{"id":5403,"date":"2025-10-01T09:00:58","date_gmt":"2025-10-01T02:00:58","guid":{"rendered":"https:\/\/mayxaydunghanoi.com\/?p=5403"},"modified":"2025-12-13T03:14:22","modified_gmt":"2025-12-12T20:14:22","slug":"ky-thuat-kiem-tra-do-rung-chuan-cua-bua-rung-dien-tren-coc","status":"publish","type":"post","link":"https:\/\/mayxaydunghanoi.com\/vi\/ky-thuat-kiem-tra-do-rung-chuan-cua-bua-rung-dien-tren-coc\/","title":{"rendered":"K\u1ef9 thu\u1eadt ki\u1ec3m tra \u0111\u1ed9 rung chu\u1ea9n c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc"},"content":{"rendered":"<h2>Ki\u1ec3m tra \u0111\u00fang \u0111\u1ed9 rung c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 truy\u1ec1n l\u1ef1c, tr\u00e1nh h\u01b0 h\u1ea1i thi\u1ebft b\u1ecb v\u00e0 sai l\u1ec7ch thi c\u00f4ng n\u1ec1n m\u00f3ng.<\/h2>\n<p>Trong thi c\u00f4ng m\u00f3ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p rung, b\u00faa rung \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n dao \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c l\u00ean c\u1ecdc th\u00e9p, \u1ed1ng th\u00e9p ho\u1eb7c c\u1eeb Larsen. Tuy nhi\u00ean, n\u1ebfu \u0111\u1ed9 rung kh\u00f4ng \u0111\u1ea1t chu\u1ea9n \u2013 qu\u00e1 y\u1ebfu ho\u1eb7c qu\u00e1 m\u1ea1nh, ho\u1eb7c rung kh\u00f4ng \u0111\u1ec1u \u2013 s\u1ebd d\u1eabn \u0111\u1ebfn c\u00e1c h\u1ec7 l\u1ee5y nh\u01b0: l\u00fan l\u1ec7ch, h\u01b0 h\u1ecfng \u0111\u1ea7u c\u1ecdc, hao m\u00f2n thi\u1ebft b\u1ecb, v\u00e0 th\u1eadm ch\u00ed l\u00e0 m\u1ea5t an to\u00e0n lao \u0111\u1ed9ng.<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, Hanoi Vietnam s\u1ebd ph\u00e2n t\u00edch s\u00e2u c\u00e1c kh\u00eda c\u1ea1nh k\u1ef9 thu\u1eadt, c\u00f4ng n\u0103ng th\u1ef1c t\u1ebf, chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 so s\u00e1nh v\u1edbi c\u00e1c d\u00f2ng m\u00e1y rung kh\u00e1c, t\u1eeb \u0111\u00f3 gi\u00fap k\u1ef9 s\u01b0 v\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn.<\/p>\n<p>B\u00e0i vi\u1ebft t\u1eadp trung h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt ki\u1ec3m tra \u0111\u1ed9 rung chu\u1ea9n c\u1ee7a b\u00faa rung \u0111i\u1ec7n, t\u1eeb \u0111\u00f3 \u0111\u01b0a ra bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng thi c\u00f4ng, b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb v\u00e0 n\u00e2ng cao tu\u1ed5i th\u1ecd c\u00f4ng tr\u00ecnh.<\/p>\n<hr \/>\n<h3>Nguy\u00ean l\u00fd truy\u1ec1n rung c\u1ee7a b\u00faa rung \u0111i\u1ec7n trong thi c\u00f4ng c\u1ecdc<\/h3>\n<p>B\u00faa rung \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd t\u1ea1o ra l\u1ef1c ly t\u00e2m th\u00f4ng qua c\u00e1c c\u1eb7p con quay l\u1ec7ch t\u00e2m quay ng\u01b0\u1ee3c chi\u1ec1u nhau. Khi g\u1eafn b\u00faa l\u00ean \u0111\u1ea7u c\u1ecdc, l\u1ef1c dao \u0111\u1ed9ng d\u1ecdc tr\u1ee5c (vertical vibration) s\u1ebd truy\u1ec1n v\u00e0o th\u00e2n c\u1ecdc, l\u00e0m gi\u1ea3m ma s\u00e1t gi\u1eefa c\u1ecdc v\u00e0 \u0111\u1ea5t, gi\u00fap c\u1ecdc c\u1eafm s\u00e2u xu\u1ed1ng n\u1ec1n d\u1ec5 d\u00e0ng h\u01a1n m\u00e0 kh\u00f4ng c\u1ea7n l\u1ef1c n\u00e9n l\u1edbn.