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Type: Journal article
Title: Deterioration of bond-slip due to corrosion of steel reinforcement in reinforced concrete
Author: Feng, Q.
Visintin, P.
Oehlers, D.
Citation: Magazine of Concrete Research, 2016; 68(15):768-781
Publisher: ICE Publishing
Issue Date: 2016
ISSN: 0024-9831
Statement of
Qian Feng, Phillip Visintin, Deric J. Oehlers
Abstract: Corrosion of steel reinforcement in reinforced concrete members is a common occurrence and a major concern, as it can significantly affect both the serviceability and ultimate limit states. In order to simulate the effects of corrosion through mechanics, it is necessary to quantify the effects of corrosion on the material bond-slip properties, which is the subject of this paper. A large database of 377 data points was used to quantify the effect of corrosion on bond strength and bond–slip in a form that can be used in numerical analyses. This research concentrates on the changes in bond strength and bond–slip due to corrosion, and hence the changes relative to the uncorroded properties because these are already well quantified. Furthermore, it does not consider the clamping action of stirrups encasing the reinforcement. As an illustration of the application of these bond properties of corroded steel reinforcement, they are used in a mechanics analysis to show that large-diameter bars are much more susceptible to the effects of corrosion than small-diameter bars.
Rights: Copyright © ICE Publishing 2016, all rights reserved
DOI: 10.1680/jmacr.15.00217
Appears in Collections:Aurora harvest 3
Civil and Environmental Engineering publications

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