{"id":67247,"date":"2026-09-30T08:00:45","date_gmt":"2026-09-29T23:00:45","guid":{"rendered":"https:\/\/norimen.net\/?p=67247"},"modified":"2026-09-29T20:32:22","modified_gmt":"2026-09-29T11:32:22","slug":"huong-dan-co-ban-ve-hieu-ung-co-dinh-bang-bu-long-da","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/rock-bolt-pinning-effect-beginner-guide\/","title":{"rendered":"Hi\u1ec7u \u1ee9ng ghim (hi\u1ec7u \u1ee9ng c\u1ecdc neo) trong thi c\u00f4ng c\u1ed1t th\u00e9p l\u00e0 g\u00ec? | Kh\u00e1i ni\u1ec7m v\u1ec1 kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n v\u00e0 kh\u1ed1i \u0111\u1ea5t c\u1ed1 \u0111\u1ecbnh c\u00f9ng ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf d\u1ec5 hi\u1ec3u ngay c\u1ea3 v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"<p>Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n<p>\u0110\u00e2y l\u00e0 Enta.<\/p>\n<p>H\u00f4m nay l\u00e0 ng\u00e0y cu\u1ed1i c\u00f9ng c\u1ee7a th\u00e1ng 9 r\u1ed3i nh\u1ec9.<\/p>\n<p>Ch\u1eb3ng m\u1ea5y ch\u1ed1c \u0111\u00e3 \u0111\u1ebfn cu\u1ed1i n\u0103m r\u1ed3i!!!<\/p>\n<p>M\u1ed9t n\u0103m tr\u00f4i qua nhanh nh\u01b0 ch\u1edbp...<\/p>\n<p>Nhanh qu\u00e1! Qu\u00e1 nhanh r\u1ed3i!!!<\/p>\n<p>Ch\u1ec9 trong ch\u1edbp m\u1eaft th\u00f4i nh\u1ec9<\/p>\n<p>M\u00ecnh c\u00f3 c\u1ea3m gi\u00e1c l\u00e0 n\u0103m n\u00e0o v\u00e0o kho\u1ea3ng th\u1eddi gian n\u00e0y m\u00ecnh c\u0169ng n\u00f3i \u0111i\u1ec1u n\u00e0y lu\u00f4n www<\/p>\n<p>\u0110ang lao th\u1eb3ng v\u00e0o t\u00ecnh tr\u1ea1ng \u201ct\u00e1c h\u1ea1i c\u1ee7a ng\u01b0\u1eddi gi\u00e0\u201d \u0111\u00e2y\u2026 w<\/p>\n<hr \/>\n<p>Th\u00f4i, quay l\u1ea1i ch\u1ee7 \u0111\u1ec1 ch\u00ednh<\/p>\n<p>L\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd n\u00f3i v\u1ec1 \u201chi\u1ec7u \u1ee9ng ghim\u201d trong c\u00f4ng vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p.<\/p>\n<p>C\u0169ng c\u00f3 ng\u01b0\u1eddi g\u1ecdi \u0111\u00f3 l\u00e0 \u201chi\u1ec7u \u1ee9ng Negushi\u201d \u0111\u1ea5y.<\/p>\n<p>D\u00f9ng c\u1ed1t th\u00e9p \u0111\u00e2m xuy\u00ean qua kh\u1ed1i \u0111\u1ea5t \u0111ang c\u00f3 d\u1ea5u hi\u1ec7u d\u1ecbch chuy\u1ec3n nh\u01b0 m\u1ed9t c\u00e2y xi\u00ean, r\u1ed3i c\u1ed1 \u0111\u1ecbnh n\u00f3 v\u00e0o l\u1edbp \u0111\u1ea5t n\u1ec1n ph\u00eda sau kh\u00f4ng b\u1ecb d\u1ecbch chuy\u1ec3n.<\/p>\n<p>H\u00ecnh \u1ea3nh tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0y.<\/p>\n<p>M\u1eb7c d\u00f9 \u0111\u00e2y l\u00e0 thu\u1eadt ng\u1eef th\u01b0\u1eddng nghe th\u1ea5y, nh\u01b0ng khi \u0111\u01b0\u1ee3c h\u1ecfi \u201cN\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd nh\u01b0 th\u1ebf n\u00e0o trong thi\u1ebft k\u1ebf?\u201d, l\u1ea1i c\u00f3 r\u1ea5t \u00edt ng\u01b0\u1eddi c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c.<\/p>\n<p>H\u01a1n n\u1eefa, trong ph\u1ea1m vi t\u00ecm hi\u1ec3u c\u1ee7a t\u00f4i, t\u00f4i kh\u00f4ng t\u00ecm th\u1ea5y t\u00e0i li\u1ec7u n\u00e0o gi\u1ea3i th\u00edch ch\u00ednh x\u00e1c thu\u1eadt ng\u1eef \u201chi\u1ec7u \u1ee9ng Pining\u201d, c\u1ea3 trong c\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o l\u1eabn tr\u00ean m\u1ea1ng.<\/p>\n<p>Tuy nhi\u00ean, khi g\u00f5 \u201chi\u1ec7u \u1ee9ng Negushi\u201d th\u00ec k\u1ebft qu\u1ea3 hi\u1ec7n ra l\u1ea1i l\u00e0 \u201chi\u1ec7u \u1ee9ng pinning\u201d.<\/p>\n<p>T\u1ea1i Google,<\/p>\n<p><strong>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p gia c\u1ed1 \u1ed5n \u0111\u1ecbnh s\u01b0\u1eddn d\u1ed1c nh\u01b0 \u201cph\u01b0\u01a1ng ph\u00e1p c\u1eafm c\u1ecdc th\u00e9p (ph\u01b0\u01a1ng ph\u00e1p bu-l\u00f4ng \u0111\u00e1)\u201d hay \u201cc\u1ecdc\u201d \u0111\u01b0\u1ee3c \u0111\u00f3ng xu\u1ed1ng n\u1ec1n \u0111\u1ea5t \u0111\u1ec1u ch\u1ec9 l\u1ef1c gi\u00fap c\u1ed1 \u0111\u1ecbnh c\u00e1c kh\u1ed1i \u0111\u1ea5t c\u00f3 nguy c\u01a1 tr\u01b0\u1ee3t b\u1eb1ng c\u00e1ch \u201cghim\u201d ch\u00fang v\u00e0o n\u1ec1n \u0111\u1ea5t v\u1eefng ch\u1eafc theo \u0111\u00fang ngh\u0129a \u0111en. \u201cHi\u1ec7u \u1ee9ng c\u1eafm r\u1ec5\u201d do r\u1ec5 c\u00e2y t\u1ea1o ra, v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc, c\u0169ng l\u00e0 m\u1ed9t d\u1ea1ng c\u1ee7a hi\u1ec7u \u1ee9ng ghim n\u00e0y.<\/strong><\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, d\u1ef1a tr\u00ean nh\u1eefng n\u1ed9i dung \u0111\u01b0\u1ee3c n\u00eau trong \u201cPh\u01b0\u01a1ng ph\u00e1p gia c\u1ed1 n\u1ec1n \u0111\u1ea5t\u201d v\u00e0 \u201cH\u01b0\u1edbng d\u1eabn c\u00f4ng t\u00e1c \u1ed5n \u0111\u1ecbnh m\u00e1i d\u1ed1c\u201d, t\u00f4i s\u1ebd c\u1ed1 g\u1eafng gi\u1ea3i th\u00edch b\u1eb1ng ng\u00f4n ng\u1eef \u0111\u01a1n gi\u1ea3n nh\u1ea5t c\u00f3 th\u1ec3 v\u1ec1 c\u00e1ch hi\u1ec7u \u1ee9ng ghim \u0111\u01b0\u1ee3c x\u1eed l\u00fd trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf.<\/p>\n<hr \/>\n<h2>Hi\u1ec7u \u1ee9ng ghim (hi\u1ec7u \u1ee9ng neo) trong c\u00f4ng vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p l\u00e0 g\u00ec? | Nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n d\u1ec5 hi\u1ec3u qua h\u00ecnh \u1ea3nh<\/h2>\n<p>Tr\u01b0\u1edbc ti\u00ean, h\u00e3y ghi nh\u1edb ch\u1ec9 hai t\u1eeb n\u00e0y th\u00f4i.<\/p>\n<ul>\n<li><strong>Kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n<\/strong>: Kh\u1ed1i \u0111\u1ea5t \u0111\u01b0\u1ee3c coi l\u00e0 s\u1ebd s\u1ee5p \u0111\u1ed5 v\u00e0 tr\u01b0\u1ee3t ra ngo\u00e0i s\u01b0\u1eddn d\u1ed1c<\/li>\n<li><strong>Kh\u1ed1i \u0111\u1ea5t b\u1ea5t \u0111\u1ed9ng<\/strong>: Ph\u1ea7n \u0111\u1ea5t n\u1ec1n n\u1eb1m s\u00e2u b\u00ean trong \u0111\u00f3, \u0111\u01b0\u1ee3c cho l\u00e0 kh\u00f4ng di chuy\u1ec3n<\/li>\n<\/ul>\n<p>Ranh gi\u1edbi gi\u1eefa hai \u0111i\u1ec1u n\u00e0y l\u00e0<strong>b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t<\/strong>\u0110\u00fang v\u1eady. (\u0110\u00e2y l\u00e0 quan \u0111i\u1ec3m ph\u1ed5 bi\u1ebfn hi\u1ec7n nay trong l\u0129nh v\u1ef1c gia c\u1ed1 \u0111\u1ea5t \u0111\u00e0o \u1edf Nh\u1eadt B\u1ea3n.)