CUED Publications database

Shear strength and dilatancy of unsaturated silica sand in triaxial compression tests

Fern, J and Soga, K and Robert, DJ and Sakanoue, T (2015) Shear strength and dilatancy of unsaturated silica sand in triaxial compression tests. In: UNSPECIFIED pp. 535-540..

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Abstract

It is well known that partial saturation enhances the critical state strength of sand but little is known on the enhancement of the peak strength. A triaxial compression test programme was carried out on a silica sand called in which specimens were tested at different initial densities, water contents and at low stresses. It was found that the enhancement of the peak strength was more significant than the enhancement of the critical state strength. This paper presents a stress-dilatancy analysis in which the enhancement of the peak strength may be explained by the enhancements of the critical state strength and the maximum dilatancy rate. © 2015 Taylor & Francis Group, London.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:05
Last Modified: 15 Aug 2017 01:26
DOI: