1. Assistant Professor, Dept. of Civil Engineering, Ryerson Univ., 350 Victoria St., Toronto, Ontario, Canada, M5B 2K3. E-mail: lamleh@ryerson.ca
2. Professor, Dept. of Civil Engineering and Applied Mechanics, McGill Univ., 817 Sherbrooke St. West, Montreal, Quebec, Canada H3A 2K6. E-mail: saeed.mirza@mcgill.ca