provided by the National Natural Science Foundation of China (No. 50974118);the New Century Talents Supporting Program from Ministry of Education (No.NCET-09-0727);the Program for Postgraduates Research Innovation in Universities of Jiangsu Province of China (No.CXZZ12_0951)
Ascending mining is one of the most effective ways to solve problems of water inrush, gas outburst and rock burst in coal seams mining. In order to reveal the law of motion and spatiotemporal relationship of overlayin...