1. Ph.D. Student, Dept. of Civil Engineering, Univ. of Texas at Arlington, P.O. Box 19308, Arlington, TX 76019.
2. Associate Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, P.O. Box 19308, Arlington, TX 76019.
3. Master Student, Dept. of Civil Engineering, Univ. of Texas at Arlington, P.O. Box 19308, Arlington, TX 76019.
4. Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, P.O. Box 19308, Arlington, TX 76019.