecnh tr\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 b\u1ec1 m\u1eb7t ch\u1ecbu l\u1ef1c tr\u01b0\u1edbc khi \u0111\u1eb7t v\u00e0o m\u00e1y n\u00e9n. T\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c t\u00e1c d\u1ee5ng theo quy tr\u00ecnh cho \u0111\u1ebfn khi m\u1eabu b\u1ecb ph\u00e1 ho\u1ea1i.<\/span><\/p>\n<p data-start=\"5244\" data-end=\"5421\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>Phi\u1ebfu k\u1ebft qu\u1ea3 c\u1ea7n cho ph\u00e9p nh\u1eadn di\u1ec7n \u0111\u01b0\u1ee3c:<\/strong> m\u00e3 v\u00e0 tu\u1ed5i m\u1eabu, k\u00edch th\u01b0\u1edbc m\u1eabu, ng\u00e0y l\u1ea5y v\u00e0 ng\u00e0y th\u1eed, k\u1ebft qu\u1ea3 t\u1eebng vi\u00ean, k\u1ebft qu\u1ea3 t\u1ed5 m\u1eabu theo ph\u01b0\u01a1ng ph\u00e1p, ti\u00eau chu\u1ea9n th\u1eed v\u00e0 th\u00f4ng tin ph\u00f2ng th\u00ed nghi\u1ec7m.<\/span><\/p>\n<p data-start=\"5244\" data-end=\"5421\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng n\u00ean ch\u1ec9 nh\u00ecn v\u00e0o m\u1ed9t con s\u1ed1 t\u1ed5ng h\u1ee3p m\u00e0 b\u1ecf qua tu\u1ed5i m\u1eabu, t\u1eebng vi\u00ean trong t\u1ed5 v\u00e0 th\u00f4ng tin nh\u1eadn di\u1ec7n m\u1eabu.<\/span><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng ph\u00e1t tri\u1ec3n theo th\u1eddi gian nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/strong><\/h2>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"5823\" data-end=\"6090\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Sau khi b\u00ea t\u00f4ng \u0111\u00f4ng k\u1ebft, ph\u1ea3n \u1ee9ng th\u1ee7y h\u00f3a ti\u1ebfp t\u1ee5c di\u1ec5n ra v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ph\u00e1t tri\u1ec3n theo th\u1eddi gian. T\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n kh\u00f4ng gi\u1ed1ng nhau cho m\u1ecdi lo\u1ea1i b\u00ea t\u00f4ng m\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i xi m\u0103ng, v\u1eadt li\u1ec7u, t\u1ef7 l\u1ec7 n\u01b0\u1edbc v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh, ph\u1ee5 gia, nhi\u1ec7t \u0111\u1ed9 v\u00e0 <a href=\"https:\/\/dufago.com.vn\/en\/how-to-properly-cure-concrete\/\">\u0111i\u1ec1u ki\u1ec7n b\u1ea3o d\u01b0\u1ee1ng<\/a>.<\/span><\/p>\n<p data-start=\"6092\" data-end=\"6255\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u00e1c k\u00fd hi\u1ec7u nh\u01b0 R3, R7, R14 v\u00e0 R28 th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 ch\u1ec9 k\u1ebft qu\u1ea3 c\u01b0\u1eddng \u0111\u1ed9 t\u1ea1i tu\u1ed5i 3, 7, 14 v\u00e0 28 ng\u00e0y. \u0110\u00e2y l\u00e0 tu\u1ed5i m\u1eabu, kh\u00f4ng ph\u1ea3i t\u00ean c\u1ee7a m\u1ed9t lo\u1ea1i m\u00e1c b\u00ea t\u00f4ng.<\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>M\u1ed1c th\u1eed<\/th>\n<th>Vai tr\u00f2 th\u01b0\u1eddng g\u1eb7p<\/th>\n<th>Gi\u1edbi h\u1ea1n khi s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<tr>\n<td>R3<\/td>\n<td>Theo d\u00f5i r\u1ea5t s\u1edbm xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9<\/td>\n<td>Kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 thay th\u1ebf k\u1ebft qu\u1ea3 t\u1ea1i tu\u1ed5i thi\u1ebft k\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>R7<\/td>\n<td>\u0110\u00e1nh gi\u00e1 s\u1edbm qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 h\u1ed7 tr\u1ee3 theo d\u00f5i ti\u1ebfn \u0111\u1ed9<\/td>\n<td>Kh\u00f4ng n\u00ean t\u1ef1 quy \u0111\u1ed5i m\u00e1y m\u00f3c th\u00e0nh R28<\/td>\n<\/tr>\n<tr>\n<td>R14<\/td>\n<td>Cung c\u1ea5p th\u00eam d\u1eef li\u1ec7u trung gian khi h\u1ed3 s\u01a1 ho\u1eb7c k\u1ebf ho\u1ea1ch ki\u1ec3m tra y\u00eau c\u1ea7u<\/td>\n<td>Kh\u00f4ng ph\u1ea3i m\u1ed1c b\u1eaft bu\u1ed9c cho m\u1ecdi c\u00f4ng tr\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>R28<\/td>\n<td>M\u1ed1c \u0111\u00e1nh gi\u00e1 ph\u1ed5 bi\u1ebfn \u0111\u1ed1i v\u1edbi nhi\u1ec1u lo\u1ea1i b\u00ea t\u00f4ng th\u00f4ng th\u01b0\u1eddng<\/td>\n<td>V\u1eabn ph\u1ea3i \u0111\u1ed1i chi\u1ebfu tu\u1ed5i v\u00e0 ti\u00eau ch\u00ed trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure id=\"attachment_8836\" aria-describedby=\"caption-attachment-8836\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"wp-image-8836 size-full\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-7.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-7.jpg 800w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-7-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-7-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-7-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-7-750x563.jpg 750w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-8836\" class=\"wp-caption-text\">L\u1ea5y \u0111\u1ed9 s\u1ee5t t\u1ea1i c\u00f4ng tr\u00ecnh<\/figcaption><\/figure>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"6812\" data-end=\"6847\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">K\u1ebft qu\u1ea3 R3 v\u00e0 R7 c\u00f3 \u00fd ngh\u0129a g\u00ec?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">K\u1ebft qu\u1ea3 R3 ho\u1eb7c R7 gi\u00fap c\u00e1c b\u00ean nh\u1eadn bi\u1ebft s\u1edbm xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9. N\u1ebfu k\u1ebft qu\u1ea3 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u01b0\u1eddng ph\u00e1t tri\u1ec3n \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c l\u1eadp cho c\u1ea5p ph\u1ed1i v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u00e1p d\u1ee5ng, \u0111\u00e2y c\u00f3 th\u1ec3 l\u00e0 t\u00edn hi\u1ec7u thu\u1eadn l\u1ee3i \u0111\u1ec3 ti\u1ebfp t\u1ee5c theo d\u00f5i.<\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7073\" data-end=\"7288\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Ng\u01b0\u1ee3c l\u1ea1i, R7 th\u1ea5p h\u01a1n d\u1ef1 ki\u1ebfn l\u00e0 t\u00edn hi\u1ec7u c\u1ea7n ki\u1ec3m tra s\u1edbm c\u00e1c y\u1ebfu t\u1ed1 li\u00ean quan nh\u01b0 m\u1eabu, b\u1ea3o d\u01b0\u1ee1ng, \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng v\u00e0 h\u1ed3 s\u01a1 c\u1ea5p ph\u1ed1i. Tuy nhi\u00ean, R7 th\u1ea5p kh\u00f4ng t\u1ef1 \u0111\u1ed9ng \u0111\u1ed3ng ngh\u0129a k\u1ebft qu\u1ea3 R28 ch\u1eafc ch\u1eafn kh\u00f4ng \u0111\u1ea1t.