{"id":18621,"date":"2018-01-31T15:13:14","date_gmt":"2018-01-31T08:13:14","guid":{"rendered":"https:\/\/www.baohoxanh.com\/blog\/?p=18621"},"modified":"2026-09-04T13:44:30","modified_gmt":"2026-09-04T06:44:30","slug":"khoa-bao-ho-han-quoc-tieu-chuan-chau-au","status":"publish","type":"post","link":"https:\/\/www.baohoxanh.com\/blog\/khoa-bao-ho-han-quoc-tieu-chuan-chau-au\/","title":{"rendered":"Kh\u00f3a B\u1ea3o H\u1ed9 H\u00e0n Qu\u1ed1c: \u0110\u1ecdc K\u00fd Hi\u1ec7u EN 362 Tr\u00ean Th\u00e2n Kh\u00f3a"},"content":{"rendered":"<p><strong>Kh\u00f3a b\u1ea3o h\u1ed9 H\u00e0n Qu\u1ed1c<\/strong> l\u00e0 m\u1eaft x\u00edch n\u1ed1i gi\u1eefa ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 \u0111i\u1ec3m neo khi l\u00e0m vi\u1ec7c tr\u00ean cao \u2013 nh\u1ecf nh\u1ea5t trong c\u1ea3 h\u1ec7 th\u1ed1ng ch\u1ed1ng r\u01a1i ng\u00e3 nh\u01b0ng l\u1ea1i l\u00e0 chi ti\u1ebft quy\u1ebft \u0111\u1ecbnh to\u00e0n b\u1ed9 chu\u1ed7i c\u00f3 an to\u00e0n hay kh\u00f4ng. T\u00ecm mua kh\u00f3a th\u00ec d\u1ec5, nh\u01b0ng ch\u1ecdn \u0111\u00fang l\u1edbp kh\u00f3a, \u0111\u00fang c\u01a1 c\u1ea5u ch\u1ed1t cho t\u1eebng c\u00f4ng vi\u1ec7c th\u00ec kh\u00f4ng \u0111\u01a1n gi\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch c\u00e1ch \u0111\u1ecdc k\u00fd hi\u1ec7u tr\u00ean th\u00e2n kh\u00f3a, m\u1ee9c l\u1ef1c t\u1ed1i thi\u1ec3u theo t\u1eebng l\u1edbp, nh\u1eefng ki\u1ec3u l\u1eafp sai l\u00e0m m\u1ea5t t\u1ea3i v\u00e0 c\u00e1ch ki\u1ec3m tra tr\u01b0\u1edbc m\u1ed7i ca.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y b\u00e0n v\u1ec1 nh\u00f3m kh\u00f3a m\u00f3c n\u1ed1i theo chu\u1ea9n EN 362. V\u1edbi d\u00f2ng kh\u00f3a h\u00e3m tr\u01b0\u1ee3t \u0111i k\u00e8m d\u00e2y c\u1ee9u sinh d\u1ecdc \u2014 c\u01a1 c\u1ea5u kh\u00e1c h\u1eb3n \u2014 xem b\u00e0i ri\u00eang v\u1ec1 kh\u00f3a an to\u00e0n h\u00e3m tr\u01b0\u1ee3t ATC0045.<\/p>\n<h2>Kh\u00f3a B\u1ea3o H\u1ed9 N\u1eb1m \u1ede \u0110\u00e2u Trong H\u1ec7 Th\u1ed1ng Ch\u1ed1ng R\u01a1i Ng\u00e3<\/h2>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ed1ng r\u01a1i ng\u00e3 c\u00e1 nh\u00e2n \u0111\u1ea7y \u0111\u1ee7 lu\u00f4n g\u1ed3m ba kh\u1ed1i: \u0111i\u1ec3m neo \u2013 d\u00e2y n\u1ed1i (k\u00e8m b\u1ed9 h\u00e3m xung ho\u1eb7c thi\u1ebft b\u1ecb ch\u1ed1ng r\u01a1i) \u2013 \u0111ai to\u00e0n th\u00e2n tr\u00ean ng\u01b0\u1eddi. Kh\u00f3a b\u1ea3o h\u1ed9 (connector, quen g\u1ecdi l\u00e0 m\u00f3c kh\u00f3a ho\u1eb7c carabiner) ch\u00ednh l\u00e0 chi ti\u1ebft n\u1ed1i c\u00e1c kh\u1ed1i n\u00e0y l\u1ea1i v\u1edbi nhau.<\/p>\n<p><strong>M\u1ed9t l\u01b0u \u00fd an to\u00e0n r\u1ea5t quan tr\u1ecdng:<\/strong> kh\u00f3a ch\u1ed1ng r\u01a1i c\u00e1 nh\u00e2n <strong>kh\u00f4ng ph\u1ea3i<\/strong> ph\u1ee5 ki\u1ec7n d\u00f9ng \u0111\u1ec3 n\u00e2ng, c\u1ea9u hay treo v\u1eadt li\u1ec7u. Nhi\u1ec1u c\u00f4ng tr\u01b0\u1eddng v\u1eabn quen d\u00f9ng m\u00f3c b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n \u0111\u1ec3 m\u00f3c v\u1eadt t\u01b0 k\u00e9o l\u00ean cao cho ti\u1ec7n \u2013 \u0111\u00e2y l\u00e0 thao t\u00e1c sai. Thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 v\u1eadt li\u1ec7u thu\u1ed9c nh\u00f3m ph\u1ee5 ki\u1ec7n n\u00e2ng h\u1ea1 v\u1edbi h\u1ec7 s\u1ed1 an to\u00e0n v\u00e0 quy \u0111\u1ecbnh ki\u1ec3m \u0111\u1ecbnh ho\u00e0n to\u00e0n kh\u00e1c. D\u00f9ng l\u1eabn l\u1ed9n s\u1ebd l\u00e0m kh\u00f3a ch\u1ecbu t\u1ea3i sai h\u01b0\u1edbng, tr\u1ea7y x\u01b0\u1edbc th\u00e2n kh\u00f3a v\u00e0 \u00e2m th\u1ea7m ph\u00e1 h\u1ecfng thi\u1ebft b\u1ecb \u0111ang b\u1ea3o v\u1ec7 t\u00ednh m\u1ea1ng ng\u01b0\u1eddi lao \u0111\u1ed9ng.