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Instability of axially loaded compression members under lateral rigid body excitations / Tetsuya Yabuki in Journal of structural engineering, Vol. 137 N° 10 (Octobre 2011) 

Public ISBD [article]  in Journal of structural engineering > Vol. 137 N° 10 (Octobre 2011) . - pp. 1096-1103 Titre : Instability of axially loaded compression members under lateral rigid body excitations Type de document : texte imprimé Auteurs : Tetsuya Yabuki, Auteur ; Yasunori Arizumi, Auteur ; Janice J. Chambers, Auteur Année de publication : 2012 Article en page(s) : pp. 1096-1103 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Dynamic  stability  Nonlinear  dynamic  response  Compressive  capacity  Steel  columns  Steel  braces Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The global compressive capacity of steel members subject to lateral rigid body dynamic excitation is examined numerically with a dynamic nonlinear finite-element analytical algorithm that uses the implicit Newmark-β integration procedure combined with the Newton-Raphson iterative scheme. The algorithm was validated with experimental results. Parametric studies on 180 box, tube, and W shapes are presented. The members included initial geometric imperfections along their lengths. On the basis of the parametric study, a simplified formula for the buckling capacity of a steel member under lateral rigid body excitations is presented that may be considered for the use in the development of a design formula. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i10/p1096_s1?isAuthorized=no [article] Instability of axially loaded compression members under lateral rigid body excitations [texte imprimé] / Tetsuya Yabuki, Auteur ; Yasunori Arizumi, Auteur ; Janice J. Chambers, Auteur . - 2012 . - pp. 1096-1103. Génie Civil Langues : Anglais (eng) in Journal of structural engineering > Vol. 137 N° 10 (Octobre 2011) . - pp. 1096-1103 Mots-clés : Dynamic  stability  Nonlinear  dynamic  response  Compressive  capacity  Steel  columns  Steel  braces Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : The global compressive capacity of steel members subject to lateral rigid body dynamic excitation is examined numerically with a dynamic nonlinear finite-element analytical algorithm that uses the implicit Newmark-β integration procedure combined with the Newton-Raphson iterative scheme. The algorithm was validated with experimental results. Parametric studies on 180 box, tube, and W shapes are presented. The members included initial geometric imperfections along their lengths. On the basis of the parametric study, a simplified formula for the buckling capacity of a steel member under lateral rigid body excitations is presented that may be considered for the use in the development of a design formula. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i10/p1096_s1?isAuthorized=no