1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Geotechnical Research Institute, Hohai University , Nanjing, China
2. Key Laboratory of New Technology for Construction of Cities in Mountain Area of the Ministry of Education, Chongqing University , Chongqing, China
3. School of Civil Engineering and Mechanics, Huazhong University of Science and Technology , Wuhan, China