{"id":11129,"date":"2023-10-31T03:58:47","date_gmt":"2020-12-11T08:10:59","guid":{"rendered":"http:\/\/localhost\/xaydungnhadat\/?p=11129"},"modified":"2022-09-17T03:41:53","modified_gmt":"2022-09-17T03:41:53","slug":"tieu-chuan-cat-xay-dung-tai-viet-nam-moi-nhat-2020","status":"publish","type":"post","link":"https:\/\/xaydungnhandat.com.vn\/?p=11129","title":{"rendered":"Ti\u00eau Chu\u1ea9n C\u00e1t X\u00e2y D\u1ef1ng T\u1ea1i Vi\u1ec7t Nam M\u1edbi Nh\u1ea5t 2020"},"content":{"rendered":"<p>C\u00f4ng ty thi\u1ebft k\u1ebf x\u00e2y d\u1ef1ng uy t\u00edn X\u00e2y D\u1ef1ng Nh\u00e2n \u0110\u1ea1t xin g\u1eedi \u0111\u1ebfn qu\u00fd kh\u00e1ch h\u00e0ng th\u00f4ng tin v\u1ec1 <strong>ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng<\/strong> t\u1ea1i Vi\u1ec7t Nam d\u00f9ng trong <strong>\u0111\u1ed5 b\u00ea t\u00f4ng, x\u00e2y t\u00f4, \u0111\u1ed5 n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 san l\u1ea5p n\u1ec1n<\/strong> \u2026 \u0111\u1ec3 qu\u00fd kh\u00e1ch h\u00e0ng tham kh\u1ea3o. M\u1ecdi th\u1eafc m\u1eafc, th\u00f4ng tin t\u01b0 v\u1ea5n v\u00e0 b\u00e1o gi\u00e1 vui l\u00f2ng li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec5 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 mi\u1ec5n ph\u00ed &amp; 24\/7.<\/p>\n<h2 id=\"tieu-chuan-cat-xay-dung-la-gi\" class=\"ftwp-heading\">Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng Vi\u1ec7t Nam l\u00e0 g\u00ec?<\/h2>\n<p>Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng l\u00e0 nh\u1eefng th\u00f4ng s\u1ed1 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1t x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c nh\u00e0 n\u01b0\u1edbc Vi\u1ec7t Nam quy \u0111\u1ecbnh nh\u01b0:<\/p>\n<ul>\n<li>Ti\u00eau Chu\u1ea9n Vi\u1ec7t Nam TCVN 1770:1986<\/li>\n<li>Ti\u00eau chu\u1ea9n x\u00e2y d\u1ef1ng TCXD 127:1985 v\u1ec1 c\u00e1t m\u1ecbn \u0111\u1ec3 l\u00e0m b\u00ea t\u00f4ng &amp; v\u1eefa x\u00e2y d\u1ef1ng<\/li>\n<li>TCVN 7570:2006 \u2013 C\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng &amp; v\u1eefa. Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/li>\n<\/ul>\n<h2 id=\"tieu-chuan-cac-loai-cat-trong-xay-dung\" class=\"ftwp-heading\">Ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1c lo\u1ea1i c\u00e1t trong x\u00e2y d\u1ef1ng<\/h2>\n<p>Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng bao g\u1ed3m c\u00e1c lo\u1ea1i: c\u00e1t san l\u1ea5p, c\u00e1t \u0111\u1ed5 b\u00ea t\u00f4ng, c\u00e1t x\u00e2y t\u00f4 v\u00e0 c\u00e1t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng \u2026<\/p>\n<h3 id=\"1-tieu-chuan-cat-vang-do-be-tong\" class=\"ftwp-heading\">1. Ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1t v\u00e0ng \u0111\u1ed5 b\u00ea t\u00f4ng<\/h3>\n<figure id=\"attachment_11116\" aria-describedby=\"caption-attachment-11116\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11116\" title=\"Tieu chuan cat xay dung\" src=\"https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/12\/cat-be-tong-300x171.jpg\" alt=\"Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng\" width=\"800\" height=\"456\" srcset=\"https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/12\/cat-be-tong-300x171.jpg 300w, https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/12\/cat-be-tong.