1. Associate Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of the Northbound 1, Second Ring Rd., Chengdu 610031, China.
2. Ph.D. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of the Northbound 1, Second Ring Rd., Chengdu 610031, China (corresponding author).
3. Ph.D. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of the Northbound 1, Second Ring Rd., Chengdu 610031, China.
4. Ph.D. Candidate, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 1401 N. Pine St., Rolla, MO 65401.
5. M.S. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of the Northbound 1, Second Ring Rd., Chengdu 610031, China.
6. Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of the Northbound 1, Second Ring Rd., Chengdu 610031, China.