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/10\/moc-treo-bao-ho.jpg\" alt=\"M\u00f3c kh\u00f3a b\u1ea3o h\u1ed9 th\u00e2n th\u00e9p c\u00f3 c\u1ed5ng t\u1ef1 kh\u00f3a d\u00f9ng n\u1ed1i d\u00e2y \u0111ai v\u1edbi \u0111i\u1ec3m neo\" loading=\"lazy\" width=\"780\" height=\"738\" title=\"\"><\/p>\n<h2>Th\u00f4ng Tin S\u1ea3n Ph\u1ea9m Kh\u00f3a B\u1ea3o H\u1ed9 H\u00e0n Qu\u1ed1c<\/h2>\n<ul>\n<li><strong>Nh\u00f3m thi\u1ebft b\u1ecb:<\/strong> kh\u00f3a n\u1ed1i theo EN 362, kh\u00e1c nh\u00f3m kh\u00f3a h\u00e3m tr\u01b0\u1ee3t ch\u1ea1y tr\u00ean d\u00e2y neo n\u00f3i \u1edf ph\u1ea7n \u0111\u1ea7u b\u00e0i<\/li>\n<li><strong>M\u00e0u:<\/strong> \u0110en<\/li>\n<li><strong>Xu\u1ea5t x\u1ee9:<\/strong> H\u00e0n Qu\u1ed1c<\/li>\n<li><strong>C\u1ea5u t\u1ea1o:<\/strong> th\u00e2n kh\u00f3a kim lo\u1ea1i k\u00e8m c\u1ed5ng \u0111\u00f3ng m\u1edf v\u00e0 c\u01a1 c\u1ea5u kh\u00f3a c\u1ed5ng, d\u00f9ng \u0111\u1ec3 n\u1ed1i \u0111ai to\u00e0n th\u00e2n, d\u00e2y n\u1ed1i v\u00e0 \u0111i\u1ec3m neo<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng:<\/strong> l\u00e0m vi\u1ec7c tr\u00ean cao trong x\u00e2y d\u1ef1ng, l\u1eafp \u0111\u1eb7t k\u1ebft c\u1ea5u th\u00e9p, b\u1ea3o tr\u00ec c\u01a1 \u0111i\u1ec7n, v\u1ec7 sinh c\u00f4ng nghi\u1ec7p<\/li>\n<li><strong>H\u1ed3 s\u01a1 c\u1ea7n y\u00eau c\u1ea7u khi mua:<\/strong> b\u1ea3n ch\u1ee9ng nh\u1eadn theo EN 362 k\u00e8m m\u00e3 l\u00f4 v\u00e0 n\u0103m s\u1ea3n xu\u1ea5t, \u0111\u1ed1i chi\u1ebfu v\u1edbi k\u00fd hi\u1ec7u d\u1eadp tr\u00ean ch\u00ednh th\u00e2n kh\u00f3a<\/li>\n<\/ul>\n<p>M\u1ee5c cu\u1ed1i c\u00f9ng thu\u1ed9c v\u1ec1 gi\u1ea5y t\u1edd. L\u1eddi gi\u1edbi thi\u1ec7u mi\u1ec7ng &#8220;h\u00e0ng \u0111\u1ea1t chu\u1ea9n ch\u00e2u \u00c2u&#8221; kh\u00f4ng thay th\u1ebf \u0111\u01b0\u1ee3c b\u1ea3n ch\u1ee9ng nh\u1eadn c\u00f3 m\u00e3 l\u00f4, v\u00e0 m\u00e3 l\u00f4 \u0111\u00f3 ph\u1ea3i kh\u1edbp v\u1edbi con s\u1ed1 d\u1eadp tr\u00ean th\u00e2n kh\u00f3a \u0111ang c\u1ea7m tr\u00ean tay.<\/p>\n<h2>C\u00e1c Ti\u00eau Chu\u1ea9n Ch\u00e2u \u00c2u C\u1ea7n \u0110\u1ecdc Tr\u00ean Th\u00e2n Kh\u00f3a<\/h2>\n<p>Kh\u00f3a \u0111\u1ea1t chu\u1ea9n lu\u00f4n \u0111\u01b0\u1ee3c d\u1eadp ho\u1eb7c kh\u1eafc laser tr\u1ef1c ti\u1ebfp tr\u00ean th\u00e2n: t\u00ean ti\u00eau chu\u1ea9n, l\u1ef1c ph\u00e1 h\u1ee7y (kN), n\u0103m s\u1ea3n xu\u1ea5t v\u00e0 m\u00e3 l\u00f4. Nh\u00e3n gi\u1ea5y d\u00e1n ngo\u00e0i kh\u00f4ng ph\u1ea3i c\u0103n c\u1ee9 \u0111\u00e1ng tin, v\u00ec s\u1ebd bong sau v\u00e0i tu\u1ea7n s\u1eed d\u1ee5ng.<\/p>\n<h3>EN 362 \u2013 Ti\u00eau Chu\u1ea9n Cho Ch\u00ednh Chi\u1ebfc Kh\u00f3a<\/h3>\n<p>\u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n quan tr\u1ecdng nh\u1ea5t c\u1ea7n t\u00ecm. EN 362 ph\u00e2n kh\u00f3a n\u1ed1i th\u00e0nh c\u00e1c l\u1edbp theo c\u00f4ng n\u0103ng:<\/p>\n<ul>\n<li><strong>L\u1edbp B (basic):<\/strong> kh\u00f3a n\u1ed1i c\u01a1 b\u1ea3n, t\u1ef1 \u0111\u00f3ng, d\u00f9ng chung nh\u1ea5t.<\/li>\n<li><strong>L\u1edbp M (multi-use):<\/strong> kh\u00f3a \u0111a n\u0103ng, ch\u1ecbu t\u1ea3i \u0111\u01b0\u1ee3c c\u1ea3 theo tr\u1ee5c d\u1ecdc v\u00e0 tr\u1ee5c ngang.<\/li>\n<li><strong>L\u1edbp T (termination):<\/strong> kh\u00f3a \u0111\u1ea7u cu\u1ed1i, thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea3i lu\u00f4n \u0111\u1eb7t \u0111\u00fang m\u1ed9t h\u01b0\u1edbng \u0111\u1ecbnh tr\u01b0\u1edbc.<\/li>\n<li><strong>L\u1edbp A (anchor):<\/strong> kh\u00f3a chuy\u00ean d\u00f9ng \u0111\u1ec3 g\u1eafn v\u00e0o \u0111i\u1ec3m neo c\u00f3 h\u00ecnh d\u1ea1ng x\u00e1c \u0111\u1ecbnh.