1. Assistant Professor, Civil Engineering Dept., Univ. of Kentucky, 373 Raymond Building, Lexington, KY 40506 (corresponding author).
2. Ph.D. Candidate, Civil Engineering Dept., Univ. of Kentucky, 382 Raymond Building, Lexington, KY 40506.
3. Emeritus Professor, Structure Steel Design, Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24061.