<\/p>\n<p>M\u1ee9c \u0111\u1ed9 rung c\u1ee7a b\u00faa \u2013 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n qua c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 <strong>bi\u00ean \u0111\u1ed9 rung (amplitude)<\/strong> v\u00e0 <strong>t\u1ea7n s\u1ed1 rung (frequency)<\/strong> \u2013 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 thi c\u00f4ng:<\/p>\n<ul>\n<li><strong>T\u1ea7n s\u1ed1 rung (Hz)<\/strong>: \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 th\u00e2m nh\u1eadp c\u1ee7a c\u1ecdc, c\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi lo\u1ea1i \u0111\u1ea5t n\u1ec1n (\u0111\u1ea5t s\u00e9t, c\u00e1t, b\u00f9n\u2026).<\/li>\n<li><strong>Bi\u00ean \u0111\u1ed9 rung (mm)<\/strong>: \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng gi\u1ea3m ma s\u00e1t th\u00e0nh c\u1ecdc; bi\u00ean \u0111\u1ed9 qu\u00e1 nh\u1ecf s\u1ebd kh\u00f4ng \u0111\u1ee7 rung, bi\u00ean \u0111\u1ed9 qu\u00e1 l\u1edbn s\u1ebd g\u00e2y n\u1ee9t \u0111\u1ea7u c\u1ecdc ho\u1eb7c l\u1ec7ch h\u01b0\u1edbng.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3, k\u1ef9 s\u01b0 thi c\u00f4ng c\u1ea7n ki\u1ec3m tra v\u00e0 hi\u1ec7u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y tr\u01b0\u1edbc v\u00e0 trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/p>\n<hr \/>\n<h3>D\u1ee5ng c\u1ee5 v\u00e0 thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 rung b\u00faa rung \u0111i\u1ec7n<\/h3>\n<p>\u0110\u1ec3 ki\u1ec3m tra \u0111\u1ed9 rung b\u00faa rung \u0111i\u1ec7n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, c\u1ea7n s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng thay v\u00ec c\u1ea3m quan ho\u1eb7c kinh nghi\u1ec7m ch\u1ee7 quan:<\/p>\n<ol>\n<li><strong>M\u00e1y \u0111o \u0111\u1ed9 rung c\u1ea7m tay (Vibration Meter)<\/strong><br \/>\nThi\u1ebft b\u1ecb n\u00e0y s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn gia t\u1ed1c \u0111\u1ec3 \u0111o <strong>gia t\u1ed1c rung (m\/s\u00b2)<\/strong>, <strong>t\u1ed1c \u0111\u1ed9 rung (mm\/s)<\/strong> v\u00e0 <strong>bi\u00ean \u0111\u1ed9 d\u1ecbch chuy\u1ec3n (mm)<\/strong> c\u1ee7a b\u00faa. C\u00f3 th\u1ec3 d\u00f9ng c\u00e1c d\u00f2ng nh\u01b0 <strong>SKF CMAS<\/strong>, <strong>Fluke 805<\/strong>&#8230;<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u0111o t\u1ea7n s\u1ed1 rung (Vibrometer chuy\u00ean d\u1ee5ng)<\/strong><br \/>\n\u0110\u1ec3 x\u00e1c \u0111\u1ecbnh <strong>t\u1ea7n s\u1ed1 rung th\u1ef1c t\u1ebf<\/strong> so v\u1edbi th\u00f4ng s\u1ed1 thi\u1ebft k\u1ebf, \u0111\u1ea3m b\u1ea3o dao \u0111\u1ed9ng kh\u00f4ng b\u1ecb m\u00e9o ho\u1eb7c b\u1ecb l\u1ec7ch nh\u1ecbp.