{"id":9499,"date":"2025-09-29T14:27:28","date_gmt":"2025-09-29T07:27:28","guid":{"rendered":"https:\/\/dufago.com.vn\/?p=9499"},"modified":"2026-01-08T13:35:26","modified_gmt":"2026-01-08T06:35:26","slug":"thao-cop-pha-tieu-chuan-thoi-gian-thao-dung-cho-san-dam-cot","status":"publish","type":"post","link":"https:\/\/dufago.com.vn\/en\/thao-cop-pha-tieu-chuan-thoi-gian-thao-dung-cho-san-dam-cot\/","title":{"rendered":"Th\u00e1o c\u1ed1p pha: Ti\u00eau chu\u1ea9n & th\u1eddi gian th\u00e1o \u0111\u00fang cho s\u00e0n, d\u1ea7m, c\u1ed9t"},"content":{"rendered":"

Th\u00e1o c\u1ed1p pha (hay c\u00f2n g\u1ecdi l\u00e0 th\u00e1o v\u00e1n khu\u00f4n) l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng \u0111o\u1ea1n then ch\u1ed1t, quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 b\u1ec1n v\u00e0 ti\u1ebfn \u0111\u1ed9 c\u1ee7a m\u1ecdi c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng. N\u1ebfu th\u00e1o d\u1ee1 qu\u00e1 s\u1edbm, c\u00f4ng tr\u00ecnh c\u00f3 nguy c\u01a1 n\u1ee9t v\u1ee1, th\u1eadm ch\u00ed s\u1ee5p \u0111\u1ed5; c\u00f2n n\u1ebfu qu\u00e1 mu\u1ed9n, ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng s\u1ebd b\u1ecb k\u00e9o d\u00e0i, t\u1ed1n k\u00e9m chi ph\u00ed thu\u00ea m\u01b0\u1ee3n c\u1ed1p pha.<\/span><\/strong><\/p>\n

V\u1eady, khi n\u00e0o l\u00e0 th\u1eddi \u0111i\u1ec3m th\u00e1o c\u1ed1p pha s\u00e0n, d\u1ea7m, c\u1ed9t chu\u1ea9n x\u00e1c nh\u1ea5t? B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n nh\u1eefng ti\u00eau chu\u1ea9n th\u00e1o c\u1ed1p pha m\u1edbi nh\u1ea5t theo quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt hi\u1ec7n h\u00e0nh, gi\u00fap b\u1ea1n gi\u00e1m s\u00e1t c\u00f4ng tr\u00ecnh m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/strong><\/p>\n

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T\u00ecm hi\u1ec3u v\u1ec1 th\u1eddi gian th\u00e1o c\u1ed1p pha \u0111\u00fang chu\u1ea9n<\/figcaption><\/figure>\n

C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng v\u00e0 ti\u00eau chu\u1ea9n th\u00e1o d\u1ee1 c\u1ea7n bi\u1ebft<\/span><\/strong><\/h2>\n

Trong x\u00e2y d\u1ef1ng, nguy\u00ean t\u1eafc t\u1ed1i th\u01b0\u1ee3ng khi th\u00e1o c\u1ed1p pha kh\u00f4ng ph\u1ea3i l\u00e0 bao nhi\u00eau ng\u00e0y. M\u00e0 ch\u00fang ta ph\u1ea3i hi\u1ec3u ch\u00ednh l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng<\/a><\/strong> \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c bao nhi\u00eau so v\u1edbi c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf?<\/span><\/p>\n

C\u01b0\u1eddng \u0111\u1ed9 R28 l\u00e0 g\u00ec?<\/span><\/strong><\/h3>\n

R28\u200b l\u00e0 c\u01b0\u1eddng \u0111\u1ed9 ti\u00eau chu\u1ea9n m\u00e0 b\u00ea t\u00f4ng ph\u1ea3i \u0111\u1ea1t \u0111\u01b0\u1ee3c sau 28 ng\u00e0y tu\u1ed5i k\u1ec3 t\u1eeb khi \u0111\u1ed5 (trong \u0111i\u1ec1u ki\u1ec7n b\u1ea3o d\u01b0\u1ee1ng ti\u00eau chu\u1ea9n). Khi n\u00f3i \u0111\u1ebfn ti\u00eau chu\u1ea9n th\u00e1o c\u1ed1p pha, ch\u00fang ta th\u01b0\u1eddng s\u1eed d\u1ee5ng t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee7a R28\u200b.<\/span><\/p>\n

