1. Department of Architectural Engineering and Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park, PA 16802
2. Wiss, Janney, Elstner Associates, Inc., 1350 Broadway, Suite 910, New York, NY 10018
3. Department of Architectural Engineering, The Pennsylvania State University, University Park, PA 16802 (Corresponding author), e-mail: rls5008@engr.psu.edu