1. Key Laboratory of Roads and Railway Engineering Safety Control, Ministry of Education, Shijiazhuang Tiedao University, Shijiazhuang 050043, China
2. School of Civil Engineering, Shijazhuang Tiedao University, Shijiazhuang 050043, China
3. BOSTD Geosynthetics Qingdao Ltd., Qingdao 266111, China