Affiliation: | 1. Dalhousie University, Department of Civil and Resource Engineering, 1360 Barrington St. Rm. 215 Bldg. D, Halifax, Nova Scotia, Canada B3J 1Z1;2. Defence Research and Development Canada Atlantic, 9 Grove St., P.O. Box 1012, Dartmouth, Nova Scotia, Canada B2Y 3Z7 |