{"id":9139,"date":"2025-07-22T08:12:09","date_gmt":"2025-07-22T01:12:09","guid":{"rendered":"https:\/\/dufago.com.vn\/?p=9139"},"modified":"2026-01-08T14:29:21","modified_gmt":"2026-01-08T07:29:21","slug":"tim-hieu-be-tong-mac-300-khai-niem-cap-phoi-chuan-ung-dung-da-dang-va-bao-gia-moi-nhat-2025","status":"publish","type":"post","link":"https:\/\/dufago.com.vn\/en\/tim-hieu-be-tong-mac-300-khai-niem-cap-phoi-chuan-ung-dung-da-dang-va-bao-gia-moi-nhat-2025\/","title":{"rendered":"T\u00ecm hi\u1ec3u b\u00ea t\u00f4ng m\u00e1c 300: Kh\u00e1i ni\u1ec7m, c\u1ea5p ph\u1ed1i chu\u1ea9n, \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng v\u00e0 b\u00e1o gi\u00e1 m\u1edbi nh\u1ea5t 2025"},"content":{"rendered":"<p><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">B\u00ea t\u00f4ng m\u00e1c 300 (hay b\u00ea t\u00f4ng M300) l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p b\u1edfi c\u01b0\u1eddng \u0111\u1ed9 cao, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 m\u00e1c b\u00ea t\u00f4ng 300 l\u00e0 g\u00ec, c\u1ea5p ph\u1ed1i ti\u00eau chu\u1ea9n, t\u1ef7 l\u1ec7 tr\u1ed9n, gi\u00e1 c\u1ea3 v\u00e0 nh\u1eefng l\u01b0u \u00fd quan tr\u1ecdng khi s\u1eed d\u1ee5ng.<\/span><\/strong><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">B\u00ea t\u00f4ng m\u00e1c 300 l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a v\u00e0 ch\u1ec9 s\u1ed1 k\u1ef9 thu\u1eadt<\/span><\/strong><\/h2>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Kh\u00e1i ni\u1ec7m b\u00ea t\u00f4ng m\u00e1c 300<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u00ea t\u00f4ng m\u00e1c 300 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c n\u00e9n t\u1ed1i thi\u1ec3u l\u00e0 300 kg\/cm\u00b2 (kilogam tr\u00ean centimet vu\u00f4ng) ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 28.90 MPa (Megapascal). <\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Con s\u1ed1 300 n\u00e0y l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n nh\u1ecf nh\u1ea5t m\u00e0 95% c\u00e1c m\u1eabu b\u00ea t\u00f4ng ki\u1ec3m tra ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c sau 28 ng\u00e0y b\u1ea3o d\u01b0\u1ee1ng trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n. Trong h\u1ec7 \u0111\u01a1n v\u1ecb qu\u1ed1c t\u1ebf, c\u01b0\u1eddng \u0111\u1ed9 n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng <span class=\"math-inline\" data-math=\"28.90 \\text{ MPa}\">28.90 MPa<\/span>\u00a0(Megapascal).<\/span><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">M\u00e1c 300 v\u00e0 c\u1ea5p \u0111\u1ed9 b\u1ec1n t\u01b0\u01a1ng \u1ee9ng (B22.5)<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Theo Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam hi\u1ec7n h\u00e0nh (<span class=\"math-inline\" data-math=\"\\text{TCVN } 5574:2018\">TCVN 5574:2018<\/span>), b\u00ea t\u00f4ng M\u00e1c 300 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ea5p \u0111\u1ed9 b\u1ec1n B22.5.<\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>K\u00fd hi\u1ec7u<\/th>\n<th>Gi\u00e1 tr\u1ecb<\/th>\n<th>\u0110\u01a1n v\u1ecb<\/th>\n<\/tr>\n<tr>\n<td>M\u00e1c b\u00ea t\u00f4ng (Ti\u00eau chu\u1ea9n c\u0169)<\/td>\n<td>M300<\/td>\n<td>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n t\u1ed1i thi\u1ec3u l\u00e0 300<\/td>\n<td>kg\/cm2<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p \u0111\u1ed9 b\u1ec1n (Ti\u00eau chu\u1ea9n m\u1edbi)<\/td>\n<td>B22.5<\/td>\n<td>C\u01b0\u1eddng \u0111\u1ed9 \u0111\u1eb7c tr\u01b0ng ch\u1ecbu n\u00e9n l\u00e0 22.5<\/td>\n<td>MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"horizontal-scroll-wrapper\">\n<div