Seismic performance comparison of thin steel shear wall and cross brace by Non-linear static analysi

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Seismic performance comparison of thin steel shear wall and cross brace by Non-linear static analysis

Pooria MOSHAVER
Department of Civil Engineering, Engineering Faculty, College of Technical and Vocational University Sanandaj Branch, Sanandaj, Iran.

 

Abstract. Steel shear wall system has been rapidly paid into attention as a resistant system against lateral loads within 3 recent decades. This system also is used for construction and retrofitting of important buildings entire the world particularly in seismicity countries such as Japan and the US. In addition, during the recent years, seismic design of the structures through changing design criterion from resistant methods to performance has been considerably welcomed by engineering society. For evaluation of constructed structures based on prior regulations, structures design regulations (regulation 2800) cannot be used and such instructions as instruction for seismic rehabilitation should be employed which evaluate and rehabilitate the structures using performance-based design concept. In present study, general performance parametric assessment of Intermediate Steel Moment Frame was carried out along with evaluation of thin Steel Shear Wall (SSW) and convergent cross brace. For this purpose, several steel frames were modeled using SAP 2000 software package. Performance assessment of each frame was conducted using non-linear static analysis or Push Over and performance point of each frame was specified using the concepts capacity spectrum and demand spectrum.

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