1. Associate Professor, Charles Durham School of Architectural Engineering and Construction, Univ. of Nebraska-Lincoln, 1110 S. 67th St., Peter Kiewit Institute 104C, Omaha, NE 69182 (corresponding author).
2. Engineer, Kiewit Construction, 245 W Loraine St. #130, Glendale, CA 91202.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, San Jose State Univ., One Washington Square, San Jose, CA 95192-0083.
4. Assistant Professor, Dept. of Construction Science, Texas A&M Univ., 429A Langford, College Station, TX 77843-3137.
5. GRA, Charles Durham School of Architectural Engineering and Construction, Univ. of Nebraska-Lincoln, 1110 S. 67th St., Peter Kiewit Institute 118A, Omaha, NE 69182.
6. Assistant Professor, Charles Durham School of Architectural Engineering and Construction, College of Engineering, Univ. of Nebraska-Lincoln, 1110 S. 67th St., Peter Kiewit Institute, Omaha, NE 69182.