|
CN110821537A
|
|
Support method for fully-mechanized coal mining face pre-digging single-withdrawing channel
|
|
CN109139053A
|
|
A kind of water conductive fault comprehensive treatment parallel construction system and construction method
|
|
CN109184745A
|
|
A kind of slip casting aperture apparatus and construction method based on grouting with small pipe
|
|
CN109139052A
|
|
A kind of slip casting aperture apparatus and construction method based on high pressure deep hole grouting
|
|
CN108868597A
|
|
No explosive rock breaking method digs block method and no explosive broken rock equipment without explosive broken rock
|
|
CN108678750A
|
|
A kind of headframe pile foundation and freezing drill bore parallel construction system and parallel construction method
|
|
CN108952728A
|
|
A kind of headframe main body construction and self well digging freeze parallel construction system and method
|
|
CN108843325A
|
|
Cross parallel construction system and method are built in vertical headframe, pit shaft freezing, pick
|
|
CN108643938A
|
|
Coal mine deep well tunnel smooth surface concrete spraying support structure and its construction method
|
|
CN108952727A
|
|
A kind of grouting water blocking method of the vertical creviced formation of high inclination-angle
|
|
CN108678749A
|
|
A kind of shaft of vertical well construction method with shaft station interconnecting piece and safely and fast
|
|
CN107605493A
|
|
A kind of comprehensive pick construction system and method
|