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-11116\" class=\"wp-caption-text\">Ti\u00eau chu\u1ea9n c\u00e1t v\u00e0ng \u0111\u1ed5 b\u00ea t\u00f4ng y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 l\u1edbn h\u1ea1t, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t<\/figcaption><\/figure>\n<ul>\n<li>C\u1ed1t li\u1ec7u c\u00e1t s\u1eed d\u1ee5ng l\u00e0m b\u00ea t\u00f4ng c\u00f3 th\u1ec3 c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb thi\u00ean nhi\u00ean hay nh\u00e2n t\u1ea1o. Th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1t v\u00e0ng k\u00edch th\u01b0\u1edbc h\u1ea1t t\u1eeb 0,14 \u0111\u1ebfn 5 mm \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng<\/li>\n<li>C\u00e1t \u0111\u1ed5 b\u00ea t\u00f4ng t\u1ed1t nh\u1ea5t l\u00e0 lo\u1ea1i c\u00e1t khai th\u00e1c t\u1ef1 nhi\u00ean \u0111\u1ebfn t\u1eeb c\u00e1c s\u00f4ng, su\u1ed1i,\u2026<\/li>\n<li>Kh\u00f4ng n\u00ean d\u00f9ng c\u00e1t m\u1ecbn \u0111\u1ec3 \u0111\u1ed5 b\u00ea t\u00f4ng v\u00ec lo\u1ea1i c\u00e1t n\u00e0y th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u t\u1ea1p ch\u1ea5t nh\u01b0 b\u1ee5i, b\u00f9n, s\u00e9t s\u1ebd t\u1ea1o n\u00ean m\u1ed9t l\u1edbp m\u00e0ng m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng. V\u00e0 l\u00e0m gi\u1ea3m s\u1ef1 k\u1ebft d\u00ednh c\u0169ng nh\u01b0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a b\u00ea t\u00f4ng.<\/li>\n<li>Mu\u1ed1n b\u00ea t\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t c\u1ea7n ph\u1ea3i ch\u1ecdn l\u1ef1a lo\u1ea1i c\u00e1t c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh ph\u00f9 h\u1ee3p<\/li>\n<li>C\u00e1t v\u00e0ng d\u00f9ng \u0111\u1ec3 tr\u1ed9n b\u00ea t\u00f4ng y\u00eau c\u1ea7u ph\u1ea3i s\u1ea1ch, kh\u00f4ng l\u1eabn t\u1ea1p ch\u1ea5t. K\u00edch th\u01b0\u1edbc h\u1ea1t c\u00e1t \u0111\u1ec1u v\u00e0 c\u00f3 h\u00ecnh tr\u00f2n<\/li>\n<li>B\u00e3i ch\u1ee9a c\u00e1t v\u00e0ng c\u1ea7n b\u1ea3o \u0111\u1ea3m kh\u00f4 r\u00e1o, c\u00e1t \u0111\u1ed5 theo \u0111\u1ed1ng \u1edf m\u1ed9t khu v\u1ef1c ri\u00eang. Kh\u00f4ng c\u00f3 r\u00e1c hay b\u1ecb l\u1eabn v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u, t\u1ea1p ch\u1ea5t kh\u00e1c..<\/li>\n<\/ul>\n<h4 id=\"1-1-tieu-chuan-cat-dung-cho-be-tong-nang\" class=\"ftwp-heading\">1.1. Ti\u00eau chu\u1ea9n c\u00e1t s\u1eed d\u1ee5ng cho b\u00ea t\u00f4ng n\u1eb7ng<\/h4>\n<p>D\u1ef1a v\u00e0o c\u00e1c th\u00f4ng s\u1ed1: m\u00f4 \u0111un \u0111\u1ed9 l\u1edbn, kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch x\u1ed1p, l\u01b0\u1ee3ng h\u1ea1t nh\u1ecf h\u01a1n 0,14 mm &amp; \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n th\u00e0nh ph\u1ea7n h\u1ea1t, <strong>c\u00e1t b\u00ea t\u00f4ng<\/strong> n\u1eb7ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia l\u00e0m 4 nh\u00f3m: to, v\u1eeba, nh\u1ecf &amp; r\u1ea5t nh\u1ecf nh\u01b0 b\u1ea3ng 1<\/p>\n<h4 id=\"bang-1-bang-tieu-chuan-phan-loai-nhom-cat\" class=\"ftwp-heading\">B\u1ea3ng 1 \u2013 B\u1ea3ng ti\u00eau chu\u1ea9n ph\u00e2n lo\u1ea1i nh\u00f3m c\u00e1t<\/h4>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"246\"><strong>T\u00ean