International Journal of Concrete Structures and Materials

Korea Concrete Institute (한국콘크리트학회)
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Chloride Penetration in Circular Concrete Columns

  • Morga, M. (Mobility Department - Transportation Infrastructures Technologies, AIT Austrian Institute of Technology) ;
  • Marano, G.C. (Department of Civil Engineering and Architecture, Technical University of Bari)
  • Received : 2013.10.10
  • Accepted : 2014.12.08
  • Published : 2015.06.30
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Abstract

Most of the diffusion models of chloride ions in reinforced concrete (RC) elements proposed in literature are related to an isotropic homogeneous semi-infinite medium. This assumption reduces the mathematical complexity, but it is correct only for plane RC elements. This work proposes a comparison between the diffusion model of chloride ions in RC circular columns and in RC slab elements. The durability of RC cylindric elements estimated with the circular model instead of the plane model is shown to be shorter. Finally, a guideline is formulated to properly use the standard and more simple plane model instead of the circular one to estimate the time to corrosion initiation of cylindrical RC elements.

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References

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