<\/p>\n<p>C\u00e1c thanh c\u1ed1t th\u00e9p c\u1ee7a c\u00f4ng tr\u00ecnh c\u1eafm c\u1ed1t th\u00e9p xuy\u00ean qua b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t n\u00e0y v\u00e0 c\u1eafm s\u00e2u t\u1eeb kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n sang kh\u1ed1i \u0111\u1ea5t c\u1ed1 \u0111\u1ecbnh.<\/p>\n<p>N\u1ebfu c\u1eafm que (c\u1ed1t th\u00e9p) v\u00e0o vi\u00ean b\u00e1nh mitarashi (kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n) v\u00e0 \u0111\u1ea9y \u0111\u1ea7u que v\u00e0o ph\u1ea7n n\u1ec1n \u0111\u1ea5t kh\u00f4ng di chuy\u1ec3n (kh\u1ed1i \u0111\u1ea5t c\u1ed1 \u0111\u1ecbnh), th\u00ec vi\u00ean b\u00e1nh s\u1ebd kh\u00f4ng l\u0103n xu\u1ed1ng d\u01b0\u1edbi.<\/p>\n<p>\u0110\u00e2y l\u00e0 h\u00ecnh \u1ea3nh minh h\u1ecda cho hi\u1ec7u \u1ee9ng Pining v\u00e0 hi\u1ec7u \u1ee9ng Negushi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67249\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/00268b0a591be775c9741fd2e4da1153.jpg\" alt=\"H\u00ecnh minh h\u1ecda vi\u1ec7c xi\u00ean thanh c\u1ed1t th\u00e9p qua c\u00e1c kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n v\u00e0 kh\u1ed1i \u0111\u1ea5t c\u1ed1 \u0111\u1ecbnh\" width=\"600\" height=\"338\" \/><\/p>\n<p>Ti\u1ebfp theo, khi \u0111\u1ea5t b\u1eaft \u0111\u1ea7u d\u1ecbch chuy\u1ec3n, l\u1ef1c n\u00e0o s\u1ebd t\u00e1c \u0111\u1ed9ng l\u00ean c\u1ed1t th\u00e9p?<\/p>\n<p>Trong cu\u1ed1n s\u00e1ch, n\u1ed9i dung \u0111\u01b0\u1ee3c chia th\u00e0nh 4 ph\u1ea7n sau \u0111\u00e2y.<\/p>\n<ul>\n<li><strong>K\u00e9o c\u0103ng<\/strong>: B\u1ecb k\u00e9o \u0111i, gi\u1ed1ng nh\u01b0 s\u1ee3i d\u00e2y trong tr\u00f2 k\u00e9o co<\/li>\n<li><strong>N\u00e9n<\/strong>: B\u1ecb \u0111\u1ea9y, gi\u1ed1ng nh\u01b0 thanh treo r\u00e8m<\/li>\n<li><strong>C\u1eaft<\/strong>: B\u1ecb d\u1ecbch chuy\u1ec3n sang m\u1ed9t b\u00ean, gi\u1ed1ng nh\u01b0 b\u1ecb c\u1eaft b\u1eb1ng k\u00e9o v\u1eady<\/li>\n<li><strong>U\u1ed1n cong<\/strong>: U\u1ed1n cong nh\u01b0 u\u1ed1n th\u01b0\u1edbc k\u1ebb<\/li>\n<\/ul>\n<p>L\u1ef1c n\u00e0o s\u1ebd \u0111\u00f3ng vai tr\u00f2 ch\u1ee7 \u0111\u1ea1o ph\u1ee5 thu\u1ed9c v\u00e0o g\u00f3c gi\u1eefa c\u1ed1t th\u00e9p v\u00e0 m\u1eb7t tr\u01b0\u1ee3t.<\/p>\n<p>Theo s\u00e1ch, c\u00e1c thanh c\u1ed1t th\u00e9p n\u1eb1m g\u1ea7n nh\u01b0 ngang ch\u1ee7 y\u1ebfu ch\u1ecbu l\u1ef1c k\u00e9o, c\u00e1c thanh c\u1ed1t th\u00e9p n\u1eb1m g\u1ea7n nh\u01b0 d\u1ecdc ch\u1ecbu l\u1ef1c n\u00e9n, c\u00f2n c\u00e1c thanh c\u1ed1t th\u00e9p c\u1eaft ngang g\u1ea7n nh\u01b0 vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t tr\u01b0\u1ee3t ch\u1ee7 y\u1ebfu ch\u1ecbu l\u1ef1c c\u1eaft v\u00e0 l\u1ef1c u\u1ed1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67250\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/8d06bc483e19a87dbdb8b170fcbc6b05.jpg\" alt=\"\u00c1p l\u1ef1c ch\u00ednh t\u00e1c \u0111\u1ed9ng l\u00ean c\u1ed1t th\u00e9p thay \u0111\u1ed5i t\u00f9y theo g\u00f3c nghi\u00eang\" width=\"600\" height=\"338\" \/><\/p>\n<p>Vi\u1ec7c xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng c\u1eaft hay u\u1ed1n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u1ec1n \u0111\u1ea5t.<\/p>\n<p>Tr\u00ean n\u1ec1n \u0111\u1ea5t c\u1ee9ng nh\u01b0 \u0111\u00e1, ch\u1ec9 ri\u00eang t\u1ea1i m\u1eb7t tr\u01b0\u1ee3t, c\u00e1c thanh c\u1ed1t th\u00e9p s\u1ebd b\u1ecb l\u1ec7ch h\u1eb3n sang m\u1ed9t b\u00ean (c\u1eaft ngang).<\/p>\n<p>Trong \u0111\u1ea5t \u0111\u00e1 l\u1ecfng l\u1ebbo, to\u00e0n b\u1ed9 c\u1ed1t th\u00e9p s\u1ebd u\u1ed1n cong m\u1ed9t c\u00e1ch d\u1ebbo dai (u\u1ed1n cong).<\/p>\n<p>Cu\u1ed1n s\u00e1ch n\u00e0y cho r\u1eb1ng c\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh \u0111\u01b0\u1ee3c t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u1eaft v\u00e0 l\u1ef1c u\u1ed1n d\u1ef1a tr\u00ean h\u00ecnh th\u1ee9c bi\u1ebfn d\u1ea1ng c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u gia c\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c thu th\u1eadp th\u1ef1c t\u1ebf.<\/p>\n<p>Hi\u1ec7u \u1ee9ng Pining, hi\u1ec7u \u1ee9ng Nezuki l\u00e0, \u0111i\u1ec1u n\u00e0y<strong>C\u1eaft v\u00e0 u\u1ed1n<\/strong>T\u00f4i ngh\u0129 c\u00f3 th\u1ec3 hi\u1ec3u nh\u01b0 v\u1eady.<\/p>\n<p>\u0110\u00e2y ch\u1ec9 l\u00e0 c\u00e1ch hi\u1ec3u c\u1ee7a ri\u00eang t\u00f4i th\u00f4i w<\/p>\n<p>C\u00e2y xi\u00ean \u0111ang b\u1ecb \u00e9p t\u1eeb b\u00ean h\u00f4ng v\u00e0 \u0111ang c\u1ed1 g\u1eafng ch\u1ed1ng \u0111\u1ee1.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67248\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/0ea8941d0e39749c01f03062371cfe08.jpg\" alt=\"4 lo\u1ea1i l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean c\u1ed1t th\u00e9p (k\u00e9o, n\u00e9n, c\u1eaft, u\u1ed1n)\" width=\"600\" height=\"338\" \/><\/p>\n<hr \/>\n<h2>Trong thi\u1ebft k\u1ebf, ch\u1ec9 t\u00ednh to\u00e1n \u201cl\u1ef1c k\u00e9o\u201d | Hi\u1ec7u \u1ee9ng gi\u1eef ch\u1eb7t v\u00e0 hi\u1ec7u \u1ee9ng si\u1ebft ch\u1eb7t<\/h2>\n<p>Hi\u1ec7u qu\u1ea3 gia c\u1ed1 c\u1ea7n xem x\u00e9t trong thi\u1ebft k\u1ebf<strong>Ch\u1ec9 k\u00e9o<\/strong>T\u00f4i \u0111ang l\u00e0m nh\u01b0 v\u1eady.