{"id":1030,"date":"2018-04-21T16:13:57","date_gmt":"2018-04-21T09:13:57","guid":{"rendered":"https:\/\/mayxaydunghanoi.com\/?p=1030"},"modified":"2025-12-13T02:52:20","modified_gmt":"2025-12-12T19:52:20","slug":"bien-phap-thi-cong-khoan-coc-nhoi-bang-may-khoan-dap-cap","status":"publish","type":"post","link":"https:\/\/mayxaydunghanoi.com\/vi\/bien-phap-thi-cong-khoan-coc-nhoi-bang-may-khoan-dap-cap\/","title":{"rendered":"Bi\u1ec7n ph\u00e1p thi c\u00f4ng khoan c\u1ecdc nh\u1ed3i b\u1eb1ng m\u00e1y khoan \u0111\u1eadp c\u00e1p"},"content":{"rendered":"

C\u00f4ng ty Hanoi Vietnam chuy\u00ean nh\u1eadn thi c\u00f4ng khoan c\u1ecdc nh\u1ed3i b\u1eb1ng m\u00e1y khoan \u0111\u1eadp c\u00e1p<\/a>. K\u00ednh m\u1eddi qu\u00fd kh\u00e1ch xem bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u1ee7a ch\u00fang t\u00f4i d\u01b0\u1edbi \u0111\u00e2y.<\/h2>\n

C\u00f4ng ngh\u1ec7 thi c\u00f4ng c\u1ecdc khoan nh\u1ed3i hi\u1ec7n nay c\u00f3 nhi\u1ec1u lo\u1ea1i c\u00f4ng ngh\u1ec7 kh\u00e1c nhau trong \u0111\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u00e2n chia theo c\u00e1ch khoan \u0111\u1ea5t, khoan \u0111\u00e1 \u0111\u1ec3 t\u1ea1o l\u1ed7 khoan. Thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 khoan c\u1ecdc nh\u1ed3i s\u1ebd \u0111\u01b0\u1ee3c ch\u1ecdn sao cho c\u00f3 c\u00f4ng ngh\u1ec7 khoan ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi \u0111\u1ecba ch\u1ea5t l\u00e0m n\u1ec1n m\u00f3ng cho c\u00f4ng tr\u00ecnh nh\u01b0: khoan tu\u1ea7n ho\u00e0n ngh\u1ecbch, ki\u1ec3u khoan xoay, khoan xoay ru\u1ed9t g\u00e0, khoan \u0111\u1eadp c\u00e1p…<\/p>\n

V\u1edbi \u0111\u1ecba ch\u1ea5t \u0111\u00e3 kh\u1ea3o s\u00e1t t\u1ea1i c\u1ea7u LRB08 th\u00ec c\u00f4ng ngh\u1ec7 khoan b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p khoan \u0111\u1eadp c\u00e1p \u0111\u01b0\u1ee3c xem ph\u00f9 h\u1ee3p h\u01a1n so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p khoan kh\u00e1c, c\u00f3 th\u1ec3 khoan v\u1edbi \u0111\u01b0\u1eddng k\u00ednh l\u1edbn m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, r\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 kinh t\u1ebf.<\/p>\n

M\u00e1y m\u00f3c thi\u1ebft b\u1ecb thi c\u00f4ng c\u1ecdc khoan nh\u1ed3i:<\/h3>\n

