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Energy Dissipater for Concentrically Braced Frames: Brace Member with Combined Properties of Metallic Structural Fuse and Friction Damper Open Access


Other title
Yielding Steel Plate Fuse
Seismic Energy Dissipater
Concentrically Braced Frame
Metallic Structural Fuse
Friction Damper
Seismic Damper
Earthquake Engineering
Type of item
Degree grantor
University of Alberta
Author or creator
Melnik, Alexander
Supervisor and department
Dr. Cheng, Roger (Civil and Environmental Engineering)
Examining committee member and department
Dr. Deng, Lijun (Civil and Environmental Engineering)
Dr. Driver, Robert (Civil and Environmental Engineering)
Dr. Cheng, Roger (Civil and Environmental Engineering)
Department of Civil and Environmental Engineering
Structural Engineering
Date accepted
Graduation date
Master of Science
Degree level
The main focus of this research is to develop and evaluate a high performance seismic energy dissipater for a concentrically braced frame that can be easily fabricated using common steel grades by a typical steel fabricator. Developmental stage of the research has concluded that brace member with combined properties of metallic structural fuse and friction damper can achieve superior performance while being a cost-effective solution. An experimental program was conducted to evaluate hysteretic response of six configurations of prototype brace member. Physical tests demonstrate that proposed energy dissipater can sustain axial deformation of up to 140.0 mm under incrementally increasing cyclic load. Parametric study was performed using FEA to evaluate and postpone out-of-plane buckling within metallic structural fuse that was observed during the experiment. Experimental program results demonstrate that developed seismic energy dissipater is capable of achieving high ductility and superior, in certain aspects, performance when compared to existing alternatives.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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