Influence of Water on Alkali-Silica Reaction: Experimental Study and Numerical Simulations

Stéphane Poyet 1 Alain Sellier 2 Bruno Capra 3 Geneviève Thèvenin-Foray 4 Jean-Michel Torrenti 5 Hélène Tournier-Cognon 6 Eric Bourdarot 6
1 LECBA - Laboratoire d'Etude du Comportement des Bétons et des Argiles
DPC - Département de Physico-Chimie : DEN/DPC/LECBA
2 LMDC - Laboratoire Matériaux et Durabilité des constructions [Toulouse]
3 OXAND S.A.
4 UCBL - Université Claude Bernard Lyon 1
5 IRSN - Institut de Radioprotection et de Sûreté Nucléaire
6 EDF - EDF
Abstract : Alkali-Silica Reaction (ASR) is a concrete pathology due to chemical reactions involving reactive silica from reactive aggregates and the inner solution of concrete. Main effects are swelling, cracking and the reduction in the mechanical properties of affected concretes. Water is very important for ASR, the more available water the more expansion and degradation. This article presents new laws for the modelling of the influence of water upon ASR. They are based on experimental results and then used to simulate results taken out of scientific literature.
Keywords : modelling numeric simulations concrete durability Alkali-Silica Reaction swelling water
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Stéphane Poyet, Alain Sellier, Bruno Capra, Geneviève Thèvenin-Foray, Jean-Michel Torrenti, et al.. Influence of Water on Alkali-Silica Reaction: Experimental Study and Numerical Simulations. Journal of Materials in Civil Engineering, American Society of Civil Engineers, 2006, 18 (4), ⟨10.1061/(ASCE)0899-1561(2006)18:4(588)⟩. ⟨cea-01272814⟩

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