1. Geotechnical Engineer, Fugro Survey Middle East, Abu Dhabi, P.O.Box 43088, UAE; formerly, Graduate Student, Virginia Polytechnic Institute and State Univ., Blacksburg, VA.
2. Assisstant Professor, Dept. of Civil and Environmental Engineering, Virginia Polytechnic Institute and State Univ., 24061 Blacksburg, VA (corresponding author). ORCID: .