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Cyclic behaviour of a column to foundation joint for concrete precast structures / Giovanni Metelli in European journal of environmental and civil engineering, Vol. 15 N° 9 (Novembre 2011) 

Public ISBD [article]  in European journal of environmental and civil engineering > Vol. 15 N° 9 (Novembre 2011) . - pp. 1297-1318 Titre : Cyclic behaviour of a column to foundation joint for concrete precast structures Titre original : Comportement cyclique du raccordement entre une colonne et les fondations pour les structures en béton préfabriqué Type de document : texte imprimé Auteurs : Giovanni Metelli, Auteur ; Consuelo Beschi, Auteur ; paolo Riva, Auteur Année de publication : 2012 Article en page(s) : pp. 1297-1318 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Precast  concrete  structures  Column-foundation  joint  Seismic  behaviour Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : This paper aims at presenting the results of two experimental tests concerning the cyclic behaviour of a dissipative column-to-foundation connection for precast concrete elements. The tested joints are characterized by the use of high strength threaded steel bars partially un-bonded in grouted sleeves and by steel support elements which allow an easy assemblage and centering of the column. The two specimens differ in bar number and bar diameter of the un-bonded high-strength bars adopted to restore the flexural continuity. The experimental results are compared to the response of a pocket foundation joint and they show a good performance of the joint in term of resistance, ductility, cycle stability and energy dissipation. The specimen damage is localized at the column base thus allowing a simple retrofitting after a seismic event. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16937 [article] Cyclic behaviour of a column to foundation joint for concrete precast structures = Comportement cyclique du raccordement entre une colonne et les fondations pour les structures en béton préfabriqué [texte imprimé] / Giovanni Metelli, Auteur ; Consuelo Beschi, Auteur ; paolo Riva, Auteur . - 2012 . - pp. 1297-1318. Génie Civil Langues : Anglais (eng) in European journal of environmental and civil engineering > Vol. 15 N° 9 (Novembre 2011) . - pp. 1297-1318 Mots-clés : Precast  concrete  structures  Column-foundation  joint  Seismic  behaviour Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : This paper aims at presenting the results of two experimental tests concerning the cyclic behaviour of a dissipative column-to-foundation connection for precast concrete elements. The tested joints are characterized by the use of high strength threaded steel bars partially un-bonded in grouted sleeves and by steel support elements which allow an easy assemblage and centering of the column. The two specimens differ in bar number and bar diameter of the un-bonded high-strength bars adopted to restore the flexural continuity. The experimental results are compared to the response of a pocket foundation joint and they show a good performance of the joint in term of resistance, ductility, cycle stability and energy dissipation. The specimen damage is localized at the column base thus allowing a simple retrofitting after a seismic event. DEWEY : 624 ISSN : 1964-8189 En ligne : http://ejece.revuesonline.com/article.jsp?articleId=16937