<\/span><\/p>\n<p data-start=\"7290\" data-end=\"7475\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u00e1c quy\u1ebft \u0111\u1ecbnh nh\u01b0 th\u00e1o c\u1ed1p pha, ch\u1ea5t t\u1ea3i ho\u1eb7c thi c\u00f4ng h\u1ea1ng m\u1ee5c ti\u1ebfp theo kh\u00f4ng n\u00ean ch\u1ec9 d\u1ef1a v\u00e0o s\u1ed1 ng\u00e0y. C\u1ea7n c\u0103n c\u1ee9 v\u00e0o c\u01b0\u1eddng \u0111\u1ed9 th\u1ef1c t\u1ebf, thi\u1ebft k\u1ebf v\u00e0 bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/span><\/p>\n<h3 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7477\" data-end=\"7536\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">K\u1ebft qu\u1ea3 R28 c\u00f3 ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 k\u1ebft lu\u1eadn cu\u1ed1i c\u00f9ng?<\/span><\/strong><\/h3>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7538\" data-end=\"7736\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">R28 l\u00e0 m\u1ed1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a nhi\u1ec1u lo\u1ea1i b\u00ea t\u00f4ng. Tuy nhi\u00ean, tu\u1ed5i \u0111\u00e1nh gi\u00e1 ch\u00ednh th\u1ee9c ph\u1ea3i theo h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf, ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt v\u00e0 y\u00eau c\u1ea7u c\u1ee7a lo\u1ea1i b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/span><\/p>\n<p data-start=\"7738\" data-end=\"7897\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">M\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p c\u00f3 th\u1ec3 quy \u0111\u1ecbnh tu\u1ed5i th\u1eed kh\u00e1c ho\u1eb7c y\u00eau c\u1ea7u th\u00eam k\u1ebft qu\u1ea3 \u1edf nhi\u1ec1u m\u1ed1c. V\u00ec v\u1eady, kh\u00f4ng n\u00ean \u00e1p d\u1ee5ng m\u1ed9t quy t\u1eafc R28 gi\u1ed1ng nhau cho m\u1ecdi c\u00f4ng tr\u00ecnh.<\/span><\/p>\n<h2><span style=\"font-family: arial, helvetica, sans-serif;\"><strong><span style=\"color: #333399;\">B\u1ea3ng tra c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng m\u00e1c 200, 250, 300<\/span><\/strong><\/span><\/h2>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"7960\" data-end=\"8188\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u00e1c b\u1ea3ng M\u2013B ho\u1eb7c b\u1ea3ng t\u1ef7 l\u1ec7 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 tra c\u1ee9u nhanh, nh\u01b0ng ch\u1ec9 n\u00ean xem l\u00e0 th\u00f4ng tin tham kh\u1ea3o. Ch\u00fang kh\u00f4ng thay th\u1ebf c\u1ea5p \u0111\u1ed9 b\u1ec1n trong thi\u1ebft k\u1ebf, c\u1ea5p ph\u1ed1i \u0111\u01b0\u1ee3c duy\u1ec7t ho\u1eb7c ti\u00eau ch\u00ed nghi\u1ec7m thu c\u1ee7a c\u00f4ng tr\u00ecnh.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong><span style=\"color: #333333; font-size: 15px;\">1. B\u1ea3ng quy \u0111\u1ed5i M\u00e1c b\u00ea t\u00f4ng (M) v\u00e0 C\u1ea5p \u0111\u1ed9 b\u1ec1n (B) t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n:<\/span><\/strong><\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>C\u1ea5p \u0111\u1ed9 b\u1ec1n (B)<\/th>\n<th>M\u00e1c b\u00ea t\u00f4ng (M)<\/th>\n<th>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n t\u01b0\u01a1ng \u1ee9ng (MPa)<\/th>\n<\/tr>\n<tr>\n<td>B3.5<\/td>\n<td>M50<\/td>\n<td>4.50<\/td>\n<\/tr>\n<tr>\n<td>B5<\/td>\n<td>M75<\/td>\n<td>6.42<\/td>\n<\/tr>\n<tr>\n<td>B7.5<\/td>\n<td>M100<\/td>\n<td>9.63<\/td>\n<\/tr>\n<tr>\n<td>B10<\/td>\n<td>M150<\/td>\n<td>12.84<\/td>\n<\/tr>\n<tr>\n<td>B12.5<\/td>\n<td>M150<\/td>\n<td>16.05<\/td>\n<\/tr>\n<tr>\n<td>B15<\/td>\n<td>M200<\/td>\n<td>19.27<\/td>\n<\/tr>\n<tr>\n<td>B20<\/td>\n<td>M250<\/td>\n<td>25.69<\/td>\n<\/tr>\n<tr>\n<td>B22.5<\/td>\n<td>M300<\/td>\n<td>28.90<\/td>\n<\/tr>\n<tr>\n<td>B25<\/td>\n<td>M350<\/td>\n<td>32.11<\/td>\n<\/tr>\n<tr>\n<td>B27.5<\/td>\n<td>M350<\/td>\n<td>35.32<\/td>\n<\/tr>\n<tr>\n<td>B30<\/td>\n<td>M400<\/td>\n<td>38.53<\/td>\n<\/tr>\n<tr>\n<td>B35<\/td>\n<td>M450<\/td>\n<td>44.95<\/td>\n<\/tr>\n<tr>\n<td>B40<\/td>\n<td>M500<\/td>\n<td>51.37<\/td>\n<\/tr>\n<tr>\n<td>B45<\/td>\n<td>M600<\/td>\n<td>57.80<\/td>\n<\/tr>\n<tr>\n<td>B50<\/td>\n<td>M650<\/td>\n<td>64.22<\/td>\n<\/tr>\n<tr>\n<td>B55<\/td>\n<td>M700<\/td>\n<td>70.64<\/td>\n<\/tr>\n<tr>\n<td>B60<\/td>\n<td>M800<\/td>\n<td>77.06<\/td>\n<\/tr>\n<tr>\n<td>B70<\/td>\n<td>M900<\/td>\n<td>89.90<\/td>\n<\/tr>\n<tr>\n<td>B80<\/td>\n<td>M1000<\/td>\n<td>102.75<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure id=\"attachment_8843\" aria-describedby=\"caption-attachment-8843\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-8843\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-1024x768.jpg 1024w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-750x563.jpg 750w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong-1140x855.jpg 1140w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/cuong-do-chiu-nen-be-tong.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-8843\" class=\"wp-caption-text\"><em><span style=\"font-family: arial, helvetica, sans-serif;\">B\u1ea3ng tra c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng m\u00e1c 200, 250, 300<\/span><\/em><\/figcaption><\/figure>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><i><span style=\"font-weight: 400;\">(L\u01b0u \u00fd: Vi\u1ec7c quy \u0111\u1ed5i c\u00f3 t\u00ednh t\u01b0\u01a1ng \u0111\u1ed1i, c\u1ea7n tham kh\u1ea3o TCVN 5574:2018 \u0111\u1ec3 c\u00f3 th\u00f4ng tin ch\u00ednh x\u00e1c nh\u1ea5t v\u1ec1 c\u1ea5p \u0111\u1ed9 b\u1ec1n B v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 t\u01b0\u01a1ng \u1ee9ng <strong>[3]<\/strong>.)