<\/li>\n<li><strong>L\u1edbp Q (screwlink):<\/strong> m\u00f3c v\u1eb7n ren, d\u00f9ng cho c\u00e1c k\u1ebft n\u1ed1i l\u00e2u d\u00e0i \u00edt th\u00e1o l\u1eafp; ph\u1ea3i v\u1eb7n ren k\u00edn ho\u00e0n to\u00e0n m\u1edbi \u0111\u1ee7 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i thi\u1ebft k\u1ebf.<\/li>\n<\/ul>\n<h3>C\u00e1c Ti\u00eau Chu\u1ea9n \u0110i K\u00e8m Trong C\u1ea3 B\u1ed9<\/h3>\n<ul>\n<li><strong>EN 361:<\/strong> \u0111ai an to\u00e0n to\u00e0n th\u00e2n \u2013 b\u1ed9 ph\u1eadn duy nh\u1ea5t \u0111\u01b0\u1ee3c ph\u00e9p ch\u1ecbu l\u1ef1c h\u00e3m khi ng\u01b0\u1eddi r\u01a1i.<\/li>\n<li><strong>EN 355:<\/strong> b\u1ed9 h\u00e3m xung (d\u00e2y ch\u1ed1ng s\u1ed1c), gi\u1edbi h\u1ea1n l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean c\u01a1 th\u1ec3 \u1edf m\u1ee9c t\u1ed1i \u0111a 6 kN khi th\u1eed r\u01a1i.<\/li>\n<li><strong>EN 353-2:<\/strong> thi\u1ebft b\u1ecb ch\u1ed1ng r\u01a1i ki\u1ec3u di \u0111\u1ed9ng tr\u00ean d\u00e2y neo m\u1ec1m \u2013 lo\u1ea1i \u201cch\u1ea1y theo d\u00e2y\u201d khi leo thang, t\u1ef1 h\u00e3m khi c\u00f3 gia t\u1ed1c r\u01a1i.<\/li>\n<li><strong>EN 360:<\/strong> d\u00e2y c\u1ee9u sinh t\u1ef1 co (d\u00e2y rulo), qu\u00e3ng h\u00e3m ng\u1eafn, r\u1ea5t ph\u00f9 h\u1ee3p khi kh\u00f4ng gian r\u01a1i b\u1ecb h\u1ea1n ch\u1ebf.<\/li>\n<li><strong>EN 12841:<\/strong> thi\u1ebft b\u1ecb \u0111i\u1ec1u ch\u1ec9nh d\u00e2y trong h\u1ec7 ti\u1ebfp c\u1eadn b\u1eb1ng d\u00e2y, chia lo\u1ea1i A (ch\u1ed1ng r\u01a1i tr\u00ean d\u00e2y an to\u00e0n), lo\u1ea1i B (leo l\u00ean d\u00e2y c\u00f4ng t\u00e1c) v\u00e0 lo\u1ea1i C (\u0111i xu\u1ed1ng d\u00e2y c\u00f4ng t\u00e1c).<\/li>\n<li><strong>EN 795:<\/strong> \u0111i\u1ec3m neo \u2013 chi ti\u1ebft hay b\u1ecb b\u1ecf qu\u00ean nh\u1ea5t, d\u00f9 kh\u00f3a t\u1ed1t \u0111\u1ebfn m\u1ea5y m\u00e0 neo v\u00e0o lan can y\u1ebfu th\u00ec c\u1ea3 h\u1ec7 v\u1eabn v\u00f4 ngh\u0129a.<\/li>\n<\/ul>\n<h2>L\u1ef1c T\u1ed1i Thi\u1ec3u Theo T\u1eebng L\u1edbp Kh\u00f3a<\/h2>\n<p>Con s\u1ed1 kN d\u1eadp tr\u00ean th\u00e2n kh\u00f3a l\u00e0 l\u1ef1c t\u0129nh t\u1ed1i thi\u1ec3u m\u00e0 l\u1edbp kh\u00f3a \u0111\u00f3 ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c trong ph\u00e9p th\u1eed. B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ee9c t\u1ed1i thi\u1ec3u theo EN 362, do ph\u00f2ng th\u1eed nghi\u1ec7m SATRA c\u00f4ng b\u1ed1; nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 c\u00f4ng b\u1ed1 m\u1ee9c cao h\u01a1n nh\u01b0ng ph\u1ea3i ch\u1ee9ng minh \u0111\u01b0\u1ee3c.<\/p>\n<table>\n<thead>\n<tr>\n<th>L\u1edbp kh\u00f3a<\/th>\n<th>Tr\u1ee5c d\u1ecdc, c\u1ed5ng \u0111\u00f3ng ch\u01b0a kh\u00f3a<\/th>\n<th>Tr\u1ee5c d\u1ecdc, c\u1ed5ng \u0111\u00f3ng \u0111\u00e3 kh\u00f3a<\/th>\n<th>Tr\u1ee5c ngang, c\u1ed5ng \u0111\u00f3ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1edbp B<\/td>\n<td>15 kN<\/td>\n<td>20 kN<\/td>\n<td>7 kN<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp M<\/td>\n<td>15 kN<\/td>\n<td>20 kN<\/td>\n<td>15 kN<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp T<\/td>\n<td>15 kN<\/td>\n<td>20 kN<\/td>\n<td>kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp A<\/td>\n<td>15 kN<\/td>\n<td>20 kN<\/td>\n<td>kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp Q<\/td>\n<td>kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<td>25 kN<\/td>\n<td>10 kN<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Ba con s\u1ed1 c\u1ea7n \u0111\u1ecdc k\u00e8m b\u1ea3ng tr\u00ean. Kho\u1ea3ng c\u00e1ch gi\u1eefa 7 kN v\u00e0 15 kN \u1edf tr\u1ee5c ngang ch\u00ednh l\u00e0 l\u00fd do l\u1edbp B kh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng \u1edf v\u1ecb tr\u00ed c\u00f3 th\u1ec3 b\u1ecb t\u1ea3i l\u1ec7ch ngang. C\u1ed5ng kh\u00f3a c\u00f2n ph\u1ea3i m\u1edf, \u0111\u00f3ng v\u00e0 kh\u00f3a l\u1ea1i \u0111\u01b0\u1ee3c sau khi th\u00e2n kh\u00f3a \u0111\u00e3 ch\u1ecbu t\u1ea3i 6 kN trong m\u01b0\u1eddi gi\u00e2y. Ri\u00eang l\u1edbp Q ch\u1ec9 c\u00f3 gi\u00e1 tr\u1ecb ch\u1ecbu t\u1ea3i khi ren \u0111\u00e3 v\u1eb7n k\u00edn, v\u00e0 ti\u00eau chu\u1ea9n y\u00eau c\u1ea7u t\u1ed1i thi\u1ec3u b\u1ed1n v\u00f2ng ren \u0111\u1ea7y \u0111\u1ee7 t\u00ednh t\u1eeb v\u1ecb tr\u00ed v\u1eb7n k\u00edn t\u1edbi l\u00fac tu\u1ed9t ren.