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Journal Articles

Particle-scale observation of seepage flow in granular soils using PIV and CFD

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N. Sanvitale, B. D. Zhao, E. T. Bowman, C. O'Sullivan
Journal: Géotechnique
Geotechnique (2023) 73 (1): 71–88.
https://doi.org/10.1680/jgeot.20.P.432
Published: 08 October 2021
View article titled, Particle-scale observation of seepage flow in granular soils using PIV and CFD
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Includes: Supplementary data
Journal Articles

Grading evolution and critical state in a discrete numerical model of Fontainebleau sand

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M. O. Ciantia, M. Arroyo, C. O'Sullivan, A. Gens, T. Liu
Journal: Géotechnique
Geotechnique (2019) 69 (1): 1–15.
https://doi.org/10.1680/jgeot.17.P.023
Published: 25 April 2018
View article titled, Grading evolution and critical state in a discrete numerical model of Fontainebleau sand
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Journal Articles

Influence of the coefficient of uniformity on the size and frequency of constrictions in sand filters

Open Access
H. F. Taylor, C. O'Sullivan, T. Shire, W. W. Moinet
Journal: Géotechnique
Geotechnique (2019) 69 (3): 274–282.
https://doi.org/10.1680/jgeot.17.T.051
Published: 19 April 2018
View article titled, Influence of the coefficient of uniformity on the size and frequency of constrictions in sand filters
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Journal Articles

Energy dissipation in soil samples during drained triaxial shearing

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K. J. Hanley, X. Huang, C. O'Sullivan
Journal: Géotechnique
Geotechnique (2018) 68 (5): 421–433.
https://doi.org/10.1680/jgeot.16.P.317
Published: 29 August 2017
View article titled, Energy dissipation in soil samples during drained triaxial shearing
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Journal Articles

The relevance of roundness to the crushing strength of granular materials

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I. Cavarretta, C. O'Sullivan, M. R. Coop
Journal: Géotechnique
Geotechnique (2017) 67 (4): 301–312.
https://doi.org/10.1680/jgeot.15.P.226
Published: 21 November 2016
View article titled, The relevance of roundness to the crushing strength of granular materials
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Journal Articles

The influence of particle surface roughness on elastic stiffness and dynamic response

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M. Otsubo, C. O'Sullivan, K. J. Hanley, W. W. Sim
Journal: Géotechnique
Geotechnique (2017) 67 (5): 452–459.
https://doi.org/10.1680/jgeot.16.P.050
Published: 18 November 2016
View article titled, The influence of particle surface roughness on elastic stiffness and dynamic response
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Journal Articles

Constriction size distributions of granular filters: a numerical study

Open Access
T. Shire, C. O'Sullivan
Journal: Géotechnique
Geotechnique (2016) 66 (10): 826–839.
https://doi.org/10.1680/jgeot.15.P.215
Published: 10 June 2016
View article titled, Constriction size distributions of granular filters: a numerical study
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Journal Articles

Exploring the micro-mechanics of triaxial instability in granular materials

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J. C. Lopera Perez, C. Y. Kwok, C. O'Sullivan, X. Huang, K. J. Hanley
Journal: Géotechnique
Geotechnique (2016) 66 (9): 725–740.
https://doi.org/10.1680/jgeot.15.P.206
Published: 06 May 2016
View article titled, Exploring the micro-mechanics of triaxial instability in granular materials
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Journal Articles

Quantitative assessment of the influence of surface roughness on soil stiffness

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M. Otsubo, C. O'sullivan, W. W. Sim, E. Ibraim
Journal: Géotechnique
Geotechnique (2015) 65 (8): 694–700.
https://doi.org/10.1680/geot.14.T.028
Published: 01 August 2015
View article titled, Quantitative assessment of the influence of surface roughness on soil stiffness
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Journal Articles

Microstructural analysis of sands with varying degrees of internal stability

Free
J. Fonseca, W.W. Sim, T. Shire, C. O'sullivan, Y. Wang, Y.A.H. Dallo
Journal: Géotechnique
Geotechnique (2015) 65 (7): 620–623.
https://doi.org/10.1680/geot.14.D.006
Published: 01 July 2015
View article titled, Microstructural analysis of sands with varying degrees of internal stability
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Journal Articles

