Nabid, N., Hajirasouliha, I. orcid.org/0000-0003-2597-8200 and Petkovski, M.
(2017)
A practical method for optimum seismic design of friction wall dampers.
Earthquake Spectra, 33 (3).
pp. 1033-1052.
Abstract
Friction control systems have been widely used as one of the efficient and cost effective solutions to control structural damage during strong earthquakes. However, the height-wise distribution of slip loads can significantly affect the seismic performance of the strengthened frames. In this study, a practical design methodology is developed for more efficient design of friction wall dampers by performing extensive nonlinear dynamic analyses on 3, 5, 10, 15, and 20-story RC frames subjected to seven spectrum-compatible design earthquakes and five different slip load distribution patterns. The results show that a uniform cumulative distribution can provide considerably higher energy dissipation capacity than the commonly used uniform slip load pattern. It is also proved that for a set of design earthquakes, there is an optimum range for slip loads that is a function of number of stories. Based on the results of this study, an empirical equation is proposed to calculate a more efficient slip load distribution of friction wall dampers for practical applications. The efficiency of the proposed method is demonstrated through several design examples.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © Earthquake Engineering Research Institute, 2017. This is an author produced version of a paper subsequently published in Earthquake Spectra. Uploaded in accordance with the publisher's self-archiving policy. |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Civil and Structural Engineering (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 19 May 2017 14:47 |
Last Modified: | 11 Jan 2018 17:03 |
Published Version: | https://doi.org/10.1193/110316EQS190M |
Status: | Published |
Publisher: | Earthquake Engineering Research Institute |
Refereed: | Yes |
Identification Number: | 10.1193/110316EQS190M |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:116608 |