{"id":7855,"date":"2021-06-07T07:04:10","date_gmt":"2021-06-07T07:04:10","guid":{"rendered":"https:\/\/thuvienxaydung.com.vn\/?p=7855"},"modified":"2025-02-25T02:23:05","modified_gmt":"2025-02-25T02:23:05","slug":"tcvn-75722006-cot-lieu-cho-be-tong-va-vua-phuong-phap-thu","status":"publish","type":"post","link":"https:\/\/tailieuxaydung.net\/?p=7855","title":{"rendered":"TCVN 7572:2006 &#8211; C\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa &#8211; Ph\u01b0\u01a1ng ph\u00e1p th\u1eed"},"content":{"rendered":"<style>\r\n    .huongdantai_m,\r\n.modal-header {\r\n    box-shadow: 0 0 20px 0 rgba(0, 0, 0, 0.2), 0 5px 5px 0 rgba(0, 0, 0, 0.24);\r\n}\r\n.download_seo_matai button span,\r\n.modal-header h3,\r\n.show-download_seo_matai,\r\n.show-download_seo_matai2,\r\n.spanx,\r\nbutton.btn-close {\r\n    display: inline-block;\r\n}\r\n.close_m,\r\n.spanx {\r\n    float: right;\r\n}\r\n.button-download,\r\n.button-download button,\r\n.form-group,\r\n.form-group input,\r\n.download_seo_matai,\r\n.download_seo_modal-footer,\r\n.span-button,\r\n.spanx,\r\n.text-center h5 {\r\n    text-align: center;\r\n}\r\n.button-download,\r\n.form-group {\r\n    width: 100% !important;\r\n}\r\n.form-group button,\r\n.download_seo_matai button,\r\n.report-wrapper button {\r\n    font-size: 18px;\r\n    margin: 5px;\r\n    min-height: auto;\r\n    min-width: 130px;\r\n    line-height: 20px;\r\n    vertical-align: middle;\r\n}\r\n.download_seo_matai {\r\n    padding: 5px;\r\n    color: #000;\r\n}\r\n.form-download_seo_matai button,\r\n.report-wrapper button {\r\n    background: #ed1c24;\r\n    border: 1px solid #fff;\r\n    color: #fff;\r\n    font-weight: 700;\r\n    border-radius: 7px;\r\n    padding: 5px 10px;\r\n    width: auto;\r\n}\r\n.download_seo_matai button #anhtaive {\r\n    padding: 0;\r\n    vertical-align: middle;\r\n    padding-right: 5px !important;\r\n    width: auto;\r\n    height: 20px;\r\n    display: inline-block !important;\r\n    margin: 0 !important;\r\n    border: none !important;\r\n    border-radius: unset !important;\r\n    float: unset !important;\r\n}\r\n.download_seo_matai button span {\r\n    vertical-align: middle;\r\n    color: #fff;\r\n}\r\n.button-download {\r\n    vertical-align: middle !important;\r\n    border: none !important;\r\n    border-radius: unset !important;\r\n    padding: 0;\r\n}\r\n.button-download button {\r\n    border: none;\r\n    border-radius: 8px;\r\n    vertical-align: middle;\r\n    padding: 0;\r\n    background-color: transparent !important;\r\n}\r\n.huongdantai_m {\r\n    border-radius: 15px;\r\n    padding: 20px;\r\n}\r\n.text-center h3,\r\nh4,\r\nh5 {\r\n    color: #3d4afb !important;\r\n    font-weight: 600;\r\n}\r\n.form-group input {\r\n    width: 200px !important;\r\n    height: 40px;\r\n    font-style: italic;\r\n    border-radius: 8px;\r\n    margin-bottom: 15px;\r\n}\r\n.form-group button {\r\n    background: #0fb1fc;\r\n    border: 1px solid #fff;\r\n    color: #fff;\r\n    font-weight: bold;\r\n    border-radius: 7px;\r\n    padding: 5px 10px;\r\n    width: auto;\r\n}\r\nbutton.btn-close,\r\nbutton.btn-right {\r\n    width: 100px;\r\n    display: inline-block !important;\r\n    font-weight: 700;\r\n}\r\n.modal-header {\r\n    border-bottom: 1px solid #e5e5e5;\r\n    width: 100%;\r\n    z-index: 9;\r\n    border-radius: 8px;\r\n    padding: 0;\r\n}\r\n.modal-content {\r\n    vertical-align: middle;\r\n    background-color: #e0e0e0;\r\n}\r\n.modal-content2 {\r\n    padding: 5px;\r\n    font-size: 24px;\r\n    color: #3d4afb;\r\n    font-weight: 700;\r\n}\r\n.modal-header h3 {\r\n    font-weight: 700;\r\n    color: #3d4afb !important;\r\n    text-transform: uppercase;\r\n    margin-right: 15px;\r\n}\r\n.btn-close {\r\n    width: 100%;\r\n    cursor: pointer;\r\n}\r\n.spanx {\r\n    font-size: 36px;\r\n    font-weight: 700;\r\n    color: #000;\r\n    text-shadow: 0 1px 0 #fff;\r\n    opacity: 0.5;\r\n    cursor: pointer;\r\n}\r\n#ketqua_taima2,\r\n.check-emty {\r\n    color: red;\r\n    text-align: center;\r\n}\r\n.hidden,\r\n.radio {\r\n    display: block;\r\n}\r\n.spanx:focus,\r\n.spanx:hover {\r\n    color: #e40808;\r\n    text-decoration: none;\r\n    opacity: 0.5;\r\n}\r\n.modal-body {\r\n    padding: 15px;\r\n}\r\n.radio {\r\n    margin-right: 5px;\r\n    margin-left: 20px;\r\n}\r\nbutton.btn-right {\r\n    color: #fff;\r\n    padding: 7px 0;\r\n    border: none;\r\n    border-radius: 5px;\r\n    background-color: #02ccff;\r\n}\r\nbutton.btn-close {\r\n    color: #fff;\r\n    padding: 5px;\r\n    margin-right: 30px;\r\n    border: none;\r\n    border-radius: 5px;\r\n    background-color: #ff0202;\r\n}\r\n.download_seo_modal-footer {\r\n    width: 100%;\r\n    display: inline-block;\r\n    vertical-align: middle;\r\n    text-align: center !important;\r\n}\r\n.error {\r\n    outline: rgb(255, 0, 0) solid 1px;\r\n}\r\n#ketqua_taima2 {\r\n    height: auto;\r\n    border: #3d4afb;\r\n    border-radius: 10px;\r\n    font-weight: 700;\r\n    font-size: 26px;\r\n    z-index: 10;\r\n}\r\n.overlay {\r\n    background: #464646;\r\n    display: none;\r\n    