1. P.E.
2. P.E., Member, ASCE
3. PhD, Dept. of Constr. Engrg., Ecole de Technologie Superieure, 1100 Rue Notre-Dame Ouest, Montreal, PQ, Canada H3C 1K3. E-mail: rleconte@ctn.etsmtl.ca
4. PhD, Dept. of Constr. Engrg., Ecole de Technologie Superieure, 1100 Rue Notre-Dame Ouest, Montreal, PQ, Canada H3C 1K3.