1. College of Transportation Science & Engineering, Nanjing Tech University, Nanjing 210009, China
2. NJTech Bridge & Tunnel and Rail Transit Institute, Nanjing 210032, China
3. College of Architecture Science and Engineering, Yangzhou University, Yangzhou 225127, China
4. Transportation Science Institute of Nanjing Tech University (Chuzhou) Co., Ltd., Chuzhou 239050, China
5. Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, USA
6. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
7. School of Transportation, Southeast University, Nanjing 211189, China