1. Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of Northbound 1, Second Ring Rd., Chengdu 610031, China (corresponding author).
2. Consulting Engineer, Dept. of Engineering Consulting, China Communications Construction Company Highway Bridges National Engineering Research Centre Co., Ltd., No. 23 Huangsi St., Xicheng District, Beijing 100011, China.
3. Assistant Professor, Dept. of Civil, Environmental and Ocean Engineering, Stevens Institute of Technology, 1 Castle Point Terrace, Hoboken, NJ 07030.
4. Ph.D. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., 111 Section of Northbound 1, Second Ring Rd., Chengdu 610031, China.