position: absolute;\r\n    top: 0;\r\n    right: 0;\r\n    bottom: 0;\r\n    left: 0;\r\n    opacity: 0.3;\r\n    z-index: 5;\r\n}\r\n.button-disabled {\r\n    border: none;\r\n    border-radius: 8px;\r\n    background: red;\r\n    color: #fff;\r\n    padding: 5px 2px;\r\n}\r\n.form-group-error2 {\r\n    z-index: 10;\r\n}\r\np.img-hd-download {\r\n    padding: 0;\r\n    vertical-align: middle;\r\n    padding: 10px !important;\r\n    text-align: center;\r\n}\r\nimg.img-download {\r\n    max-width: none !important;\r\n    width: 100% !important;\r\n    text-align: center;\r\n}\r\n.span-button {\r\n    color: #fff;\r\n    border: none;\r\n    border-radius: 8px;\r\n    background: red;\r\n    padding: 5px 10px;\r\n    font-weight: 700;\r\n}\r\n.form-control-text-error{\r\n        width: 100% !important;\r\n    }\r\n    button.btn-copy-matai \r\n {\r\n    font-size: 16px;\r\n    padding: 5px 10px;\r\n    border:none;\r\n    font-weight: bold;\r\n    border-radius: 7px;\r\n    color: #fff;\r\n    background: #206eff  !important;\r\n    border-radius: 7px;\r\n    width: auto;\r\n    margin-left: 10px;\r\n\r\n}\r\n@media only screen and (max-width: 600px) {\r\n    .download_seo_modal-footer,\r\n    button.btn-close,\r\n    button.btn-right {\r\n        display: block;\r\n    }\r\n    button.btn-close,\r\n    button.btn-right {\r\n        width: 60px;\r\n    }\r\n    button.btn-close {\r\n        margin-right: 10px;\r\n        margin-bottom: 15px;\r\n    }\r\n    .form-group input {\r\n        width: 100% !important;\r\n    }\r\n  \r\n}\r\n@media only screen and (max-width: 320px) {\r\n    .span-button {\r\n        display: block;\r\n        width: 80px;\r\n        vertical-align: middle;\r\n        margin-left: 20%;\r\n    }\r\n    \r\n}\r\n\r\n    <\/style>\r\n<div class=\"button-download\" >\r\n<p>T\u1ec7p \u0111\u00ednh k\u00e8m: <span  style=\" color: red;font-weight: bold;\">TCVN 7572:2006 \u2013 C\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa \u2013 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed.rar<\/span><\/p>\r\n<button  id=\"button-download\">\r\n<img decoding=\"async\" class=\"img-download\" src=\"https:\/\/tailieuxaydung.net\/wp-content\/plugins\/download-seo\/assets\/img\/tai-ngay.gif\"\/>\r\n<\/button>\r\n<\/div>\r\n<div class=\"huongdantai_m text-center\" id=\"huongdantai_m\" style=\"margin-bottom: 10px;text-align:left;display: none;\">\r\n    <p>T\u1ec7p \u0111\u00ednh k\u00e8m: <span  style=\" color: red;font-weight: bold;\">TCVN 7572:2006 \u2013 C\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa \u2013 Ph\u01b0\u01a1ng ph\u00e1p th\u1eed.rar<\/span><\/p>\r\n        <h5>VUI L\u00d2NG NH\u1eacP M\u00c3 \u0110\u1ec2 TI\u1ebeP T\u1ee4C \u0110\u1ebeN TRANG T\u1ea2I T\u00c0I LI\u1ec6U<\/h5>\r\n        <form class=\"main-form\" id=\"main-form\" method=\"post\" action=\"\">\r\n\t\t<div class=\"form-group\">\r\n\t\t\t<input type=\"text\" name=\"password\" id=\"password\" class=\"password\" value=\"\" placeholder=\"Nh\u1eadp m\u00e3\">\r\n            <\/div>         \r\n            <div class=\"check-emty\" id=\"check-emty1\" style=\"display:none;\"><\/div>\r\n            <div class=\"check-emty\" id=\"ketqua-download_seo_matai2\"><\/div>\r\n\t\t<div class=\"form-group\" style=\"text-align: center;\">\r\n\t\t\t<!-- <button type=\"submit\" class=\"btn btn-success\">Click v\u00e0o \u0111\u00e2y \u0111\u1ec3 ti\u1ebfp t\u1ee5c<\/button>-->\r\n\t\t\t<button class=\"btn btn-success\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" type=\"submit\">CLick v\u00e0o \u0111\u00e2y \u0111\u1ec3 ti\u1ebfp t\u1ee5c<\/button>\r\n            <\/div>\r\n\t<\/form>\r\n    <div id=\"huongdantai\" class=\"huongdantai\">\r\n                <h3>H\u01af\u1edaNG D\u1eaaN L\u1ea4Y M\u00c3 T\u1ea2I<\/h3>\r\n        <p style=\"color: red;font-style: italic;\"><strong>L\u01b0u \u00fd: <\/strong>Vui l\u00f2ng l\u00e0m theo \u0111\u00fang c\u00e1c b\u01b0\u1edbc d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 kh\u00f4ng b\u1ecb sai M\u00c3<\/p>\r\n        <p><strong>B\u01b0\u1edbc 1: <\/strong>M\u1edf \u0110I\u1ec6N THO\u1ea0I, truy c\u1eadp <a href=\"https:\/\/google.com\" target=\"_blank\" rel=\"noopener\"><span style=\"color: blue;\"><strong>google.com<\/strong><\/span><\/a><\/p>     \r\n        <p><strong>B\u01b0\u1edbc 2: <\/strong>G\u00f5 t\u1eeb kho\u00e1 t\u00ecm ki\u1ebfm tr\u00ean \u0110I\u1ec6N THO\u1ea0I <strong><span id=\"copy_tu_khoa_seo\" style=\"color: red;\">l\u01b0\u1edbi an to\u00e0n ban c\u00f4ng<\/span><\/strong><button class=\"btn-copy-matai\"  id=\"btn_copy_tukhoa\" onclick=\"Function_copy_link()\">Copy t\u1eeb kho\u00e1<\/button><\/p> \r\n        <p><strong>B\u01b0\u1edbc 3: <\/strong>Tr\u00ean \u0110I\u1ec6N THO\u1ea0I (\u1edf <strong>trang <span style=\"color: #ff0000;\">1<\/span> -> <span style=\"color: #ff0000;\">10<\/span><\/strong> c\u1ee7a Google.com)_(xem \u1ea3nh minh h\u1ecda b\u00ean d\u01b0\u1edbi)<\/p>\r\n        <p class=\"img-hd-download\">\r\n        <img decoding=\"async\" class=\"img-download\" src=\"https:\/\/hosoxaydung.com\/upload\/seoweb\/luoi-an-toan.png\">\r\n<\/p>\r\n\r\n        <p class=\"span-button-m\"><strong>B\u01b0\u1edbc 4: <\/strong>Tr\u00ean m\u00e0n h\u00ecnh(\u0110I\u1ec6N THO\u1ea0I)K\u00e9o xu\u1ed1ng cu\u1ed1i b\u00e0i vi\u1ebft, Click v\u00e0o n\u00fat<span class=\"span-button\" style=\"\">L\u1ea5y m\u00e3<\/span>  \r\n        <\/p>\r\n\t\t        <p style=\"color: red;font-style: italic;\"><strong>L\u01b0u \u00fd: <\/strong>N\u00fat <span class=\"span-button\" style=\"\">L\u1ea5y m\u00e3<\/span> ch\u1ec9 hi\u1ec3n th\u1ecb tr\u00ean \"\u0110I\u1ec6N THO\u1ea0I\" !