1. Ph.D. Student, Dept. of Civil Engineering, Univ. of Texas at Arlington, 425 Nedderman Hall, 416 Yates St., Arlington, TX 76019 (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Texas at Arlington, 425 Nedderman Hall, 416 Yates St., P.O. Box 19308, Arlington, TX 76019.
3. Graduate Student, Dept. of Civil Engineering, Univ. of Texas at Arlington, 425 Nedderman Hall, 416 Yates St., Arlington, TX 76019.
4. Assistant Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, 2150 Learned Hall, 1530 West, 15th St., Lawrence, KS 66045.