<\/span><\/i><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>2. B\u1ea3ng tham kh\u1ea3o t\u1ef7 l\u1ec7 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng theo ng\u00e0y tu\u1ed5i (v\u00ed d\u1ee5 cho b\u00ea t\u00f4ng c\u1ea5p \u0111\u1ed9 b\u1ec1n B20 \/ M\u00e1c M250):<\/strong><\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Ng\u00e0y tu\u1ed5i<\/th>\n<th>T\u1ef7 l\u1ec7 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 (t\u1ed1i thi\u1ec3u, %)<\/th>\n<th>C\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ea1t \u0111\u01b0\u1ee3c (\u01b0\u1edbc t\u00ednh cho M250\/B20)<\/th>\n<\/tr>\n<tr>\n<td>3 ng\u00e0y (R3)<\/td>\n<td>~ 40%<\/td>\n<td>100 kg\/cm2<\/td>\n<\/tr>\n<tr>\n<td>7 ng\u00e0y (R7)<\/td>\n<td>~ 65% \u2013 70% (L\u01b0u \u00fd: c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng sau 7 ng\u00e0y \u0111\u1ea1t bao nhi\u00eau)<\/td>\n<td>162,5 \u2013 175 kg\/cm2<\/td>\n<\/tr>\n<tr>\n<td>14 ng\u00e0y (R14)<\/td>\n<td>~ 85% \u2013 90%<\/td>\n<td>212,5 \u2013 225 kg\/cm2<\/td>\n<\/tr>\n<tr>\n<td>28 ng\u00e0y (R28)<\/td>\n<td>95% \u2013 100%<\/td>\n<td>250 kg\/cm2 (\u0110\u1ea1t m\u00e1c)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><i><span style=\"font-weight: 400;\">L\u01b0u \u00fd: \u0110\u00e2y l\u00e0 gi\u00e1 tr\u1ecb tham kh\u1ea3o. T\u1ed1c \u0111\u1ed9 ph\u00e1t tri\u1ec3n th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1.)<\/span><\/i><\/span><\/p>\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9371\" data-end=\"9406\"><strong><span style=\"color: #333399; font-family: arial, helvetica, sans-serif;\">C\u00e1ch \u0111\u1ecdc k\u1ebft qu\u1ea3 n\u00e9n m\u1eabu b\u00ea t\u00f4ng<\/span><\/strong><\/h2>\n<p data-start=\"9408\" data-end=\"9513\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110\u1ec3 bi\u1ebft k\u1ebft qu\u1ea3 n\u00e9n m\u1eabu c\u00f3 ph\u00f9 h\u1ee3p hay kh\u00f4ng, c\u1ea7n \u0111\u1ecdc to\u00e0n b\u1ed9 phi\u1ebfu th\u1eed thay v\u00ec ch\u1ec9 xem con s\u1ed1 cu\u1ed1i c\u00f9ng.<\/span><\/p>\n<h3 data-start=\"9408\" data-end=\"9513\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Nh\u1eefng th\u00f4ng tin c\u1ea7n ki\u1ec3m tra tr\u00ean phi\u1ebfu k\u1ebft qu\u1ea3<\/span><\/strong><\/h3>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"9568\" data-end=\"9593\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Tr\u01b0\u1edbc h\u1ebft, h\u00e3y \u0111\u1ed1i chi\u1ebfu:<\/span><\/p>\n<ul data-start=\"9595\" data-end=\"9996\">\n<li data-start=\"9595\" data-end=\"9657\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; M\u00e3 t\u1ed5 m\u1eabu c\u00f3 \u0111\u00fang v\u1edbi \u0111\u1ee3t \u0111\u1ed5 v\u00e0 c\u1ea5u ki\u1ec7n c\u1ea7n ki\u1ec3m tra kh\u00f4ng.<\/span><\/li>\n<li data-start=\"9658\" data-end=\"9719\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Ng\u00e0y l\u1ea5y m\u1eabu v\u00e0 ng\u00e0y th\u1eed c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi tu\u1ed5i y\u00eau c\u1ea7u kh\u00f4ng.<\/span><\/li>\n<li data-start=\"9720\" data-end=\"9769\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Lo\u1ea1i v\u00e0 k\u00edch th\u01b0\u1edbc m\u1eabu c\u00f3 \u0111\u00fang h\u1ed3 s\u01a1 hay kh\u00f4ng.<\/span><\/li>\n<li data-start=\"9770\" data-end=\"9814\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Phi\u1ebfu c\u00f3 th\u1ec3 hi\u1ec7n k\u1ebft qu\u1ea3 t\u1eebng vi\u00ean kh\u00f4ng.<\/span><\/li>\n<li data-start=\"9815\" data-end=\"9866\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110\u01a1n v\u1ecb \u0111o c\u00f3 th\u1ed1ng nh\u1ea5t v\u1edbi h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf kh\u00f4ng.<\/span><\/li>\n<li data-start=\"9867\" data-end=\"9927\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Ti\u00eau chu\u1ea9n th\u1eed v\u00e0 ph\u00f2ng th\u00ed nghi\u1ec7m c\u00f3 \u0111\u01b0\u1ee3c ghi nh\u1eadn kh\u00f4ng.<\/span><\/li>\n<li data-start=\"9928\" data-end=\"9996\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; K\u1ebft qu\u1ea3 c\u00f3 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 theo c\u1ea3 t\u1ed5 m\u1eabu hay ch\u1ec9 m\u1ed9t vi\u00ean ri\u00eang l\u1ebb.<\/span><\/li>\n<\/ul>\n<p data-start=\"9998\" data-end=\"10131\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">N\u1ebfu th\u00f4ng tin nh\u1eadn di\u1ec7n kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 ho\u1eb7c kh\u00f4ng kh\u1edbp v\u1edbi nh\u1eadt k\u00fd thi c\u00f4ng, c\u1ea7n l\u00e0m r\u00f5 tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng k\u1ebft qu\u1ea3 \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh.<\/span><\/p>\n<h3 data-start=\"9998\" data-end=\"10131\"><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\"><strong>N\u00e9n m\u1eabu b\u00ea t\u00f4ng bao nhi\u00eau \u0111\u01b0\u1ee3c xem l\u00e0 \u0111\u1ea1t?<\/strong><\/span><\/h3>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"10181\" data-end=\"10414\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng c\u00f3 m\u1ed9t con s\u1ed1 chung c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho m\u1ecdi c\u00f4ng tr\u00ecnh. K\u1ebft qu\u1ea3 ch\u1ec9 \u0111\u01b0\u1ee3c xem x\u00e9t l\u00e0 ph\u00f9 h\u1ee3p khi \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u thi\u1ebft k\u1ebf v\u00e0 ti\u00eau ch\u00ed nghi\u1ec7m thu \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"10416\" data-end=\"10438\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u1ea7n xem x\u00e9t \u0111\u1ed3ng th\u1eddi:<\/span><\/p>\n<ul data-start=\"10440\" data-end=\"10698\">\n<li data-start=\"10440\" data-end=\"10475\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u1ea5p \u0111\u1ed9 b\u1ec1n ho\u1eb7c m\u00e1c \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/span><\/li>\n<li data-start=\"10476\" data-end=\"10504\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Tu\u1ed5i thi\u1ebft k\u1ebf c\u1ee7a b\u00ea t\u00f4ng.