<\/li>\n<li><strong>C\u1ea3m bi\u1ebfn rung g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean th\u00e2n b\u00faa ho\u1eb7c \u0111\u1ea7u c\u1ecdc<\/strong><br \/>\n\u0110\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ghi d\u1eef li\u1ec7u (data logger) \u0111\u1ec3 thu th\u1eadp s\u1ed1 li\u1ec7u theo th\u1eddi gian th\u1ef1c \u2013 \u0111\u1eb7c bi\u1ec7t c\u1ea7n thi\u1ebft trong c\u00e1c c\u00f4ng tr\u00ecnh l\u1edbn, y\u00eau c\u1ea7u gi\u00e1m s\u00e1t li\u00ean t\u1ee5c.<\/li>\n<li><strong>Camera t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111o gia t\u1ed1c 3D<\/strong><br \/>\n\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u1ea7n ph\u00e2n t\u00edch k\u1ef9 bi\u00ean \u0111\u1ed9 d\u1ecbch chuy\u1ec3n theo kh\u00f4ng gian 3 chi\u1ec1u \u2013 tuy nhi\u00ean ch\u1ec9 \u00e1p d\u1ee5ng cho c\u00f4ng tr\u00ecnh nghi\u00ean c\u1ee9u ho\u1eb7c c\u00f4ng ngh\u1ec7 cao.<\/li>\n<\/ol>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang thi\u1ebft b\u1ecb gi\u00fap k\u1ef9 s\u01b0 ph\u00e1t hi\u1ec7n k\u1ecbp th\u1eddi c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0: rung l\u1ec7ch t\u00e2m, m\u1ea5t c\u00e2n b\u1eb1ng quay, h\u1ecfng b\u1ea1c \u0111\u1ea1n b\u00faa rung, ho\u1eb7c sai th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u00e1p c\u1ea5p.<\/p>\n<hr \/>\n<h3>C\u00e1c b\u01b0\u1edbc ki\u1ec3m tra \u0111\u1ed9 rung chu\u1ea9n c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc<\/h3>\n<p>Quy tr\u00ecnh ki\u1ec3m tra \u0111\u1ed9 rung c\u1ea7n \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo tu\u1ea7n t\u1ef1 khoa h\u1ecdc, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c d\u1eef li\u1ec7u \u0111o \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh \u0111\u00fang t\u00ecnh tr\u1ea1ng v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf c\u1ee7a b\u00faa:<\/p>\n<p><strong>B\u01b0\u1edbc 1: Chu\u1ea9n b\u1ecb v\u00e0 ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/strong><br \/>\n\u0110\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p c\u1ea5p cho b\u00faa \u1ed5n \u0111\u1ecbnh (th\u01b0\u1eddng l\u00e0 380V \u2013 3 pha). N\u1ebfu \u0111i\u1ec7n y\u1ebfu, b\u00faa c\u00f3 th\u1ec3 quay kh\u00f4ng \u0111\u1ee7 t\u1ed1c \u0111\u1ed9 \u2192 t\u1ea7n s\u1ed1 rung sai l\u1ec7ch.<\/p>\n<p><strong>B\u01b0\u1edbc 2: G\u1eafn c\u1ea3m bi\u1ebfn l\u00ean th\u00e2n b\u00faa ho\u1eb7c \u0111\u1ea7u c\u1ecdc<\/strong><br \/>\nCh\u1ecdn v\u1ecb tr\u00ed ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111o \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c rung d\u1ecdc tr\u1ee5c. G\u1eafn ch\u1eb7t c\u1ea3m bi\u1ebfn \u0111\u1ec3 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t ho\u1eb7c sai l\u1ec7ch.