<\/p>\r\n\r\n        <p><strong>B\u01b0\u1edbc 5: <\/strong>Copy m\u00e3 v\u00e0 D\u00e1n m\u00e3 v\u00e0o \u00f4 \"Nh\u1eadp m\u00e3\" b\u00ean d\u01b0\u1edbi \u0111\u1ec3 t\u1edbi trang \u0111\u00edch<\/p>\r\n        <div  style=\"margin-bottom: 10px;\" class=\"text-center\">\r\n            <h5>VUI L\u00d2NG NH\u1eacP M\u00c3 \u0110\u1ec2 TI\u1ebeP T\u1ee4C \u0110\u1ebeN TRANG T\u1ea2I T\u00c0I LI\u1ec6U<\/h5>\r\n            <form class=\"main-form\" id=\"main-form2\" method=\"post\" action=\"\">\r\n                <div class=\"form-group\">\r\n                    <input type=\"text\" name=\"password2\" id=\"password2\" value=\"\" placeholder=\"Nh\u1eadp m\u00e3\">\r\n                    <input type=\"hidden\" id=\"link-hidden\" value=\"aHR0cHM6Ly9ob3NveGF5ZHVuZy5jb20vNTUzNzdkZUBlVw==\" >\r\n                <\/div>\r\n                    <div class=\"check-emty\" id=\"check-emty2\" style=\"display:none;\"><\/div>\r\n                <div class=\"form-group\">\r\n                <!-- <button type=\"submit\" class=\"btn btn-success\">Click v\u00e0o \u0111\u00e2y \u0111\u1ec3 ti\u1ebfp t\u1ee5c<\/button>-->\r\n                <button class=\"btn btn-success\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" type=\"submit\">CLick v\u00e0o \u0111\u00e2y \u0111\u1ec3 ti\u1ebfp t\u1ee5c<\/button>\r\n                <\/div>  \r\n            <\/form>\r\n            <div class=\"check-emty\" id=\"ketqua-download_seo_matai\"><\/div>\r\n            <div  class=\"report-wrapper\" style=\"text-align: center;vertical-align: middle;\">\r\n                            <p style=\"text-align: center;\">\r\n                                B\u1ea1n kh\u00f4ng l\u1ea5y \u0111\u01b0\u1ee3c m\u00e3?\r\n                            <\/p>\r\n                            <button  id=\"report-wrapper\" >B\u00e1o l\u1ed7i<\/button>               \r\n            <\/div>\r\n        <\/div>    \r\n            <div class=\"modal-header\" id=\"report-wrapper-m\" style=\"display:none;\">\r\n                    \r\n                <div class=\"modal-content\"  >\r\n                        <div class=\"modal-content2\">\r\n                        <span>B\u00e1o l\u1ed7i<\/span>\r\n                        <\/div>                  \r\n                <\/div>\r\n                    <div class=\"modal-body\" id=\"modal-body\">\r\n                        <form id=\"modal-report-form\" method=\"post\" action=\"\">\r\n                            <div id=\"form-group-error\" class=\"form-group-error\"  onchange=\"checkcode()\" >\r\n                            <div> <label >Email (B\u00e1o khi s\u1eeda xong l\u1ed7i)<\/label>\r\n                            <input type=\"email\" id=\"email_error\" name=\"email_error\" class='form-control-text-error' placeholder=\"Nh\u1eadp Email c\u1ee7a b\u1ea1n\">\r\n                                       <\/div>\r\n                                <div><input type=\"radio\" name=\"radio_error\" class=\"radio_error\" value=\"1\" checked=\"checked\" id=\"r-error1\" >\r\n                                        <label for=\"r-error1\">Kh\u00f4ng th\u1ea5y m\u00e3<\/label><\/div>\r\n                                <div><input type=\"radio\" name=\"radio_error\" class=\"radio_error\" value=\"2\" id=\"r-error2\" >\r\n                                        <label for=\"r-error2\">Kh\u00f4ng th\u1ea5y trang tr\u00ean google<\/label><\/div>\r\n                                <div><input type=\"radio\" name=\"radio_error\" class=\"radio_error\" value=\"3\" id=\"r-error3\" >\r\n                                        <label for=\"r-error3\">L\u1ed7i kh\u00e1c<\/label><\/div>\r\n                            <\/div>           \r\n                            <div id=\"form-group-error2\" class=\"form-group-error\" style=\"display:none;\">\r\n                                <label for=\"modal-report-reason\" class=\"control-label optional\">Chi ti\u1ebft l\u1ed7i<\/label>\r\n                                <textarea name=\"modal-report-reason\" class=\"form-control-text-error\" id=\"textarea-error\" rows=\"4\" cols=\"80\"><\/textarea>\r\n                            <\/div>                           \r\n                            <div class=\"download_seo_modal-footer\">\r\n                                <button type=\"button\" class=\"btn-close\">\u0110\u00f3ng<\/button>\r\n                                <button type=\"button\" class=\"btn btn-right\"  id=\"btn_send_error\">G\u1eedi<\/button>\r\n                            <\/div>\r\n                        <\/form>\r\n                        <div style=\"text-align: center;\" id=\"ketqua-loi\"><\/div>\r\n                <\/div>\r\n            <\/div>\r\n            <\/div>  \r\n<\/div>  \n<div>Password gi\u1ea3i n\u00e9n n\u1eb1m \u1edf cu\u1ed1i b\u00e0i vi\u1ebft.