class=\"table-block-component\">\n<div class=\"table-block has-export-button\">\n<div class=\"table-content not-end-of-paragraph\" data-hveid=\"0\" data-ved=\"0CAAQ3ecQahgKEwi8nPj30eaQAxUAAAAAHQAAAAAQyQM\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-large wp-image-9143\" style=\"font-weight: 600; text-align: center;\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-1024x768.jpg 1024w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-750x563.jpg 750w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3-1140x855.jpg 1140w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-3.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>B\u00ea t\u00f4ng m\u00e1c 300 l\u00e0 g\u00ec?<\/p>\n<h3><span style=\"color: #333399;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng m\u00e1c 300 ph\u00e1t tri\u1ec3n theo th\u1eddi gian (R7\/R28)<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a b\u00ea t\u00f4ng M\u00e1c 300 l\u00e0 qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a li\u00ean t\u1ee5c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c m\u1ed1c c\u01b0\u1eddng \u0111\u1ed9 quan tr\u1ecdng:<\/span><\/p>\n<p><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Th\u1eddi gian \u0111\u00f4ng k\u1ebft ban \u0111\u1ea7u:\u00a0<\/span><\/strong><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110\u00f4ng k\u1ebft s\u01a1 b\u1ed9: Kho\u1ea3ng <span class=\"math-inline\" data-math=\"1-3\">1-3<\/span>\u00a0gi\u1edd sau khi \u0111\u1ed5.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110\u00f4ng k\u1ebft cu\u1ed1i c\u00f9ng: Kho\u1ea3ng <span class=\"math-inline\" data-math=\"3-6\">3-6<\/span>\u00a0gi\u1edd sau khi \u0111\u1ed5. B\u1ec1 m\u1eb7t \u0111\u1ee7 c\u1ee9ng \u0111\u1ec3 ch\u1ecbu t\u1ea3i tr\u1ecdng nh\u1eb9.<\/span><\/li>\n<\/ul>\n<p><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng M\u00e1c 300 sau 7 ng\u00e0y \u0111\u1ea1t bao nhi\u00eau?<\/span><\/strong><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng sau 7 ng\u00e0y (R7)\u00a0l\u00e0 m\u1ed1c then ch\u1ed1t \u0111\u1ec3 quy\u1ebft \u0111\u1ecbnh th\u00e1o c\u1ed1p-pha.<\/span><\/p>\n<ul>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Theo quy lu\u1eadt ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 chu\u1ea9n, b\u00ea t\u00f4ng M300 sau 7 ng\u00e0y b\u1ea3o d\u01b0\u1ee1ng s\u1ebd \u0111\u1ea1t kho\u1ea3ng <span class=\"math-inline\" data-math=\"65\\% - 75\\%\">65% &#8211; 75%<\/span>\u00a0c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf.<\/span><\/li>\n<li><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; T\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 195 kg\/cm2 \u0111\u1ebfn 225 kg\/cm2.<\/span><\/li>\n<\/ul>\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<\/th>\n<th>C\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ea1t \u0111\u01b0\u1ee3c<\/th>\n<th><\/th>\n<\/tr>\n<tr>\n<td>7 ng\u00e0y (R7)<\/td>\n<td>65% \u2013 75%<\/td>\n<td>195 \u2013 225 kg\/cm2<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>28 ng\u00e0y (R28)<\/td>\n<td>95% \u2013 100%<\/td>\n<td>300 kg\/cm2<\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">\u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a b\u00ea t\u00f4ng m\u00e1c 300<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n cao: <\/strong>\u0110\u00e2y l\u00e0 \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u1ea5t, gi\u00fap k\u1ebft c\u1ea5u c\u00f4ng tr\u00ecnh v\u1eefng ch\u1eafc, b\u1ec1n b\u1ec9 theo th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi c\u00e1c c\u1ea5u ki\u1ec7n ch\u1ecbu l\u1ef1c ch\u00ednh.