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Closed-form solutions for predicting the thick elastic plate behavior of CLT and timber panels with gaps

Abstract : In a former paper by the authors [1], the elastic behavior of Cross Laminated Timber (CLT) and timber panels having periodic gaps between lateral lamellae has been analyzed. A thick plate homogenization scheme based on Finite Elements computations has been applied. The predicted behavior was in agreement with experimental results. In this paper, simplified closed-form solutions are derived in order to avoid FE modeling. Both cases of narrow gaps of CLT panels and wide gaps of innovative lightweight panels are investigated. CLT and timber panels with gaps are modeled as a space frame of beams connected with wooden blocks. The contribution of both beams and blocks to the panel's mechanical response is taken into account, leading to closed-form expressions for predicting the panel's stiffnesses and maximum longitudinal and rolling shear stresses. The derived closed-form solutions are in agreement with the reference FE results and they can be used for practical design purposes.
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Soumis le : vendredi 11 janvier 2019 - 16:59:47
Dernière modification le : vendredi 2 octobre 2020 - 15:40:03

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Arthur Lebée, Gilles Forêt, Florent Lyon, Lorenzo Franzoni. Closed-form solutions for predicting the thick elastic plate behavior of CLT and timber panels with gaps. Engineering Structures, Elsevier, 2018, 164, pp.290-304. ⟨10.1016/j.engstruct.2018.02.073⟩. ⟨hal-01978742⟩

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