1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Texas at San Antonio, San Antonio, TX.
2. Undergraduate Research Assistant, Univ. of Texas at San Antonio, San Antonio, TX.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Texas at San Antonio, San Antonio, TX.
4. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Texas at San Antonio, San Antonio, TX.