1. Lecturer, State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi’an Univ. of Technology, Xi’an 710048, China (corresponding author).
2. Associate Professor, Institute of Geotechnical Engineering, Xi’an Univ. of Technology, Xi’an 710048, China.
3. Professor, Institute of Geotechnical Engineering, Xi’an Univ. of Technology, Xi’an 710048, China.