12315工作面巷道掘进矿山压力及支护方法分析

Analysis for Mine Pressure and Support Method of Tunneling of 12315 Workface in Malan Mine

分析了近距离煤层上层开采后 ,下层巷道矿山压力的显现规律 ,结合马兰矿1 2 3 1 5工作面的实际施工经验 ,选择出合理的支护形式。

Analyses the appearance law of mine pressure of lower slice tunnel,after the higher slice of contiguoms seam was mined,combine with the construction experience of 12315 workface,choices the reasonable support form .