1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; Operative Innovation Center of Engineering Construction and Safety in Shandong Peninsula Blue Economic Zone, Qingdao Univ. of Technology, Qingdao 266033, China (corresponding author). ORCID: .
2. School of Civil Engineering, Qingdao Univ. of Technology, Qingdao 266033, China.
3. School of Science, Qingdao Univ. of Technology, Qingdao 266033, China.