1. Ph.D. Candidate, School of Civil Engineering, Southeast Univ., Nanjing 210096, P.R. China.
2. Professor, Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education, Southeast Univ., Nanjing 210096, P.R. China (corresponding author).
3. Dept. of Bridge Engineering, School of Transportation, Southeast Univ., Nanjing 210096, P.R. China.
4. Postdoctoral Researcher, School of Civil Engineering, Southeast Univ., Nanjing 210096, P.R. China.