Measurement of Moisture Storage Parameters of Building Materials
DOI:
https://doi.org/10.14311/420Keywords:
moisture retention curve, sorption isotherm, desorption isotherm, building materialsAbstract
The moisture storage parameters of three different building materials: calcium silicate, ceramic brick and autoclaved aerated concrete, are determined in the hygroscopic range and overhygroscopic range. Measured sorption isotherms and moisture retention curves are then combined into moisture storage functions using the Kelvin equation. A comparison of measured results with global characteristics of the pore space obtained by mercury intrusion porosimetry shows a reasonable agreement; the median pore radii by volume are well within the interval given by the beginning and the end of the characteristic steep parts of the moisture retention curves.Downloads
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