{"id":64483,"date":"2026-05-24T08:00:06","date_gmt":"2026-05-23T23:00:06","guid":{"rendered":"https:\/\/norimen.net\/?p=64483"},"modified":"2026-05-20T19:21:32","modified_gmt":"2026-05-20T10:21:32","slug":"moi-noi-chong-thanh-cot-thep-45d-kieu-nua-l-xen-ke","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/rebar-lap-joint-45d-half-l-stagger\/","title":{"rendered":"N\u1ed1i ch\u1ed3ng thanh c\u1ed1t th\u00e9p | C\u00e1c ti\u00eau chu\u1ea9n th\u1ef1c ti\u1ec5n v\u1ec1 \u0111\u1ed9 l\u1ec7ch 45D v\u00e0 L\/2 c\u1ea7n l\u01b0u \u00fd trong thi c\u00f4ng m\u00e1i d\u1ed1c"},"content":{"rendered":"<p>Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n<p>\u0110\u00e2y l\u00e0 Enta.<\/p>\n<p>T\u00f4i s\u1ebd vi\u1ebft v\u1ec1 \u201cm\u1ed1i n\u1ed1i ch\u1ed3ng c\u1ed1t th\u00e9p\u201d \u2013 th\u1ee9 lu\u00f4n xu\u1ea5t hi\u1ec7n t\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng thi c\u00f4ng m\u00e1i d\u1ed1c w<\/p>\n<p>\u201cN\u00ean l\u1ea5y \u0111\u1ed9 d\u00e0y l\u1edbp ch\u1ed3ng l\u00e0 bao nhi\u00eau D?\u201d \u201cN\u00ean d\u1ecbch chuy\u1ec3n m\u1ed1i n\u1ed1i ngang bao nhi\u00eau?\u201d \u2013 h\u1ed3i c\u00f2n l\u00e0 ng\u01b0\u1eddi m\u1edbi v\u00e0o ngh\u1ec1, t\u00f4i c\u0169ng th\u01b0\u1eddng b\u0103n kho\u0103n v\u1ec1 nh\u1eefng \u0111i\u1ec1u n\u00e0y.<\/p>\n<p>L\u1ea7n n\u00e0y<strong>C\u00e1c ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 \u0111\u1ec3 kh\u00f4ng b\u1ecb l\u00fang t\u00fang trong c\u00f4ng vi\u1ec7c th\u1ef1c t\u1ebf<\/strong>v\u00e0 s\u1ebd t\u1ed5ng h\u1ee3p l\u1ea1i c\u00f9ng v\u1edbi t\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn l\u00e0m c\u01a1 s\u1edf.<\/p>\n<div class=\"illust-box\">\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-49005\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/05\/R0013965-1.jpg\" alt=\"Th\u1ee3 l\u1eafp r\u00e1p c\u1ed1t th\u00e9p n\u1ec1n m\u00f3ng\" width=\"600\" height=\"450\" srcset=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/05\/R0013965-1.jpg 600w, https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2023\/05\/R0013965-1-300x225.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\r\n<\/pre>\n<\/div>\n<hr \/>\n<h2>N\u1ed1i ch\u1ed3ng thanh c\u1ed1t th\u00e9p l\u00e0 g\u00ec? | Nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n<\/h2>\n<p>Do chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed7i thanh c\u1ed1t th\u00e9p c\u00f3 gi\u1edbi h\u1ea1n n\u00ean nh\u1ea5t thi\u1ebft ph\u1ea3i n\u1ed1i th\u00eam t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u1ed1ng bao g\u1ed3m h\u00e0n \u00e1p l\u1ef1c kh\u00ed v\u00e0 kh\u1edbp n\u1ed1i c\u01a1 kh\u00ed, v.v., nh\u01b0ng,<strong>Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a ngh\u1ec1 x\u00e2y t\u01b0\u1eddng ch\u1eafn d\u1ed1c l\u00e0 \u201cm\u1ed1i n\u1ed1i ch\u1ed3ng\u201d<\/strong>\u0110\u00f3 l\u00e0.