1. Graduate Research Assistant, Dept of Civil and Environmental Engineering, Washington State Univ., P.O. Box 642910, Pullman, WA 99164. ORCID: .
2. Professor, Dept of Civil and Environmental Engineering, Washington State Univ., P.O. Box 642910, Pullman, WA 99164 (corresponding author).
3. Professor Emeritus, Virginia Tech, 1502 Nelson St., Blacksburg, VA 24060.
4. Assistant Professor, Dept of Civil and Environmental Engineering, Washington State Univ., P.O. Box 642910, Pullman, WA 99164. ORCID: .