<\/p>\n<p>M\u1eb7c d\u00f9 tr\u00ean th\u1ef1c t\u1ebf c\u00f3 t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c c\u1eaft v\u00e0 l\u1ef1c u\u1ed1n, nh\u01b0ng ch\u00fang l\u1ea1i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o t\u00ednh to\u00e1n thi\u1ebft k\u1ebf.<\/p>\n<p>L\u00fd do \u0111\u01b0\u1ee3c n\u00eau trong cu\u1ed1n s\u00e1ch nh\u01b0 sau.<\/p>\n<ul>\n<li>V\u00ec t\u00f4i mu\u1ed1n th\u1eadn tr\u1ecdng<\/li>\n<li>V\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng c\u1eaft v\u00e0 u\u1ed1n, do nghi\u00ean c\u1ee9u v\u1eabn ch\u01b0a \u0111\u1ea7y \u0111\u1ee7 n\u00ean (s\u1ebd \u00e1p d\u1ee5ng sau khi c\u00f3 nh\u1eefng ti\u1ebfn b\u1ed9 m\u1edbi trong nghi\u00ean c\u1ee9u)<\/li>\n<li>V\u00ec hi\u1ec7u qu\u1ea3 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, n\u00ean kh\u00f4ng th\u1ec3 \u0111\u01a1n gi\u1ea3n c\u1ed9ng ch\u00fang l\u1ea1i \u0111\u01b0\u1ee3c<\/li>\n<\/ul>\n<p>\u0110i\u1ec3m th\u1ee9 ba l\u00e0 quan tr\u1ecdng nh\u1ea5t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi n\u1ec1n \u0111\u1ea5t c\u1ee9ng, l\u1ef1c c\u1eaft s\u1ebd b\u1eaft \u0111\u1ea7u ph\u00e1t huy t\u00e1c d\u1ee5ng ngay khi \u0111\u1ea5t b\u1eaft \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed9ng.<\/p>\n<p>Tuy nhi\u00ean, n\u1ebfu n\u1ec1n \u0111\u1ea5t m\u1ec1m, th\u00ec l\u1ef1c u\u1ed1n ph\u1ea3i di chuy\u1ec3n m\u1ed9t qu\u00e3ng kh\u00e1 xa m\u1edbi b\u1eaft \u0111\u1ea7u ph\u00e1t huy t\u00e1c d\u1ee5ng t\u1eeb t\u1eeb.<\/p>\n<p>H\u01a1n n\u1eefa, \u0111\u1ec3 l\u1ef1c u\u1ed1n ph\u00e1t huy t\u00e1c d\u1ee5ng, n\u1ec1n \u0111\u1ea5t ph\u00eda tr\u01b0\u1edbc \u2014 n\u01a1i ch\u1ecbu l\u1ef1c \u00e9p t\u1eeb c\u1ed1t th\u00e9p \u2014 c\u1ea7n ph\u1ea3i bi\u1ebfn d\u1ea1ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 ch\u1ed1ng \u0111\u1ee1 \u0111\u01b0\u1ee3c.<\/p>\n<p>Trong cu\u1ed1n s\u00e1ch th\u1eadm ch\u00ed c\u00f2n vi\u1ebft r\u1eb1ng vi\u1ec7c k\u1ef3 v\u1ecdng v\u00e0o hi\u1ec7u \u1ee9ng u\u1ed1n cong \u1edf nh\u1eefng n\u01a1i kh\u00f4ng cho ph\u00e9p bi\u1ebfn d\u1ea1ng l\u00e0 r\u1ea5t nguy hi\u1ec3m.<\/p>\n<p>Trong m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00f4ng ngh\u1ec7 c\u1eafm c\u1ed1t th\u00e9p do c\u00e1c c\u01a1 quan ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng c\u00f4ng b\u1ed1, m\u1eb7c d\u00f9 c\u00f3 \u0111\u1ec1 c\u1eadp r\u1eb1ng c\u00e1c l\u1ef1c k\u00e9o, c\u1eaft v\u00e0 u\u1ed1n \u0111\u01b0\u1ee3c cho l\u00e0 t\u00e1c \u0111\u1ed9ng k\u1ebft h\u1ee3p v\u1edbi nhau, nh\u01b0ng v\u1ec1 nguy\u00ean t\u1eafc, vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u1ec9 d\u1ef1a tr\u00ean l\u1ef1c k\u00e9o. (C\u00f3 l\u1ebd c\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o ch\u1ee7 y\u1ebfu l\u00e0 c\u1ee7a Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt \u0110\u1ecba k\u1ef9 thu\u1eadt?)<\/p>\n<p>Trong c\u00f9ng cu\u1ed1n h\u01b0\u1edbng d\u1eabn n\u00e0y c\u0169ng c\u00f3 ghi r\u00f5 r\u1eb1ng \u0111\u1ed1i v\u1edbi n\u1ec1n \u0111\u00e1, c\u1ea7n ti\u1ebfn h\u00e0nh ki\u1ec3m tra c\u1ea3 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu c\u1eaft.<\/p>\n<p>V\u1eady, khi n\u00f3i \u0111\u1ebfn \u201cl\u1ef1c k\u00e9o\u201d \u0111\u00f3, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf \u0111ang ch\u00fa \u00fd \u0111\u1ebfn \u0111i\u1ec1u g\u00ec?<\/p>\n<p>\u0110i\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u1edf \u0111\u00e2y l\u00e0,<strong>Hi\u1ec7u \u1ee9ng gi\u1eef ch\u00e2n<\/strong>\u3068<strong>Hi\u1ec7u qu\u1ea3 th\u1eaft ch\u1eb7t<\/strong>\u0110\u00f3 l\u00e0.<\/p>\n<ul>\n<li><strong>Hi\u1ec7u \u1ee9ng gi\u1eef ch\u00e2n<\/strong>: L\u1ef1c t\u00e1c \u0111\u1ed9ng ng\u01b0\u1ee3c l\u1ea1i ho\u00e0n to\u00e0n v\u1edbi h\u01b0\u1edbng m\u00e0 v\u1eadt \u0111ang c\u00f3 nguy c\u01a1 tr\u01b0\u1ee3t xu\u1ed1ng<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 th\u1eaft ch\u1eb7t<\/strong>: L\u1ef1c \u00e9p l\u00ean b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t nh\u1eb1m t\u0103ng ma s\u00e1t gi\u1eefa c\u00e1c h\u1ea1t \u0111\u1ea5t<\/li>\n<\/ul>\n<p>N\u1ebfu vi\u1ebft th\u00e0nh c\u00f4ng th\u1ee9c th\u00ec nh\u01b0 sau:<\/p>\n<p>L\u1ef1c gi\u1eef = T \u00d7 cos \u03b2<\/p>\n<p>L\u1ef1c k\u1eb9p = T \u00d7 sin \u03b2 \u00d7 tan \u03c6<\/p>\n<p>T l\u00e0 l\u1ef1c k\u00e9o c\u1ee7a c\u1ed1t th\u00e9p, \u03b2 l\u00e0 g\u00f3c gi\u1eefa c\u1ed1t th\u00e9p v\u00e0 m\u1eb7t tr\u01b0\u1ee3t, \u03c6 l\u00e0 g\u00f3c ma s\u00e1t n\u1ed9i t\u1ea1i c\u1ee7a \u0111\u1ea5t.<\/p>\n<p>Hi\u1ec7n t\u1ea1i, ch\u1ec9 c\u1ea7n ghi nh\u1edb r\u1eb1ng \u201ccos c\u00f3 t\u00e1c d\u1ee5ng gi\u1eef l\u1ea1i, c\u00f2n sin \u00d7 tan c\u00f3 t\u00e1c d\u1ee5ng si\u1ebft ch\u1eb7t\u201d l\u00e0 khi xem b\u1ea3n t\u00ednh to\u00e1n thi\u1ebft k\u1ebf, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 g\u1eadt g\u00f9 hi\u1ec3u \u0111\u01b0\u1ee3c.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67251\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/fb83aece8086c59b2eb211825750a627.jpg\" alt=\"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hi\u1ec7u \u1ee9ng gi\u1eef l\u1ea1i v\u00e0 hi\u1ec7u \u1ee9ng si\u1ebft ch\u1eb7t\" width=\"600\" height=\"338\" \/><\/p>\n<p>Nh\u00e2n ti\u1ec7n, ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng c\u1eafm c\u1ed1t th\u00e9p kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p m\u00e0 nguy\u00ean l\u00fd \u0111\u00e3 r\u00f5 r\u00e0ng ngay t\u1eeb \u0111\u1ea7u.