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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Sunday 18 November 2018

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Carbonation of concrete structures located in urban and rural environment


[ Carbonatación de estructuras de hormigón ubicadas en ambiente urbano y rural ]

Volume 2, Issue 1, January 2013, Pages 6–15

 Carbonation of concrete structures located in urban and rural environment

C. Priano1 and L. Señas2

1 Engineering Department, Universidad Nacional del Sur, Bahía Blanca, Buenos Aires, Argentina
2 Engineering Department, Universidad Nacional del Sur, Bahía Blanca, Buenos Aires, Argentina

Original language: Spanish

Received 7 December 2012

Copyright © 2013 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The objective of this investigation was to study the effect of carbonation on two reinforced concrete structures of 42 and 60 years old, located on two different environments: urban and rural. Samples of concrete were taken, the carbonation depth was measured and density, absorption and porosity tests were performed. The carbonation process can be modeled by the equation of the square root of time. From that model, the carbonation constant for each sample was calculated, the progress of the carbonation depth versus time was plotted and the correlation between porosity and depth of carbonation was analyzed. It was verified the existence of different microclimates surrounding structural elements. The moisture content of the surrounding surface of each structural element is the most important factor affecting the progress of carbonation.

Author Keywords: Durability, concrete, carbonation, environment, microclimate.


How to Cite this Article


C. Priano and L. Señas, “Carbonation of concrete structures located in urban and rural environment,” International Journal of Innovation and Applied Studies, vol. 2, no. 1, pp. 6–15, January 2013.