Journal
CORROSION SCIENCE
Volume 53, Issue 4, Pages 1337-1347Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2010.12.026
Keywords
Steel reinforced concrete; Modelling studies; Atmospheric corrosion
Funding
- National Natural Science Foundation of PR China [50920105806, 50908103, 50878098]
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A relation between the radial pressure induced by expansion corrosion products and weight loss percentage of corroded steel was developed and simplified by investigating the influence of the mechanical properties of corrosion layer on cover cracking. By taking account of the penetration of the rusts into open cracks, a mathematical model that predicts the cover cracking time was proposed based on Faraday's law. Some experimental observations were compared with the predictions made by the proposed model and two existing models, which indicates that the presented model is more suitable for predicting cracking time for both accelerated and long-term corrosion conditions. (C) 2011 Elsevier Ltd. All rights reserved.
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