<\/p>\n<p>Theo b\u00e1o c\u00e1o k\u1ef9 thu\u1eadt c\u1ee7a m\u1ed9t c\u00f4ng ty t\u01b0 v\u1ea5n \u0111\u1ecba ch\u1ea5t t\u01b0 nh\u00e2n (n\u0103m 1999), tr\u01b0\u1edbc nh\u1eefng n\u0103m 1980, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201csashiki\u201d v\u00e0 d\u01b0\u1eddng nh\u01b0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00ec l\u00fd do d\u00f9 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng ch\u01b0a \u0111\u01b0\u1ee3c l\u00e0m r\u00f5 nh\u01b0ng ch\u1eafc ch\u1eafn c\u00f3 t\u00e1c d\u1ee5ng ng\u0103n ch\u1eb7n s\u1ea1t l\u1edf.<\/p>\n<p>Sau \u0111\u00f3, c\u00f9ng v\u1edbi s\u1ef1 ti\u1ebfn tri\u1ec3n c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m v\u00e0 nghi\u00ean c\u1ee9u, ng\u01b0\u1eddi ta cho r\u1eb1ng \u0111\u00e3 h\u00ecnh th\u00e0nh ti\u00eau chu\u1ea9n \u201c1 c\u00e2y tr\u00ean 2m\u00b2\u201d. (Theo b\u00e1o c\u00e1o \u0111\u00f3)<\/p>\n<p>Nguy\u00ean t\u1eafc \u201c1 c\u1ecdc tr\u00ean 2 m\u00b2\u201d c\u0169ng \u0111\u01b0\u1ee3c n\u00eau trong h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean kinh nghi\u1ec7m v\u1ec1 c\u00f4ng tr\u00ecnh \u1ed5n \u0111\u1ecbnh m\u00e1i d\u1ed1c.<\/p>\n<p>Tuy nhi\u00ean, ph\u01b0\u01a1ng ph\u00e1p thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean kinh nghi\u1ec7m n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng cho c\u00e1c v\u1ee5 s\u1ea1t l\u1edf n\u00f4ng, c\u00f3 \u0111\u1ed9 s\u00e2u kho\u1ea3ng 2m.<\/p>\n<p>V\u00e0 m\u1eb7c d\u00f9 quy t\u1eafc \u201c1 c\u00e2y tr\u00ean 2m\u00b2\u201d \u0111\u01b0\u1ee3c coi nh\u01b0 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c th\u00ed nghi\u1ec7m hay nghi\u00ean c\u1ee9u, nh\u01b0ng ch\u00ednh ng\u01b0\u1eddi \u0111\u01b0a ra quy t\u1eafc n\u00e0y \u0111\u00e3 th\u1eeba nh\u1eadn r\u1eb1ng \u0111\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t con s\u1ed1 t\u00f9y ti\u1ec7n, n\u00ean th\u1ef1c ra n\u00f3 ch\u1ec9 l\u00e0 t\u00f9y ti\u1ec7n m\u00e0 th\u00f4i.<\/p>\n<p>Tuy nhi\u00ean, \u0111\u00e2y ch\u00ednh x\u00e1c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ef1a tr\u00ean kinh nghi\u1ec7m m\u00e0 ng\u01b0\u1eddi ta th\u01b0\u1eddng n\u00f3i \u201cch\u1ec9 v\u00ec th\u1ebf m\u00e0 n\u00f3 kh\u00f4ng c\u00f2n tr\u01a1n n\u1eefa\u201d \u0111\u1ea5y, haha.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>V\u00ec \u0111\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng b\u1eaft ngu\u1ed3n t\u1eeb quan ni\u1ec7m \u201ckh\u00f4ng hi\u1ec3u nguy\u00ean l\u00fd nh\u01b0ng v\u1eabn c\u00f3 hi\u1ec7u qu\u1ea3\u201d, n\u00ean \u0111\u1ebfn nay v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i nh\u1eefng l\u1ef1c ch\u01b0a \u0111\u01b0\u1ee3c t\u00ednh \u0111\u1ebfn. \u0110\u00f3 c\u00f3 ph\u1ea3i l\u00e0 hi\u1ec7u \u1ee9ng pinning kh\u00f4ng?<\/strong>\u3002<\/p>\n<p>Trong c\u00f9ng b\u1ea3n b\u00e1o c\u00e1o \u0111\u00f3 c\u0169ng c\u00f3 ghi r\u1eb1ng, mi\u1ec5n l\u00e0 h\u00ecnh d\u1ea1ng tr\u01b0\u1ee3t \u0111\u01b0\u1ee3c d\u1ef1 \u0111o\u00e1n l\u00e0 ch\u00ednh x\u00e1c, th\u00ec ch\u01b0a t\u1eebng c\u00f3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o c\u00e1c c\u00f4ng tr\u00ecnh ph\u00f2ng ng\u1eeba \u0111\u00e3 thi c\u00f4ng b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n<p>M\u1eb7t kh\u00e1c, trong t\u00e0i li\u1ec7u c\u0169ng \u0111\u1ec1 c\u1eadp r\u1eb1ng c\u00f3 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p s\u1ea1t l\u1edf x\u1ea3y ra do \u0111\u00e1nh gi\u00e1 sai h\u00ecnh d\u1ea1ng c\u1ee7a m\u1eb7t tr\u01b0\u1ee3t ho\u1eb7c c\u00e1ch th\u1ee9c s\u1ee5p \u0111\u1ed5.<\/p>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, ph\u1ea7n kh\u00f4ng \u0111\u01b0\u1ee3c t\u00ednh v\u00e0o ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u201cb\u1ea3o hi\u1ec3m b\u1ed5 sung\u201d m\u00e0 th\u00f4i.<\/p>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, \u0111\u00f3 c\u0169ng l\u00e0 m\u1ed9t ki\u1ec3u thi\u1ebft k\u1ebf qu\u00e1 m\u1ee9c, nh\u01b0ng nh\u1edd v\u1eady m\u00e0 c\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p ch\u00fang ta \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ee9u nguy \u0111\u1ea5y (phong c\u00e1ch thi\u1ebft k\u1ebf c\u1ee7a Nh\u1eadt B\u1ea3n: \u201cb\u1ea3o hi\u1ec3m ch\u1ed3ng b\u1ea3o hi\u1ec3m\u201d)<\/p>\n<hr \/>\n<h2>L\u1ef1c k\u00e9o cho ph\u00e9p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n v\u00e0 kh\u1ed1i \u0111\u1ea5t c\u1ed1 \u0111\u1ecbnh | T1pa v\u00e0 T2pa l\u00e0 g\u00ec?<\/h2>\n<p>V\u1eady, kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o c\u1ee7a m\u1ed9t thanh c\u1ed1t th\u00e9p ph\u1ee5 thu\u1ed9c v\u00e0o y\u1ebfu t\u1ed1 n\u00e0o?<\/p>\n<p>C\u1ed1t th\u00e9p c\u1eafm v\u00e0o hai l\u1edbp \u0111\u1ea5t, v\u01b0\u1ee3t qua m\u1eb7t tr\u01b0\u1ee3t. (\u0110\u00e2y ch\u1ec9 l\u00e0 gi\u1ea3 \u0111\u1ecbnh)<\/p>\n<p>V\u00ec v\u1eady, c\u00f3 hai ki\u1ec3u h\u1ecfng h\u00f3c.<\/p>\n<ul>\n<li><strong>R\u00fat ra<\/strong>: C\u1ed1t th\u00e9p b\u1ecb tu\u1ed9t ra kh\u1ecfi kh\u1ed1i \u0111\u1ea5t c\u1ed1 \u0111\u1ecbnh v\u00e0 s\u1ee5p \u0111\u1ed5 c\u00f9ng v\u1edbi kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n<\/li>\n<li><strong>Kho\u1ea3ng tr\u1ed1ng \u1edf gi\u1eefa<\/strong>: M\u1eb7c d\u00f9 c\u1ed1t th\u00e9p v\u1eabn c\u00f2n nguy\u00ean v\u1eb9n, nh\u01b0ng \u0111\u1ea5t v\u1eabn l\u1ecdt qua khe h\u1edf gi\u1eefa c\u00e1c thanh c\u1ed1t th\u00e9p v\u00e0 khi\u1ebfn c\u00f4ng tr\u00ecnh s\u1ee5p \u0111\u1ed5<\/li>\n<\/ul>\n<p>Ngay c\u1ea3 trong c\u00e1c h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt v\u1ec1 bi\u1ec7n ph\u00e1p x\u1eed l\u00fd s\u01b0\u1eddn d\u1ed1c, vi\u1ec7c thi\u1ebft k\u1ebf c\u0169ng \u0111\u00e3 t\u00ednh \u0111\u1ebfn hai h\u00ecnh th\u1ee9c h\u01b0 h\u1ecfng n\u00e0y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67252\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/5dbccdcf3a1813be0f4e9ef8f66e4ae1.jpg\" alt=\"\u201cR\u00fat lui\u201d v\u00e0 \u201cb\u1ecf gi\u1eefa ch\u1eebng\u201d\" width=\"600\" height=\"338\" \/><\/p>\n<p>\u0110\u1ec3 \u0111\u1ec1 ph\u00f2ng hai tr\u01b0\u1eddng h\u1ee3p h\u1ecfng h\u00f3c n\u00e0y, thi\u1ebft k\u1ebf s\u1ebd ki\u1ec3m tra ba gi\u00e1 tr\u1ecb sau \u0111\u00e2y.