1. State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi’an University of Technology, Xi’an 710048, China
2. Institute of Geotechnical Engineering, Xi’an University of Technology, Xi’an, Shaanxi 710048, China
3. Shaanxi Provincial Key Laboratory of Loess Mechanics, Xi’an University of Technology, Xi’an 710048, China
4. China JK Institute of Engineering Investigation and Design Co. Ltd., Xi’an 710043, China