Modélisation chimique de la réaction alcali-silice: prise en compte de l'influence de la distribution granulaire réactive: Fid-Bau Portal

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Modélisation chimique de la réaction alcali-silice: prise en compte de l'influence de la distribution granulaire réactive

Poyet, Stéphane / Sellier, Alain / Thevenin-Foray, Geneviève / Capra, Bruno / Torrenti, Jean-Michel / Tournier-Cognon, Hélène / Bourdarot, Eric

Nowadays, knowledge about ASR mechanisms is good enough to prevent new cases. Nevertheless a numerical tool seems necessary for all affected structures. This article deals with a new modelling based on the description of alkalis and calcium transport within concrete. It takes into account the effect of the size and distribution of reactive aggregates. Results from an experimental campaign and corresponding numerical simulations are presented and compared.

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Modélisation chimique de la réaction alcali-silice: prise en compte de l'influence de la distribution granulaire réactive

Poyet, Stéphane / Sellier, Alain / Thevenin-Foray, Geneviève / Capra, Bruno / Torrenti, Jean-Michel / Tournier-Cognon, Hélène / Bourdarot, Eric

Nowadays, knowledge about ASR mechanisms is good enough to prevent new cases. Nevertheless a numerical tool seems necessary for all affected structures. This article deals with a new modelling based on the description of alkalis and calcium transport within concrete. It takes into account the effect of the size and distribution of reactive aggregates. Results from an experimental campaign and corresponding numerical simulations are presented and compared.

Modélisation chimique de la réaction alcali-silice: prise en compte de l'influence de la distribution granulaire réactive

Poyet, Stéphane / Sellier, Alain / Thevenin-Foray, Geneviève / Capra, Bruno / Torrenti, Jean-Michel / Tournier-Cognon, Hélène / Bourdarot, Eric

Nowadays, knowledge about ASR mechanisms is good enough to prevent new cases. Nevertheless a numerical tool seems necessary for all affected structures. This article deals with a new modelling based on the description of alkalis and calcium transport within concrete. It takes into account the effect of the size and distribution of reactive aggregates. Results from an experimental campaign and corresponding numerical simulations are presented and compared.

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Title:

Modélisation chimique de la réaction alcali-silice: prise en compte de l'influence de la distribution granulaire réactive

Contributors:

Poyet, Stéphane (author) / Sellier, Alain (author) / Thevenin-Foray, Geneviève (author) / Capra, Bruno (author) / Torrenti, Jean-Michel (author) / Tournier-Cognon, Hélène (author) / Bourdarot, Eric (author)

Published in:

Revue Française de Génie Civil ; 8 ; 905-929

Publication date:

2004-11-01

Size:

25 pages

ISSN:

DOI:

https://doi.org/10.1080/12795119.2004.9692634

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

alkali-silica reaction , modelling , prediction , expansion , reaction mechanisms , transport , alkalis , calcium , réaction alcali-silice , modélisation , prédiction , mécanismes réactionnels , alcalins

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