<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The article presents an application of X-ray microtomography for identification of the carbonation zone in concrete material. A concrete specimen subjected earlier to harsh environmental conditions is investigated. The material is firstly checked with the use of chemical corrosion indicators and then is subjected to microstructural analysis performed with the use of X-ray microtomography. Two different settings of scanning parameters are applied implying the image resolutions of approximately 14 μm per 1 pixel and about 7 μm per 1 pixel, respectively. The results obtained are then compared and analyzed. The depth of the carbonation zone is evaluated based on the attenuation curve. The paper highlights also the significance of the corrosion phenomenon in concrete structures. Details of the deterioration mechanisms in concrete are shortly presented.</p></abstract>

The article presents an application of X-ray microtomography for identification of the carbonation zone in concrete material. A concrete specimen subjected earlier to harsh environmental conditions is investigated. The material is firstly checked with the use of chemical corrosion indicators and then is subjected to microstructural analysis performed with the use of X-ray microtomography. Two different settings of scanning parameters are applied implying the image resolutions of approximately 14 μm per 1 pixel and about 7 μm per 1 pixel, respectively. The results obtained are then compared and analyzed. The depth of the carbonation zone is evaluated based on the attenuation curve. The paper highlights also the significance of the corrosion phenomenon in concrete structures. Details of the deterioration mechanisms in concrete are shortly presented.

Identification of the Carbonation Zone in Concrete using X-Ray Microtomography

Wrocław University of Technology, Faculty of Civil Engineering, Institute of Geotechnics and Hydrotechnics, Wrocław, Poland

Wrocław University of Technology, Faculty of Civil Engineering, Institute of Building Engineering, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland

Studia Geotechnica et Mechanica

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

{"article-title":"Identification of the Carbonation Zone in Concrete using X-Ray Microtomography"}

The article presents an application of X-ray microtomography for identification of the carbonation zone in concrete material. A concrete specimen subjected...

Identification of the Carbonation Zone in Concrete using X-Ray Microtomography

Published Online: Jun 13, 2014

Page range: 47 - 54

DOI: https://doi.org/10.2478/sgem-2014-0006

Keywords
concrete, carbonation zone, X-ray microtomography

© by Dariusz Łydżba

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Identification of the Carbonation Zone in Concrete using X-Ray Microtomography

Published Online: Jun 13, 2014

Page range: 47 - 54

DOI: https://doi.org/10.2478/sgem-2014-0006

Keywordsconcrete, carbonation zone, X-ray microtomography

© by Dariusz Łydżba

This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Keywords
concrete, carbonation zone, X-ray microtomography