1. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada, N2L 3G1. E-mail: htchoi@uwaterloo.ca
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada, N2L 3G1. E-mail: jswest@uwaterloo.ca
3. Professor and Canada Research Chair, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada, N2L 3G1. E-mail: soudki@uwaterloo.ca