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Modeling the Response of a Lead Core Rubber Bearing for Seismic Isolation

Modeling the Response of a Lead Core Rubber Bearing for Seismic Isolation


Title: Modeling the Response of a Lead Core Rubber Bearing for Seismic Isolation
Author: Zhelyazov, Todor
Yang, Mijia
Lanzinha, Joao C.G.
Hu, Jianhui
Samui, Pijush
Date: 2023-12-07
Language: English
Scope: 7
ISBN: 9781614994398
Series: Hydraulic and Civil Engineering Technology VIII - Proceedings of the 8th International Technical Conference on Frontiers of HCET 2023; ()
Advances in Transdisciplinary Engineering; 43()
DOI: 10.3233/ATDE230696
Subject: finite element analysis; Lead core rubber bearing; multilayer perceptron; Computer Science Applications; Industrial and Manufacturing Engineering; Software; Algebra and Number Theory; Strategy and Management
URI: https://hdl.handle.net/20.500.11815/5221

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Citation:

 
Zhelyazov , T 2023 , Modeling the Response of a Lead Core Rubber Bearing for Seismic Isolation . in M Yang , J C G Lanzinha , J Hu & P Samui (eds) , Hydraulic and Civil Engineering Technology VIII - Proceedings of the 8th International Technical Conference on Frontiers of HCET 2023 . Advances in Transdisciplinary Engineering , vol. 43 , IOS Press BV , pp. 11-17 , 8th International Technical Conference on Frontiers of Hydraulic and Civil Engineering Technology, HCET 2023 , Wuhan , China , 25/09/23 . https://doi.org/10.3233/ATDE230696
 
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Abstract:

Lead core rubber bearings are among the commonly used devices for seismic isolation of buildings and structures. They are a part of the so-called base isolation meant to decouple the superstructure from the ground, thus modifying the structure's fundamental period and mitigating damage to structural and non-structural elements. Many insightful models have contributed to a better understanding of the lead core rubber bearings response considered as a separate unit or components of a seismically protected structure. However, the available models can still be enhanced. Furthermore, prediction of the dynamic structural response always offers, in most cases, unique problems; the incorporated models of the devices for seismic isolation play a crucial role in such a context. The article discusses an approach to predict the lead core rubber bearing response considered as a separate unit. To this end, the needed constitutive relations are defined on the material scale. The behavior of the isolator is then studied by transient finite element analysis. Both ready-to-use material models and original procedures (being developed) are considered. Additionally, some features of a data-driven algorithm designed to predict the response of a lead core rubber bearing are outlined.

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Publisher Copyright: © 2023 The Authors.

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