{"id":66569,"date":"2026-08-12T08:00:46","date_gmt":"2026-08-11T23:00:46","guid":{"rendered":"https:\/\/norimen.net\/?p=66569"},"modified":"2026-08-11T16:45:42","modified_gmt":"2026-08-11T07:45:42","slug":"huong-dan-phun-vua-cho-nha-rieng","status":"publish","type":"post","link":"https:\/\/norimen.net\/vi\/mortar-spraying-guide-private-house\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 phun v\u1eefa l\u00e0 g\u00ec? | Nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u00e0 \u0111\u1ed9 d\u00e0y l\u1edbp phun c\u1ea7n thi\u1ebft \u0111\u1ec3 tr\u00e1nh sai s\u00f3t trong c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, nh\u00e0 ri\u00eang v\u00e0 c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n"},"content":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi.<\/p>\n

\u0110\u00e2y l\u00e0 Enta.<\/p>\n

G\u1ea7n \u0111\u00e2y, tr\u00ean YouTube c\u0169ng th\u01b0\u1eddng th\u1ea5y c\u00e1c video v\u1ec1 phun v\u1eefa.<\/p>\n

Vi\u1ec7c c\u00f3 th\u00eam th\u00f4ng tin l\u00e0 \u0111i\u1ec1u t\u1ed1t, nh\u01b0ng b\u00f9 l\u1ea1i, nh\u1eefng ki\u1ebfn th\u1ee9c sai l\u1ec7ch c\u0169ng c\u00f3 th\u1ec3 lan truy\u1ec1n theo.<\/p>\n

Tr\u01b0\u1edbc \u0111\u00e2y, c\u00f3 m\u1ed9t c\u00f4ng ty x\u00e2y d\u1ef1ng t\u01b0 nh\u00e2n t\u1eebng h\u1ecfi t\u00f4i: \u201cPh\u01b0\u01a1ng ph\u00e1p phun v\u1eefa n\u00e0y s\u1ebd kh\u00f4ng b\u1ecb s\u1ee5p \u0111\u1ed5, ph\u1ea3i kh\u00f4ng?\u201d.<\/p>\n

Ngo\u00e0i ra, t\u00f4i c\u0169ng th\u01b0\u1eddng nghe nh\u1eefng l\u1eddi nh\u01b0 v\u1eady t\u1eeb nh\u1eefng ng\u01b0\u1eddi b\u00ecnh th\u01b0\u1eddng.<\/p>\n

L\u1ea7n n\u00e0y, t\u00f4i s\u1ebd vi\u1ebft m\u1ed9t c\u00e1ch chi ti\u1ebft v\u1ec1 ch\u1ee7 \u0111\u1ec1 \u201c\u0111i\u1ec1u \u0111\u00f3 m\u1ed9t n\u1eeda \u0111\u00fang, m\u1ed9t n\u1eeda sai\u201d.<\/p>\n

Th\u00f4i, quay l\u1ea1i ch\u1ee7 \u0111\u1ec1 ch\u00ednh<\/p>\n

Trong b\u00e0i vi\u1ebft n\u00e0y, d\u00e0nh cho nh\u1eefng ai \u0111ang c\u00e2n nh\u1eafc vi\u1ec7c thi c\u00f4ng phun v\u1eefa t\u1ea1i c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e0 ri\u00eang ho\u1eb7c c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n,<\/p>\n

T\u1eeb quy tr\u00ecnh thi c\u00f4ng, t\u1ef7 l\u1ec7 tr\u1ed9n, \u0111\u1ed9 d\u00e0y phun tham kh\u1ea3o cho \u0111\u1ebfn c\u00e1ch x\u1eed l\u00fd v\u1edbi t\u01b0\u1eddng \u0111\u00e1, t\u00f4i s\u1ebd tr\u00ecnh b\u00e0y m\u1ed9t c\u00e1ch to\u00e0n di\u1ec7n t\u1eeb g\u00f3c nh\u00ecn c\u1ee7a ng\u01b0\u1eddi l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

M\u1eb7c d\u00f9 n\u1ed9i dung c\u00f3 \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t s\u1ed1 kh\u00eda c\u1ea1nh chuy\u00ean m\u00f4n, nh\u01b0ng t\u00f4i s\u1ebd c\u1ed1 g\u1eafng tr\u00ecnh b\u00e0y sao cho nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng th\u01b0\u1eddng xuy\u00ean ti\u1ebfp x\u00fac v\u1edbi c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng c\u0169ng c\u00f3 th\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c.<\/p>\n

\n

C\u00f4ng ngh\u1ec7 phun v\u1eefa l\u00e0 g\u00ec? C\u00e1c b\u01b0\u1edbc thi c\u00f4ng c\u01a1 b\u1ea3n<\/h2>\n

\"Th\u1ee3<\/p>\n

C\u00f4ng ngh\u1ec7 phun v\u1eefa l\u00e0 ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng nh\u1eb1m b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t b\u1eb1ng c\u00e1ch phun v\u1eefa l\u00ean c\u00e1c s\u01b0\u1eddn d\u1ed1c (nh\u01b0 kh\u1ed1i \u0111\u00e1, n\u1ec1n \u0111\u00e1...) nh\u01b0 trong b\u1ee9c \u1ea3nh tr\u00ean.<\/p>\n

M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a c\u00f4ng tr\u00ecnh b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t l\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 phong h\u00f3a v\u00e0 s\u1ea1t l\u1edf c\u1ee7a l\u1edbp \u0111\u00e1 n\u1ec1n tr\u00ean s\u01b0\u1eddn d\u1ed1c.<\/p>\n

Tr\u00ecnh t\u1ef1 thi c\u00f4ng nh\u01b0 sau.<\/p>\n

C\u00f4ng vi\u1ec7c s\u1ebd \u0111\u01b0\u1ee3c ti\u1ebfn h\u00e0nh theo tr\u00ecnh t\u1ef1 t\u1eeb c\u00f4ng \u0111o\u1ea1n d\u1ecdn d\u1eb9p s\u01b0\u1eddn d\u1ed1c (bao g\u1ed3m c\u1ea3 vi\u1ec7c ch\u1eb7t c\u00e2y) sang c\u00f4ng \u0111o\u1ea1n l\u1eafp l\u01b0\u1edbi th\u00e9p, r\u1ed3i \u0111\u1ebfn c\u00f4ng \u0111o\u1ea1n phun v\u1eefa.<\/p>\n

Trong c\u00f4ng vi\u1ec7c d\u1ecdn d\u1eb9p s\u01b0\u1eddn d\u1ed1c, ng\u01b0\u1eddi ta s\u1ebd lo\u1ea1i b\u1ecf c\u00e1c v\u1eadt li\u1ec7u h\u1eefu c\u01a1 nh\u01b0 \u0111\u00e1 l\u1ecfng l\u1ebbo v\u00e0 c\u00e2y c\u1ecf tr\u00ean s\u01b0\u1eddn d\u1ed1c.<\/p>\n

\u0110\u1ed1i v\u1edbi nh\u1eefng t\u1ea3ng \u0111\u00e1 n\u1eb1m tr\u00ean s\u01b0\u1eddn d\u1ed1c, ch\u00fang t\u00f4i s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u1ec3 tr\u00e1nh \u0111\u00e1 r\u01a1i xu\u1ed1ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u c\u00f4ng vi\u1ec7c.<\/p>\n

N\u1ebfu \u0111\u00e1 n\u1ed5i c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn, c\u1ea7n ph\u1ea3i c\u1eaft nh\u1ecf r\u1ed3i d\u1ee1 b\u1ecf, ho\u1eb7c c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn \u0111\u1ec3 ch\u00fang kh\u00f4ng b\u1ecb x\u00ea d\u1ecbch tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh phun b\u00ea t\u00f4ng.<\/p>\n

Trong c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng, tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh thi c\u00f4ng ch\u00ednh th\u1ee9c, c\u00f3 m\u1ed9t c\u00f4ng \u0111o\u1ea1n g\u1ecdi l\u00e0 thi c\u00f4ng phun v\u1eefa t\u1ea1m th\u1eddi nh\u1eb1m lo\u1ea1i b\u1ecf c\u00e1c nguy c\u01a1; tuy nhi\u00ean, c\u00f4ng \u0111o\u1ea1n n\u00e0y kh\u00e1c v\u1edbi c\u00f4ng \u0111o\u1ea1n phun v\u1eefa ch\u00ednh th\u1ee9c.<\/p>\n

