1. Assistant Professor, Research Institute of Structural Engineering and Disaster Reduction, College of Civil Engineering, Tongji Univ., No. 1239 Siping Rd., Shanghai 200092, China.
2. Assistant Professor, Dept. of Structural Engineering, College of Civil Engineering, Tongji Univ., No. 1239 Siping Rd., Shanghai 200092, China (corresponding author).
3. Professor, Dept. of Structural Engineering, College of Civil Engineering, Tongji Univ., No. 1239 Siping Rd., Shanghai 200092, China.
4. Professor, Dept. of Architecture, Faculty of Science and Engineering, Waseda Univ., 3-4-1 Okubo, Tokyo 1698555, Japan.