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Diffusion-reaction model for the internal sulfate attack in concrete

Author
Campos, A.; Lopez, C.; Aguado, A.
Type of activity
Journal article
Journal
Construction and building materials
Date of publication
2016-01
Volume
102
Number
Part 1
First page
531
Last page
540
DOI
https://doi.org/10.1016/j.conbuildmat.2015.10.177 Open in new window
Repository
http://hdl.handle.net/2117/83329 Open in new window
URL
http://www.sciencedirect.com/science/article/pii/S0950061815305985 Open in new window
Abstract
In the analysis of the behavior of concrete structures affected by expansive problems, it is often necessary to use kinetics models of the reactions involved to assess and predict the magnitude, distribution, and evolution over the time of expansion. In this study, a diffusion-reaction model is developed for the internal sulfate attack (ISA) problem due to the oxidation of the pyrrhotite into the aggregates. The model takes into account the kinetics of the pyrrhotite oxidation under the two main...
Citation
Campos, A., Lopez, C., Aguado, A. Diffusion-reaction model for the internal sulfate attack in concrete. "Construction & building materials", Gener 2016, vol. 102, núm. Part 1, p. 531-540.
Keywords
Concrete, Dams, Expansion, Kinetics and diffusion, Sulfate attack
Group of research
EC - Construction Engineering
MECMAT - Mechanics of Materials

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