1. Associate Professor, Key Laboratory of Roadway Bridge and Structure Engineering, Wuhan Univ. of Technology, Wuhan, Hubei 430070, PR China; Assistant Professor, State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, PR China.
2. Professor, Key Laboratory of Roadway Bridge and Structure Engineering, Wuhan Univ. of Technology, Wuhan, Hubei 430070, PR China.
3. Assistant Professor, State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, PR China (corresponding author).
4. Assistant Professor, State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei 430071, PR China; Assistant Professor, Faculty of Science, Engineering and Technology, Swinburne Univ. of Technology, Hawthorn, VIC 3122, Australia.
5. Associate Professor, Key Laboratory of Mountain Hazards and Earth Surface Process, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China.