1. Ph.D. Candidate, Dept. of Civil, Geological and Mining Engineering, Polytechnique Montreal, Montreal, QC, Canada H3C 3A7.
2. Professor, Dept. of Civil, Geological and Mining Engineering, Polytechnique Montreal, Montreal, QC, Canada H3C 3A7.
3. Visiting Researcher, Dept. of Civil, Geological and Mining Engineering, Polytechnique Montreal, Montreal, QC, Canada H3C 3A7.
4. Research Scientist, Dept. of Civil and Environmental Engineering, Univ. of Iowa, 4105 Seamans Center for the Engineering Arts and Sciences, 103 South Capitol St., Iowa City, IA 52242.
5. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 205 North Mathews Ave., Urbana, IL 61801 (corresponding author).