Analytical studies of concrete-filled circular steel tubes under axial compression / K. K. Choi in Journal of structural engineering, Vol. 136 N° 5 (Mai 2010)  

Public ISBD [article]  inJournal of structural engineering > Vol. 136 N° 5 (Mai 2010) . - pp. 565-573 Titre : Analytical studies of concrete-filled circular steel tubes under axial compression Type de document : texte imprimé Auteurs : K. K. Choi, Auteur ; Xiao, Y., Auteur Année de publication : 2011 Article en page(s) : pp. 565-573 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : CFT Concrete-filled tube Composite Confinement Analysis Uniaxial compression Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : This paper describes a numerical program to analyze the behavior of the concrete-filled steel tubular (CFT) stub columns, and predict various modes of lateral interactions between steel tube and filled-in-concrete under axial compression. The behavior of the CFT columns is controlled by both the strength and the confinement effect of steel tube and filled-in-concrete in the columns. Various lateral interactions between steel tube and filled-in-concrete in CFT columns are classified into eight different cases by the contact between steel tube and filled-in concrete at different stress stages. The paper examines the analytical models with various experimental results in literature. The comparisons showed that the numerical program is reasonable to capture mechanical behavior of concrete-filled circular steel tubes. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i5/p565_s1?isAuthorized=no [article] Analytical studies of concrete-filled circular steel tubes under axial compression [texte imprimé] / K. K. Choi, Auteur ; Xiao, Y., Auteur . - 2011 . - pp. 565-573. Génie Civil Langues : Anglais (eng) in Journal of structural engineering > Vol. 136 N° 5 (Mai 2010) . - pp. 565-573 Mots-clés : CFT Concrete-filled tube Composite Confinement Analysis Uniaxial compression Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : This paper describes a numerical program to analyze the behavior of the concrete-filled steel tubular (CFT) stub columns, and predict various modes of lateral interactions between steel tube and filled-in-concrete under axial compression. The behavior of the CFT columns is controlled by both the strength and the confinement effect of steel tube and filled-in-concrete in the columns. Various lateral interactions between steel tube and filled-in-concrete in CFT columns are classified into eight different cases by the contact between steel tube and filled-in concrete at different stress stages. The paper examines the analytical models with various experimental results in literature. The comparisons showed that the numerical program is reasonable to capture mechanical behavior of concrete-filled circular steel tubes. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v136/i5/p565_s1?isAuthorized=no

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