c\u00e1c ch\u1ec9 ti\u00eau<\/strong><\/td>\n<td colspan=\"4\" width=\"370\"><strong>M\u1ee9c theo nh\u00f3m c\u00e1t<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"80\"><strong>To<\/strong><\/td>\n<td width=\"80\"><strong>V\u1eeba<\/strong><\/td>\n<td width=\"80\"><strong>Nh\u1ecf<\/strong><\/td>\n<td width=\"131\"><strong>R\u1ea5t nh\u1ecf<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"246\">1. M\u00f4 \u0111un \u0111\u1ed9 l\u1edbn<\/p>\n<p>2. Kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch x\u1ed1p ( kg\/m<sup>3<\/sup>\u00a0)<\/p>\n<p>3. L\u01b0\u1ee3ng h\u1ea1t nh\u1ecf h\u01a1n 0,14 mm (t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t)<\/td>\n<td width=\"80\">L\u1edbn h\u01a1n 2,5 \u0111\u1ebfn 3,3<\/p>\n<p>&gt;= 1400<\/p>\n<p>&nbsp;<\/p>\n<p>&lt;= 10<\/td>\n<td width=\"80\">1 &#8211; 2,5<\/p>\n<p>&gt;= 1300<\/p>\n<p>&nbsp;<\/p>\n<p>&lt;= 10<\/td>\n<td width=\"80\">1 &#8211; 2<\/p>\n<p>&gt;= 1200<\/p>\n<p>&nbsp;<\/p>\n<p>&lt;= 20<\/td>\n<td width=\"131\">0,7 &#8211; 1<\/p>\n<p>&gt;= 1150<\/p>\n<p>&nbsp;<\/p>\n<p>&lt;= 35<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 id=\"bang-2-bang-tieu-chuan-cat-be-tong\" class=\"ftwp-heading\">B\u1ea3ng 2 \u2013 B\u1ea3ng ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1t b\u00ea t\u00f4ng<\/h4>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"289\"><strong>T\u00ean c\u00e1c ch\u1ec9 ti\u00eau<\/strong><\/td>\n<td colspan=\"3\" width=\"327\"><strong>M\u1ee9c theo m\u00e1c b\u00ea t\u00f4ng<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"92\"><strong>Nh\u1ecf h\u01a1n 100<\/strong><\/td>\n<td width=\"92\"><strong>150 \u2013 200<\/strong><\/td>\n<td width=\"143\"><strong>L\u1edbn h\u01a1n 200<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"289\">0. S\u00e9t, \u00e1 s\u00e9t, c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c \u1edf d\u1ea1ng c\u1ee5c.<\/td>\n<td width=\"92\">Kh\u00f4ng<\/td>\n<td width=\"92\">Kh\u00f4ng<\/td>\n<td width=\"143\">Kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td width=\"289\">1. L\u01b0\u1ee3ng h\u1ea1t tr\u00ean 5 mm, t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t.<\/td>\n<td width=\"92\">&lt;= 10<\/td>\n<td width=\"92\">&lt;= 10<\/td>\n<td width=\"143\">&lt;= 10<\/td>\n<\/tr>\n<tr>\n<td width=\"289\">2. H\u00e0m l\u01b0\u1ee3ng mu\u1ed1i g\u1ed1c sunfat, sunfit ( t\u00ednh ra SO<sub>3<\/sub><sub>),\u00a0<\/sub>t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t )<\/td>\n<td width=\"92\">&lt;= 1<\/td>\n<td width=\"92\">&lt;= 1<\/td>\n<td width=\"143\">&lt;= 1<\/td>\n<\/tr>\n<tr>\n<td width=\"289\">3. H\u00e0m l\u01b0\u1ee3ng mica, t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t.<\/td>\n<td width=\"92\">&lt;= 1,5<\/td>\n<td width=\"92\">&lt;= 1<\/td>\n<td width=\"143\">&lt;= 1<\/td>\n<\/tr>\n<tr>\n<td width=\"289\">4. H\u00e0m l\u01b0\u1ee3ng b\u00f9n, b\u1ee5i, s\u00e9t, t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t.<\/td>\n<td width=\"92\">&lt;= 5<\/td>\n<td width=\"92\">&lt;= 3<\/td>\n<td width=\"143\">&lt;= 3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Ch\u00fa\u00a0<\/strong><strong>\u00fd<\/strong><strong>:\u00a0<\/strong>H\u00e0m l\u01b0\u1ee3ng b\u00f9n, b\u1ee5i, s\u00e9t c\u1ee7a c\u00e1t s\u1eed d\u1ee5ng cho b\u00ea t\u00f4ng m\u00e1c 400 tr\u1edf l\u00ean, kh\u00f4ng l\u1edbn h\u01a1n 1% kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t.