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Modelling of in-plane seismic behaviour of one-way steel or timber jack arch floors in existing buildings: application to the Eixample district of Barcelona

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10.1016/j.engstruct.2022.114343
 
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Dimovska, SaraMés informacióMés informació
Saloustros, SavvasMés informació
Pelà, LucaMés informacióMés informacióMés informació
Roca Fabregat, PedroMés informacióMés informacióMés informació
Document typeArticle
Defense date2022-07
Rights accessRestricted access - publisher's policy (embargoed until 2024-05-19)
Attribution-NonCommercial-NoDerivs 4.0 International
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 4.0 International
ProjectEVALUACION MULTINIVEL DE LA VULNERABILIDADD SISMICA Y MITIGACION DE RIESGO DE EDIFICIOS DE OBRA DE FABRICA EN CENTROS URBANOS HISTORICOS RESILIENTES (AEI-RTI2018-099589-B-I00)
Abstract
The type of floor system has a decisive role in the seismic performance of unreinforced masonry buildings. The in-plane stiffness of the floors has to be adequately represented in the numerical modelling of existing buildings, as it can influence their seismic capacity. This paper investigates the seismic behaviour of one-way arch floor systems composed of steel or timber beams, and ceramic tile vaults. The main objective of the research is to provide a numerical procedure for the simplified modelling of jack arch floor systems in the seismic assessment of unreinforced masonry buildings. The presented approach aims to provide values for the orthotropic properties of simplified floor models composed of elastic 2D shell elements. The orthotropic elastic properties are computed and calibrated by means of comparisons with detailed 3D nonlinear models of the floors. The case study is a multi-storey existing masonry building of the historical “Eixample” district in Barcelona, which includes one-way arch floor systems. The Finite Element Method has been used for the numerical simulation of the seismic performance through nonlinear static (pushover) analyses. The results of the study contribute to a better understanding of the effect of the behaviour of one-way floors with steel or timber beams and tile vaults on the seismic response of masonry buildings. This work provides indicative values for the proper modelling of these particular floor slabs. The proposed methodology is also applicable to the numerical simulation of any other one-way floor system.
CitationDimovska, S. [et al.]. Modelling of in-plane seismic behaviour of one-way steel or timber jack arch floors in existing buildings: application to the Eixample district of Barcelona. "Engineering structures", Juliol 2022, vol. 262, p. 114343:1-114343:20. 
URIhttp://hdl.handle.net/2117/368368
DOI10.1016/j.engstruct.2022.114343
ISSN0141-0296
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S0141029622004606
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  • Doctorat en Enginyeria de la Construcció - Articles de revista [118]
  • Departament d'Enginyeria Civil i Ambiental - Articles de revista [2.810]
  • ATEM - Anàlisi i Tecnologia d'Estructures i Materials - Articles de revista [319]
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