<\/span><\/li>\n<li data-start=\"10505\" data-end=\"10543\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; K\u1ebft qu\u1ea3 t\u1eebng vi\u00ean v\u00e0 k\u1ebft qu\u1ea3 t\u1ed5 m\u1eabu.<\/span><\/li>\n<li data-start=\"10544\" data-end=\"10587\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; S\u1ed1 l\u01b0\u1ee3ng v\u00e0 t\u00ednh \u0111\u1ea1i di\u1ec7n c\u1ee7a c\u00e1c t\u1ed5 m\u1eabu.<\/span><\/li>\n<li data-start=\"10588\" data-end=\"10627\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Y\u00eau c\u1ea7u ri\u00eang trong ch\u1ec9 d\u1eabn k\u1ef9 thu\u1eadt.<\/span><\/li>\n<li data-start=\"10628\" data-end=\"10698\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Nh\u1eefng sai l\u1ec7ch \u0111\u01b0\u1ee3c ghi nh\u1eadn trong qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u00e0 th\u00ed nghi\u1ec7m.<\/span><\/li>\n<\/ul>\n<p data-start=\"10700\" data-end=\"10820\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng n\u00ean l\u1ea5y k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t vi\u00ean m\u1eabu so tr\u1ef1c ti\u1ebfp v\u1edbi t\u00ean m\u00e1c r\u1ed3i k\u1ebft lu\u1eadn to\u00e0n b\u1ed9 l\u00f4 ho\u1eb7c c\u1ea5u ki\u1ec7n \u0111\u1ea1t hay kh\u00f4ng \u0111\u1ea1t.<\/span><\/p>\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"10822\" data-end=\"10878\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Nh\u1eefng y\u1ebfu t\u1ed1 khi\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 ho\u1eb7c k\u1ebft qu\u1ea3 n\u00e9n m\u1eabu th\u1ea5p<\/span><\/strong><\/h2>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"10880\" data-end=\"11038\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">K\u1ebft qu\u1ea3 th\u1ea5p c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng th\u1ef1c t\u1ebf ho\u1eb7c t\u1eeb sai l\u1ec7ch trong kh\u00e2u l\u1ea5y m\u1eabu v\u00e0 th\u00ed nghi\u1ec7m. \u0110\u00e2y l\u00e0 hai nh\u00f3m nguy\u00ean nh\u00e2n c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t.<\/span><\/p>\n<div class=\"group TyagGW_tableContainer\">\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Nh\u00f3m nguy\u00ean nh\u00e2n<\/th>\n<th>N\u1ed9i dung c\u1ea7n ki\u1ec3m tra<\/th>\n<th>\u1ea2nh h\u01b0\u1edfng c\u00f3 th\u1ec3 x\u1ea3y ra<\/th>\n<\/tr>\n<tr>\n<td>V\u1eadt li\u1ec7u v\u00e0 c\u1ea5p ph\u1ed1i<\/td>\n<td>Ch\u1ea5t l\u01b0\u1ee3ng xi m\u0103ng, c\u1ed1t li\u1ec7u, n\u01b0\u1edbc, ph\u1ee5 gia v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ecbnh l\u01b0\u1ee3ng<\/td>\n<td>B\u00ea t\u00f4ng ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 kh\u00f4ng nh\u01b0 y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3m so\u00e1t n\u01b0\u1edbc<\/td>\n<td>N\u01b0\u1edbc trong v\u1eadt li\u1ec7u, n\u01b0\u1edbc tr\u1ed9n v\u00e0 vi\u1ec7c t\u1ef1 \u00fd th\u00eam n\u01b0\u1edbc<\/td>\n<td>C\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7 n\u01b0\u1edbc\/ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 \u0111\u1eb7c t\u00ednh b\u00ea t\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>V\u1eadn chuy\u1ec3n<\/td>\n<td>Th\u1eddi gian, \u0111i\u1ec1u ki\u1ec7n v\u1eadn chuy\u1ec3n v\u00e0 t\u00ecnh tr\u1ea1ng h\u1ed7n h\u1ee3p khi \u0111\u1ebfn c\u00f4ng tr\u01b0\u1eddng<\/td>\n<td>\u1ea2nh h\u01b0\u1edfng kh\u1ea3 n\u0103ng thi c\u00f4ng v\u00e0 \u0111\u1ed9 \u0111\u1ed3ng nh\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed5 v\u00e0 \u0111\u1ea7m<\/td>\n<td>Ph\u00e2n t\u1ea7ng, \u0111\u1ea7m thi\u1ebfu ho\u1eb7c \u0111\u1ea7m kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>\n<td>B\u00ea t\u00f4ng trong c\u1ea5u ki\u1ec7n c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1eb7c ch\u1eafc<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o d\u01b0\u1ee1ng k\u1ebft c\u1ea5u<\/td>\n<td>M\u1ea5t n\u01b0\u1edbc, nhi\u1ec7t \u0111\u1ed9 v\u00e0 th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng<\/td>\n<td>\u1ea2nh h\u01b0\u1edfng qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a v\u00e0 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>L\u1ea5y m\u1eabu<\/td>\n<td>M\u1eabu kh\u00f4ng \u0111\u1ea1i di\u1ec7n, l\u1ea5y sai th\u1eddi \u0111i\u1ec3m ho\u1eb7c nh\u1ea7m k\u00fd hi\u1ec7u<\/td>\n<td>K\u1ebft qu\u1ea3 kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang \u0111\u1ee3t b\u00ea t\u00f4ng c\u1ea7n ki\u1ec3m tra<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf t\u1ea1o m\u1eabu<\/td>\n<td>\u0110\u1ea7m m\u1eabu, khu\u00f4n ho\u1eb7c b\u1ec1 m\u1eb7t m\u1eabu kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>\n<td>T\u1ea1o khuy\u1ebft t\u1eadt ho\u1eb7c sai l\u1ec7ch tr\u00ean m\u1eabu<\/td>\n<\/tr>\n<tr>\n<td>B\u1ea3o d\u01b0\u1ee1ng m\u1eabu<\/td>\n<td>M\u1ea5t n\u01b0\u1edbc, nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c th\u1eddi gian b\u1ea3o d\u01b0\u1ee1ng kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>\n<td>M\u1eabu ph\u00e1t tri\u1ec3n kh\u00e1c \u0111i\u1ec1u ki\u1ec7n quy \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eed nghi\u1ec7m<\/td>\n<td>Sai tu\u1ed5i, \u0111\u1eb7t m\u1eabu kh\u00f4ng ph\u00f9 h\u1ee3p ho\u1eb7c th\u00f4ng tin t\u00ednh to\u00e1n c\u1ea7n ki\u1ec3m tra<\/td>\n<td>K\u1ebft qu\u1ea3 th\u1eed c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div tabindex=\"-1\">\n<h2 data-start=\"12390\" data-end=\"12433\"><strong><span style=\"color: #333399; font-family: arial, helvetica, sans-serif;\">C\u00e1ch x\u1eed l\u00fd khi n\u00e9n m\u1eabu b\u00ea t\u00f4ng kh\u00f4ng \u0111\u1ea1t<\/span><\/strong><\/h2>\n<\/div>\n<p data-start=\"12435\" data-end=\"12709\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Khi nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 n\u00e9n m\u1eabu th\u1ea5p h\u01a1n y\u00eau c\u1ea7u, tr\u00ecnh t\u1ef1 x\u1eed l\u00fd d\u01b0\u1edbi \u0111\u00e2y s\u1ebd l\u00e0 h\u1ee3p l\u00fd nh\u1ea5t, kh\u00f4ng n\u00ean l\u1eadp t\u1ee9c k\u1ebft lu\u1eadn ho\u1eb7c ph\u00e1 b\u1ecf.