{"id":1915,"date":"2026-02-16T02:20:40","date_gmt":"2026-02-16T02:20:40","guid":{"rendered":"https:\/\/www.wonzh.com\/?p=1915"},"modified":"2026-02-16T02:25:22","modified_gmt":"2026-02-16T02:25:22","slug":"co-hoc-va-nguyen-tac-lua-chon-ket-cau-day-cap-thep-cua-can-cau","status":"publish","type":"post","link":"https:\/\/www.wonzh.com\/vi\/crane-steel-wire-rope-structure-mechanics-and-engineering-selection-principles\/","title":{"rendered":"D\u00e2y c\u00e1p th\u00e9p c\u1ea7n c\u1ea9u: C\u1ea5u tr\u00fac, C\u01a1 h\u1ecdc v\u00e0 Nguy\u00ean t\u1eafc l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt"},"content":{"rendered":"<h3 class=\"wp-block-heading\">1. Gi\u1edbi thi\u1ec7u<\/h3>\n\n\n\n<p>D\u00e2y c\u00e1p th\u00e9p c\u1ee7a c\u1ea7n tr\u1ee5c l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ecbu t\u1ea3i quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng n\u00e2ng h\u1ea1. Trong c\u00e1c lo\u1ea1i c\u1ea7n tr\u1ee5c nh\u01b0 c\u1ea7n tr\u1ee5c treo, c\u1ea7n tr\u1ee5c d\u1ea7m, c\u1ea7n tr\u1ee5c th\u00e1p v\u00e0 thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 ngo\u00e0i kh\u01a1i, d\u00e2y c\u00e1p th\u00e9p \u0111\u00f3ng vai tr\u00f2 l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ecbu k\u00e9o ch\u00ednh, truy\u1ec1n t\u1ea3i l\u1ef1c gi\u1eefa tr\u1ed1ng n\u00e2ng v\u00e0 b\u1ed9 ph\u1eadn m\u00f3c.<\/p>\n\n\n\n<p>Kh\u00e1c v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n n\u00e2ng c\u1ee9ng, d\u00e2y c\u00e1p th\u00e9p cung c\u1ea5p s\u1ef1 linh ho\u1ea1t k\u1ebft h\u1ee3p v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o cao, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u00e0 t\u00ednh d\u1ef1 ph\u00f2ng. Thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u1ee7a n\u00f3 cho ph\u00e9p n\u00f3 u\u1ed1n cong qua c\u00e1c puli v\u00e0 tr\u1ed1ng trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n \u1ee9ng su\u1ea5t tu\u1ea7n ho\u00e0n.<\/p>\n\n\n\n<p>B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan k\u1ef9 thu\u1eadt v\u1ec1 d\u00e2y c\u00e1p th\u00e9p c\u1ee7a c\u1ea7n c\u1ea9u, t\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac, h\u00e0nh vi c\u01a1 h\u1ecdc, kh\u1ea3 n\u0103ng ch\u1ecbu m\u1ecfi, c\u00e1c y\u1ebfu t\u1ed1 an to\u00e0n v\u00e0 ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. C\u1ea5u tr\u00fac th\u00e0nh ph\u1ea7n c\u1ee7a d\u00e2y c\u00e1p th\u00e9p<\/h2>\n\n\n\n<p>D\u00e2y c\u00e1p th\u00e9p c\u1ee7a c\u1ea7n c\u1ea9u kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ee3i c\u00e1p \u0111\u01a1n l\u1ebb. \u0110\u00f3 l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00e2y th\u00e9p \u0111\u01a1n l\u1ebb<\/li>\n\n\n\n<li>S\u1ee3i (nhi\u1ec1u s\u1ee3i d\u00e2y xo\u1eafn l\u1ea1i v\u1edbi nhau)<\/li>\n\n\n\n<li>L\u00f5i (l\u00f5i s\u1ee3i ho\u1eb7c l\u00f5i th\u00e9p)<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ecbnh d\u1ea1ng x\u00e2y d\u1ef1ng ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng s\u1ed1, v\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6\u00d719<\/li>\n\n\n\n<li>6\u00d736<\/li>\n\n\n\n<li>8\u00d719<\/li>\n<\/ul>\n\n\n\n<p>V\u00ed d\u1ee5, m\u1ed9t s\u1ee3i d\u00e2y 6\u00d736 bao g\u1ed3m s\u00e1u s\u1ee3i, m\u1ed7i s\u1ee3i \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb kho\u1ea3ng 36 s\u1ee3i d\u00e2y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c lo\u1ea1i