{"id":1075,"date":"2026-03-24T07:53:25","date_gmt":"2026-03-24T07:53:25","guid":{"rendered":"https:\/\/www.geo-tester.com\/?post_type=method&#038;p=1075"},"modified":"2026-04-08T05:57:45","modified_gmt":"2026-04-08T05:57:45","slug":"grab-tensile-test","status":"publish","type":"method","link":"https:\/\/www.geo-tester.com\/vi\/method\/grab-tensile-test\/","title":{"rendered":"Th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a k\u1eb9p"},"content":{"rendered":"<p class=\"wp-block-paragraph\">C\u00e1i <strong>th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o khi n\u1eafm ch\u1eb7t<\/strong> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c v\u1eadt li\u1ec7u t\u01b0\u01a1ng t\u1ef1. C\u00e1c k\u1ef9 s\u01b0 v\u00e0 chuy\u00ean gia ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng d\u1ef1a v\u00e0o ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1ch c\u00e1c v\u1eadt li\u1ec7u ph\u1ea3n \u1ee9ng d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a \u1ee9ng su\u1ea5t k\u00e9o c\u1ee5c b\u1ed9, \u0111i\u1ec1u n\u00e0y ph\u1ea3n \u00e1nh s\u00e1t th\u1ef1c t\u1ebf c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00e1c v\u1edbi th\u1eed nghi\u1ec7m k\u00e9o to\u00e0n chi\u1ec1u r\u1ed9ng, th\u1eed nghi\u1ec7m k\u00e9o m\u1eabu l\u1ea5y ng\u1eabu nhi\u00ean \u0111o l\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u d\u1ec7t \u0111\u1ed3ng th\u1eddi cho ph\u00e9p c\u00e1c s\u1ee3i li\u1ec1n k\u1ec1 g\u00f3p ph\u1ea7n v\u00e0o vi\u1ec7c ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ecba k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong gia c\u1ed1, ng\u0103n c\u00e1ch v\u00e0 l\u1ecdc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM D4632: Ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n \u0111\u1ec3 th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o m\u1eabu ng\u1eabu nhi\u00ean<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>ASTM D4632<\/strong> Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh quy tr\u00ecnh x\u00e1c \u0111\u1ecbnh t\u1ea3i tr\u1ecdng \u0111\u1ee9t v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p l\u1ea5y m\u1eabu ng\u1eabu nhi\u00ean. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 ti\u00eau chu\u1ea9n tham chi\u1ebfu \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn r\u1ed9ng r\u00e3i trong c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 so s\u00e1nh v\u1eadt li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c n\u1ed9i dung ch\u00ednh c\u1ee7a ti\u00eau chu\u1ea9n ASTM D4632 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nguy\u00ean l\u00fd th\u1eed nghi\u1ec7m<\/strong>: T\u00e1c d\u1ee5ng m\u1ed9t l\u1ef1c k\u00e9o ng\u00e0y c\u00e0ng t\u0103ng cho \u0111\u1ebfn khi m\u1eabu b\u1ecb \u0111\u1ee9t<\/li>\n\n\n\n<li><strong>K\u1eb9p m\u1eabu<\/strong>: Ch\u1ec9 ph\u1ea7n gi\u1eefa m\u1edbi \u0111\u01b0\u1ee3c k\u1eb9p ch\u1eb7t, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho s\u1ef1 t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c s\u1ee3i theo h\u01b0\u1edbng ngang<\/li>\n\n\n\n<li><strong>M\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m<\/strong>: \u0110i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t (21 \u00b1 2\u00b0C, 65 \u00b1 5% RH)<\/li>\n\n\n\n<li><strong>Chi\u1ec1u d\u00e0i \u0111o ti\u00eau bi\u1ec3u<\/strong>: 75 mm<\/li>\n\n\n\n<li><strong>T\u1ed1c \u0111\u1ed9 khuy\u1ebfn ngh\u1ecb<\/strong>: ~300 mm\/ph\u00fat<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p <strong>gi\u00e1 tr\u1ecb ch\u1ec9 s\u1ed1<\/strong>, c\u00f3 ngh\u0129a l\u00e0 c\u00e1c k\u1ebft qu\u1ea3 n\u00e0y th\u00edch h\u1ee3p nh\u1ea5t \u0111\u1ec3 so s\u00e1nh gi\u1eefa c\u00e1c v\u1eadt li\u1ec7u c\u00f3 c\u1ea5u tr\u00fac