1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Western Univ., London, ON, Canada N6A 5B9.
2. Professor, Dept. of Civil and Environmental Engineering, Western Univ., London, ON, Canada N6A 5B9 (corresponding author).
3. Professor, Dept. of Civil and Environmental Engineering, Concordia Univ., Montreal, QC, Canada H3G 1M8.