{"id":12213,"date":"2025-03-27T14:15:19","date_gmt":"2025-03-27T14:15:19","guid":{"rendered":"https:\/\/kientrucchanan.com\/?p=12213"},"modified":"2025-04-10T05:48:39","modified_gmt":"2025-04-10T05:48:39","slug":"mac-be-tong-la-gi-2","status":"publish","type":"post","link":"https:\/\/kientrucchanan.com\/?p=12213","title":{"rendered":"M\u00e1c B\u00ea T\u00f4ng L\u00e0 G\u00ec?"},"content":{"rendered":"\n

\ud83e\uddf1 M\u00c1C B\u00ca T\u00d4NG L\u00c0 G\u00cc?<\/strong><\/h1>\n\n\n\n

\ud83c\udff7\ufe0f 1. \u0110\u1ecbnh ngh\u0129a<\/strong><\/h3>\n\n\n\n

M\u00e1c b\u00ea t\u00f4ng<\/strong> l\u00e0 ch\u1ec9 ti\u00eau th\u1ec3 hi\u1ec7n c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n<\/strong> c\u1ee7a b\u00ea t\u00f4ng, k\u00fd hi\u1ec7u l\u00e0 M<\/strong>, \u0111\u01a1n v\u1ecb t\u00ednh l\u00e0 kg\/cm\u00b2<\/strong>.<\/p>\n\n\n\n

\n

M\u00e1c b\u00ea t\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch n\u00e9n ph\u00e1 h\u1ee7y m\u1eabu b\u00ea t\u00f4ng h\u00ecnh l\u1eadp ph\u01b0\u01a1ng 15x15x15 cm<\/strong> sau 28 ng\u00e0y b\u1ea3o d\u01b0\u1ee1ng ti\u00eau chu\u1ea9n<\/strong>.<\/p>\n<\/blockquote>\n\n\n\n

\ud83d\udd39 V\u00ed d\u1ee5: M200 l\u00e0 b\u00ea t\u00f4ng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n \u2265 200 kg\/cm\u00b2<\/strong>.<\/p>\n\n\n\n

\n\n\n\n

\ud83d\udd22 2. K\u00fd hi\u1ec7u m\u00e1c b\u00ea t\u00f4ng<\/strong><\/h3>\n\n\n\n
    \n
  • Theo ti\u00eau chu\u1ea9n c\u0169 (TCVN):<\/strong> M100, M150, M200, M250, M300, M400, M500\u2026<\/li>\n\n\n\n
  • Theo ti\u00eau chu\u1ea9n m\u1edbi (TCVN 9205, 2009):<\/strong> B7.5, B12.5, B15, B20, B25, B30\u2026\n
      \n
    • V\u00ed d\u1ee5:\n
        \n
      • M200 = B15<\/li>\n\n\n\n
      • M250 = B20<\/li>\n\n\n\n
      • M300 = B22.5<\/li>\n\n\n\n
      • M350 = B25<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
        \n\n\n\n

        \ud83d\udcca 3. B\u1ea3ng ph\u00e2n lo\u1ea1i m\u00e1c b\u00ea t\u00f4ng<\/strong><\/h3>\n\n\n\n
        M\u00e1c B\u00ea T\u00f4ng<\/th>C\u1ea5p \u0111\u1ed9 b\u1ec1n (B)<\/th>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ecbu n\u00e9n (MPa)<\/th><\/tr><\/thead>
        M100<\/td>B7.5<\/td>9.63 MPa<\/td><\/tr>
        M150<\/td>B12.5<\/td>16.05 MPa<\/td><\/tr>
        M200<\/td>B15<\/td>19.27 MPa<\/td><\/tr>
        M250<\/td>B20<\/td>25.69 MPa<\/td><\/tr>
        M300<\/td>B22.5<\/td>28.90 MPa<\/td><\/tr>
        M400<\/td>B30<\/td>38.53 MPa<\/td><\/tr>
        M500<\/td>B40<\/td>51.37 MPa<\/td><\/tr>
        M600<\/td>B45<\/td>57.80 MPa<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        \n

