1. M.Sc. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Alberta, 1-070, Markin/CNRL Natural Resources Engineering Facility, 9105 116th St., Edmonton, AB, Canada T6G 2W2.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, 3-009, Markin/CNRL Natural Resources Engineering Facility, 9105 116th St., Edmonton, AB, Canada T6G 2W2 (corresponding author).
3. Lecturer, School of Civil and Environmental Engineering, Univ. of New South Wales, 212, Civil Engineering Building, Sydney, NSW 2052, Australia.