Trong ph\u01b0\u01a1ng ph\u00e1p phun v\u1eefa t\u1ea1m th\u1eddi, \u0111\u00f4i khi ng\u01b0\u1eddi ta kh\u00f4ng ti\u1ebfn h\u00e0nh c\u00f4ng \u0111o\u1ea1n l\u1eafp l\u01b0\u1edbi th\u00e9p m\u00e0 thay v\u00e0o \u0111\u00f3 tr\u1ed9n th\u00eam s\u1ee3i \u0111\u1eb7c bi\u1ec7t (s\u1ee3i th\u1ee7y tinh) v\u00e0o h\u1ed7n h\u1ee3p \u0111\u1ec3 thi c\u00f4ng.<\/p>\n

S\u1ee3i n\u00e0y \u0111\u00f3ng vai tr\u00f2 duy tr\u00ec t\u00ednh li\u00ean t\u1ee5c thay cho l\u01b0\u1edbi th\u00e9p.<\/p>\n

L\u00fd do lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 l\u00e0 v\u00ec n\u1ebfu \u0111\u1ec3 ch\u00fang l\u1eabn trong v\u1eefa, theo th\u1eddi gian ch\u00fang s\u1ebd b\u1ecb th\u1ed1i r\u1eefa v\u00e0 t\u1ea1o th\u00e0nh c\u00e1c l\u1ed7 r\u1ed7ng.<\/p>\n

Th\u1ec9nh tho\u1ea3ng ch\u00fang t\u00f4i nh\u1eadn \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u201cxin ch\u1eb7t g\u1ed1c c\u00e2y\u201d, nh\u01b0ng ch\u00fang t\u00f4i kh\u00f4ng khuy\u1ebfn kh\u00edch vi\u1ec7c n\u00e0y l\u1eafm.<\/p>\n

B\u1edfi v\u00ec khi ch\u1eb7t g\u1ed1c c\u00e2y, s\u1ebd \u0111\u1ec3 l\u1ea1i m\u1ed9t l\u1ed7 l\u1edbn, v\u00e0 \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m cho n\u1ec1n \u0111\u1ea5t tr\u1edf n\u00ean l\u1ecfng l\u1ebbo t\u01b0\u01a1ng \u1ee9ng.<\/p>\n

Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, kh\u00f4ng n\u00ean c\u1ed1 g\u1eafng nh\u1ed5 nh\u1eefng r\u1ec5 c\u00e2y qu\u00e1 to.<\/p>\n

Trong c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng, ng\u01b0\u1eddi ta th\u01b0\u1eddng c\u1eaft g\u1ed1c c\u00e2y sao cho ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh d\u00e1ng c\u1ee7a ng\u1ecdn n\u00fai, r\u1ed3i ph\u1ee7 v\u1eefa l\u00ean ngay t\u1eeb tr\u00ean xu\u1ed1ng.<\/p>\n

\n

\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y v\u00e0 t\u00ednh li\u00ean t\u1ee5c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng th\u1ee3 l\u1eafp t\u1ea5m l\u00f3t v\u00e0 mi\u1ebfng \u0111\u1ec7m<\/h2>\n

\"Th\u1ee3<\/p>\n

Tr\u00ean YouTube v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng kh\u00e1c, ng\u01b0\u1eddi ta th\u01b0\u1eddng th\u1ea5y nh\u1eefng gi\u1ea3i th\u00edch r\u1eb1ng \u201cvi\u1ec7c l\u1eafp t\u1ea5m l\u00f3t cu\u1ed1i c\u00f9ng l\u00e0 \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n\u201d, nh\u01b0ng \u0111i\u1ec1u n\u00e0y kh\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n

L\u01b0\u1edbi th\u00e9p ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean t\u1ee5c c\u1ee7a v\u1eefa.<\/p>\n

V\u1ec1 c\u01a1 b\u1ea3n, n\u00f3 kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng t\u1ea1o \u0111\u1ed9 c\u1ee9ng.<\/p>\n

C\u00f3 t\u00e1c d\u1ee5ng ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea3y x\u1ec7 v\u00e0 bong tr\u00f3c c\u1ee5c b\u1ed9 khi phun v\u1eefa, \u0111\u1ed3ng th\u1eddi gi\u00fap v\u1eefa b\u00e1m d\u00ednh t\u1ed1t h\u01a1n v\u00e0o n\u1ec1n \u0111\u1ea5t.<\/p>\n

N\u1ebfu mu\u1ed1n t\u0103ng \u0111\u1ed9 b\u1ec1n cho l\u1edbp phun, vi\u1ec7c l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p s\u1ebd gi\u00fap t\u0103ng \u0111\u1ed9 b\u1ec1n l\u00ean m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng kh\u00f4ng th\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c m\u1ee9c \u0111\u1ed9 t\u0103ng c\u01b0\u1eddng \u0111\u00f3 l\u00e0 bao nhi\u00eau.<\/p>\n

N\u1ebfu l\u1eafp gh\u00e9p v\u1edbi kho\u1ea3ng c\u00e1ch v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ed1t th\u00e9p \u1edf m\u1ee9c nh\u1ea5t \u0111\u1ecbnh, c\u00f3 th\u1ec3 coi \u0111\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng t\u1ef1 nh\u01b0 gi\u00e0n v\u00e1n \u0111\u01a1n gi\u1ea3n.<\/p>\n

Theo kinh nghi\u1ec7m c\u1ee7a t\u00f4i, t\u00f4i khuy\u00ean b\u1ea1n n\u00ean ch\u1ecdn kho\u1ea3ng c\u00e1ch 20 cm.<\/p>\n

\u0110\u1ed1i v\u1edbi nh\u1eefng ng\u00f4i nh\u00e0 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n \u0111\u1ea5t \u0111\u1eafp c\u0169 v\u00e0 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a t\u01b0\u1eddng \u0111\u00e1, \u0111\u00f4i khi ng\u01b0\u1eddi ta s\u1ebd thi\u1ebft k\u1ebf sao cho t\u01b0\u1eddng \u0111\u00e1 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00e0nh m\u1ed9t c\u1ea5u tr\u00fac ch\u1ecbu l\u1ef1c, \u0111\u1ed3ng th\u1eddi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p c\u1eafm c\u1ed1t th\u00e9p \u0111\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 s\u1ee5p \u0111\u1ed5 to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh.<\/p>\n

\"Th\u1ee3<\/p>\n

Kh\u00f4ng ph\u1ea3i v\u00ec \u0111\u00e2y l\u00e0 c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n m\u00e0 ch\u00fang t\u00f4i l\u1ea1i b\u1ecf qua kh\u00e2u thi\u1ebft k\u1ebf.<\/p>\n

T\u00f4i c\u1ea3m th\u1ea5y r\u1eb1ng m\u1ed9t trong nh\u1eefng \u0111i\u1ec3m thu\u1eadn l\u1ee3i c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n l\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n thi\u1ebft k\u1ebf linh ho\u1ea1t, \u0111i\u1ec1u m\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng kh\u00f4ng th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c.<\/p>\n

Vi\u1ec7c l\u1eafp t\u1ea5m l\u00f3t l\u00e0 c\u00f4ng \u0111o\u1ea1n c\u01a1 b\u1ea3n kh\u00f4ng th\u1ec3 thi\u1ebfu, nh\u01b0ng trong tr\u01b0\u1eddng h\u1ee3p \u0111\u1ecba h\u00ecnh \u0111\u1ed3i n\u00fai g\u1ed3 gh\u1ec1 ho\u1eb7c b\u1ec1 m\u1eb7t phun b\u00ea t\u00f4ng c\u00f3 \u0111\u1ed9 d\u1ed1c g\u1ea7n 90 \u0111\u1ed9, ng\u01b0\u1eddi ta c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u1ee3i th\u1ee7y tinh.<\/p>\n

Vi\u1ec7c th\u00eam s\u1ee3i v\u1ea3i c\u00f3 th\u1ec3 mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng ho\u1eb7c cao h\u01a1n so v\u1edbi l\u01b0\u1edbi th\u00e9p, nh\u01b0ng,<\/p>\n

