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research article

Shake table tests on nonlinear steel fuses for the acceleration-control of nonstructural components

Elkady, Ahmed
•
Kazantzi, Athanasia K.
•
Dietz, Matt
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June 25, 2025
Earthquake Spectra

During recent major earthquakes, modern seismically designed buildings have demonstrated a low risk of collapse and life-safety limit states. However, both direct and indirect economic losses are often primarily due to damage to nonstructural components. This damage can be significant even under the more frequent low- or moderate-intensity earthquakes, as corroborated by system-level numerical studies, since it can result in greatly amplified forces and accelerations transmitted into the nonstructural components. Recent numerical research has demonstrated that this can be affordably and practically done by connecting the component to the structure via sacrificial controlled-strength steel fuses, designed to yield at desirable force levels and hence limiting the forces and damage in the nonstructural component. A shake table testing campaign was undertaken at the University of Bristol to experimentally validate this concept. The tests involved 14 specimens comprising different masses and tuned fuse geometries subjected to recorded floor motions, resulting in a total of 45 dynamic tests. The testing campaign, the instrumentation, the processing, and deduction of the response histories are described in detail. The resulting dataset is curated, organized, and made publicly available through an online repository to support further numerical and computational research on damage-free structures.

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Type
research article
DOI
10.1177/87552930251348159
Author(s)
Elkady, Ahmed

University of Southampton

Kazantzi, Athanasia K.

International Hellenic University

Dietz, Matt

University of Bristol

Dihoru, Luiza

University of Bristol

De Risi, Raffaele

University of Bristol

Vamvatsikos, Dimitrios

National Technical University of Athens

Lignos, Dimitrios G.  

École Polytechnique Fédérale de Lausanne

Miranda, Eduardo

Stanford University

Mylonakis, George

University of Bristol

Date Issued

2025-06-25

Publisher

SAGE Publications

Published in
Earthquake Spectra
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
RESSLAB  
FunderFunding(s)Grant NumberGrant URL

Seismology and Earthquake Engineering Research Infrastructure Alliance for Europe

Project #12 NSFUSE

Available on Infoscience
June 27, 2025
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/251704
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