1. Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, Alberta, Canada, T6G2W2.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, Alberta, Canada, T6G2W2 (corresponding author).
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, Alberta, Canada, T6G2W2.