1. State Key Laboratory of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China
2. China Academy of Railway Sciences, Railway Construction Research Institute of China Academy of Railway Sciences Group Co., Ltd, Beijing 100084, China
3. China Railway Economic and Planning Research Institute, Beijing 100084, China
4. Nonferrous Geological Exploration and Research Institute Limited liability company, Shenyang 110013, China
5. Jiaoke Transport Consultants Ltd., Beijing 100084, China