1. Ph.D. Candidate, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 326 Butler-Carlton Hall, 1401 N. Pine St., Rolla, MO 65409.
2. Professor and Abbett Distinguished Chair, Civil Engineering, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, 328 Butler-Carlton Hall, 1401 N. Pine St., Rolla, MO 65409 (corresponding author).