1. Vossloh Fastening Systems, Level 12 Eros Corporate Tower, Nehru Place, New Delhi, India 110019
2. Rail Transportation and Engineering Center (RailTEC), Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, (Corresponding author), e-mail: jedward2@illinois.edu, https://orcid.org/0000-0001-7112-0956
3. GIC Technologies, 3333 Lee Parkway Suite 600, Dallas, TX 75219
4. Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, 61801
5. Rail Transportation and Engineering Center (RailTEC), Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801