1. Graduate Research Assistant, Dept. of Civil and Airport Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China.
2. Professor, School of Civil Engineering, Southeast Univ., Nanjing, Jiangsu 210096, China (corresponding author).
3. Associate Professor, Dept. of Civil and Airport Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China.
4. Professor, Dept. of Civil and Airport Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China.
5. Graduate Student, Dept. of Civil and Airport Engineering, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China.