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The influence of coloured dyes on the undrained shear strength of kaolin

The influence of coloured dyes on the undrained shear strength of kaolin
The influence of coloured dyes on the undrained shear strength of kaolin

Colouring of clay with dyes can be a useful method for monitoring processes in physical modelling where different soil masses interact. In the present study, centrifuge modelling of the interaction of a submarine slide and a model seabed necessitated the addition of coloured dyes to aid differentiation of the slide and the seabed after a slide event. Assessments of pH, index properties and undrained shear strength, supported by Scanning Electron Microscopy (SEM) and X-Ray Diffraction studies, have been used to understand the influence of different dyes on kaolin clay. The addition of different dyes was found to influence the intact undrained shear strength (s u-int) of the dyed samples while the remoulded shear strength (s u-rem) was similar for all samples. XRD and SEM tests revealed micro-structural changes in the dyed samples which may have caused the increase in s u-int.

165-170
CRC Press
Sahdi, F.
4440c2e1-cec9-4cbf-b101-7722b9535ea5
Boylan, N.
e9ddfa83-2c78-4d46-83c4-3414e5adc65a
White, D.J.
a986033d-d26d-4419-a3f3-20dc54efce93
Gaudin, C.
4d1197f0-7c69-4301-8877-33f840784685
Springman, Sarah
Sahdi, F.
4440c2e1-cec9-4cbf-b101-7722b9535ea5
Boylan, N.
e9ddfa83-2c78-4d46-83c4-3414e5adc65a
White, D.J.
a986033d-d26d-4419-a3f3-20dc54efce93
Gaudin, C.
4d1197f0-7c69-4301-8877-33f840784685
Springman, Sarah

Sahdi, F., Boylan, N., White, D.J. and Gaudin, C. (2010) The influence of coloured dyes on the undrained shear strength of kaolin. Springman, Sarah (ed.) In Research and Innovation using Geotechnical Physical Modelling: Proceedings of the 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010. vol. 1, CRC Press. pp. 165-170 .

Record type: Conference or Workshop Item (Paper)

Abstract

Colouring of clay with dyes can be a useful method for monitoring processes in physical modelling where different soil masses interact. In the present study, centrifuge modelling of the interaction of a submarine slide and a model seabed necessitated the addition of coloured dyes to aid differentiation of the slide and the seabed after a slide event. Assessments of pH, index properties and undrained shear strength, supported by Scanning Electron Microscopy (SEM) and X-Ray Diffraction studies, have been used to understand the influence of different dyes on kaolin clay. The addition of different dyes was found to influence the intact undrained shear strength (s u-int) of the dyed samples while the remoulded shear strength (s u-rem) was similar for all samples. XRD and SEM tests revealed micro-structural changes in the dyed samples which may have caused the increase in s u-int.

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More information

Published date: 2010
Venue - Dates: 7th International Conference on Physical Modelling in Geotechnics 2010, ICPMG 2010, Zurich, Switzerland, 2010-06-28 - 2010-07-01

Identifiers

Local EPrints ID: 419886
URI: http://eprints.soton.ac.uk/id/eprint/419886
PURE UUID: abf0d2b6-60b8-45a0-9c3f-aec4752d7fc4
ORCID for D.J. White: ORCID iD orcid.org/0000-0002-2968-582X

Catalogue record

Date deposited: 23 Apr 2018 16:30
Last modified: 20 Jul 2019 00:25

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