Specification of Response modification factor for Steel Plate Shear Wall by Incremental Dynamic Analysis Method [IDA]

Abstract

M.Gholhaki1*,Gh.Pachideh2, O. Rezayfar3, S.Ghazvini41- Associate Prof., Structure Eng. Dept., Faculty of Civil Eng., Semnan University2- Phd Candidate, Structure Eng. Dept., Faculty of Civil Eng., Semnan University3- Assistant Prof., Structure Eng. Dept., Faculty of Civil Eng., Semnan University4- Msc, Structure Eng. Dept., Faculty of Civil Eng., Semnan UniversityToday, with the increasing spread of high constructions, as a development symbol, the need for selecting robust and suitable system for bearing optimally loads from earthquakes and wind and with high energy absorption power, has been significantly considered. Steel plate shear walls have been used over four decades as an efficient lateral resistance system. This paper analyzed the over strength factor, Ductility Factor and behavior factor of these system. For this, 7, 15 and 30 floors frames possessing one or two steel plate shear wall spans, have been analyzed in non-linear static, linear dynamic or increasingly dynamic analysis (IDA). For considering inherent uncertainty of earthquake, it was used of increasingly dynamic analysis and 7 records of the strongest earthquakes have been ever occurred were selected. The results showed that the behavior factor of this system in limit form for high construction is 8 and for short and middle construction is about 9.

Keywords

• steel plate shear wall
• incremental dynamic analysis
• response modification factor
• record
• opensees