\u00a0<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; \u0110\u1ed9 b\u1ec1n v\u1eefng v\u00e0 \u1ed5n \u0111\u1ecbnh:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu t\u1ed1t v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t, n\u01b0\u1edbc, h\u00f3a ch\u1ea5t (trong m\u1ed9t ch\u1eebng m\u1ef1c nh\u1ea5t \u0111\u1ecbnh), \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c t\u1ed1t:<\/strong> C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng cho nhi\u1ec1u h\u1ea1ng m\u1ee5c y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng l\u1edbn, t\u1eeb m\u00f3ng \u0111\u1ebfn s\u00e0n, c\u1ed9t, d\u1ea7m.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; T\u00ednh \u1ee9ng d\u1ee5ng linh ho\u1ea1t:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u lo\u1ea1i h\u00ecnh c\u00f4ng tr\u00ecnh kh\u00e1c nhau, t\u1eeb d\u00e2n d\u1ee5ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p v\u00e0 h\u1ea1 t\u1ea7ng.<\/span><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Th\u00e0nh ph\u1ea7n v\u00e0 c\u1ea5p ph\u1ed1i chu\u1ea9n c\u1ee7a b\u00ea t\u00f4ng M300<\/span><\/strong><\/h2>\n<h3><span style=\"color: #333399;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">C\u00e1c v\u1eadt li\u1ec7u c\u1ea5u th\u00e0nh m\u00e1c b\u00ea t\u00f4ng 300<\/span><\/strong><\/span><\/h3>\n<figure id=\"attachment_9142\" aria-describedby=\"caption-attachment-9142\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-large wp-image-9142\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-1024x768.jpg 1024w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-750x563.jpg 750w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2-1140x855.jpg 1140w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-2.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-9142\" class=\"wp-caption-text\">C\u00e1c v\u1eadt li\u1ec7u c\u1ea5u th\u00e0nh m\u00e1c b\u00ea t\u00f4ng 300<\/figcaption><\/figure>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; Xi m\u0103ng:<\/strong> C\u00e1c lo\u1ea1i xi m\u0103ng th\u01b0\u1eddng d\u00f9ng l\u00e0 xi m\u0103ng PCB30 ho\u1eb7c PCB40<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; C\u00e1t:<\/strong> C\u1ea7n l\u00e0 lo\u1ea1i c\u00e1t s\u1ea1ch, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1, b\u00f9n s\u00e9t, mu\u1ed1i clorua. C\u00e1t m\u1ecbn ho\u1eb7c c\u00e1t v\u00e0ng \u0111\u1ec1u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; \u0110\u00e1 d\u0103m:<\/strong> L\u00e0 c\u1ed1t li\u1ec7u th\u00f4, th\u01b0\u1eddng s\u1eed d\u1ee5ng lo\u1ea1i \u0111\u00e1 1&#215;2 ho\u1eb7c 2x4cm, ph\u1ea3i \u0111\u1ea3m b\u1ea3o s\u1ea1ch, c\u01b0\u1eddng \u0111\u1ed9 t\u1ed1t, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; N\u01b0\u1edbc:<\/strong> N\u01b0\u1edbc d\u00f9ng \u0111\u1ec3 tr\u1ed9n b\u00ea t\u00f4ng ph\u1ea3i l\u00e0 n\u01b0\u1edbc s\u1ea1ch, kh\u00f4ng ch\u1ee9a d\u1ea7u m\u1ee1, axit, ki\u1ec1m, \u0111\u01b0\u1eddng, ho\u1eb7c c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh \u0111\u00f4ng k\u1ebft v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong>&#8211; Ph\u1ee5 gia (n\u1ebfu c\u00f3):<\/strong> C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ph\u1ee5 gia ho\u00e1 h\u1ecdc ho\u1eb7c ph\u1ee5 gia kho\u00e1ng.<\/span><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">\u0110\u1ecbnh m\u1ee9c v\u00e0 t\u1ef7 l\u1ec7 c\u1ea5p ph\u1ed1i 1m3 b\u00ea t\u00f4ng m\u00e1c 300 theo ti\u00eau chu\u1ea9n B\u1ed9 X\u00e2y d\u1ef1ng<\/span><\/strong><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng m\u00e1c 300 ch\u00ednh l\u00e0 &#8220;c\u00f4ng th\u1ee9c&#8221; \u0111\u1ec3 t\u1ea1o ra b\u00ea t\u00f4ng \u0111\u1ea1t ch\u1ea5t l\u01b0\u1ee3ng. Kh\u00e1m ph\u00e1 ngay \u0111\u1ecbnh m\u1ee9c c\u1ea5p ph\u1ed1i chu\u1ea9n d\u01b0\u1edbi \u0111\u00e2y s\u1ebd tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c c\u00e2u h\u1ecfi: 1m3 b\u00ea t\u00f4ng m\u00e1c 300 d\u00f9ng xi m\u0103ng PCB40 c\u1ea7n bao nhi\u00eau?