<\/p>\n<ul>\n<li><strong>T2pa<\/strong>: Kh\u00f3 th\u00e1o r\u1eddi ph\u1ea7n kh\u1ed1i \u0111\u1ea5t kh\u00f4ng di chuy\u1ec3n<\/li>\n<li><strong>T1pa<\/strong>: Kh\u00f3 b\u1ecb tu\u1ed9t ra \u1edf ph\u00eda kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n<\/li>\n<li><strong>Tsa<\/strong>: \u0110\u1ed9 b\u1ec1n c\u1ee7a ch\u00ednh thanh c\u1ed1t th\u00e9p<\/li>\n<\/ul>\n<p>T1pa v\u00e0 T2pa \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201ckh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o cho ph\u00e9p\u201d trong s\u00e1ch.<\/p>\n<p>\u0110\u00e2y l\u00e0 con s\u1ed1 cho bi\u1ebft \u201cd\u00f9 b\u1ecb k\u00e9o v\u1edbi l\u1ef1c l\u00ean \u0111\u1ebfn bao nhi\u00eau kN th\u00ec n\u00f3 c\u0169ng kh\u00f4ng b\u1ecb tu\u1ed9t ra\u201d.<\/p>\n<h3>T2pa l\u00e0 g\u00ec? | T\u00ednh \u201ckh\u00f3 bong tr\u00f3c\u201d c\u1ee7a kh\u1ed1i \u0111\u1ea5t kh\u00f4ng b\u1ecb x\u00f3i m\u00f2n<\/h3>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng c\u1ea3nh c\u1eafm c\u00e2y h\u00e0nh v\u00e0o ru\u1ed9ng r\u1ed3i nh\u1ed5 l\u00ean.<\/p>\n<p>C\u00e0ng c\u1eafm s\u00e2u th\u00ec c\u00e0ng kh\u00f3 r\u00fat ra, ph\u1ea3i kh\u00f4ng?<\/p>\n<p>\u0110\u1ea5t c\u00e0ng c\u1ee9ng th\u00ec th\u1ee9 n\u00e0y c\u00e0ng kh\u00f3 nh\u1ed5 ra.<\/p>\n<p>T2pa c\u0169ng d\u1ef1a tr\u00ean c\u00f9ng m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y.<\/p>\n<p>T2pa = L2 \u00d7 Tpa<\/p>\n<p>L2 l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a c\u1ed1t th\u00e9p n\u1eb1m trong kh\u1ed1i \u0111\u1ea5t kh\u00f4ng l\u00fan, Tpa l\u00e0 \u0111\u1ed9 kh\u00f3 r\u00fat ra tr\u00ean m\u1ed7i m\u00e9t c\u1ed1t th\u00e9p.<\/p>\n<p>Tpa \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb th\u1ea5p h\u01a1n trong hai gi\u00e1 tr\u1ecb sau \u0111\u00e2y.<\/p>\n<ul>\n<li>L\u1ef1c b\u00e1m d\u00ednh gi\u1eefa c\u1ed1t th\u00e9p v\u00e0 v\u1eefa (\u0111\u1ed9 b\u00e1m d\u00ednh)<\/li>\n<li>L\u1ef1c ma s\u00e1t gi\u1eefa v\u1eefa v\u00e0 n\u1ec1n \u0111\u1ea5t<\/li>\n<\/ul>\n<p>H\u00e3y xem x\u00e9t m\u1ed9t v\u00ed d\u1ee5.<\/p>\n<p>Gi\u1ea3 s\u1eed ch\u00fang ta s\u1ebd \u0111\u1ed5 c\u1ed1t th\u00e9p d\u00e0i 3m.<\/p>\n<p>N\u1ebfu thi\u1ebft k\u1ebf m\u1eb7t tr\u01b0\u1ee3t \u1edf \u0111\u1ed9 s\u00e2u 1,0m, th\u00ec chi\u1ec1u d\u00e0i c\u1ed1t th\u00e9p \u0111i v\u00e0o kh\u1ed1i \u0111\u1ea5t kh\u00f4ng b\u1ecb d\u1ecbch chuy\u1ec3n l\u00e0 2,0m.<\/p>\n<p>N\u1ebfu m\u1eb7t tr\u01b0\u1ee3t th\u1ef1c t\u1ebf c\u00f3 \u0111\u1ed9 s\u00e2u 1,5 m, th\u00ec chi\u1ec1u d\u00e0i c\u1ed1t th\u00e9p \u0111i v\u00e0o kh\u1ed1i \u0111\u1ea5t kh\u00f4ng tr\u01b0\u1ee3t s\u1ebd l\u00e0 1,5 m.<\/p>\n<p>N\u1ebfu \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t gi\u1ed1ng nhau, T2pa s\u1ebd gi\u1ea3m t\u1eeb 2,0 m xu\u1ed1ng c\u00f2n 1,5 m, t\u1ee9c l\u00e0 gi\u1ea3m 75%.<\/p>\n<p>Do thanh c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c c\u1eafm ch\u00e9o n\u00ean con s\u1ed1 th\u1ef1c t\u1ebf s\u1ebd kh\u00e1c m\u1ed9t ch\u00fat.<\/p>\n<p>Ch\u1ec9 c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c c\u00e1ch suy ngh\u0129 l\u00e0 \u0111\u01b0\u1ee3c.<\/p>\n<p>Trong c\u00f4ng th\u1ee9c \u0111\u01b0\u1ee3c n\u00eau trong s\u00e1ch, ch\u1ec9 c\u00f3 l\u1ef1c b\u00e1m d\u00ednh v\u00e0 l\u1ef1c ma s\u00e1t xung quanh thanh c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o t\u00ednh to\u00e1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67253\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/9daf6556dafdfa38809d5f16c6182ce5.jpg\" alt=\"Chi\u1ec1u d\u00e0i c\u1ee7a c\u1ed1t th\u00e9p \u0111i v\u00e0o kh\u1ed1i \u0111\u1ea5t kh\u00f4ng l\u00fan v\u00e0 \u0111\u1ed9 kh\u00f3 r\u00fat ra\" width=\"600\" height=\"338\" \/><\/p>\n<h3>T1pa l\u00e0 g\u00ec? | T\u00ednh \u201ckh\u00f3 tu\u1ed9t ra\u201d c\u1ee7a kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n<\/h3>\n<p>V\u1ec1 ph\u00eda kh\u1ed1i \u0111\u1ea5t b\u1ecb d\u1ecbch chuy\u1ec3n, do chi\u1ec1u d\u00e0i ph\u1ea7n c\u00f3 c\u1ed1t th\u00e9p ng\u1eafn n\u00ean n\u1ebfu ch\u1ec9 x\u00e9t ri\u00eang khu v\u1ef1c xung quanh c\u1ed1t th\u00e9p, \u0111\u1ed9 kh\u00f3 tr\u01b0\u1ee3t ra t\u1ea5t nhi\u00ean s\u1ebd th\u1ea5p h\u01a1n. (D\u1ec5 tr\u01b0\u1ee3t ra)<\/p>\n<p>Do \u0111\u00f3, ch\u00fang ta s\u1ebd t\u00ednh \u0111\u1ebfn l\u1ef1c (T0a) m\u00e0 t\u1ea5m \u0111\u1ebf v\u00e0 c\u00f4ng tr\u00ecnh gia c\u1ed1 m\u1eb7t d\u1ed1c t\u00e1c d\u1ee5ng l\u00ean \u0111\u1ec3 gi\u1eef \u0111\u1ea5t.<\/p>\n<p>M\u1eb7t d\u1ed1c c\u00e0ng c\u1ee9ng th\u00ec l\u1ef1c n\u00e9n n\u00e0y c\u00e0ng l\u1edbn.<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn n\u00e0y, d\u1ef1a tr\u00ean c\u00e1ch ti\u1ebfp c\u1eadn v\u1ec1 ti\u00eau chu\u1ea9n \u0111\u01b0\u1eddng cao t\u1ed1c, c\u00e1c con s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y (h\u1ec7 s\u1ed1 gi\u1ea3m \u0111\u1ed9 d\u1ed1c \u03bc) \u0111\u01b0\u1ee3c n\u00eau ra cho t\u1eebng lo\u1ea1i c\u00f4ng tr\u00ecnh gia c\u1ed1 taluy.