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A large deformation finite element analysis solution for modelling dense sand

A large deformation finite element analysis solution for modelling dense sand
A large deformation finite element analysis solution for modelling dense sand

To capture the softening behaviour of dense sand, an extended Mohr-Coulomb model was developed using a critical state framework. The model extends Bolton's correlations to capture dilatancy and peak strength, and is compatible with the remeshing and remapping strategies used in large deformation finite element analysis. This model is initially being used to simulate the behaviour of sand layers during foundation and spudcan penetration into uniform and stratified soils, but is applicable to a variety of problems that cannot be accurately simulated using conventional M-C plasticity alone.

Biaxial test, Critical state, Dilation, Large deformation analysis, Remeshing and mapping algorithm, Shear band
2359-2362
IOS Press
Li, X.
df4a6c0e-3b99-4c6a-9be4-ab53d0541c11
Hu, Y.
64fd97b0-7ac6-458b-8e89-5ddc6b49c448
White, D.
a986033d-d26d-4419-a3f3-20dc54efce93
Li, X.
df4a6c0e-3b99-4c6a-9be4-ab53d0541c11
Hu, Y.
64fd97b0-7ac6-458b-8e89-5ddc6b49c448
White, D.
a986033d-d26d-4419-a3f3-20dc54efce93

Li, X., Hu, Y. and White, D. (2013) A large deformation finite element analysis solution for modelling dense sand. In 18th International Conference on Soil Mechanics and Geotechnical Engineering: Challenges and Innovations in Geotechnics, ICSMGE 2013. vol. 3, IOS Press. pp. 2359-2362 .

Record type: Conference or Workshop Item (Paper)

Abstract

To capture the softening behaviour of dense sand, an extended Mohr-Coulomb model was developed using a critical state framework. The model extends Bolton's correlations to capture dilatancy and peak strength, and is compatible with the remeshing and remapping strategies used in large deformation finite element analysis. This model is initially being used to simulate the behaviour of sand layers during foundation and spudcan penetration into uniform and stratified soils, but is applicable to a variety of problems that cannot be accurately simulated using conventional M-C plasticity alone.

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More information

Published date: 2013
Venue - Dates: 18th International Conference on Soil Mechanics and Geotechnical Engineering, ICSMGE 2013, Paris, France, 2013-09-02 - 2013-09-06
Keywords: Biaxial test, Critical state, Dilation, Large deformation analysis, Remeshing and mapping algorithm, Shear band

Identifiers

Local EPrints ID: 419746
URI: https://eprints.soton.ac.uk/id/eprint/419746
PURE UUID: af17b8e9-d2d6-41bb-8298-38d3a824812c
ORCID for D. White: ORCID iD orcid.org/0000-0002-2968-582X

Catalogue record

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

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