1. Assistant Professor, Dept. of Civil Engineering, Univ. of Ottawa, 161 Louis-Pasteur, Ottawa, ON, Canada, K1N 6N5 (corresponding author).
2. Associate Professor, Dept. of Civil Engineering and Applied Mechanics, McGill Univ., 817 Sherbrooke St. W., Montréal, PQ, Canada, H3A 2K6.
3. Professor of Structural Engineering, Univ. of New Brunswick, Fredericton, NB, Canada E3B 5A3.