<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u00e1c lo\u1ea1i c\u00f4ng tr\u00ecnh gia c\u1ed1 taluy<\/th>\n<th>M\u1ee9c tham kh\u1ea3o c\u1ee7a \u03bc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>K\u1ef9 s\u01b0 c\u1ea3nh quan<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td>Th\u1ee3 phun b\u00ea t\u00f4ng<\/td>\n<td>0,2\u20130,6<\/td>\n<\/tr>\n<tr>\n<td>Th\u1ee3 l\u00e0m khung d\u00e1n<\/td>\n<td>0,7\u20131,0<\/td>\n<\/tr>\n<tr>\n<td>C\u00f4ng tr\u00ecnh t\u01b0\u1eddng ch\u1eafn (lo\u1ea1i t\u1ea5m li\u00ean t\u1ee5c)<\/td>\n<td>1.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Con s\u1ed1 c\u00e0ng l\u1edbn th\u00ec c\u00e0ng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n r\u1eb1ng kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n s\u1ebd c\u00e0ng kh\u00f3 b\u1ecb tr\u00f4i \u0111i.<\/p>\n<p>Trong s\u00e1ch, khi s\u1eed d\u1ee5ng c\u00e1c b\u1ee9c t\u01b0\u1eddng c\u1ee9ng v\u00e0 li\u00ean t\u1ee5c nh\u01b0 t\u01b0\u1eddng ch\u1eafn, ph\u00eda c\u00f3 kh\u1ed1i \u0111\u1ea5t d\u1ecbch chuy\u1ec3n s\u1ebd \u0111\u01b0\u1ee3c coi l\u00e0 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t ra ngo\u00e0i.<\/p>\n<p>Trong H\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00f4ng t\u00e1c \u1ed5n \u0111\u1ecbnh m\u00e1i d\u1ed1c c\u0169ng n\u00eau r\u00f5 r\u1eb1ng n\u1ebfu s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 gia c\u1ed1 m\u00e1i d\u1ed1c c\u00f3 hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c cao h\u01a1n c\u00f4ng ngh\u1ec7 khung phun b\u00ea t\u00f4ng, th\u00ec c\u00f3 th\u1ec3 b\u1ecf qua vi\u1ec7c \u0111\u00e1nh gi\u00e1 ph\u00eda kh\u1ed1i \u0111\u1ea5t d\u1ecbch chuy\u1ec3n.<\/p>\n<p>Tuy nhi\u00ean, trong t\u00e0i li\u1ec7u c\u00f3 ghi r\u00f5 r\u1eb1ng ngay c\u1ea3 v\u1edbi c\u00f4ng tr\u00ecnh t\u1ea1m th\u1eddi c\u0169ng c\u1ea7n ph\u1ea3i t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 t\u00ednh \u1ed5n \u0111\u1ecbnh.<\/p>\n<h3>L\u1ef1c k\u00e9o cho ph\u00e9p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t trong ba gi\u00e1 tr\u1ecb \u0111\u00f3<\/h3>\n<p>L\u1ef1c k\u00e9o cho ph\u00e9p c\u1ee7a m\u1ed9t thanh c\u1ed1t th\u00e9p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t trong ba gi\u00e1 tr\u1ecb sau \u0111\u00e2y.<\/p>\n<ul>\n<li>\u0110\u1ed9 b\u1ec1n c\u1ee7a ch\u00ednh thanh c\u1ed1t th\u00e9p (Tsa)<\/li>\n<li>\u0110\u1ed9 kh\u00f3 tho\u00e1t ra c\u1ee7a kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n (T1pa + T0a)<\/li>\n<li>\u0110\u1ed9 kh\u00f3 th\u00e1o r\u1eddi c\u1ee7a kh\u1ed1i \u0111\u1ea5t kh\u00f4ng di chuy\u1ec3n (T2pa)<\/li>\n<\/ul>\n<p>Khi s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng tr\u00ecnh gia c\u1ed1 m\u1eb7t d\u1ed1c c\u1ee9ng nh\u01b0 khung phun b\u00ea t\u00f4ng ho\u1eb7c t\u01b0\u1eddng ch\u1eafn, gi\u00e1 tr\u1ecb n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi hai y\u1ebfu t\u1ed1, kh\u00f4ng t\u00ednh \u0111\u1ebfn ph\u00eda kh\u1ed1i \u0111\u1ea5t b\u1ecb d\u1ecbch chuy\u1ec3n.<\/p>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t s\u1ee3i d\u00e2y x\u00edch g\u1ed3m ba v\u00f2ng n\u1ed1i li\u1ec1n nhau.<\/p>\n<p>Khi k\u00e9o, s\u1ee3i d\u00e2y s\u1ebd \u0111\u1ee9t \u1edf ch\u1ed7 y\u1ebfu nh\u1ea5t, ph\u1ea3i kh\u00f4ng?<\/p>\n<p>\u0110\u1ed9 b\u1ec1n c\u1ee7a c\u1ea3 chu\u1ed7i ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 b\u1ec1n c\u1ee7a m\u1eaft x\u00edch y\u1ebfu nh\u1ea5t.<\/p>\n<p>C\u0169ng gi\u1ed1ng nh\u01b0 th\u1ebf n\u00e0y.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67254\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/d020ff41b817e8abf175e736e2629927.jpg\" alt=\"L\u1ef1c k\u00e9o cho ph\u00e9p \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi gi\u00e1 tr\u1ecb nh\u1ecf nh\u1ea5t trong ba gi\u00e1 tr\u1ecb \u0111\u00f3\" width=\"600\" height=\"338\" \/><\/p>\n<p>V\u00ec v\u1eady, ngay c\u1ea3 khi ch\u1ec9 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a m\u1ed9t trong ba y\u1ebfu t\u1ed1 \u0111\u00f3, n\u1ebfu c\u00e1c y\u1ebfu t\u1ed1 c\u00f2n l\u1ea1i y\u1ebfu th\u00ec l\u1ef1c k\u00e9o cho ph\u00e9p c\u0169ng s\u1ebd kh\u00f4ng t\u0103ng l\u00ean.<\/p>\n<p>V\u00ed d\u1ee5, n\u1ebfu thi\u1ebft k\u1ebf cho r\u1eb1ng l\u1ef1c k\u00e9o c\u1ee7a kh\u1ed1i \u0111\u1ea5t kh\u00f4ng di chuy\u1ec3n (T2pa) l\u00e0 nh\u1ecf nh\u1ea5t, th\u00ec d\u00f9 c\u00f3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a ch\u00ednh c\u1ed1t th\u00e9p (Tsa) \u0111i ch\u0103ng n\u1eefa, l\u1ef1c k\u00e9o cho ph\u00e9p c\u0169ng s\u1ebd kh\u00f4ng t\u0103ng l\u00ean.<\/p>\n<p>Tuy nhi\u00ean, T2pa kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 y\u1ebfu nh\u1ea5t.<\/p>\n<p>V\u00f2ng n\u00e0o y\u1ebfu nh\u1ea5t s\u1ebd kh\u00e1c nhau t\u00f9y theo t\u1eebng hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p>Khi xem b\u1ea3n thi\u1ebft k\u1ebf, n\u1ebfu bi\u1ebft \u0111\u01b0\u1ee3c trong ba y\u1ebfu t\u1ed1 n\u00e0y th\u00ec y\u1ebfu t\u1ed1 n\u00e0o l\u00e0 nh\u1ecf nh\u1ea5t, b\u1ea1n s\u1ebd c\u00f3 c\u1ea3m gi\u00e1c nh\u01b0 m\u00ecnh \u0111\u00e3 hi\u1ec3u \u0111\u01b0\u1ee3c m\u1ed9t ch\u00fat (w) (Ban \u0111\u1ea7u th\u00ec ch\u1ec9 c\u1ea7n th\u1ebf l\u00e0 \u0111\u1ee7 r\u1ed3i).<\/p>\n<hr \/>\n<h2>Ph\u1ea7n \u0111\u1ea7u v\u00e0 c\u00f4ng tr\u00ecnh gia c\u1ed1 m\u00e1i d\u1ed1c h\u1ed7 tr\u1ee3 hi\u1ec7u \u1ee9ng pinning | Vai tr\u00f2 c\u1ee7a t\u1ea5m ch\u1ecbu \u00e1p l\u1ef1c<\/h2>\n<p>\u0110\u1ec3 que xi\u00ean c\u00f3 th\u1ec3 ph\u00e1t huy t\u00e1c d\u1ee5ng nh\u01b0 m\u1ed9t chi\u1ebfc que xi\u00ean, c\u1ea7n ph\u1ea3i gi\u1eef ch\u1eb7t ph\u1ea7n \u0111\u1ea7u l\u1ea1i.