1. Ph.D. Candidate, Key Laboratory of C&PC Structures of Ministry of Education, Southeast Univ., Nanjing 210096, China.
2. Professor, Key Laboratory of C&PC Structures of Ministry of Education, Southeast Univ., Nanjing 210096, China (corresponding author).
3. Assistant Professor, Dept. of Civil, Structural, and Environmental Engineering, Univ. at Buffalo, State Univ. of New York, Buffalo, NY 14126.