Quy t\u1eafc c\u1ed1t l\u00f5i theo Ti\u00eau chu\u1ea9n TCVN<\/span><\/strong><\/span><\/h3>\n

Theo Ti\u00eau chu\u1ea9n Vi\u1ec7t Nam, c\u1ed1p pha \u0111\u00e0 gi\u00e1o ch\u1ec9 \u0111\u01b0\u1ee3c th\u00e1o d\u1ee1 khi b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u1ebft c\u1ea5u ch\u1ecbu \u0111\u01b0\u1ee3c tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n v\u00e0 c\u00e1c t\u1ea3i tr\u1ecdng thi c\u00f4ng kh\u00e1c t\u00e1c \u0111\u1ed9ng sau \u0111\u00f3. C\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh r\u00f5 r\u00e0ng cho t\u1eebng lo\u1ea1i c\u1ea5u ki\u1ec7n.<\/span><\/p>\n

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C\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng v\u00e0 ti\u00eau chu\u1ea9n th\u00e1o d\u1ee1 c\u1ea7n bi\u1ebft<\/figcaption><\/figure>\n

Th\u1eddi gian th\u00e1o c\u1ed1p pha ph\u00f9 h\u1ee3p cho t\u1eebng v\u1ecb tr\u00ed<\/span><\/strong><\/h2>\n

Th\u1ef1c t\u1ebf th\u00ec th\u1eddi gian giao c\u1ed1p pha s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i c\u1ea5u ki\u1ec7n, kh\u1ea9u \u0111\u1ed9 d\u1ea7m, m\u00e1c b\u00ea t\u00f4ng v\u00e0 \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u1ed5ng h\u1ee3p chi ti\u1ebft c\u1ee7a t\u1eebng lo\u1ea1i.<\/span><\/p>\n

Th\u00e1o c\u1ed1p pha m\u00f3ng v\u00e0 c\u1ed9t<\/span><\/strong><\/h3>\n

M\u00f3ng v\u00e0 c\u1ed9t l\u00e0 c\u00e1c c\u1ea5u ki\u1ec7n ch\u1ecbu n\u00e9n l\u00e0 ch\u00ednh, v\u00e0 kh\u00f4ng ch\u1ecbu t\u1ea3i tr\u1ecdng u\u1ed1n l\u1edbn ho\u1eb7c t\u1ea3i tr\u1ecdng thao t\u00e1c n\u1eb7ng ngay sau khi \u0111\u1ed5.<\/span><\/p>\n

Th\u1eddi gian th\u00e1o c\u1ed1p pha m\u00f3ng:<\/strong> Kho\u1ea3ng 1-2 ng\u00e0y sau khi \u0111\u1ed5 b\u00ea t\u00f4ng. C\u1ed1p pha c\u00f3 th\u1ec3 d\u1ee1 b\u1ecf khi b\u00ea t\u00f4ng \u0111\u00e3 \u0111\u1ea1t \u0111\u1ed9 li\u00ean k\u1ebft c\u01a1 b\u1ea3n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c l\u1ef1c x\u00f4 ngang t\u1ed1i thi\u1ec3u.<\/span><\/p>\n

Th\u1eddi gian th\u00e1o c\u1ed1p pha c\u1ed9t:<\/strong> T\u01b0\u01a1ng t\u1ef1, c\u1ed1p pha c\u1ed9t c\u0169ng c\u00f3 th\u1ec3 th\u00e1o d\u1ee1 sau 1-2 ng\u00e0y, t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft. Sau khi th\u00e1o c\u1ed1p pha, c\u1ea7n ph\u1ea3i ti\u1ebfn h\u00e0nh b\u1ea3o d\u01b0\u1ee1ng b\u00ea t\u00f4ng c\u1ed9t ngay l\u1eadp t\u1ee9c.<\/span><\/p>\n

