Some observations on the effects of pore fluids on the triaxial behaviour of a sand
Some observations on the effects of pore fluids on the triaxial behaviour of a sand
This paper describes unusual stress–strain behaviour, involving deviatoric stress, axial strain and pore pressure jumps, observed during undrained triaxial compression testing of Leighton Buzzard sand when using syrup and silicon oil pore fluids. The materials, pore fluids, specimen preparation and test methods are described, as are the results of a suite of triaxial tests in a temperature controlled cell in which deviatoric stress, pore pressure and local strain were measured. The results are compared with the some existing data showing similar effects, and possible causes of the strain jumps are postulated. The results suggest that specimen formation in the way used here, in a viscous fluid, could suppress dilatancy
triaxial compression tests, leighton buzzard sand, pore fluids
87-95
Çabalar, A.F.
72f9f41f-a152-4767-b23f-87a45e241cae
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
February 2010
Çabalar, A.F.
72f9f41f-a152-4767-b23f-87a45e241cae
Clayton, C.R.I.
8397d691-b35b-4d3f-a6d8-40678f233869
Çabalar, A.F. and Clayton, C.R.I.
(2010)
Some observations on the effects of pore fluids on the triaxial behaviour of a sand.
Granular Matter, 12 (1), .
(doi:10.1007/s10035-009-0164-0).
Abstract
This paper describes unusual stress–strain behaviour, involving deviatoric stress, axial strain and pore pressure jumps, observed during undrained triaxial compression testing of Leighton Buzzard sand when using syrup and silicon oil pore fluids. The materials, pore fluids, specimen preparation and test methods are described, as are the results of a suite of triaxial tests in a temperature controlled cell in which deviatoric stress, pore pressure and local strain were measured. The results are compared with the some existing data showing similar effects, and possible causes of the strain jumps are postulated. The results suggest that specimen formation in the way used here, in a viscous fluid, could suppress dilatancy
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Published date: February 2010
Keywords:
triaxial compression tests, leighton buzzard sand, pore fluids
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Local EPrints ID: 73953
URI: http://eprints.soton.ac.uk/id/eprint/73953
ISSN: 1434-5021
PURE UUID: 5cbd7f7c-2ea0-466b-b397-26e23c7993eb
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Date deposited: 16 Mar 2010
Last modified: 14 Mar 2024 02:43
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Author:
A.F. Çabalar
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