Detection of non emergent defects in asphalt pavement samples by long pulse and pulse phase infrared thermography / Jean Dumoulin in European journal of environmental and civil engineering, Vol. 15 N° 4 (Avril 2011)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 15 N° 4 (Avril 2011) . - pp. 557-574 Titre : Detection of non emergent defects in asphalt pavement samples by long pulse and pulse phase infrared thermography Type de document : texte imprimé Auteurs : Jean Dumoulin, Auteur ; Laurent Ibos, Auteur ; Mario Marchetti, Auteur Année de publication : 2011 Article en page(s) : pp. 557-574 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Active infrared thermography Heat transfer Numerical simulations Pavement materials Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : In this paper, Pulse Thermography analysis was applied to detect non emergent defects in asphalt concrete used for road pavements. Experimental and numerical experimentations were run on this specific heterogeneous material. Only experimental data acquired with an un-cooled microbolometer camera (less sensitive than a cooled one) were used. Data were processed using a semi-infinite heat transfer model in order to determine the depth of the defects. At last, a discussion on the influence of performances of the IR camera employed versus potential detection of subsurface defects is given in correlation with the investigated domain of pavement materials. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16045 [article] Detection of non emergent defects in asphalt pavement samples by long pulse and pulse phase infrared thermography [texte imprimé] / Jean Dumoulin, Auteur ; Laurent Ibos, Auteur ; Mario Marchetti, Auteur . - 2011 . - pp. 557-574. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 4 (Avril 2011) . - pp. 557-574 Mots-clés : Active infrared thermography Heat transfer Numerical simulations Pavement materials Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : In this paper, Pulse Thermography analysis was applied to detect non emergent defects in asphalt concrete used for road pavements. Experimental and numerical experimentations were run on this specific heterogeneous material. Only experimental data acquired with an un-cooled microbolometer camera (less sensitive than a cooled one) were used. Data were processed using a semi-infinite heat transfer model in order to determine the depth of the defects. At last, a discussion on the influence of performances of the IR camera employed versus potential detection of subsurface defects is given in correlation with the investigated domain of pavement materials. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16045

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