1. Assistant Professor, Dept. of Civil and Environmental Engineering, Texas Tech Univ., Lubbock, TX 79424.
2. Associate II, Washington, DC., Office, Construction Technology Laboratories (CTLGroup), 9030 Red Branch Rd., Columbia, MD 21044.
3. Professor and Dean, College of Engineering and Computing, Florida International Univ., Miami, FL 33174.
4. Hugh Roy and Lillie Cranz Cullen Professor and Department Chair, Dept. of Civil and Environmental Engineering, Univ. of Houston, Houston, TX 77204-4003 (corresponding author).