1. Professor, Civil and Environmental Engineering Dept., Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1 (corresponding author).
2. Ph.D. Candidate, Civil and Environmental Engineering Dept., Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1.
3. Ph.D. Student, Civil and Environmental Engineering Dept., Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1.