<\/p>\n<p>K\u1ebft n\u1ed1i ch\u1ed3ng l\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i hai thanh c\u1ed1t th\u00e9p b\u1eb1ng c\u00e1ch x\u1ebfp ch\u00fang song song v\u00e0 ch\u1ed3ng l\u00ean nhau m\u1ed9t \u0111o\u1ea1n c\u00f3 chi\u1ec1u d\u00e0i nh\u1ea5t \u0111\u1ecbnh, sau \u0111\u00f3 truy\u1ec1n l\u1ef1c nh\u1edd \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a v\u1eefa v\u00e0 b\u00ea t\u00f4ng xung quanh.<\/p>\n<p>Gi\u00e1 th\u00e0nh r\u1ebb, thi c\u00f4ng nhanh ch\u00f3ng v\u00e0 c\u00f3 th\u1ec3 linh ho\u1ea1t \u1ee9ng d\u1ee5ng cho c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 nhi\u1ec1u \u0111\u01b0\u1eddng cong v\u00e0 m\u1eb7t nghi\u00eang, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u1ebft c\u1ea5u khung phun t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64486\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/05\/b33f078ada8045deb766eb52956c1159.jpg\" alt=\"Chi\u1ec1u d\u00e0i ch\u1ed3ng l\u1edbp c\u1ed1t th\u00e9p L\" width=\"600\" height=\"338\" \/><\/p>\n<div class=\"illust-box\"><\/div>\n<h2>Y\u1ebfu t\u1ed1 n\u00e0o quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 d\u00e0i l\u1edbp ch\u1ed3ng? | C\u01a1 s\u1edf l\u00fd lu\u1eadn v\u00e0 b\u1ea3ng tham kh\u1ea3o nhanh<\/h2>\n<p>\u201cD\u201d l\u00e0 k\u00fd hi\u1ec7u ch\u1ec9 \u0111\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p; v\u00ed d\u1ee5, D10 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 10 mm, D13 c\u00f3 \u0111\u01b0\u1eddng k\u00ednh 13 mm.<\/p>\n<p>Chi\u1ec1u d\u00e0i c\u1ea7n thi\u1ebft c\u1ee7a m\u1ed1i n\u1ed1i ch\u1ed3ng l\u00e0,<strong>Quy chu\u1ea9n k\u1ef9 thu\u1eadt v\u1ec1 b\u00ea t\u00f4ng (Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt X\u00e2y d\u1ef1ng)<\/strong>Theo quy \u0111\u1ecbnh, \u201cchi\u1ec1u d\u00e0i b\u00e1m d\u00ednh c\u01a1 b\u1ea3n ph\u1ea3i t\u1eeb ld tr\u1edf l\u00ean\u201d, v\u00e0<\/p>\n<p>Vi\u1ec7c t\u00ednh to\u00e1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean \u0111\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p, c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng, \u0111\u1ed9 d\u00e0y l\u1edbp b\u00ea t\u00f4ng bao ph\u1ee7 v\u00e0 s\u1ef1 c\u00f3 hay kh\u00f4ng c\u00f3 m\u00f3c (theo \u201cQuy chu\u1ea9n thi\u1ebft k\u1ebf b\u00ea t\u00f4ng\u201d c\u1ee7a Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt X\u00e2y d\u1ef1ng Nh\u1eadt B\u1ea3n).<\/p>\n<p>Trong th\u1ef1c t\u1ebf, vi\u1ec7c t\u00ednh to\u00e1n t\u1eebng c\u00e2y m\u1ed9t l\u00e0 kh\u00f4ng kh\u1ea3 thi. Do \u0111\u00f3, theo c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ee7a ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 khu v\u1ef1c t\u01b0 nh\u00e2n th\u00ec <strong>40D\u201345D<\/strong> Th\u1ef1c t\u1ebf l\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng (v\u00ed d\u1ee5: H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng c\u1ee7a t\u1ec9nh Aichi v\u00e0 t\u1ec9nh Saitama, ph\u1ea7n gi\u1ea3i th\u00edch th\u1ef1c ti\u1ec5n tr\u00ean Di\u1ec5n \u0111\u00e0n K\u1ef9 s\u01b0 Chuy\u00ean nghi\u1ec7p JSCE, v.v.).