1. Ph.D. Candidate, Dept. of Structural Engineering, Tongji Univ., Shanghai 200092, China.
2. Associate Professor, Dept. of Structural Engineering, Tongji Univ., Shanghai 200092, China.
3. Professor, Dept. of Structural Engineering and State Key Laboratory on Disaster Reduction in Civil Engineering, Tongji Univ., Shanghai 200092, China (corresponding author).