1. Associate Professor, College of Civil Engineering, Taiyuan Univ. of Technology, Taiyuan 030024, China.
2. Master’s Candidate, College of Civil Engineering, Taiyuan Univ. of Technology, Taiyuan 030024, China.
3. Professor, Shanxi Transportation Research Institute Group Co., Ltd., Taiyuan 030000, China (corresponding author).
4. Professor, College of Civil Engineering, Taiyuan Univ. of Technology, Taiyuan 030024, China.
5. Engineer, Central Southern China Electric Power Design Institute Co., Ltd. of China Power Engineering Consulting Group, Wuhan 430071, China.