RESEARCH ON PREDICTING MINING SUBSIDENCE OF NONPILLAR SUBLEVEL CAVING METHOD

In light of the characteristics of Nonpillar sublevel caving method,Probability integral method is used to predict mining subsidence and modified to improve predicting accuracy.By using the drawing tools and the effective spatial analytical function of GIS,the degree and scope of mining subsidence are intuitively shown.By a comparison with the observation data of the ground surface and actual situation,the proposed approach has been verified.