See more:<\/span>\u00a0Th\u1eddi gian \u0111\u1ed5 b\u00ea t\u00f4ng t\u01b0\u01a1i bao l\u00e2u l\u00e0 chu\u1ea9n? Gi\u1ea3i \u0111\u00e1p t\u1eeb A-Z cho m\u1ecdi c\u00f4ng tr\u00ecnh<\/a><\/span><\/strong><\/p>\n

Ti\u00eau chu\u1ea9n th\u00e1o c\u1ed1p pha D\u1ea7m v\u00e0 S\u00e0n<\/span><\/strong><\/h3>\n

\u0110\u00e2y l\u00e0 c\u00e1c c\u1ea5u ki\u1ec7n ch\u1ecbu l\u1ef1c ph\u1ee9c t\u1ea1p v\u00e0 nguy hi\u1ec3m nh\u1ea5t khi th\u00e1o d\u1ee1. Vi\u1ec7c th\u00e1o d\u1ee1 \u0111\u00e1y d\u1ea7m v\u00e0 c\u1ed9t ch\u1ed1ng ph\u1ea3i d\u1ef1a tr\u00ean kh\u1ea9u \u0111\u1ed9 d\u1ea7m v\u00f2m (kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c g\u1ed1i \u0111\u1ee1) v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c (theo t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m R28)<\/span><\/p>\n\n\n\n\n\n\n
Lo\u1ea1i c\u1ea5u ki\u1ec7n<\/th>\nC\u01b0\u1eddng \u0111\u1ed9 t\u1ed1i thi\u1ec3u<\/th>\nTh\u1eddi gian d\u1ef1 ki\u1ebfn<\/th>\n<\/tr>\n
Kh\u1ea9u \u0111\u1ed9 d\u01b0\u1edbi 2m<\/td>\n\u0110\u1ea1t 50%R28<\/td>\nKho\u1ea3ng 7 ng\u00e0y tr\u1edf l\u00ean<\/td>\n<\/tr>\n
Kh\u1ea9u \u0111\u1ed9 t\u1eeb 2m\u20138m<\/td>\n\u0110\u1ea1t 70%R28<\/td>\nKho\u1ea3ng 10\u201314 ng\u00e0y<\/td>\n<\/tr>\n
Kh\u1ea9u \u0111\u1ed9 l\u1edbn h\u01a1n 8m<\/td>\n\u0110\u1ea1t 90%R28<\/td>\nKho\u1ea3ng 23 ng\u00e0y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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Ti\u00eau chu\u1ea9n th\u00e1o c\u1ed1p pha D\u1ea7m v\u00e0 S\u00e0n<\/figcaption><\/figure>\n

Th\u00e1o c\u1ed1p pha s\u00e0n (hay th\u1eddi h\u1ea1n d\u1ee1 c\u1ed1p pha s\u00e0n): \u0110\u1ed1i v\u1edbi s\u00e0n b\u00ea t\u00f4ng, ch\u1ec9 n\u00ean th\u00e1o th\u00e0nh b\u00ean sau kho\u1ea3ng 7 ng\u00e0y \u0111\u1ec3 ti\u1ec7n b\u1ea3o d\u01b0\u1ee1ng. Tuy nhi\u00ean, \u0111\u00e1y c\u1ed1p pha v\u00e0 c\u1ed9t ch\u1ed1ng ch\u1ec9 \u0111\u01b0\u1ee3c th\u00e1o d\u1ee1 khi c\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ea1t chu\u1ea9n t\u01b0\u01a1ng \u1ee9ng v\u1edbi kh\u1ea9u \u0111\u1ed9 d\u1ea7m. C\u1ea7n l\u01b0u \u00fd, sau khi th\u00e1o d\u1ee1, ph\u1ea3i gi\u1eef l\u1ea1i c\u1ed9t ch\u1ed1ng an to\u00e0n (ch\u1ed1ng \u0111i\u1ec3m) \u1edf nh\u1eefng v\u1ecb tr\u00ed ch\u1ecbu l\u1ef1c ch\u00ednh.<\/span><\/p>\n

Th\u00e1o c\u1ed1p pha thang b\u1ed9, s\u00ea n\u00f4, \u00f4 v\u0103ng<\/span><\/strong><\/h3>\n