l\u00f5i<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L\u00f5i s\u1ee3i (FC)\n<ul class=\"wp-block-list\">\n<li>D\u1ec5 d\u00e0ng h\u01a1n<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng gi\u1eef d\u1ea7u b\u00f4i tr\u01a1n t\u1ed1t h\u01a1n<\/li>\n\n\n\n<li>\u0110\u1ed9 b\u1ec1n k\u1ebft c\u1ea5u th\u1ea5p<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>L\u00f5i d\u00e2y c\u00e1p \u0111\u1ed9c l\u1eadp (IWRC)\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 b\u1ec1n cao h\u01a1n<\/li>\n\n\n\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u00e9n t\u1ed1t h\u01a1n<\/li>\n\n\n\n<li>\u0110\u01b0\u1ee3c \u01b0a chu\u1ed9ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n c\u1ea9u t\u1ea3i tr\u1ecdng n\u1eb7ng.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Trong h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng c\u1ea7n c\u1ea9u c\u00f4ng nghi\u1ec7p, vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac IWRC \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb do c\u00f3 bi\u00ean \u0111\u1ed9 an to\u00e0n cao h\u01a1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. T\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc v\u00e0 h\u00e0nh vi ch\u1ecbu t\u1ea3i<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 b\u1ec1n k\u00e9o<\/h3>\n\n\n\n<p>L\u1ef1c \u0111\u1ee9t c\u1ee7a d\u00e2y c\u00e1p c\u1ea9u ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ed9 b\u1ec1n k\u00e9o c\u1ee7a d\u00e2y (v\u00ed d\u1ee5: 1770 MPa, 1960 MPa, 2160 MPa)<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng k\u00ednh d\u00e2y<\/li>\n\n\n\n<li>Lo\u1ea1i c\u00f4ng tr\u00ecnh<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c c\u1ea5p \u0111\u1ed9 k\u00e9o cao h\u01a1n c\u00f3 th\u1ec3 t\u0103ng t\u1ea3i tr\u1ecdng \u0111\u1ee9t g\u00e3y nh\u01b0ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 linh ho\u1ea1t v\u00e0 tu\u1ed5i th\u1ecd m\u1ecfi n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">M\u1ecfi do u\u1ed1n cong<\/h3>\n\n\n\n<p>C\u1ea7n c\u1ea9u g\u00e2y ra s\u1ef1 u\u1ed1n cong l\u1eb7p \u0111i l\u1eb7p l\u1ea1i c\u1ee7a d\u00e2y c\u00e1p qua c\u00e1c puli v\u00e0 tr\u1ed1ng. Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u1ef7 l\u1ec7 \u0111\u01b0\u1eddng k\u00ednh puli so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh d\u00e2y (t\u1ef7 l\u1ec7 D\/d)<\/li>\n\n\n\n<li>C\u1ea5u tr\u00fac d\u00e2y<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n b\u00f4i tr\u01a1n<\/li>\n\n\n\n<li>Ph\u1ed5 t\u1ea3i<\/li>\n<\/ul>\n\n\n\n<p>T\u1ef7 l\u1ec7 D\/d l\u1edbn h\u01a1n \u0111\u00e1ng k\u1ec3 l\u00e0m t\u0103ng tu\u1ed5i th\u1ecd s\u1eed d\u1ee5ng. \u0110\u01b0\u1eddng k\u00ednh puli kh\u00f4ng \u0111\u1ee7 s\u1ebd l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 \u0111\u1ee9t d\u00e2y b\u00ean trong.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp v\u00e0 ch\u1ecbu n\u00e9n<\/h3>\n\n\n\n<p>Khi \u0111\u01b0\u1ee3c qu\u1ea5n th\u00e0nh nhi\u1ec1u l\u1edbp tr\u00ean tr\u1ed1ng, d\u00e2y th\u1eebng ch\u1ecbu \u00e1p l\u1ef1c h\u01b0\u1edbng t\u00e2m. D\u00e2y th\u1eebng IWRC c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u00e9n v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi d\u00e2y th\u1eebng l\u00f5i s\u1ee3i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. C\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c c\u1ee7a d\u00e2y c\u00e1p th\u00e9p trong c\u1ea7n c\u1ea9u<\/h2>\n\n\n\n<p>D\u00e2y c\u00e1p c\u1ea7n c\u1ea9u th\u01b0\u1eddng kh\u00f4ng b\u1ecb h\u1ecfng \u0111\u1ed9t ng\u1ed9t m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u c\u1ea3nh b\u00e1o. C\u00e1c c\u01a1 ch\u1ebf suy gi\u1ea3m ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>V\u1ebft n\u1ee9t do m\u1ecfi d\u00e2y<br>\u0110\u01b0\u1ee3c g\u00e2y ra b\u1edfi \u1ee9ng su\u1ea5t u\u1ed1n tu\u1ea7n ho\u00e0n.