1. Assistant Professor, OHL School of Construction, College of Engineering and Computing, Florida International Univ., 10555 W. Flagler St., EC 2954, Miami, FL 33174.
2. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.
3. Professor and Nathan M. & Anne M. Newmark Endowed Chair, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana-Champaign, 205 N. Mathews Ave., Urbana, IL 61801.