V\u00ec v\u1eadt li\u1ec7u s\u1ee3i c\u00f3 gi\u00e1 t\u01b0\u01a1ng \u0111\u1ed1i cao n\u00ean ngay c\u1ea3 khi kh\u00f4ng c\u00f2n th\u1ee3 l\u1ee3p v\u00e1n l\u1ee3p n\u1eefa, chi ph\u00ed v\u1eabn c\u00f3 xu h\u01b0\u1edbng \u1edf m\u1ee9c kh\u00e1 cao.<\/p>\n

Khi l\u1eafp t\u1ea5m l\u00f3t, ch\u00fang t\u00f4i khuy\u00ean b\u1ea1n n\u00ean l\u1eafp c\u00e1c mi\u1ebfng \u0111\u1ec7m v\u00e0o c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t.<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng mi\u1ebfng \u0111\u1ec7m PC \u2013 lo\u1ea1i mi\u1ebfng \u0111\u1ec7m chuy\u00ean d\u1ee5ng cho vi\u1ec7c phun v\u1eefa \u2013 mang l\u1ea1i hi\u1ec7u qu\u1ea3 quan tr\u1ecdng l\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c \u0111\u1ed9 d\u00e0y l\u1edbp v\u1eefa phun.<\/p>\n

\"Mi\u1ebfng<\/p>\n

Sau khi l\u1eafp \u0111\u1eb7t mi\u1ebfng \u0111\u1ec7m, ti\u1ebfn h\u00e0nh phun v\u1eadt li\u1ec7u; khi mi\u1ebfng \u0111\u1ec7m kh\u00f4ng c\u00f2n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c n\u1eefa th\u00ec \u0111\u00f3 l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y \u0111\u00e3 \u0111\u1ea1t \u0111\u1ebfn \u0111\u1ed9 d\u00e0y quy \u0111\u1ecbnh.<\/p>\n

C\u00f3 nh\u1eefng s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n l\u01b0\u1edbi th\u00e9p Las, v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m l\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u1ee9t v\u1ee1 t\u1ed1t h\u01a1n.<\/p>\n

Ch\u00ednh nh\u1edd vi\u1ec7c t\u00edch l\u0169y nh\u1eefng chi ti\u1ebft t\u1ec9 m\u1ec9 nh\u01b0 v\u1eady m\u00e0 c\u00e1c c\u00f4ng tr\u01b0\u1eddng c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 h\u00ecnh th\u1ee9c ho\u00e0n thi\u1ec7n.<\/p>\n

T\u00f4i ch\u01b0a t\u1eebng nghe n\u00f3i nhi\u1ec1u v\u1ec1 c\u00e1c nh\u00e0 th\u1ea7u ch\u1ec9 chuy\u00ean thi c\u00f4ng c\u00e1c c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n, nh\u01b0ng ngay c\u1ea3 v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n, t\u00f4i c\u0169ng khuy\u00ean b\u1ea1n n\u00ean ch\u1ecdn nh\u1eefng nh\u00e0 th\u1ea7u c\u00f3 kinh nghi\u1ec7m thi c\u00f4ng c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng n\u1ebfu c\u00f3 th\u1ec3.<\/p>\n

N\u1ebfu \u0111\u00f3 l\u00e0 m\u1ed9t c\u00f4ng ty v\u1eeba c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00fd v\u1eeba c\u00f3 kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf th\u00ec s\u1ebd c\u00e0ng \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n

\n

S\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 c\u00f4ng th\u1ee9c pha tr\u1ed9n gi\u1eefa v\u1eefa phun, b\u00ea t\u00f4ng phun v\u00e0 s\u1ee3i phun<\/h2>\n

\"\u0110\u1ed9<\/p>\n

C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i c\u00f4ng ngh\u1ec7 phun.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 nh\u1ea5t l\u00e0 ph\u01b0\u01a1ng ph\u00e1p phun v\u1eefa th\u00f4ng th\u01b0\u1eddng, s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p v\u1eefa theo t\u1ef7 l\u1ec7 1:4.<\/p>\n

T\u1ef7 l\u1ec7 n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u1ee9 1 ph\u1ea7n xi m\u0103ng th\u00ec c\u00f3 4 ph\u1ea7n c\u00e1t; theo c\u00f4ng th\u1ee9c ti\u00eau chu\u1ea9n, l\u01b0\u1ee3ng xi m\u0103ng l\u00e0 420 kg v\u00e0 l\u01b0\u1ee3ng c\u00e1t l\u00e0 1.680 kg \u0111\u01b0\u1ee3c coi l\u00e0 m\u1ee9c tham kh\u1ea3o.<\/p>\n

T\u1ef7 l\u1ec7 n\u01b0\u1edbc\/xi m\u0103ng n\u1eb1m trong kho\u1ea3ng t\u1eeb 45% \u0111\u1ebfn 55%.<\/p>\n

Ngo\u00e0i c\u00e1c c\u00f4ng th\u1ee9c n\u00e0y ra, ngay c\u1ea3 \u0111\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c phun v\u1eefa, v\u1ec1 c\u01a1 b\u1ea3n c\u0169ng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn trong c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng.<\/p>\n

Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, t\u1ef7 l\u1ec7 pha tr\u1ed9n \u0111\u1eb7c bi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn \u0111\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i c\u00f4ng vi\u1ec7c \u0111\u1eb7c th\u00f9. (N\u1ebfu t\u1ef7 l\u1ec7 pha tr\u1ed9n cao \u0111\u1ebfn kho\u1ea3ng 1:3 th\u00ec v\u1eabn c\u00f3 th\u1ec3 thi c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p phun.)<\/p>\n

V\u1ec1 \u0111\u1ed9 d\u00e0y l\u1edbp phun, \u0111\u1ed1i v\u1edbi \u0111\u01b0\u1eddng t\u1ec9nh l\u1ed9, \u0111\u1ed9 d\u00e0y t\u1eeb 7 cm tr\u1edf l\u00ean \u0111\u01b0\u1ee3c coi l\u00e0 l\u1edbp thi c\u00f4ng ch\u00ednh th\u1ee9c, c\u00f2n \u0111\u1ed9 d\u00e0y d\u01b0\u1edbi m\u1ee9c \u0111\u00f3 \u0111\u01b0\u1ee3c xem l\u00e0 l\u1edbp t\u1ea1m th\u1eddi.<\/p>\n

Tr\u00ean th\u1ef1c t\u1ebf, t\u00f4i c\u00f3 c\u1ea3m gi\u00e1c r\u1eb1ng \u1edf h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng tr\u01b0\u1eddng, con s\u1ed1 n\u00e0y dao \u0111\u1ed9ng quanh m\u1ee9c 10 cm.<\/p>\n

\u0110\u1ed1i v\u1edbi qu\u1ed1c l\u1ed9, \u0111\u1ed9 d\u00e0y 15 cm \u0111\u01b0\u1ee3c coi l\u00e0 ti\u00eau chu\u1ea9n thi\u1ebft k\u1ebf, v\u00e0 tr\u00ean c\u00e1c tuy\u1ebfn qu\u1ed1c l\u1ed9, ph\u01b0\u01a1ng ph\u00e1p phun b\u00ea t\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ch\u1ee7 y\u1ebfu.<\/p>\n

\u1ede nh\u1eefng v\u00f9ng kh\u00ed h\u1eadu l\u1ea1nh, c\u00e1ch hi\u1ec3u v\u1ec1 \u0111\u1ed9 d\u00e0y s\u1ebd c\u00f3 s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3.<\/p>\n

\"L\u1ef1a<\/p>\n

Th\u1ee9 hai l\u00e0 c\u00f4ng ngh\u1ec7 phun b\u00ea t\u00f4ng, trong \u0111\u00f3 \u0111\u00e1 d\u0103m \u0111\u01b0\u1ee3c th\u00eam v\u00e0o h\u1ed7n h\u1ee3p v\u1eefa.<\/p>\n

