1. Professor, Key Laboratory of New Technology for Construction of Cities in Mountain Area, State Key Laboratory of Coal Mine Disaster Dynamics and Control, School of Civil Engineering, Chongqing Univ., Chongqing 400045, China (corresponding author). ORCID: .
2. Graduate Student, School of Civil Engineering, Chongqing Univ., Chongqing 400045, China.
3. Professor and Vice President, School of Civil Engineering, Chongqing Univ., 174, Shazheng St., Chongqing 400045, China.
4. David Ross Boyd Professor and Aaron Alexander Professor, School of Civil Engineering and Environmental Science, and Alumni Chair Professor of Petroleum and Geological Engineering, Univ. of Oklahoma, 202 W. Boyd St., Rm. 334, Norman, OK 73019.