D\u01b0\u1edbi \u0111\u00e2y l\u00e0 \u0111\u1ec1 xu\u1ea5t m\u00e1y m\u00f3c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c thi c\u00f4ng c\u1ecdc khoan nh\u1ed3i:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
TT<\/strong><\/td>\nThi\u1ebft b\u1ecb<\/strong><\/td>\nM\u00f4 t\u1ea3<\/strong><\/td>\n\u0110\u01a1n v\u1ecb<\/strong><\/td>\nS\u1ed1\u00a0 l\u01b0\u1ee3ng<\/strong><\/td>\nGhi ch\u00fa<\/strong><\/td>\n<\/tr>\n
1<\/td>\nM\u00e1y \u1ee7i<\/td>\n110Cv<\/td>\nC\u00e1i<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
2<\/td>\nM\u00e1y \u0111\u00e0o<\/td>\n0.4 – 0.7 m3<\/td>\nC\u00e1i<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
3<\/td>\nC\u1ea7n c\u1ea9u KH125<\/td>\nC\u1ed1u b\u00e1nh x\u00edch, R = 30m<\/td>\nC\u00e1i<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
4<\/td>\nThi\u1ebft b\u1ecb khoan gi\u00e3<\/td>\nTr\u1ecdn b\u1ed9<\/td>\nB\u1ed9<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
5<\/td>\nM\u00e1y ph\u00e1t \u0111i\u1ec7n<\/td>\n220 KVA<\/td>\nC\u00e1i<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
6<\/td>\nM\u00e1y c\u1eaft th\u00e9p<\/td>\nDmax 32mm<\/td>\nC\u00e1i<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
7<\/td>\nM\u00e1y u\u1ed1n th\u00e9p<\/td>\nDmax 32mm<\/td>\nC\u00e1i<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
8<\/td>\nM\u00e1y h\u00e0n<\/td>\n23 KVA<\/td>\nC\u00e1i<\/td>\n4<\/td>\n<\/td>\n<\/tr>\n
9<\/td>\nM\u00e1y n\u00e9n kh\u00ed<\/td>\n7kg\/com<\/td>\nC\u00e1i<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
10<\/td>\nB\u1ed9 TN Bentonite hi\u1ec7n tr\u00ad\u1eddng<\/td>\nTr\u1ecdn b\u1ed9<\/td>\nB\u1ed9<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
11<\/td>\n\u00d4 t\u00f4 v\u1eadn chuy\u1ec3n<\/td>\n10 t\u1ea5n<\/td>\nXe<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
12<\/td>\nXe mix<\/td>\n9 m3<\/td>\nXe<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
13<\/td>\nThi\u1ebft b\u1ecb x\u00f3i h\u00fat v\u1ec7 sinh c\u1ecdc<\/td>\n<\/td>\nB\u1ed9<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
14<\/td>\nTr\u1ea1m tr\u1ed9n b\u00ea t\u00f4ng<\/td>\n60 m3\/h<\/td>\nTr\u1ea1m<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n
15<\/td>\nB\u00faa rung<\/td>\n45 – 60 KW<\/td>\nC\u00e1i<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
16<\/td>\nM\u00e1y b\u01a1m n\u00ad\u01b0\u1edbc h\u1ed1 m\u00f3ng<\/td>\n200 m3\/h<\/td>\nC\u00e1i<\/td>\n2<\/td>\n<\/td>\n<\/tr>\n
17<\/td>\nB\u1ed9 thi\u1ebft b\u1ecb cung c\u1ea5p bentonite<\/td>\n<\/td>\nSet<\/td>\n1<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

