1. Professor, Key Laboratory of Concrete and Prestressed Concrete Structures, Ministry of Education, Southeast Univ., Nanjing 210096, P.R. China (corresponding author).
2. Structural Engineer, Jiangsu Hongji Science-Technology Co., Ltd., 18 Jialingjiang East St., Apt. 6, Room 801, Nanjing 210018, China.
3. Ph.D. Candidate, School of Civil Engineering, Southeast Univ., Nanjing 210096, P.R. China.