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Numerical analysis of steel beam–column connection under cyclic loading with dog bone type fuses

Numerical analysis of steel beam–column connection under cyclic loading with dog bone type fuses This work follows the latest development trend in resilient structures by arresting inelastic damage in a small replaceable link at a predetermined location. Toward this, here innovative beam fuse has been proposed with dog bone shape of parabolic, circular, smooth surface, triangle, and sharp type. These fuses are also provided with a flange of 8 mm thickness and web plate of 4 mm thickness. Comparative analysis has been carried out for five beam–column sub-assemblages in ABAQUS FEM software. In this modeling, the bolted end plate has been omitted as the focus is only on the connection’s pure fuse behavior. SAC loading protocol has been adopted to evaluate the cyclic behavior of the connections. Strength degradation, ductility, and energy dissipation have been studied. All the fuse connections show excellent ductility under the cyclic loading. For all the fuses based on rupture index, cracking may occur between the web plate and the flange plate of the fuse. Here fuse with smooth dog bone shape shows the highest amount of energy dissipation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Journal of Civil Engineering Springer Journals

Numerical analysis of steel beam–column connection under cyclic loading with dog bone type fuses

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References (13)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
ISSN
1563-0854
eISSN
2522-011X
DOI
10.1007/s42107-023-00761-8
Publisher site
See Article on Publisher Site

Abstract

This work follows the latest development trend in resilient structures by arresting inelastic damage in a small replaceable link at a predetermined location. Toward this, here innovative beam fuse has been proposed with dog bone shape of parabolic, circular, smooth surface, triangle, and sharp type. These fuses are also provided with a flange of 8 mm thickness and web plate of 4 mm thickness. Comparative analysis has been carried out for five beam–column sub-assemblages in ABAQUS FEM software. In this modeling, the bolted end plate has been omitted as the focus is only on the connection’s pure fuse behavior. SAC loading protocol has been adopted to evaluate the cyclic behavior of the connections. Strength degradation, ductility, and energy dissipation have been studied. All the fuse connections show excellent ductility under the cyclic loading. For all the fuses based on rupture index, cracking may occur between the web plate and the flange plate of the fuse. Here fuse with smooth dog bone shape shows the highest amount of energy dissipation.

Journal

Asian Journal of Civil EngineeringSpringer Journals

Published: Jan 1, 2024

Keywords: Replaceable fuse; Energy dissipation capacity; Dog bone shape; Resilient structures, FEM, cyclic

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