Modeling of Cyclic Shear-Flexure Interaction in Reinforced Concrete Structural Walls. I: Theory
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VIEW THE ORIGINAL ARTICLEPublication: Journal of Structural Engineering
Volume 141, Issue 5
Abstract
Existing approaches used to model the lateral load versus deformation responses of reinforced concrete walls typically assume uncoupled axial/flexural and shear responses. A novel analytical model for RC walls that captures interaction between these responses for reversed-cyclic loading conditions is described. The proposed modeling approach incorporates RC panel behavior into a two-dimensional fiber-based macroscopic model. The coupling of axial and shear responses is achieved at the macrofiber (panel) level, which further allows coupling of flexural and shear responses at the model element level. The behavior of RC panel elements under generalized, in-plane, reversed-cyclic loading conditions is described with a constitutive fixed-strut-angle panel model formulation. The sensitivity of model results to various modeling parameters is investigated and results of the sensitivity studies are presented, whereas detailed information on calibration and validation of the proposed modeling approach is presented in a companion paper.
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Acknowledgments
The work presented in this paper was supported by funds from the National Science Foundation under Grants CMMI-0825347 and CMMI-1208192, as well as the funds provided by the National Science Foundation under Grant No. 0963183, which is an award funded under the American Recovery and Reinvestment Act of 2009 (ARRA). Any opinions, findings, and conclusions expressed in this paper are those of the authors and do not necessarily reflect those of the supporting organizations acknowledged herein.
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Published In
Journal of Structural Engineering
Volume 141 • Issue 5 • May 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: May 31, 2013
Accepted: Feb 21, 2014
Published online: Jul 18, 2014
Discussion open until: Dec 18, 2014
Published in print: May 1, 2015
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