D\u00e2y chuy\u1ec1n thi\u1ebft b\u1ecb khoan:<\/h3>\n

C\u00e1c th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n c\u1ee7a m\u00e1y khoan ck1500.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
H\u1ea1ng m\u1ee5c<\/strong><\/td>\nTh\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/strong><\/td>\n<\/tr>\n
\u0110\u01af\u1edcNG K\u00cdNH L\u1ed6 KHOAN<\/td>\nT\u1eea 1000-1500MM<\/td>\n<\/tr>\n
\u0110\u1ed8 S\u00c2U KHOAN<\/td>\n80M<\/td>\n<\/tr>\n
K\u00cd HI\u1ec6U T\u1edcI CH\u00cdNH<\/td>\nJK5 ; 2JK5<\/td>\n<\/tr>\n
TR\u1eccNG L\u01af\u1ee2NG T\u1edcI<\/td>\n1.5T<\/td>\n<\/tr>\n
L\u1ef0C K\u1eabO \u1ed4N \u0110\u1ecaNH<\/td>\n50KN<\/td>\n<\/tr>\n
\u0110\u01af\u1edcNG K\u00cdNH C\u00c1P<\/td>\n28MM<\/td>\n<\/tr>\n
C\u00d4NG SU\u1ea4T M\u00d4 T\u01a0<\/td>\n37KW<\/td>\n<\/tr>\n
T\u1ea6N S\u1ed0 \u0110\u1ed8T D\u1eacP<\/td>\n5-6 R\/PHUT<\/td>\n<\/tr>\n
\u0110\u1ed8 D\u00c0I<\/td>\n6000MM<\/td>\n<\/tr>\n
\u0110\u1ed8 R\u1ed8NG<\/td>\n2200MM<\/td>\n<\/tr>\n
\u0110\u1ed8 CAO<\/td>\n6300MM<\/td>\n<\/tr>\n
TR\u1eccNG L\u01af\u1ee2NG TO\u00c0N M\u00c1Y<\/td>\n8.5T ; 9T<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

– Ngo\u00e0i ra c\u00f2n c\u00f3 c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5 tr\u1ee3 kh\u00e1c g\u1ed3m c\u00f3: M\u00e1y khu\u1ea5y, M\u00e1y tr\u1ed9n Bentonite, b\u01a1m, m\u00e1y t\u00e1ch c\u00e1t , m\u00e1y n\u00e9n kh\u00ed\u2026..<\/p>\n

C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb thi c\u00f4ng:<\/h3>\n

1. T\u1ed5 ch\u1ee9c c\u00f4ng tr\u01b0\u1eddng thi c\u00f4ng:<\/strong><\/h4>\n
\"Bi\u1ec7n
S\u01a1 \u0111\u1ed3 t\u1ed5 ch\u1ee9c c\u00f4ng tr\u01b0\u1eddng<\/figcaption><\/figure>\n

2. T\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng:<\/strong>
\n2.1 C\u00e1c b\u01b0\u1edbc t\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng:<\/strong><\/h4>\n

2.1.1. C\u00f4ng t\u00e1c \u0111o \u0111\u1ea1c:<\/span><\/p>\n

– \u0110o \u0111\u1ea1c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed m\u1ed1 tr\u1ee5 ch\u00ednh x\u00e1c, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh t\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng c\u1ecdc, \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 di\u1ec7n t\u00edch \u0111\u1ec3 \u0111\u1eb7t c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng ngo\u00e0i ra ph\u1ea3i \u0111\u1ea3m b\u1ea3o tho\u00e1t n\u01b0\u1edbc t\u1ed1t, c\u00f3 \u0111\u01b0\u1eddng ra v\u00e0o cho xe c\u1ea9u ph\u1ee5c v\u1ee5, xe v\u1eadn chuy\u1ec3n m\u00f9n khoan. V\u1ecb tr\u00ed t\u00e2m l\u1ed7 khoan \u0111\u01b0\u1ee3c \u0111\u00f3ng \u1ed1ng v\u00e1ch ph\u1ee5 qua l\u1edbp n\u1ec1n \u0111\u1ea5t y\u1ebfu (theo b\u1ea3n v\u1ebd t\u1ed5 ch\u1ee9c thi c\u00f4ng c\u1ee7a t\u1eebng tr\u1ee5) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1ed7 khoan v\u00e0 ch\u1ed1ng s\u1ee5t l\u1edbp \u0111\u1ea5t b\u1ec1 m\u1eb7t v\u00e0o h\u1ed1 khoan do nh\u1eefng t\u00e1c \u0111\u1ed9ng khi thi c\u00f4ng.
\n– Khi thi c\u00f4ng tr\u00ean s\u00f4ng th\u00ec l\u00e0m h\u1ec7 s\u00e0n \u0111\u1ea1o ho\u1eb7c \u0111\u1eafp \u0111\u1ea3o thi c\u00f4ng \u0111\u1ec3 t\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng.
\n– S\u1eed d\u1ee5ng m\u00e1y \u1ee7i k\u1ebft h\u1ee3p th\u1ee7 c\u00f4ng (ho\u1eb7c b\u01a1m c\u00e1t v\u00e0o h\u1ed1 m\u00f3ng) ti\u1ebfn h\u00e0nh san l\u1ea5p t\u1ea1o m\u1eb7t b\u1eb1ng thi c\u00f4ng.<\/p>\n

