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| Research and application of advance drainage technology of water inflow in Dashucun Mine working face |
| Diao Houzhen |
| Dashucun Mine,Jizhong Energy Fengfeng Group Corporation Ltd., Handan 056300, China |
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Abstract Through the hydrogeological condition analysis, the fault fissure water was discharged into the working surface mining area, affecting the normal production.Through the advanced construction of diversion and drainage borehole, the working surface cutting water diversion and the high difference self-pressure drainage, the fault fissure water was successfully drained to ensure the safety of the working face recovery.
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