1. Ph.D. Candidate, Dept. of Civil Engineering, Southeast Univ., Nanjing 210096, China; formerly, Visiting Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of Tennessee, Knoxville, TN 37996.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Tennessee, 223 Perkins Hall, Knoxville, TN 37996-2010 (corresponding author).
3. M.S. Student, Dept. of Civil and Environmental Engineering, Univ. of Tennessee, Knoxville, TN 37996.
4. Professor, Dept. of Civil Engineering, Southeast Univ., Nanjing 210096, China.