2.1.2. L\u1eafp h\u1ec7 th\u00e9p h\u00ecnh:<\/span><\/p>\n

Ti\u1ebfn h\u00e0nh l\u1eafp c\u00e1c h\u1ec7 th\u00e9p h\u00ecnh (n\u1ebfu c\u1ea7n cho t\u1eebng lo\u1ea1i m\u00e1y khoan) l\u00e0m \u0111\u01b0\u1eddng di chuy\u1ec3n cho m\u00e1y khoan. Ti\u1ebfn h\u00e0nh l\u1eafp d\u1ef1ng m\u00e1y khoan c\u1ecdc nh\u1ed3i v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng kh\u00e1c.<\/p>\n

2.1.3. H\u1ec7 th\u1ed1ng b\u1ec3 ch\u1ee9a dung d\u1ecbch Bentonite:<\/span><\/p>\n

Dung d\u1ecbch Bentonite \u0111\u01b0\u1ee3c c\u1ea5p t\u1eeb b\u1ec3 ch\u1ee9a v\u00e0 tr\u1ed9n bentonite. \u0110\u1eb7t \u1ed1ng b\u01a1m n\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh khoan t\u1eeb h\u1ed1 khoan \u0111\u1ebfn b\u1ec3 l\u1eafng v\u00e0 t\u1eeb b\u1ec3 ch\u1ee9a xu\u1ed1ng h\u1ed1 khoan t\u1ea1o th\u00e0nh chu tr\u00ecnh khoan b\u1eb1ng bentonite kh\u00e9p k\u00edn.<\/p>\n

2.1.4. Ngu\u1ed3n \u0111i\u1ec7n:<\/span><\/p>\n

– Tr\u1ea1m \u0111i\u1ec7n 400KVA \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed \u1edf trong b\u1edd v\u00e0 d\u1eabn t\u1edbi c\u00e1c v\u1ecb tr\u00ed thi c\u00f4ng b\u1eb1ng h\u1ec7 th\u1ed1ng c\u00e1p b\u1ecdc th\u00f4ng qua c\u1ea7u d\u1eabn c\u1ea5p b\u00ea t\u00f4ng. Tr\u01b0\u1edbc khi thi c\u00f4ng, nh\u00e0 th\u1ea7u s\u1ebd li\u00ean h\u1ec7 v\u1edbi \u0110i\u1ec7n l\u1ef1c \u0111\u1ecba ph\u01b0\u01a1ng \u0111\u1ec3 ti\u1ebfn h\u00e0nh c\u1ea3i t\u1ea1o n\u00e2ng c\u1ea5p l\u01b0\u1edbi \u0111i\u1ec7n hi\u1ec7n c\u00f3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u1ea5p \u0111i\u1ec7n cho thi c\u00f4ng.
\n– Ngo\u00e0i ra c\u00f4ng tr\u01b0\u1eddng b\u1ed1 tr\u00ed th\u00eam m\u00e1y ph\u00e1t \u0111i\u1ec7n d\u1ef1 ph\u00f2ng 250 KVA.<\/p>\n