<\/p>\n<h4>1.2. Ph\u01b0\u01a1ng ph\u00e1p th\u1eed<\/h4>\n<p>L\u1ea5y m\u1eabu &amp; ti\u1ebfn h\u00e0nh th\u1eed theo TCVN 337: 1986 \u0111\u1ebfn TCVN 346: 1986 &amp; TCVN 4376: 1986.<\/p>\n<h4 id=\"1-3-van-chuyen-va-bao-quan\" class=\"ftwp-heading\">1.3. V\u1eadn chuy\u1ec3n &amp; b\u1ea3o qu\u1ea3n<\/h4>\n<p>C\u00e1t \u0111\u1ec3 \u1edf kho ho\u1eb7c trong khi v\u1eadn chuy\u1ec3n ph\u1ea3i tr\u00e1nh \u0111\u1ec3 \u0111\u1ea5t, r\u00e1c hay c\u00e1c t\u1ea1p ch\u1ea5t kh\u00e1c l\u1eabn v\u00e0o.<\/p>\n<figure id=\"attachment_6794\" aria-describedby=\"caption-attachment-6794\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6794\" title=\"Tieu chuan cat xay dung 2\" src=\"https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/02\/cong-ty-xay-dung-nha-uy-tin-225x300.jpg\" alt=\"Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng 2\" width=\"800\" height=\"1067\" srcset=\"https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/02\/cong-ty-xay-dung-nha-uy-tin-225x300.jpg 225w, https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/02\/cong-ty-xay-dung-nha-uy-tin-768x1024.jpg 768w, https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/02\/cong-ty-xay-dung-nha-uy-tin.jpg 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-6794\" class=\"wp-caption-text\">X\u00e2y D\u1ef1ng Nh\u00e2n \u0110\u1ea1t cung c\u1ea5p c\u00e1t x\u00e2y t\u00f4 \u0111\u1ea1t ti\u00eau chu\u1ea9n, gi\u00e1 r\u1ebb nh\u1ea5t th\u1ecb tr\u01b0\u1eddng.<\/figcaption><\/figure>\n<h3>2. Ti\u00eau chu\u1ea9n c\u00e1t san l\u1ea5p n\u1ec1n<\/h3>\n<div class=\"entry-content\">\n<ul>\n<li>\u1ede th\u1eddi \u0111i\u1ec3m hi\u1ec7n t\u1ea1i v\u1eabn ch\u01b0a quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 n\u00e0o v\u1ec1 c\u00e1t s\u1eed d\u1ee5ng trong san l\u1ea5p m\u1eb7t b\u1eb1ng, san l\u1ea5p n\u1ec1n. Do v\u1eady ti\u00eau chu\u1ea9n c\u00e1t s\u00e1t l\u1ea5p n\u1ec1n v\u1eabn l\u00e0 nh\u1eefng kinh nghi\u1ec7m c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u00f9ng, v\u00e0 c\u00e1c k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf<\/li>\n<li>V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt th\u00ec c\u01a1 b\u1ea3n ch\u1ec9 c\u1ea9n kh\u1ea3o s\u00e1t m\u1ecf c\u00e1t \u0111\u1ec3 b\u1ea3o \u0111\u1ea3m tr\u1eef l\u01b0\u1ee3ng, c\u00e1c ch\u1ec9 ti\u00eau s\u1ee9c kh\u00e1ng sau lu l\u00e8n, \u0111\u1eafp v\u00e0 gi\u1edbi h\u1ea1n l\u00fan.<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh y\u00eau c\u1ea7u v\u1ec1 ch\u1ed1ng \u0103n m\u00f2n, v\u00e0 ch\u1ed1ng x\u00f3i\u2026 th\u00ec c\u00f3 th\u00eam m\u1ed9t s\u1ed1 \u0111\u1eb7c t\u00ednh c\u01a1 l\u00fd kh\u00e1c nh\u01b0: \u0111\u1ed9 chua, \u0111\u1ed9 m\u1eb7n, th\u00e0nh ph\u1ea7n h\u1ea1t \u2026\u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n ri\u00eang \u0111\u00f3. Nh\u1eefng ch\u1ec9 ti\u00eau n\u00e0y do k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf quy \u0111\u1ecbnh.