<\/div>\n<p><strong>TI\u00caU CHU\u1ea8N VI\u1ec6T NAM<\/strong><\/p>\n<p><strong>TCVN 7572-1:2006<\/strong><\/p>\n<p><strong>C\u1ed0T LI\u1ec6U CHO B\u00ca T\u00d4NG V\u00c0 V\u1eeeA &#8211; PH\u01af\u01a0NG PH\u00c1P TH\u1eec<\/strong><strong> &#8211; <\/strong><strong>PH\u1ea6N 1: L\u1ea4Y M\u1eaaU<\/strong><\/p>\n<p><strong><em>Aggregates for concrete and mortar <\/em><\/strong><strong><em>&#8211;<\/em><\/strong><strong><em> Test methods<\/em><\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>L\u1eddi n\u00f3i \u0111\u1ea7u<\/strong><\/p>\n<p><strong>TCVN 7572-1 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 337 : 1986 v\u00e0 \u0111i\u1ec1u 2 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-2 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 342 : 1986 v\u00e0 \u0111i\u1ec1u 3.6 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-3 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 338 : 1986.<\/p>\n<p><strong>TCVN 7572-4 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 339 : 1986 v\u00e0 c\u00e1c \u0111i\u1ec1u 3.1, 3.2, 3.11 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-5 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf c\u00e1c \u0111i\u1ec1u 3.1, 3.2, 3.11 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-6 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 340 : 1986 v\u00e0 c\u00e1c \u0111i\u1ec1u 3.3, 3.5 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-7 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 341 : 1986 v\u00e0 \u0111i\u1ec1u 3.10 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-8 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 343:1986, TCVN 344:1986 v\u00e0 \u0111i\u1ec1u 3.7 c\u1ee7a TCVN 1772:1987.<\/p>\n<p><strong>TCVN 7572-9 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 345 : 1986 v\u00e0 \u0111i\u1ec1u 3.18 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-10 : 2006\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf c\u00e1c \u0111i\u1ec1u 3.12, 3.14 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-11 : 2006\u00a0\u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf c\u00e1c \u0111i\u1ec1u 3.13, 3.15 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-12 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf c\u00e1c \u0111i\u1ec1u 3.16, 3.17 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-13 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf \u0111i\u1ec1u 3.8 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-14 : 2006 \u00a0\u00a0\u00a0 <\/strong>x\u00e2y d\u1ef1ng tr\u00ean c\u01a1 s\u1edf TCXD 238 : 1999 v\u00e0 TCXD 246 : 2000.<\/p>\n<p><strong>TCVN 7572-15 : 2006 \u00a0\u00a0\u00a0 <\/strong>x\u00e2y d\u1ef1ng tr\u00ean c\u01a1 s\u1edf TCXD 262 : 2001.<\/p>\n<p><strong>TCVN 7572-16 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 346 : 1986.<\/p>\n<p><strong>TCVN 7572-17 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf \u0111i\u1ec1u 3.9 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-18 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf \u0111i\u1ec1u 3.19 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-19 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf \u0111i\u1ec1u 3.20 c\u1ee7a TCVN 1772 : 1987.<\/p>\n<p><strong>TCVN 7572-20 : 2006 \u00a0\u00a0\u00a0 <\/strong>thay th\u1ebf TCVN 4376 : 1986.<\/p>\n<p><strong>TCVN 7572 : 2006<\/strong> do Ban k\u1ef9 thu\u1eadt Ti\u00eau chu\u1ea9n TCVN\/TC 71\/SC3 <em>C\u1ed1t li\u1ec7u<\/em> <em>cho b\u00ea t\u00f4ng <\/em>ho\u00e0n thi\u1ec7n tr\u00ean c\u01a1 s\u1edf d\u1ef1 th\u1ea3o c\u1ee7a Vi\u1ec7n Khoa h\u1ecdc C\u00f4ng ngh\u1ec7 X\u00e2y d\u1ef1ng, B\u1ed9 X\u00e2y d\u1ef1ng \u0111\u1ec1 ngh\u1ecb, T\u1ed5ng C\u1ee5c Ti\u00eau chu\u1ea9n \u0110o l\u01b0\u1eddng Ch\u1ea5t l\u01b0\u1ee3ng x\u00e9t duy\u1ec7t, B\u1ed9 Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 ban h\u00e0nh<\/p>\n<p>&nbsp;<\/p>\n<p><strong>TI\u00caU CHU\u1ea8N VI\u1ec6T NAM<\/strong><\/p>\n<p>C\u1ed0T LI\u1ec6U CHO B\u00ca T\u00d4NG V\u00c0 V\u1eeeA &#8211; PH\u01af\u01a0NG PH\u00c1P TH\u1eec &#8211;<br \/>\nPH\u1ea6N 1: L\u1ea4Y M\u1eaaU<\/p>\n<p><strong><em>Aggregates for concrete and mortar \u2013 Test methods <\/em><\/strong><strong><em>&#8211;<\/em><\/strong><strong><em><br \/>\nPart 1: Sampling<\/em><\/strong><\/p>\n<p><strong>1 Ph\u1ea1m vi \u00e1p d\u1ee5ng<\/strong><\/p>\n<p>Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu c\u1ed1t li\u1ec7u nh\u1ecf v\u00e0 l\u1edbn \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt c\u1ee7a c\u1ed1t li\u1ec7u d\u00f9ng ch\u1ebf t\u1ea1o b\u00ea t\u00f4ng v\u00e0 v\u1eefa x\u00e2y d\u1ef1ng.<\/p>\n<p><strong>2 T\u00e0i li\u1ec7u vi\u1ec7n d\u1eabn<\/strong><\/p>\n<p>TCVN 7570 : 2006 C\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa &#8211; Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt.