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Original Articles

Combiner et fusionner les mesures de CND pour mieux estimer les propriétés du béton

, , , &
Pages 501-515 | Published online: 04 Oct 2011
 

ABSTRACT

Non destructive techniques provide many quantitative information about concrete condition (observables), which must be processed such as to give way to the indicators which are looked for. An experimental database is defined and fed with a series of NDT measurements obtained through various techniques. The methodology requires: the selection of best observables, the expression of relationships between indicators and observables and the combination of information provided by various sources. Data fusion, which accounts for uncertainties arising at various levels, offers a promising way.

RÉSUMÉ

Les techniques de contrôle non destructif (CND) donnent, via des observables, accès à des informations quantitatives sur l'état du béton, qu'il convient de traiter pour déduire une estimation quantitative des indicateurs recherchés. Une base de données expérimentales est établie et exploitée pour mieux valoriser les résultats du CND. La démarche passe par la sélection des observables les plus appropriés, l'expression des relations entre indicateurs et observables et la combinaison des sources d'information. La fusion de données, qui intègre les aspects relatifs aux incertitudes intervenant à différents niveaux, ouvre des pistes prometteuses.

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