国家庄矿-210m北大巷突水原因分析

详细信息

Analysis of a groundwater inrush at-210 m North Main Tunnel in Guojiazhuang Coal Mine

摘要: 肥城矿区国家庄煤矿-210 m北大巷曾发生突水量高达32 970 m³/h的突水事件,出水点附近地质构造复杂,含水层互相对口接触,这一大型突水是承压水沿断裂构造薄弱带突入巷道所致。
- 突水通道 /
- 突出物 /
- 断裂 /
- 分析
Abstract: A groundwater inrush occurred with water amount reached 32 970 m³/h at-210 m North Main Tunnel in Guojiazhuang Coal Mine of Feicheng Mining Area.The geological structures are complicated near the water inrush point,and different aquifers contact each other.The severe inrush resulted from confined water gushing into tunnel through weak fractures.
- water inrush passage /
- ejected material /
- fault /
- analysi