<\/p>\n<p>B\u1ea3n so s\u00e1nh \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ph\u00e9p th\u1eed c\u1ed5ng v\u00e0 ph\u00e9p th\u1eed \u0103n m\u00f2n \u0111\u01b0\u1ee3c SATRA c\u00f4ng b\u1ed1 trong <a href=\"https:\/\/www.satra.com\/ppe\/EN362.php\" target=\"_blank\" rel=\"noopener nofollow\">trang t\u00f3m t\u1eaft EN 362<\/a>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/01\/day-dai-an-toan-bao-ho-toan-than-2-moc-lon-atc0097.jpg\" alt=\"B\u1ed9 d\u00e2y \u0111ai to\u00e0n th\u00e2n hai m\u00f3c l\u1edbn d\u00f9ng khi di chuy\u1ec3n li\u00ean t\u1ee5c tr\u00ean gi\u00e0n gi\u00e1o\" loading=\"lazy\" width=\"600\" height=\"579\" title=\"\"><\/p>\n<h2>Ph\u00e2n Lo\u1ea1i Kh\u00f3a Theo C\u01a1 C\u1ea5u \u0110\u00f3ng M\u1edf<\/h2>\n<h3>B\u1ed1n Ki\u1ec3u C\u01a1 C\u1ea5u C\u1ed5ng Th\u01b0\u1eddng G\u1eb7p<\/h3>\n<ul>\n<li><strong>Kh\u00f3a ren v\u1eb7n tay:<\/strong> gi\u00e1 t\u1ed1t, ch\u1eafc ch\u1eafn, nh\u01b0ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng c\u00f3 nh\u1edb v\u1eb7n k\u00edn hay kh\u00f4ng. Ph\u00f9 h\u1ee3p cho \u0111i\u1ec3m n\u1ed1i \u00edt th\u00e1o l\u1eafp trong ca.<\/li>\n<li><strong>Kh\u00f3a t\u1ef1 kh\u00f3a hai thao t\u00e1c:<\/strong> ph\u1ea3i v\u1eeba xoay v\u1eeba \u1ea5n m\u1edbi m\u1edf \u0111\u01b0\u1ee3c, t\u1ef1 \u0111\u00f3ng l\u1ea1i khi bu\u00f4ng tay \u2013 an to\u00e0n h\u01a1n h\u1eb3n lo\u1ea1i ren v\u00ec kh\u00f4ng ph\u1ee5 thu\u1ed9c tr\u00ed nh\u1edb ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>Kh\u00f3a t\u1ef1 kh\u00f3a ba thao t\u00e1c:<\/strong> m\u1ee9c an to\u00e0n cao nh\u1ea5t, g\u1ea7n nh\u01b0 kh\u00f4ng th\u1ec3 m\u1edf ngo\u00e0i \u00fd mu\u1ed1n do va \u0111\u1eadp hay c\u1ecd v\u00e0o k\u1ebft c\u1ea5u. \u0110\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00f4ng vi\u1ec7c treo m\u00ecnh d\u00e0i gi\u1edd.<\/li>\n<li><strong>M\u00f3c l\u1edbn (m\u00f3c c\u1ea3 t\u1ea3o, scaffold hook):<\/strong> mi\u1ec7ng m\u1edf r\u1ed9ng \u0111\u1ec3 \u00f4m tr\u1ef1c ti\u1ebfp \u1ed1ng gi\u00e0n gi\u00e1o, thanh k\u1ebft c\u1ea5u m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec3m neo ri\u00eang.<\/li>\n<\/ul>\n<h3>Ch\u1ecdn Kh\u00f3a Theo \u0110\u1eb7c Th\u00f9 C\u00f4ng Vi\u1ec7c<\/h3>\n<ul>\n<li><strong>Gi\u00e0n gi\u00e1o, k\u1ebft c\u1ea5u th\u00e9p:<\/strong> \u01b0u ti\u00ean m\u00f3c l\u1edbn m\u1edf r\u1ed9ng \u0111\u1ec3 \u00f4m \u0111\u01b0\u1ee3c \u1ed1ng th\u00e9p \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, k\u1ebft h\u1ee3p d\u00e2y hai m\u00f3c \u0111\u1ec3 lu\u00f4n c\u00f3 m\u1ed9t \u0111\u1ea7u \u0111ang neo khi di chuy\u1ec3n.<\/li>\n<li><strong>\u0110i\u1ec7n l\u1ef1c:<\/strong> tr\u00e1nh chi ti\u1ebft kim lo\u1ea1i th\u1eeba, ki\u1ec3m tra k\u1ef9 y\u00eau c\u1ea7u c\u00e1ch \u0111i\u1ec7n c\u1ee7a \u0111\u01a1n v\u1ecb v\u1eadn h\u00e0nh tr\u01b0\u1edbc khi ch\u1ecdn v\u1eadt li\u1ec7u kh\u00f3a.<\/li>\n<li><strong>M\u00f4i tr\u01b0\u1eddng bi\u1ec3n, \u0111\u00f3ng t\u00e0u, h\u00f3a ch\u1ea5t:<\/strong> ch\u1ecdn kh\u00f3a th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00f3 l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n; kh\u00f3a th\u00e9p m\u1ea1 th\u00f4ng th\u01b0\u1eddng xu\u1ed1ng c\u1ea5p r\u1ea5t nhanh trong h\u01a1i m\u1eb7n.