1. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou, Jiangsu, China
2. Department of Civil, Chemical, Environmental and Materials Engineering, University of Bologna, Bologna, Italy
3. School of Mining Engineering and Geology, Xinjiang Institute of Engineering, Urumqi, Xinjiang, China
4. First Brigade of Hydrological Engineering Geology, Xinjiang Bureau of Geo-Exploration & Mineral Development, Urumqi, Xinjiang, China