1. Ph.D. Student, Dept. of Civil and Structural Engineering, The Hong Kong Polytechnic Univ., Hong Kong, China.
2. Chair Professor of Structural Engineering, Dept. of Civil and Structural Engineering, The Hong Kong Polytechnic Univ., Hong Kong, China (corresponding author).
3. Research Fellow, Dept. of Civil and Structural Engineering, The Hong Kong Polytechnic Univ., Hong Kong, China.