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Etude de la degradation des ouvrages en beton atteints par la reaction alcali-silice - approche experimentale et modelisation numerique des degradations dans un environnement hydro-chemo-mecanique variable

Abstract : Alkali-Silica Reaction is a concrete pathology which involves chemical reactions between on the one hand reactive silica from reactive aggregates and on the other hand ions from the inner solution of concrete. It leads to formation of gels, swelling and loss of the mechanical properties of affected concretes. This work aims at giving tools to understand and to help monitoring affected structures. There are three parts, the first deals with the prediction of the swelling on the basis of the ASR chemical mechanisms. The second describes the influence of water on ASR. The last deals with the description of the structural effects induced by ASR.
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https://tel.archives-ouvertes.fr/tel-00006479
Contributor : Poyet Stephane <>
Submitted on : Friday, July 16, 2004 - 1:28:56 PM
Last modification on : Wednesday, December 23, 2020 - 10:39:40 AM
Long-term archiving on: : Friday, April 2, 2010 - 8:13:06 PM

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  • HAL Id : tel-00006479, version 1

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Stéphane Poyet. Etude de la degradation des ouvrages en beton atteints par la reaction alcali-silice - approche experimentale et modelisation numerique des degradations dans un environnement hydro-chemo-mecanique variable. Matériaux. Université de Marne la Vallée, 2003. Français. ⟨tel-00006479⟩

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