1. Doctoral Candidate, Dept. of Civil and Environmental Engineering, Pennsylvania State Univ., 212 Sackett, University Park, PA 16801.
2. Structural Engineer, WorleyParsons Group, Inc., 633 Chestnut St., Suite 400, Chattanooga, TN 37450.
3. Associate Professor, Dept. of Civil and Environmental Engineering, Pennsylvania State Univ., 212 Sackett, University Park, PA 16801 (corresponding author).