1. Ph.D. Student, Charles E. Via, Jr. Dept. of Civil and Environmental Engineering, Virginia Tech, 121 Patton Hall, Blacksburg, VA 24061 (corresponding author).
2. Assistant Professor, Sid and Reva Dewberry Dept. of Civil, Environmental and Infrastructure Engineering, Volgenau School of Engineering, George Mason Univ., Nguyen Engineering Bldg., Suite 1405, 4400 University Dr., MS 6C1, Fairfax, VA 22030.
3. Project Engineer, Robertson Construction Services, 1801 Thornwood Dr., Heath, OH 43056.
4. Assistant Professor, Dept. of Civil Engineering, California State Polytech Univ., 3801 W. Temple Ave., Pomona, CA 91768.
5. Professor, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., 494 Town Engineering Bldg., Ames, IA 50010.