<\/li>\n<li><strong>Leo thang, tr\u1ee5c \u0111\u1ee9ng:<\/strong> d\u00f9ng thi\u1ebft b\u1ecb ch\u1ed1ng r\u01a1i di \u0111\u1ed9ng chu\u1ea9n EN 353-2 thay v\u00ec ch\u1ec9 d\u00f9ng d\u00e2y m\u00f3c th\u1ee7 c\u00f4ng.<\/li>\n<\/ul>\n<p>Kh\u00f3a ch\u1ec9 ph\u00e1t huy t\u00e1c d\u1ee5ng khi \u0111\u01b0\u1ee3c gh\u00e9p \u0111\u00fang v\u1edbi <a href=\"https:\/\/www.baohoxanh.com\/day-dai-an-toan\">d\u00e2y \u0111ai an to\u00e0n<\/a> to\u00e0n th\u00e2n v\u00e0 d\u00e2y ch\u1ed1ng s\u1ed1c ph\u00f9 h\u1ee3p. C\u00e1c d\u00f2ng <a href=\"https:\/\/www.baohoxanh.com\/day-dai-han-quoc\">d\u00e2y \u0111ai H\u00e0n Qu\u1ed1c<\/a> th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u00e1n theo b\u1ed9 \u0111\u1ed3ng b\u1ed9 s\u1eb5n c\u1ea3 \u0111ai, d\u00e2y v\u00e0 m\u00f3c \u2013 c\u00e1ch mua n\u00e0y gi\u00fap tr\u00e1nh t\u00ecnh tr\u1ea1ng gh\u00e9p l\u1eabn thi\u1ebft b\u1ecb kh\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t, kh\u00e1c ti\u00eau chu\u1ea9n.<\/p>\n<h2>T\u00e1m Ki\u1ec3u L\u1eafp Sai L\u00e0m Kh\u00f3a M\u1ea5t T\u1ea3i<\/h2>\n<p>Kh\u00f3a h\u1ecfng v\u00ec l\u1eafp sai nhi\u1ec1u h\u01a1n v\u00ec k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng. T\u00e1m t\u00ecnh hu\u1ed1ng d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec1u l\u00e0m l\u1ef1c ph\u00e1 h\u1ee7y th\u1ef1c t\u1ebf t\u1ee5t xu\u1ed1ng d\u01b0\u1edbi con s\u1ed1 d\u1eadp tr\u00ean th\u00e2n, v\u00e0 kh\u00f4ng t\u00ecnh hu\u1ed1ng n\u00e0o \u0111\u1ec3 l\u1ea1i d\u1ea5u v\u1ebft nh\u00ecn th\u1ea5y tr\u01b0\u1edbc khi s\u1ef1 c\u1ed1 x\u1ea3y ra.<\/p>\n<ol>\n<li><strong>Th\u1eaft n\u00fat th\u00f2ng l\u1ecdng d\u00e2y qua ch\u00ednh chi\u1ebfc kh\u00f3a.<\/strong> T\u1ea3i \u0111\u1eb7t t\u1eeb trong ra ngo\u00e0i, \u0111\u1ea9y c\u1ed5ng b\u1eadt m\u1edf.<\/li>\n<li><strong>C\u1ed5ng kh\u00f4ng th\u1ec3 \u0111\u00f3ng v\u00ec h\u00ecnh d\u1ea1ng \u0111i\u1ec3m neo.<\/strong> Kh\u00f3a h\u1edf c\u1ed5ng m\u1ea5t ph\u1ea7n l\u1edbn l\u1ef1c v\u00e0 c\u00f3 th\u1ec3 tu\u1ed9t kh\u1ecfi neo.<\/li>\n<li><strong>Kh\u00f3a kh\u00f4ng xoay t\u1ef1 do trong \u0111i\u1ec3m neo.<\/strong> Khi c\u00f3 c\u00fa r\u01a1i, kh\u00f3a kh\u00f4ng k\u1ecbp t\u1ef1 xoay v\u1ec1 \u0111\u00fang h\u01b0\u1edbng t\u1ea3i.<\/li>\n<li><strong>\u0110\u1ea7u d\u00e2y neo t\u00ec l\u00ean c\u01a1 c\u1ea5u c\u1ed5ng.<\/strong> \u0110\u00e2y l\u00e0 t\u1ea3i l\u1ec7ch ngang; c\u1ed5ng v\u1ed1n l\u00e0 ch\u1ed7 y\u1ebfu nh\u1ea5t c\u1ee7a kh\u00f3a.<\/li>\n<li><strong>Kh\u00f3a v\u1eaft qua c\u1ea1nh k\u1ebft c\u1ea5u.<\/strong> Khi b\u1ecb u\u1ed1n qua c\u1ea1nh d\u01b0\u1edbi t\u1ea3i \u0111\u1ed9ng, \u1ee9ng su\u1ea5t d\u1ed3n v\u00e0o \u0111\u00fang ch\u1ed7 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu.<\/li>\n<li><strong>Kh\u00f3a t\u00ec v\u00e0o c\u1ea1nh nh\u00e1m.<\/strong> Chuy\u1ec3n \u0111\u1ed9ng qua l\u1ea1i nh\u01b0 l\u01b0\u1ee1i c\u01b0a c\u1eaft d\u1ea7n v\u00e0o th\u00e2n kh\u00f3a; ngo\u00e0i ra kh\u00f4ng d\u00f9ng kh\u00f3a nh\u00f4m tr\u00ean \u0111i\u1ec3m neo th\u00e9p.<\/li>\n<li><strong>B\u1ec1 r\u1ed9ng \u0111i\u1ec3m neo ho\u1eb7c b\u1ea3n d\u00e2y sai.<\/strong> Ph\u00e9p th\u1eed k\u00e9o gi\u1eefa hai ch\u1ed1t \u0111\u01b0\u1eddng k\u00ednh m\u01b0\u1eddi hai milim\u00e9t; khi d\u00f9ng b\u1ea3n d\u1ec7t b\u1ea3n r\u1ed9ng ho\u1eb7c neo qu\u00e1 to, l\u1ef1c d\u1ed3n sang ph\u00eda c\u1ed5ng v\u00e0 l\u1ef1c ph\u00e1 h\u1ee7y c\u00f3 th\u1ec3 gi\u1ea3m t\u1edbi b\u1ed1n m\u01b0\u01a1i l\u0103m ph\u1ea7n tr\u0103m.<\/li>\n<li><strong>T\u1ea3i ba h\u01b0\u1edbng c\u00f9ng l\u00fac.