Tensiometer techniques for determining soil water retention curves

Toll, D. G., Asquith, J. D., Fraser, A., Hassan, Ahmed, Liu, Grace, Lourenço, S., Mendes, Joao, Noguchi, T., Osinki, P. and Stirling, R. (2015) Tensiometer techniques for determining soil water retention curves. In: Unsaturated Soil Mechanics from Theory to Practice - Proceedings of the 6th Asia-Pacific Conference on Unsaturated Soils. Taylor & Francis, pp. 15-22. ISBN 9781138029217

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The water retention behaviour of soils is an essential aspect of understanding the unsaturated behaviour of soil materials. This paper looks at a relatively new method of measurement for soil water retention curves, using high capacity tensiometers. New equipment for carrying out continuous measurements of water content, suction and volume change is described. The results are compared with traditional pressure plate measurements, as well as filter paper and chilled mirror hygrometer tests. It has been suggested that tensiometer measurements and pressure plate data give different results. This is confirmed by the larger data set provided here. It is found that the differences between the techniques can be explained by different volumetric responses.

Item Type: Book Section
Subjects: F800 Physical and Terrestrial Geographical and Environmental Sciences
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
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Depositing User: Becky Skoyles
Date Deposited: 03 Jul 2018 11:51
Last Modified: 11 Oct 2019 20:00
URI: http://nrl.northumbria.ac.uk/id/eprint/34795

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