\u0110\u1ed1i v\u1edbi thang b\u1ed9, \u0111\u00e2y l\u00e0 c\u1ea5u ki\u1ec7n c xh\u1ecbu t\u1ea3i tr\u1ecdng thao t\u00e1c (ng\u01b0\u1eddi \u0111i l\u1ea1i, v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u) th\u01b0\u1eddng xuy\u00ean trong su\u1ed1t qu\u00e1 tr\u00ecnh thi c\u00f4ng. Do \u0111\u00f3, c\u1ed1p pha thang b\u1ed9 ph\u1ea3i \u0111\u01b0\u1ee3c th\u00e1o d\u1ee1 khi b\u00ea t\u00f4ng \u0111\u1ea1t 100%R28\u200b \u2013 th\u01b0\u1eddng l\u00e0 sau 28 ng\u00e0y.<\/span><\/p>\n

\u00d4 v\u0103ng, c\u00f4ng x\u00f4n, s\u00ea n\u00f4 l\u00e0 nh\u1eefng c\u1ea5u ki\u1ec7n ch\u1ec9 \u0111\u01b0\u1ee3c th\u00e1o c\u1ed9t ch\u1ed1ng v\u00e0 c\u1ed1p pha \u0111\u00e1y khi c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng \u0111\u1ea1t 100%R28\u200b (\u0111\u1ee7 m\u00e1c thi\u1ebft k\u1ebf) v\u00e0 \u0111\u00e3 c\u00f3 \u0111\u1ed1i tr\u1ecdng ch\u1ed1ng l\u1eadt.<\/span><\/p>\n

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Th\u00e1o c\u1ed1p pha thang b\u1ed9, s\u00ea n\u00f4, \u00f4 v\u0103ng<\/figcaption><\/figure>\n

V\u1eady t\u1ea1i sao ph\u1ea3i r\u00fat ng\u1eafn th\u1eddi gian th\u00e1o c\u1ed1p pha?<\/span><\/strong><\/h2>\n

\u0110\u1ed5 s\u00e0n b\u00ea t\u00f4ng m\u1ea5y ng\u00e0y th\u00e1o c\u1ed1p pha l\u00e0 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p, v\u00e0 c\u00e2u tr\u1ea3 l\u1eddi ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o m\u00e1c v\u00e0 ph\u1ee5 gia b\u00ea t\u00f4ng s\u1eed d\u1ee5ng.<\/span><\/p>\n

B\u00ea t\u00f4ng R7 bao nhi\u00eau ng\u00e0y th\u00e1o coppha?<\/span><\/strong><\/h3>\n

B\u00ea t\u00f4ng R7 l\u00e0 b\u00ea t\u00f4ng c\u00f3 s\u1eed d\u1ee5ng ph\u1ee5 gia \u0111\u00f4ng k\u1ebft nhanh, gi\u00fap b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 thi\u1ebft k\u1ebf (R28\u200b) s\u1edbm h\u01a1n, c\u1ee5 th\u1ec3 l\u00e0 \u0111\u1ea1t R28\u200b sau 7 ng\u00e0y.<\/span><\/p>\n

Th\u1eddi gian th\u00e1o c\u1ed1p pha R7: V\u1edbi b\u00ea t\u00f4ng R7, th\u1eddi gian \u0111\u1ec3 \u0111\u1ea1t 70%R28\u200b (cho d\u1ea7m s\u00e0n kh\u1ea9u \u0111\u1ed9 2\u22128m) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c r\u00fat ng\u1eafn xu\u1ed1ng c\u00f2n kho\u1ea3ng 7\u221210 ng\u00e0y. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea9y nhanh ti\u1ebfn \u0111\u1ed9 thi c\u00f4ng m\u1ed9t c\u00e1ch an to\u00e0n.<\/span><\/p>\n

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B\u00ea t\u00f4ng R7 bao nhi\u00eau ng\u00e0y th\u00e1o coppha?<\/figcaption><\/figure>\n

B\u00ea t\u00f4ng R28 bao nhi\u00eau ng\u00e0y th\u00e1o coppha?<\/span><\/strong><\/h3>\n