<\/li>\n<li>C\u00e1t san l\u1ea5p n\u1ec1n l\u00e0 lo\u1ea1i c\u00e1t x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c d\u00f9ng l\u00e0m l\u1edbp n\u1ec1n cho c\u00e1c n\u1ec1n \u0111\u1ea5t y\u1ebfu \u1edf tr\u1ea1ng th\u00e1i b\u00e3o h\u00f2a n\u01b0\u1edbc nh\u01b0 (n\u1ec1n \u0111\u1ea5t s\u00e9t, n\u1ec1n \u0111\u1ea5t pha c\u00e1t, n\u1ec1n \u0111\u1ea5t b\u00f9n, n\u1ec1n than b\u00f9n,\u2026), \u0111\u1ed9 d\u00e0y c\u1ee7a c\u00e1c l\u1edbp \u0111\u1ea5t n\u00e0y th\u01b0\u1eddng s\u1ebd nh\u1ecf h\u01a1n 3 m\u00e9t.<\/li>\n<\/ul>\n<p><strong>M\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n trong thi c\u00f4ng san l\u1ea5p m\u1eb7t b\u1eb1ng<\/strong>\u0110\u1ec3 b\u1ea3o \u0111\u1ea3m gi\u00e1m s\u00e1t v\u00e0 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh theo \u0111\u00fang y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt. C\u00e1c nh\u00e0 th\u1ea7u th\u01b0\u1eddng s\u1ebd \u00e1p d\u1ee5ng c\u00e1c ti\u00eau chu\u1ea9n trong thi c\u00f4ng v\u00e0 nghi\u1ec7m thu, c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p>\n<table width=\"564\">\n<tbody>\n<tr>\n<td><strong>STT<\/strong><\/td>\n<td width=\"259\"><strong>C\u00e1c quy ph\u1ea1m thi c\u00f4ng &amp; nghi\u1ec7m thu<\/strong><\/td>\n<td><strong>Ti\u00eau chu\u1ea9n<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td width=\"259\">T\u1ed5 ch\u1ee9c thi c\u00f4ng san l\u1ea5p<\/td>\n<td>TCVN 4055-85<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td width=\"259\">Nghi\u1ec7m thu c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng<\/td>\n<td>TCVN 4091-1985<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td width=\"259\">T\u1ed5 ch\u1ee9c thi c\u00f4ng x\u00e2y l\u1eafp<\/td>\n<td>TCVN 4055-1985<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td width=\"259\">C\u00f4ng t\u00e1c \u0111\u1ea5t \u2013 quy ph\u1ea1m thi c\u00f4ng &amp; nghi\u1ec7m thu<\/td>\n<td>TCVN 4447-1987<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td width=\"259\">C\u00e1t x\u00e2y d\u1ef1ng \u2013 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/td>\n<td>TCVN 5747-1993<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td width=\"259\">Quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng<\/td>\n<td>TCVN 5529-1991<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td width=\"259\">H\u1ec7 th\u1ed1ng ti\u00eau chu\u1ea9n an to\u00e0n lao \u0111\u1ed9ng<\/td>\n<td>TCVN 2287-1978<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td width=\"259\">C\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong n\u01b0\u1edbc ng\u1ea7m<\/td>\n<td>TCVN 5942-1995<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td width=\"259\">C\u00f4ng t\u00e1c tr\u1eafc \u0111\u1ecba phuc v\u1ee5 nghi\u1ec7m thu &amp; thi c\u00f4ng san l\u1ea5p<\/td>\n<td>TCXD 309-2004<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ngo\u00e0i ra, c\u00e1c nh\u00e0 th\u1ea7u tu\u00e2n th\u1ee7 c\u00e1c n\u1ed9i dung theo Ngh\u1ecb \u0111\u1ecbnh s\u1ed1 209\/2004\/N\u0110-CP c\u1ee7a Ch\u00ednh ph\u1ee7 v\u1ec1 vi\u1ec7c ban h\u00e0nh quy \u0111\u1ecbnh qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n<h3 id=\"4-tieu-chuan-cat-dap-nen-duong\" class=\"ftwp-heading\">3. Ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1t \u0111\u1eafp n\u1ec1n \u0111\u01b0\u1eddng<\/h3>\n<figure id=\"attachment_11131\" aria-describedby=\"caption-attachment-11131\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11131\" title=\"Tieu chuan cat xay dung 5\" src=\"https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/12\/tieu-chuan-cat-xay-dung-2-300x200.jpeg\" alt=\"Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng 5\" width=\"800\" height=\"533\" srcset=\"https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/12\/tieu-chuan-cat-xay-dung-2-300x200.jpeg 300w, https:\/\/xaydungnhandat.com.vn\/wp-content\/uploads\/2020\/12\/tieu-chuan-cat-xay-dung-2.jpeg 512w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-11131\" class=\"wp-caption-text\">Ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1t l\u1ea5p n\u1ec1n \u0111\u01b0\u1eddng<\/figcaption><\/figure>\n<ul>\n<li>C\u00e1t s\u1eed d\u00f9ng l\u00e0m l\u1edbp \u0111\u1ec7m \u0111\u01b0\u1eddng s\u1eaft v\u00e0 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng \u00f4 t\u00f4 ph\u1ea3i c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch x\u1ed1p l\u1edbn h\u01a1n 1200 kg\/m3.<\/li>\n<li>H\u00e0m l\u01b0\u1ee3ng h\u1ea1t nh\u1ecf h\u01a1n 0,14 mm v\u00e0 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 10% kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t.<\/li>\n<li>C\u00e1c h\u1ea1t l\u1edbn h\u01a1n 5 mm, b\u00f9n, b\u1ee5i, s\u00e9t b\u1ea9n trong c\u00e1t s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng \u00f4 t\u00f4 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh ri\u00eang trong c\u00e1c v\u0103n b\u1ea3n ph\u00e1p quy kh\u00e1c hay theo c\u00e1c h\u1ee3p \u0111\u1ed3ng tho\u1ea3 thu\u1eadn<\/li>\n<\/ul>\n<h3 id=\"2-tieu-chuan-cat-xay-trat\" class=\"ftwp-heading\">4. Ti\u00eau chu\u1ea9n c\u1ee7a c\u00e1t x\u00e2y tr\u00e1t<\/h3>\n<ul>\n<li>C\u00e1t c\u00f3 m\u00f4\u0111un \u0111\u1ed9 l\u1edbn t\u1eeb 0,7 &#8211; 1,5 s\u1eed d\u1ee5ng ch\u1ebf t\u1ea1o v\u1eefa m\u00e1c &lt;= M5<\/li>\n<li>C\u00e1t c\u00f3 m\u00f4\u0111un \u0111\u1ed9 l\u1edbn t\u1eeb 1,5 &#8211; 2 s\u1eed d\u1ee5ng ch\u1ebf t\u1ea1o v\u1eefa m\u00e1c M7,5.<\/li>\n<li>C\u00e1t d\u00f9ng ch\u1ebf t\u1ea1o v\u1eefa kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eabn qu\u00e1 5 % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c h\u1ea1t c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n 5 mm.<\/li>\n<li>T\u1ea1p ch\u1ea5t h\u1eefu c\u01a1 trong c\u00e1t khi x\u00e1c \u0111\u1ecbnh theo ph\u01b0\u01a1ng ph\u00e1p so m\u00e0u, v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c th\u1eabm h\u01a1n m\u00e0u chu\u1ea9n.<\/li>\n<\/ul>\n<h4 id=\"bang-4-tieu-chuan-cat-xay-to\" class=\"ftwp-heading\">B\u1ea3ng 4 \u2013 Ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y t\u00f4<\/h4>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"316\"><strong>T\u00ean c\u00e1c ch\u1ec9 ti\u00eau<\/strong><\/td>\n<td colspan=\"2\" width=\"289\"><strong>M\u1ee9c theo nh\u00f3m v\u1eefa<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"119\"><strong>Nh\u1ecf h\u01a1n 75<\/strong><\/td>\n<td width=\"170\"><strong>L\u1edbn h\u01a1n hay b\u1eb1ng 