1. Assistant Professor, Civil Engineering Dept., Ohio Univ., Athens, OH 45701 (corresponding author).
2. Associate Professor, School of Electrical Engineering and Computer Science, Ohio Univ., Athens, OH 45701.
3. Graduate Research Assistant, Dept. of Civil Engineering, Ege Univ., Izmir, Turkey.
4. Associate Professor, Dept. of Civil Engineering, Ege Univ., Izmir, Turkey.