1. National Rail Transit Electrification and Automation Engineering Technology Research Center (Hong Kong Branch), Hong Kong, People’s Republic of China
2. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong, People’s Republic of China
3. School of Civil Engineering, Central South University, Changsha, People’s Republic of China
4. National Engineering Research Center of High-speed Railway Construction Technology, Central South University, Changsha, People’s Republic of China