2.1.5. H\u1ed3 s\u01a1:<\/span><\/p>\n

+ B\u1ea3n v\u1ebd thi\u1ebft k\u1ebf thi c\u00f4ng ch\u1ee7 \u0111\u1ea1o c\u00e1c m\u1ed1, tr\u1ee5.
\n+ B\u1ea3n v\u1ebd thi\u1ebft k\u1ebf thi c\u00f4ng c\u1ecdc khoan nh\u1ed3i.
\n+ C\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb v\u1ec1 v\u1eadt li\u1ec7u \u0111\u1ea7y \u0111\u1ee7 \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn.
\n+ Thi\u1ebft k\u1ebf m\u00e1c b\u00ea t\u00f4ng, th\u00ed nghi\u1ec7m v\u1eadt li\u1ec7u cho b\u00ea t\u00f4ng.
\n+ Phi\u1ebfu th\u00ed nghi\u1ec7m th\u00e9p d\u00f9ng cho c\u1ecdc b\u00ea t\u00f4ng.<\/p>\n

2.1.5. Ki\u1ec3m tra c\u00f4ng t\u00e1c chu\u1ea9n b\u1ecb:<\/span><\/p>\n

Ngo\u00e0i vi\u1ec7c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng c\u00e1c n\u1ed9i dung n\u00eau tr\u00ean c\u1ea7n ki\u1ec3m tra th\u00eam c\u00e1c n\u1ed9i dung sau:
\n+ Ki\u1ec3m tra c\u00e1c m\u00e1y khoan v\u00e0 cho v\u1eadn h\u00e0nh th\u1eed.
\n+ Ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng, ch\u1ea5t l\u01b0\u1ee3ng thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng: C\u1ea7n c\u1ea9u, m\u00e1y b\u01a1m b\u00ea t\u00f4ng, \u1ed1ng v\u00e1ch, m\u00e1y tr\u1ed9n dung d\u1ecbch, m\u00e1y b\u01a1m n\u01b0\u1edbc, \u1ed1ng \u0111\u1ed5 b\u00ea t\u00f4ng (\u1ed1ng tremie)…
\n+ V\u1eadn h\u00e0nh th\u1eed c\u00e1c thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5 thi c\u00f4ng.
\n+ Ki\u1ec3m tra c\u1ed1t li\u1ec7u cho b\u00ea t\u00f4ng.<\/p>\n

2.1.6. \u0110\u1ecbnh v\u1ecb l\u1ed7 khoan.<\/span><\/p>\n

– M\u00e1y khoan \u0111\u01b0\u1ee3c k\u00e9o ho\u1eb7c c\u1ea9u v\u00e0o v\u1ecb tr\u00ed thi c\u00f4ng, \u0111\u1ec3 \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c t\u00e2m l\u1ed7 khoan b\u1eb1ng c\u00e1ch treo m\u0169i khoan v\u00e0o \u0111\u01b0\u1eddng c\u00e1p ch\u00ednh \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c c\u1ee7a m\u00e1y khoan v\u00e0 \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111\u1ec3 v\u1ecb tr\u00ed n\u00e0y tr\u00f9ng v\u1edbi t\u00e2m l\u1ed7 c\u1ea7n khoan v\u1edbi sai l\u1ec7ch cho ph\u00e9p.<\/p>\n

2.1.7. Nh\u1eefng \u0111i\u1ec3m c\u1ea7n l\u01b0u \u00fd.<\/span><\/p>\n

– C\u1ea7n chu\u1ea9n b\u1ecb s\u1eb5n m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb d\u1ef1 ph\u00f2ng nh\u01b0: m\u00e1y ph\u00e1t \u0111i\u1ec7n, m\u00e1y b\u01a1m b\u00ea t\u00f4ng …<\/p>\n

C\u1ea7n c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ea3m b\u1ea3o an to\u00e0n cho thi\u1ebft b\u1ecb v\u00e0 con ng\u01b0\u1eddi khi c\u00f3 b\u00e3o l\u1edbn.<\/p>\n

Video bi\u1ec7n ph\u00e1p thi c\u00f4ng c\u1ecdc khoan nh\u1ed3i b\u1eb1ng m\u00e1y khoan \u0111\u1eadp c\u00e1p<\/h3>\n