Dimensionamento de plataformas offshore de concreto utilizando a teoria de cascas de três camadas
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2010-07-16
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Friaca, C. P.P. [UNESP]
Barbosa, M. P. [UNESP]
Bittencourt, T. N.
Machado, M.
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The concrete offshore platforms, which are subjected a several loading combinations and, thus, requires an analysis more generic possible, can be designed using the concepts adopted to shell elements, but the resistance must be verify in particular cross- sections to shear forces. This work about design of shell elements will be make using the three-layer shell theory. The elements are subject to combined loading of membrane and plate, totalizing eight components of internal forces, which are three membrane forces, three moments (two out-of-plane bending moments and one in-plane, or torsion, moment) and two shear forces. The design method adopted, utilizing the iterative process propo-sed by Lourenco & Figueiras (1993) obtained from equa-tions of equilibrium developed by Gupta (1896), will be compared to results of experimentally tested shell elements found in the literature using the program DIANA. © Univcrsitat Politccnica dc Catalunya, Barcelona, Espafia 2010.
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Revista Internacional de Metodos Numericos para Calculo y Diseno en Ingenieria, v. 26, n. 1, p. 15-29, 2010.