<\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Lo\u1ea1i Xi M\u0103ng<\/th>\n<th>Xi M\u0103ng (kg)<\/th>\n<th>C\u00e1t (m\u00b3)<\/th>\n<th>\u0110\u00e1 (m\u00b3)<\/th>\n<\/tr>\n<tr>\n<td>PCB30<\/td>\n<td>439<\/td>\n<td>0.457<\/td>\n<td>0.884<\/td>\n<\/tr>\n<tr>\n<td>PCB40<\/td>\n<td>381<\/td>\n<td>0.463<\/td>\n<td>0.885<\/td>\n<\/tr>\n<tr>\n<td>PCB30<\/td>\n<td>452<\/td>\n<td>0.449<\/td>\n<td>0.875<\/td>\n<\/tr>\n<tr>\n<td>PCB40<\/td>\n<td>392<\/td>\n<td>0.456<\/td>\n<td>0.878<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Th\u1eddi gian \u0111\u00f4ng k\u1ebft c\u1ee7a b\u00ea t\u00f4ng m\u00e1c 300<\/span><\/strong><\/h2>\n<p><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; color: #000000;\">Th\u1eddi gian \u0111\u00f4ng k\u1ebft c\u1ee7a m\u00e1c b\u00ea t\u00f4ng 300 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t con s\u1ed1 c\u1ed1 \u0111\u1ecbnh, m\u00e0 \u0111\u01b0\u1ee3c chia th\u00e0nh 2 giai \u0111o\u1ea1n v\u00e0 ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau:<\/span><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Th\u1eddi gian \u0111\u00f4ng k\u1ebft ban \u0111\u1ea7u v\u00e0 cu\u1ed1i c\u00f9ng<\/span><\/strong><\/h3>\n<p><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; color: #000000;\">\u0110\u00e2y l\u00e0 giai \u0111o\u1ea1n b\u00ea t\u00f4ng chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i d\u1ebbo sang tr\u1ea1ng th\u00e1i c\u1ee9ng:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110\u00f4ng k\u1ebft s\u01a1 b\u1ed9 (B\u1eaft \u0111\u1ea7u c\u1ee9ng):<span style=\"font-weight: 400;\"> Kho\u1ea3ng <\/span>1 &#8211; 3 gi\u1edd<span style=\"font-weight: 400;\"> sau khi \u0111\u1ed5. L\u00fac n\u00e0y, b\u00ea t\u00f4ng m\u1ea5t d\u1ea7n t\u00ednh d\u1ebbo v\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ea7m l\u00e8n \u0111\u01b0\u1ee3c n\u1eefa.<\/span><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; \u0110\u00f4ng k\u1ebft cu\u1ed1i c\u00f9ng (C\u1ee9ng ho\u00e0n to\u00e0n b\u1ec1 m\u1eb7t):<span style=\"font-weight: 400;\"> Kho\u1ea3ng <\/span>3 &#8211; 6 gi\u1edd<span style=\"font-weight: 400;\"> sau khi \u0111\u1ed5. L\u00fac n\u00e0y, b\u00ea t\u00f4ng \u0111\u1ee7 \u0111\u1ed9 c\u1ee9ng ban \u0111\u1ea7u, b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng nh\u1eb9 (v\u00ed d\u1ee5: ng\u01b0\u1eddi \u0111i l\u1ea1i nh\u1eb9 nh\u00e0ng \u0111\u1ec3 ho\u00e0n thi\u1ec7n m\u1eb7t s\u00e0n).<\/span><\/span><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Th\u1eddi gian ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9<\/span><\/strong><\/h3>\n<p><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; color: #000000;\">Giai \u0111o\u1ea1n n\u00e0y l\u00e0 qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a ti\u1ebfp t\u1ee5c \u0111\u1ec3 b\u00ea t\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf (m\u00e1c 300):<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu l\u1ef1c trung b\u00ecnh (c\u00f3 th\u1ec3 th\u00e1o c\u1ed1p-pha d\u1ea7m, s\u00e0n):<span style=\"font-weight: 400;\"> Th\u01b0\u1eddng sau <\/span>7 &#8211; 10 ng\u00e0y<span style=\"font-weight: 400;\"> (b\u00ea t\u00f4ng c\u00f3 th\u1ec3 \u0111\u1ea1t kho\u1ea3ng 65% &#8211; 75% c\u01b0\u1eddng \u0111\u1ed9 cu\u1ed1i).