55 research outputs found
A new pattern of underground spaceātime tridimensional gas drainage: A case study in Yuwu coal mine, China
A safe mining approach for deep outburst coal seam groups with hardāthick sandstone roof: Stepwise risk control based on gas diversion and extraction
Feasibility study on fully mechanized large mining height long wall top-coal caving mining in ultra-thick (20ā30 m), parting-rich coal seams: A case study of the Laosangou mining field in China
3D numerical simulation of boreholes for gas drainage based on the poreāfracture dual media
CMM emission laws and the sub-source drainage methods in coal mining: a case study in Yuwu coal mine, Northeastern Qinshui basin, China
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