Title:
Estimation of Carbonation Depth Based on Hygrothermal Calculations
Author(s):
Christina Giarma
Publication:
Materials Journal
Volume:
108
Issue:
2
Appears on pages(s):
209-218
Keywords:
carbonation; hygrothermal analysis; modeling
DOI:
10.14359/51682315
Date:
3/1/2011
Abstract:
In this paper, a method for the estimation of concrete carbonation depth is presented. The basis of this method’s calculations is on the results of hygrothermal performance analysis of concrete components. The essential components of this method are: a function through which relative humidity conditions inside concrete components are assessed with regard to whether and to what degree they favor the progress of carbonation in the components (a function quantifying the influence of relative humidity on concrete carbonation); and a simplified equation calculating carbonation depth as proportional to the square root of time. Based on these two components, the formulation of which is presented in the paper, the results of hygrothermal calculations are used for the estimation of carbonation depth in concrete components. The accuracy of the results derived from this method is verified through their comparison with experimentally derived carbonation depth values; the latter are cited in the references.