1. School of Civil Engineering, University of South China, Hengyang, China
2. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China
3. School of Civil Engineering, Wuhan University, Wuhan, China
4. School of Civil Engineering and Architecture, Hubei University of Arts and Science, Xiangyang, China