Predicting concrete behaviour from quasi-static loading to hypervelocity impact / Christophe Pontiroli in European journal of environmental and civil engineering, Vol. 14 N° 6-7 (Juin 2010)  

Public ISBD [article]  inEuropean journal of environmental and civil engineering > Vol. 14 N° 6-7 (Juin 2010) . - pp. 703-727 Titre : Predicting concrete behaviour from quasi-static loading to hypervelocity impact : An overview of the PRM model Type de document : texte imprimé Auteurs : Christophe Pontiroli, Auteur ; Alain Rouquand, Auteur ; Jacky Mazars, Auteur Année de publication : 2011 Article en page(s) : pp. 703-727 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Concrete model Damage modelling Plasticity Structural dynamics Impact loadings Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : This paper presents the main results obtained during a long and intensive research period on the modelling of the main physical mechanisms related to damage and fracture of concrete. The starting point has been the Mazars one scalar damage model (Mazars, 1984, 1986). On this base Pontiroli & Rouquand have proposed in 1995 a two scalar damage model (PRM model) which takes into account the crack closure mechanism, irreversible strains, strain rate effects and internal friction stresses. This model has been recently completed in order to take into account pore collapse phenomena, plastic shear deformations and the water content effect on the behaviour of concrete for confined loading. All these mechanisms allow the simulation of a large range of loadings from static to high velocity impacts. After a presentation of the most important features of the "PRM coupled model" several applications are given related to quasi static loading, blast or impact effects on concrete structures. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/resnum.jsp [article] Predicting concrete behaviour from quasi-static loading to hypervelocity impact : An overview of the PRM model [texte imprimé] / Christophe Pontiroli, Auteur ; Alain Rouquand, Auteur ; Jacky Mazars, Auteur . - 2011 . - pp. 703-727. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 14 N° 6-7 (Juin 2010) . - pp. 703-727 Mots-clés : Concrete model Damage modelling Plasticity Structural dynamics Impact loadings Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : This paper presents the main results obtained during a long and intensive research period on the modelling of the main physical mechanisms related to damage and fracture of concrete. The starting point has been the Mazars one scalar damage model (Mazars, 1984, 1986). On this base Pontiroli & Rouquand have proposed in 1995 a two scalar damage model (PRM model) which takes into account the crack closure mechanism, irreversible strains, strain rate effects and internal friction stresses. This model has been recently completed in order to take into account pore collapse phenomena, plastic shear deformations and the water content effect on the behaviour of concrete for confined loading. All these mechanisms allow the simulation of a large range of loadings from static to high velocity impacts. After a presentation of the most important features of the "PRM coupled model" several applications are given related to quasi static loading, blast or impact effects on concrete structures. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/resnum.jsp

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