Multiple axle loadings / Farah Homsi in European journal of environmental and civil engineering, Vol. 15 N° 5 (Mai 2011)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 15 N° 5 (Mai 2011) . - pp. 743-758 Titre : Multiple axle loadings : Shape parameters and their effect on the fatigue life of asphalt mixtures Type de document : texte imprimé Auteurs : Farah Homsi, Auteur ; Bodin, Didier, Auteur ; Sylvie Yotte, Auteur Année de publication : 2011 Article en page(s) : pp. 743-758 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Asphalt pavements Fatigue Multiple axle loadings Multivariate analysis Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The effect of multiple axle loads on the fatigue life of asphalt pavements is a key issue dealing with the effect of heavy trucks on pavement distresses. Equivalent Single Axle loads are currently calculated with simplified hypotheses. This is an important stake for the ecological transportation: increasing the load per truck results in decreasing the emission of toxic gases per ton of transported goods. To study the effect of multiple axles, real displacement signals in the pavement are needed. The LCPC's accelerated testing facility (Nantes, France) enables the measurement of real loading signals in an experimental pavement. Parameters describing the pavement strain curves were computed for this database. A factorial analysis gives four independent parameters that define an experimental plan of a campaign of fatigue tests whose aim is to identify how the fatigue life is affected by the shape parameters. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16145 [article] Multiple axle loadings : Shape parameters and their effect on the fatigue life of asphalt mixtures [texte imprimé] / Farah Homsi, Auteur ; Bodin, Didier, Auteur ; Sylvie Yotte, Auteur . - 2011 . - pp. 743-758. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 5 (Mai 2011) . - pp. 743-758 Mots-clés : Asphalt pavements Fatigue Multiple axle loadings Multivariate analysis Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The effect of multiple axle loads on the fatigue life of asphalt pavements is a key issue dealing with the effect of heavy trucks on pavement distresses. Equivalent Single Axle loads are currently calculated with simplified hypotheses. This is an important stake for the ecological transportation: increasing the load per truck results in decreasing the emission of toxic gases per ton of transported goods. To study the effect of multiple axles, real displacement signals in the pavement are needed. The LCPC's accelerated testing facility (Nantes, France) enables the measurement of real loading signals in an experimental pavement. Parameters describing the pavement strain curves were computed for this database. A factorial analysis gives four independent parameters that define an experimental plan of a campaign of fatigue tests whose aim is to identify how the fatigue life is affected by the shape parameters. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16145

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