Journal
CORROSION SCIENCE
Volume 53, Issue 10, Pages 3388-3397Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2011.06.018
Keywords
Steel reinforced concrete; Modelling studies; Rust
Funding
- National Natural Science Foundation of China [50808157]
- Qianjiang Talent Project of Zhejiang Province [2010R10099]
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The damage of concrete cover in reinforced concrete structures induced by reinforcing steel corrosion is investigated in this study. The damage process of the concrete cover can be divided into two distinct stages: the non-cracking stage and the partial cracking stage. An analytical model based on damage mechanics and elastic mechanics is developed to predict the concrete cracking due to steel corrosion. Based on this model, the expansive pressure and the radial loss of steel bar are discussed. Parametric studies are carried out to examine the effects of the correlative factors on the expansive pressure and the steel loss. (C) 2011 Elsevier Ltd. All rights reserved.
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