1. Senior Lecturer, Faculty of Civil and Environmental Engineering, Technion—Israel Institute of Technology, 840 Rabin Bldg., Technion Campus, Haifa 32000, Israel. E-mail: cvsacks@technion.ac.il
2. Graduate Student, Faculty of Civil and Environmental Engineering, Technion—Israel Institute of Technology. E-mail: albertoe@techunix.technion.ac.il
3. Graduate Student, Faculty of Civil and Environmental Engineering, Technion—Israel Institute of Technology. E-mail: goldm@techunix.technion.ac.il