1. School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, Jiangxi, China;
2. Quanzhou Institute of Equipment Manufacturing, Haixi Institutes, Chinese Academy of Sciences, Quanzhou, Fujian, China;
3. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics Chinese Academy of Sciences, Wuhan, Hubei, China;
4. Nanchang Institute of Technology, Nanchang, China