{"id":1102,"date":"2026-04-03T03:12:31","date_gmt":"2026-04-03T03:12:31","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=standard&#038;p=1102"},"modified":"2026-04-08T06:00:06","modified_gmt":"2026-04-08T06:00:06","slug":"astm-d5884","status":"publish","type":"standard","link":"https:\/\/www.geo-tester.com\/vi\/standard\/astm-d5884\/","title":{"rendered":"ASTM D5884"},"content":{"rendered":"<p class=\"wp-block-paragraph\">M\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c h\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng nh\u01b0 b\u00e3i ch\u00f4n l\u1ea5p r\u00e1c th\u1ea3i, h\u1ed3 ch\u1ee9a n\u01b0\u1edbc, m\u1ecf khai th\u00e1c v\u00e0 c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, v\u1eadt li\u1ec7u ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc g\u00e2y h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 trong su\u1ed1t th\u1eddi gian s\u1eed d\u1ee5ng l\u00e2u d\u00e0i. M\u1ed9t trong nh\u1eefng ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t quan tr\u1ecdng nh\u1ea5t l\u00e0 <strong>kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch<\/strong>, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi m\u00e0ng ch\u1ed1ng th\u1ea5m ch\u1ee9a <strong>l\u1edbp gia c\u1ed1 b\u1eb1ng v\u1ea3i b\u00ean trong<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n c\u00f3 t\u00ean g\u1ecdi l\u00e0 ASTM D5884, do ASTM International ban h\u00e0nh, quy \u0111\u1ecbnh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p th\u00ed nghi\u1ec7m \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt gia c\u1ed1 b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <strong>ph\u01b0\u01a1ng ph\u00e1p r\u1ea1ch l\u01b0\u1ee1i<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u00e0y <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n x\u00e9 theo ti\u00eau chu\u1ea9n ASTM D5884<\/strong> gi\u00fap c\u00e1c k\u1ef9 s\u01b0, nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e2n vi\u00ean ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng so s\u00e1nh c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt v\u00e0 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng lan truy\u1ec1n v\u1ebft r\u00e1ch c\u1ee7a ch\u00fang trong \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111\u1ed1i v\u1edbi m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt gia c\u1ed1<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o<\/strong> \u0111o l\u01b0\u1eddng l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m lan r\u1ed9ng v\u1ebft c\u1eaft ho\u1eb7c v\u1ebft kh\u00eda hi\u1ec7n c\u00f3 tr\u00ean v\u1eadt li\u1ec7u. \u0110\u1ed1i v\u1edbi m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt gia c\u1ed1, t\u00ednh ch\u1ea5t n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n nh\u1eefng v\u1ebft c\u1eaft nh\u1ecf trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n, l\u1eafp \u0111\u1eb7t ho\u1eb7c s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch k\u00e9m, m\u1ed9t khuy\u1ebft t\u1eadt nh\u1ecf c\u00f3 th\u1ec3 nhanh ch\u00f3ng lan r\u1ed9ng, d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 ho\u1eb7c h\u1ecfng h\u00f3c h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D5884 t\u1eadp trung v\u00e0o <strong>m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt linh ho\u1ea1t \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng c\u1ea5u tr\u00fac d\u1ec7t<\/strong>, ch\u1eb3ng h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00e0ng \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng v\u1ea3i l\u01b0\u1edbi<\/li>\n\n\n\n<li>M\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt gia c\u1ed1 b\u1eb1ng v\u1ea3i d\u1ec7t<\/li>\n\n\n\n<li>V\u1eadt li\u1ec7u r\u00e0o c\u1ea3n composite k\u1ebft h\u1ee3p polymer v\u00e0 s\u1ee3i d\u1ec7t<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch \u1edf c\u1ea3 hai:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u01b0\u1edbng s\u1ee3i d\u1ecdc (MD)<\/strong><\/li>\n\n\n\n<li><strong>H\u01b0\u1edbng ngang so v\u1edbi m\u00e1y (CMD)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c th\u1eed nghi\u1ec7m c\u1ea3 hai h\u01b0\u1edbng l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec c\u00e1c s\u1ee3i gia