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Quality of NDT measurements and accuracy of concrete physical properties quantitative assessment / Denys Breysse in European journal of environmental and civil engineering, Vol. 15 N° 4 (Avril 2011) 

Public ISBD [article]  in European journal of environmental and civil engineering > Vol. 15 N° 4 (Avril 2011) . - pp. 619-632 Titre : Quality of NDT measurements and accuracy of concrete physical properties quantitative assessment Type de document : texte imprimé Auteurs : Denys Breysse, Auteur ; Mathilde Larget, Auteur ; Zoubir Mehdi Sbartai, Auteur Année de publication : 2011 Article en page(s) : pp. 619-632 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Concrete  Condition  assessment  Diagnostics  Inverse  problem  Material  variability  Non  destructive  evaluation Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Assessing concrete condition is of major interest either for looking at weak or more damaged areas, or for reliability computations. NDT measurements provide a valuable way of offering a quick overview on the material condition. One of their main weaknesses is that their results cannot be directly linked with material properties. This paper presents how a collaborative research programme has been developed such as: (a) to select the best appropriate measurement techniques, (b) identify calibration laws enabling the quantitative material condition assessment, (c) identify possible valuable combinations of techniques. This strategy is applied to laboratory specimen data as well as to on site data. A focus is also placed on the reliability of the material condition assessment. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16049 [article] Quality of NDT measurements and accuracy of concrete physical properties quantitative assessment [texte imprimé] / Denys Breysse, Auteur ; Mathilde Larget, Auteur ; Zoubir Mehdi Sbartai, Auteur . - 2011 . - pp. 619-632. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 4 (Avril 2011) . - pp. 619-632 Mots-clés : Concrete  Condition  assessment  Diagnostics  Inverse  problem  Material  variability  Non  destructive  evaluation Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : Assessing concrete condition is of major interest either for looking at weak or more damaged areas, or for reliability computations. NDT measurements provide a valuable way of offering a quick overview on the material condition. One of their main weaknesses is that their results cannot be directly linked with material properties. This paper presents how a collaborative research programme has been developed such as: (a) to select the best appropriate measurement techniques, (b) identify calibration laws enabling the quantitative material condition assessment, (c) identify possible valuable combinations of techniques. This strategy is applied to laboratory specimen data as well as to on site data. A focus is also placed on the reliability of the material condition assessment. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16049