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Communication dans un congrès

Yield design based numerical analysis of three-dimensional reinforced concrete structures

Abstract : The purpose of this contribution is to present some new recent developments regarding the evaluation of the ultimate bearing capacity of massive reinforced concrete structures which cannot be modelled as 1D (beams) or 2D (plates) structural members. The approach is based on the implementation of the lower bound static approach of yield design through a discretization of the three-dimensional structure into tetrahedral finite elements, on the one hand, the formulation of the corresponding optimization problem in the context of Semidefinite Programming (SDP) techniques, on the other hand. Another key feature of the method lies in the treatment of the concrete embedded reinforcing bars not as individual elements, but by resorting to an extension of the homogenization approach. The whole procedure is first validated on a rather simple illustrative problem, then applied to the design of a bridge pier cap taken as an example of more complex and realistic structure.
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Communication dans un congrès
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https://hal-enpc.archives-ouvertes.fr/hal-01738638
Contributeur : Jérémy Bleyer <>
Soumis le : mardi 20 mars 2018 - 16:30:31
Dernière modification le : vendredi 17 juillet 2020 - 17:08:46
Archivage à long terme le : : mardi 11 septembre 2018 - 09:31:59

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  • HAL Id : hal-01738638, version 1

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Hugues Vincent, Mathieu Arquier, Jeremy Bleyer, Patrick de Buhan. Yield design based numerical analysis of three-dimensional reinforced concrete structures. 4th international conference on Mechanical Models in Structural Engineering, Dec 2017, Madrid, Spain. ⟨hal-01738638⟩

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