<\/li>\n\n\n\n<li>M\u00e0i m\u00f2n do ma s\u00e1t<br>X\u1ea3y ra t\u1ea1i c\u00e1c \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u1ee7a puli.<\/li>\n\n\n\n<li>M\u1ecfi do \u0103n m\u00f2n<br>\u0110\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi \u0111\u1ed9 \u1ea9m v\u00e0 ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t.<\/li>\n\n\n\n<li>S\u1ef1 m\u00e0i m\u00f2n b\u00ean trong<br>Do ma s\u00e1t gi\u1eefa c\u00e1c s\u1ee3i.<\/li>\n\n\n\n<li>Qu\u00e1 t\u1ea3i<br>V\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c (WLL).<\/li>\n<\/ol>\n\n\n\n<p>Ti\u00eau chu\u1ea9n ki\u1ec3m tra th\u01b0\u1eddng x\u00e1c \u0111\u1ecbnh c\u00e1c ti\u00eau ch\u00ed lo\u1ea1i b\u1ecf d\u1ef1a tr\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1ed1 l\u01b0\u1ee3ng d\u00e2y b\u1ecb \u0111\u1ee9t trong m\u1ed9t \u0111o\u1ea1n d\u00e2y<\/li>\n\n\n\n<li>Gi\u1ea3m \u0111\u01b0\u1eddng k\u00ednh<\/li>\n\n\n\n<li>M\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n<\/li>\n\n\n\n<li>H\u01b0 h\u1ecfng l\u00f5i<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. H\u1ec7 s\u1ed1 an to\u00e0n v\u00e0 Gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c<\/h2>\n\n\n\n<p>Thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt y\u00eau c\u1ea7u \u00e1p d\u1ee5ng h\u1ec7 s\u1ed1 an to\u00e0n cho t\u1ea3i tr\u1ecdng \u0111\u1ee9t t\u1ed1i thi\u1ec3u (MBL).<\/p>\n\n\n\n<p>C\u00e1c h\u1ec7 s\u1ed1 an to\u00e0n th\u00f4ng th\u01b0\u1eddng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u1ea7n c\u1ea9u n\u00e2ng h\u1ea1 th\u00f4ng d\u1ee5ng: T\u1ef7 l\u1ec7 5:1 \u0111\u1ebfn 6:1<\/li>\n\n\n\n<li>T\u1ef7 l\u1ec7 n\u00e2ng ng\u01b0\u1eddi: 8:1 \u0111\u1ebfn 10:1<\/li>\n\n\n\n<li>N\u00e2ng h\u1ea1 ngo\u00e0i kh\u01a1i: Cao h\u01a1n, t\u00f9y thu\u1ed9c v\u00e0o quy \u0111\u1ecbnh.<\/li>\n<\/ul>\n\n\n\n<p>Gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng l\u00e0m vi\u1ec7c (WLL) \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n nh\u01b0 sau:<\/p>\n\n\n\n<p>WLL = MBL \/ H\u1ec7 s\u1ed1 an to\u00e0n<\/p>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn h\u1ec7 s\u1ed1 an to\u00e0n ph\u00f9 h\u1ee3p ph\u1ea3i xem x\u00e9t t\u1ea3i tr\u1ecdng \u0111\u1ed9ng, t\u1ea3i tr\u1ecdng va \u0111\u1eadp v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. B\u00f4i tr\u01a1n v\u00e0 b\u1ea3o d\u01b0\u1ee1ng<\/h2>\n\n\n\n<p>B\u00f4i tr\u01a1n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u1ea3m ma s\u00e1t b\u00ean trong<\/li>\n\n\n\n<li>Ng\u0103n ng\u1eeba \u0103n m\u00f2n<\/li>\n\n\n\n<li>K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd m\u1ecfi<\/li>\n<\/ul>\n\n\n\n<p>C\u1ea3 b\u00f4i tr\u01a1n b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i \u0111\u1ec1u c\u1ea7n thi\u1ebft. C\u00e1c d\u00e2y c\u00e1p c\u1ea7n c\u1ea9u hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n s\u1eb5n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, nh\u01b0ng vi\u1ec7c b\u00f4i tr\u01a1n \u0111\u1ecbnh k\u1ef3 l\u00e0 c\u1ea7n thi\u1ebft trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng.<\/p>\n\n\n\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng<\/li>\n\n\n\n<li>Ki\u1ec3m tra r\u00f2 r\u1ec9 t\u1eeb th\u00f4ng (MFL)<\/li>\n\n\n\n<li>\u0110o \u0111\u01b0\u1eddng k\u00ednh<\/li>\n\n\n\n<li>Theo d\u00f5i c\u0103ng th\u1eb3ng<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c chi\u1ebfn l\u01b0\u1ee3c b\u1ea3o tr\u00ec d\u1ef1 \u0111o\u00e1n gi\u00fap gi\u1ea3m \u0111\u00e1ng k\u1ec3 nguy c\u01a1 h\u1ecfng h\u00f3c nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt<\/h2>\n\n\n\n<p>Khi l\u1ef1a ch\u1ecdn d\u00e2y c\u00e1p th\u00e9p cho c\u1ea7n c\u1ea9u, c\u00e1c k\u1ef9 s\u01b0 ph\u1ea3i \u0111\u00e1nh gi\u00e1:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Kh\u1ea3 n\u0103ng t\u1ea3i v\u00e0 chu k\u1ef3 l\u00e0m vi\u1ec7c<\/li>\n\n\n\n<li>\u0110\u01b0\u1eddng k\u00ednh puli v\u00e0 thi\u1ebft k\u1ebf tr\u1ed1ng<\/li>\n\n\n\n<li>\u0110i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng (bi\u1ec3n, khai th\u00e1c m\u1ecf, \u0111\u1ed9 \u1ea9m cao)<\/li>\n\n\n\n<li>\u0110\u1ed9 linh ho\u1ea1t c\u1ea7n thi\u1ebft<\/li>\n\n\n\n<li>Tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh<\/li>\n<\/ol>\n\n\n\n<p>C\u00e1c khuy\u1ebfn ngh\u1ecb th\u00f4ng th\u01b0\u1eddng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>6\u00d736 IWRC d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i n\u1eb7ng v\u00e0 c\u00f3 \u0111\u1ed9 m\u1ecfi cao.<\/li>\n\n\n\n<li>D\u00e2y th\u00e9p m\u1ea1 k\u1ebdm cho m\u00f4i tr\u01b0\u1eddng d\u1ec5 b\u1ecb \u0103n m\u00f2n<\/li>\n\n\n\n<li>D\u00e2y c\u00e1p ch\u1ed1ng xo\u1eafn cho c\u1ea7n c\u1ea9u th\u00e1p<\/li>\n<\/ul>\n\n\n\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn kh\u00f4ng \u0111\u00fang c\u00e1ch th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn m\u1ec7t m\u1ecfi s\u1edbm v\u00e0 t\u0103ng chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Ti\u00eau chu\u1ea9n v\u00e0 Khung ph\u00e1p l\u00fd<\/h2>\n\n\n\n<p>D\u00e2y c\u00e1p th\u00e9p cho c\u1ea7n c\u1ea9u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m tra theo c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u00eau chu\u1ea9n ISO 2408<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n EN 12385<\/li>\n\n\n\n<li>Ti\u00eau chu\u1ea9n ASTM A1023<\/li>\n\n\n\n<li>API 9A<\/li>\n<\/ul>\n\n\n\n<p>C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c gi\u1edbi h\u1ea1n dung sai trong x\u00e2y d\u1ef1ng, ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m c\u01a1 h\u1ecdc v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m tra.<\/p>\n\n\n\n<p>Tu\u00e2n th\u1ee7 \u0111\u1ea3m b\u1ea3o t\u00ednh truy xu\u1ea5t ngu\u1ed3n g\u1ed1c, t\u00ednh nh\u1ea5t qu\u00e1n trong hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">9. G\u00f3c nh\u00ecn v\u1ec1 chi ph\u00ed v\u00f2ng \u0111\u1eddi<\/h2>\n\n\n\n<p>M\u1eb7c d\u00f9 d\u00e2y th\u1eebng ch\u1ea5t l\u01b0\u1ee3ng cao c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n, nh\u01b0ng ch\u00fang th\u01b0\u1eddng gi\u00fap gi\u1ea3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng<\/li>\n\n\n\n<li>T\u1ea7n su\u1ea5t thay th\u1ebf<\/li>\n\n\n\n<li>Kho\u1ea3ng th\u1eddi gian ki\u1ec3m tra<\/li>\n\n\n\n<li>Nguy c\u01a1 tai n\u1ea1n<\/li>\n<\/ul>\n\n\n\n<p>Do \u0111\u00f3, chi ph\u00ed s\u1edf h\u1eefu t\u1ed5ng th\u1ec3 (TCO) n\u00ean \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 thay v\u00ec ch\u1ec9 t\u1eadp trung v\u00e0o gi\u00e1 mua.