<\/p>\n<p>TCVN 7572-3 : 2006 C\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng v\u00e0 v\u1eefa &#8211; Ph\u01b0\u01a1ng ph\u00e1p th\u1eed &#8211; Ph\u1ea7n 3: H\u01b0\u1edbng d\u1eabn x\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n th\u1ea1ch h\u1ecdc.<\/p>\n<p><strong>3 Quy \u0111\u1ecbnh chung<\/strong><\/p>\n<p><strong>3.1<\/strong> C\u1ed1t li\u1ec7u nh\u1ecf v\u00e0 c\u1ed1t li\u1ec7u l\u1edbn \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a theo TCVN 7570 : 2006.<\/p>\n<p><strong>3.2<\/strong> M\u1eabu c\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c l\u1ea5y theo l\u00f4 s\u1ea3n ph\u1ea9m, sao cho \u0111\u1ea3m b\u1ea3o \u0111\u1eb7c t\u00ednh t\u1ef1 nhi\u00ean c\u1ee7a c\u1ed1t li\u1ec7u v\u00e0 \u0111\u1ea1i di\u1ec7n cho l\u00f4 c\u1ed1t li\u1ec7u c\u1ea7n th\u1eed.<\/p>\n<p>L\u00f4 c\u1ed1t li\u1ec7u l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ed1t li\u1ec7u do m\u1ed9t c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t trong m\u1ed9t ng\u00e0y v\u00e0 \u0111\u01b0\u1ee3c giao nh\u1eadn c\u00f9ng m\u1ed9t l\u00fac. N\u1ebfu c\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo t\u1eebng c\u1ee1 h\u1ea1t ri\u00eang bi\u1ec7t th\u00ec l\u00f4 c\u1ed1t li\u1ec7u l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ed1t li\u1ec7u c\u1ee7a c\u00f9ng m\u1ed9t c\u1ee1 h\u1ea1t \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t trong m\u1ed9t ng\u00e0y.<\/p>\n<p><strong>Kh\u1ed1i l\u01b0\u1ee3ng l\u00f4 c\u1ed1t li\u1ec7u nh\u1ecf trong kho kh\u00f4ng l\u1edbn h\u01a1n 500 T ho\u1eb7c kho\u1ea3ng 350 m<sup>3<\/sup>.<\/strong><\/p>\n<p><strong>Kh\u1ed1i l\u01b0\u1ee3ng l\u00f4 c\u1ed1t li\u1ec7u l\u1edbn trong kho kh\u00f4ng l\u1edbn h\u01a1n 300 T ho\u1eb7c kho\u1ea3ng 200 m<sup>3<\/sup>.<\/strong><\/p>\n<p><strong>3.3<\/strong> S\u1ea5y \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng \u0111\u1ed5i: C\u1ed1t li\u1ec7u \u0111\u01b0\u1ee3c s\u1ea5y \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 105 <sup>0<\/sup>C \u0111\u1ebfn 110 <sup>0<\/sup>C cho t\u1edbi khi ch\u00eanh l\u1ec7ch gi\u1eefa hai l\u1ea7n c\u00e2n kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 0,1 % kh\u1ed1i l\u01b0\u1ee3ng. Th\u1eddi gian gi\u1eefa hai l\u1ea7n c\u00e2n li\u00ean ti\u1ebfp kh\u00f4ng \u00edt h\u01a1n 30 ph\u00fat.<\/p>\n<p><strong>3.4 <\/strong>M\u1eabu th\u1eed, thi\u1ebft b\u1ecb v\u00e0 v\u1eadt li\u1ec7u d\u00f9ng cho qu\u00e1 tr\u00ecnh th\u1eed, ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u0111\u1ea1t nhi\u1ec7t \u0111\u1ed9\u00a0 ph\u00f2ng th\u00ed nghi\u1ec7m tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/p>\n<p><strong>3.5 <\/strong>D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb:<\/p>\n<ul>\n<li><strong>c\u00e2n k\u1ef9 thu\u1eadt<\/strong>, ch\u00ednh x\u00e1c \u0111\u1ebfn 1 %;<\/li>\n<li><strong>d\u1ee5ng c\u1ee5 x\u00fac m\u1eabu ho\u1eb7c l\u1ea5y m\u1eabu tr\u00ean b\u0103ng chuy\u1ec1n<\/strong>, b\u1eb1ng g\u1ed7 ho\u1eb7c b\u1eb1ng kim lo\u1ea1i, c\u00f3 h\u00ecnh d\u00e1ng nh\u01b0 m\u00f4 t\u1ea3 tr\u00ean H\u00ecnh1;<\/li>\n<li><strong>thi\u1ebft b\u1ecb chia m\u1eabu<\/strong>, g\u1ed3m h\u1ed9p ch\u1ee9a v\u00e0 m\u00e1ng chia m\u1eabu nh\u01b0 m\u00f4 t\u1ea3 tr\u00ean H\u00ecnh 2. Chi\u1ec1u r\u1ed9ng khe ch\u1ea3y c\u1ee7a m\u00e1ng chia m\u1eabu ph\u1ea3i l\u1edbn h\u01a1n 1,5 l\u1ea7n k\u00edch th\u01b0\u1edbc h\u1ea1t c\u1ed1t li\u1ec7u nh\u1ecf l\u1edbn nh\u1ea5t.<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td width=\"416\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>H\u00ecnh 1 <\/strong><strong>&#8211;<\/strong><strong> M\u00f4 t\u1ea3 d\u1ee5ng c\u1ee5 l\u1ea5y m\u1eabu tr\u00ean b\u0103ng chuy\u1ec1n<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"343\"><\/td>\n<td width=\"388\"><\/td>\n<td width=\"140\"><\/td>\n<td width=\"312\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td rowspan=\"3\"><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>H\u00ecnh 2 <\/strong><strong>&#8211;<\/strong><strong> M\u00f4 t\u1ea3 thi\u1ebft b\u1ecb chia m\u1eabu<\/strong><\/p>\n<p><strong>4 L\u1ea5y m\u1eabu th\u1eed<\/strong><\/p>\n<p><strong>4.1 C\u1ed1t li\u1ec7u nh\u1ecf <\/strong><\/p>\n<p><strong>4.1.1<\/strong> L\u1ea5y m\u1eabu ban \u0111\u1ea7u<\/p>\n<p>Tr\u00ean c\u00e1c b\u0103ng truy\u1ec1n, m\u1eabu ban \u0111\u1ea7u \u0111\u01b0\u1ee3c l\u1ea5y \u0111\u1ecbnh k\u1ef3 t\u1eeb 0,5 gi\u1edd \u0111\u1ebfn 1 gi\u1edd v\u00e0 l\u1ea5y tr\u00ean su\u1ed1t chi\u1ec1u ngang b\u0103ng chuy\u1ec1n c\u00e1t. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 H\u00ecnh 1 \u0111\u1ec3 l\u1ea5y m\u1eabu tr\u00ean b\u0103ng chuy\u1ec1n.<\/p>\n<p>N\u1ebfu c\u1ed1t li\u1ec7u nh\u1ecf \u0111\u1ed3ng nh\u1ea5t th\u00ec th\u1eddi gian gi\u1eefa hai l\u1ea7n l\u1ea5y c\u00f3 th\u1ec3 k\u00e9o d\u00e0i h\u01a1n.<\/p>\n<p>Trong kho ch\u1ee9a, m\u1eabu ban \u0111\u1ea7u c\u1ee7a c\u1ed1t li\u1ec7u nh\u1ecf \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb nhi\u1ec1u \u0111i\u1ec3m kh\u00e1c nhau theo chi\u1ec1u cao \u0111\u1ed1ng c\u1ed1t li\u1ec7u t\u1eeb \u0111\u1ec9nh xu\u1ed1ng t\u1edbi ch\u00e2n, sao cho m\u1eabu l\u1ea5y ra \u0111\u1ea1i di\u1ec7n cho c\u1ea3 l\u00f4 c\u1ed1t li\u1ec7u nh\u1ecf.