<\/p>\n<p>Trong t\u00e0i li\u1ec7u tham kh\u1ea3o c\u1ee7a cu\u1ed1n s\u00e1ch c\u00f3 \u0111\u0103ng t\u1ea3i c\u00e1c th\u00ed nghi\u1ec7m m\u00f4 h\u00ecnh trong \u0111i\u1ec1u ki\u1ec7n c\u00e1c kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n l\u1ecfng l\u1ebbo.<\/p>\n<p>N\u1ebfu \u0111\u1ea7u thanh c\u1ed1t th\u00e9p kh\u00f4ng c\u00f3 t\u1ea5m ch\u1ed1ng \u00e9p, \u0111\u1ea7u thanh c\u1ed1t th\u00e9p s\u1ebd xoay v\u00e0 l\u00fan s\u00e2u v\u00e0o \u0111\u1ea5t.<\/p>\n<p>Khi c\u00f3 t\u1ea5m ch\u1ed1ng l\u1ef1c, c\u1ed1t th\u00e9p s\u1ebd u\u1ed1n cong \u0111\u1ed3ng th\u1eddi gi\u1eef v\u1eefng v\u1ecb tr\u00ed.<\/p>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, ch\u1ec9 khi \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh \u1edf \u0111\u1ea7u th\u00ec thanh c\u1ed1t th\u00e9p m\u1edbi c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 nh\u01b0 m\u1ed9t chi\u1ebfc xi\u00ean \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c t\u00e1c \u0111\u1ed9ng t\u1eeb b\u00ean h\u00f4ng.<\/p>\n<p>Ngay c\u1ea3 v\u1edbi d\u00e2y th\u00e9p hay l\u01b0\u1edbi th\u00e9p, ng\u01b0\u1eddi ta c\u0169ng cho r\u1eb1ng ch\u00fang c\u00f3 t\u00e1c d\u1ee5ng h\u1ea1n ch\u1ebf s\u1ef1 xoay chuy\u1ec3n c\u1ee7a \u0111\u1ea7u thanh c\u1ed1t th\u00e9p v\u00e0 gi\u1eef l\u1ea1i c\u00e1c kh\u1ed1i \u0111\u1ea5t (t\u00e1c d\u1ee5ng gi\u1eef \u0111\u1ea5t).<\/p>\n<p>M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn qua c\u00e1c th\u00ed nghi\u1ec7m, nh\u01b0ng d\u01b0\u1eddng nh\u01b0 v\u1eabn ch\u01b0a \u0111\u1ebfn m\u1ee9c c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 b\u1eb1ng con s\u1ed1.<\/p>\n<p>Tuy nhi\u00ean, c\u00e1 nh\u00e2n t\u00f4i th\u00ec ngh\u0129 r\u1eb1ng k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf c\u1ee7a t\u1ea5m ch\u1ecbu l\u1ef1c kho\u1ea3ng 30 cm \u00d7 30 cm l\u00e0 \u0111\u1ee7 r\u1ed3i (c\u01b0\u1eddi).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67255\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/09\/a0187380f42763e79061a1c7cfff2756.jpg\" alt=\"S\u1ef1 thay \u0111\u1ed5i trong chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a \u0111\u1ea7u thanh c\u1ed1t th\u00e9p t\u00f9y thu\u1ed9c v\u00e0o vi\u1ec7c c\u00f3 hay kh\u00f4ng c\u00f3 t\u1ea5m ch\u1ecbu l\u1ef1c\" width=\"600\" height=\"338\" \/><\/p>\n<p>Trong qu\u00e1 tr\u00ecnh thi c\u00f4ng ph\u1ea7n \u0111\u1ea7u c\u0169ng c\u00f3 nh\u1eefng quy \u0111\u1ecbnh nh\u1ea5t \u0111\u1ecbnh nh\u1eb1m ph\u00e1t huy hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p ghim.<\/p>\n<p>Trong h\u01b0\u1edbng d\u1eabn c\u00f3 ghi nh\u01b0 sau:<\/p>\n<ul>\n<li>\u0110ai \u1ed1c kh\u00f4ng ph\u1ea3i l\u00e0 b\u1ed9 ph\u1eadn d\u00f9ng \u0111\u1ec3 t\u1ea1o l\u1ef1c c\u0103ng nh\u01b0 neo \u0111\u1ea5t. Tuy nhi\u00ean, c\u1ea7n si\u1ebft ch\u1eb7t b\u1eb1ng tay cho \u0111\u1ebfn khi ch\u1eafc ch\u1eafn \u0111\u1ec3 tr\u00e1nh b\u1ecb l\u1ecfng.<\/li>\n<li>M\u1ee9c l\u1ef1c si\u1ebft khuy\u1ebfn ngh\u1ecb l\u00e0 kho\u1ea3ng 50% l\u1ef1c k\u00e9o thi\u1ebft k\u1ebf, \u0111o b\u1eb1ng c\u1edd-l\u00ea m\u00f4-men xo\u1eafn. (C\u00e1ch t\u00ednh n\u00e0y ch\u01b0a th\u1ef1c s\u1ef1 h\u1ee3p l\u00fd v\u00e0 \u0111\u00f4i khi m\u00f4-men xo\u1eafn c\u00f3 th\u1ec3 th\u1ea5p h\u01a1n m\u1ee9c c\u1ea7n thi\u1ebft)<\/li>\n<li>V\u1eefa xi m\u0103ng c\u00f3 \u0111\u1ed9 ch\u1ea3y cao v\u00e0 d\u1ec5 h\u00ecnh th\u00e0nh c\u00e1c kho\u1ea3ng tr\u1ed1ng \u1edf mi\u1ec7ng l\u1ed7, do \u0111\u00f3 c\u1ea7n d\u00f9ng v\u1eefa tr\u1ed9n \u0111\u1eb7c \u0111\u1ec3 l\u1ea5p \u0111\u1ea7y. N\u1ebfu \u0111\u1ec3 c\u00e1c kho\u1ea3ng tr\u1ed1ng n\u00e0y t\u1ed3n t\u1ea1i, n\u1ec1n \u0111\u1ea5t xung quanh mi\u1ec7ng l\u1ed7 c\u00f3 th\u1ec3 b\u1ecb l\u1ecfng l\u1ebbo ho\u1eb7c c\u1ed1t th\u00e9p c\u00f3 th\u1ec3 b\u1ecb r\u1ec9 s\u00e9t. (Vi\u1ec7c l\u1eafp \u1ed1ng b\u1ecdc s\u1ebd t\u1ea1o ra kho\u1ea3ng tr\u1ed1ng, do \u0111\u00f3 \u0111\u00e2y l\u00e0 r\u1ee7i ro thu\u1ed9c tr\u00e1ch nhi\u1ec7m c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t)<\/li>\n<\/ul>\n<hr \/>\n<h2>Nh\u1eefng ph\u1ea7n quan tr\u1ecdng m\u00e0 gi\u00e1m s\u00e1t c\u00f4ng tr\u01b0\u1eddng c\u1ea7n l\u01b0u \u00fd | C\u1ea7n xem x\u00e9t k\u1ebft h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf<\/h2>\n<p>\u0110\u1ed9 s\u00e2u c\u1ee7a b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t ch\u1ec9 l\u00e0 con s\u1ed1 \u01b0\u1edbc t\u00ednh d\u1ef1a tr\u00ean c\u00e1c cu\u1ed9c kh\u1ea3o s\u00e1t nh\u01b0 khoan th\u0103m d\u00f2 hay s\u1eed d\u1ee5ng m\u00e1y \u0111o bi\u1ebfn d\u1ea1ng \u1ed1ng, v\u1edbi nh\u1eadn \u0111\u1ecbnh \u201cc\u00f3 l\u1ebd l\u00e0 kho\u1ea3ng n\u00e0y\u201d (d\u00f9 \u0111\u00f4i khi c\u0169ng c\u00f3 tr\u01b0\u1eddng h\u1ee3p k\u1ebft qu\u1ea3 r\u1ea5t r\u00f5 r\u00e0ng w).<\/p>\n<p>Kh\u00f4ng ai bi\u1ebft v\u1ecb tr\u00ed th\u1ef1c s\u1ef1 c\u1ee7a n\u00f3 l\u00e0 \u1edf \u0111\u00e2u.<\/p>\n<p>Th\u1ef1c t\u1ebf, ngay c\u1ea3 khi \u0111ang khoan v\u00e0o l\u1edbp \u0111\u1ea5t b\u1ec1 m\u1eb7t m\u1ecfng, ng\u01b0\u1eddi ta h\u1ea7u nh\u01b0 kh\u00f4ng th\u1ec3 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i v\u1ec1 t\u00ednh ch\u1ea5t c\u1ee7a \u0111\u1ea5t qua c\u1ea3m gi\u00e1c khi khoan.<\/p>\n<p>V\u00ec v\u1eady, \u0111\u00e2y ch\u00ednh l\u00e0 ph\u1ea7n quan tr\u1ecdng nh\u1ea5t trong qu\u00e1 tr\u00ecnh thi c\u00f4ng t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n<ul>\n<li>Khoan l\u1ed7 theo v\u1ecb tr\u00ed, g\u00f3c \u0111\u1ed9 v\u00e0 chi\u1ec1u d\u00e0i \u0111\u00e3 thi\u1ebft k\u1ebf<\/li>\n<li>Phun v\u1eefa v\u00e0o t\u1eeb \u0111\u00e1y m\u1ed9t c\u00e1ch ch\u1eafc ch\u1eafn v\u1edbi t\u1ef7 l\u1ec7 pha tr\u1ed9n ch\u00ednh x\u00e1c<\/li>\n<li>Th\u1ef1c hi\u1ec7n x\u1eed l\u00fd ph\u1ea7n \u0111\u1ea7u m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/li>\n<\/ul>\n<p>Th\u1ef1c ra, ba y\u1ebfu t\u1ed1 n\u00e0y ch\u00ednh l\u00e0 nh\u1eefng n\u1ed9i dung \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ec1 c\u1eadp tr\u1ef1c ti\u1ebfp trong ph\u1ea7n n\u00f3i v\u1ec1 T2pa v\u00e0 T1pa v\u1eeba r\u1ed3i.