c\u01b0\u1eddng th\u01b0\u1eddng c\u00f3 h\u01b0\u1edbng kh\u00e1c nhau, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo ti\u00eau chu\u1ea9n ASTM D5884, \u0111\u1ed9 b\u1ec1n x\u00e9 thu \u0111\u01b0\u1ee3c t\u1eeb th\u1eed nghi\u1ec7m th\u1ec3 hi\u1ec7n <strong>\u0111\u1ed9 b\u1ec1n t\u01b0\u01a1ng \u0111\u1ed1i trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t<\/strong>, thay v\u00ec l\u00e0 m\u1ed9t d\u1ef1 \u0111o\u00e1n tr\u1ef1c ti\u1ebfp v\u1ec1 hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ph\u01b0\u01a1ng ph\u00e1p th\u1eed \u0111\u1ed9 r\u00e1ch m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt theo ti\u00eau chu\u1ea9n ASTM D5884<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch c\u1ee7a m\u00e0ng ch\u1ed1ng th\u1ea5m<\/strong> Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n ASTM D5884 s\u1eed d\u1ee5ng m\u1eabu th\u1eed c\u00f3 m\u1ed9t \u0111\u01b0\u1eddng r\u1ea1ch s\u1eb5n t\u1ea1o th\u00e0nh hai \u201cl\u01b0\u1ee1i\u201d. M\u1ed7i l\u01b0\u1ee1i \u0111\u01b0\u1ee3c k\u1eb9p v\u00e0o m\u00e1y th\u1eed nghi\u1ec7m v\u00e0 k\u00e9o ra hai b\u00ean cho \u0111\u1ebfn khi v\u1ebft r\u00e1ch lan r\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft l\u1eadp m\u1eabu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eabu th\u1eed ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t ch\u00ednh gi\u1eefa trong m\u00e1y th\u1eed nghi\u1ec7m sao cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u1ed9t l\u01b0\u1ee1i \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t trong k\u1eb9p tr\u00ean<\/strong><\/li>\n\n\n\n<li><strong>Chi\u1ebfc l\u01b0\u1ee1i c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t trong k\u1eb9p d\u01b0\u1edbi<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Kho\u1ea3ng c\u00e1ch ban \u0111\u1ea7u gi\u1eefa c\u00e1c tay c\u1ea7m ph\u1ea3i l\u00e0: <strong><span style=\"text-decoration: underline;\"><em>75 mm (3 in.)<\/em><\/span><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh n\u00e0y \u0111\u1eb7t c\u00e1c m\u1eb7t b\u00e1m tay \u1edf v\u1ecb tr\u00ed x\u1ea5p x\u1ec9 <strong>C\u00e1ch \u0111\u1ea7u h\u1ed9i t\u1ee5 c\u1ee7a khe 38 mm<\/strong>, \u0111\u1ea3m b\u1ea3o s\u1ef1 lan truy\u1ec1n v\u1ebft r\u00e1ch di\u1ec5n ra \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1c \u0111\u1ed9 ki\u1ec3m th\u1eed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D5884 quy \u0111\u1ecbnh m\u00e1y th\u1eed nghi\u1ec7m ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mi>v<\/mi><mo>=<\/mo><mn>50<\/mn><mo>\u00b1<\/mo><mn>2<\/mn><mtext>&nbsp;mm\/ph\u00fat<\/mtext><\/mrow><annotation encoding=\"application\/x-tex\">v = 50 \u00b1 2\\ \\text{mm\/ph\u00fat}<\/annotation><\/semantics><\/math>v = 50 \u00b1 2 mm\/ph\u00fat<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c duy tr\u00ec t\u1ed1c \u0111\u1ed9 quy \u0111\u1ecbnh l\u00e0 r\u1ea5t quan tr\u1ecdng b\u1edfi v\u00ec <strong>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 t\u00f9y theo t\u1ed1c \u0111\u1ed9 bi\u1ebfn d\u1ea1ng<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Th\u1ef1c thi th\u1eed nghi\u1ec7m<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>C\u1ed7 m\u00e1y k\u00e9o hai l\u01b0\u1ee1i ra xa nhau.<\/li>\n\n\n\n<li>V\u1ebft r\u00e1ch lan d\u1ecdc theo \u0111\u01b0\u1eddng r\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eaft s\u1eb5n.<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng li\u00ean t\u1ee5c ghi l\u1ea1i l\u1ef1c t\u00e1c d\u1ee5ng.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eabu th\u1eed ti\u1ebfp t\u1ee5c b\u1ecb r\u00e1ch trong m\u1ed9t kho\u1ea3ng c\u00e1ch l\u00e0 <strong>75\u2013100 mm<\/strong> cho \u0111\u1ebfn khi x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n r\u00e1ch l\u01b0\u1ee1i v\u00e0 t\u00ednh to\u00e1n k\u1ebft qu\u1ea3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong <strong>Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a l\u01b0\u1ee1i<\/strong>, k\u1ebft qu\u1ea3 ch\u00ednh l\u00e0 <strong>l\u1ef1c t\u1ed1i \u0111a c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m v\u1ebft r\u00e1ch lan r\u1ed9ng<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo ti\u00eau chu\u1ea9n ASTM D5884:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1i <strong>\u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u1ed9t m\u1eabu th\u1eed ri\u00eang l\u1ebb<\/strong> b\u1eb1ng <strong>c\u00f4ng su\u1ea5t \u0111\u1ec9nh \u0111\u01b0\u1ee3c ghi nh\u1eadn trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m<\/strong>.