B\u00ea t\u00f4ng R28 l\u00e0 b\u00ea t\u00f4ng kh\u00f4ng s\u1eed d\u1ee5ng ph\u1ee5 gia \u0111\u00f4ng k\u1ebft nhanh, \u0111\u1ea1t R28\u200b sau 28 ng\u00e0y. \u0110\u1ec3 \u0111\u1ea1t 70%R28\u200b (cho d\u1ea7m s\u00e0n kh\u1ea9u \u0111\u1ed9 2\u22128m), b\u00ea t\u00f4ng R28 th\u01b0\u1eddng c\u1ea7n t\u1ed1i thi\u1ec3u 10\u221214 ng\u00e0y tr\u1edf l\u00ean. M\u1eb7c d\u00f9 ti\u00eau chu\u1ea9n c\u00f3 quy \u0111\u1ecbnh c\u1ee5 th\u1ec3 v\u1ec1 c\u01b0\u1eddng \u0111\u1ed9, nh\u01b0ng kinh nghi\u1ec7m th\u1ef1c t\u1ebf cho th\u1ea5y c\u1ea7n th\u1eddi gian d\u00e0i h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, \u0111\u1eb7c bi\u1ec7t trong \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft l\u1ea1nh.<\/span><\/p>\n

Ch\u01b0a x\u00e9t \u0111\u1ebfn nh\u1eefng y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng kh\u00e1c, nh\u01b0 \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft v\u00e0 m\u00f4i tr\u01b0\u1eddng, k\u1ef9 thu\u1eadt b\u1ea3o d\u01b0\u1ee1ng s\u1ebd gi\u00fap b\u00ea t\u00f4ng ph\u00e1t tri\u1ec3n \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 mong mu\u1ed1n.<\/span><\/p>\n

See more:\u00a0<\/span>Ti\u00eau chu\u1ea9n l\u1ea5y m\u1eabu b\u00ea t\u00f4ng: H\u01b0\u1edbng d\u1eabn chi ti\u1ebft t\u1eeb A-Z<\/a><\/span><\/strong><\/p>\n

Quy tr\u00ecnh th\u00e1o d\u1ee1 coppha<\/span><\/strong><\/h2>\n

Quy tr\u00ecnh th\u00e1o c\u1ed1p pha an to\u00e0n ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo nguy\u00ean t\u1eafc khoa h\u1ecdc \u0111\u1ec3 tr\u00e1nh g\u00e2y \u1ee9ng su\u1ea5t \u0111\u1ed9t ng\u1ed9t l\u00ean k\u1ebft c\u1ea5u.<\/span><\/p>\n

B\u01b0\u1edbc 1: Ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 th\u1ef1c t\u1ebf<\/span><\/strong><\/h3>\n

Tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng th\u00e1o c\u1ed1p pha ch\u1ec9 d\u1ef1a v\u00e0o s\u1ed1 ng\u00e0y tr\u00ean l\u1ecbch. B\u1eaft bu\u1ed9c ph\u1ea3i ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 th\u1ef1c t\u1ebf c\u1ee7a b\u00ea t\u00f4ng t\u1ea1i c\u00f4ng tr\u00ecnh. B\u1eb1ng c\u00e1ch th\u1eed m\u1eabu n\u00e9n, b\u1ea1n d\u1eed d\u1ee5ng m\u1eabu b\u00ea t\u00f4ng \u0111\u00e3 l\u1ea5y t\u1ea1i c\u00f4ng tr\u00ecnh \u0111\u1ec3 n\u00e9n t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m. \u0110\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 d\u00f9ng s\u00fang b\u1eadt n\u1ea9y (Schmidt Hammer) \u0111\u1ec3 ki\u1ec3m tra s\u01a1 b\u1ed9 b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng.<\/span><\/p>\n

B\u01b0\u1edbc 2: Th\u1ef1c hi\u1ec7n th\u00e1o d\u1ee1 theo th\u1ee9 t\u1ef1 h\u1ee3p l\u00fd<\/span><\/strong><\/h3>\n