<\/span><\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf (\u0110\u1ea1t M\u00e1c 300):<span style=\"font-weight: 400;\"> After <\/span>28 ng\u00e0y<span style=\"font-weight: 400;\"> b\u1ea3o d\u01b0\u1ee1ng li\u00ean t\u1ee5c v\u00e0 \u0111\u00fang c\u00e1ch. \u0110\u00e2y l\u00e0 m\u1ed1c th\u1eddi gian ti\u00eau chu\u1ea9n \u0111\u1ec3 b\u00ea t\u00f4ng \u0111\u1ea1t 95-100% c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n thi\u1ebft k\u1ebf.<\/span><\/span><\/p>\n<p><strong style=\"color: #1d1f20; font-size: 1.953em;\"><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">\u1ee8ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a b\u00ea t\u00f4ng M300 trong x\u00e2y d\u1ef1ng<\/span><\/strong><\/p>\n<figure id=\"attachment_9141\" aria-describedby=\"caption-attachment-9141\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-large wp-image-9141\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-1024x768.jpg 1024w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-750x563.jpg 750w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1-1140x855.jpg 1140w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-1.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-9141\" class=\"wp-caption-text\">\u1ee8ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a b\u00ea t\u00f4ng M300 trong x\u00e2y d\u1ef1ng<\/figcaption><\/figure>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\"><strong><a style=\"color: #000000;\" href=\"https:\/\/dufago.com.vn\/en\/mac-be-tong-la-gi-5-loai-mac-be-tong-pho-bien\/\">Concrete grade<\/a><\/strong> 300 \u1ee9ng d\u1ee5ng r\u1ea5t \u0111a d\u1ee5ng trong nhi\u1ec1u c\u00f4ng tr\u00ecnh:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; Nh\u00e0 ph\u1ed1, bi\u1ec7t th\u1ef1, \u0111\u1eb7c bi\u1ec7t ph\u1ea7n m\u00f3ng, d\u1ea7m, s\u00e0n<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng: c\u1ea7u thang b\u1ed9, nh\u00e0 xe<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; K\u1ebft c\u1ea5u ch\u1ecbu l\u1ef1c trong nh\u00e0 x\u01b0\u1edfng, nh\u00e0 kho<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u00e1c c\u00f4ng tr\u00ecnh y\u00eau c\u1ea7u \u0111\u1ed9 b\u1ec1n v\u1eefng l\u00e2u d\u00e0i<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">So v\u1edbi c\u00e1c lo\u1ea1i m\u00e1c th\u1ea5p nh\u01b0 M200, M250, b\u00ea t\u00f4ng M300 cho hi\u1ec7u qu\u1ea3 ch\u1ecbu l\u1ef1c v\u00e0 tu\u1ed5i th\u1ecd cao h\u01a1n \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u00ea t\u00f4ng m\u00e1c 300 c\u0169ng l\u00e0 v\u1eadt li\u1ec7u l\u00fd t\u01b0\u1edfng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c c\u1ea5u ki\u1ec7n \u0111\u00fac s\u1eb5n, mang l\u1ea1i hi\u1ec7u qu\u1ea3 cao trong thi c\u00f4ng: c\u1ecdc b\u00ea t\u00f4ng, \u1ed1ng c\u1ed1ng, d\u1ea7m d\u1ef1 \u1ee9ng l\u1ef1c.<\/span><\/p>\n<p><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">See more:\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/dufago.com.vn\/en\/gia-be-tong-tuoi-mac-250-cap-nhat-moi-nhat-bao-gia-chi-tiet\/\">Gi\u00e1 b\u00ea t\u00f4ng t\u01b0\u01a1i m\u00e1c 250: C\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t &amp; b\u00e1o gi\u00e1 chi ti\u1ebft<\/a><\/span><\/span><\/strong><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">So s\u00e1nh m\u00e1c b\u00ea t\u00f4ng 300 v\u00e0 m\u00e1c b\u00ea t\u00f4ng 250<\/span><\/strong><\/h2>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Criteria<\/th>\n<th>B\u00ea t\u00f4ng m\u00e1c 250<\/th>\n<th>B\u00ea t\u00f4ng m\u00e1c 300<\/th>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 n\u00e9n (kg\/cm\u00b2)<\/td>\n<td>~250<\/td>\n<td>~300<\/td>\n<\/tr>\n<tr>\n<td>Application<\/td>\n<td>Nh\u00e0 