1. School of Urban Construction and Transportation, Hefei University, Hefei, China
2. Anhui Provincial Key Laboratory of Urban Rail Transit Safety and Emergency Management, Hefei University, Hefei, China
3. Department of Geotechnical Engineering, College of Civil Engineering, Tongji University, Shanghai, China
4. School of Engineering, University of British Columbia, Kelowna, BC, Canada
5. Xi’an Center of Geological Survey, China Geological Survey, Xi’an, China