1. Ph.D. Candidate, School of Civil Engineering, Central South Univ., Changsha 410075, China.
2. Professor, Hunan Provincial Key Laboratory for Disaster Prevention and Mitigation of Rail Transit Engineering Structure, School of Civil Engineering, Central South Univ., Changsha 410075, China (corresponding author).
3. Lecturer, School of Transportation Science and Engineering, Civil Aviation Univ. of China, Tianjin 300300, China.
4. Professor, Hunan Provincial Key Laboratory for Disaster Prevention and Mitigation of Rail Transit Engineering Structure, School of Civil Engineering, Central South Univ., Changsha 410075, China.
5. Professor, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China.
6. Distinguished Professor, School of Civil and Environmental Engineering, Univ. of Technology Sydney, Sydney, NSW 2007, Australia.