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Effets structuraux de l'alcali-réaction

Multon, Stéphane / Seignol, Jean-François / Bourdarot, Eric / Jeanpierre, Alain / Toutlemonde, François

Assessment of ASR-damaged structures is a major concern for bridge and dam owners in France. Thus, validated models are needed in order to predict the behavior and residual bearing capacity of such works. With this aim, a large experimental program was carried out at the LCPC with EDF as a partner. Measurements were taken from the behavior of structures and specimens placed in various moisture and mechanical environments in order to realize a complete data bank. The mechanical analysis of the measurements showed the significance of ASR-induced strains anisotropy due to stresses, and moisture effect on ASR-induced expansion amplitude, on predicted behavior. They appear to be the main parameters to be accounted for in order to obtain good predictive models.

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Effets structuraux de l'alcali-réaction

Multon, Stéphane / Seignol, Jean-François / Bourdarot, Eric / Jeanpierre, Alain / Toutlemonde, François

Assessment of ASR-damaged structures is a major concern for bridge and dam owners in France. Thus, validated models are needed in order to predict the behavior and residual bearing capacity of such works. With this aim, a large experimental program was carried out at the LCPC with EDF as a partner. Measurements were taken from the behavior of structures and specimens placed in various moisture and mechanical environments in order to realize a complete data bank. The mechanical analysis of the measurements showed the significance of ASR-induced strains anisotropy due to stresses, and moisture effect on ASR-induced expansion amplitude, on predicted behavior. They appear to be the main parameters to be accounted for in order to obtain good predictive models.

Effets structuraux de l'alcali-réaction

Multon, Stéphane / Seignol, Jean-François / Bourdarot, Eric / Jeanpierre, Alain / Toutlemonde, François

Assessment of ASR-damaged structures is a major concern for bridge and dam owners in France. Thus, validated models are needed in order to predict the behavior and residual bearing capacity of such works. With this aim, a large experimental program was carried out at the LCPC with EDF as a partner. Measurements were taken from the behavior of structures and specimens placed in various moisture and mechanical environments in order to realize a complete data bank. The mechanical analysis of the measurements showed the significance of ASR-induced strains anisotropy due to stresses, and moisture effect on ASR-induced expansion amplitude, on predicted behavior. They appear to be the main parameters to be accounted for in order to obtain good predictive models.

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Title:

Effets structuraux de l'alcali-réaction

Contributors:

Multon, Stéphane (author) / Seignol, Jean-François (author) / Bourdarot, Eric (author) / Jeanpierre, Alain (author) / Toutlemonde, François (author)

Published in:

Revue Européenne de Génie Civil ; 9 ; 1219-1247

Publication date:

2005-11-01

Size:

29 pages

ISSN:

DOI:

https://doi.org/10.1080/17747120.2005.9692808

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

Unknown

Keywords:

ASR , beams , expansion , moisture movements , reinforced concrete , alcali-réaction , béton armé , gonflements , mouvements hydriques , poutres

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