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Etude expérimentale et numérique du comportement des voiles en maçonnerie soumis à un chargement hors plan

Abstract : The study, based on experiments and numerical modeling, discusses the behavior of masonry walls in the loading case of a uniform out of plane pressure. Engineering applications are multiple, for example the case of detached house built on mountain in blue area, where structures are liable to undergo an impact of snow avalanche type; or the case of masonry subjected to lateral pressure induced by accidental load such as an explosion in Seveso area or more generally in city following the explosion of a gas pipeline. Our study allows, first to quantify the bearing capacity in the case of uniform pressure in quasi-static loading case, and thus to highlight the associated modes of rupture, and secondly to estimate the improvements in terms of global behavior when the structure is reinforced by Carbon Fiber Reinforced Polymer (CFRP) layers. Then, discrete element method (DEM) is illustrated by applications to various masonry problems from simple to more complicated, where in plane loading, out of plane loading, or both, are considered. This modeling allows us to evaluate the pertinence and limitations of DEM in masonry structure. Finally we discuss the dynamic tests, with the case of impact, easier to manage in laboratory than the testing dynamic "blast type" that we will put into perspective.
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Submitted on : Friday, March 21, 2014 - 3:33:32 PM
Last modification on : Wednesday, July 8, 2020 - 12:42:33 PM
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  • HAL Id : tel-00963611, version 1

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T.T. Bui. Etude expérimentale et numérique du comportement des voiles en maçonnerie soumis à un chargement hors plan. Génie civil. INSA de Lyon, 2013. Français. ⟨NNT : 2013ISAL0046⟩. ⟨tel-00963611⟩

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