1\u20132 t\u1ea7ng<\/td>\n<td>Nh\u00e0 2\u20134 t\u1ea7ng<\/td>\n<\/tr>\n<tr>\n<td>L\u01b0\u1ee3ng xi m\u0103ng<\/td>\n<td>\u00cdt h\u01a1n<\/td>\n<td>Nhi\u1ec1u h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Gi\u00e1 th\u00e0nh<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>Cao h\u01a1n (~10\u201315%)<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>T\u1ed1t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em><span style=\"font-family: arial, helvetica, sans-serif;\"><b>Note:<\/b> B\u1ea3ng so s\u00e1nh tr\u00ean mang t\u00ednh ch\u1ea5t tham kh\u1ea3o chung<\/span><\/em><\/p>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 b\u00ea t\u00f4ng m\u00e1c 300<\/span><\/strong><\/h2>\n<h3><span style=\"color: #333399;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">1. B\u00e1o gi\u00e1 \u0111\u1ed5 b\u00ea t\u00f4ng m\u00e1c 300 m\u1edbi nh\u1ea5t<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Hi\u1ec7n nay, \u1edf t\u1ea1i th\u1ecb tr\u01b0\u1eddng \u0110\u00e0 N\u1eb5ng, gi\u00e1 \u0111\u1ed5 1m3 b\u00ea t\u00f4ng m\u00e1c 300 th\u01b0\u1eddng giao \u0111\u1ed9ng kho\u1ea3ng 1.475.000 \u2013 1.675.000 VN\u0110\/m\u00b3. Gi\u00e1 n\u00e0y \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt sau khi \u0111\u1ee3t gi\u00e1 v\u1eadt li\u1ec7u c\u00e1t t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng t\u0103ng cao.<\/span><\/p>\n<p><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">See more: <a href=\"https:\/\/dufago.com.vn\/en\/bao-gia-be-tong-tuoi-be-tong-dufago-da-nang\/\">Tham kh\u1ea3o b\u1ea3ng gi\u00e1 chi ti\u1ebft \u0111\u1ed5 b\u00ea t\u00f4ng t\u01b0\u01a1i m\u1edbi nh\u1ea5t 2025<\/a><\/span><\/strong><\/p>\n<figure id=\"attachment_9146\" aria-describedby=\"caption-attachment-9146\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-9146\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-1024x768.jpg 1024w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-750x563.jpg 750w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6-1140x855.jpg 1140w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-6.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-9146\" class=\"wp-caption-text\">B\u00e1o gi\u00e1 \u0111\u1ed5 b\u00ea t\u00f4ng m\u00e1c 300 m\u1edbi nh\u1ea5t<\/figcaption><\/figure>\n<h3><span style=\"color: #333399;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">2. B\u00ea t\u00f4ng m\u00e1c 300 bao l\u00e2u th\u00ec kh\u00f4 v\u00e0 \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9?<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Qu\u00e1 tr\u00ecnh kh\u00f4 c\u1ee7a b\u00ea t\u00f4ng th\u1ef1c ch\u1ea5t l\u00e0 qu\u00e1 tr\u00ecnh th\u1ee7y h\u00f3a c\u1ee7a xi m\u0103ng, d\u1eabn \u0111\u1ebfn s\u1ef1 \u0111\u00f4ng k\u1ebft v\u00e0 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9. B\u00ea t\u00f4ng m\u00e1c 300 s\u1ebd \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf (m\u00e1c 300) sau 28 ng\u00e0y \u0111\u01b0\u1ee3c d\u01b0\u1ee1ng h\u1ed9 trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n (\u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p).<\/span><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">3. B\u00ea t\u00f4ng m\u00e1c 300 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n nh\u01b0 th\u1ebf n\u00e0o?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u00ea t\u00f4ng m\u00e1c 300 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n t\u1ed1i thi\u1ec3u l\u00e0 300 kg\/cm\u00b2 (kilogam tr\u00ean centimet vu\u00f4ng). Trong h\u1ec7 \u0111o l\u01b0\u1eddng qu\u1ed1c t\u1ebf (SI), con s\u1ed1 n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 28.90 MPa (Megapascal).