1. Formerly, M.S. Student, Dept. of Civil and Materials Engineering, Univ. of Illinois at Chicago, 842 W Taylor St., ERF 1068, Chicago, IL 60607.
2. Ph.D. Student, Dept. of Civil and Materials Engineering, Univ. of Illinois at Chicago, 842 W Taylor St., ERF 1068, Chicago, IL 60607.
3. Associate Professor, Dept. of Civil and Materials Engineering, Univ. of Illinois at Chicago, 842 W Taylor St., ERF 1068, Chicago, IL 60607 (corresponding author).