On Mathematical Models of Degradation Processes According to ISO16204 and fib Model Code
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Date
2023-09-25
Authors
Sadílková Šomodíková, Martina
Doležel, Jiří
Lehký, David
0000-0001-7117-4946Advisor
Referee
Mark
Journal Title
Journal ISSN
Volume Title
Publisher
Ernst & Sohn
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Abstract
The main factors affecting the service life of concrete structures are the presence of chlorideions and carbon dioxide, alternating frost action and mechanical stresses on the structure. In practice, these effects can be taken into account by using math-ematical modelling of these phenomena. In thiscontribution, the authors focus on the processes of chlorideions and carbon dioxide (carbonation process) diffusion through concrete and the associated subsequent corrosion of reinforcement. Math-ematical models recommended by the fibModel Code and ISO 16204 are described and the effect of simultaneous environmental and mechanical load on the service life of the structure is discussed. The models are used to study the residual service life of a simple reinforced concrete frame bridgebased on the percentage loss of reinforcement area analysis over time.
Description
Citation
ce/papers. 2023, vol. 6, issue 5, p. 1221-1227.
https://onlinelibrary.wiley.com/doi/epdf/10.1002/cepa.2135
https://onlinelibrary.wiley.com/doi/epdf/10.1002/cepa.2135
Document type
Peer-reviewed
Document version
Published version
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Language of document
en
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Date of acceptance
Defence
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Document licence
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
http://creativecommons.org/licenses/by-nc-nd/4.0/
http://creativecommons.org/licenses/by-nc-nd/4.0/