1. Professor, Institute of Geotechnical and Underground Engineering, Huazhong Univ. of Science and Technology, Wuhan, Hubei 430074, China. ORCID: .
2. Shaw Professor and Head, Dept. of Civil and Environmental Engineering, Pennsylvania State Univ., University Park, PA 16802.
3. Professor and Head, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523.
4. Postdoctoral Researcher, Institute of Geotechnical and Underground Engineering, Huazhong Univ. of Science and Technology, Wuhan, Hubei 430074, China (corresponding author).