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Simplified models for the engineering of concrete formulations in a marine environment through a probabilistic method / Fabrice Deby in European journal of environmental and civil engineering, Vol. 16 N° 3-4 (Mars/Avril 2012) 

Public ISBD [article]  in European journal of environmental and civil engineering > Vol. 16 N° 3-4 (Mars/Avril 2012) . - pp. 362-374 Titre : Simplified models for the engineering of concrete formulations in a marine environment through a probabilistic method Type de document : texte imprimé Auteurs : Fabrice Deby, Auteur ; Myriam Carcasses, Auteur ; Alain Sellier, Auteur Année de publication : 2012 Article en page(s) : pp. 362-374 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Concrete  Corrosion  Chloride  diffusion  Performance-based  approach  Reliability  Bayesian  network Résumé : This article aims to expose a probabilistic methodology for the design of concrete formulations in a marine environment. As defined in the performance-based approach, durability indicators, considered as random variables, will be defined by quantifying their variability. Based on elementary models for engineers, a classical probabilistic approach is then proposed: the probability to depassivate the reinforced bars, through a reliability index, is estimated in order to insure the durability of concrete. Moreover, a Bayesian network is used to update the distributions of random variables. DEWEY : 624 ISSN : 1964-8189 En ligne : http://www.tandfonline.com/doi/abs/10.1080/19648189.2012.667716 [article] Simplified models for the engineering of concrete formulations in a marine environment through a probabilistic method [texte imprimé] / Fabrice Deby, Auteur ; Myriam Carcasses, Auteur ; Alain Sellier, Auteur . - 2012 . - pp. 362-374. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 16 N° 3-4 (Mars/Avril 2012) . - pp. 362-374 Mots-clés : Concrete  Corrosion  Chloride  diffusion  Performance-based  approach  Reliability  Bayesian  network Résumé : This article aims to expose a probabilistic methodology for the design of concrete formulations in a marine environment. As defined in the performance-based approach, durability indicators, considered as random variables, will be defined by quantifying their variability. Based on elementary models for engineers, a classical probabilistic approach is then proposed: the probability to depassivate the reinforced bars, through a reliability index, is estimated in order to insure the durability of concrete. Moreover, a Bayesian network is used to update the distributions of random variables. DEWEY : 624 ISSN : 1964-8189 En ligne : http://www.tandfonline.com/doi/abs/10.1080/19648189.2012.667716