t\u01b0\u01a1ng t\u1ef1 nhau h\u01a1n l\u00e0 \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u1ef1c ti\u1ebfp trong c\u00e1c t\u00ednh to\u00e1n thi\u1ebft k\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o khi n\u1eafm c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>\u0111\u1ed9 b\u1ec1n k\u00e9o khi b\u00e1m d\u00ednh c\u1ee7a v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt<\/strong> th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u. T\u00ednh ch\u1ea5t n\u00e0y tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H\u1ec7 th\u1ed1ng gia c\u1ed1 \u0111\u1ea5t<\/li>\n\n\n\n<li>X\u00e2y d\u1ef1ng v\u00e0 gia c\u1ed1 \u0111\u01b0\u1eddng b\u1ed9<\/li>\n\n\n\n<li>L\u1edbp l\u00f3t b\u00e3i ch\u00f4n l\u1ea5p v\u00e0 h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1eed nghi\u1ec7m k\u00e9o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p k\u1eb9p, \u0111\u1ed9 b\u1ec1n \u0111o \u0111\u01b0\u1ee3c bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 b\u1ec1n s\u1ee3i s\u01a1 c\u1ea5p<\/strong><\/li>\n\n\n\n<li><strong>T\u01b0\u01a1ng t\u00e1c ma s\u00e1t gi\u1eefa c\u00e1c s\u1ee3i<\/strong><\/li>\n\n\n\n<li><strong>Chia s\u1ebb t\u1ea3i t\u1eeb c\u00e1c khu v\u1ef1c m\u1ea1ng l\u00e2n c\u1eadn<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do t\u00e1c \u0111\u1ed9ng t\u1ed5ng h\u1ee3p n\u00e0y, \u0111\u1ed9 b\u1ec1n k\u00e9o khi b\u00e1m d\u00ednh th\u01b0\u1eddng cao h\u01a1n \u0111\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a d\u1ea3i, nh\u01b0ng n\u00f3 ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u01a1n hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c \u0111\u1ecba.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e1y th\u1eed k\u00e9o CRE trong th\u1eed nghi\u1ec7m k\u00e9o b\u1eb1ng k\u1eb9p<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE<\/strong> (T\u1ed1c \u0111\u1ed9 gi\u00e3n d\u00e0i kh\u00f4ng \u0111\u1ed5i) \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i trong th\u1eed nghi\u1ec7m k\u00e9o m\u1eabu l\u1ea5y ng\u1eabu nhi\u00ean. Lo\u1ea1i thi\u1ebft b\u1ecb n\u00e0y duy tr\u00ec t\u1ed1c \u0111\u1ed9 gi\u00e3n d\u00e0i kh\u00f4ng \u0111\u1ed5i, ph\u00f9 h\u1ee3p v\u1edbi <a href=\"https:\/\/store.astm.org\/d4632_d4632m-15ar23.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">ASTM D4632<\/a> y\u00eau c\u1ea7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t c\u1ea7n ph\u1ea3i \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u sau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u1ee8ng d\u1ee5ng t\u1ea3i \u1ed5n \u0111\u1ecbnh<\/strong> v\u1edbi \u0111\u1ed9 rung t\u1ed1i thi\u1ec3u<\/li>\n\n\n\n<li><strong>Ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u1ecbch chuy\u1ec3n ch\u00ednh x\u00e1c<\/strong><\/li>\n\n\n\n<li><strong>Hi\u1ec3n th\u1ecb \u0111\u01b0\u1eddng cong t\u1ea3i tr\u1ecdng\u2013\u0111\u1ed9 gi\u00e3n d\u00e0i theo th\u1eddi gian th\u1ef1c<\/strong><\/li>\n\n\n\n<li><strong>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch linh ho\u1ea1t c\u1ee7a gi\u00e1 k\u1eb9p v\u1edbi c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u kh\u00e1c nhau<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o Cell Instruments TST-01<\/strong> \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng n\u00e0y. H\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng PLC v\u00e0 c\u01a1 c\u1ea5u v\u00edt bi ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y mang l\u1ea1i kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n chuy\u1ec3n \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh, y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ec3 thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o b\u1eb1ng k\u1eb9p \u0111\u00e1ng