School of Resources and Safety Engineering Central South University Changsha 410083 China;
School of Resources and Safety Engineering Central South University Changsha 410083 China;
School of Resources and Safety Engineering Central South University Changsha 410083 China;
School of Resources and Safety Engineering Central South University Changsha 410083 China;
Deep Mining Laboratory of Shandong Gold Group Laizhou 261442 China;
Department of Civil Engineering Monash University Clayton VIC 3800 Australia;