1. Ph.D. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of Northbound 1, Second Ring Road, Chengdu 610031, China.
2. Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of Northbound 1, Second Ring Road, Chengdu 610031, China (corresponding author).
3. Research Fellow, Dept. of Civil and Environmental Engineering, Univ. of Michigan, Ann Arbor, MI 48109.
4. Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of Northbound 1, Second Ring Road, Chengdu 610031, China.
5. Senior Engineer, State Key Laboratory for Bridge Structure Health and Safety, 103 JianShe Road, Wuhan, Hubei 430034, China.