1. Ph.D. Candidate, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.
2. Associate Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China (corresponding author).
3. Assistant Professor, Dept. of Civil Engineering and Mechanics, China Univ. of Geosciences, Wuhan 430074, China.
4. Engineer, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.
5. Chairman, China Railway Major Bridge Reconnaissance & Design Institute Co., Ltd., Wuhan 430050, China; Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.