<\/p>\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64485\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/05\/63abbd391253aacb62ec0453945d565b.jpg\" alt=\"Chi\u1ec1u d\u00e0i neo c\u01a1 b\u1ea3n c\u1ee7a c\u1ed1t th\u00e9p\" width=\"600\" height=\"338\" \/><\/pre>\n<h3>B\u1ea3ng tham kh\u1ea3o nhanh theo \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u d\u00e0i ch\u1ed3ng l\u1edbp (35D\/40D\/45D)<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0110\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh<\/th>\n<th>35D<\/th>\n<th>40D<\/th>\n<th><strong>45D (theo h\u01b0\u1edbng an to\u00e0n)<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>D10<\/td>\n<td>10 mm<\/td>\n<td>350 mm<\/td>\n<td>400 mm<\/td>\n<td><strong>450 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>D13<\/td>\n<td>13 mm<\/td>\n<td>455 mm<\/td>\n<td>520 mm<\/td>\n<td><strong>585 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>D16<\/td>\n<td>16mm<\/td>\n<td>560 mm<\/td>\n<td>640 mm<\/td>\n<td><strong>720 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>D19<\/td>\n<td>19 mm<\/td>\n<td>665 mm<\/td>\n<td>760 mm<\/td>\n<td><strong>855 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>D22<\/td>\n<td>22 mm<\/td>\n<td>770 mm<\/td>\n<td>880 mm<\/td>\n<td><strong>990 mm<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u203b C\u00e1c con s\u1ed1 tr\u00ean ch\u1ec9 l\u00e0 gi\u00e1 tr\u1ecb \u0111\u01a1n thu\u1ea7n c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh nh\u00e2n v\u1edbi h\u1ec7 s\u1ed1.<\/p>\n<p><strong>Cu\u1ed1i c\u00f9ng, h\u00e3y nh\u1edb ki\u1ec3m tra k\u1ef9 b\u1ea3n k\u1ebf ho\u1ea1ch thi c\u00f4ng, b\u1ea3n m\u00f4 t\u1ea3 k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t v\u00e0 b\u1ea3n v\u1ebd ti\u00eau chu\u1ea9n c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/strong><\/p>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng th\u1ea5p ho\u1eb7c khi c\u1ed1 \u0111\u1ecbnh theo \u0111\u01b0\u1eddng th\u1eb3ng m\u00e0 kh\u00f4ng s\u1eed d\u1ee5ng m\u00f3c, chi\u1ec1u d\u00e0i c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 t\u0103ng l\u00ean theo t\u00ednh to\u00e1n.<\/p>\n<div class=\"illust-box\">\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64487\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/05\/658319ce45cd383746761d7ed30ff7b9.jpg\" alt=\"B\u1ea3ng t\u1ed5ng h\u1ee3p chi\u1ec1u d\u00e0i c\u00e1c l\u1edbp c\u1ed1t th\u00e9p\" width=\"600\" height=\"400\" \/>\r\n<\/pre>\n<\/div>\n<h2>Ph\u1ea3i d\u1ecbch chuy\u1ec3n kh\u1edbp n\u1ed1i b\u00ean sang m\u1ed9t kho\u1ea3ng t\u1ed1i thi\u1ec3u b\u1eb1ng L\/2<\/h2>\n<p>Ch\u1ec9 \u0111\u1ea3m b\u1ea3o chi\u1ec1u d\u00e0i ch\u1ed3ng l\u00ean nhau l\u00e0 ch\u01b0a \u0111\u1ee7, v\u00e0,<strong>D\u1ecbch chuy\u1ec3n v\u1ecb tr\u00ed m\u1ed1i n\u1ed1i b\u00ean h\u00f4ng<\/strong>\u0110i\u1ec1u n\u00e0y c\u0169ng quan tr\u1ecdng kh\u00f4ng k\u00e9m.