tin c\u1eady. D\u1ea3i t\u1ed1c \u0111\u1ed9 c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh (1\u2013500 mm\/ph\u00fat) cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ASTM \u0111\u1ed3ng th\u1eddi th\u00edch \u1ee9ng v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u kh\u00e1c nhau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quy tr\u00ecnh th\u1eed t\u1ea3i \u0111\u1ed9t ng\u1ed9t \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb Grab<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>Th\u1eed nghi\u1ec7m t\u1ea3i g\u00e3y khi k\u1eb9p<\/strong> x\u00e1c \u0111\u1ecbnh l\u1ef1c t\u1ed1i \u0111a m\u00e0 m\u1eabu th\u1eed c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c tr\u01b0\u1edbc khi b\u1ecb h\u1ecfng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh ti\u00eau chu\u1ea9n:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0110\u1eb7t c\u00e1c m\u1eabu th\u1eed trong \u0111i\u1ec1u ki\u1ec7n kh\u00ed quy\u1ec3n ti\u00eau chu\u1ea9n<\/li>\n\n\n\n<li>G\u1eafn m\u1eabu v\u00e0o gi\u1eefa c\u00e1c k\u1eb9p<\/li>\n\n\n\n<li>\u0110\u1eb7t chi\u1ec1u d\u00e0i chu\u1ea9n ban \u0111\u1ea7u (th\u01b0\u1eddng l\u00e0 75 mm)<\/li>\n\n\n\n<li>\u00c1p d\u1ee5ng l\u1ef1c k\u00e9o v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i<\/li>\n\n\n\n<li>Ghi l\u1ea1i <strong>t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t ho\u1eb7c h\u1ecfng m\u00e9p<\/li>\n\n\n\n<li>\u0110\u1ea3m b\u1ea3o s\u1ef1 c\u0103n ch\u1ec9nh nh\u1ea5t qu\u00e1n c\u1ee7a m\u1eabu<\/li>\n\n\n\n<li>Lo\u1ea1i b\u1ecf c\u00e1c k\u1ebft qu\u1ea3 b\u1ea5t th\u01b0\u1eddng v\u00e0 ti\u1ebfn h\u00e0nh x\u00e9t nghi\u1ec7m l\u1ea1i<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng th\u1ec3 hi\u1ec7n <strong>t\u1ea3i tr\u1ecdng \u0111\u1ee9t trung b\u00ecnh<\/strong> t\u1eeb nhi\u1ec1u m\u1eabu th\u1eed \u0111\u01b0\u1ee3c ki\u1ec3m tra theo c\u1ea3 h\u01b0\u1edbng d\u1ecdc m\u00e1y v\u00e0 h\u01b0\u1edbng ngang m\u00e1y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a d\u00e2y c\u00e1p v\u00e0 c\u00e1ch gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1i <strong>th\u1eed nghi\u1ec7m \u0111\u1ed9 gi\u00e3n d\u00e0i khi k\u00e9o<\/strong> \u0111o l\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 gi\u00e3n d\u00e0i c\u1ee7a v\u1eadt li\u1ec7u tr\u01b0\u1edbc khi \u0111\u1ee9t. Ch\u1ec9 s\u1ed1 n\u00e0y \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng \u0111\u1ed9 gi\u00e3n d\u00e0i t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c k\u1ebft qu\u1ea3 ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 gi\u00e3n d\u00e0i t\u1ea1i t\u1ea3i tr\u1ecdng c\u1ef1c \u0111\u1ea1i (%)<\/strong><\/li>\n\n\n\n<li><strong>\u0110\u1ed9 d\u1ecbch chuy\u1ec3n t\u1ea1i \u0111i\u1ec3m \u0111\u1ee9t g\u00e3y (mm)<\/strong><\/li>\n\n\n\n<li><strong>\u0110\u01b0\u1eddng cong t\u1ea3i tr\u1ecdng \u2013 \u0111\u1ed9 gi\u00e3n d\u00e0i<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u1eefng gi\u00e1 tr\u1ecb n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 hi\u1ec3u \u0111\u01b0\u1ee3c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n\n\n\n<li>H\u00e0nh vi bi\u1ebfn d\u1ea1ng d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a \u1ee9ng su\u1ea5t<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u1edbi c\u00e1c m\u00f4i tr\u01b0\u1eddng ch\u1ecbu t\u1ea3i \u0111\u1ed9ng ho\u1eb7c t\u0129nh<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 k\u1ebft h\u1ee3p c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i th\u01b0\u1eddng cho th\u1ea5y \u0111\u1ed9 b\u1ec1n cao h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o l\u1ea1i quan tr\u1ecdng trong c\u00f4ng t\u00e1c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Th\u1eed nghi\u1ec7m