<\/strong> Tr\u1eeb khi kh\u00f3a \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho vi\u1ec7c \u0111\u00f3, t\u1ea3i ba h\u01b0\u1edbng d\u1ed3n \u1ee9ng su\u1ea5t l\u00ean ph\u00eda c\u1ed5ng \u0111\u00fang nh\u01b0 tr\u01b0\u1eddng h\u1ee3p tr\u00ean.<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2016\/10\/day-an-toan-ban-than-1-moc-sat-kukjie-han-quoc.jpg\" alt=\"D\u00e2y an to\u00e0n b\u00e1n th\u00e2n m\u1ed9t m\u00f3c s\u1eaft H\u00e0n Qu\u1ed1c d\u00f9ng cho v\u1ecb tr\u00ed \u0111\u1ee9ng c\u1ed1 \u0111\u1ecbnh\" loading=\"lazy\" width=\"500\" height=\"500\" title=\"\"><\/p>\n<p>Ri\u00eang hi\u1ec7n t\u01b0\u1ee3ng c\u1ed5ng b\u1eadt m\u1edf ngo\u00e0i \u00fd mu\u1ed1n c\u00f3 hai nguy\u00ean nh\u00e2n \u0111i\u1ec3n h\u00ecnh: d\u00e2y tr\u01b0\u1ee3t qua \u0111\u1ec9nh c\u1ed5ng lo\u1ea1i ch\u1ed1t xoay, v\u00e0 ch\u1ed1t an to\u00e0n c\u1ee7a m\u00f3c hai thao t\u00e1c b\u1ecb t\u00ec v\u00e0o ng\u01b0\u1eddi ho\u1eb7c v\u00e0o k\u1ebft c\u1ea5u. Ch\u1ecdn \u0111\u00fang c\u01a1 c\u1ea5u c\u1ed5ng cho v\u1ecb tr\u00ed l\u1eafp l\u00e0 c\u00e1ch x\u1eed l\u00fd g\u1ed1c, kh\u00f4ng ph\u1ea3i nh\u1eafc nh\u1edf ng\u01b0\u1eddi d\u00f9ng c\u1ea9n th\u1eadn h\u01a1n.<\/p>\n<h2>Ki\u1ec3m Tra Tr\u01b0\u1edbc M\u1ed7i Ca, B\u1ea3o Qu\u1ea3n V\u00e0 Th\u1eddi \u0110i\u1ec3m Ph\u1ea3i Lo\u1ea1i B\u1ecf<\/h2>\n<p>Ng\u01b0\u1eddi tr\u1ef1c ti\u1ebfp s\u1eed d\u1ee5ng ph\u1ea3i t\u1ef1 ki\u1ec3m tra kh\u00f3a tr\u01b0\u1edbc khi l\u00ean cao, m\u1ea5t kho\u1ea3ng ba m\u01b0\u01a1i gi\u00e2y. Treo kh\u00f3a v\u00e0o m\u1ed9t \u0111i\u1ec3m neo cho n\u00f3 r\u1ee7 th\u1eb3ng \u0111\u1ee9ng r\u1ed3i l\u00e0m l\u1ea7n l\u01b0\u1ee3t:<\/p>\n<ul>\n<li>Bu\u00f4ng tay xem c\u1ed5ng kh\u00f3a c\u00f3 t\u1ef1 \u0111\u00f3ng d\u1ee9t kho\u00e1t v\u00e0 ch\u1ed1t c\u00e0i \u0103n kh\u1edbp ho\u00e0n to\u00e0n hay kh\u00f4ng.<\/li>\n<li>Quan s\u00e1t th\u00e2n kh\u00f3a t\u00ecm v\u1ebft n\u1ee9t, m\u00f3p, bi\u1ebfn d\u1ea1ng, m\u00f2n l\u00f5m t\u1ea1i \u0111i\u1ec3m ti\u1ebfp x\u00fac; k\u00fd hi\u1ec7u tr\u00ean th\u00e2n c\u00f2n \u0111\u1ecdc \u0111\u01b0\u1ee3c hay \u0111\u00e3 m\u1edd h\u1ebft.<\/li>\n<li>Xoay ren ki\u1ec3m tra c\u00f3 s\u1ea1n, k\u1eb9t, gh\u1ec9 \u0103n s\u00e2u v\u00e0o r\u00e3nh ren kh\u00f4ng; xoay \u1ed1ng kh\u00f3a xem c\u00f3 b\u1eadt v\u1ec1 v\u1ecb tr\u00ed c\u0169 khi bu\u00f4ng tay.<\/li>\n<li>Ki\u1ec3m tra l\u00f2 xo h\u1ed3i c\u1ed5ng \u2013 c\u1ed5ng \u0111\u00f3ng ch\u1eadm, y\u1ebfu l\u00e0 d\u1ea5u hi\u1ec7u ph\u1ea3i thay.<\/li>\n<li>Ki\u1ec3m tra kh\u00f3a c\u00f3 xoay t\u1ef1 do theo h\u01b0\u1edbng t\u1ea3i d\u1ef1 ki\u1ebfn hay b\u1ecb k\u1eb9t c\u1ee9ng v\u00e0o \u0111i\u1ec3m neo.<\/li>\n<\/ul>\n<p>B\u00ean c\u1ea1nh ph\u00e9p ki\u1ec3m tr\u01b0\u1edbc ca do ch\u00ednh ng\u01b0\u1eddi d\u00f9ng l\u00e0m, c\u00f2n hai l\u1edbp ki\u1ec3m tra n\u1eefa: ki\u1ec3m tra chi ti\u1ebft do ng\u01b0\u1eddi c\u00f3 n\u0103ng l\u1ef1c th\u1ef1c hi\u1ec7n v\u00e0 ghi h\u1ed3 s\u01a1, th\u01b0\u1eddng theo chu k\u1ef3 ba th\u00e1ng; v\u00e0 ki\u1ec3m tra b\u1ed5 sung gi\u1eefa k\u1ef3 cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t nh\u01b0 ngo\u00e0i kh\u01a1i, phun c\u00e1t, s\u01a1n, axit ho\u1eb7c ki\u1ec1m. K\u1ebft qu\u1ea3 c\u1ea3 hai l\u1edbp \u0111\u1ec1u ph\u1ea3i l\u01b0u l\u1ea1i.<\/p>\n<p><strong>Lo\u1ea1i b\u1ecf ngay, kh\u00f4ng s\u1eeda ch\u1eefa<\/strong> khi: kh\u00f3a \u0111\u00e3 t\u1eebng ch\u1ecbu m\u1ed9t c\u00fa r\u01a1i th\u1eadt (d\u00f9 nh\u00ecn b\u00ean ngo\u00e0i v\u1eabn nguy\u00ean v\u1eb9n), c\u00f3 v\u1ebft n\u1ee9t d\u00f9 nh\u1ecf, bi\u1ebfn d\u1ea1ng c\u1ed5ng, kh\u00f4ng c\u00f2n \u0111\u1ecdc \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u ti\u00eau chu\u1ea9n, ho\u1eb7c b\u1ecb \u0103n m\u00f2n r\u1ed7. Kh\u00f3a \u0111\u00e3 lo\u1ea1i n\u00ean \u0111\u01b0\u1ee3c ph\u00e1 h\u1ecfng v\u1eadt l\u00fd tr\u01b0\u1edbc khi b\u1ecf \u0111\u1ec3 kh\u00f4ng ai nh\u1eb7t l\u1ea1i d\u00f9ng ti\u1ebfp.