1. Associate Professor, Dept. of Railway Engineering, Shijiazhuang Institute of Railway Technology, Shijiazhuang 050041, PR China; mailing address: Room 2303, Unit 2, Building 25, Dangjiazhuang New Area, Xinhua District, Shijiazhuang 050066, Hebei Province, PR China (corresponding author).
2. Assistant, Dept. of Railway Engineering, Shijiazhuang Institute of Railway Technology, Shijiazhuang 050041, PR China; mailing address: Room 2303, Unit 2, Building 25, Dangjiazhuang New Area, Xinhua District, Shijiazhuang 050066, Hebei Province, PR China.
3. Associate Researcher, Institute of Crustal Dynamics, China Earthquake Administration, Beijing 100085, PR China; mailing address: Room 2303, Unit 2, Building 25, Dangjiazhuang New Area, Xinhua District, Shijiazhuang 050066, Hebei Province, PR China.
4. Postgraduate, School of Civil Engineering, Shijiazhuang Tiedao Univ., Shijiazhuang 050043, PR China; mailing address: Room 2303, Unit 2, Building 25, Dangjiazhuang New Area, Xinhua District, Shijiazhuang 050066, Hebei Province, PR China.