<\/span><\/p>\n<h3><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">4. B\u00ea t\u00f4ng m\u00e1c 300 ch\u1ecbu t\u1ea3i bao nhi\u00eau?<\/span><\/strong><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">B\u00ea t\u00f4ng m\u00e1c 300 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i tr\u1ecdng l\u1edbn, nh\u01b0ng &#8220;ch\u1ecbu t\u1ea3i bao nhi\u00eau&#8221; c\u00f2n ph\u1ee5 thu\u1ed9c v\u00e0o k\u1ebft c\u1ea5u c\u1ee7a c\u00f4ng tr\u00ecnh (k\u00edch th\u01b0\u1edbc d\u1ea7m, c\u1ed9t, s\u00e0n, m\u00f3ng), l\u01b0\u1ee3ng th\u00e9p \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed (b\u00ea t\u00f4ng c\u1ed1t th\u00e9p), v\u00e0 thi\u1ebft k\u1ebf t\u1ed5ng th\u1ec3 c\u1ee7a k\u1ef9 s\u01b0.<\/span><\/p>\n<figure id=\"attachment_9144\" aria-describedby=\"caption-attachment-9144\" style=\"width: 1024px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-9144\" src=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-1024x768.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-1024x768.jpg 1024w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-300x225.jpg 300w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-768x576.jpg 768w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-16x12.jpg 16w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-750x563.jpg 750w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4-1140x855.jpg 1140w, https:\/\/dufago.com.vn\/wp-content\/uploads\/2025\/07\/be-tong-mac-300-4.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption id=\"caption-attachment-9144\" class=\"wp-caption-text\">B\u00ea t\u00f4ng m\u00e1c 300 ch\u1ecbu t\u1ea3i bao nhi\u00eau?<\/figcaption><\/figure>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u1eefng m\u1ee9c ch\u1ecbu t\u1ea3i c\u1ee7a M300 nh\u01b0:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; M\u00f3ng c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u1ed9t, d\u1ea7m, s\u00e0n trong nh\u00e0 cao t\u1ea7ng, nh\u00e0 x\u01b0\u1edfng.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">&#8211; C\u1ea7u, \u0111\u01b0\u1eddng, c\u00e1c c\u00f4ng tr\u00ecnh h\u1ea1 t\u1ea7ng c\u00f3 t\u1ea3i tr\u1ecdng giao th\u00f4ng l\u1edbn.<\/span><\/p>\n<p><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">Xem ngay:\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/dufago.com.vn\/en\/tim-hieu-sika-r7-phu-gia-dong-ket-nhanh-cho-be-tong\/\">T\u00ecm hi\u1ec3u Sika R7: Ph\u1ee5 gia \u0111\u00f4ng k\u1ebft nhanh cho b\u00ea t\u00f4ng<\/a><\/span><\/span><\/strong><\/p>\n<h3><span style=\"color: #333399;\"><strong><span style=\"font-family: arial, helvetica, sans-serif;\">5. B\u00ea t\u00f4ng m\u00e1c 300 c\u1ea5p \u0111\u1ed9 b\u1ec1n bao nhi\u00eau?<\/span><\/strong><\/span><\/h3>\n<p><span style=\"font-weight: 400; font-family: arial, helvetica, sans-serif; color: #000000;\">B\u00ea t\u00f4ng m\u00e1c 300 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ea5p \u0111\u1ed9 b\u1ec1n B22.5 (theo Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam TCVN).