1. Ph.D. Candidate/Graduate Research Assistant, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 302 Engineering Research Lab, 500 W. 16th St., Rolla, MO 65409 (corresponding author).
2. Assistant Professor, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 331 Butler Carlton Hall, 1401 N. Pine St., Rolla, MO 65409.