1. State Key Laboratory for Geomechanics & Deep Underground Engineering, School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
2. College of Energy Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
3. State Key Laboratory of Coal Resources and Safe Mining, School of Mines, China University of Mining and Technology, Xuzhou 221116, China
4. School of Minerals and Energy Resources Engineering, The University of New South Wales, Sydney 2052, Australia