1. Ph.D. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.
2. Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.
3. Associate Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China (corresponding author).
4. Master, China Zhongtie Major Bridge Reconnaissance & Design Institute Co., Ltd., Wuhan 430000, China.