<\/p>\n<p><strong>B\u01b0\u1edbc 3: Cho b\u00faa ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 kh\u00f4ng t\u1ea3i (rung kh\u00f4ng c\u1ecdc)<\/strong><br \/>\nGhi nh\u1eadn t\u1ea7n s\u1ed1, bi\u00ean \u0111\u1ed9 v\u00e0 gia t\u1ed1c rung. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc ki\u1ec3m tra c\u01a1 b\u1ea3n nh\u1ea5t \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i l\u1ec7ch tr\u1ee5c, m\u1ea5t c\u00e2n b\u1eb1ng, v\u00f2ng bi m\u00f2n.<\/p>\n<p><strong>B\u01b0\u1edbc 4: Ki\u1ec3m tra rung khi b\u00faa ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ecdc th\u1eed<\/strong><br \/>\n\u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t. Sau khi g\u1eafn b\u00faa l\u00ean c\u1ecdc th\u1eed, \u0111o l\u1ea1i c\u00e1c th\u00f4ng s\u1ed1 rung \u0111\u1ec3 xem l\u1ef1c dao \u0111\u1ed9ng c\u00f3 truy\u1ec1n \u0111\u1ec1u xu\u1ed1ng th\u00e2n c\u1ecdc hay kh\u00f4ng. N\u1ebfu bi\u00ean \u0111\u1ed9 b\u1ecb suy gi\u1ea3m \u0111\u1ed9t ng\u1ed9t, c\u00f3 th\u1ec3 c\u1ecdc b\u1ecb v\u00eanh ho\u1eb7c kh\u00f4ng ti\u1ebfp x\u00fac t\u1ed1t.<\/p>\n<p><strong>B\u01b0\u1edbc 5: So s\u00e1nh v\u1edbi ti\u00eau chu\u1ea9n nh\u00e0 s\u1ea3n xu\u1ea5t<\/strong><br \/>\nSo s\u00e1nh c\u00e1c ch\u1ec9 s\u1ed1 thu \u0111\u01b0\u1ee3c v\u1edbi th\u00f4ng s\u1ed1 rung chu\u1ea9n c\u1ee7a b\u00faa theo t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt. M\u1ed7i h\u00e3ng nh\u01b0 <strong>DZ<\/strong>, <strong>OMS<\/strong>, <strong>PVE<\/strong>, <strong>Yongan<\/strong>&#8230; \u0111\u1ec1u c\u00f3 ng\u01b0\u1ee1ng khuy\u1ebfn ngh\u1ecb ri\u00eang.<\/p>\n<p><strong>B\u01b0\u1edbc 6: Ph\u00e2n t\u00edch v\u00e0 \u0111i\u1ec1u ch\u1ec9nh<\/strong><br \/>\nN\u1ebfu rung qu\u00e1 y\u1ebfu \u2192 ki\u1ec3m tra b\u1ea1c \u0111\u1ea1n, h\u1ec7 quay, \u0111i\u1ec7n \u00e1p. N\u1ebfu rung qu\u00e1 m\u1ea1nh \u2192 xem l\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng b\u00faa, gi\u1ea3m t\u1ed1c \u0111\u1ed9 quay ho\u1eb7c \u0111\u1ed5i thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p.<\/p>\n<hr \/>\n<h3>M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p khi ki\u1ec3m tra v\u00e0 x\u1eed l\u00fd rung kh\u00f4ng chu\u1ea9n<\/h3>\n<p><strong>1. Bi\u00ean \u0111\u1ed9 rung y\u1ebfu khi g\u1eb7p l\u1edbp \u0111\u1ea5t c\u1ee9ng<\/strong><br \/>\nNguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 do l\u1ef1c ly t\u00e2m kh\u00f4ng \u0111\u1ee7. Gi\u1ea3i ph\u00e1p l\u00e0 d\u00f9ng b\u00faa c\u00f3 c\u00f4ng su\u1ea5t cao h\u01a1n ho\u1eb7c t\u0103ng kh\u1ed1i l\u1ec7ch t\u00e2m.<\/p>\n<p><strong>2. Rung l\u1ec7ch t\u00e2m \u2013 l\u1eafc ngang khi thi c\u00f4ng<\/strong><br \/>\nTh\u01b0\u1eddng do b\u1ea1c \u0111\u1ea1n m\u00f2n, tr\u1ee5c quay cong ho\u1eb7c b\u00e1nh l\u1ec7ch t\u00e2m kh\u00f4ng \u0111\u1ed3ng pha. C\u1ea7n b\u1ea3o d\u01b0\u1ee1ng thay b\u1ea1c \u0111\u1ea1n, c\u00e2n l\u1ea1i h\u1ec7 th\u1ed1ng quay.<\/p>\n<p><strong>3. T\u1ea7n s\u1ed1 \u0111o \u0111\u01b0\u1ee3c kh\u00f4ng kh\u1edbp v\u1edbi thi\u1ebft k\u1ebf<\/strong><br \/>\nL\u1ed7i t\u1eeb bi\u1ebfn t\u1ea7n ho\u1eb7c m\u00f4 t\u01a1 kh\u00f4ng \u0111\u1ea1t t\u1ed1c \u0111\u1ed9 \u0111\u1ecbnh m\u1ee9c. C\u1ea7n ki\u1ec3m tra h\u1ec7 \u0111i\u1ec7n v\u00e0 motor.<\/p>\n<p><strong>4. C\u1ecdc rung kh\u00f4ng \u0111\u1ec1u \u2013 m\u1ed9t ph\u1ea7n kh\u00f4ng v\u00e0o \u0111\u1ea5t<\/strong><br \/>\nNguy\u00ean nh\u00e2n do b\u00faa l\u1eafp l\u1ec7ch tr\u1ee5c v\u1edbi c\u1ecdc, ti\u1ebfp x\u00fac kh\u00f4ng \u0111\u1ec1u ho\u1eb7c b\u1ecb nghi\u00eang. Ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i g\u00e1 k\u1eb9p, gi\u00e1 \u0111\u1ee1.<\/p>\n<p>Vi\u1ec7c ph\u00e1t hi\u1ec7n v\u00e0 x\u1eed l\u00fd s\u1edbm c\u00e1c l\u1ed7i n\u00e0y gi\u00fap tr\u00e1nh l\u00e3ng ph\u00ed th\u1eddi gian thi c\u00f4ng v\u00e0 gi\u1ea3m chi ph\u00ed s\u1eeda ch\u1eefa b\u00faa rung \u0111i\u1ec7n sau n\u00e0y.<\/p>\n<hr \/>\n<h3><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Ki\u1ec3m tra \u0111\u1ed9 rung chu\u1ea9n c\u1ee7a b\u00faa rung \u0111i\u1ec7n l\u00e0 kh\u00e2u kh\u00f4ng th\u1ec3 b\u1ecf qua khi thi c\u00f4ng m\u00f3ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p rung.<\/li>\n<li>C\u1ea7n d\u00f9ng \u0111\u00fang thi\u1ebft b\u1ecb \u0111o chuy\u00ean d\u1ee5ng v\u00e0 th\u1ef1c hi\u1ec7n theo tr\u00ecnh t\u1ef1 k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/li>\n<li>C\u00e1c sai l\u1ec7ch v\u1ec1 bi\u00ean \u0111\u1ed9, t\u1ea7n s\u1ed1 ho\u1eb7c rung l\u1ec7ch t\u00e2m n\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n s\u1edbm s\u1ebd \u1ea3nh h\u01b0\u1edfng l\u1edbn t\u1edbi ch\u1ea5t l\u01b0\u1ee3ng n\u1ec1n m\u00f3ng v\u00e0 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/li>\n<li>Hanoi Vietnam khuy\u1ebfn ngh\u1ecb k\u1ef9 s\u01b0 n\u00ean ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3 b\u00faa rung \u0111i\u1ec7n tr\u01b0\u1edbc m\u1ed7i ca thi c\u00f4ng v\u00e0 sau m\u1ed7i d\u1ef1 \u00e1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb lu\u00f4n trong t\u00ecnh tr\u1ea1ng t\u1ed1t nh\u1ea5t.<\/li>\n<\/ul>\n<hr \/>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n <strong>t\u01b0 v\u1ea5n l\u1ef1a ch\u1ecdn b\u00faa rung \u0111i\u1ec7n<\/strong>, <strong>ki\u1ec3m tra rung chu\u1ea9n t\u1ea1i c\u00f4ng tr\u01b0\u1eddng<\/strong> ho\u1eb7c <strong>b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb rung<\/strong>, h\u00e3y li\u00ean h\u1ec7 v\u1edbi <strong>Hanoi Vietnam<\/strong> \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c v\u00e0 chuy\u00ean s\u00e2u.