1. Ph.D. Candidate, Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern Univ., Shenyang 110819, China.
2. Professor, Center for Rock Instability and Seismicity Research, Northeastern Univ., Shenyang 110819, China (corresponding author).
3. Professor, Center for Rock Instability and Seismicity Research, Northeastern Univ., Shenyang 110819, China.
4. Ph.D. Candidate, Center for Rock Instability and Seismicity Research, Northeastern Univ., Shenyang 110819, China.