75<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"316\">1. M\u00f4 \u0111un \u0111\u1ed9 l\u1edbn kh\u00f4ng nh\u1ecf h\u01a1n<\/td>\n<td width=\"119\">0,7<\/td>\n<td width=\"170\">1,5<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">2. S\u00e9t, \u00e1 s\u00e9t, c\u00e1c t\u1ea1p ch\u1ea5t \u1edf d\u1ea1ng c\u1ee5c<\/td>\n<td width=\"119\">Kh\u00f4ng<\/td>\n<td width=\"170\">Kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">3. L\u01b0\u1ee3ng h\u1ea1t &gt; 5mm<\/td>\n<td width=\"119\">Kh\u00f4ng<\/td>\n<td width=\"170\">Kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">4. Kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch x\u1ed1p, t\u00ednh b\u1eb1ng kg\/m<sup>3<\/sup>,\u00a0 v\u00e0 kh\u00f4ng nh\u1ecf h\u01a1n<\/td>\n<td width=\"119\">1150<\/td>\n<td width=\"170\">1250<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">5. H\u00e0m l\u01b0\u1ee3ng mu\u1ed1i sunf\u00e1t, sunf\u00edt t\u00ednh theo SO<sub>3\u00a0<\/sub>theo % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t, kh\u00f4ng l\u1edbn h\u01a1n<\/td>\n<td width=\"119\">2<\/td>\n<td width=\"170\">1<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">6. H\u00e0m l\u01b0\u1ee3ng b\u00f9n, b\u1ee5i s\u00e9t b\u1ea9n, t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t, kh\u00f4ng l\u1edbn h\u01a1n<\/td>\n<td width=\"119\">10<\/td>\n<td width=\"170\">3<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">7. L\u01b0\u1ee3ng h\u1ea1t nh\u1ecf h\u01a1n 0,14mm, t\u00ednh b\u1eb1ng % kh\u1ed1i l\u01b0\u1ee3ng c\u00e1t, kh\u00f4ng l\u1edbn h\u01a1n.<\/td>\n<td width=\"119\">35<\/td>\n<td width=\"170\">20<\/td>\n<\/tr>\n<tr>\n<td width=\"316\">8. H\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1 th\u1eed theo ph\u01b0\u01a1ng ph\u00e1p so m\u00e0u, m\u00e0u c\u1ee7a dung d\u1ecbch tr\u00ean c\u00e1t kh\u00f4ng s\u1eabm h\u01a1n<\/td>\n<td width=\"119\">m\u1eabu hai<\/td>\n<td width=\"170\">m\u1eabu chu\u1ea9n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Ch\u00fa th\u00edch:\u00a0<\/strong>\u0110\u01b0\u1ee3c s\u1ef1 tho\u1ea3 thu\u1eadn c\u1ee7a ng\u01b0\u1eddi d\u00f9ng &amp; tu\u1ef3 theo chi\u1ec1u d\u00e0y m\u1ea1ch v\u1eefa h\u00e0m l\u01b0\u1ee3ng h\u1ea1t l\u1edbn h\u01a1n 5mm c\u00f3 th\u1ec3 cho ph\u00e9p t\u1edbi 5% nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f3 h\u1ea1t l\u1edbn h\u01a1n 10mm<\/p>\n<h4 id=\"bang-3-ham-luong-ion-cl-trong-cat\" class=\"ftwp-heading\">B\u1ea3ng 3 \u2013 H\u00e0m l\u01b0\u1ee3ng ion Cl<sup>\u2013<\/sup>\u00a0trong c\u00e1t<\/h4>\n<table width=\"100%\">\n<tbody>\n<tr>\n<td width=\"271\"><strong>Lo\u1ea1i b\u00ea t\u00f4ng &amp; v\u1eefa<\/strong><\/td>\n<td width=\"151\"><strong>H\u00e0m l\u01b0\u1ee3ng ion Cl<sup>\u2013<\/sup>,\u00a0<\/strong>% kh\u1ed1i l\u01b0\u1ee3ng,<\/p>\n<p>kh\u00f4ng l\u1edbn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td width=\"271\">B\u00ea\u00a0 t\u00f4ng\u00a0 d\u00f9ng\u00a0 trong\u00a0 c\u00e1c\u00a0 k\u1ebft\u00a0 c\u1ea5u\u00a0 b\u00ea<\/p>\n<p>t\u00f4ng c\u1ed1t th\u00e9p \u1ee9ng su\u1ea5t tr\u01b0\u1edbc<\/td>\n<td width=\"151\">0,01<\/td>\n<\/tr>\n<tr>\n<td width=\"271\">B\u00ea\u00a0 t\u00f4ng\u00a0 d\u00f9ng\u00a0 trong\u00a0 c\u00e1c\u00a0 k\u1ebft\u00a0 