1. Postdoctoral Fellow, Civil Engineering Dept., Ryerson Univ., Toronto, Ontario, Canada M5B2K3.
2. Associate Professor, Civil Engineering Dept., Ryerson Univ., 350 Victoria St., Toronto, Ontario, Canada M5B 2K3 (corresponding author). E-mail: ksennah@ryerson.ca
3. Project Engineer, Marshall, Macklin, and Managhan, Thornhill, Ontario, Canada.
4. Civil Engineering Dept., Ryerson Univ., Toronto, Ontario, Canada M5B2K3; formerly, Graduate Student.