1. School of Civil Engineering, Beijing Jiaotong UniversityNo. 3 Shangyuancun, Haidian DistrictBeijing100044People's Republic of China
2. School of Highway, Chang'an UniversityMiddle‐Section of Nan'er Huan RoadXi'an710064People's Republic of China
3. Beijing Engineering and Technology Research Centre of Rail Transit Line Safety and Disaster PreventionNo.3 Shangyuancun, Haidian DistrictBeijing100044People's Republic of China
4. Information School, University of WashingtonSeattleWAUSA