<\/li>\n\n\n\n<li>C\u00e1i <strong>\u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u1eabu th\u1eed<\/strong> b\u1eb1ng <strong>gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a n\u0103m m\u1eabu h\u1ee3p l\u1ec7<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ki\u1ec3m tra ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u1edf c\u1ea3 hai n\u01a1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u01b0\u1edbng s\u1ee3i d\u1ecdc (MD)<\/strong><\/li>\n\n\n\n<li><strong>H\u01b0\u1edbng ngang so v\u1edbi m\u00e1y (CMD)<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m c\u0169ng n\u00ean t\u00ednh to\u00e1n c\u00e1c ch\u1ec9 s\u1ed1 th\u1ed1ng k\u00ea b\u1ed5 sung:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n k\u00e9o trung b\u00ecnh<\/strong><\/li>\n\n\n\n<li><strong>\u0110\u1ed9 l\u1ec7ch chu\u1ea9n<\/strong><\/li>\n\n\n\n<li><strong>H\u1ec7 s\u1ed1 bi\u1ebfn thi\u00ean<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu m\u1eabu b\u1ecb r\u00e1ch theo h\u01b0\u1edbng kh\u00f4ng mong mu\u1ed1n ho\u1eb7c cho k\u1ebft qu\u1ea3 <strong>25% cao h\u01a1n ho\u1eb7c th\u1ea5p h\u01a1n m\u1ee9c trung b\u00ecnh do sai s\u1ed1 trong qu\u00e1 tr\u00ecnh ki\u1ec3m tra<\/strong>, k\u1ebft qu\u1ea3 s\u1ebd l\u00e0 <strong>\u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf v\u00e0 thay th\u1ebf b\u1eb1ng m\u1ed9t m\u1eabu m\u1edbi<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c ph\u00e9p t\u00ednh n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00e1nh gi\u00e1 <strong>t\u00ednh \u0111\u1ed3ng nh\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh gia c\u1ed1 b\u1eb1ng m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D5884<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>m\u00e1y th\u1eed k\u00e9o ch\u00ednh x\u00e1c<\/strong> l\u00e0 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n ch\u00ednh x\u00e1c c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch theo ti\u00eau chu\u1ea9n ASTM D5884. Thi\u1ebft b\u1ecb n\u00e0y ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110o l\u1ef1c \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh<\/li>\n\n\n\n<li>C\u00e1c thi\u1ebft b\u1ecb k\u1eb9p \u0111\u00e1ng tin c\u1eady<\/li>\n\n\n\n<li>Ghi l\u1ea1i \u0111\u01b0\u1eddng cong t\u1ea3i theo th\u1eddi gian th\u1ef1c<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o TST-01 c\u1ee7a <strong>Cell Instruments<\/strong> r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c \u01b0u \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u1ec7 th\u1ed1ng ki\u1ec3m tra \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC v\u1edbi giao di\u1ec7n m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng 7 inch<\/strong><\/li>\n\n\n\n<li><strong>C\u01a1 c\u1ea5u v\u00edt bi ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng tr\u01a1n tru<\/strong><\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh trong kho\u1ea3ng t\u1eeb 1\u2013500 mm\/ph\u00fat<\/strong>, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a ti\u00eau chu\u1ea9n ASTM D5884<\/li>\n\n\n\n<li><strong>\u0110o t\u1ea3i tr\u1ecdng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao (0,51 TP5T FS)<\/strong><\/li>\n\n\n\n<li><strong>T\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb<\/strong> \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m \u0111\u1ed9 r\u00e1ch, \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 bong tr\u00f3c v\u00e0 \u0111\u1ed9 th\u1ee7ng<\/li>\n\n\n\n<li>T\u00f9y ch\u1ecdn <strong>m\u00e1y in si\u00eau nh\u1ecf v\u00e0 k\u1ebft n\u1ed1i RS-232<\/strong> \u0111\u1ec3 l\u1eadp b\u00e1o c\u00e1o th\u1eed nghi\u1ec7m v\u00e0 qu\u1ea3n l\u00fd d\u1eef li\u1ec7u<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do c\u00e1c ph\u00f2ng th\u00ed nghi\u1ec7m v\u1ec1 m\u00e0ng ch\u1ed1ng th\u1ea5m th\u01b0\u1eddng ti\u1ebfn h\u00e0nh nhi\u1ec1u th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc kh\u00e1c nhau, n\u00ean m\u1ed9t m\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o \u0111a n\u0103ng cho ph\u00e9p <strong>chuy\u1ec3n \u0111\u1ed5i hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ASTM kh\u00e1c nhau<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao ti\u00eau chu\u1ea9n ASTM D5884 l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D5884 quy \u0111\u1ecbnh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng r\u00e1ch c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt gia c\u1ed1 trong \u0111i\u1ec1u ki\u1ec7n ph\u00f2ng th\u00ed nghi\u1ec7m \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 k\u1ef9 s\u01b0 d\u1ef1 \u00e1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>So s\u00e1nh c\u00e1c c\u1ea5u tr\u00fac c\u1ed1t th\u00e9p kh\u00e1c nhau<\/strong><\/li>\n\n\n\n<li><strong>\u0110\u00e1nh gi\u00e1 t\u00ednh \u0111\u1ed3ng nh\u1ea5t c\u1ee7a nguy\u00ean li\u1ec7u trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/strong><\/li>\n\n\n\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m li\u00ean k\u1ebft y\u1ebfu gi\u1eefa l\u1edbp c\u1ed1t th\u00e9p v\u00e0 l\u1edbp polymer<\/strong><\/li>\n\n\n\n<li><strong>Ki\u1ec3m tra vi\u1ec7c tu\u00e2n th\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/li>\n\n\n\n<li><strong>H\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n ch\u1ee9a ch\u1ea5t th\u1ea3i quy m\u00f4 l\u1edbn nh\u01b0 b\u00e3i ch\u00f4n l\u1ea5p ho\u1eb7c h\u1ed3 ch\u1ee9a ch\u1ea5t th\u1ea3i khai th\u00e1c m\u1ecf, c\u00e1c th\u1eed nghi\u1ec7m n\u00e0y g\u00f3p ph\u1ea7n tr\u1ef1c ti\u1ebfp v\u00e0o <strong>\u0111\u1ed9 tin c\u1eady c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 an to\u00e0n m\u00f4i tr\u01b0\u1eddng<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n<div data-wp-context=\"{ &quot;autoclose&quot;: false, &quot;accordionItems&quot;: [] }\" data-wp-interactive=\"core\/accordion\" role=\"group\" class=\"wp-block-accordion is-layout-flow wp-block-accordion-is-layout-flow\">\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-1&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-1-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-1\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Ti\u00eau chu\u1ea9n ASTM D5884 \u0111o l\u01b0\u1eddng \u0111i\u1ec1u g\u00ec?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-1\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-1-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n ASTM D5884 d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 c\u1ed1t th\u00e9p b\u00ean trong, c\u1ee5 th\u1ec3 l\u00e0 l\u1ef1c t\u1ed1i \u0111a c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra v\u1ebft r\u00e1ch lan truy\u1ec1n d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng \u0111i \u0111\u00e3 \u0111\u1ecbnh.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-2&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-2-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-2\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Nh\u1eefng lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m theo ti\u00eau chu\u1ea9n ASTM D5884?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-2\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-2-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho c\u00e1c lo\u1ea1i m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt linh ho\u1ea1t c\u00f3 l\u1edbp gia c\u1ed1 b\u1eb1ng v\u1ea3i, bao g\u1ed3m c\u1ea3 m\u00e0ng gia c\u1ed1 b\u1eb1ng l\u01b0\u1edbi v\u00e0 m\u00e0ng gia c\u1ed1 b\u1eb1ng v\u1ea3i d\u1ec7t.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-3&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-3-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-3\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">T\u1ea1i sao ph\u1ea3i th\u1ef1c hi\u1ec7n c\u00e1c x\u00e9t nghi\u1ec7m MD v\u00e0 CMD?