1. Research Assistant, Dept. of Civil Engineering, Isfahan Univ. of Technology, Isfahan 84156-83111, Iran (corresponding author).
2. Professor, Dept. of Civil Engineering, Isfahan Univ. of Technology, Isfahan 84156-83111, Iran; Invited Professor and Visiting Scholar, Univ. of California, Irvine, CA 92697.
3. Research Assistant, Structural Engineering Research Laboratory, Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600 Dübendorf, Switzerland; Ph.D. Student, School of Architecture, Civil and Environmental Engineering, Swiss Federal Institute of Technology Lausanne, Station 18, CH-1015 Lausanne, Switzerland.