T\u1ef7 l\u1ec7 ph\u1ed1i tr\u1ed9n l\u00e0 1 xi m\u0103ng, 4 c\u00e1t v\u00e0 1 \u0111\u00e1 d\u0103m, t\u1ef7 l\u1ec7 n\u01b0\u1edbc\/xi m\u0103ng c\u0169ng n\u1eb1m trong kho\u1ea3ng t\u1eeb 45% \u0111\u1ebfn 55%.<\/p>\n

\u0110i\u1ec3m kh\u00e1c bi\u1ec7t so v\u1edbi v\u1eefa l\u00e0 s\u1ea3n ph\u1ea9m n\u00e0y c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng ma s\u00e1t cao h\u01a1n v\u1eefa.<\/p>\n

Gi\u00e1 \u0111\u01a1n v\u1ecb c\u0169ng c\u00f3 xu h\u01b0\u1edbng gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng v\u1edbi l\u01b0\u1ee3ng \u0111\u00e1 d\u0103m \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o.<\/p>\n

Theo quan \u0111i\u1ec3m n\u00e0y, n\u1ebfu phun theo t\u1ef7 l\u1ec7 ph\u1ed1i tr\u1ed9n theo thi\u1ebft k\u1ebf, l\u01b0\u1ee3ng xi m\u0103ng s\u1eed d\u1ee5ng s\u1ebd gi\u1ea3m, \u0111\u1ed3ng th\u1eddi di\u1ec7n t\u00edch phun s\u1ebd d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi l\u01b0\u1ee3ng \u0111\u00e1 d\u0103m.<\/p>\n

C\u00f3 th\u1ec3 cho r\u1eb1ng l\u00fd do B\u1ed9 \u0110\u1ea5t \u0111ai, C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, Giao th\u00f4ng v\u00e0 Du l\u1ecbch l\u1ef1a ch\u1ecdn b\u00ea t\u00f4ng l\u00e0m v\u1eadt li\u1ec7u phun cho c\u00f4ng tr\u00ecnh ch\u00ednh l\u00e0 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 chi ph\u00ed.<\/p>\n

Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, n\u1ebfu x\u00e9t v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t c\u00f3 th\u1ec3 nh\u1eadn th\u1ea5y r\u00f5 r\u00e0ng th\u00ec c\u0169ng ch\u01b0a \u0111\u1ebfn m\u1ee9c \u0111\u00f3, n\u00ean th\u01b0\u1eddng ng\u01b0\u1eddi ta c\u00f3 xu h\u01b0\u1edbng thay th\u1ebf b\u00ea t\u00f4ng b\u1eb1ng v\u1eefa v\u00ec b\u00ea t\u00f4ng kh\u00f4ng th\u1ef1c s\u1ef1 c\u1ea7n thi\u1ebft.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p phun b\u00ea t\u00f4ng c\u00f3 nh\u01b0\u1ee3c \u0111i\u1ec3m l\u00e0 \u0111\u00e1 d\u0103m c\u00f3 th\u1ec3 b\u1ecb v\u0103ng ra trong qu\u00e1 tr\u00ecnh phun.<\/p>\n

Ngay c\u1ea3 khi \u0111\u00e3 \u0111\u1ed5 \u0111\u00e1 d\u0103m theo \u0111\u00fang t\u1ef7 l\u1ec7, tr\u00ean th\u1ef1c t\u1ebf c\u0169ng kh\u00f4ng hi\u1ebfm khi th\u1ea5y h\u01a1n m\u1ed9t n\u1eeda s\u1ed1 \u0111\u00e1 \u0111\u00f3 l\u0103n xu\u1ed1ng d\u01b0\u1edbi ch\u00e2n d\u1ed1c.<\/p>\n

S\u1ebd t\u1ed1t n\u1ebfu \u0111\u00e1 d\u0103m \u0111\u01b0\u1ee3c phun l\u00ean trong t\u00ecnh tr\u1ea1ng \u0111\u01b0\u1ee3c bao b\u1ecdc k\u1ef9 l\u01b0\u1ee1ng b\u1edfi v\u1eefa, nh\u01b0ng \u0111\u00e1 d\u0103m l\u1ea1i c\u00f3 \u0111\u1eb7c t\u00ednh d\u1ec5 b\u1ecb th\u1ea3i ra ri\u00eang l\u1ebb.<\/p>\n

V\u00ec th\u1ec3 t\u00edch v\u00e0 t\u1ef7 tr\u1ecdng kh\u00e1c nhau, d\u00f9 t\u00f4i c\u0169ng ngh\u0129 r\u1eb1ng \u0111i\u1ec1u \u0111\u00f3 ph\u1ea7n n\u00e0o l\u00e0 kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi, nh\u01b0ng qu\u1ea3 th\u1ef1c b\u00ea t\u00f4ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p phun b\u00ea t\u00f4ng kh\u00f4ng th\u1ef1c s\u1ef1 t\u01b0\u01a1ng th\u00edch v\u1edbi nhau.<\/p>\n

Th\u1ee9 ba, nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp \u1edf tr\u00ean, l\u00e0 ph\u01b0\u01a1ng ph\u00e1p phun v\u1eefa s\u1ee3i v\u00e0 b\u00ea t\u00f4ng s\u1ee3i, trong \u0111\u00f3 s\u1ee3i \u0111\u01b0\u1ee3c tr\u1ed9n tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ed7n h\u1ee3p m\u00e0 kh\u00f4ng c\u1ea7n l\u1eafp l\u01b0\u1edbi th\u00e9p.<\/p>\n

Vi\u1ec7c th\u00eam s\u1ee3i v\u00e0o \u0111\u01b0\u1ee3c cho l\u00e0 gi\u00fap gi\u1ea3m nguy c\u01a1 n\u1ee9t n\u1ebb v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 \u0111\u00f3ng b\u0103ng \u1edf m\u1ed9t m\u1ee9c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh. (Tr\u00ean th\u1ef1c t\u1ebf th\u00ec ch\u01b0a r\u00f5)<\/p>\n

Do c\u00e1c s\u1ee3i h\u01b0\u1edbng v\u1ec1 nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau h\u01a1n so v\u1edbi l\u01b0\u1edbi th\u00e9p Las, n\u00ean v\u1eefa c\u00f3 xu h\u01b0\u1edbng b\u00e1m d\u00ednh ch\u1eafc ch\u1eafn h\u01a1n.<\/p>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p phun kh\u00e1c \u0111\u1ec1u l\u00e0 nh\u1eefng k\u1ef9 thu\u1eadt \u0111\u1eb7c bi\u1ec7t m\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1edf h\u1eefu b\u1eb1ng s\u00e1ng ch\u1ebf, do \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn.<\/p>\n

\n

L\u00fd do t\u1ea1i sao vi\u1ec7c \u201cphun b\u00ea t\u00f4ng l\u00ean ph\u1ea7n \u0111\u1ea5t \u0111\u00e1\u201d l\u1ea1i nguy hi\u1ec3m trong c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e0 ri\u00eang v\u00e0 c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n<\/h2>\n

\"Phun<\/p>\n

Tr\u00ean YouTube, \u0111\u00f4i khi c\u00f3 nh\u1eefng gi\u1ea3i th\u00edch r\u1eb1ng: \u201cN\u1ebfu phun v\u1eefa l\u00ean m\u1eb7t \u0111\u1ea5t th\u00ec s\u1ebd ng\u0103n ch\u1eb7n \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng x\u00f3i m\u00f2n \u0111\u1ea5t v\u00e0 kh\u00f4ng c\u00f2n ph\u1ea3i t\u1ed1n c\u00f4ng nh\u1ed5 c\u1ecf d\u1ea1i n\u1eefa.\u201d<\/p>\n

Tr\u01b0\u1edbc h\u1ebft, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng trong c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng, vi\u1ec7c phun v\u1eefa tr\u1ef1c ti\u1ebfp l\u00ean m\u1eb7t \u0111\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ti\u00eau chu\u1ea9n.<\/p>\n

G\u1ea7n \u0111\u00e2y, \u0111\u1ec3 gi\u1ea3m b\u1edbt c\u00f4ng s\u1ee9c trong c\u00f4ng t\u00e1c l\u00e0m c\u1ecf, ng\u01b0\u1eddi ta th\u1ec9nh tho\u1ea3ng ti\u1ebfn h\u00e0nh phun ph\u1ee7 m\u1ed9t ph\u1ea7n l\u00ean c\u00e1c khu v\u1ef1c \u0111\u1ea5t c\u00e1t, nh\u01b0ng \u0111\u00e2y ch\u1ec9 l\u00e0 bi\u1ec7n ph\u00e1p t\u1ea1m th\u1eddi.<\/p>\n

M\u1ee5c \u0111\u00edch ban \u0111\u1ea7u c\u1ee7a vi\u1ec7c phun v\u1eefa v\u00e0 phun b\u00ea t\u00f4ng l\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng tr\u00ecnh b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t nh\u1eb1m ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh phong h\u00f3a c\u1ee7a n\u1ec1n \u0111\u00e1.<\/p>\n

D\u00f9 v\u1eady, t\u00f4i v\u1eabn cho r\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p phun v\u1eefa nh\u01b0 m\u1ed9t bi\u1ec7n ph\u00e1p ch\u1ed1ng c\u1ecf d\u1ea1i l\u00e0 ho\u00e0n to\u00e0n hi\u1ec7u qu\u1ea3.<\/p>\n

V\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf \u0111\u1ed9 d\u00e0y.<\/p>\n

H\u00e3y xem x\u00e9t tr\u01b0\u1eddng h\u1ee3p ti\u1ebfn h\u00e0nh phun v\u1eefa l\u00ean m\u1ed9t m\u1eb7t d\u1ed1c \u0111\u1ea5t \u0111\u00e1, n\u01a1i c\u1ecf m\u1ecdc um t\u00f9m v\u00e0 c\u00f3 nh\u1eefng c\u00e2y c\u1ed1i th\u1ea5p nh\u01b0 c\u00e2y b\u1ee5i, sau khi \u0111\u00e3 d\u1ecdn d\u1eb9p m\u1eb7t d\u1ed1c.<\/p>\n

Ngay c\u1ea3 \u0111\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh san l\u1ea5p \u0111\u1ea5t c\u00e1t c\u1ee7a khu v\u1ef1c t\u01b0 nh\u00e2n, ch\u00fang t\u00f4i c\u0169ng khuy\u1ebfn ngh\u1ecb \u0111\u1ed9 d\u00e0y l\u1edbp phun ph\u1ea3i t\u1eeb 7 cm tr\u1edf l\u00ean.<\/p>\n

N\u1ebfu c\u00f3 th\u1ec3, t\u00f4i mu\u1ed1n d\u00e0nh ra kho\u1ea3ng 10 cm.<\/p>\n

D\u00f9 c\u00f3 \u0111\u1ed9 d\u00e0y 10 cm \u0111i ch\u0103ng n\u1eefa, sau v\u00e0i n\u0103m c\u0169ng c\u00f3 th\u1ec3 r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng nh\u01b0 th\u1ebf n\u00e0y.<\/p>\n

\"M\u1eb7t<\/p>\n

M\u1eb7t d\u1ed1c v\u1ed1n l\u00e0 n\u1ec1n \u0111\u00e1 nguy\u00ean th\u1ee7y c\u00f3 th\u1ec3 b\u1ecb phong h\u00f3a theo th\u1eddi gian v\u00e0 bi\u1ebfn th\u00e0nh \u0111\u1ea5t c\u00e1t, t\u1eeb \u0111\u00f3 c\u00e2y c\u1ecf m\u1ecdc l\u00ean.<\/p>\n

C\u0169ng c\u00f3 th\u1ec3 x\u1ea3y ra tr\u01b0\u1eddng h\u1ee3p do s\u1ef1 xu\u1ed1ng c\u1ea5p theo th\u1eddi gian m\u00e0 xu\u1ea5t hi\u1ec7n c\u00e1c v\u1ebft n\u1ee9t, v\u00e0 h\u1ea1t gi\u1ed1ng xung quanh l\u1ecdt v\u00e0o \u0111\u00f3 r\u1ed3i n\u1ea3y m\u1ea7m.<\/p>\n

\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 khi phun b\u00ea t\u00f4ng l\u00ean \u0111\u1ea5t \u0111\u00e1, theo th\u1eddi gian, n\u00f3 c\u00f3 th\u1ec3 b\u1ecb xu\u1ed1ng c\u1ea5p v\u00e0 r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng nh\u01b0 th\u1ebf n\u00e0y.<\/p>\n

T\u00f4i c\u1ea3m th\u1ea5y xu h\u01b0\u1edbng n\u00e0y \u0111\u1eb7c bi\u1ec7t d\u1ec5 xu\u1ea5t hi\u1ec7n tr\u00ean nh\u1eefng s\u01b0\u1eddn d\u1ed1c thoai tho\u1ea3i.<\/p>\n

S\u1ee9c s\u1ed1ng c\u1ee7a th\u1ef1c v\u1eadt m\u1ea1nh m\u1ebd h\u01a1n ch\u00fang ta t\u01b0\u1edfng r\u1ea5t nhi\u1ec1u.<\/p>\n

Ngo\u00e0i ra, ng\u01b0\u1eddi ta c\u0169ng th\u01b0\u1eddng th\u1ea5y l\u1eddi gi\u1ea3i th\u00edch r\u1eb1ng vi\u1ec7c n\u00e0y c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 x\u00f3i m\u00f2n \u0111\u1ea5t \u0111\u00e1.<\/p>\n

\u0110i\u1ec1u \u0111\u00f3 b\u1ea3n th\u00e2n n\u00f3 l\u00e0 \u0111\u00fang, nh\u01b0ng \u0111i\u1ec3m quan tr\u1ecdng l\u00e0 \u1ed1ng tho\u00e1t n\u01b0\u1edbc \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong qu\u00e1 tr\u00ecnh phun c\u00f3 \u0111\u01b0\u1ee3c trang b\u1ecb v\u1eadt li\u1ec7u ch\u1ed1ng h\u00fat ng\u01b0\u1ee3c hay kh\u00f4ng.<\/p>\n

N\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp n\u00e0y, sau khi m\u01b0a, \u0111\u1ea5t c\u00e1t b\u00ean trong c\u00f3 th\u1ec3 b\u1ecb tr\u00f4i ra ngo\u00e0i, d\u1eabn \u0111\u1ebfn vi\u1ec7c b\u00ean trong l\u1edbp v\u1eefa phun b\u1ecb r\u1ed7ng.<\/p>\n

\"Matt<\/p>\n

Ch\u00ednh v\u00ec kh\u00f3 nh\u1eadn ra b\u1eb1ng m\u1eaft th\u01b0\u1eddng n\u00ean c\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng t\u00ecnh tr\u1ea1ng r\u1ed7ng ru\u1ed9t nh\u01b0 v\u1eady l\u1ea1i c\u00e0ng nguy hi\u1ec3m.<\/p>\n

Khi thi c\u00f4ng ph\u1ea7n \u0111\u1ea5t \u0111\u00e1 trong c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng, nh\u1ea5t thi\u1ebft ph\u1ea3i l\u1eafp \u0111\u1eb7t v\u1eadt li\u1ec7u ch\u1ed1ng x\u00f3i m\u00f2n.<\/p>\n

\u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p nh\u1eb1m \u0111\u1ea3m b\u1ea3o \u0111\u1ea5t \u0111\u00e1 b\u00ean trong kh\u00f4ng b\u1ecb cu\u1ed1n tr\u00f4i khi m\u01b0a r\u01a1i, \u0111\u1ed3ng th\u1eddi ch\u1ec9 cho ph\u00e9p n\u01b0\u1edbc tho\u00e1t ra ngo\u00e0i.<\/p>\n

N\u1ebfu ph\u1ea7n n\u1ec1n \u0111\u1ea5t t\u1ea1i nh\u00e0 qu\u00fd v\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c thi c\u00f4ng b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p phun v\u1eefa, qu\u00fd v\u1ecb n\u00ean ki\u1ec3m tra xem li\u1ec7u v\u1eadt li\u1ec7u ch\u1ed1ng th\u1ea5m n\u00e0y c\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hay kh\u00f4ng.<\/p>\n

H\u00e3y d\u00f9ng b\u00faa g\u00f5 nh\u1eb9 v\u00e0o b\u1ec1 m\u1eb7t v\u1eefa; nh\u1eefng ch\u1ed7 ph\u00e1t ra \u00e2m thanh nh\u1eb9 c\u00f3 th\u1ec3 l\u00e0 do v\u1eefa b\u1ecb bong tr\u00f3c.<\/p>\n

