1. Professor, Key Laboratory of Urban Underground Engineering of Ministry of Education, Beijing Jiaotong Univ., Beijing 100044, China; School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China.
2. Ph.D. Student, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China (corresponding author).
3. Associate Professor, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China.
4. Postdoctoral Research Associate, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China.
5. Professor, School of Civil Engineering, Beijing Jiaotong Univ., Beijing 100044, China.