1. Associate Professor, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China.
2. Associate Professor, School of Civil Engineering, Beijing Key Laboratory of Track Engineering, Beijing Jiaotong Univ., Beijing 100044, China (corresponding author).
3. Master, School of Civil Engineering, Beijing Key Laboratory of Track Engineering, Beijing Jiaotong Univ., Beijing 100044, China.
4. Lecturer, School of Mechanical and Aerospace Engineering, Jilin Univ., Changchun 130025, China.
5. Professor, School of Civil Engineering, Beijing Engineering and Technology Research Center of Rail Transit Line Safety and Disaster Prevention, Beijing Jiaotong Univ., Beijing 100044, China.