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Experimental and numerical studies on the behaviour of concrete sandwich panels / Giovanni Metelli in European journal of environmental and civil engineering, Vol. 15 N° 10 (Octobre 2011) 

Public ISBD [article]  in European journal of environmental and civil engineering > Vol. 15 N° 10 (Octobre 2011) . - pp. 1465-1481 Titre : Experimental and numerical studies on the behaviour of concrete sandwich panels Titre original : Étude expérimentale et numérique du comportement de panneaux sandwich en béton Type de document : texte imprimé Auteurs : Giovanni Metelli, Auteur ; Nicola Bettini, Auteur ; Giovanni Plizzari, Auteur Année de publication : 2012 Article en page(s) : pp. 1465-1481 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Precast  concrete  structures  Façade  panel  Thermal  insulation Résumé : Precast concrete panels are often used for the façades of modern warehouses and commercial malls. During the last two decades, they have generally been made of two concrete layers with interposed thermal insulating polystyrene boards. Traditionally, perimeter concrete ribs allow the weight of the external concrete layer to be transferred to the internal thus causing unavoidable thermal bridges which reduce the energy performance of the building. In the sandwich cladding panel, the two concrete layers can be linked by lowconductivity shear connectors crossing through the insulation layer, thus ensuring the overall thermal efficiency of the building. In this paper, the results of a wide numerical study on the behaviour of concrete sandwich panels realized with glass fibre-composite pultruded connectors are presented, focusing on the stresses and deformations caused by dead load, thermal actions and shrinkage. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=17025 [article] Experimental and numerical studies on the behaviour of concrete sandwich panels = Étude expérimentale et numérique du comportement de panneaux sandwich en béton [texte imprimé] / Giovanni Metelli, Auteur ; Nicola Bettini, Auteur ; Giovanni Plizzari, Auteur . - 2012 . - pp. 1465-1481. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 10 (Octobre 2011) . - pp. 1465-1481 Mots-clés : Precast  concrete  structures  Façade  panel  Thermal  insulation Résumé : Precast concrete panels are often used for the façades of modern warehouses and commercial malls. During the last two decades, they have generally been made of two concrete layers with interposed thermal insulating polystyrene boards. Traditionally, perimeter concrete ribs allow the weight of the external concrete layer to be transferred to the internal thus causing unavoidable thermal bridges which reduce the energy performance of the building. In the sandwich cladding panel, the two concrete layers can be linked by lowconductivity shear connectors crossing through the insulation layer, thus ensuring the overall thermal efficiency of the building. In this paper, the results of a wide numerical study on the behaviour of concrete sandwich panels realized with glass fibre-composite pultruded connectors are presented, focusing on the stresses and deformations caused by dead load, thermal actions and shrinkage. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=17025