1. Member, ASCE, Assistant Professor and Program Director, Civil Engineering Department, Faculty of Engineering, the British Univ. in Egypt, Cairo-Suez Rd., Al-Sherouk City, EG, 11837 (Corresponding author), e-mail: sherif.abdelsalam@bue.edu.eg
2. Member, ASCE, P.C. Rossin Assistant Professor, Department of Civil and Environmental Engineering, Lehigh Univ., STEPs Building, Room 326, 1 West Packer Avenue, Bethlehem, PA, 18015, US, e-mail: mts210@lehigh.edu
3. Member, ASCE, Wilson Engineering Professor and Associate Chair, Department of Civil, Construction and Environmental Engineering, Iowa State Univ., 376 Town Engineering, 50011-3232, US, e-mail: sri@iastate.edu