<\/p>\n<p><strong>TH\u00d4NG TIN LI\u00caN H\u1ec6<\/strong><br \/>\n<strong>C\u00f4ng ty TNHH Hanoi Vietnam<\/strong><br \/>\n<strong>Tr\u1ee5 s\u1edf:<\/strong> S\u1ed1 35, L\u00f4 BT3, Khu \u0111\u00f4 th\u1ecb m\u1edbi \u0110\u1eb7ng X\u00e1 2, \u0110\u1eb7ng X\u00e1, Gia L\u00e2m, H\u00e0 N\u1ed9i<br \/>\n<strong>Kho b\u00e3i:<\/strong> Th\u00f4n Ph\u00f9 D\u1ef1c 1, x\u00e3 Ph\u00f9 \u0110\u1ed5ng, huy\u1ec7n Gia L\u00e2m, H\u00e0 N\u1ed9i<br \/>\n<strong>Hotline:<\/strong> 0906601755<br \/>\n<strong>Website:<\/strong> <a href=\"https:\/\/mayxaydunghanoi.com\/\">https:\/\/mayxaydunghanoi.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ki\u1ec3m tra \u0111\u00fang \u0111\u1ed9 rung c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 truy\u1ec1n l\u1ef1c, tr\u00e1nh h\u01b0 h\u1ea1i thi\u1ebft b\u1ecb v\u00e0 sai l\u1ec7ch thi c\u00f4ng n\u1ec1n m\u00f3ng. Trong thi c\u00f4ng m\u00f3ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p rung, b\u00faa rung \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n dao \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c l\u00ean c\u1ecdc th\u00e9p, \u1ed1ng th\u00e9p ho\u1eb7c c\u1eeb Larsen. Tuy nhi\u00ean, n\u1ebfu \u0111\u1ed9 rung kh\u00f4ng \u0111\u1ea1t&#8230;<\/p>\n","protected":false},"author":1,"featured_media":4749,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-5403","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>K\u1ef9 thu\u1eadt ki\u1ec3m tra \u0111\u1ed9 rung chu\u1ea9n c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc - Hanoi Vietnam Co., Ltd<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mayxaydunghanoi.com\/vi\/ky-thuat-kiem-tra-do-rung-chuan-cua-bua-rung-dien-tren-coc\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"K\u1ef9 thu\u1eadt ki\u1ec3m tra \u0111\u1ed9 rung chu\u1ea9n c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc\" \/>\n<meta property=\"og:description\" content=\"Ki\u1ec3m tra \u0111\u00fang \u0111\u1ed9 rung c\u1ee7a b\u00faa rung \u0111i\u1ec7n tr\u00ean c\u1ecdc gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 truy\u1ec1n l\u1ef1c, tr\u00e1nh h\u01b0 h\u1ea1i thi\u1ebft b\u1ecb v\u00e0 sai l\u1ec7ch thi c\u00f4ng n\u1ec1n m\u00f3ng. Trong thi c\u00f4ng m\u00f3ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p rung, b\u00faa rung \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c truy\u1ec1n dao \u0111\u1ed9ng c\u01b0\u1ee1ng b\u1ee9c l\u00ean c\u1ecdc th\u00e9p, \u1ed1ng th\u00e9p ho\u1eb7c c\u1eeb Larsen. 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