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-3\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-3-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng c\u1ee7a c\u1ed1t th\u00e9p c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc kh\u00e1c nhau theo c\u00e1c h\u01b0\u1edbng kh\u00e1c nhau, do \u0111\u00f3 vi\u1ec7c th\u1eed nghi\u1ec7m c\u1ea3 hai h\u01b0\u1edbng s\u1ebd gi\u00fap \u0111\u00e1nh gi\u00e1 m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-4&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-4-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-4\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m ti\u00eau chu\u1ea9n theo ti\u00eau chu\u1ea9n ASTM D5884 l\u00e0 bao nhi\u00eau?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-4\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-4-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 th\u1eed nghi\u1ec7m y\u00eau c\u1ea7u l\u00e0 50 \u00b1 2 mm\/ph\u00fat.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-5&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-5-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-5\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">N\u00ean x\u00e9t nghi\u1ec7m bao nhi\u00eau m\u1eabu?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-5\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-5-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ph\u1ea3i ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m \u00edt nh\u1ea5t n\u0103m m\u1eabu h\u1ee3p l\u1ec7 theo m\u1ed7i h\u01b0\u1edbng (MD v\u00e0 CMD) \u0111\u1ec3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 c\u00f3 t\u00ednh \u0111\u1ea1i di\u1ec7n.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div data-wp-class--is-open=\"state.isOpen\" data-wp-context=\"{ &quot;id&quot;: &quot;accordion-item-6&quot;, &quot;openByDefault&quot;: false }\" data-wp-init=\"callbacks.initAccordionItems\" data-wp-on-window--hashchange=\"callbacks.hashChange\" class=\"wp-block-accordion-item is-layout-flow wp-block-accordion-item-is-layout-flow\">\n<h3 class=\"wp-block-accordion-heading\"><button aria-expanded=\"false\" aria-controls=\"accordion-item-6-panel\" data-wp-bind--aria-expanded=\"state.isOpen\" data-wp-on--click=\"actions.toggle\" data-wp-on--keydown=\"actions.handleKeyDown\" id=\"accordion-item-6\" type=\"button\" class=\"wp-block-accordion-heading__toggle\"><span class=\"wp-block-accordion-heading__toggle-title\">Thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u00e0i ki\u1ec3m tra n\u00e0y?<\/span><span class=\"wp-block-accordion-heading__toggle-icon\" aria-hidden=\"true\">+<\/span><\/button><\/h3>\n\n\n\n<div inert aria-labelledby=\"accordion-item-6\" data-wp-bind--inert=\"!state.isOpen\" id=\"accordion-item-6-panel\" role=\"region\" class=\"wp-block-accordion-panel is-layout-flow wp-block-accordion-panel-is-layout-flow\">\n<p class=\"wp-block-paragraph\">M\u00e1y th\u1eed k\u00e9o \u0111a n\u0103ng k\u00e8m theo c\u00e1c b\u1ed9 k\u1eb9p th\u1eed r\u00e1ch ph\u00f9 h\u1ee3p th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 <a href=\"https:\/\/store.astm.org\/d5884_d5884m-23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D5884<\/a> ki\u1ec3m tra.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Ti\u00eau chu\u1ea9n ASTM D5884 quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 b\u1ec1n x\u00e9 c\u1ee7a m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt c\u00f3 c\u1ed1t th\u00e9p b\u00ean trong b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p x\u00e9 l\u01b0\u1ee1i. Th\u1eed nghi\u1ec7m n\u00e0y \u0111o l\u1ef1c c\u1ef1c \u0111\u1ea1i c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra v\u1ebft r\u00e1ch lan r\u1ed9ng tr\u00ean m\u1eabu th\u1eed \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eaft s\u1eb5n theo c\u1ea3 hai h\u01b0\u1edbng d\u1ecdc v\u00e0 ngang so v\u1edbi h\u01b0\u1edbng m\u00e1y.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"standard-category":[56],"class_list":["post-1102","standard","type-standard","status-publish","hentry","standard-category-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/standard\/1102","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/standard"}],"about":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/types\/standard"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/media?parent=1102"}],"wp:term":[{"taxonomy":"standard-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/standard-category?post=1102"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}