1. Lecturer, College of Civil Engineering, Nanjing Tech Univ., Nanjing 211816, China.
2. Graduate Student, College of Civil Engineering, Nanjing Tech Univ., Nanjing 211816, China.
3. Professor, Key Laboratory of Concrete and Prestressed Concrete Structures of the Ministry of Education, Southeast Univ., Nanjing 210096, China (corresponding author).