Performance of Corroded Reinforced Concrete Columns under the Action of Eccentric Loads
Publication: Journal of Materials in Civil Engineering
Volume 28, Issue 1
Abstract
This paper presents an experimental investigation on the performance of RC columns with corroded reinforcing steel bars. The corrosion of steel bars was induced by using a combined electrochemical process and wet-dry cycles. The corroded-RC columns were tested under eccentric-compressive loading, from which the residual strength of the columns was obtained. Relationships between the average cross-sectional area loss of the steel bar, the average and maximum crack widths of concrete cover, and the strength loss of the RC column were examined. Finally, a load-carrying capacity model is proposed to quantitatively estimate the residual compressive strength of the corroded-RC column.
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Acknowledgments
This work was supported by the Natural Science Foundation of China (51408537), the Fundamental Research Funds for the Central Universities (2014FZA4020), and the European Union Research Council via a research grant (FP7-PEOPLE-2011-IRSES-294955).
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Published In
Journal of Materials in Civil Engineering
Volume 28 • Issue 1 • January 2016
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Oct 11, 2014
Accepted: Apr 7, 2015
Published online: Jun 17, 2015
Discussion open until: Nov 17, 2015
Published in print: Jan 1, 2016
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