1. Lecturer, Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Univ. of Technology, Beijing 100124, China.
2. Professor, School of Civil Engineering, Chongqing Univ., Chongqing 400044, China; Professor, School of Civil Engineering, Southwest Jiaotong Univ., Chengdu 610031, China (corresponding author).
3. Ph.D. Student, School of Civil Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.
4. Professor, Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Univ. of Technology, Beijing 100124, China.