1. Structural Engineer, Halcrow Yolles, 207 Queen’s Quay West, Suite 550, PO Box 132, Toronto ON, Canada M5J 1A7.
2. Postdoctoral Fellow, Dept. of Civil Engineering, Faculty of Engineering, Univ. of Sherbrooke, Sherbrooke PQ, Canada J1K 2R1.
3. Professor, Dept. of Civil Engineering, Faculty of Engineering, Univ. of Sherbrooke, Sherbrooke PQ, Canada J1K 2R1.