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Título:	On the influence of initial geometric imperfections and second order effects on the structural behavior of austenitic stainless steel frames
Autor/a:	Shen, Yanfei; Chacón Flores, Rolando Antonio; Arrayago Luquin, Itsaso; Real Saladrigas, Esther
Otros autores:	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental; Universitat Politècnica de Catalunya. ATEM - Anàlisi i Tecnologia d'Estructures i Materials
Abstract:	This paper presents a numerical and theoretical study from an ongoing research program focused on the structural behavior of austenitic stainless steel frames. Four different rectangular hollow sections (RHS) subjected to combined symmetrically concentrated vertical and lateral loads were studied. Taking into account material non-linearity and geometrical non-linearity, the influence of global sway imperfection (d) of the frame and local bow imperfection (d) of the member on the structural behavior of frames was analyzed. Based on global plastic analysis, second order effects under different loading cases of altering the loading position of vertical loads were studied. The finite element (FE) analysis software Abaqus was employed to simulate the in-plane structural behavior of all frames.
Materia(s):	-Àrees temàtiques de la UPC::Enginyeria civil::Materials i estructures::Materials i estructures metàl·liques -Austenitic stainless steel -Initial geometric imperfection -Second order effects -Austenitic stainless steel -Frame -Acer inoxidable austenític
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Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
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