<\/span><\/p>\n<figure id=\"attachment_8839\" aria-describedby=\"caption-attachment-8839\" style=\"width: 800px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8839 size-full\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-3.jpg\" alt=\"\" width=\"800\" height=\"600\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-3.jpg 800w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-3-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-3-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-3-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/05\/Cuong-do-chiu-nen-be-tong-3-750x563.jpg 750w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-8839\" class=\"wp-caption-text\">N\u1ebfu \u0111\u1ed5 b\u00ea t\u00f4ng c\u00f3 m\u1eabu kh\u00f4ng \u0111\u1ea1t ph\u1ea3i l\u00e0m sao?<\/figcaption><\/figure>\n<p data-start=\"12435\" data-end=\"12709\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u01b0\u1edbc 1: Ghi nh\u1eadn v\u00e0 b\u1ea3o to\u00e0n h\u1ed3 s\u01a1 g\u1ed3m c\u00f3<\/span><\/strong><\/p>\n<ul data-start=\"12765\" data-end=\"13075\">\n<li data-start=\"12765\" data-end=\"12792\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Phi\u1ebfu k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m.<\/span><\/li>\n<li data-start=\"12793\" data-end=\"12826\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; M\u00e3 t\u1ed5 m\u1eabu v\u00e0 k\u1ebft qu\u1ea3 t\u1eebng vi\u00ean.<\/span><\/li>\n<li data-start=\"12827\" data-end=\"12860\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Ng\u00e0y l\u1ea5y, ng\u00e0y th\u1eed v\u00e0 tu\u1ed5i m\u1eabu.<\/span><\/li>\n<li data-start=\"12861\" data-end=\"12895\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; V\u1ecb tr\u00ed c\u1ea5u ki\u1ec7n v\u00e0 th\u1eddi gian \u0111\u1ed5.<\/span><\/li>\n<li data-start=\"12896\" data-end=\"12940\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Phi\u1ebfu giao nh\u1eadn ho\u1eb7c th\u00f4ng tin l\u00f4 b\u00ea t\u00f4ng.<\/span><\/li>\n<li data-start=\"12941\" data-end=\"12960\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Nh\u1eadt k\u00fd thi c\u00f4ng.<\/span><\/li>\n<li data-start=\"12961\" data-end=\"12985\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; <a href=\"https:\/\/dufago.com.vn\/en\/do-sut-be-tong-bao-nhieu-la-dat-bang-tra-va-quy-trinh-huong-dan-lay-sut\/\">K\u1ebft qu\u1ea3 \u0111\u1ed9 s\u1ee5t<\/a> n\u1ebfu c\u00f3.<\/span><\/li>\n<li data-start=\"12986\" data-end=\"13023\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Th\u00f4ng tin b\u1ea3o d\u01b0\u1ee1ng m\u1eabu v\u00e0 k\u1ebft c\u1ea5u.<\/span><\/li>\n<li data-start=\"13024\" data-end=\"13075\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Nh\u1eefng bi\u00ean b\u1ea3n ghi nh\u1eadn sai l\u1ec7ch t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/span><\/li>\n<\/ul>\n<p data-start=\"13077\" data-end=\"13194\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng n\u00ean s\u1eeda l\u1ea1i m\u00e3 m\u1eabu, tu\u1ed5i m\u1eabu ho\u1eb7c th\u00f4ng tin nh\u1eadn di\u1ec7n sau khi c\u00f3 k\u1ebft qu\u1ea3 n\u1ebfu ch\u01b0a c\u00f3 bi\u00ean b\u1ea3n x\u00e1c nh\u1eadn r\u00f5 r\u00e0ng.<\/span><\/p>\n<p data-start=\"13077\" data-end=\"13194\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u01b0\u1edbc 2: Ki\u1ec3m tra quy tr\u00ecnh m\u1eabu v\u00e0 th\u00ed nghi\u1ec7m<\/span><\/strong><\/p>\n<p data-start=\"13077\" data-end=\"13194\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u00e1c b\u00ean li\u00ean quan c\u1ea7n ki\u1ec3m tra xem m\u1eabu c\u00f3 \u0111\u01b0\u1ee3c l\u1ea5y, t\u1ea1o m\u1eabu, b\u1ea3o d\u01b0\u1ee1ng, v\u1eadn chuy\u1ec3n v\u00e0 th\u1eed \u0111\u00fang quy tr\u00ecnh hay kh\u00f4ng.<\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"13363\" data-end=\"13393\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Nh\u1eefng n\u1ed9i dung c\u1ea7n l\u00e0m r\u00f5 g\u1ed3m:<\/span><\/p>\n<ul data-start=\"13395\" data-end=\"13721\">\n<li data-start=\"13395\" data-end=\"13444\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; M\u1eabu c\u00f3 \u0111\u1ea1i di\u1ec7n \u0111\u00fang cho \u0111\u1ee3t b\u00ea t\u00f4ng hay kh\u00f4ng.<\/span><\/li>\n<li data-start=\"13445\" data-end=\"13499\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Qu\u00e1 tr\u00ecnh \u0111\u1ea7m v\u00e0 ho\u00e0n thi\u1ec7n m\u1eabu c\u00f3 b\u1ea5t th\u01b0\u1eddng kh\u00f4ng.<\/span><\/li>\n<li data-start=\"13500\" data-end=\"13563\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; M\u1eabu c\u00f3 b\u1ecb m\u1ea5t n\u01b0\u1edbc, va \u0111\u1eadp ho\u1eb7c b\u1ea3o qu\u1ea3n sai \u0111i\u1ec1u ki\u1ec7n kh\u00f4ng.<\/span><\/li>\n<li data-start=\"13564\" data-end=\"13597\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Tu\u1ed5i th\u1eed c\u00f3 \u0111\u00fang y\u00eau c\u1ea7u kh\u00f4ng.<\/span><\/li>\n<li data-start=\"13598\" data-end=\"13662\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; K\u00edch th\u01b0\u1edbc, b\u1ec1 m\u1eb7t v\u00e0 v\u1ecb tr\u00ed \u0111\u1eb7t m\u1eabu khi th\u1eed c\u00f3 ph\u00f9 h\u1ee3p kh\u00f4ng.<\/span><\/li>\n<li data-start=\"13663\" data-end=\"13721\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Thi\u1ebft b\u1ecb v\u00e0 ph\u00e9p t\u00ednh k\u1ebft qu\u1ea3 c\u00f3 c\u1ea7n ki\u1ec3m tra l\u1ea1i kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<p data-start=\"13723\" data-end=\"13828\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Sai l\u1ec7ch \u1edf giai \u0111o\u1ea1n n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft qu\u1ea3 m\u1eabu kh\u00f4ng ph\u1ea3n \u00e1nh \u0111\u00fang c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a b\u00ea t\u00f4ng trong k\u1ebft c\u1ea5u.