<\/p>\n<p>Chi\u1ec1u d\u00e0i l\u1ed7 khoan l\u00e0 \u201cL2\u201d c\u1ee7a T2pa.<\/p>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng vi\u1ec7c b\u01a1m s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ec9 s\u1ed1 \u201cTpa\u201d \u2013 m\u1ee9c \u0111\u1ed9 kh\u00f3 b\u1ecb r\u00f2 r\u1ec9 tr\u00ean m\u1ed7i m\u00e9t c\u1ed1t th\u00e9p.<\/p>\n<p>Ph\u1ea7n \u0111\u1ea7u bao g\u1ed3m \u201cT0a\u201d \u1edf ph\u00eda kh\u1ed1i \u0111\u1ea5t di chuy\u1ec3n v\u00e0 ph\u1ea7n n\u1ec1n t\u1ea1o ra hi\u1ec7u \u1ee9ng ghim.<\/p>\n<p>Khi li\u00ean h\u1ec7 \u0111i\u1ec1u n\u00e0y v\u1edbi c\u00f4ng t\u00e1c thi\u1ebft k\u1ebf, vi\u1ec7c gi\u1ea3i th\u00edch cho c\u00e1c \u0111\u1ea1o di\u1ec5n tr\u1ebb c\u00e2u h\u1ecfi \u201cT\u1ea1i sao l\u1ea1i ch\u00fa \u00fd \u0111\u1ebfn \u0111i\u1ec3m n\u00e0y?\u201d s\u1ebd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-48314\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/01\/2023-01-18-10.49.14.jpg\" alt=\"C\u1edd-l\u00ea m\u00f4-men xo\u1eafn\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/01\/2023-01-18-10.49.14.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/01\/2023-01-18-10.49.14-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Kh\u00f4ng th\u1ec3 nh\u1eadn bi\u1ebft b\u1eb1ng m\u1eaft th\u01b0\u1eddng m\u1ee9c \u0111\u1ed9 kh\u00f3 tu\u1ed9t ra c\u1ee7a t\u1eebng thanh c\u1ed1t th\u00e9p \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u00f3ng v\u00e0o.<\/p>\n<p>Do \u0111\u00f3, s\u1ebd c\u00f3 cu\u1ed9c ki\u1ec3m tra nghi\u1ec7m thu s\u1ea3n ph\u1ea9m r\u00fat ra.<\/p>\n<p>Theo h\u01b0\u1edbng d\u1eabn, c\u1ea7n ch\u1ecdn ng\u1eabu nhi\u00ean 3% t\u1ed5ng s\u1ed1 thanh, v\u1edbi s\u1ed1 l\u01b0\u1ee3ng t\u1ed1i thi\u1ec3u l\u00e0 3 thanh, \u0111\u1ec3 th\u1eed t\u1ea3i \u0111\u1ebfn m\u1ee9c l\u1ef1c k\u00e9o thi\u1ebft k\u1ebf v\u00e0 ti\u1ebfn h\u00e0nh ki\u1ec3m tra.<\/p>\n<p>C\u00f3 ng\u01b0\u1eddi n\u00f3i th\u1ebf, nh\u01b0ng n\u00f3i th\u1eadt th\u00ec c\u00e1i n\u00e0y c\u0169ng tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng th\u1ec3 th\u00e1o ra \u0111\u01b0\u1ee3c, v\u00e0 c\u1ed1t th\u00e9p th\u00ec c\u0169ng kh\u00f4ng th\u1ec3 k\u00e9o d\u00e0i ra \u0111\u01b0\u1ee3c \u0111\u00e2u (c\u01b0\u1eddi)<\/p>\n<p>\u0110i\u1ec1u \u0111ang gi\u00e3n ra ch\u00ednh l\u00e0 s\u1ef1 l\u1ecfng l\u1ebbo c\u1ee7a b\u1ed9 n\u1ed1i (haha) (Tr\u01b0\u1edbc \u0111\u00e2y kh\u00f4ng c\u00f3 vi\u1ec7c ki\u1ec3m tra n\u00e0y...)<\/p>\n<hr \/>\n<p>D\u00f9 \u0111\u00e3 vi\u1ebft d\u00e0i d\u00f2ng v\u1ec1 nh\u1eefng \u0111i\u1ec1u kh\u00e1 ph\u1ee9c t\u1ea1p, nh\u01b0ng t\u00f4i \u0111\u00e3 c\u1ed1 g\u1eafng gi\u1ea3i th\u00edch n\u1ed9i dung c\u1ee7a b\u1ea3n thi\u1ebft k\u1ebf \u0111\u1ed3ng th\u1eddi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn hi\u1ec7u \u1ee9ng ghim (hi\u1ec7u \u1ee9ng c\u1ecdc).<\/p>\n<p>T\u00f4i s\u1ebd vi\u1ebft ng\u1eafn g\u1ecdn nh\u00e9.<\/p>\n<p><strong>Ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 khi c\u1eafm c\u00e1c thanh c\u1ed1t th\u00e9p c\u1ee9ng hay c\u1ecdc v\u00e0o n\u1ec1n \u0111\u1ea5t m\u1ec1m th\u00ec to\u00e0n b\u1ed9 n\u1ec1n \u0111\u1ea5t s\u1ebd tr\u1edf n\u00ean v\u1eefng ch\u1eafc h\u01a1n th\u00f4i w<\/strong><\/p>\n<p>T\u00f4i \u0111\u00e3 th\u1eed vi\u1ebft nh\u1eefng \u0111i\u1ec1u n\u00e0y d\u00f9 th\u1ea5y h\u01a1i phi\u1ec1n ph\u1ee9c.<\/p>\n<p>G\u1ea7n \u0111\u00e2y, nh\u1edd c\u00f3 s\u1ef1 tr\u1ee3 gi\u00fap c\u1ee7a tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) n\u00ean nh\u1eefng b\u00e0i vi\u1ebft m\u00e0 t\u00f4i vi\u1ebft m\u1ed9t c\u00e1ch c\u1ea9u th\u1ea3 c\u0169ng \u0111\u01b0\u1ee3c ch\u1ec9nh s\u1eeda cho g\u1ecdn g\u00e0ng h\u01a1n.<\/p>\n<p>Ch\u1ec9 l\u00e0, d\u00e0i qu\u00e1...<\/p>\n<p>&nbsp;<\/p>\n<p>H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. M\u00ecnh l\u00e0 Enta \u0111\u00e2y. H\u00f4m nay l\u00e0 ng\u00e0y cu\u1ed1i c\u00f9ng c\u1ee7a th\u00e1ng 9 r\u1ed3i nh\u1ec9. Ch\u1eb3ng m\u1ea5y ch\u1ed1c l\u00e0 cu\u1ed1i n\u0103m r\u1ed3i!!! M\u1ed9t n\u0103m tr\u00f4i qua nhanh nh\u01b0 ch\u1edbp\u2026 Nhanh qu\u00e1! Qu\u00e1 nhanh!!! Ch\u1ec9 nh\u01b0 m\u1ed9t kho\u1ea3nh kh\u1eafc th\u00f4i. M\u00ecnh c\u00f3 c\u1ea3m gi\u00e1c n\u0103m n\u00e0o v\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0y m\u00ecnh c\u0169ng n\u00f3i y h\u1ec7t nh\u01b0 v\u1eady (c\u01b0\u1eddi). \u0110ang tr\u00ean \u0111\u00e0 tr\u1edf th\u00e0nh \u201cg\u00e1nh n\u1eb7ng c\u1ee7a ng\u01b0\u1eddi gi\u00e0\u201d r\u1ed3i \u0111\u00e2y\u2026 (c\u01b0\u1eddi). Th\u00f4i kh\u00f4ng n\u00f3i chuy\u1ec7n phi\u1ebfm n\u1eefa. L\u1ea7n n\u00e0y th\u00ec\u2026<\/p>","protected":false},"author":2,"featured_media":67257,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_total_topic_count_hidden":0,"_bbp_total_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[30,38],"tags":[116,14561,14562,14563],"class_list":["post-67247","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lock-bolt","category-construction-management","tag-116","tag-14561","tag-14562","tag-14563"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.5 (Yoast SEO v28.5) - 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