Non-linear finite element modelling of the structural behaviour of screwed timber-to-concrete composite connections - Archive ouverte HAL Access content directly
Journal Articles Composite Structures Year : 2013

Non-linear finite element modelling of the structural behaviour of screwed timber-to-concrete composite connections

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Abstract

This paper discusses a numerical approach, based on beam-to-solid modelling, for the simulation of the nonlinear structural behaviour of timber-to-concrete composite beams made with screws. The present contribution is an alternative to the detailed 3D modelling of the screws using solid elements and simplified approaches which use spring elements at each screw location. The screws were modelled using one-dimensional beam element, while the timber and concrete members were modelled, in detail, using 3D solid elements. To deal with the coupling between the common nodes, the 4-node beam element with only translational degrees of freedom (d.o.f.) per node, recently developed by the authors [1,2], has been extended to nonlinear analysis and employed to model the screws, since the existing 2-node beam element is obviously not fulfilled for screws in timber [2]. The effectiveness of the numerical model developed was verified experimentally showing several advantages by comparison to the existing models in the literature.
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Dates and versions

hal-01593769 , version 1 (26-09-2017)

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M. Oudjene, E-M. Meghlat, H. Ait-Aider, J-L. Batoz. Non-linear finite element modelling of the structural behaviour of screwed timber-to-concrete composite connections. Composite Structures, 2013, 102, pp.20-28. ⟨10.1016/j.compstruct.2013.02.007⟩. ⟨hal-01593769⟩
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