<\/p>\n<p>Theo Quy chu\u1ea9n k\u1ef9 thu\u1eadt b\u00ea t\u00f4ng c\u1ee7a Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt X\u00e2y d\u1ef1ng, v\u1ecb tr\u00ed c\u1ee7a m\u1ed1i n\u1ed1i ch\u1ed3ng ph\u1ea3i l\u00e0 <strong>D\u1ecbch chuy\u1ec3n \u201c0,5L1 (= L\/2) tr\u1edf l\u00ean\u201d<\/strong> \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh (L1 l\u00e0 chi\u1ec1u d\u00e0i m\u1ed1i n\u1ed1i ch\u1ed3ng).<\/p>\n<div class=\"illust-box\">\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64491\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/05\/8297042ba513de6c14865b5679abb447.jpg\" alt=\"S\u1ef1 ch\u1ed3ng ch\u00e9o c\u1ee7a c\u1ed1t th\u00e9p\" width=\"600\" height=\"500\" \/>\r\n<\/pre>\n<\/div>\n<p>Khi ch\u1ed3ng l\u1edbp 45D tr\u00ean D10, L = 450mm.<strong>Kho\u1ea3ng c\u00e1ch d\u1ecbch chuy\u1ec3n t\u1ed1i thi\u1ec3u l\u00e0 225 mm<\/strong>(L\/2), n\u1ebfu mu\u1ed1n th\u1eadn tr\u1ecdng th\u00ec <strong>1,5 l\u00edt = 675 mm<\/strong> N\u1ebfu \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ebfn m\u1ee9c \u0111\u00f3, v\u1ec1 c\u01a1 b\u1ea3n s\u1ebd kh\u00f4ng x\u1ea3y ra s\u1ef1 c\u1ed1 n\u00e0o.<\/p>\n<h3>Nh\u1eefng sai s\u00f3t th\u01b0\u1eddng g\u1eb7p t\u1ea1i c\u00f4ng tr\u01b0\u1eddng | Kh\u1edbp n\u1ed1i h\u00ecnh c\u1ee7 khoai<\/h3>\n<p>T\u00ecnh tr\u1ea1ng li\u00ean t\u1ee5c th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ch\u1ed3ng l\u1edbp \u0111\u1ec3 t\u1ea1o ra hi\u1ec7u \u1ee9ng \u201ctr\u00f4ng nh\u01b0 \u0111ang d\u1ecbch chuy\u1ec3n nh\u01b0ng th\u1ef1c ch\u1ea5t l\u00e0 d\u1ecbch chuy\u1ec3n 0\u201d <strong>\u201cKh\u1edbp n\u1ed1i khoai t\u00e2y\u201d<\/strong> \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0.<\/p>\n<p>Do c\u00e1c \u0111\u1ea7u thanh c\u1ed1t th\u00e9p t\u1eadp trung t\u1ea1i c\u00f9ng m\u1ed9t m\u1eb7t c\u1eaft ngang, n\u00ean Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt X\u00e2y d\u1ef1ng c\u0169ng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u00e2y l\u00e0 ki\u1ec3u b\u1ed1 tr\u00ed c\u1ea7n tr\u00e1nh r\u00f5 r\u00e0ng.<\/p>\n<p>Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng \u0111\u01b0\u1ee3c n\u1ed1i \u1ed1ng b\u1eb1ng khoai t\u00e2y!<\/p>\n<div class=\"illust-box\">\n<pre><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64488\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2026\/05\/d9807877dcc094e25c43cfa87526bdc2.jpg\" alt=\"M\u1ed1i n\u1ed1i h\u00ecnh c\u1ee7 khoai t\u00e2y c\u1ee7a c\u1ed1t th\u00e9p\" width=\"600\" height=\"338\" \/>\r\n<\/pre>\n<\/div>\n<h2>M\u1eb9o v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/h2>\n<p>C\u00f3 nh\u1eefng ng\u01b0\u1eddi t\u1ea1i c\u00f4ng tr\u01b0\u1eddng c\u1ed1 g\u1eafng gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a \u0111\u1ed9 ch\u1ed3ng ch\u00e9o \u201c\u0111\u1ec3 h\u1ea1n ch\u1ebf l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u do m\u1ea5t c\u1ed1t th\u00e9p\u201d.