\"Ki\u1ec3m<\/p>\n

Vi\u1ec7c n\u1ed5i l\u00ean c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c coi l\u00e0 d\u1ea5u hi\u1ec7u cho th\u1ea5y b\u00ean trong \u0111\u00e3 b\u1ecb r\u1ed7ng.<\/p>\n

\n

Theo \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf\uff5cC\u00e1c ti\u00eau chu\u1ea9n tham kh\u1ea3o khi xem x\u00e9t s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p phun t\u1ea1i nh\u00e0 ri\u00eang<\/h2>\n

\"T\u00ecnh<\/p>\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00f4ng tr\u01b0\u1eddng khi xem x\u00e9t vi\u1ec7c phun v\u1eefa t\u1ea1i c\u00e1c c\u00f4ng tr\u00ecnh nh\u00e0 \u1edf th\u00f4ng th\u01b0\u1eddng th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c tr\u01b0\u1eddng h\u1ee3p nh\u01b0 sau.<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p th\u1ee9 nh\u1ea5t l\u00e0 n\u01a1i c\u00f3 nhi\u1ec1u c\u1ecf d\u1ea1i, khi\u1ebfn chi ph\u00ed b\u1ea3o tr\u00ec h\u00e0ng n\u0103m t\u0103ng cao.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, sau khi \u0111\u00e3 ti\u1ebfn h\u00e0nh l\u00e0m s\u1ea1ch m\u1eb7t d\u1ed1c m\u1ed9t c\u00e1ch k\u1ef9 l\u01b0\u1ee1ng, ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb \u0111\u1ed9 d\u00e0y l\u1edbp phun ph\u1ea3i \u0111\u1ea1t \u00edt nh\u1ea5t 7 cm.<\/p>\n

Ngay c\u1ea3 khi \u0111\u1ed9 d\u1ed1c nh\u1eb9, nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u1eabn gi\u1ed1ng nhau: c\u1ea7n l\u1eafp \u0111\u1eb7t v\u1eadt li\u1ec7u ch\u1ed1ng h\u00fat v\u00e0o \u1ed1ng tho\u00e1t n\u01b0\u1edbc c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t.<\/p>\n

\u0110\u1ec3 thu\u1eadn ti\u1ec7n cho vi\u1ec7c qu\u1ea3n l\u00fd, b\u1ea1n n\u00ean b\u1ed1 tr\u00ed c\u00e1c khu v\u1ef1c c\u00f3 th\u1ec3 \u0111i l\u1ea1i theo ki\u1ec3u b\u1eadc thang.<\/p>\n

V\u1ec1 b\u1ea3n ch\u1ea5t, s\u01b0\u1eddn d\u1ed1c kh\u00f4ng ph\u1ea3i l\u00e0 n\u01a1i m\u00e0 nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng c\u00f3 kinh nghi\u1ec7m c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng leo l\u00ean.<\/p>\n

Vi\u1ec7c lo\u1ea1i b\u1ecf c\u1ecf m\u1ecdc t\u1eeb c\u00e1c v\u1ebft n\u1ee9t v\u00e0 bi\u1ebfn d\u1ea1ng tr\u00ean m\u1eb7t d\u1ed1c l\u00e0 m\u1ed9t h\u1ea1ng m\u1ee5c qu\u1ea3n l\u00fd quan tr\u1ecdng, do \u0111\u00f3, ch\u00fang t\u00f4i \u0111\u1ec1 xu\u1ea5t x\u00e2y d\u1ef1ng c\u1ea7u thang b\u1eb1ng v\u1eefa.<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p th\u1ee9 hai l\u00e0 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p m\u1ed7i khi m\u01b0a xu\u1ed1ng, \u0111\u1ea5t \u0111\u00e1 l\u1ea1i b\u1ecb x\u00f3i m\u00f2n tr\u00f4i \u0111i, ho\u1eb7c n\u1ec1n m\u00f3ng c\u1ee7a ng\u00f4i nh\u00e0 \u0111\u00e3 b\u1eaft \u0111\u1ea7u l\u1ed9 ra.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, n\u00ean l\u1ea5y \u0111\u1ed9 d\u00e0y l\u1edbp phun t\u1eeb 10 cm tr\u1edf l\u00ean l\u00e0m ti\u00eau chu\u1ea9n v\u00e0 l\u1eafp \u0111\u1eb7t v\u1eadt li\u1ec7u ch\u1ed1ng h\u00fat ng\u01b0\u1ee3c v\u00e0o \u1ed1ng tho\u00e1t n\u01b0\u1edbc.<\/p>\n

Do c\u00f3 tr\u01b0\u1eddng h\u1ee3p s\u01b0\u1eddn d\u1ed1c \u0111\u1ee9ng, n\u00ean \u0111\u1ed9 d\u00e0y s\u1ebd \u0111\u01b0\u1ee3c t\u00ednh d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n 10 cm.<\/p>\n

T\u1ea1i nh\u1eefng v\u1ecb tr\u00ed c\u00f3 nguy c\u01a1 s\u1ee5p \u0111\u1ed5, ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb n\u00ean s\u1eed d\u1ee5ng c\u1ed1t th\u00e9p t\u1eeb D10 \u0111\u1ebfn D16 \u0111\u1ec3 t\u1ea1o th\u00e0nh khung l\u01b0\u1edbi.<\/p>\n

Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1eddng k\u00ednh c\u1ed1t th\u00e9p nh\u1ecf, ng\u01b0\u1eddi ta th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u01b0\u1edbi c\u00f3 k\u00edch th\u01b0\u1edbc \u00f4 vu\u00f4ng 200 mm ho\u1eb7c 300 mm.<\/p>\n

Khi s\u1eed d\u1ee5ng D16, do l\u1edbp ph\u1ee7 b\u00ea t\u00f4ng tr\u00ean c\u1ed1t th\u00e9p th\u01b0\u1eddng r\u1ea5t m\u1ecfng, n\u00ean c\u1ea7n \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y l\u1edbp phun \u00edt nh\u1ea5t l\u00e0 10 cm.<\/p>\n

N\u1ebfu ph\u1ea7n d\u01b0\u1edbi c\u1ee7a n\u1ec1n m\u00f3ng l\u1ed9 ra, h\u00e3y bao b\u1ecdc k\u1ef9 khu v\u1ef1c xung quanh \u0111\u1ec3 ng\u0103n ch\u1eb7n t\u1ed1i \u0111a c\u00e1c khe h\u1edf khi\u1ebfn n\u01b0\u1edbc m\u01b0a th\u1ea5m v\u00e0o khi tr\u1eddi m\u01b0a.<\/p>\n

\u0110\u1ec3 gi\u1ea3m t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc m\u01b0a, \u0111\u00f4i khi ng\u01b0\u1eddi ta ti\u1ebfn h\u00e0nh phun b\u00ea t\u00f4ng theo t\u1eebng t\u1ea7ng ho\u1eb7c l\u1eafp \u0111\u1eb7t l\u01b0\u1edbi \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n

\"H\u1ed7<\/p>\n

Tr\u01b0\u1eddng h\u1ee3p th\u1ee9 ba l\u00e0 khi t\u01b0\u1eddng \u0111\u00e1 \u0111ang b\u1ecb s\u1ee5p \u0111\u1ed5 ho\u1eb7c n\u00fai \u0111ang ph\u00ecnh ra (hi\u1ec7n t\u01b0\u1ee3ng ph\u00ecnh ra).<\/p>\n

Tr\u01b0\u1edbc ti\u00ean, c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 l\u00e0 s\u1ebd th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p \u0111\u1ed1i v\u1edbi ch\u00ednh ph\u1ea7n t\u01b0\u1eddng \u0111\u00e1 hay \u0111\u1ed1i v\u1edbi nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u1eddng b\u1ecb l\u00fan.<\/p>\n

\u0110\u1ed9 d\u00e0y l\u1edbp phun th\u01b0\u1eddng t\u1eeb 10 cm tr\u1edf l\u00ean; \u0111\u1ec3 ph\u00f2ng ng\u1eeba s\u1ea1t l\u1edf, ng\u01b0\u1eddi ta th\u01b0\u1eddng k\u1ebft h\u1ee3p c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 c\u1eafm c\u1ed1t th\u00e9p v\u00e0 khoan tho\u00e1t n\u01b0\u1edbc.<\/p>\n

