Influence of Sulphate on the Moisture Movement of Calcium Silicate Brick Masonry Wall

Abstract:

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This paper presents the behaviour of moisture movement of calcium silicate brick masonry walls exposed to sodium sulphate environment. The walls were exposed to three sodium sulphate conditions with sulphate concentrations of5%, 10% and 15%. For comparison, some walls were also exposed to dry and wet condition which acts as a control conditions. All specimens were prepared and cured under polythene sheet for 14 days in a controlled environmental room and maintained at relative humidity and temperature of 80 ± 5% and 25 ± 2°C, respectively. After the curing period, the specimens were exposed to sodium sulphate as well as drying and water exposures, during which moisture movement was measured and monitored for a period of up to 7 months. As a result, the moisture expansion was observed and recorded for all masonry wall specimens after exposed to the sulphate condition.

Info:

Periodical:

Advanced Materials Research (Volumes 133-134)

Edited by:

Xianglin Gu and Xiaobin Song

Pages:

201-204

DOI:

10.4028/www.scientific.net/AMR.133-134.201

Citation:

I. M. H. Wan et al., "Influence of Sulphate on the Moisture Movement of Calcium Silicate Brick Masonry Wall", Advanced Materials Research, Vols. 133-134, pp. 201-204, 2010

Online since:

October 2010

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Price:

$35.00

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