Elasto-plastic Constitutive Model for Overconsolidated Clays
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DOI: 10.1007/s40999-017-0193-8
Abstract: Constitutive model for saturated cohesive soils based on the bounding surface plasticity notion with anisotropic hardening law is presented in the paper. The model predicts inelastic behaviour of overconsolidated cohesive soils. The projection centre is… read more here.
Keywords: plastic constitutive; bounding surface; projection centre; elasto plastic ... See more keywords
Bounding surface plasticity model for jointed soft rocks considering overconsolidation and structural decay
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DOI: 10.1016/j.compgeo.2018.12.029
Abstract: Abstract This study investigates the strength and stress-strain relationship of jointed soft rocks using undrained triaxial compression testing. A bounding surface plasticity model considering overconsolidation and structural decay is proposed for jointed soft rocks. Specifically,… read more here.
Keywords: structural decay; jointed soft; bounding surface; soft rocks ... See more keywords
Multishear bounding surface modelling of anisotropic sands accounting for fabric and its evolution
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DOI: 10.1016/j.compgeo.2019.02.015
Abstract: Abstract This paper presents a multishear bounding surface model for sands that considers evolving fabric anisotropy. The model is formulated by decomposing the overall response into a macro volumetric response and a set of spatially… read more here.
Keywords: bounding surface; multishear bounding; anisotropic sands; modelling anisotropic ... See more keywords
A coupled hydromechanical bounding surface model predicting the hysteretic behaviour of unsaturated soils
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DOI: 10.1016/j.compgeo.2019.02.025
Abstract: Abstract This paper presents a bounding surface model to predict the hydromechanical behaviour of unsaturated soils under isotropic stress states. The model combines the hydraulic law of Gallipoli et al. [8] with the mechanical law… read more here.
Keywords: behaviour unsaturated; law; bounding surface; unsaturated soils ... See more keywords
Use of a bounding surface model in predicting element tests and capacity in boundary value problems
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DOI: 10.1139/cgj-2019-0841
Abstract: The paper examines the merit of a two surface plasticity model through an optimised calibration procedure and assesses the model performance in capturing the response at both element and system lev... read more here.
Keywords: bounding surface; use bounding; model predicting; surface ... See more keywords
A bounding surface model of gas-hydrate-bearing sediments
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DOI: 10.1680/jenge.19.00060
Abstract: Gas hydrates are a very promising energy source, but its exploitation also faces some challenges in marine geotechnics. The dissociation and formation of hydrates can significantly change the mecha... read more here.
Keywords: bounding surface; geotechnics; gas; gas hydrate ... See more keywords
An Enhanced Bounding Surface Model for Modelling Various Cyclic Behaviour of Clay
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DOI: 10.3390/ma15217609
Abstract: Many results from cyclic triaxial experiments indicate that porous media, such as clays, exhibit various long-term behaviours under different cyclic stress ratios (CSRs). These can be classified into three main categories, namely, cyclic shakedown, cyclic… read more here.
Keywords: cyclic behaviour; bounding surface; enhanced bounding; model ... See more keywords