1. Research Engineer, Dept. of Geosciences and Engineering, Southwest Research Institute, San Antonio, TX 78238. ORCID: .
2. Professor, Dept. of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061 (corresponding author). ORCID: .
3. Professor, Dept. of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061. ORCID: .
4. University Distinguished Professor Emeritus, Dept. of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061.