Discrete-element method analysis of the state parameter

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X. HUANG, C. O'SULLIVAN, K.J. HANLEY, C.Y. KWOK
Journal: Géotechnique
Geotechnique (2014) 64 (12): 954–965.
https://doi.org/10.1680/geot.14.P.013
Published: 10 December 2014
View article titled, Discrete-element method analysis of the state parameter
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Journal Articles

Microstructural analysis of sands with varying degrees of internal stability

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J. FONSECA, W.W. SIM, T. SHIRE, C. O'SULLIVAN
Journal: Géotechnique
Geotechnique (2014) 64 (5): 405–411.
https://doi.org/10.1680/geot.13.T.014
Published: 01 April 2014
View article titled, Microstructural analysis of sands with varying degrees of internal stability
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Journal Articles

Use of DEM and elastic stability analysis to explain the influence of the intermediate principal stress on shear strength

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C. O'SULLIVAN, M.A. WADEE, K.J. HANLEY, D. BARRETO
Journal: Géotechnique
Geotechnique (2013) 63 (15): 1298–1309.
https://doi.org/10.1680/geot.12.P.153
Published: 01 December 2013
View article titled, Use of DEM and elastic stability analysis to explain the influence of the intermediate principal stress on shear strength
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Journal Articles

Use of a two-dimensional discrete-element line-sink model to gain insight into tunnelling-induced deformations

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T. BYM, G. MARKETOS, J.B. BURLAND, C. O'SULLIVAN
Journal: Géotechnique
Geotechnique (2013) 63 (9): 791–795.
https://doi.org/10.1680/geot.12.T.003
Published: 01 July 2013
View article titled, Use of a two-dimensional discrete-element line-sink model to gain insight into tunnelling-induced deformations
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Journal Articles

Quantifying the evolution of soil fabric during shearing using scalar parameters

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J. FONSECA, C. O'SULLIVAN, M.R. COOP, P.D. LEE
Journal: Géotechnique
Geotechnique (2013) 63 (10): 818–829.
https://doi.org/10.1680/geot.11.P.150
Published: 08 March 2013
View article titled, Quantifying the evolution of soil fabric during shearing using scalar parameters
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Journal Articles

Quantifying stress-induced anisotropy using inter-void constrictions

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T. SHIRE, C. O'SULLIVAN, D. BARRETO, G. GAUDRAY
Journal: Géotechnique
Geotechnique (2013) 63 (1): 85–91.
https://doi.org/10.1680/geot.11.T.020
Published: 01 January 2013
View article titled, Quantifying stress-induced anisotropy using inter-void constrictions
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Journal Articles

Quantifying the evolution of soil fabric during shearing using directional parameters

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J. FONSECA, C. O'SULLIVAN, M.R. COOP, P.D. LEE
Journal: Géotechnique
Geotechnique (2013) 63 (6): 487–499.
https://doi.org/10.1680/geot.12.P.003
Published: 16 October 2012
View article titled, Quantifying the evolution of soil fabric during shearing using directional parameters
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Journal Articles

The mechanics of rigid irregular particles subject to uniaxial compression

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I. CAVARRETTA, C. O'SULLIVAN
Journal: Géotechnique
Geotechnique (2012) 62 (8): 681–692.
https://doi.org/10.1680/geot.10.P.102
Published: 01 August 2012
View article titled, The mechanics of rigid irregular particles subject to uniaxial compression
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Journal Articles

The influence of particle characteristics on the behaviour of coarse grained soils

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I. CAVARRETTA, M. COOP, C. O'SULLIVAN
Journal: Géotechnique
Geotechnique (2010) 60 (6): 413–423.
https://doi.org/10.1680/geot.2010.60.6.413
Published: 01 June 2010
View article titled, The influence of particle characteristics on the behaviour of coarse grained soils
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Journal Articles

Particle breakage during cyclic triaxial loading of a carbonate sand

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S. Donohue, C. O'sullivan, M. Long
Journal: Géotechnique
Geotechnique (2009) 59 (5): 477–482.
https://doi.org/10.1680/geot.2008.T.003
Published: 01 June 2009
View article titled, Particle breakage during cyclic triaxial loading of a carbonate sand
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