Affiliation: | 1.State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing, 400044, China ;2.School of Resources and Safety Engineering, Chongqing University, Chongqing, 400044, China ;3.School of Civil Engineering, Chongqing Jiaotong University, Chongqing, 400074, China ; |