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Effect of friction pendulum bearing on metallic buildings behaviour subjected to horizontal ground motions

Effect of friction pendulum bearing on metallic buildings behaviour subjected to horizontal... Friction pendulum base isolation system (FPS) is currently a widely used practice for the protection of structural and non-structural components of buildings against the destructive effects of earthquakes, due to its significant features such as the steadiness of its physical properties and its durability compared to other base isolation devices such as elastomeric bearings. This paper is focused on an examination of the dynamic response of metallic building fitted with a friction pendulum base isolation damper. The analyses were elaborated with a three-dimensional (3D) numerical modelling. Fast nonlinear time history analysis (FNA) with ten seismic signals is applied in this work employing a structural analysis programme. The results obtained from the investigations of different cases studied with and without the isolated bearing base were summarized in tables and graphics and discussed. In addition, the hysteretic behaviour of the FPS device was examined and discussed under a major seismic event. Furthermore, to explore the performance and subsequently the level of damages that can occur in the steel frame elements in the case of its three alternatives (braced, unbraced and isolated), nonlinear static analyses (pushover procedure) were carried out and the results analysed. The paper showed the significant ability of the FPS damper to dissipate the response of the steel frame under extreme conditions considering various types of earthquake recordings and different levels of dynamic loadings, without resorting to the need to reinforce with additional steel members. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Journal of Civil Engineering Springer Journals

Effect of friction pendulum bearing on metallic buildings behaviour subjected to horizontal ground motions

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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/s42107-023-00626-0
Publisher site
See Article on Publisher Site

Abstract

Friction pendulum base isolation system (FPS) is currently a widely used practice for the protection of structural and non-structural components of buildings against the destructive effects of earthquakes, due to its significant features such as the steadiness of its physical properties and its durability compared to other base isolation devices such as elastomeric bearings. This paper is focused on an examination of the dynamic response of metallic building fitted with a friction pendulum base isolation damper. The analyses were elaborated with a three-dimensional (3D) numerical modelling. Fast nonlinear time history analysis (FNA) with ten seismic signals is applied in this work employing a structural analysis programme. The results obtained from the investigations of different cases studied with and without the isolated bearing base were summarized in tables and graphics and discussed. In addition, the hysteretic behaviour of the FPS device was examined and discussed under a major seismic event. Furthermore, to explore the performance and subsequently the level of damages that can occur in the steel frame elements in the case of its three alternatives (braced, unbraced and isolated), nonlinear static analyses (pushover procedure) were carried out and the results analysed. The paper showed the significant ability of the FPS damper to dissipate the response of the steel frame under extreme conditions considering various types of earthquake recordings and different levels of dynamic loadings, without resorting to the need to reinforce with additional steel members.

Journal

Asian Journal of Civil Engineering – Springer Journals

Published: Mar 16, 2023

Keywords: Steel building; Friction pendulum isolators; Energy dissipation; Fast nonlinear analysis (FNA) ; Seismic analysis

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