1. Ph.D. Student, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078. ORCID:
2. Associate Professor/Williams Professor, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078 (corresponding author). ORCID: .
3. Regents Professor, School of Civil Engineering, Oklahoma State Univ., Stillwater, OK 74078.
4. Research Engineer, Railway Engineering Research Institute, China Academy of Railway Science, Beijing 100080, China.