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TitleFibrous model for the simulation of the cyclic behaviour of 3D reinforced concrete frames
Author(s)Varma, R. K.
Barros, Joaquim A. O.
Sena-Cruz, José
KeywordsCyclic constitutive laws
Fibrous model
Timoshenko beam
Issue dateFeb-2007
PublisherUniversidade do Minho. Departamento de Engenharia Civil (DEC)
Abstract(s)Non-linear finite element analysis has attracted a lot of attention in last few decades, as real life problems dealing with analysis of concrete beams and columns are generally non-linear in nature. This project deals with non-linear analysis of beam and columns, using Timoshenko beam theory. The Timoshenko beam theory is applied to every element, but before applying the theory the element is divided into fibers. The fibers as a whole will govern the behavior of element. The section of each element is divided in “finite elements”. Each finite element is a fiber along the length of element. Each fiber element is independent in terms of the material constitutive laws, which govern the behavior, while at the same time they are associated to each other by the relation of displacements. The material laws of each fiber deals with the stress-strain relation The numerical results are compared with the experimental results, which show a reasonable correlation, and in turn demonstrate the capability of the proposed model to depict the cyclic behavior of concrete elements.
DescriptionRelatório 07-DEC/E-04
AccessOpen access
Appears in Collections:ISISE - Relatórios Técnicos/Científicos

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