Khi k\u1ebft h\u1ee3p ph\u01b0\u01a1ng ph\u00e1p phun v\u1eefa v\u1edbi c\u00f4ng t\u00e1c l\u1eafp \u0111\u1eb7t c\u1ed1t th\u00e9p, c\u1ea7n ti\u1ebfn h\u00e0nh l\u1eafp \u0111\u1eb7t l\u01b0\u1edbi c\u1ed1t th\u00e9p.<\/p>\n

Vi\u1ec7c c\u00f3 l\u1eafp \u0111\u1eb7t t\u1ea5m ch\u1ecbu \u00e1p l\u1ef1c hay kh\u00f4ng t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf.<\/p>\n

Trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p, xin h\u00e3y coi v\u1eadt li\u1ec7u ch\u1ed1ng h\u00fat l\u00e0 kh\u00f4ng th\u1ec3 thi\u1ebfu.<\/p>\n

Khi thi c\u00f4ng tr\u00ean khu v\u1ef1c \u0111\u1ea5t \u0111\u00e1, c\u0169ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p tr\u1ea3i th\u1ea3m l\u00ean to\u00e0n b\u1ed9 m\u1eb7t d\u1ed1c, c\u1ed1 \u0111\u1ecbnh ch\u1eafc ch\u1eafn r\u1ed3i m\u1edbi ti\u1ebfn h\u00e0nh phun ph\u1ee7.<\/p>\n

N\u1ebfu c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a \u0111\u1ea5t \u0111\u00e1 n\u00f3i chung, th\u00ec c\u0169ng c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u1ea3y ra t\u1eeb h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc.<\/p>\n

Ngay c\u1ea3 \u1edf nh\u1eefng n\u01a1i c\u00f3 n\u01b0\u1edbc su\u1ed1i phun l\u00ean t\u1eeb l\u1edbp \u0111\u00e1 n\u1ec1n, ng\u01b0\u1eddi ta \u0111\u00f4i khi c\u0169ng s\u1eed d\u1ee5ng th\u1ea3m, n\u00ean v\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft th\u00ec c\u00e1ch l\u00e0m n\u00e0y c\u0169ng kh\u00f4ng c\u00f3 g\u00ec qu\u00e1 \u0111\u1eb7c bi\u1ec7t.<\/p>\n

Thay v\u00e0o \u0111\u00f3, vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 d\u00e0y l\u1ea1i tr\u1edf n\u00ean r\u1ea5t quan tr\u1ecdng.<\/p>\n

V\u1ec1 c\u01a1 b\u1ea3n, nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a c\u00f4ng vi\u1ec7c phun v\u1eefa l\u00e0 ph\u1ea3i b\u00e1m ch\u1eb7t v\u00e0o \u0111\u00e1.<\/p>\n

C\u00f3 th\u1ec3 n\u00f3i r\u1eb1ng vi\u1ec7c thi c\u00f4ng t\u1ea1i khu v\u1ef1c \u0111\u1ea5t \u0111\u00e1 l\u00e0 m\u1ed9t c\u00e1ch s\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng, kh\u00e1c v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ban \u0111\u1ea7u.<\/p>\n

Tuy nhi\u00ean, x\u00e9t \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu nh\u00e2n l\u1ef1c v\u00e0 s\u1ef1 ph\u1ee9c t\u1ea1p trong vi\u1ec7c qu\u1ea3n l\u00fd, th\u1ef1c t\u1ebf l\u00e0 ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p bu\u1ed9c ph\u1ea3i s\u1eed d\u1ee5ng bi\u1ec7n ph\u00e1p n\u00e0y \u0111\u1ec3 ng\u0103n c\u1ecf d\u1ea1i.<\/p>\n

N\u1ebfu thi c\u00f4ng c\u1ea9u th\u1ea3 v\u00e0 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p sai l\u1ea7m, ng\u01b0\u1eddi g\u1eb7p r\u1eafc r\u1ed1i sau n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 m\u00e0 c\u00f2n c\u1ea3 c\u00e1c nh\u00e0 th\u1ea7u nh\u01b0 ch\u00fang t\u00f4i n\u1eefa.<\/p>\n

N\u1ebfu \u0111\u00e3 thi c\u00f4ng th\u00ec ch\u00fang t\u00f4i mong mu\u1ed1n mang \u0111\u1ebfn cho c\u00e1c h\u1ed9 gia \u0111\u00ecnh th\u00f4ng th\u01b0\u1eddng nh\u1eefng c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c thi c\u00f4ng m\u1ed9t c\u00e1ch ch\u1eafc ch\u1eafn.<\/p>\n

\n

C\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ea7n tu\u00e2n th\u1ee7 khi phun v\u1eefa l\u00ean t\u01b0\u1eddng \u0111\u00e1 x\u1ebfp (t\u01b0\u1eddng \u0111\u00e1 x\u1ebfp l\u1ecfng l\u1ebbo)<\/h2>\n

\"T\u01b0\u1eddng<\/p>\n

C\u00f3 v\u1ebb nh\u01b0 c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 nh\u00e0 th\u1ea7u khuy\u00ean r\u1eb1ng: \u201cH\u00e3y tr\u00e1t v\u1eefa l\u00ean to\u00e0n b\u1ed9 \u0111\u1ec3 ng\u0103n kh\u00f4ng cho t\u01b0\u1eddng \u0111\u00e1 b\u1ecb s\u1ee5p \u0111\u1ed5!\u201d<\/p>\n

M\u1eb7c d\u00f9 b\u1ea3n th\u00e2n ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f3 \u0111\u00e3 t\u1ed3n t\u1ea1i, nh\u01b0ng v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng l\u00e0 li\u1ec7u ph\u01b0\u01a1ng ph\u00e1p \u0111\u00f3 c\u00f3 \u0111\u00fang hay kh\u00f4ng.<\/p>\n

H\u1ea7u h\u1ebft c\u00e1c c\u00f4ng tr\u00ecnh x\u1ebfp \u0111\u00e1 \u0111\u1ec1u c\u00f3 c\u1ea5u tr\u00fac g\u1ecdi l\u00e0 \u201cx\u1ebfp \u0111\u00e1 l\u1ecfng\u201d, t\u1ee9c l\u00e0 ch\u1ec9 \u0111\u01a1n thu\u1ea7n \u0111\u1eb7t \u0111\u00e1 l\u00ean tr\u00ean m\u1eb7t \u0111\u1ea5t.<\/p>\n

Trong c\u00e1c c\u00f4ng tr\u00ecnh t\u01b0\u1eddng \u0111\u00e1 c\u1ed5, \u0111\u00f4i khi kh\u00f4ng c\u00f3 v\u1eefa tr\u00e1m khe.<\/p>\n

C\u0169ng c\u00f3 nh\u1eefng tr\u01b0\u1eddng h\u1ee3p sau \u0111\u00f3 m\u1edbi ti\u1ebfn h\u00e0nh thi c\u00f4ng th\u00eam c\u00e1c \u0111\u01b0\u1eddng n\u1ed1i b\u1eb1ng v\u1eefa.<\/p>\n

\"Khe<\/p>\n

N\u1ebfu ti\u1ebfn h\u00e0nh phun v\u1eefa t\u1eeb tr\u00ean xu\u1ed1ng trong t\u00ecnh tr\u1ea1ng nh\u01b0 v\u1eady, s\u1ebd c\u00f2n l\u1ea1i nhi\u1ec1u c\u1eb7n b\u1ea9n, d\u1eabn \u0111\u1ebfn vi\u1ec7c v\u1eefa kh\u00f4ng b\u00e1m d\u00ednh v\u00e0o \u0111\u00e1.<\/p>\n

Do \u0111\u00f3, c\u1ea7n ph\u1ea3i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t c\u00e1c \u0111i\u1ec1u ki\u1ec7n sau \u0111\u00e2y.<\/p>\n

Ph\u1ea3i l\u00e0m s\u1ea1ch k\u1ef9 b\u1ec1 m\u1eb7t t\u01b0\u1eddng \u0111\u00e1 b\u1eb1ng m\u00e1y phun \u00e1p l\u1ef1c cao.<\/p>\n

