1. Graduate Engineer, Solutions Beyond the Structure, 1018 W. 11th St., Ste. 100, Austin, TX 78703.
2. A.P. & Florence Wiley Professor II, Zachry Dept. of Civil Engineering, Texas A&M Univ., College Station, TX 77831-3136 (corresponding author).
3. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
4. Professor and Hal D. Pritchett Endowed Chair, School of Civil and Construction Engineering, Oregon State Univ., 220 Owen Hall, Corvallis, OR 97331.