k\u00e9o b\u1eb1ng k\u1eb9p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00ec:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00f4 ph\u1ecfng <strong>\u0111i\u1ec1u ki\u1ec7n ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t th\u1ef1c t\u1ebf<\/strong><\/li>\n\n\n\n<li>Cung c\u1ea5p <strong>k\u1ebft qu\u1ea3 nhanh ch\u00f3ng v\u00e0 c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i<\/strong><\/li>\n\n\n\n<li>H\u1ed7 tr\u1ee3 <strong>Ki\u1ec3m tra v\u00e0 c\u1ea5p ch\u1ee9ng nh\u1eadn nguy\u00ean v\u1eadt li\u1ec7u nh\u1eadp kho<\/strong><\/li>\n\n\n\n<li>Gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t duy tr\u00ec <strong>ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m \u1ed5n \u0111\u1ecbnh<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, c\u00e1c chuy\u00ean gia c\u1ea7n l\u01b0u \u00fd r\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng th\u1ec3 thay th\u1ebf cho th\u1eed nghi\u1ec7m k\u00e9o d\u1ea3i ho\u1eb7c th\u1eed nghi\u1ec7m tr\u00ean m\u1eabu c\u00f3 chi\u1ec1u r\u1ed9ng l\u1edbn khi c\u1ea7n ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch k\u1ebft c\u1ea5u chi ti\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ed1i \u01b0u h\u00f3a thi\u1ebft l\u1eadp th\u1eed nghi\u1ec7m \u0111\u1ed9 b\u1ec1n k\u00e9o Grab<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n <strong>M\u00e1y th\u1eed \u0111\u1ed9 b\u1ec1n k\u00e9o CRE<\/strong> h\u1ec7 th\u1ed1ng<\/li>\n\n\n\n<li>Ch\u1ecdn c\u00e1c b\u1ec1 m\u1eb7t k\u1eb9p ph\u00f9 h\u1ee3p \u0111\u1ec3 ng\u0103n ng\u1eeba tr\u01b0\u1ee3t<\/li>\n\n\n\n<li>Duy tr\u00ec c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh<\/li>\n\n\n\n<li>Ki\u1ec3m tra c\u1ea3 theo h\u01b0\u1edbng m\u00e1y (MD) v\u00e0 theo h\u01b0\u1edbng ngang m\u00e1y (CMD)<\/li>\n\n\n\n<li>Ph\u00e2n t\u00edch <strong>gi\u00e1 tr\u1ecb trung b\u00ecnh v\u00e0 \u0111\u1ed9 l\u1ec7ch chu\u1ea9n<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c thi\u1ebft b\u1ecb ti\u00ean ti\u1ebfn nh\u01b0 TST-01 c\u00f2n cho ph\u00e9p xu\u1ea5t v\u00e0 t\u00edch h\u1ee3p d\u1eef li\u1ec7u, t\u1eeb \u0111\u00f3 n\u00e2ng cao kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c v\u00e0 hi\u1ec7u qu\u1ea3 l\u1eadp b\u00e1o c\u00e1o.<\/p>","protected":false},"excerpt":{"rendered":"<p>Th\u1eed nghi\u1ec7m kh\u1ea3 n\u0103ng ch\u1ed1ng th\u1ee7ng \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 m\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ecba k\u1ef9 thu\u1eadt t\u1ed5ng h\u1ee3p nh\u01b0 v\u1ea3i \u0111\u1ecba k\u1ef9 thu\u1eadt v\u00e0 m\u00e0ng \u0111\u1ecba k\u1ef9 thu\u1eadt ch\u1ed1ng l\u1ea1i s\u1ef1 x\u00e2m nh\u1eadp t\u1eeb c\u00e1c t\u1ea3i tr\u1ecdng t\u1eadp trung ho\u1eb7c c\u00e1c v\u1eadt s\u1eafc nh\u1ecdn. C\u00e1c ti\u00eau chu\u1ea9n bao g\u1ed3m ASTM D4833, ASTM D5494, ASTM D6241 v\u00e0 ISO 12236 quy \u0111\u1ecbnh c\u00e1c quy tr\u00ecnh \u0111\u1ec3 \u0111o ch\u1ec9 s\u1ed1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0111\u00e2m th\u1ee7ng h\u00ecnh ch\u00f3p v\u00e0 \u0111\u1ed9 b\u1ec1n ch\u1ed1ng \u0111\u00e2m th\u1ee7ng t\u0129nh.<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true},"method-category":[],"class_list":["post-1075","method","type-method","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/method\/1075","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/method"}],"about":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/types\/method"}],"wp:attachment":[{"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/media?parent=1075"}],"wp:term":[{"taxonomy":"method-category","embeddable":true,"href":"https:\/\/www.geo-tester.com\/vi\/wp-json\/wp\/v2\/method-category?post=1075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}