Concrete deterioration in Colombian urban atmospheres

Authors

  • Esteban Correa University of Antioquia
  • Sergio Peñaranda University of Antioquia
  • Juan Castaño University of Antioquia
  • Félix Echavarría University of Antioquia

Keywords:

concrete, atmospheric deterioration, carbon dioxide, chlorides, EIS

Abstract

The combination of atmospheric pollutants, such as carbon dioxide and chlorides has a synergistic effect accelerating the degradation process of concrete. However, in Colombia it has not been carried out field tests inreal urban environments to assess the deterioration of concrete and its relation to both, carbonation and chloride content. In this work, cylindrical concrete probes were exposed in different urban atmospheres with the aim of establishing correlations between the concrete deterioration and the type of atmosphere. To evaluate the corrosion rate on the rebar and the percentage of carbonated probe, Electrochemical Impedance Spectroscopy (EIS) and physicochemical tests with phenolphthalein were used, respectively.

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Author Biographies

Esteban Correa, University of Antioquia

Corrosion and Protection Group, University of Antioquia – University Research Headquarters (SIU).

Sergio Peñaranda, University of Antioquia

Corrosion and Protection Group, University of Antioquia – University Research Headquarters (SIU).

Juan Castaño, University of Antioquia

Corrosion and Protection Group, University of Antioquia – University Research Headquarters (SIU).

Félix Echavarría, University of Antioquia

Corrosion and Protection Group, University of Antioquia – University Research Headquarters (SIU).

References

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Published

2013-03-07

How to Cite

Correa, E., Peñaranda, S., Castaño, J., & Echavarría, F. (2013). Concrete deterioration in Colombian urban atmospheres. Revista Facultad De Ingeniería Universidad De Antioquia, (52), 41–46. Retrieved from https://revistas.udea.edu.co/index.php/ingenieria/article/view/14801

Issue

No. 52 (2010): Revista Facultad de Ingeniería (Jan-Mar 2010)

Section

Articles

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