1. Professor, Dept. of Building, Civil, and Environmental Engineering, Concordia Univ., 1455 de Maisonneuve Blvd., W. Montreal, Quebec, Canada, H3G 1M8.
2. Research Associate, Dept. of Building, Civil, and Environmental Engineering, Concordia Univ., 1455 de Maisonneuve Blvd., W. Montreal, Quebec, Canada, H3G 1M8.