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Ali Kachooee
Ph.D Student, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Civil Engineering, Building, Construction & Architecture

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Journal : Civil Engineering Journal

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The Effect of Local Fuse on Behavior of Concentrically Braced Frame by a Numerical Study Ali Kachooee; Mohammad Ali Kafi; Mohsen Gerami
Civil Engineering Journal Vol 4, No 3 (2018): March
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1374.529 KB) | DOI: 10.28991/cej-0309123

Abstract

The concentrically braced frames (CBFs) are one of the most widely used lateral load-resisting systems. Seismic performance of these structures has a weakness that is due to the brace buckling at a lower loading than the ultimate compressive loading capacity. In this paper, attempt is made to enhance the seismic response of CBFs through utilizing a local fuse. For this purpose, first the formulation of fuse area and length are presented. Then based on this formulation, several numerical models have been built and analyzed to examine the effect of implementing this fuse on seismic response of CBFs. From the analyses results, it is found that if the reduced cross-section fuse (RCF) is properly designed and also the end of brace is fixed, the CBFs with equal energy dissipation capacity, that are equipped with this fuse exhibit a better ductility than the customary CBFs.
Co-Authors Mohammad Ali Kafi Mohsen Gerami