1. Bridge Design Engineer, Texas Dept. of Transportation, Bridge Division, 125 East 11th St., Austin, TX 78701; formerly, Ph.D. Candidate, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, 2150 Learned Hall, 1530 W. 15th St., Lawrence, KS 66045 (corresponding author). E-mail: yzhao@dot.state.tx.us
2. Professor and Chair, Dept. of Civil and Environmental Engineering, The George Washington Univ., 643 Academic Center, 801 22nd St., NW, Washington, DC 20052; formerly, Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, 2150 Learned Hall, 1530 W. 15th St., Lawrence, KS 66045. E-mail: roddis@gwu.edu