Anisotropic Damage Model for Concrete
Publication: Journal of Engineering Mechanics
Volume 137, Issue 9
Abstract
In this paper, a damage constitutive model accounting for induced anisotropy and bimodular elastic response is applied to two-dimensional analysis of reinforced concrete structures. Initially, a constitutive model for the concrete is presented, where the material is assumed as an initial elastic isotropic medium presenting anisotropy and bimodular response (distinct elastic responses, whether tension or compression stress states, prevail) induced by damage. Two damage tensors govern the stiffness under prevailing tension or compression stress states. Criteria are then proposed to characterize the dominant states. Finally, the proposed model is used in plane analysis of reinforced concrete beams to show its potential for use and to discuss its limitations.
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Acknowledgments
The authors wish to thank CNPq (National Council for Scientific and Technological Development) for the financial support.
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Published In
Journal of Engineering Mechanics
Volume 137 • Issue 9 • September 2011
Pages: 610 - 624
Copyright
© 2011 American Society of Civil Engineers.
History
Received: Dec 30, 2009
Accepted: Mar 9, 2011
Published online: Mar 10, 2011
Published in print: Sep 1, 2011
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