1. Postdoctoral Research Fellow, TU Delft, Faculty of Civil Engineering and Geosciences, Stevinweg 1, 2628 CN, Delft, Netherlands; formerly, Ph.D. Candidate, Purdue Univ., Civil Engineering, West Lafayette, IN 47907.
2. Professor, School of Civil Engineering, Purdue Univ., Civil Engineering, West Lafayette, IN 47907 (corresponding author).
3. Professor, School of Civil Engineering, Purdue Univ., Civil Engineering, West Lafayette, IN 47907.