1. Department of Civil and Environmental Engineering, Tufts University, 200 College Avenue, 113 Anderson Hall, Medford, Massachusetts 01255, School of Civil and Environmental Engineering, Georgia Institute of Technology, 311 Ferst Drive, Atlanta, Georgia 30332, CDM, Inc., One Cambridge Place, 50 Hampshire Street, Cambridge, Massachusetts 02139, and GeoSyntec Consultants, 4312 Tara Court, Ann Arbor, Michigan 48103