Journal
JOURNAL OF MATERIALS IN CIVIL ENGINEERING
Volume 27, Issue 2, Pages -Publisher
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)MT.1943-5533.0001023
Keywords
Marine environments; Corrosion; Chloride penetration; Probability; Monte Carlo
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Funding
- National Natural Science Foundation of China [51108413]
- Research Grants Council of the Hong Kong SAR [PolyU 516509]
- Fundamental Research Funds for the Central Universities [2012QNA4016]
- Western Construction Project of Ministry of Transportation [20113288061110]
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Corrosion of steel reinforcement due to chloride penetration is a major deterioration mechanism of reinforced concrete (RC) structures exposed to marine environments. In the present paper, a probabilistic model is presented to predict the chloride penetration profile in concrete and the risk of steel corrosion considering the time dependence of both the diffusion coefficient and the surface chloride concentration of concrete. Abundant field data from two projects in China and Japan are respectively collected. The consistency between these field data and the model prediction verified the reliability of this probabilistic model, based on which further parametric analyses were carried out to investigate the effects of different design variables on the probability of steel corrosion. (c) 2014 American Society of Civil Engineers.
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