瞬变电磁法和磁法在煤矿烧变岩富水区探查中的应用

Application of Transient Electromagnetic Method and Magnetic Method in Exploring Water Rich Areas of Coal Mine Burnt Rock

陕西神木神府矿区某煤矿3-2煤层两工作面掘进及回采前煤层顶板主要含水层含/富水情况不详、上覆煤层烧变区边界及烧变岩富水情况不明,严重影响采掘安全。在磁法探查烧变区边界基础上综合瞬变电磁法探测成果,解释煤层烧变区富水区,取得了较好成效,为保障煤矿后期的安全生产提供了物探依据。

The main aquifer/water rich situation of the coal seam roof before the excavation and extraction of the two working faces of the 3-2 coal seam in a certain coal mine in Shenmu Shenfu mining area,Shaanxi is unknown,and the boundary of the overlying coal seam burning area and the water rich situation of the burnt rock are unclear,which seriously affects the mining safety.On the basis of magnetic exploration of the boundary of the coal seam burning zone,the transient electromagnetic exploration results were integrated to explain the rich water area in the coal seam burning zone,achieving good results,providing a geophysical basis for ensuring the safety production of the coal mine in the later stage.