1. Assistant Professor, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 1 Univ. Station C1761, Austin, TX (corresponding author).
2. Engineer, CALTRANS, Sacramento, CA.
3. Associate Professor, Dept. of Chemical Engineering, Univ. of Rhode Island, Kingston, RI.
4. Professor, Dept. of Civil Engineering, TX A&M Univ., College Station, TX.