1. Professor, Key Laboratory of Engineering Mechanics of Jiangsu Province, Southeast Univ., Nanjing 210096, China.
2. Graduate Student, School of Civil Engineering, Southeast Univ., Nanjing 210096, China.
3. Professor, School of Civil Engineering, Southeast Univ., Nanjing 210096, China.
4. Professor, School of Civil Engineering, Southeast Univ., Nanjing 210096, China (corresponding author).