Ph\u1ea3i lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n t\u1ea5t c\u1ea3 c\u00e1c khe n\u1ed1i hi\u1ec7n c\u00f3.<\/p>\n

Ph\u1ea3i l\u1eafp \u0111\u1eb7t \u1ed1ng tho\u00e1t n\u01b0\u1edbc v\u00e0o n\u1ec1n \u0111\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc ch\u1ea3y ra \u0111\u1ebfn b\u1ec1 m\u1eb7t v\u1eefa.<\/p>\n

B\u1ec1 m\u1eb7t t\u01b0\u1eddng \u0111\u00e1 kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c gia c\u1ed1 b\u1eb1ng l\u01b0\u1edbi th\u00e9p m\u00e0 c\u00f2n ph\u1ea3i k\u1ebft h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng c\u1ed1t th\u00e9p c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t.<\/p>\n

\"Th\u1ee3<\/p>\n

N\u1ebfu ph\u1ea7n s\u00e2u b\u00ean trong khe n\u1ed1i b\u1ecb r\u1ed7ng, h\u00e3y b\u01a1m v\u1eefa v\u00e0o th\u1eadt k\u1ef9.<\/p>\n

T\u00f4i tin r\u1eb1ng n\u1ebfu tu\u00e2n th\u1ee7 c\u00e1c \u0111i\u1ec1u ki\u1ec7n n\u00e0y, tu\u1ed5i th\u1ecd c\u1ee7a c\u00f4ng tr\u00ecnh x\u00e2y b\u1eb1ng \u0111\u00e1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i th\u00eam v\u00e0i ch\u1ee5c n\u0103m tr\u1edf l\u00ean.<\/p>\n

N\u1ebfu c\u00f3 th\u1ec3, \u0111\u1ec3 h\u1ea1n ch\u1ebf s\u1ef1 gia t\u0103ng \u00e1p su\u1ea5t n\u01b0\u1edbc khe h\u1edf do \u00e1p l\u1ef1c b\u00ean trong g\u00e2y ra b\u1edfi m\u01b0a l\u1edbn, v.v., vi\u1ec7c khoan l\u1ed7 tho\u00e1t n\u01b0\u1edbc v\u1edbi \u0111\u1ed9 s\u00e2u \u00edt nh\u1ea5t 4,0m s\u1ebd gi\u00fap \u0111\u1ea3m b\u1ea3o an to\u00e0n h\u01a1n.<\/p>\n

G\u1ea7n \u0111\u00e2y, nhu c\u1ea7u k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n c\u00f3 \u0111ang ng\u00e0y c\u00e0ng t\u0103ng cao h\u01a1n so v\u1edbi vi\u1ec7c x\u00e2y d\u1ef1ng l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n

Th\u1ef1c t\u1ebf, v\u1ec1 m\u1eb7t chi ph\u00ed, ph\u01b0\u01a1ng \u00e1n \u0111\u00f3 th\u01b0\u1eddng r\u1ebb h\u01a1n.<\/p>\n

Ch\u00fang t\u00f4i \u0111ang th\u1ef1c hi\u1ec7n c\u00e1c c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n trong khi v\u1eabn tr\u0103n tr\u1edf v\u1ec1 vi\u1ec7c l\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n c\u00f3 m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i c\u1ea5u tr\u00fac ban \u0111\u1ea7u.<\/p>\n

Ch\u00ednh v\u00ec vi\u1ec7c s\u1eeda ch\u1eefa n\u00e0y c\u00f3 quy m\u00f4 l\u00ean \u0111\u1ebfn h\u00e0ng tri\u1ec7u y\u00ean do c\u00e1 nh\u00e2n t\u1ef1 th\u1ef1c hi\u1ec7n, n\u00ean t\u00f4i ngh\u0129 r\u1eb1ng n\u1ebfu ch\u1ee7 nh\u00e0 c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 ki\u1ebfn th\u1ee9c nh\u1ea5t \u0111\u1ecbnh th\u00ec s\u1ebd d\u1ec5 d\u00e0ng l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c ph\u01b0\u01a1ng \u00e1n thi c\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng h\u01a1n.<\/p>\n

\n

C\u00f4ng vi\u1ec7c phun v\u1eefa l\u00e0 lo\u1ea1i c\u00f4ng tr\u00ecnh m\u00e0 n\u1ebfu l\u01a1 l\u00e0 d\u00f9 ch\u1ec9 m\u1ed9t kh\u00e2u n\u00e0o \u0111\u00f3 \u2013 nh\u01b0 l\u00e0m s\u1ea1ch m\u1eb7t d\u1ed1c, l\u1eafp l\u01b0\u1edbi th\u00e9p, pha tr\u1ed9n h\u1ed7n h\u1ee3p hay \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 d\u00e0y l\u1edbp phun \u2013 th\u00ec s\u1ebd \u0111\u1ec3 l\u1ea1i nh\u1eefng \u0111i\u1ec3m y\u1ebfu kh\u00f3 nh\u1eadn ra b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/p>\n

M\u1ed7i ti\u00eau chu\u1ea9n chi ti\u1ebft \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng qua c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng c\u1ed9ng \u0111\u1ec1u c\u00f3 l\u00fd do ch\u00ednh \u0111\u00e1ng c\u1ee7a n\u00f3.<\/p>\n

T\u00f4i cho r\u1eb1ng vi\u1ec7c \u0111\u00e2y l\u00e0 c\u00f4ng tr\u00ecnh t\u1ea1i nh\u00e0 ri\u00eang hay c\u00f4ng tr\u00ecnh t\u01b0 nh\u00e2n kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd do \u0111\u1ec3 c\u00f3 th\u1ec3 b\u1ecf qua c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00f3.<\/p>\n

T\u00f4i hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u1ea7n n\u00e0o h\u1eefu \u00edch nh\u01b0 m\u1ed9t c\u01a1 s\u1edf \u0111\u1ec3 qu\u00fd v\u1ecb \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn m\u1ed9t c\u00f4ng tr\u00ecnh thi c\u00f4ng ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n

 <\/p>\n

H\u1eb9n g\u1eb7p l\u1ea1i nh\u00e9.<\/p>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Xin ch\u00e0o m\u1ecdi ng\u01b0\u1eddi. T\u00f4i l\u00e0 Enta. G\u1ea7n \u0111\u00e2y, tr\u00ean YouTube c\u0169ng xu\u1ea5t hi\u1ec7n ng\u00e0y c\u00e0ng nhi\u1ec1u video v\u1ec1 k\u1ef9 thu\u1eadt phun v\u1eefa. Vi\u1ec7c c\u00f3 th\u00eam th\u00f4ng tin l\u00e0 \u0111i\u1ec1u t\u1ed1t, nh\u01b0ng \u0111i k\u00e8m v\u1edbi \u0111\u00f3, nh\u1eefng ki\u1ebfn th\u1ee9c sai l\u1ec7ch c\u0169ng c\u00f3 th\u1ec3 lan truy\u1ec1n theo. Tr\u01b0\u1edbc \u0111\u00e2y, t\u00f4i t\u1eebng nh\u1eadn \u0111\u01b0\u1ee3c c\u00e2u h\u1ecfi t\u1eeb m\u1ed9t c\u00f4ng ty x\u00e2y d\u1ef1ng t\u01b0 nh\u00e2n r\u1eb1ng: \u201cV\u1ec1 v\u1eefa\u2026\u201d<\/p>","protected":false},"author":2,"featured_media":66626,"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":[4529,37],"tags":[138,139,1213,2831],"class_list":["post-66569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-for-everyone","category-mortar-spraying","tag-138","tag-139","tag-1213","tag-2831"],"acf":[],"yoast_head":"\n\u30e2\u30eb\u30bf\u30eb\u5439\u4ed8\u5de5\u3068\u306f\uff5c\u4e00\u822c\u5411\u3051\u3001\u500b\u4eba\u5b85\u30fb\u6c11\u9593\u5de5\u4e8b\u3067\u5931\u6557\u3057\u306a\u3044\u5439\u4ed8\u539a\u3084\u57fa\u790e\u77e5\u8b58 - 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