1. Former Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Pittsburgh, 153 Benedum Hall, 3700 O’Hara St., Pittsburgh, PA 15261, United States.
2. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Pittsburgh, 153 Benedum Hall, 3700 O’Hara St., Pittsburgh, PA 15261, United States.
3. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Pittsburgh, 153 Benedum Hall, 3700 O’Hara St., Pittsburgh, PA 15261, United States (corresponding author).