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THREEDIMENSIONAL NONLINEAR ANALYSIS OF REINFORCED CONCRETE BEAMS

THREEDIMENSIONAL NONLINEAR ANALYSIS OF REINFORCED CONCRETE BEAMS Simplified methods are often employed for the analysis of reinforced concrete beams RC beams. A threedimensional problem 3D is often transformed into a twodimensional problem 2D with some assumptions which are usually established in static. The essential reason for this simplification lies in the fact that the 3D finite element analysis is so expensive that it is impossible to study directly the nonlinear behaviour of RC beams in many cases. Our purpose is to present a specific method which allows the direct 3D analysis of RC beams with a suitable numerical cost. First, the 3D linear heterogeneous beam theory is briefly recalled as well as the continuum damage model used for concrete. Second, the nonlinear behaviour of concrete is introduced in the 3D beam theory. Several numerical examples illustrate the effectiveness of the method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Engineering Computations Emerald Publishing

THREEDIMENSIONAL NONLINEAR ANALYSIS OF REINFORCED CONCRETE BEAMS

Engineering Computations , Volume 8 (1): 23 – Jan 1, 1991

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0264-4401
DOI
10.1108/eb023825
Publisher site
See Article on Publisher Site

Abstract

Simplified methods are often employed for the analysis of reinforced concrete beams RC beams. A threedimensional problem 3D is often transformed into a twodimensional problem 2D with some assumptions which are usually established in static. The essential reason for this simplification lies in the fact that the 3D finite element analysis is so expensive that it is impossible to study directly the nonlinear behaviour of RC beams in many cases. Our purpose is to present a specific method which allows the direct 3D analysis of RC beams with a suitable numerical cost. First, the 3D linear heterogeneous beam theory is briefly recalled as well as the continuum damage model used for concrete. Second, the nonlinear behaviour of concrete is introduced in the 3D beam theory. Several numerical examples illustrate the effectiveness of the method.

Journal

Engineering ComputationsEmerald Publishing

Published: Jan 1, 1991

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