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Preface | |
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Acknowledgements | |
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List of symbols | |
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Introduction: models and soil mechanics | |
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Use of models in engineering | |
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Soil: volumetric variables | |
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Effective stresses: pore pressures | |
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Soil testing: stress and strain variables | |
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Triaxial apparatus | |
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Other testing apparatus | |
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Plane strain | |
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Pore pressure parameters | |
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Conclusion | |
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Exercises | |
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Elasticity | |
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Isotropic elasticity | |
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Soil elasticity | |
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Anisotropic elasticity | |
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The role of elasticity in soil mechanics | |
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Exercises | |
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Plasticity and yielding | |
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Introduction | |
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Yielding of metal tubes in combined tension and torsion | |
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Yielding of clays | |
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Yielding of sands | |
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Yielding of metals and soils | |
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Exercises | |
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Elastic-plastic model for soil | |
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Introduction | |
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Elastic volumetric strains | |
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Plastic volumetric strains and plastic hardening | |
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Plastic shear strains | |
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Frictional block | |
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Plastic potentials | |
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Normality or associated flow | |
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General plastic stress: strain relationship | |
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Summary: ingredients of elastic-plastic model | |
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Exercises | |
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A particular elastic-plastic model: Cam clay | |
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Introduction | |
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Cam clay | |
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Cam clay predictions: conventional drained triaxial compression | |
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Cam clay predictions: conventional undrained triaxial compression | |
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Conclusion | |
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Exercises | |
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Critical states | |
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Introduction: critical state line | |
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Two-dimensional representations of p':q:v information | |
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Critical states for clays | |
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Critical state line and qualitative soil response | |
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Critical states for sands and other granular materials | |
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Conclusion | |
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Exercises | |
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Strength of soils | |
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Introduction: Mohr-Coulomb failure | |
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Critical state line and undrained shear strength | |
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Critical state line and pore pressures at failure | |
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Peak strengths | |
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Peak strengths for clay | |
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Interpretation of peak strength data | |
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Peak strengths for sand | |
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Status of stability and collapse calculations | |
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Total and effective stress analyses | |
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Critical state strength and residual strength | |
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Conclusion | |
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Exercises | |
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Stress-dilatancy | |
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Introduction | |
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Plastic potentials, flow rules, and stress-dilatancy diagrams | |
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Stress-dilatancy in plane strain | |
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Work equations: 'original' Cam clay | |
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Rowe's stress-dilatancy relation | |
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Experimental findings | |
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Strength and dilatancy | |
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Conclusion | |
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Exercises | |
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Index properties | |
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Introduction | |
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Fall-cone test as index test | |
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Properties of insensitive soils | |
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Background to correlations | |
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Liquid limit | |
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Plastic limit | |
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Plasticity and compressibility; liquidity and strength | |
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Liquidity and critical states | |
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Liquidity and normal compression | |
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Sensitive soils | |
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Strength and overburden pressure | |
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Conclusion | |
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Exercises | |
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Stress paths and soil tests | |
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Introduction | |
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Display of stress paths | |
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Axially symmetric stress paths | |
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One-dimensional compression of soil | |
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One-dimensional unloading of soil | |
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Fluctuation of water table | |
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Elements on centreline beneath circular load | |
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Plane strain stress paths | |
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One-dimensional compression and unloading | |
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Elements beneath long embankment | |
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Elements adjacent to long excavation | |
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Element in long slope | |
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General stress paths | |
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Undrained strength of soil in various tests | |
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Modes of undrained deformation | |
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Undrained strengths: Cam clay model | |
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Conclusion | |
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Exercises | |
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Applications of elastic-plastic models | |
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Introduction | |
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Circular load on soft clay foundation | |
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Yielding and generation of pore pressure | |
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Yielding and immediate settlement | |
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Yielding and coefficient of consolidation | |
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Yielding and long-term settlement | |
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Finite element analyses of geotechnical problems | |
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Inhomogeneities within a triaxial test specimen | |
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Centrifuge model of embankment on soft clay | |
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Experimental embankment on soft clay at Cubzac-les-Ponts | |
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Conclusion | |
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Exercises | |
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Beyond the simple models | |
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Introduction: purpose of models | |
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Effects of time | |
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Inelastic elastic response | |
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Evolution of yield loci | |
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Concluding remarks: applicable models | |
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References | |
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Index | |