深井侏罗纪红层砂岩的支护研究与应用

Research and Application of supporting technology in deep Jurassic red beds sandstone

星村煤矿地质条件较复杂，地压作用较明显，掘进施工难度大。矿井西翼绞车房处于DF50断层上盘，落差达到350~400m。针对西翼绞车房大断面支护问题进行了研究与应用，采用导硐法施工，利用锚网喷＋锚索联合支护设计方案，取得了良好的支护效果。

According to the complex geological conditions ,and the obvious effect of ground press of xingcun coal mine, which cause the tunneling construction dififculty. Mine winch room in the West Wing is in the hanging wall of the fault DF50 that fall reached 350-400m, this paper researched the supporting problem of the winch room with large-section in the West Wing, using the pilot tunnel construction method, and the spray anchor net and anchor combined support design, achieved good supporting effect.