1. Ph.D. Candidate, Dept. of Civil Engineering, Univ. of Manitoba, Winnipeg, MB, Canada R3T 5V6 (corresponding author).
2. Ph.D. Student, Dept. of soil science, Univ. of Manitoba, Winnipeg, MB, Canada R3T 2N2.
3. Associate Professor, Dept. of Civil Engineering, Univ. of Manitoba, Winnipeg, MB, Canada R3T 5V6.