1. Graduate Research Assistant, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409 (corresponding author).
2. Graduate Research Assistant, Dept. of Electrical and Computer Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409.
3. Associate Professor and Stirrat Faculty Scholar, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409.