Ultimate Strength of Reinforced Concrete Circular Members Subjected to Axial Force, Bending Moment, and Shear Force
Publication: Journal of Structural Engineering
Volume 139, Issue 6
Abstract
Over the last few decades, a significant effort has been made to achieve accurate evaluation of the resistance of RC elements subjected to pure shear or combined internal forces including shear. Regarding the latter, continuum models characterized by simplified stress fields have recently been applied for the evaluation of the ultimate capacity interaction diagram of rectangular RC cross sections undergoing combined axial force, bending moment, and shear force. This paper illustrates the natural progress of these studies and describes an analytical tool for the calculation of the ultimate strength of RC columns with a circular cross section. The proposed method is based on the application of the static theorem of limit analysis and takes into account both truss and arch effects. To ascertain the accuracy and reliability of the method, the relations developed are applied with reference to a large number of tests reported in the literature, and a comparison between the theoretical and experimental results is drawn. Finally, the predictions of the proposed method are compared with those of other simplified methods presented in the literature.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 139 • Issue 6 • June 2013
Pages: 915 - 928
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Dec 20, 2011
Accepted: Sep 6, 2012
Published online: Sep 8, 2012
Published in print: Jun 1, 2013
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