<\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"13830\" data-end=\"13870\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u01b0\u1edbc 3: \u0110\u1ed1i chi\u1ebfu d\u1eef li\u1ec7u c\u1ee7a \u0111\u1ee3t \u0111\u1ed5<\/span><\/strong><\/p>\n<p data-start=\"13872\" data-end=\"13956\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng n\u00ean xem m\u1ed9t t\u1ed5 m\u1eabu t\u00e1ch r\u1eddi kh\u1ecfi to\u00e0n b\u1ed9 h\u1ed3 s\u01a1 ch\u1ea5t l\u01b0\u1ee3ng. C\u1ea7n \u0111\u1ed1i chi\u1ebfu th\u00eam:<\/span><\/p>\n<ul data-start=\"13958\" data-end=\"14200\">\n<li data-start=\"13958\" data-end=\"13988\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; K\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c t\u1ed5 m\u1eabu kh\u00e1c.<\/span><\/li>\n<li data-start=\"13989\" data-end=\"14028\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Th\u1eddi gian v\u1eadn chuy\u1ec3n v\u00e0 th\u1eddi gian \u0111\u1ed5.<\/span><\/li>\n<li data-start=\"14029\" data-end=\"14066\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; <a href=\"https:\/\/dufago.com.vn\/en\/cach-kiem-tra-chat-luong-be-tong-tuoi-tai-cong-truong\/\">T\u00ecnh tr\u1ea1ng h\u1ed7n h\u1ee3p t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/a>.<\/span><\/li>\n<li data-start=\"14067\" data-end=\"14095\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Nh\u1eadt k\u00fd \u0111\u1ed5 v\u00e0 \u0111\u1ea7m b\u00ea t\u00f4ng.<\/span><\/li>\n<li data-start=\"14096\" data-end=\"14118\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft.<\/span><\/li>\n<li data-start=\"14119\" data-end=\"14149\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Qu\u00e1 tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng k\u1ebft c\u1ea5u.<\/span><\/li>\n<li data-start=\"14150\" data-end=\"14200\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; D\u1ea5u hi\u1ec7u b\u1ea5t th\u01b0\u1eddng quan s\u00e1t \u0111\u01b0\u1ee3c tr\u00ean c\u1ea5u ki\u1ec7n.<\/span><\/li>\n<\/ul>\n<p data-start=\"14202\" data-end=\"14319\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Vi\u1ec7c \u0111\u1ed1i chi\u1ebfu gi\u00fap x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 th\u1ea5p l\u00e0 tr\u01b0\u1eddng h\u1ee3p ri\u00eang c\u1ee7a m\u1eabu hay l\u00e0 d\u1ea5u hi\u1ec7u c\u1ea7n \u0111\u00e1nh gi\u00e1 th\u00eam tr\u00ean k\u1ebft c\u1ea5u.<\/span><\/p>\n<p data-start=\"14202\" data-end=\"14319\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>B\u01b0\u1edbc 4: \u0110\u00e1nh gi\u00e1 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng tr\u00ean k\u1ebft c\u1ea5u khi c\u1ea7n<\/strong><\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"14381\" data-end=\"14533\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">N\u1ebfu h\u1ed3 s\u01a1 v\u00e0 k\u1ebft qu\u1ea3 ki\u1ec3m tra l\u1ea1i v\u1eabn ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft lu\u1eadn, c\u00e1c b\u00ean c\u00f3 th\u1ea9m quy\u1ec1n c\u1ea7n th\u1ed1ng nh\u1ea5t ph\u01b0\u01a1ng \u00e1n \u0111\u00e1nh gi\u00e1 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng tr\u00ean k\u1ebft c\u1ea5u.<\/span><\/p>\n<p class=\"\" data-start=\"14535\" data-end=\"14869\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">TCVN 14524:2025 quy \u0111\u1ecbnh v\u1ec1 ki\u1ec3m tra v\u00e0 \u0111\u00e1nh gi\u00e1 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng tr\u00ean k\u1ebft c\u1ea5u to\u00e0n kh\u1ed1i v\u00e0 s\u1ea3n ph\u1ea9m \u0111\u00fac s\u1eb5n <strong>[4]<\/strong>. Ph\u01b0\u01a1ng ph\u00e1p, v\u1ecb tr\u00ed, s\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m ki\u1ec3m tra v\u00e0 c\u00e1ch \u0111\u00e1nh gi\u00e1 c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau, lo\u1ea1i c\u1ea5u ki\u1ec7n v\u00e0 h\u1ed3 s\u01a1 c\u00f4ng tr\u00ecnh.<\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"15262\" data-end=\"15298\"><span style=\"color: #000000;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">B\u01b0\u1edbc 5: L\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng \u00e1n x\u1eed l\u00fd<\/span><\/strong><\/span><\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"15300\" data-end=\"15455\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Sau khi c\u00f3 \u0111\u1ee7 h\u1ed3 s\u01a1 v\u00e0 k\u1ebft qu\u1ea3 \u0111\u00e1nh gi\u00e1, \u0111\u01a1n v\u1ecb thi\u1ebft k\u1ebf, ch\u1ee7 \u0111\u1ea7u t\u01b0, t\u01b0 v\u1ea5n, t\u1ed5 ch\u1ee9c ki\u1ec3m \u0111\u1ecbnh ho\u1eb7c c\u00e1c b\u00ean c\u00f3 th\u1ea9m quy\u1ec1n m\u1edbi xem x\u00e9t ph\u01b0\u01a1ng \u00e1n ti\u1ebfp theo.<\/span><\/p>\n<\/div>\n<h2 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"18973\" data-end=\"18994\"><strong><span style=\"color: #333399; font-family: arial, helvetica, sans-serif;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/span><\/strong><\/h2>\n<h3 data-start=\"18996\" data-end=\"19061\"><span style=\"color: #333399;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">1. K\u1ebft qu\u1ea3 R7 th\u1ea5p c\u00f3 \u0111\u1ed3ng ngh\u0129a b\u00ea t\u00f4ng R28 s\u1ebd kh\u00f4ng \u0111\u1ea1t kh\u00f4ng?<\/span><\/strong><\/span><\/h3>\n<p data-start=\"19063\" data-end=\"19248\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng nh\u1ea5t thi\u1ebft. R7 l\u00e0 k\u1ebft qu\u1ea3 theo d\u00f5i s\u1edbm. K\u1ebft qu\u1ea3 th\u1ea5p h\u01a1n d\u1ef1 ki\u1ebfn l\u00e0 t\u00edn hi\u1ec7u c\u1ea7n ki\u1ec3m tra c\u1ea5p ph\u1ed1i, \u0111i\u1ec1u ki\u1ec7n m\u1eabu, thi c\u00f4ng v\u00e0 b\u1ea3o d\u01b0\u1ee1ng, nh\u01b0ng kh\u00f4ng t\u1ef1 \u0111\u1ed9ng x\u00e1c \u0111\u1ecbnh k\u1ebft qu\u1ea3 R28.