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Influence of effective stress on swelling pressure of expansive soils

Delage, P., Baille, Wiebke, Lang, Linzhi, Tripathy, Snehasis, Schanz, Tom, Cui, Y.-J., Ghabezloo, S., Pereira, J.-M. and Tang, A.-M. 2016. Influence of effective stress on swelling pressure of expansive soils. E3S Web of Conferences 9 , 14016. 10.1051/e3sconf/20160914016

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Abstract

The volume change and shear strength behaviour of soils are controlled by the effective stress. Recent advances in unsaturated soil mechanics have shown that the effective stress as applicable to unsaturated soils is equal to the difference between the externally applied stress and the suction stress. The latter can be established based on the soil-water characteristic curve (SWCC) of the soil. In the present study, the evolution of swelling pressure in compacted bentonite-sand mixtures was investigated. Comparisons were made between magnitudes of applied suction, suction stress, and swelling pressure.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: EDP Sciences
ISSN: 2267-1242
Date of First Compliant Deposit: 28 March 2017
Last Modified: 10 Jul 2019 10:01
URI: http://orca.cf.ac.uk/id/eprint/98936

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