1. School of Civil Engineering, Central South University, Changsha, Hunan, China
2. Key Laboratory of Heavy-haul Railway Engineering Structure, Ministry of Education, Central South University, Changsha, Hunan, China
3. Hunan Provincial Key Laboratory for Disaster Prevention and Mitigation of Rail Transit Engineering Structures, Central South University, Changsha, Hunan, China
4. College of Civil Engineering, Changsha University, Changsha, Hunan, China