1. Affiliate, Dept. of Civil and Environmental Engineering, Colorado State Univ., 400 Isotope Dr, Fort Collins, CO 80523 (corresponding author). ORCID: .
2. Professor, Dept. of Civil and Environmental Engineering, Colorado State Univ., 400 Isotope Dr, Fort Collins, CO 80523.
3. Deceased March 28, 2020; formerly, Professor, Dept. of Civil and Environmental Engineering, Colorado State Univ., 400 Isotope Dr, Fort Collins, CO 80523.