<\/span><\/p>\n<h3 data-start=\"19250\" data-end=\"19311\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">2. C\u00f3 th\u1ec3 k\u1ebft lu\u1eadn ch\u1ea5t l\u01b0\u1ee3ng k\u1ebft c\u1ea5u t\u1eeb m\u1ed9t vi\u00ean m\u1eabu kh\u00f4ng?<\/span><\/strong><\/h3>\n<p data-start=\"19313\" data-end=\"19489\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng n\u00ean. C\u1ea7n xem k\u1ebft qu\u1ea3 c\u1ee7a t\u1ed5 m\u1eabu, t\u00ednh \u0111\u1ea1i di\u1ec7n c\u1ee7a m\u1eabu, tu\u1ed5i th\u1eed, quy tr\u00ecnh m\u1eabu v\u00e0 ti\u00eau ch\u00ed trong h\u1ed3 s\u01a1 thi\u1ebft k\u1ebf. Khi c\u00f2n nghi ng\u1edd, c\u00f3 th\u1ec3 c\u1ea7n \u0111\u00e1nh gi\u00e1 th\u00eam tr\u00ean k\u1ebft c\u1ea5u.<\/span><\/p>\n<h3 data-start=\"19491\" data-end=\"19548\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">3. Khi n\u00e0o c\u1ea7n ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 tr\u1ef1c ti\u1ebfp tr\u00ean k\u1ebft c\u1ea5u?<\/span><\/strong><\/h3>\n<p data-start=\"19550\" data-end=\"19759\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Vi\u1ec7c n\u00e0y \u0111\u01b0\u1ee3c xem x\u00e9t khi k\u1ebft qu\u1ea3 m\u1eabu ch\u01b0a \u0111\u1ee7 \u0111\u1ec3 \u0111\u01b0a ra k\u1ebft lu\u1eadn, m\u1eabu c\u00f3 kh\u1ea3 n\u0103ng kh\u00f4ng \u0111\u1ea1i di\u1ec7n ho\u1eb7c c\u00f3 d\u1ea5u hi\u1ec7u nghi ng\u1edd v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng \u0111\u00e3 thi c\u00f4ng. Ph\u01b0\u01a1ng \u00e1n ph\u1ea3i do c\u00e1c b\u00ean c\u00f3 th\u1ea9m quy\u1ec1n th\u1ed1ng nh\u1ea5t.<\/span><\/p>\n<h3 data-start=\"19761\" data-end=\"19816\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">4. N\u00e9n m\u1eabu kh\u00f4ng \u0111\u1ea1t c\u00f3 b\u1eaft bu\u1ed9c ph\u1ea3i khoan l\u00f5i kh\u00f4ng?<\/span><\/strong><\/h3>\n<p data-start=\"19818\" data-end=\"20022\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng ph\u1ea3i m\u1ecdi tr\u01b0\u1eddng h\u1ee3p \u0111\u1ec1u b\u1eaft \u0111\u1ea7u b\u1eb1ng khoan l\u00f5i. Tr\u01b0\u1edbc h\u1ebft c\u1ea7n ki\u1ec3m tra h\u1ed3 s\u01a1, quy tr\u00ecnh m\u1eabu, k\u1ebft qu\u1ea3 th\u1eed v\u00e0 d\u1eef li\u1ec7u c\u1ee7a \u0111\u1ee3t \u0111\u1ed5. Khoan l\u00f5i ch\u1ec9 \u0111\u01b0\u1ee3c xem x\u00e9t khi ph\u00f9 h\u1ee3p v\u1edbi ph\u01b0\u01a1ng \u00e1n \u0111\u00e1nh gi\u00e1 k\u1ebft c\u1ea5u.<\/span><\/p>\n<h3 data-start=\"20024\" data-end=\"20074\"><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">5. C\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng k\u1ebft qu\u1ea3 R7 \u0111\u1ec3 th\u00e1o c\u1ed1p pha kh\u00f4ng?<\/span><\/strong><\/h3>\n<p data-start=\"20076\" data-end=\"20262\"><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Kh\u00f4ng n\u00ean quy\u1ebft \u0111\u1ecbnh ch\u1ec9 theo tu\u1ed5i b\u00ea t\u00f4ng ho\u1eb7c m\u1ed9t t\u1ef7 l\u1ec7 tham kh\u1ea3o. Vi\u1ec7c th\u00e1o c\u1ed1p pha ph\u1ea3i c\u0103n c\u1ee9 v\u00e0o c\u01b0\u1eddng \u0111\u1ed9 th\u1ef1c t\u1ebf, y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, lo\u1ea1i c\u1ea5u ki\u1ec7n v\u00e0 bi\u1ec7n ph\u00e1p thi c\u00f4ng \u0111\u01b0\u1ee3c duy\u1ec7t.<\/span><\/p>\n<div class=\"dufago-reference-block\" style=\"margin: 30px 0 0; font-family: inherit; border-top: 2px solid #e1e7ea; padding-top: 20px;\">\n<div style=\"margin: 0 0 12px; color: #40545f; font-size: 12px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase;\">Ngu\u1ed3n tham kh\u1ea3o<\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 8px;\">\n<div style=\"display: flex; flex: 1 1 calc(50% - 4px); min-width: 260px; align-items: flex-start; gap: 7px; padding: 11px 13px; border: 1px solid #e0e6e9; border-radius: 7px; background: #fff;\"><span style=\"flex: 0 0 auto; color: #c84f12; font-size: 11px; font-weight: 800;\">[1]<\/span><a style=\"color: #067cd0!important; text-decoration: none; font-size: 13px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere;\" href=\"https:\/\/thuvienphapluat.vn\/TCVN\/Xay-dung\/TCVN-3105-2022-Hon-hop-be-tong-va-be-tong-Lay-mau-che-tao-va-bao-duong-mau-thu-919663.aspx\" target=\"_blank\" rel=\"nofollow noopener\">TCVN 3105:2022 \u2013 L\u1ea5y m\u1eabu, ch\u1ebf t\u1ea1o v\u00e0 b\u1ea3o d\u01b0\u1ee1ng m\u1eabu th\u1eed<\/a><\/div>\n<div style=\"display: flex; flex: 1 1 calc(50% - 4px); min-width: 260px; align-items: flex-start; gap: 7px; padding: 11px 13px; border: 1px solid #e0e6e9; border-radius: 7px; background: #fff;\"><span style=\"flex: 0 0 auto; color: #c84f12; font-size: 11px; font-weight: 800;\">[2]<\/span><a style=\"color: #067cd0!important; text-decoration: none; font-size: 13px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere;\" href=\"https:\/\/thuvienphapluat.vn\/TCVN\/Xay-dung\/TCVN-3118-2022-Be-tong-Phuong-phap-xac-dinh-cuong-do-chiu-nen-919664.aspx\" target=\"_blank\" rel=\"nofollow noopener\">TCVN 3118:2022 \u2013 Ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n<\/a><\/div>\n<div style=\"display: flex; flex: 1 1 calc(50% - 4px); min-width: 260px; align-items: flex-start; gap: 7px; padding: 11px 13px; border: 1px solid #e0e6e9; border-radius: 7px; background: #fff;\"><span style=\"flex: 0 0 auto; color: #c84f12; font-size: 11px; font-weight: 800;\">[3]<\/span><a style=\"color: #067cd0!important; text-decoration: none; font-size: 13px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere;\" href=\"https:\/\/files.thuvienphapluat.vn\/uploads\/DOC2HTM\/TC_917896.htm\" target=\"_blank\" rel=\"nofollow noopener\">TCVN 5574:2018 \u2013 Thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u b\u00ea t\u00f4ng v\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p<\/a><\/div>\n<div style=\"display: flex; flex: 1 1 calc(50% - 4px); min-width: 