Constitutive model for cyclic response of structural steels with yield plateau / Alper Ucak in Journal of structural engineering, Vol. 137 N° 2 (Fevrier 2011)  

Public ISBD [article]  inJournal of structural engineering > Vol. 137 N° 2 (Fevrier 2011) . - pp. 195-206 Titre : Constitutive model for cyclic response of structural steels with yield plateau Type de document : texte imprimé Auteurs : Alper Ucak, Auteur ; Panos Tsopelas, Auteur Année de publication : 2011 Article en page(s) : pp. 195-206 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Cyclic plasticity Structural steel Yield plateau Nonlinear kinematic hardening Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A rate-independent cyclic plasticity model for structural steels with a yield plateau is proposed. The model couples nonlinear kinematic hardening with a memory surface in the plastic strain space, to account for the progressive cyclic hardening/softening effects and a pseudomemory surface in the deviatoric stress space to correctly describe the plateau response. A simple identification procedure to calibrate the material dependent parameters is outlined and the accuracy of the proposed model is verified against experimental data available in the literature for proportional and nonproportional loading paths. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i2/p195_s1?isAuthorized=no [article] Constitutive model for cyclic response of structural steels with yield plateau [texte imprimé] / Alper Ucak, Auteur ; Panos Tsopelas, Auteur . - 2011 . - pp. 195-206. Génie Civil Langues : Anglais (eng) in Journal of structural engineering > Vol. 137 N° 2 (Fevrier 2011) . - pp. 195-206 Mots-clés : Cyclic plasticity Structural steel Yield plateau Nonlinear kinematic hardening Index. décimale : 624 Constructions du génie civil et du bâtiment. Infrastructures. Ouvrages en terres. Fondations. Tunnels. Ponts et charpentes Résumé : A rate-independent cyclic plasticity model for structural steels with a yield plateau is proposed. The model couples nonlinear kinematic hardening with a memory surface in the plastic strain space, to account for the progressive cyclic hardening/softening effects and a pseudomemory surface in the deviatoric stress space to correctly describe the plateau response. A simple identification procedure to calibrate the material dependent parameters is outlined and the accuracy of the proposed model is verified against experimental data available in the literature for proportional and nonproportional loading paths. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v137/i2/p195_s1?isAuthorized=no

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