1. Ph.D. Student Researcher, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94702.
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94702 (corresponding author).
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94702.
4. Associate Adjunct Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94702.
5. Associate Project Scientist, Center for Geotechnical Modeling, Univ. of California, Davis, CA 95616.