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.baohoxanh.com\/blog\/wp-content\/uploads\/2017\/05\/day-dai-an-toan-toan-than.jpg\" alt=\"D\u00e2y \u0111ai an to\u00e0n to\u00e0n th\u00e2n c\u00f3 b\u1ea3n \u0111\u00f9i v\u00e0 \u0111i\u1ec3m m\u00f3c sau l\u01b0ng chu\u1ea9n ch\u1ed1ng r\u01a1i\" loading=\"lazy\" width=\"500\" height=\"551\" title=\"\"><\/p>\n<p>V\u1ec1 b\u1ea3o qu\u1ea3n: c\u1ea5t n\u01a1i kh\u00f4, tho\u00e1ng, tr\u00e1nh \u0111\u1ec3 l\u1eabn v\u1edbi d\u1ee5ng c\u1ee5 c\u00f3 c\u1ea1nh s\u1eafc ho\u1eb7c h\u00f3a ch\u1ea5t. L\u00e0m s\u1ea1ch b\u1eb1ng dung d\u1ecbch nh\u1eb9 kh\u00f4ng \u0103n m\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng qu\u00e1 b\u1ed1n m\u01b0\u01a1i \u0111\u1ed9, lau b\u1edbt n\u01b0\u1edbc r\u1ed3i \u0111\u1ec3 kh\u00f4 t\u1ef1 nhi\u00ean; ri\u00eang m\u00f4i tr\u01b0\u1eddng bi\u1ec3n th\u00ec r\u1eeda sau m\u1ed7i l\u1ea7n d\u00f9ng. Kh\u00f4ng b\u00f4i d\u1ea7u m\u1ee1 \u0111\u1eb7c v\u00e0o ren v\u00ec s\u1ebd h\u00fat b\u1ee5i c\u00e1t l\u00e0m k\u1eb9t; ch\u1ec9 d\u00f9ng d\u1ea7u b\u00f4i tr\u01a1n lo\u00e3ng cho ch\u1ed1t v\u00e0 l\u00f2 xo.<\/p>\n<p>Khi trang b\u1ecb cho \u0111\u1ed9i th\u1ee3, n\u00ean \u0111\u00e1nh s\u1ed1 ID t\u1eebng kh\u00f3a v\u00e0 l\u1eadp s\u1ed5 theo d\u00f5i ng\u00e0y \u0111\u01b0a v\u00e0o d\u00f9ng, l\u1ecbch ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 v\u00e0 ng\u00e0y lo\u1ea1i b\u1ecf. Nh\u00e0 th\u1ea7u th\u01b0\u1eddng mua g\u1ed9p kh\u00f3a c\u00f9ng c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong nh\u00f3m <a href=\"https:\/\/www.baohoxanh.com\/an-toan-tren-cao\">an to\u00e0n tr\u00ean cao<\/a> \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 ti\u00eau chu\u1ea9n v\u00e0 g\u1ecdn h\u1ed3 s\u01a1 nghi\u1ec7m thu, k\u00e8m theo <a href=\"https:\/\/www.baohoxanh.com\/mu-bao-ho\">m\u0169 b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng<\/a> c\u00f3 quai c\u1eb1m \u2013 b\u1eaft bu\u1ed9c khi l\u00e0m vi\u1ec7c tr\u00ean cao \u0111\u1ec3 m\u0169 kh\u00f4ng r\u01a1i xu\u1ed1ng ng\u01b0\u1eddi b\u00ean d\u01b0\u1edbi.<\/p>\n<h2>Kh\u00f3a R\u01a1i, Kh\u00f3a H\u1ebft H\u1ea1n V\u00e0 Kh\u00f3a Mua \u1ede Shop Th\u1ec3 Thao<\/h2>\n<h3>Kh\u00f3a Leo N\u00fai B\u00e1n \u1ede Shop Th\u1ec3 Thao C\u00f3 D\u00f9ng \u0110\u01b0\u1ee3c Cho C\u00f4ng Tr\u01b0\u1eddng Kh\u00f4ng?<\/h3>\n<p>Ch\u1ec9 d\u00f9ng \u0111\u01b0\u1ee3c khi tr\u00ean th\u00e2n c\u00f3 k\u00fd hi\u1ec7u ti\u00eau chu\u1ea9n b\u1ea3o h\u1ed9 lao \u0111\u1ed9ng v\u00e0 tr\u1ecb s\u1ed1 kN r\u00f5 r\u00e0ng. R\u1ea5t nhi\u1ec1u m\u00f3c kh\u00f3a b\u00e1n theo ki\u1ec3u ph\u1ee5 ki\u1ec7n th\u1eddi trang, m\u00f3c ch\u00eca kh\u00f3a hay m\u00f3c treo ba l\u00f4 c\u00f3 h\u00ecnh d\u1ea1ng gi\u1ed1ng h\u1ec7t nh\u01b0ng kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng ng\u01b0\u1eddi \u2013 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng d\u00f9ng.<\/p>\n<h3>Kh\u00f3a B\u1ea3o H\u1ed9 C\u00f3 H\u1ea1n S\u1eed D\u1ee5ng Kh\u00f4ng?<\/h3>\n<p>Chi ti\u1ebft kim lo\u1ea1i b\u1ec1n h\u01a1n ph\u1ea7n d\u00e2y d\u1ec7t nhi\u1ec1u, nh\u01b0ng v\u1eabn ph\u1ea3i theo khuy\u1ebfn c\u00e1o c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t in tr\u00ean th\u00e2n ho\u1eb7c t\u1edd h\u01b0\u1edbng d\u1eabn \u0111i k\u00e8m, k\u1ebft h\u1ee3p k\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3. D\u00e2y \u0111ai v\u00e0 d\u00e2y ch\u1ed1ng s\u1ed1c th\u01b0\u1eddng ph\u1ea3i thay tr\u01b0\u1edbc kh\u00f3a.