Approche analytique de l'influence de la plasticité pour la prévision des tassements différentiels d'une structure

Abstract : This paper aims to develop an analytical model which can predict the building-relevant deflections induced by a subsidence by taking into account the soilstructure interaction and by considering an elasto-plastic behavior of the. The soil is modeled with the Winkler model with a threshold of the maximal vertical pressure. The building is modeled with an Euler-Bernoulli beam with a uniform load, lying upon an initial curved ground equivalent to the free field ground movements. The static and cinematic equilibrium of both the ground and the building are then calculated to assess the final building deflection and ground shape. Results show a significant influence of the change of soil behavior.
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Bakri Basmaji, Olivier Deck, Marwan Al Heib. Approche analytique de l'influence de la plasticité pour la prévision des tassements différentiels d'une structure. 8. Journées Nationales de Géotechnique et de Géologie de l'ingénieur (JNGG 2016) "Analyser concevoir et aménager dans la durée", Jul 2016, Nancy, France. ⟨ineris-01863840⟩

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