1. Ph.D. Candidate, College of Civil Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China.
2. Professor, College of Civil Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China; Vice Director, National Maglev Transportation Engineering R&D Center, Tongji Univ., 4800 Cao’an Rd., Shanghai 201804, China (corresponding author).