<\/p>\n<p>N\u1ebfu c\u1ed1t li\u1ec7u nh\u1ecf \u1edf trong c\u00e1c b\u1ec3 ch\u1ee9a th\u00ec ph\u1ea3i l\u1ea5y c\u1ea3 tr\u00ean m\u1eb7t v\u00e0 d\u01b0\u1edbi \u0111\u00e1y b\u1ec3.<\/p>\n<p>M\u1ed7i l\u00f4 c\u1ed1t li\u1ec7u nh\u1ecf l\u1ea5y t\u1eeb 10 m\u1eabu \u0111\u1ebfn 15 m\u1eabu ban \u0111\u1ea7u.<\/p>\n<p><strong>4.1.2<\/strong> R\u00fat g\u1ecdn m\u1eabu<\/p>\n<p>C\u00e1c m\u1eabu ban \u0111\u1ea7u sau khi l\u1ea5y theo 4.1.1 \u0111\u01b0\u1ee3c g\u1ed9p l\u1ea1i, tr\u1ed9n k\u1ef9 v\u00e0 r\u00fat g\u1ecdn theo ph\u01b0\u01a1ng ph\u00e1p chia t\u01b0 ho\u1eb7c ph\u01b0\u01a1ng ph\u00e1p chia \u0111\u00f4i b\u1eb1ng th\u00f9ng ch\u1ee9a c\u00f3 m\u00e1ng nh\u1ecf (H\u00ecnh 2) \u0111\u1ec3 c\u00f3 m\u1eabu trung b\u00ecnh kho\u1ea3ng (20 \u2013 40) kg.<\/p>\n<ol>\n<li>a) R\u00fat g\u1ecdn m\u1eabu theo ph\u01b0\u01a1ng ph\u00e1p chia t\u01b0: \u0110\u1ed5 c\u1ed1t li\u1ec7u nh\u1ecf l\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng kh\u00f4 s\u1ea1ch, kh\u00f4ng th\u1ea5m n\u01b0\u1edbc. San ph\u1eb3ng m\u1eb7t m\u1eabu v\u00e0 k\u1ebb hai \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c \u0111\u1ec3 chia m\u1eabu th\u00e0nh b\u1ed1n ph\u1ea7n \u0111\u1ec1u nhau. L\u1ea5y hai ph\u1ea7n b\u1ea5t k\u1ef3 \u0111\u1ed1i \u0111\u1ec9nh nhau, g\u1ed9p l\u1ea1i l\u00e0m m\u1ed9t. Sau \u0111\u00f3 l\u1ea1i tr\u1ed9n k\u1ef9 v\u00e0 r\u00fat g\u1ecdn ph\u1ea7n m\u1eabu g\u1ed9p nh\u01b0 tr\u00ean cho t\u1edbi khi \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft.<\/li>\n<li>b) R\u00fat g\u1ecdn m\u1eabu b\u1eb1ng th\u00f9ng ch\u1ee9a c\u00f3 hai m\u00e1ng nh\u1ecf (xem H\u00ecnh 2). \u0110\u1ed5 m\u1eabu c\u1ed1t li\u1ec7u nh\u1ecf v\u00e0o th\u00f9ng ch\u1ee9a, san ph\u1eb3ng r\u1ed3i m\u1edf m\u00e1ng cho c\u1ed1t li\u1ec7u nh\u1ecf ch\u1ea3y theo hai m\u00e1ng chia ra ph\u00eda ra ngo\u00e0i. D\u00f9ng m\u1ed9t n\u1eeda (kh\u1ed1i l\u01b0\u1ee3ng c\u1ed1t li\u1ec7u nh\u1ecf c\u1ee7a m\u1ed9t m\u00e1ng) \u0111\u1ec3 ti\u1ebfp t\u1ee5c r\u00fat g\u1ecdn nh\u01b0 th\u1ebf cho t\u1edbi khi \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ed1i l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft.<\/li>\n<\/ol>\n<p><strong>4.1.3 <\/strong>T\u1eeb m\u1eabu trung b\u00ecnh \u0111\u00e3 r\u00fat g\u1ecdn theo \u0111i\u1ec1u 4.1.2, l\u1ea5y ra m\u1eabu th\u00ed nghi\u1ec7m cho t\u1eebng ch\u1ec9 ti\u00eau v\u1edbi kh\u1ed1i l\u01b0\u1ee3ng qui \u0111\u1ecbnh trong B\u1ea3ng 1.<\/p>\n<p>Ch\u00fa th\u00edch C\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nhi\u1ec1u ch\u1ec9 ti\u00eau t\u1eeb m\u1ed9t m\u1eabu th\u1eed n\u1ebfu trong qu\u00e1 tr\u00ecnh th\u1eed t\u00ednh ch\u1ea5t c\u1ee7a c\u1ed1t li\u1ec7u nh\u1ecf kh\u00f4ng b\u1ecb thay \u0111\u1ed5i.<\/p>\n<p><strong>B\u1ea3ng 1 &#8211; Kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1eebng ph\u00e9p th\u1eed<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"630\"><strong>T\u00ean ph\u00e9p th\u1eed<\/strong><\/td>\n<td width=\"699\"><strong>Kh\u1ed1i l\u01b0\u1ee3ng m\u1ed9t m\u1eabu th\u00ed nghi\u1ec7m<br \/>\n<\/strong>kg<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">1.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n th\u1ea1ch h\u1ecdc<\/td>\n<td width=\"699\">\u0110\u1ea3m b\u1ea3o kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu \u0111\u1ed1i v\u1edbi t\u1eebng c\u1ee1 h\u1ea1t theo TCVN 7572-3 : 2006<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">2.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang, kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch v\u00e0 \u0111\u1ed9 h\u00fat n\u01b0\u1edbc<\/td>\n<td width=\"699\">0,03<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">3.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch x\u1ed1p v\u00e0 \u0111\u1ed9 h\u1ed5ng<\/td>\n<td width=\"699\">T\u1eeb 5 \u0111\u1ebfn 10 (t\u00f9y theo h\u00e0m l\u01b0\u1ee3ng s\u1ecfi ch\u1ee9a trong c\u00e1t)<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">4.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ea9m<\/td>\n<td width=\"699\">1<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">5.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n h\u1ea1t<\/td>\n<td width=\"699\">2<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">6.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng b\u00f9n, b\u1ee5i, s\u00e9t<\/td>\n<td width=\"699\">0,5<\/td>\n<\/tr>\n<tr>\n<td width=\"630\">7.\u00a0\u00a0\u00a0 X\u00e1c \u0111\u1ecbnh t\u1ea1p ch\u1ea5t h\u1eefu c\u01a1<\/td>\n<td width=\"699\">0,25<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>4.2 C\u1ed1t li\u1ec7u l\u1edbn<\/strong><\/p>\n<p><strong>4.2.1 <\/strong>L\u1ea5y m\u1eabu ban \u0111\u1ea7u<\/p>\n<p>M\u1eabu ban \u0111\u1ea7u c\u1ee7a c\u1ed1t li\u1ec7u l\u1edbn \u0111\u01b0\u1ee3c l\u1ea5y tr\u00ean b\u0103ng truy\u1ec1n, trong kho ho\u1eb7c b\u1ec3 ch\u1ee9a theo nguy\u00ean t\u1eafc \u0111\u00e3 n\u00eau trong \u0111i\u1ec1u 4.1.1.