<\/p>\n<h3>M\u1ed9t Ng\u01b0\u1eddi C\u1ea7n Bao Nhi\u00eau M\u00f3c?<\/h3>\n<p>V\u1edbi c\u00f4ng vi\u1ec7c ph\u1ea3i di chuy\u1ec3n li\u00ean t\u1ee5c tr\u00ean cao, n\u00ean d\u00f9ng d\u00e2y hai m\u00f3c \u0111\u1ec3 lu\u00f4n gi\u1eef nguy\u00ean t\u1eafc \u201cm\u1ed9t \u0111\u1ea7u lu\u00f4n \u0111ang neo\u201d khi chuy\u1ec3n \u0111i\u1ec3m. Ch\u1ec9 d\u00f9ng m\u1ed9t m\u00f3c khi \u0111\u1ee9ng c\u1ed1 \u0111\u1ecbnh m\u1ed9t v\u1ecb tr\u00ed su\u1ed1t ca.<\/p>\n<h3>Kh\u00f3a B\u1ecb R\u01a1i T\u1eeb Tr\u00ean Cao Xu\u1ed1ng N\u1ec1n B\u00ea T\u00f4ng C\u00f3 C\u00f2n D\u00f9ng \u0110\u01b0\u1ee3c?<\/h3>\n<p>N\u00ean lo\u1ea1i b\u1ecf. V\u1ebft n\u1ee9t vi m\u00f4 do va \u0111\u1eadp m\u1ea1nh kh\u00f4ng nh\u00ecn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng nh\u01b0ng l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i, v\u00e0 chi\u1ebfc kh\u00f3a s\u1ebd h\u1ecfng \u0111\u00fang v\u00e0o l\u00fac c\u1ea7n n\u00f3 nh\u1ea5t.<\/p>\n<h3>Kh\u00f3a L\u1edbp B V\u00e0 L\u1edbp M Kh\u00e1c Nhau \u1ede \u0110i\u1ec3m N\u00e0o Khi Mua?<\/h3>\n<p>Kh\u00e1c \u1edf kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i theo tr\u1ee5c ngang: l\u1edbp B ch\u1ec9 c\u1ea7n \u0111\u1ea1t 7 kN c\u00f2n l\u1edbp M ph\u1ea3i \u0111\u1ea1t 15 kN. V\u1ecb tr\u00ed n\u00e0o m\u00e0 kh\u00f3a c\u00f3 th\u1ec3 b\u1ecb v\u1eb7n ngang trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c th\u00ec ph\u1ea3i d\u00f9ng l\u1edbp M, kh\u00f4ng thay b\u1eb1ng l\u1edbp B cho r\u1ebb.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 ch\u1ecdn, d\u00f9ng, b\u1ea3o qu\u1ea3n v\u00e0 ki\u1ec3m tra kh\u00f3a n\u1ed1i \u0111\u01b0\u1ee3c Work at Height Safety Association tr\u00ecnh b\u00e0y trong <a href=\"http:\/\/wahsa.org.uk\/wp-content\/uploads\/2015\/07\/WAHSA-TGN09-Guidance-on-the-selection-use-maintenance-and-inspection-of-connectors.pdf\" target=\"_blank\" rel=\"noopener nofollow\">t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt s\u1ed1 9<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kh\u00f3a b\u1ea3o h\u1ed9 H\u00e0n Qu\u1ed1c l\u00e0 m\u1eaft x\u00edch n\u1ed1i gi\u1eefa ng\u01b0\u1eddi lao \u0111\u1ed9ng v\u00e0 \u0111i\u1ec3m neo khi l\u00e0m vi\u1ec7c tr\u00ean cao \u2013 nh\u1ecf nh\u1ea5t trong c\u1ea3 h\u1ec7 th\u1ed1ng ch\u1ed1ng r\u01a1i ng\u00e3 nh\u01b0ng l\u1ea1i l\u00e0 chi ti\u1ebft quy\u1ebft \u0111\u1ecbnh to\u00e0n b\u1ed9 chu\u1ed7i c\u00f3 an to\u00e0n hay kh\u00f4ng. T\u00ecm mua kh\u00f3a th\u00ec d\u1ec5, nh\u01b0ng ch\u1ecdn \u0111\u00fang l\u1edbp&#8230;<\/p>\n","protected":false},"author":969,"featured_media":12284,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6934],"tags":[1770,1772],"class_list":["post-18621","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-xoa-gsc","tag-khoa-an-toan","tag-khoa-bao-ho-han-quoc"],"_links":{"self":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/18621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/users\/969"}],"replies":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/comments?post=18621"}],"version-history":[{"count":16,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/18621\/revisions"}],"predecessor-version":[{"id":95344,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/posts\/18621\/revisions\/95344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media\/12284"}],"wp:attachment":[{"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/media?parent=18621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/categories?post=18621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.baohoxanh.com\/blog\/wp-json\/wp\/v2\/tags?post=18621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}