超前钻孔在突出煤层掘进过断层期间的应用

Advance Boreholes in Outburst Coal Seam Tunneling Through Fault During Application

新集矿区掘进工作面在过断层期间经常出现瓦斯异常涌出现象,甚至发生煤与瓦斯突出。通过采取施工超前卸压钻孔,有效解决了瓦斯防突问题。

In Xinji Mine Heading Face in fault frequently occurs during gas abnormal emission phenomenon, even in coal and gas outburst. By taking the construction advance pressure relief hole, effectively solves the problem of gas outburst.