1. Assistant Professor, Dept. of Architecture, Izmir Univ. of Economics, Balcova 35330, Izmir, Turkey. E-mail: suat.gunhan@ieu.edu.tr
2. Professor, Dept. of Civil and Architectural Engineering, Illinois Institute of Technology, Chicago, IL 60616. E-mail: arditi@iit.edu
3. Formerly, Graduate Student, Dept. of Civil and Architectural Engineering, Illinois Institute of Technology, Chicago, IL 60616.