c\u1ea5u\u00a0 b\u00ea<\/p>\n<p>t\u00f4ng v\u00e0 b\u00ea t\u00f4ng c\u1ed1t th\u00e9p &amp; v\u1eefa th\u00f4ng<\/p>\n<p>th\u01b0\u1eddng<\/td>\n<td width=\"151\">0,05<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>L\u01b0u \u00fd:\u00a0<\/strong>C\u00e1t c\u00f3 h\u00e0m l\u01b0\u1ee3ng ion Cl<sup>\u2013<\/sup>\u00a0l\u1edbn h\u01a1n c\u00e1c gi\u00e1 tr\u1ecb quy \u0111\u1ecbnh \u1edf B\u1ea3ng tr\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c n\u1ebfu: t\u1ed5ng h\u00e0m l\u01b0\u1ee3ng ion Cl<sup>\u2013<\/sup>\u00a0trong 1 m<sup>3<\/sup>\u00a0b\u00ea t\u00f4ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n v\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o &lt;= 0,6 kg.<\/p>\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 th\u00f4ng tin v\u1ec1 <strong>ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng<\/strong>. Hy v\u1ecdng \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n \u00edt nhi\u1ec1u nh\u1eefng th\u00f4ng tin c\u1ea7n thi\u1ebft. N\u1ebfu c\u1ea7n t\u01b0 v\u1ea5n th\u00eam, \u0111\u1eebng ng\u1ea7n ng\u1ea1i, h\u00e3y li\u00ean h\u1ec7 tr\u1ef1c ti\u1ebfp v\u1edbi ch\u00fang t\u00f4i <strong>c\u00f4ng ty x\u00e2y d\u1ef1ng uy t\u00edn<\/strong> X\u00e2y D\u1ef1ng Nh\u00e2n \u0110\u1ea1t \u0111\u1ec3 \u0111\u01b0\u01a1c h\u1ed7 tr\u1ee3 t\u1ed1t nh\u1ea5t nh\u00e9!<\/p>\n<blockquote><p>&gt;&gt; Xem th\u00eam: <a href=\"https:\/\/xaydungnhandat.com.vn\/cat-xay-dung-la-gi-kinh-nghiem-chon-cat-xay-dung\/\"><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;C\u00e1t X\u00e2y D\u1ef1ng L\u00e0 G\u00ec? Kinh Nghi\u1ec7m Ch\u1ecdn C\u00e1t X\u00e2y D\u1ef1ng&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:14851,&quot;3&quot;:{&quot;1&quot;:0},&quot;4&quot;:[null,2,16777215],&quot;12&quot;:0,&quot;14&quot;:[null,2,0],&quot;15&quot;:&quot;Arial&quot;,&quot;16&quot;:11}\">C\u00e1t X\u00e2y D\u1ef1ng L\u00e0 G\u00ec? Kinh Nghi\u1ec7m Ch\u1ecdn C\u00e1t X\u00e2y D\u1ef1ng<\/span><\/a><\/p><\/blockquote>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>C\u00f4ng ty thi\u1ebft k\u1ebf x\u00e2y d\u1ef1ng uy t\u00edn X\u00e2y D\u1ef1ng Nh\u00e2n \u0110\u1ea1t xin g\u1eedi \u0111\u1ebfn qu\u00fd kh\u00e1ch h\u00e0ng th\u00f4ng tin v\u1ec1 ti\u00eau chu\u1ea9n c\u00e1t x\u00e2y d\u1ef1ng t\u1ea1i Vi\u1ec7t Nam d\u00f9ng trong \u0111\u1ed5 b\u00ea t\u00f4ng, x\u00e2y t\u00f4, \u0111\u1ed5 n\u1ec1n \u0111\u01b0\u1eddng v\u00e0 san l\u1ea5p n\u1ec1n \u2026 \u0111\u1ec3 qu\u00fd kh\u00e1ch h\u00e0ng tham kh\u1ea3o. M\u1ecdi th\u1eafc m\u1eafc, th\u00f4ng tin [&#8230;]\n","protected":false},"author":7,"featured_media":11130,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/11129"}],"collection":[{"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11129"}],"version-history":[{"count":1,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/11129\/revisions"}],"predecessor-version":[{"id":12293,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/11129\/revisions\/12293"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=\/wp\/v2\/media\/11130"}],"wp:attachment":[{"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xaydungnhandat.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}