1. Staff Engineer, Applied Research Associates, 100 Trade Ctr Dr., Champaign, IL 61820; Dept. of Civil and Environmental Engineering, Univ. of Iowa, Iowa City, IA 52242 (corresponding author). ORCID: .
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Iowa, Iowa City, IA 52242. ORCID: .