Professional Drilling cuab yeej chaw tsim tshuaj paus

25 xyoo kev tsim khoom
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Cov khoom siv

ib 3-2

 

QUARRIES THIAB MINES

 

Ntau daim ntawv thov mining:
1. Nto mining
2. Underground mos pob zeb mining
3. Underground hard pob zeb mining
4. Ntau lawm drilling ntawm blastholes hauv quarries thiab mines.
Muaj plaub yam tseem ceeb ntawm blastholes: Cov qhov ntau lawm / Pre-split qhov / Buffer qhov / Ntau qhov hauv av

CIVIL ENGINEERING

 

Xws li kev tsim kho, kev tsim kho kev lag luam, thiab lwm yam.
Muaj ntau cov ntawv thov hauv Civil engineering uas yog:
1. Piling & micropiling
2. Foundation drilling
3. Ib puag ncig kev tshawb fawb qhov
4. Lub qhov tawg
5. Kev txhim kho txoj kab nqes

ib a4
ib a6

 

EXPLORATION DRILLING

 

Muaj ntau cov ntawv thov sub hauv kev tshawb nrhiav drilling uas yog

1. Wireline pob zeb diamond tub ntxhais drilling
2. SPT & CPT Kev Xeem
3. Ib puag ncig kev tshawb fawb qhov
4. Rov qab ncig (RC) drilling

DEJ DEJ DEJ

 

Muaj ob lub hom phiaj tseem ceeb rau qhov zoo drilling:
1. Ntug dej
2. Qhov dej kub hauv qab

 

Qhov xav tau qhov tob thiab qhov loj ntawm qhov dej sib txawv raws thaj chaw vim yog cov qauv twj tso kua mis thiab geology.

dav
a5

 

TUNNELING

 

Muaj ntau cov ntawv thov sub hauv Tunneling uas yog
1. Pre-split qhov
2. Tsis muaj qhov
3. Ib puag ncig kev tshawb fawb qhov
4. Lub qhov tawg