        \u26a0\ufe0f V\u1edbi c\u00f4ng ngh\u1ec7 ph\u1ee5 gia hi\u1ec7n \u0111\u1ea1i, c\u00f3 th\u1ec3 \u0111\u1ea1t m\u00e1c cao \u0111\u1ebfn M1000 \u2013 M1500<\/strong>.<\/p>\n<\/blockquote>\n\n\n\n

        \n\n\n\n

        \ud83e\uddea 4. C\u00e1ch x\u00e1c \u0111\u1ecbnh m\u00e1c b\u00ea t\u00f4ng th\u1ef1c t\u1ebf<\/strong><\/h3>\n\n\n\n
          \n
        • L\u1ea5y m\u1eabu t\u1ea1i c\u00f4ng tr\u00ecnh (1 t\u1ed5 m\u1eabu = 3 m\u1eabu b\u00ea t\u00f4ng gi\u1ed1ng nhau).<\/li>\n\n\n\n
        • M\u1eabu b\u1ea3o d\u01b0\u1ee1ng trong 28 ng\u00e0y theo ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n
        • N\u00e9n m\u1eabu \u2192 l\u1ea5y trung b\u00ecnh k\u1ebft qu\u1ea3 3 m\u1eabu \u2192 so s\u00e1nh v\u1edbi m\u00e1c thi\u1ebft k\u1ebf.<\/strong><\/li>\n<\/ul>\n\n\n\n
          \n

          \u2705 C\u00f4ng tr\u00ecnh \u0111\u1ea1t n\u1ebfu:<\/p>\n\n\n\n

            \n
          • Gi\u00e1 tr\u1ecb trung b\u00ecnh \u2265 m\u00e1c thi\u1ebft k\u1ebf<\/li>\n\n\n\n
          • Kh\u00f4ng m\u1eabu n\u00e0o < 85% m\u00e1c thi\u1ebft k\u1ebf<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n
            \n\n\n\n

            \u2699\ufe0f 5. C\u00e1ch tr\u1ed9n b\u00ea t\u00f4ng \u0111\u00fang m\u00e1c theo c\u1ea5p ph\u1ed1i<\/strong><\/h3>\n\n\n\n
            M\u00e1c B\u00ea T\u00f4ng<\/th>Xi m\u0103ng (bao)<\/th>C\u00e1t (th\u00f9ng 18L)<\/th>\u0110\u00e1 (th\u00f9ng 18L)<\/th><\/tr><\/thead>
            M200<\/td>1<\/td>4<\/td>7<\/td><\/tr>
            M250<\/td>1<\/td>3.5<\/td>6<\/td><\/tr>
            M300<\/td>1<\/td>2<\/td>4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
            \n

            T\u1ef7 l\u1ec7 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh theo th\u1ef1c t\u1ebf v\u1eadt li\u1ec7u v\u00e0 \u0111i\u1ec1u ki\u1ec7n thi c\u00f4ng.<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

            \ud83e\uddf1 M\u00c1C B\u00ca T\u00d4NG L\u00c0 G\u00cc? \ud83c\udff7\ufe0f 1. \u0110\u1ecbnh ngh\u0129a M\u00e1c b\u00ea t\u00f4ng l\u00e0 ch\u1ec9 ti\u00eau th\u1ec3 hi\u1ec7n c\u01b0\u1eddng \u0111\u1ed9… <\/p>\n","protected":false},"author":1,"featured_media":12175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-12213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bai-viet"],"jetpack_featured_media_url":"https:\/\/kientrucchanan.com\/wp-content\/uploads\/2025\/03\/BOM-BE-TONG-1.jpg","_links":{"self":[{"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts\/12213","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=12213"}],"version-history":[{"count":2,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts\/12213\/revisions"}],"predecessor-version":[{"id":12299,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/posts\/12213\/revisions\/12299"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=\/wp\/v2\/media\/12175"}],"wp:attachment":[{"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kientrucchanan.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}