1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 2W2.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 1H9 (corresponding author).
3. Structural Professional Engineer, TNAI Engineering Ltd., 315 West 7th Ave., Vancouver, BC, Canada V5Y 1M2.