1. Professor, Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, School of Civil Engineering, Wuhan Univ., Wuhan 430072, P.R. China (corresponding author).
2. Ph.D. Candidate, Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, School of Civil Engineering, Wuhan Univ., Wuhan 430072, P.R. China.
3. Postdoctoral Fellow, Key Laboratory of Safety for Geotechnical and Structural Engineering of Hubei Province, School of Civil Engineering, Wuhan Univ., Wuhan 430072, P.R. China.
4. Assistant Professor, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, P.R. China.