<\/span><\/p>\n<table class=\"dufago-table\">\n<tbody>\n<tr>\n<th>Thu\u1eadt ng\u1eef<\/th>\n<th>K\u00fd hi\u1ec7u<\/th>\n<th>Gi\u00e1 tr\u1ecb<\/th>\n<th>\u0110\u01a1n v\u1ecb<\/th>\n<\/tr>\n<tr>\n<td>Concrete grade<\/td>\n<td>M300<\/td>\n<td>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n t\u1ed1i thi\u1ec3u c\u1ee7a 95% m\u1eabu th\u1eed l\u00e0 300<\/td>\n<td>kg\/cm2<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p \u0111\u1ed9 b\u1ec1n<\/td>\n<td>B22.5<\/td>\n<td>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n \u0111\u1eb7c tr\u01b0ng l\u00e0 22.5<\/td>\n<td>MPa<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n<\/td>\n<td><\/td>\n<td>Kho\u1ea3ng 28.90<\/td>\n<td>MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong><span style=\"font-family: arial, helvetica, sans-serif; color: #333399;\">\u0110\u01a1n v\u1ecb cung c\u1ea5p b\u00ea t\u00f4ng t\u01b0\u01a1i m\u00e1c 300 gi\u00e1 t\u1ed1t<\/span><\/strong><\/h2>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">Khi t\u00ecm ki\u1ebfm b\u00ea t\u00f4ng t\u01b0\u01a1i m\u00e1c 300 t\u1ea1i \u0110\u00e0 N\u1eb5ng, <strong>automatically<\/strong> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady. V\u1edbi h\u1ec7 th\u1ed1ng tr\u1ea1m tr\u1ed9n hi\u1ec7n \u0111\u1ea1i v\u00e0 tr\u1ea3i d\u00e0i kh\u1eafp c\u00e1c t\u1ec9nh, Dufago kh\u00f4ng ch\u1ec9 cung c\u1ea5p b\u00ea t\u00f4ng m\u00e1c 300 v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao m\u00e0 c\u00f2n mang \u0111\u1ebfn gi\u00e1 c\u1ea3 c\u1ea1nh tranh.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif; color: #000000;\">D\u1ecbch v\u1ee5 cung c\u1ea5p b\u00ea t\u00f4ng th\u01b0\u01a1ng ph\u1ea9m m\u00e1c 300 t\u1ea1i Dufago chuy\u00ean nghi\u1ec7p, t\u1eadn t\u00e2m v\u00e0 h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a m\u1ecdi c\u00f4ng tr\u00ecnh. \u0110\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 b\u00ea t\u00f4ng m\u00e1c 300 chi ti\u1ebft v\u00e0 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n c\u1ee5 th\u1ec3, b\u1ea1n c\u00f3 th\u1ec3 li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi Dufago qua th\u00f4ng tin d\u01b0\u1edbi \u0111\u00e2y:<\/span><\/p>\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 \/>\n#dufago-fixed a{<br \/>\n  display:inline !important;<br \/>\n  float:none !important;<br \/>\n  width:auto !important;<br \/>\n  white-space:nowrap !important;<br \/>\n  margin:0 !important;<br \/>\n  padding:0 !important;<br \/>\n}<\/p>\n<p>\/* \u0110\u01b0a label + value l\u00ean c\u00f9ng 1 h\u00e0ng ch\u1eafc ch\u1eafn *\/<br \/>\n#dufago-fixed .line{<br \/>\n  display:flex !important;<br \/>\n  gap:6px;<br \/>\n  align-items:baseline;<br \/>\n  flex-wrap:nowrap;<br \/>\n}<\/p>\n<p>\/* Label *\/<br \/>\n#dufago-fixed .label{<br \/>\n  font-weight:900;<br \/>\n  white-space:nowrap;<br \/>\n}<br \/>\n<\/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>B\u00ea t\u00f4ng m\u00e1c 300 (hay b\u00ea t\u00f4ng M300) l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p b\u1edfi c\u01b0\u1eddng \u0111\u1ed9 cao, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1t v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 m\u00e1c b\u00ea t\u00f4ng 300 l\u00e0 g\u00ec, c\u1ea5p ph\u1ed1i [&hellip;]<\/p>","protected":false},"author":7,"featured_media":9140,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,35],"tags":[],"class_list":["post-9139","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\/9139","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=9139"}],"version-history":[{"count":15,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/9139\/revisions"}],"predecessor-version":[{"id":9961,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/posts\/9139\/revisions\/9961"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/media\/9140"}],"wp:attachment":[{"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/media?parent=9139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/categories?post=9139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dufago.com.vn\/en\/wp-json\/wp\/v2\/tags?post=9139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}