1. a Department of Architectural Engineering , The Pennsylvania State University , University Park, PA, 16802, US Phone: Fax: E-mail:
2. b Faculty of Civil Engineering , Universiti Teknologi Malaysia , Johor Bahru, Malaysia Phone: Fax: E-mail:
3. c Department of Civil and Building Engineering , Loughborough University , Loughborough, LE11 3TU, UK Phone: Fax: E-mail: