Tensiometer techniques for determining soil water retention curves

D. G. Toll, J. D. Asquith, A. Fraser, A. A. Hassan, G. Liu, S. D.N. Lourenço, J. Mendes, T. Noguchi, P. Osinski, R. Stirling

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

6 Citations (Scopus)

Abstract

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.

Original languageEnglish
Title of host publicationUnsaturated Soil Mechanics from Theory to Practice - Proceedings of the 6th Asia-Pacific Conference on Unsaturated Soils
PublisherTaylor & Francis
Pages15-22
Number of pages8
ISBN (Electronic)9781315643342
ISBN (Print)9781138029217
Publication statusPublished - 14 Oct 2015
Externally publishedYes
Event6th Asia-Pacific Conference on Unsaturated Soil Mechanics from Theory to Practice, AP-UNSAT 2015 - Guilin, China
Duration: 23 Oct 201526 Oct 2015

Conference

Conference6th Asia-Pacific Conference on Unsaturated Soil Mechanics from Theory to Practice, AP-UNSAT 2015
CountryChina
CityGuilin
Period23/10/1526/10/15

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