Th\u00e1o d\u1ee1 ph\u1ea3i \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh t\u1eeb t\u1eeb, nh\u1eb9 nh\u00e0ng, tr\u00e1nh g\u00e2y rung \u0111\u1ed9ng ho\u1eb7c va \u0111\u1eadp m\u1ea1nh l\u00ean k\u1ebft c\u1ea5u b\u00ea t\u00f4ng non. Th\u00e1o tr\u01b0\u1edbc nh\u1eefng b\u1ed9 ph\u1eadn kh\u00f4ng ch\u1ecbu l\u1ef1c, sau \u0111\u00f3 l\u1ea7 th\u00e1o ph\u1ea7n \u0111\u00e1y s\u00e0n, d\u1ea7m. Trong l\u00fac th\u00e1o c\u1ea7n gi\u1eef l\u1ea1i c\u1ed9t ch\u1ed1ng an to\u00e0n theo kho\u00e1ch c\u00e1ch quy \u0111\u1ecbnh (th\u01b0\u1eddng c\u00e1ch nhau 3m d\u01b0\u1edbi d\u1ea7m c\u00f3 nh\u1ecbp l\u1edbn h\u01a1n 4m).<\/span><\/p>\n

B\u01b0\u1edbc 3: \u0110\u1ea3m b\u1ea3o an to\u00e0n lao \u0111\u1ed9ng v\u00e0 b\u1ea3o qu\u1ea3n v\u1eadt t\u01b0<\/span><\/strong><\/h3>\n

Trong qu\u00e1 tr\u00ecnh th\u00e1o, an to\u00e0n lao \u0111\u1ed9ng ph\u1ea3i \u0111\u1eb7t l\u00ean h\u00e0ng \u0111\u1ea7u. C\u1ea7n ch\u00fa \u00fd trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 (m\u0169, gi\u00e0y, g\u0103ng tay). Kh\u00f4ng \u0111\u01b0\u1ee3c v\u1ee9t, n\u00e9m g\u1ed7 v\u00e1n t\u1eeb tr\u00ean cao xu\u1ed1ng. D\u1ecdn d\u1eb9p ngay \u0111inh v\u00e0 g\u1ed7 v\u1ee5n \u0111\u1ec3 tr\u00e1nh tai n\u1ea1n lao \u0111\u1ed9ng (nh\u01b0 d\u1eabm ph\u1ea3i \u0111inh).<\/span><\/p>\n

Vi\u1ec7c th\u00e1o c\u1ed1p pha l\u00e0 m\u1ed9t b\u01b0\u1edbc kh\u00f4ng th\u1ec3 v\u1ed9i v\u00e0ng trong x\u00e2y d\u1ef1ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00f4ng tr\u00ecnh \u0111\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u1ed5i th\u1ecd t\u1ed1i \u0111a, b\u1ea1n c\u1ea7n tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t nguy\u00ean t\u1eafc C\u01b0\u1eddng \u0111\u1ed9 > S\u1ed1 ng\u00e0y v\u00e0 theo d\u00f5i s\u00e1t sao ti\u00eau chu\u1ea9n TCVN.<\/span><\/p>\n

N\u1ebfu b\u1ea1n l\u00e0 ch\u1ee7 nh\u00e0, h\u00e3y y\u00eau c\u1ea7u \u0111\u01a1n v\u1ecb thi c\u00f4ng ho\u1eb7c gi\u00e1m s\u00e1t cung c\u1ea5p k\u1ebft qu\u1ea3 th\u1eed m\u1eabu n\u00e9n tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh th\u00e1o d\u1ee1 c\u1ed1p pha b\u1ea5t k\u1ef3 c\u1ea5u ki\u1ec7n ch\u1ecbu l\u1ef1c n\u00e0o.<\/span><\/p>\n

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Quy tr\u00ecnh th\u00e1o d\u1ee1 coppha<\/figcaption><\/figure>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 vi\u1ec7c th\u00e1o coppha (FAQ)<\/span><\/strong><\/h2>\n

1. Th\u00e1o c\u1ed1p pha s\u1edbm c\u00f3 b\u1ecb n\u1ee9t s\u00e0n kh\u00f4ng?<\/span><\/strong><\/p>\n

C\u00f3. Th\u00e1o c\u1ed1p pha qu\u00e1 s\u1edbm khi b\u00ea t\u00f4ng ch\u01b0a \u0111\u1ea1t \u0111\u1ee7 c\u01b0\u1eddng \u0111\u1ed9 s\u1ebd g\u00e2y ra \u1ee9ng su\u1ea5t c\u1ee5c b\u1ed9 l\u1edbn, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng v\u00f5ng, n\u1ee9t, l\u00fan ho\u1eb7c bi\u1ebfn d\u1ea1ng c\u1ee7a k\u1ebft c\u1ea5u s\u00e0n. Th\u1eadm ch\u00ed c\u00f3 th\u1ec3 g\u00e2y s\u1ee5p \u0111\u1ed5 c\u00f4ng tr\u00ecnh.<\/span><\/p>\n

2. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng tr\u01b0\u1edbc khi th\u00e1o c\u1ed1p pha t\u1ea1i c\u00f4ng tr\u00ecnh?<\/span><\/strong><\/p>\n

C\u00e1ch ch\u00ednh x\u00e1c nh\u1ea5t l\u00e0 ki\u1ec3m tra m\u1eabu b\u00ea t\u00f4ng \u0111\u00fac s\u1eb5n (m\u1eabu l\u1eadp ph\u01b0\u01a1ng 15\u00d715\u00d715 cm) \u0111\u01b0\u1ee3c l\u1ea5y t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u1ed5 b\u00ea t\u00f4ng v\u00e0 n\u00e9n t\u1ea1i ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0o c\u00e1c th\u1eddi \u0111i\u1ec3m R3, R7, R14 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u01b0\u1eddng \u0111\u1ed9 th\u1ef1c t\u1ebf. Ngo\u00e0i ra, c\u00f3 th\u1ec3 d\u00f9ng S\u00fang b\u1eadt n\u1ea9y (Schmidt Hammer) \u0111\u1ec3 ki\u1ec3m tra nhanh.<\/span><\/p>\n

3. C\u00f3 ph\u1ea3i d\u1ee1 b\u1ecf h\u1ebft c\u1ed9t ch\u1ed1ng ngay sau khi th\u00e1o c\u1ed1p pha s\u00e0n kh\u00f4ng?<\/span><\/strong><\/p>\n

Kh\u00f4ng. Theo quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt, sau khi th\u00e1o \u0111\u00e1y c\u1ed1p pha d\u1ea7m s\u00e0n, b\u1ea1n ph\u1ea3i gi\u1eef l\u1ea1i m\u1ed9t s\u1ed1 c\u1ed9t ch\u1ed1ng an to\u00e0n (ch\u1ed1ng \u0111i\u1ec3m) \u0111\u1ec3 ti\u1ebfp t\u1ee5c h\u1ed7 tr\u1ee3 k\u1ebft c\u1ea5u, \u0111\u1ea3m b\u1ea3o s\u00e0n ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng thi c\u00f4ng ti\u1ebfp theo (ng\u01b0\u1eddi, v\u1eadt li\u1ec7u) trong khi c\u01b0\u1eddng \u0111\u1ed9 b\u00ea t\u00f4ng v\u1eabn \u0111ang ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n.<\/span><\/p>\n

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Th\u00e1o c\u1ed1p pha: Ti\u00eau chu\u1ea9n & th\u1eddi gian th\u00e1o \u0111\u00fang cho s\u00e0n, d\u1ea7m, c\u1ed9t<\/figcaption><\/figure>\n

4. Ph\u1ee5 gia \u0111\u00f4ng k\u1ebft nhanh (R7) c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u00ea t\u00f4ng v\u1ec1 l\u00e2u d\u00e0i kh\u00f4ng?<\/span><\/strong><\/p>\n

N\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang li\u1ec1u l\u01b0\u1ee3ng v\u00e0 ch\u1ee7ng lo\u1ea1i, ph\u1ee5 gia \u0111\u00f4ng k\u1ebft nhanh kh\u00f4ng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e2u d\u00e0i c\u1ee7a b\u00ea t\u00f4ng. Ch\u00fang ch\u1ec9 gi\u00fap t\u0103ng t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc ban \u0111\u1ea7u \u0111\u1ec3 b\u00ea t\u00f4ng \u0111\u1ea1t c\u01b0\u1eddng \u0111\u1ed9 s\u1edbm h\u01a1n. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng ph\u1ee5 gia ph\u1ea3i \u0111i k\u00e8m v\u1edbi quy tr\u00ecnh b\u1ea3o d\u01b0\u1ee1ng nghi\u00eam ng\u1eb7t \u0111\u1ec3 tr\u00e1nh n\u1ee9t do kh\u00f4 nhanh.<\/span><\/p>\n