1. School of Civil Engineering, Chongqing University, Chongqing, China
2. National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas, Chongqing, China
3. Key Laboratory of New Technology for Construction of Cities in Mountain Area(Chongqing University), Ministry of Education, Chongqing, China
4. Nanjiang Hydrogeological & Engineering Geology Brigade, Chongqing Bureau of Geology and Minerals Exploration, Chongqing, China