1. Research Associate, Dept. of Civil and Environmental Engineering, Tufts Univ., Medford, MA 02155.formerly, Staff Engineer, GeoSyntec Consultants, 289 Great Road, Suite 105, Acton, MA 01720.
2. Graduate Student, Dept. of Civil and Environmental Engineering, Tufts Univ., Medford, MA 02155.
3. Professor, Dept. of Civil and Environmental Engineering, Tufts Univ., Medford, MA 02155.