<\/p>\n<p>Ch\u00fa th\u00edch<\/p>\n<p>1) Khi chi\u1ec1u r\u1ed9ng b\u0103ng truy\u1ec1n l\u1edbn h\u01a1n hay b\u1eb1ng 1 000 mm th\u00ec l\u1ea5y m\u1eabu ban \u0111\u1ea7u b\u1eb1ng c\u00e1ch ch\u1eb7n ngang m\u1ed9t ph\u1ea7n b\u0103ng t\u1ea3i cho v\u1eadt li\u1ec7u r\u01a1i ra.<\/p>\n<p>2) N\u1ebfu v\u1eadt li\u1ec7u \u0111\u1ed3ng nh\u1ea5t th\u00ec vi\u1ec7c l\u1ea5y m\u1eabu c\u00f3 th\u1ec3 th\u01b0a h\u01a1n.<\/p>\n<p>N\u1ebfu kho l\u00e0 c\u00e1c h\u1ed9c ch\u1ee9a th\u00ec m\u1eabu ban \u0111\u1ea7u \u0111\u01b0\u1ee3c l\u1ea5y \u1edf l\u1edbp tr\u00ean m\u1eb7t v\u00e0 l\u1edbp d\u01b0\u1edbi \u0111\u00e1y h\u1ed9c ch\u1ee9a. L\u1edbp d\u01b0\u1edbi \u0111\u00e1y l\u1ea5y b\u1eb1ng c\u00e1ch m\u1edf c\u1eeda \u0111\u00e1y h\u1ed9c ch\u1ee9a cho v\u1eadt li\u1ec7u r\u01a1i ra.<\/p>\n<p><strong>4.2.2 <\/strong>Kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu ban \u0111\u1ea7u<\/p>\n<p>T\u00f9y theo \u0111\u1ed9 l\u1edbn c\u1ee7a h\u1ea1t c\u1ed1t li\u1ec7u l\u1edbn, kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu ban \u0111\u1ea7u qui \u0111\u1ecbnh trong B\u1ea3ng 2.<\/p>\n<p><strong>B\u1ea3ng 2 &#8211; Kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu ban \u0111\u1ea7u c\u1ee7a c\u1ed1t li\u1ec7u l\u1edbn<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"713\"><strong>K\u00edch th\u01b0\u1edbc l\u1edbn nh\u1ea5t c\u1ee7a h\u1ea1t c\u1ed1t li\u1ec7u<br \/>\n<\/strong>mm<\/td>\n<td width=\"612\"><strong>Kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu ban \u0111\u1ea7u<br \/>\n<\/strong>kg<\/td>\n<\/tr>\n<tr>\n<td width=\"713\">10<\/td>\n<td width=\"612\">2,5<\/td>\n<\/tr>\n<tr>\n<td width=\"713\">20<\/td>\n<td width=\"612\">5,0<\/td>\n<\/tr>\n<tr>\n<td width=\"713\">40<\/td>\n<td width=\"612\">10,0<\/td>\n<\/tr>\n<tr>\n<td width=\"713\">70<\/td>\n<td width=\"612\">15,0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>4.2.3<\/strong> R\u00fat g\u1ecdn m\u1eabu<\/p>\n<p>G\u1ed9p c\u00e1c m\u1eabu \u0111\u00e3 l\u1ea5y theo 4.2.1 v\u00e0 r\u00fat g\u1ecdn m\u1eabu theo qui t\u1eafc \u0111\u00e3 n\u00eau trong 4.1.2.<\/p>\n<p><strong>4.2.4<\/strong> M\u1eabu trung b\u00ecnh<\/p>\n<p>Tu\u1ef3 theo c\u1ee1 h\u1ea1t, kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu trung b\u00ecnh c\u1ee7a c\u1ed1t li\u1ec7u l\u1edbn d\u00f9ng \u0111\u1ec3 th\u1eed m\u1ed7i lo\u1ea1i ch\u1ec9 ti\u00eau \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb m\u1eabu \u0111\u00e3 r\u00fat g\u1ecdn theo 4.2.3, kh\u00f4ng nh\u1ecf h\u01a1n b\u1ed1n l\u1ea7n kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c n\u00eau trong B\u1ea3ng 3.<\/p>\n<p><strong>B\u1ea3ng 3 &#8211; Kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t c\u1ee7a m\u1eabu th\u1eed \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u00ednh ch\u1ea5t c\u1ee7a c\u1ed1t li\u1ec7u l\u1edbn<\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"524\"><strong>T\u00ean ph\u00e9p th\u1eed<\/strong><\/td>\n<td colspan=\"5\" width=\"812\"><strong>Kh\u1ed1i l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t c\u1ee7a m\u1eabu c\u1ed1t li\u1ec7u l\u1edbn c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1eed t\u00f9y theo c\u1ee1 h\u1ea1t<\/strong><br \/>\nkg<\/td>\n<\/tr>\n<tr>\n<td width=\"170\">T\u1eeb 5 mm \u0111\u1ebfn 10 mm<\/td>\n<td width=\"170\">T\u1eeb 10 mm \u0111\u1ebfn 20 mm<\/td>\n<td width=\"170\">T\u1eeb 20 mm \u0111\u1ebfn 40 mm<\/td>\n<td width=\"170\">T\u1eeb 40 mm \u0111\u1ebfn 70 mm<\/td>\n<td width=\"131\">Tr\u00ean 70 mm<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">1. X\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang, kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch v\u00e0 \u0111\u1ed9 h\u00fat n\u01b0\u1edbc<\/td>\n<td width=\"170\">0,5<\/td>\n<td width=\"170\">1,0<\/td>\n<td width=\"170\">2,5<\/td>\n<td width=\"170\">2,5<\/td>\n<td width=\"131\">2,5<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">2. X\u00e1c \u0111\u1ecbnh kh\u1ed1i l\u01b0\u1ee3ng th\u1ec3 t\u00edch x\u1ed1p v\u00e0 \u0111\u1ed9 h\u1ed5ng<\/td>\n<td width=\"170\">6,5<\/td>\n<td width=\"170\">15,5<\/td>\n<td width=\"170\">30,0<\/td>\n<td width=\"170\">60,0<\/td>\n<td width=\"131\">60,0<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">3. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n c\u1ee1 h\u1ea1t<\/td>\n<td width=\"170\">5,0<\/td>\n<td width=\"170\">5,0<\/td>\n<td width=\"170\">15,0<\/td>\n<td width=\"170\">30,0<\/td>\n<td width=\"131\">50<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">4. X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng b\u00f9n, b\u1ee5i, s\u00e9t<\/td>\n<td width=\"170\">0,25<\/td>\n<td width=\"170\">1,0<\/td>\n<td width=\"170\">5,0<\/td>\n<td width=\"170\">15,0<\/td>\n<td width=\"131\">15,0<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">5. X\u00e1c \u0111\u1ecbnh h\u00e0m l\u01b0\u1ee3ng h\u1ea1t thoi d\u1eb9t<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"170\">20,0<\/td>\n<td width=\"131\">30,0<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">6. X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 \u1ea9m<\/td>\n<td width=\"170\">1,0<\/td>\n<td width=\"170\">2,0<\/td>\n<td width=\"170\">5,0<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"131\">20,0<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">7. X\u00e1c \u0111\u1ecbnh th\u00e0nh ph\u1ea7n th\u1ea1ch h\u1ecdc<\/td>\n<td width=\"170\">0,25<\/td>\n<td width=\"170\">1,0<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"170\">15,0<\/td>\n<td width=\"131\">35,0<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">8. X\u00e1c \u0111\u1ecbnh \u0111\u1ed9 n\u00e9n d\u1eadp trong xi lanh<\/td>\n<td width=\"170\"><\/td>\n<td width=\"170\"><\/td>\n<td width=\"170\"><\/td>\n<td width=\"170\"><\/td>\n<td width=\"131\"><\/td>\n<\/tr>\n<tr>\n<td width=\"524\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u01b0\u1eddng k\u00ednh 75 mm<\/td>\n<td width=\"170\">0,8<\/td>\n<td width=\"170\">0,8<\/td>\n<td width=\"170\">+<\/td>\n<td width=\"170\">+<\/td>\n<td width=\"131\">+<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u0110\u01b0\u1eddng k\u00ednh 150 mm<\/td>\n<td width=\"170\">6,0<\/td>\n<td width=\"170\">6,0<\/td>\n<td width=\"170\">6,0<\/td>\n<td width=\"170\">+<\/td>\n<td width=\"131\">+<\/td>\n<\/tr>\n<tr>\n<td width=\"524\">9. \u0110\u1ed9 hao m\u00f2n khi va \u0111\u1eadp trong m\u00e1y m\u00e0i m\u00f2n va \u0111\u1eadp Los Angeles<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"170\">10,0<\/td>\n<td width=\"170\">20,0<\/td>\n<td width=\"170\">+<\/td>\n<td width=\"131\">+<\/td>\n<\/tr>\n<tr>\n<td colspan=\"6\" width=\"1336\">Ch\u00fa th\u00edch 1 \u0110\u00e1 d\u0103m thu\u1ed9c c\u1ee1 h\u1ea1t c\u00f3 d\u1ea5u c\u1ed9ng (+) tr\u01b0\u1edbc khi \u0111em th\u1eed ph\u1ea3i \u0111\u1eadp v\u1ee1 \u0111\u1ec3 \u0111\u1ea1t c\u1ee1 h\u1ea1t nh\u1ecf h\u01a1n li\u1ec1n k\u1ec1 trong B\u1ea3ng 3, sau \u0111\u00f3 l\u1ea5y kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu b\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu c\u1ee7a c\u1ee1 h\u1ea1t m\u1edbi nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<p>Ch\u00fa th\u00edch 2 \u0110\u1ec3 ti\u1ebfn h\u00e0nh m\u1ed9t s\u1ed1 ph\u00e9p th\u1eed \u0111\u00e1 d\u0103m ho\u1eb7c s\u1ecfi, kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu c\u1ea7n thi\u1ebft l\u1ea5y b\u1eb1ng t\u1ed5ng kh\u1ed1i l\u01b0\u1ee3ng c\u00e1c m\u1eabu cho t\u1eebng ph\u00e9p th\u1eed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>5 Bi\u00ean b\u1ea3n l\u1ea5y m\u1eabu<\/strong><\/p>\n<p>Bi\u00ean b\u1ea3n l\u1ea5y m\u1eabu ph\u1ea3i c\u00f3 \u0111\u1ee7 c\u00e1c n\u1ed9i dung sau:<\/p>\n<ul>\n<li>t\u00ean v\u00e0 \u0111\u1ecba ch\u1ec9 c\u1ee7a t\u1ed5 ch\u1ee9c l\u1ea5y m\u1eabu;<\/li>\n<li>n\u01a1i l\u1ea5y m\u1eabu v\u00e0 n\u01a1i m\u1eabu \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn;<\/li>\n<li>lo\u1ea1i c\u1ed1t li\u1ec7u;<\/li>\n<li>kh\u1ed1i l\u01b0\u1ee3ng m\u1eabu;<\/li>\n<li>c\u00e1c \u0111i\u1ec1u ki\u1ec7n ho\u1eb7c c\u00e1c \u0111i\u1ec3m l\u01b0u \u00fd khi l\u1ea5y m\u1eabu;<\/li>\n<li>ng\u01b0\u1eddi l\u1ea5y m\u1eabu;<\/li>\n<li>vi\u1ec7n d\u1eabn ti\u00eau chu\u1ea9n n\u00e0y.<\/li>\n<\/ul>\n<div class=\"cauhoi-giainen\"><em><strong>M\u1eadt kh\u1ea9u: XYZABC (5 &#8211; 7 k\u00fd t\u1ef1 s\u1ed1 or ch\u1eef ). Xem H\u01b0\u1edbng D\u1eabn T\u1ea3i<\/strong><\/em>\u2002 <span style=\"color: #ff0000;\"><em><a style=\"color: #ff0000;\" href=\"https:\/\/tailieuxaydung.net\/huong-dan-tai-sua-chua-gian-phoi-thong-minh\" target=\"_blank\" rel=\"noopener\"><span style=\"text-decoration: underline;\"><span style=\"color: #0000ff;\"><strong>T\u1ea1i \u0111\u00e2y<\/strong><\/span><\/span><\/a><\/em><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Password gi\u1ea3i n\u00e9n n\u1eb1m \u1edf cu\u1ed1i b\u00e0i vi\u1ebft. TI\u00caU CHU\u1ea8N VI\u1ec6T NAM TCVN 7572-1:2006 C\u1ed0T LI\u1ec6U CHO B\u00ca T\u00d4NG V\u00c0 V\u1eeeA &#8211; PH\u01af\u01a0NG PH\u00c1P TH\u1eec &#8211; PH\u1ea6N 1: L\u1ea4Y M\u1eaaU Aggregates for concrete and mortar &#8211; Test methods &nbsp; L\u1eddi n\u00f3i \u0111\u1ea7u TCVN 7572-1 : 2006 \u00a0\u00a0\u00a0\u00a0\u00a0 thay th\u1ebf TCVN 337 : 1986 v\u00e0 \u0111i\u1ec1u&#8230;<\/p>\n","protected":false},"author":1,"featured_media":7858,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-7855","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tieu-chuan-xay-dung"],"_links":{"self":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/7855","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7855"}],"version-history":[{"count":4,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/7855\/revisions"}],"predecessor-version":[{"id":31310,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/posts\/7855\/revisions\/31310"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=\/wp\/v2\/media\/7858"}],"wp:attachment":[{"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7855"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7855"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tailieuxaydung.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7855"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}