Affiliation: | 1.State Key Laboratory of Mining Disaster Prevention and Control Co-Founded By Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao, 266590, China ;2.College of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, 266590, China ;3.Graduate School of Engineering, Nagasaki University, Nagasaki, 852-8521, Japan ; |