1. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Windsor, Windsor, Ontario, Canada N9B 3P4 (corresponding author).
2. Professor and Chair, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, Alberta, Canada T6G 2G7.
3. Professor Emeritus, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, Alberta, Canada T6G 2G7.
4. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of Windsor, Windsor, Ontario, Canada N9B 3P4.