1. Ph.D. Candidate, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton St., ECJ 5.412, Austin, TX 78712 (corresponding author).
2. Professor, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton St., ECJ 5.412, Austin, TX 78712.