1. Assistant Professor, Dept. of Civil Engineering, North Dakota State Univ., Fargo, ND 58105 (corresponding author).
2. Associate Professor, Dept. of Civil Engineering, Royal Military College of Canada, P.O. Box 17000, Kingston ON, Canada K7K 7B4.
3. Associate Professor and Head, Dept. of Civil Engineering, Royal Military College of Canada, P.O. Box 17000, Kingston ON, Canada K7K 7B4.