{"id":10717,"date":"2024-05-29T13:17:51","date_gmt":"2024-05-29T13:17:51","guid":{"rendered":"https:\/\/kientrucchanan.com\/?p=10717"},"modified":"2024-05-29T13:17:51","modified_gmt":"2024-05-29T13:17:51","slug":"mac-be-tong-la-gi","status":"publish","type":"post","link":"https:\/\/kientrucchanan.com\/?p=10717","title":{"rendered":"M\u00e1c b\u00ea t\u00f4ng l\u00e0 g\u00ec?"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">M\u00e1c b\u00ea t\u00f4ng l\u00e0 g\u00ec?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1c b\u00ea t\u00f4ng l\u00e0 t\u00ean g\u1ecdi theo c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a c\u1ee7a Vi\u1ec7t Nam \u0111\u01b0\u1ee3c d\u1ecbch l\u1ea1i t\u1eeb ti\u00eau chu\u1ea9n c\u1ee7a Li\u00ean X\u00f4 v\u00e0 v\u1eabn c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ebfn b\u00e2y gi\u1edd. M\u00e1c b\u00ea t\u00f4ng l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n c\u1ee7a m\u1eabu b\u00ea t\u00f4ng h\u00ecnh l\u1eadp ph\u01b0\u01a1ng k\u00edch th\u01b0\u1edbc 15x15x15 cm \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng trong \u0111i\u1ec1u ki\u1ec7n ti\u1ec3u chu\u1ea9n trong 28 ng\u00e0y. (\u0111\u01a1n v\u1ecb l\u00e0 kg\/cm<sup>2<\/sup>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh l\u00e0 b\u00ea t\u00f4ng m\u00e1c M200, ng\u01b0\u1eddi ta t\u1ea1o c\u00e1c m\u1eabu b\u00ea t\u00f4ng h\u00ecnh l\u1eadp ph\u01b0\u01a1ng v\u00e0 b\u1ea3o d\u01b0\u1ee1ng trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n trong 28 ng\u00e0y, sau \u0111\u00f3 mang m\u1eabu \u0111i th\u00ed nghi\u1ec7m n\u00e9n.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>M\u1eabu b\u1ecb ph\u00e1 h\u1ee7y v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 &gt; 200 kG\/cm<sup>2<\/sup>&nbsp;\u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u1ea1t.<\/li><li>M\u1ea5u b\u1ecb ph\u00e1 h\u1ee7y v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 &lt; 200 kG\/cm<sup>2<\/sup>&nbsp;l\u00e0 kh\u00f4ng \u0111\u1ea1t.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u01a1n v\u1ecb v\u00e0 k\u00ed hi\u1ec7u c\u1ee7a m\u00e1c b\u00ea t\u00f4ng l\u00e0 g\u00ec?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1c b\u00ea t\u00f4ng c\u00f3 \u0111\u01a1n v\u1ecb l\u00e0:&nbsp;kg\/cm<sup>2<\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1eb1ng ch\u1eef:&nbsp;M.&nbsp;\u0110\u00e2y l\u00e0 k\u00fd hi\u1ec7u theo ti\u00eau chu\u1ea9n c\u0169 nh\u01b0 M200, M250, M300\u2026\u2026\u2026..<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec7n nay \u0111\u00f4i khi trong c\u00e1c b\u1ea3n v\u1ebd x\u00e2y d\u1ef1ng b\u1ea1n s\u1ebd th\u1ea5y c\u00f3 k\u1ef9 hi\u1ec7u ch\u1eef&nbsp;B nh\u01b0 B20&nbsp; (M250), B22,5 (M300), B25(M350)\u2026\u2026<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>M\u00e1c b\u00ea t\u00f4ng g\u1ed3m nh\u1eefng lo\u1ea1i n\u00e0o?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>M100:<\/strong>M\u00e1c b\u00ea t\u00f4ng 100 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B7.5 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 9.63 Mpa.<\/li><li><strong>M150:<\/strong>M\u00e1c b\u00ea t\u00f4ng 150 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B12.5 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 16.05 Mpa.<\/li><li><strong>M200:<\/strong>M\u00e1c b\u00ea t\u00f4ng 200 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B15 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 19.27 Mpa.<\/li><li><strong>M250:<\/strong>B\u00ea t\u00f4ng m\u00e1c 250 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B20 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 25.69 Mpa.