1. Professor Emeritus, Dept. of Civil and Coastal Engineering, Univ. of Florida, Gainesville, FL 32611; Independent Consultant, 3522 Ivory Creek, San Antonio, TX 78258 (corresponding author). ORCID: .
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Auckland, Private Bag 92019, Auckland 1142, New Zealand.
3. Lecturer, School of Engineering, Univ. of Waikato, Hamilton 3216, New Zealand.