1. Lecturer, Beijing Key Laboratory of Urban Underground Space Engineering, School of Civil and Resource Engineering, Univ. of Science and Technology Beijing, Beijing 100083, PR China.
2. Master Student, Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Univ. of Technology, Beijing 100124, PR China.
3. Assistant Professor, Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Univ. of Technology, Beijing 100124, PR China (corresponding author).
4. Professor, Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing Univ. of Technology, Beijing 100124, PR China.