1. Ph.D. Candidate, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton Street, 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 Street, ECJ 5.412, Austin, TX 78712.