1. Postdoctoral Fellow, Institute of Geotechnical Engineering, Zhejiang Univ., 866 Yuhangtang Rd., West Lake District, Hangzhou 310058, China; School of Civil Engineering and Architecture, NingboTech Univ., 1 Qianhu South Rd., Ningbo 315100, China.
2. Professor, School of Civil Engineering and Architecture, NingboTech Univ., 1 Qianhu South Rd., Ningbo 315100, China; Ningbo Research Institute, Zhejiang Univ., 1 Qianhu South Rd., Ningbo 315100, China (corresponding author).
3. Professor, Institute of Geotechnical Engineering, Zhejiang Univ., 866 Yuhangtang Rd., West Lake District, Hangzhou 310058, China; School of Civil Engineering and Architecture, NingboTech Univ., 1 Qianhu South Rd., Ningbo 315100, China.