An analysis of the possibility of water inrush from carbonic limestone during the 1# coal seam mining in the Xinji coal mine

The 1# coal seam in the Xinji coal mine is of large storage capacity and of nice coal quality.Exploiting the 1# coal seam can stabilize and enlarge the volume of coal production and can supply coal resources of good quality.The most important threat is water bursting out from the underlying carbonic limestone.This paper introduced the hydrogeologic conditions of the Huainan coalfield and the Xinji coal mine,studied the water content of carbonic limestone,the impermeable ability of 1# coal seam f...