1. Graduate Teaching and Research Assistant, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX 76019 (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX 76019.
3. Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX 76019.
4. Graduate Research Assistant, Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX 76019.