1. School of Civil Engineering, Chongqing University, Chongqing, China
2. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, China
3. Chongqing Field Scientific Observation Station for Landslide Hazards in Three Gorges Reservoir Area, Chongqing University, Chongqing, China
4. China Coal Technology and Engineering Chongqing Design and Research Institute (Group) Co., Ltd., Chongqing, China