260px; align-items: flex-start; gap: 7px; padding: 11px 13px; border: 1px solid #e0e6e9; border-radius: 7px; background: #fff;\"><span style=\"flex: 0 0 auto; color: #c84f12; font-size: 11px; font-weight: 800;\">[4]<\/span><a style=\"color: #067cd0!important; text-decoration: none; font-size: 13px; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere;\" href=\"https:\/\/thuvienphapluat.vn\/TCVN\/Xay-dung\/TCVN-14524-2025-Be-tong-Kiem-tra-cuong-do-ket-cau-toan-khoi-san-pham-duc-san-922246.aspx\" target=\"_blank\" rel=\"nofollow noopener\">TCVN 14524:2025 \u2013 Ki\u1ec3m tra, \u0111\u00e1nh gi\u00e1 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng tr\u00ean k\u1ebft c\u1ea5u<\/a><\/div>\n<\/div>\n<\/div>\n<style>\n\/* CH\u1ec8 \u00e1p d\u1ee5ng trong block n\u00e0y *\/<\/p>\n<p>\/* \u00c9p link kh\u00f4ng b\u1ecb theme ph\u00e1 *\/<br \/>#dufago-fixed a{<br \/>  display:inline !important;<br \/>  float:none !important;<br \/>  width:auto !important;<br \/>  white-space:nowrap !important;<br \/>  margin:0 !important;<br \/>  padding:0 !important;<br \/>}<\/p>\n<p>\/* \u0110\u01b0a label + value l\u00ean c\u00f9ng 1 h\u00e0ng ch\u1eafc ch\u1eafn *\/<br \/>#dufago-fixed .line{<br \/>  display:flex !important;<br \/>  gap:6px;<br \/>  align-items:baseline;<br \/>  flex-wrap:nowrap;<br \/>}<\/p>\n<p>\/* Label *\/<br \/>#dufago-fixed .label{<br \/>  font-weight:900;<br \/>  white-space:nowrap;<br \/>}<br \/><\/style>\n<section id=\"dufago-fixed\" style=\"background: #fff; border: 1px solid #e5e5e5; border-left: 6px solid #c00000; border-radius: 12px; padding: 22px 22px 20px; margin: 32px 0; box-shadow: 0 6px 18px rgba(0,0,0,.06); font-family: Arial,Helvetica,sans-serif; color: #111; box-sizing: border-box;\">\n<div style=\"margin: 0 0 14px; color: #c00000; font-size: 18px; font-weight: 900; text-transform: uppercase; border-bottom: 1px dashed #e0e0e0; padding-bottom: 10px; line-height: 1.25;\">DUFAGO CONCRETE<\/div>\n<div style=\"display: flex; gap: 18px; flex-wrap: wrap; box-sizing: border-box;\">\n<div style=\"flex: 1; min-width: 260px;\">\n<div class=\"line\" style=\"margin: 0 0 10px; font-size: 14px; line-height: 1.6;\"><span class=\"label\" style=\"font-weight: 900;\">Tax ID:<\/span><br \/>\n0402099824<\/div>\n<div class=\"line\" style=\"margin: 0 0 10px; font-size: 14px; line-height: 1.6;\"><span class=\"label\" style=\"font-weight: 900;\">Hotline:<\/span><br \/>\n<a style=\"color: #c00000; text-decoration: none; font-weight: 900;\" href=\"tel:0915737973\">0915 737 973<\/a><\/div>\n<div class=\"line\" style=\"margin: 0 0 10px; font-size: 14px; line-height: 1.6;\"><span class=\"label\" style=\"font-weight: 900;\">Website:<\/span><br \/>\n<a style=\"color: #0b63ce; text-decoration: none; font-weight: 900;\" href=\"https:\/\/dufago.com.vn\/en\/\" target=\"_blank\" rel=\"noopener\">www.dufago.com.vn<\/a><\/div>\n<div style=\"margin: 0; font-size: 14px; line-height: 1.6;\"><span class=\"label\" style=\"font-weight: 900; white-space: nowrap;\">Representative Office:<\/span><br \/>\n4th Floor, 76-78 Bach Dang Street, Hai Chau Ward, Da Nang City<\/div>\n<\/div>\n<div style=\"flex: 1; min-width: 260px;\">\n<div style=\"margin: 0 0 10px; font-size: 14px; line-height: 1.6;\"><span style=\"font-weight: 900;\">Dufago Cam Le Concrete Factory:<\/span><br \/>\nGroup 33, Cam Le Ward, Da Nang City<\/div>\n<div style=\"margin: 0 0 10px; font-size: 14px; line-height: 1.6;\"><span style=\"font-weight: 900;\">Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago Thanh Vinh:<\/span><br \/>\nL\u00f4 C20, C\u1ee5m C\u00f4ng nghi\u1ec7p Thanh Vinh, ph\u01b0\u1eddng Li\u00ean Chi\u1ec3u, TP. \u0110\u00e0 N\u1eb5ng<\/div>\n<div style=\"margin: 0 0 10px; font-size: 14px; line-height: 1.6;\"><span style=\"font-weight: 900;\">Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago Chu Lai:<\/span><br \/>\nKhu C\u00f4ng nghi\u1ec7p v\u00e0 H\u1eadu c\u1ea7n c\u1ea3ng Tam Hi\u1ec7p, X\u00e3 N\u00fai Th\u00e0nh, TP. \u0110\u00e0 N\u1eb5ng<\/div>\n<div style=\"margin: 0; font-size: 14px; line-height: 1.6;\"><span style=\"font-weight: 900;\">Nh\u00e0 m\u00e1y B\u00ea t\u00f4ng Dufago T\u1ecbnh Phong:<\/span><br \/>\nL\u00f4 CN 08 &#8211; KCN T\u1ecbnh Phong, X\u00e3 Th\u1ecd Phong, T\u1ec9nh Qu\u1ea3ng Ng\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n b\u00ea t\u00f4ng l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a b\u00ea t\u00f4ng ch\u1ed1ng l\u1ea1i t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c n\u00e9n tr\u01b0\u1edbc khi b\u1ecb ph\u00e1 ho\u1ea1i. Ch\u1ec9 ti\u00eau n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch th\u1eed n\u00e9n m\u1eabu b\u00ea t\u00f4ng theo quy tr\u00ecnh ti\u00eau chu\u1ea9n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng MPa. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 b\u00ea [&hellip;]<\/p>","protected":false},"author":7,"featured_media":8837,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,35],"tags":[],"class_list":["post-8819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-trong-nganh","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/8819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/comments?post=8819"}],"version-history":[{"count":18,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/8819\/revisions"}],"predecessor-version":[{"id":10923,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/8819\/revisions\/10923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/media\/8837"}],"wp:attachment":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/media?parent=8819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/categories?post=8819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/tags?post=8819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}