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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 69
COMPUTATIONAL CONCRETE STRUCTURES TECHNOLOGY Edited by: Z. Bittnar and B.H.V. Topping
Paper II.1
Nonlinear Analysis of Reinforced Concrete Cylindrical Shells A.E. Assan
Department of Structures, Faculty of Civil Engineering, State University of Campinas, Campinas, SP, Brazil A.E. Assan, "Nonlinear Analysis of Reinforced Concrete Cylindrical Shells", in Z. Bittnar, B.H.V. Topping, (Editors), "Computational Concrete Structures Technology", Civil-Comp Press, Edinburgh, UK, pp 37-43, 2000. doi:10.4203/ccp.69.2.1
Abstract
In this paper, analysis of reinforced concrete cylindrical shells
is performed using a strain-based finite element. The shell
element employed is bidimensional, cylindrical circular and has
four nodes and five nodal degrees of freedom. The
nonlinearities due to concrete cracking and yielding and yielding of the
steel are taken into account. The constitutive models for the
materials employ the smeared cracking concept and a finite
element layered approach. Concrete is modeled by a
strain-induced orthotropic-elastic model under plane state of stress.
A bilinear steel model is used and the stress reversal with
Baushinger effect is included. Examples show the good accuracy provided by this analysis.
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