<\/p>\n<p>\u0110i\u1ec1u \u0111\u00f3 c\u0169ng \u0111\u01b0\u1ee3c th\u00f4i, nh\u01b0ng c\u00e1 nh\u00e2n t\u00f4i mu\u1ed1n ch\u01a1i an to\u00e0n n\u00ean mu\u1ed1n d\u1ef1 tr\u1eef nhi\u1ec1u h\u01a1n m\u1ed9t ch\u00fat w<\/p>\n<p>N\u00f3i th\u1eb3ng ra, nh\u1eefng \u0111i\u1ec3m m\u00e0 t\u00f4i c\u00f2n thi\u1ebfu t\u1ef1 tin l\u00e0 <strong>N\u1ebfu s\u1eed d\u1ee5ng 45D, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n \u1edf b\u1ea5t k\u1ef3 c\u00f4ng tr\u01b0\u1eddng n\u00e0o tr\u00ean to\u00e0n qu\u1ed1c<\/strong>\u3002<\/p>\n<p>Chi ph\u00ed dao \u0111\u1ed9ng t\u1eeb v\u00e0i tr\u0103m \u0111\u1ebfn v\u00e0i ngh\u00ecn y\u00ean cho m\u1ed7i v\u1ecb tr\u00ed. Ngay c\u1ea3 khi b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt ghi l\u00e0 \u201c40D l\u00e0 \u0111\u01b0\u1ee3c\u201d, n\u1ebfu c\u00f2n b\u0103n kho\u0103n v\u1ec1 kh\u1ea3 n\u0103ng thi c\u00f4ng, t\u1ed1t nh\u1ea5t n\u00ean ch\u1ecdn lo\u1ea1i 45D \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n<h3>C\u00e1ch x\u1eed l\u00fd khi kh\u00f4ng th\u1ec3 duy tr\u00ec kho\u1ea3ng c\u00e1ch ch\u1ed3ng l\u1edbp<\/h3>\n<p>Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, ngay c\u1ea3 khi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p khung ph\u00e1p l\u00fd, k\u00edch th\u01b0\u1edbc c\u00f4ng tr\u00ecnh qu\u00e1 nh\u1ecf \u0111\u1ebfn m\u1ee9c kh\u00f4ng th\u1ec3 d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1ee3c L\/2. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, c\u1ea7n \u00e1p d\u1ee5ng c\u00e1ch suy ngh\u0129 ng\u01b0\u1ee3c l\u1ea1i,<strong>\u0110\u1eb7t kho\u1ea3ng c\u00e1ch ch\u1ed3ng l\u1edbp qu\u00e1 l\u1edbn<\/strong>\u0110\u00f3 l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang. N\u1ebfu k\u00e9o d\u00e0i 45D th\u00e0nh 60D, gi\u00e1 tr\u1ecb tuy\u1ec7t \u0111\u1ed1i c\u1ee7a L\/2 c\u0169ng s\u1ebd t\u0103ng l\u00ean, t\u1eeb \u0111\u00f3 t\u1ea1o ra kho\u1ea3ng tr\u1ed1ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/p>\n<div class=\"illust-box\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1660\" src=\"https:\/\/norimen.net\/wordpress\/wp-content\/uploads\/2016\/11\/8cc9bddc5ffc718b333ab17a6f1baccb.jpg\" alt=\"L\u1edbp ch\u1ed3ng c\u1ed1t th\u00e9p\" width=\"600\" height=\"460\" \/><\/div>\n<hr \/>\n<p>\u0110\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n nh\u1ea5t n\u00ean s\u1ebd kh\u00f4ng \u0111\u01b0\u1ee3c n\u00eau trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt hay c\u00e1c ghi ch\u00fa \u0111\u1eb7c bi\u1ec7t.<\/p>\n<p>V\u1ec1 c\u01a1 b\u1ea3n, c\u00e1c b\u1ea1n nh\u1ea5t \u0111\u1ecbnh ph\u1ea3i ghi nh\u1edb c\u00e1c gi\u00e1 tr\u1ecb t\u1eeb 40D\u30fbL\/2 tr\u1edf l\u00ean.