1. School of Civil Engineering, Chongqing University, Chongqing, China
2. Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing University, Ministry of Education, Chongqing, China
3. National Joint Engineering Research Centre for Prevention and Control of Environmental Geological Hazards in the TGR Area, Chongqing University, Chongqing, China
4. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, Singapore