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
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.
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