1. College of Civil Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, China;
2. School of Civil Engineering, Southwest Jiaotong University, Chengdu, Sichuan, China;
3. Department of Civil and Environmental Engineering, University of California, Los Angeles, CA, USA;
4. School of Civil Engineering, Central South University, Changsha, Hunan, China;
5. Department of Bridge Engineering, School of Civil Engineering, Central South University of Forestry and Technology, Changsha, Hunan, China;
6. School of Civil Engineering, Beijing Jiaotong University, Beijing, China