<\/li><li><strong>M300<\/strong>: M\u00e1c b\u00ea t\u00f4ng 300 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B22.5 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 28.90 Mpa.<\/li><li><strong>M400:<\/strong>M\u00e1c b\u00ea t\u00f4ng 400&nbsp;l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B30 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 38.53 Mpa.<\/li><li><strong>M500:<\/strong>M\u00e1c b\u00ea t\u00f4ng 500 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B40 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 51.37 Mp.<\/li><li><strong>M600:<\/strong>M\u00e1c b\u00ea t\u00f4ng 600 l\u00e0 lo\u1ea1i b\u00ea t\u00f4ng c\u00f3 c\u1ea5p \u0111\u1ed9 b\u1ec1n l\u00e0 B45 v\u00e0 c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n l\u00e0 57.80 Mpa.<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ng\u00e0y nay v\u1edbi c\u00e1c ph\u1ee5 gia ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 s\u1ea3n xu\u1ea5t ra b\u00ea t\u00f4ng \u0111\u1ea1t&nbsp;<strong>M1000 \u2013 M1500.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00e1ch x\u00e1c \u0111\u1ecbnh m\u00e1c b\u00ea t\u00f4ng nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed7i m\u00e1c b\u00ea t\u00f4ng th\u1ef1c t\u1ebf th\u00ec t\u1ed1i thi\u1ec3u c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t t\u1ed5 m\u1eabu l\u1ea5y t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 s\u1ebd bao g\u1ed3m 3 m\u1eabu b\u00ea t\u00f4ng \u0111\u1ed3ng nh\u1ea5t v\u1ec1 v\u1ecb tr\u00ed v\u00e0 c\u00e1ch th\u1ee9c l\u1ea5y m\u1eabu v\u00e0 \u0111i\u1ec1u ki\u1ec7n b\u1ea3o d\u01b0\u1ee1ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft c\u1ea5u l\u1edbn, c\u00e1c t\u1ed5 m\u1eabu tr\u00ean c\u00f9ng m\u1ed9t k\u1ebft c\u1ea5u ph\u1ea3i \u1edf nh\u1eefng v\u1ecb tr\u00ed kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng th\u1eddi s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang \u0111\u1ee7 l\u1edbn \u0111\u1ec3 mang t\u00ednh \u0111\u1ea1i di\u1ec7n \u0111\u01b0\u1ee3c cho to\u00e0n b\u1ed9 k\u1ebft c\u1ea5u \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a \u1ee9ng su\u1ea5t n\u00e9n t\u1ea1i th\u1eddi \u0111i\u1ec3m ph\u00e1 h\u1ee7y (do n\u00e9n m\u1eabu) c\u1ee7a c\u1ea3 3 m\u1eabu trong t\u1ed5 m\u1eabu, \u0111\u01b0\u1ee3c l\u1ea5y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u00e1c c\u1ee7a b\u00ea t\u00f4ng (tu\u1ed5i 28 ng\u00e0y).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu th\u1eddi \u0111i\u1ec3m n\u00e9n t\u1ed5 m\u1eabu kh\u00f4ng ph\u1ea3i l\u00e0 28 ng\u00e0y sau khi b\u00ea t\u00f4ng ninh k\u1ebft (th\u01b0\u1eddng l\u00e0 3 hay 7 ng\u00e0y sau).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady th\u00ec m\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh gi\u00e1n ti\u1ebfp qua bi\u1ec3u \u0111\u1ed3 ph\u00e1t tri\u1ec3n c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed3ng th\u1eddi c\u00e1c k\u1ebft qu\u1ea3 n\u00e9n m\u1eabu \u1edf tu\u1ed5i 3 hay 7 ng\u00e0y l\u00e0 c\u00e1c k\u1ebft qu\u1ea3 ki\u1ec3m tra nhanh v\u00e0 ch\u01b0a ch\u00ednh th\u1ee9c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 n\u00e9n m\u1eabu \u1edf tu\u1ed5i 28 ng\u00e0y m\u1edbi \u0111\u01b0\u1ee3c coi l\u00e0 m\u00e1c c\u1ee7a b\u00ea t\u00f4ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft c\u1ea5u b\u00ea t\u00f4ng t\u1ea1i ch\u1ed7 \u0111\u01b0\u1ee3c coi l\u00e0 \u0111\u1ea1t y\u00eau c\u1ea7u v\u1ec1 m\u00e1c thi\u1ebft k\u1ebf khi gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a t\u1eebng t\u1ed5 m\u1eabu kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1ecf h\u01a1n m\u00e1c thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1eady nh\u01b0ng \u0111\u1ed3ng th\u1eddi ph\u1ea3i kh\u00f4ng c\u00f3 m\u1eabu n\u00e0o trong c\u00e1c t\u1ed5 m\u1eabu c\u00f3 k\u1ebft qu\u1ea3 th\u00ed nghi\u1ec7m d\u01b0\u1edbi 85 % m\u00e1c thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>C\u00f4ng th\u1ee9c tr\u1ed9n b\u00ea t\u00f4ng \u0111\u00fang m\u00e1c b\u00ea t\u00f4ng theo t\u1ef7 l\u1ec7 c\u1ea5p ph\u1ed1i<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1ch tr\u1ed9n b\u00ea t\u00f4ng \u0111\u00fang M\u00e1c b\u00ea t\u00f4ng theo t\u1ef7 l\u1ec7, c\u00e1ch tr\u1ed9n v\u1eefa x\u00e2y \u0111\u00fang m\u00e1c gi\u00fap cho b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ea t\u00f4ng l\u00e0 h\u1ed7n h\u1ee3p g\u1ed3m c\u00e1t + \u0111\u00e1 + n\u01b0\u1edbc + xi m\u0103ng. V\u1eady tr\u1ed9n th\u1ebf n\u00e0o \u0111\u1ec3 \u0111\u1ea1t \u0111\u00fang M\u00e1c theo quy \u0111\u1ecbnh? H\u1ea7u h\u1ebft, tr\u00ean bao b\u00ec xi m\u0103ng c\u00f3 ghi t\u1ef7 l\u1ec7 tr\u1ed9n cho 1 m<sup>3<\/sup>&nbsp;b\u00ea t\u00f4ng. V\u00ed d\u1ee5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u00ea t\u00f4ng Mac 100<\/strong>:&nbsp; 320 kg xi m\u0103ng + 1060 kg c\u00e1t + 260 l\u00edt n\u01b0\u1edbc th\u00ec t\u1ef7 l\u1ec7 tr\u1ed9n l\u00e0: 6.4 bao Xi m\u0103ng +1060 l\u00edt c\u00e1t + 260 l\u00edt n\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 1 bao xi m\u0103ng: 165.6 l\u00edt c\u00e1t : 40.6 l\u00edt n\u01b0\u1edbc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1ea5y th\u00f9ng s\u01a1n 18 l\u00edt \u0111\u1ec3 l\u00e0m chu\u1ea9n th\u00ec t\u1ef7 l\u1ec7 tr\u1ed9n b\u00ea t\u00f4ng c\u1ee7a t\u1eebng lo\u1ea1i m\u00e1c s\u1ebd l\u00e0:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u00ea t\u00f4ng m\u00e1c 200<\/strong>: 1 bao xi m\u0103ng + 4 th\u00f9ng c\u00e1t + 7 th\u00f9ng \u0111\u00e1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u00ea t\u00f4ng m\u00e1c 250<\/strong>: 1 bao xi m\u0103ng + 3.5 th\u00f9ng c\u00e1t + 6 th\u00f9ng \u0111\u00e1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u00ea t\u00f4ng m\u00e1c 300<\/strong>: 1 bao xi m\u0103ng + 2 th\u00f9ng c\u00e1t + 4 th\u00f9ng \u0111\u00e1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin chia s\u1ebb v\u1ec1 c\u00e1ch t\u00ednh m\u00e1c b\u00ea t\u00f4ng \u0111\u1ec3 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng b\u00ea t\u00f4ng d\u1ef1a v\u00e0o b\u1ea3ng c\u1ea5p ph\u1ed1i b\u00ea t\u00f4ng c\u1ee7a t\u1ea5t c\u1ea3 lo\u1ea1i m\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong x\u00e2y d\u1ef1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1c b\u00ea t\u00f4ng l\u00e0 g\u00ec? M\u00e1c b\u00ea t\u00f4ng l\u00e0 t\u00ean g\u1ecdi theo c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a c\u1ee7a Vi\u1ec7t Nam \u0111\u01b0\u1ee3c&hellip; <\/p>\n","protected":false},"author":1,"featured_media":10706,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-10717","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-viet"],"jetpack_featured_media_url":"https:\/\/kientrucchanan.com\/wp-content\/uploads\/2024\/05\/IMG_9121.jpg","_links":{"self":[{"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts\/10717","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10717"}],"version-history":[{"count":1,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts\/10717\/revisions"}],"predecessor-version":[{"id":10718,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts\/10717\/revisions\/10718"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/media\/10706"}],"wp:attachment":[{"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}