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10. K\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>D\u00e2y c\u00e1p th\u00e9p cho c\u1ea7n c\u1ea9u l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n c\u01a1 kh\u00ed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf tinh vi, nh\u1eb1m c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 linh ho\u1ea1t, kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u00e0 \u0111\u1ed9 an to\u00e0n d\u1ef1 ph\u00f2ng.<\/p>\n\n\n\n<p>L\u1ef1a ch\u1ecdn k\u1ebft c\u1ea5u ph\u00f9 h\u1ee3p, t\u1ef7 l\u1ec7 D\/d h\u1ee3p l\u00fd, h\u1ec7 s\u1ed1 an to\u00e0n th\u00edch h\u1ee3p v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh ch\u00ednh \u0111\u1ed1i v\u1edbi \u0111\u1ed9 tin c\u1eady v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<p>T\u1eeb g\u00f3c \u0111\u1ed9 k\u1ef9 thu\u1eadt, d\u00e2y c\u00e1p c\u1ea9u kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ed9t s\u1ea3n ph\u1ea9m th\u00f4ng th\u01b0\u1eddng m\u00e0 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n an to\u00e0n quan tr\u1ecdng, \u0111\u00f2i h\u1ecfi \u0111\u00e1nh gi\u00e1 k\u1ef9 thu\u1eadt, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n v\u00e0 qu\u1ea3n l\u00fd v\u00f2ng \u0111\u1eddi.<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Introduction Crane steel wire rope is a critical load-bearing component in lifting systems. In overhead cranes, gantry cranes, tower cranes, and offshore lifting equipment, the wire rope functions as the primary tensile member transferring loads between the hoisting drum and the hook assembly. Unlike rigid lifting components, steel wire rope offers flexibility combined with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[26],"tags":[1594,1598,1601,1600,1603,1606,1593,1607,1604,1602,1591,1605,1215,1599,1595,1516,1597,1596,1592],"class_list":["post-1915","post","type-post","status-publish","format-standard","hentry","category-product-knowledge","tag-6x19-wire-rope","tag-6x36-wire-rope","tag-astm-a1023-wire-rope","tag-crane-steel-wire-rope","tag-d-over-d-ratio","tag-en-12385-wire-rope","tag-fiber-core-wire-rope","tag-galvanized-steel-wire-rope","tag-iso-2408-wire-rope","tag-iwrc-wire-rope","tag-lifting-wire-rope","tag-minimum-breaking-load-mbl","tag-overhead-crane-rope","tag-rotation-resistant-wire-rope-2","tag-wire-rope-fatigue-failure","tag-wire-rope-inspection-standards","tag-wire-rope-safety-factor","tag-wire-rope-tensile-strength","tag-working-load-limit-wll"],"_links":{"self":[{"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/posts\/1915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/comments?post=1915"}],"version-history":[{"count":2,"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/posts\/1915\/revisions"}],"predecessor-version":[{"id":1920,"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/posts\/1915\/revisions\/1920"}],"wp:attachment":[{"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/media?parent=1915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/categories?post=1915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wonzh.com\/vi\/wp-json\/wp\/v2\/tags?post=1915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}