1. School of Emergency Management and Safety Engineering, China University of Mining and Technology-Beijing, Beijing, P. R. China
2. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing, China
3. Deep Mining and Rockburst Research Institute, CCTEG Chinese Institute of Coal Science, Beijing, China
4. School of Civil, Mining, Environmental and Architectural Engineering, University of Wollongong, Wollongong, NSW, Australia