Application of Two Different Methods for Determination of Water and Chloride Transport Parameters of Building Stones

Zbyšek Pavlík; Jan Fořt; Milena Pavlíková; Robert Černý

doi:10.4028/www.scientific.net/AMM.595.143

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 595Application of Two Different Methods for...

Application of Two Different Methods for Determination of Water and Chloride Transport Parameters of Building Stones

Abstract:

The transport of 1M NaCl water solution in three different types of sandstones is studied For basic characterization of studied materials, their chemical composition, porosity, bulk density and matrix density are accessed. The chloride transport is analyzed using two different methods. In the first one, the chloride absorption coefficient is measured on the basis of a modified sorptivity concept. The second method consists in carrying out an inverse analysis of experimentally measured moisture and chloride concentration profiles, leading to the determination of chloride diffusion coefficient as a function of chloride concentration, and moisture diffusivity as a function of moisture content. The chloride transport properties obtained for the particular studied materials are compared and the observed differences are discussed.

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Periodical:

Applied Mechanics and Materials (Volume 595)

Pages:

143-148

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.595.143

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Online since:

July 2014

Authors:

Zbyšek Pavlík*, Jan Fořt, Milena Pavlíková, Robert Černý

Keywords:

Chloride Concentration Profiles, Chloride Transport, Inverse Analysis, Moisture Profiles, Sandstone, Sorptivity, Water Transport

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References

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