supported by the National Natural Science Foundation of China(No.51074004);the Open Project of State Key Laboratory Breeding Base for Mining Disaster Prevention and Control of Shandong University of Science and Technology of China(No.MDPC2012KF06);the Natural Science Foundation of Anhui Province of China(No.11040606M102);Young Teachers Science Foundation of Anhui University of Science&Technology of China(No.2012QNZ14)
According to the distribution of abutment stress in a stope,this research established the mechanical model of mining abutment pressure transmission in floor base on the theory of semi-infnite plate body in elasticity....