Sustainability assessment of concrete structure durability under reinforcement corrosion

Anna Emilie A. Thybo, Alexander Michel, Henrik Stang

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Abstract

In the present paper a parametric study is conducted based on an existing finite element based model. The influence of cover layer, reinforcement diameter and water-to-cement ratio is compared to a possible scatter in the results due to insufficient knowledge about the distribution of the corrosion current density along the circumference of the reinforcement. Simulations show that the scatter has a greater influence on the results than changing the parameters wherefore it is concluded that further investigation of the non-uniform deposition of corrosion products is essential to better understand and predict the durability of a given structure.
Original languageEnglish
Publication date2013
Number of pages8
Publication statusPublished - 2013
EventFirst International Conference on Concrete Sustainability - Tokyo, Japan
Duration: 27 May 201329 May 2013
Conference number: 1
http://www.jci-iccs13.jp/

Conference

ConferenceFirst International Conference on Concrete Sustainability
Number1
CountryJapan
CityTokyo
Period27/05/201329/05/2013
Internet address

Keywords

  • Non-uniform corrosion
  • Reinforced concrete
  • Concrete cover cracking
  • Numerical modeling
  • Parameter study
  • Finite element method

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