1. Civil Engineering Dept., Engineering College, Florida Inst. of Technology, 150 West University Blvd., Melbourne, FL 32901 US (Corresponding author), e-mail: ashaban2012@my.fit.edu
2. Civil Engineering Dept., Engineering College, Florida Inst. of Technology, 150 West Univ. Blvd., Melbourne, FL 3290 US, e-mail: cosentin@fit.edu