<\/p>\n<p>&nbsp;<\/p>\n<p>H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>\n<p>&nbsp;<\/p>\n<p>\u3010T\u00e0i li\u1ec7u tham kh\u1ea3o\u3011<br \/>\n\u2013 Hi\u1ec7p h\u1ed9i K\u1ef9 thu\u1eadt X\u00e2y d\u1ef1ng Nh\u1eadt B\u1ea3n, \u201cQuy chu\u1ea9n k\u1ef9 thu\u1eadt b\u00ea t\u00f4ng \u2013 Ph\u1ea7n Thi\u1ebft k\u1ebf\u201d (C\u00e1c quy \u0111\u1ecbnh c\u01a1 b\u1ea3n v\u1ec1 chi\u1ec1u d\u00e0i m\u1ed1i n\u1ed1i ch\u1ed3ng v\u00e0 kho\u1ea3ng c\u00e1ch l\u1ec7ch)<br \/>\n\u2013 H\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf c\u1ea7u \u0111\u01b0\u1eddng b\u1ed9 v\u00e0 ph\u1ea7n gi\u1ea3i th\u00edch IV: Ph\u1ea7n k\u1ebft c\u1ea5u n\u1ec1n (N\u1ed1i c\u1ed1t th\u00e9p)<br \/>\n\u2013 C\u00e1c h\u01b0\u1edbng d\u1eabn thi\u1ebft k\u1ebf c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng c\u1ee7a c\u00e1c ch\u00ednh quy\u1ec1n \u0111\u1ecba ph\u01b0\u01a1ng (v\u00ed d\u1ee5: t\u1ec9nh Saitama, t\u1ec9nh Aichi, C\u1ee5c Qu\u1ea3n l\u00fd C\u01a1 s\u1edf H\u1ea1 t\u1ea7ng V\u00f9ng Kinki, v.v., \u00e1p d\u1ee5ng t\u1ef7 l\u1ec7 40D\u201345D)<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"pheEaJHpTk\"><p><a href=\"https:\/\/norimen.net\/vi\/huong-chong-cheo-cot-thep-trong-khung\/\">H\u01b0\u1edbng x\u1ebfp ch\u1ed3ng c\u1ed1t th\u00e9p trong khung ph\u00e1p l\u00fd | Truy\u1ec1n \u1ee9ng su\u1ea5t k\u00e9o qua m\u1ed1i n\u1ed1i d\u1ecdc<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201cH\u01b0\u1edbng x\u1ebfp ch\u1ed3ng c\u1ed1t th\u00e9p trong khung ph\u00e1p l\u00fd | Truy\u1ec1n \u1ee9ng su\u1ea5t k\u00e9o qua m\u1ed1i n\u1ed1i d\u1ecdc\u201d \u2014 L\u1edbp h\u1ecdc Qu\u1ea3n l\u00fd M\u1eb7t d\u1ed1c c\u1ee7a Shin-Ent\" src=\"https:\/\/norimen.net\/rebar-overlap-direction-frame\/embed\/#?secret=OmLNhxd8EL#?secret=pheEaJHpTk\" data-secret=\"pheEaJHpTk\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>","protected":false},"excerpt":{"rendered":"<p>Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. T\u00f4i l\u00e0 Enta. H\u00f4m nay t\u00f4i s\u1ebd vi\u1ebft v\u1ec1 \u201cm\u1ed1i n\u1ed1i ch\u1ed3ng c\u1ee7a c\u1ed1t th\u00e9p\u201d \u2013 m\u1ed9t v\u1ea5n \u0111\u1ec1 lu\u00f4n xu\u1ea5t hi\u1ec7n t\u1ea1i c\u00e1c c\u00f4ng tr\u01b0\u1eddng thi c\u00f4ng m\u00e1i d\u1ed1c (c\u01b0\u1eddi). \u201cChi\u1ec1u d\u00e0i ch\u1ed3ng n\u00ean l\u1ea5y l\u00e0 bao nhi\u00eau D?\u201d, \u201cM\u1ed1i n\u1ed1i ngang c\u1ea7n d\u1ecbch chuy\u1ec3n bao nhi\u00eau?\u201d, h\u1ed3i c\u00f2n l\u00e0 ng\u01b0\u1eddi m\u1edbi v\u00e0o ngh\u1ec1, t\u00f4i c\u0169ng th\u01b0\u1eddng b\u0103n kho\u0103n v\u1ec1 nh\u1eefng \u0111i\u1ec1u n\u00e0y. L\u1ea7n n\u00e0y, t\u00f4i s\u1ebd chia s\u1ebb c\u00e1c ti\u00eau ch\u00ed \u0111\u00e1nh gi\u00e1 \u0111\u1ec3 c\u00e1c b\u1ea1n kh\u00f4ng c\u00f2n b\u1ed1i r\u1ed1i khi l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf\u2026<\/p>","protected":false},"author":2,"featured_media":64492,"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_forum_subforum_count":0,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[34,38],"tags":[2739,5520,14368,14369],"class_list":["post-64483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-slope-work","category-construction-management","tag-2739","tag-5520","tag-14368","tag-14369"],"acf":[],"yoast_head":"<!-- This site is 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