Finite element modelling of adhesively bonded timber-concrete composite beams

This study presents a 3D non-linear Finite Element (FE) model for adhesively bonded Timber-Concrete Composite (TCC) beams. A comprehensive analysis was conducted through a combination of numerical simulations and experimental tests by investigating the deformation behaviour, bending stress distribut...

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Bibliographic Details
Published in:European journal of environmental and civil engineering 2024-10, Vol.28 (14), p.3348-3367
Main Authors: Shehada, Mohammed, Djamaï, Zakaria Ilyes, Duprat, Frédéric
Format: Article
Language:English
Subjects:
adhesive bonding
Civil Engineering
concrete
Engineering Sciences
finite element
TCC beams
TCC modeling
Timber
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Summary:This study presents a 3D non-linear Finite Element (FE) model for adhesively bonded Timber-Concrete Composite (TCC) beams. A comprehensive analysis was conducted through a combination of numerical simulations and experimental tests by investigating the deformation behaviour, bending stress distribution, ultimate capacity, and failure characteristics of TCC beams. Despite the challenges that arose in cases of bonding failure, leading to exceptional deviations in behaviour, the results revealed a remarkable agreement between the predictions of the FE model and the outcomes of experimental tests. The FE model accurately predicted the degree of composite action. Notably, the FE model and analytical model based on the γ-method exhibit comparable predictive performance in terms of deformation. Bending stress distribution findings highlighted a strong correspondence between FE simulations and experimental data. Furthermore, the FE model demonstrated efficacy in predicting the ultimate capacity of TCC beams and consistently captured failure modes, indicating its reliability in simulating the complex behaviour of TCC beams.
ISSN:1964-8189
2116-7214
DOI:10.1080/19648189.2024.2340634