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A Stiffness-based Approach to Analyze the Fire Behaviour of Cross-Laminated Timber Floors

Abstract : In the present paper, the experimental deflection of cross-laminated timber floors exposed to fire is predicted with the use of advanced and simplified methods. The accurate modelling is based on heat transfer prediction and reduced stiffness, while the simplified methods are based on reduced cross-section method (RCSM) of EN 1995 1-2 (CEN, 2004). All methods are combined with a thick plate theory for laminates in order to compute the mid-span deflection of the floors. The more accurate modelling returned a better agreement with the experimental reference than RCSM approaches. Finally, a RCSM approach based on the time dependency of the zero stiffness layer is suggested.
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https://hal-enpc.archives-ouvertes.fr/hal-01691117
Contributeur : Arthur Lebée <>
Soumis le : mardi 23 janvier 2018 - 16:30:25
Dernière modification le : vendredi 2 octobre 2020 - 15:40:03

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Lorenzo Franzoni, Dhionis Dhima, Florent Lyon, Arthur Lebée, Gilles Forêt. A Stiffness-based Approach to Analyze the Fire Behaviour of Cross-Laminated Timber Floors. Structural Engineering International, Iabse, Eth-honggerberg, 2017, 27 (2), pp.238 - 245. ⟨10.2749/101686617X14881932435411⟩. ⟨hal-01691117⟩

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