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Soil Behaviour and Critical State Soil Mechanics - David Muir Wood

Soil Behaviour and Critical State Soil Mechanics

Paperback Published: 9th September 1991
ISBN: 9780521337823
Number Of Pages: 488

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Soils can rarely be described as ideally elastic or perfectly plastic and yet simple elastic and plastic models form the basis for the most traditional geotechnical engineering calculations. With the advent of cheap powerful computers the possibility of performing analyses based on more realistic models has become widely available. One of the aims of this book is to describe the basic ingredients of a family of simple elastic-plastic models of soil behavior and to demonstrate how such models can be used in numerical analyses. Such numerical analyses are often regarded as mysterious black boxes but a proper appreciation of their worth requires an understanding of the numerical models on which they are based. Though the models on which this book concentrates are simple, understanding of these will indicate the ways in which more sophisticated models will perform.

Industry Reviews

"...an interesting book which has fully accomplished its objectives. The text is well written and clearly illustrated. The exercises at the end of each chapter provide a good teaching tool. This book can be recommended as a textbook for advanced courses in geomechanics. As well, it will be very useful as a reference for practicing geotechnical engineers and as a guide for researchers in soil mechanics." Aleksandra M. Vinogradov, Applied Mechanics Review "A good book for graduate students and faculty interested in learning about the applicability and limitations of critical state soil mechanics in research and in engineering practice." Choice

Prefacep. xi
Acknowledgementsp. xv
List of symbolsp. xvi
Introduction: models and soil mechanicsp. 1
Use of models in engineeringp. 1
Soil: volumetric variablesp. 5
Effective stresses: pore pressuresp. 12
Soil testing: stress and strain variablesp. 16
Triaxial apparatusp. 16
Other testing apparatusp. 28
Plane strainp. 31
Pore pressure parametersp. 33
Conclusionp. 35
Exercisesp. 35
Elasticityp. 37
Isotropic elasticityp. 37
Soil elasticityp. 40
Anisotropic elasticityp. 46
The role of elasticity in soil mechanicsp. 52
Exercisesp. 53
Plasticity and yieldingp. 55
Introductionp. 55
Yielding of metal tubes in combined tension and torsionp. 57
Yielding of claysp. 65
Yielding of sandsp. 76
Yielding of metals and soilsp. 81
Exercisesp. 82
Elastic-plastic model for soilp. 84
Introductionp. 84
Elastic volumetric strainsp. 85
Plastic volumetric strains and plastic hardeningp. 89
Plastic shear strainsp. 98
Frictional blockp. 99
Plastic potentialsp. 102
Normality or associated flowp. 103
General plastic stress: strain relationshipp. 106
Summary: ingredients of elastic-plastic modelp. 107
Exercisesp. 109
A particular elastic-plastic model: Cam clayp. 112
Introductionp. 112
Cam clayp. 113
Cam clay predictions: conventional drained triaxial compressionp. 118
Cam clay predictions: conventional undrained triaxial compressionp. 126
Conclusionp. 136
Exercisesp. 137
Critical statesp. 139
Introduction: critical state linep. 139
Two-dimensional representations of p':q:v informationp. 144
Critical states for claysp. 149
Critical state line and qualitative soil responsep. 158
Critical states for sands and other granular materialsp. 162
Conclusionp. 173
Exercisesp. 173
Strength of soilsp. 175
Introduction: Mohr-Coulomb failurep. 175
Critical state line and undrained shear strengthp. 179
Critical state line and pore pressures at failurep. 186
Peak strengthsp. 188
Peak strengths for clayp. 196
Interpretation of peak strength datap. 205
Peak strengths for sandp. 207
Status of stability and collapse calculationsp. 213
Total and effective stress analysesp. 215
Critical state strength and residual strengthp. 219
Conclusionp. 224
Exercisesp. 224
Stress-dilatancyp. 226
Introductionp. 226
Plastic potentials, flow rules, and stress-dilatancy diagramsp. 226
Stress-dilatancy in plane strainp. 229
Work equations: 'original' Cam clayp. 236
Rowe's stress-dilatancy relationp. 239
Experimental findingsp. 244
Strength and dilatancyp. 250
Conclusionp. 251
Exercisesp. 252
Index propertiesp. 256
Introductionp. 256
Fall-cone test as index testp. 257
Properties of insensitive soilsp. 262
Background to correlationsp. 277
Liquid limitp. 277
Plastic limitp. 280
Plasticity and compressibility; liquidity and strengthp. 282
Liquidity and critical statesp. 285
Liquidity and normal compressionp. 290
Sensitive soilsp. 296
Strength and overburden pressurep. 301
Conclusionp. 308
Exercisesp. 308
Stress paths and soil testsp. 310
Introductionp. 310
Display of stress pathsp. 312
Axially symmetric stress pathsp. 314
One-dimensional compression of soilp. 314
One-dimensional unloading of soilp. 320
Fluctuation of water tablep. 327
Elements on centreline beneath circular loadp. 328
Plane strain stress pathsp. 330
One-dimensional compression and unloadingp. 330
Elements beneath long embankmentp. 331
Elements adjacent to long excavationp. 333
Element in long slopep. 335
General stress pathsp. 336
Undrained strength of soil in various testsp. 337
Modes of undrained deformationp. 337
Undrained strengths: Cam clay modelp. 342
Conclusionp. 351
Exercisesp. 351
Applications of elastic-plastic modelsp. 354
Introductionp. 354
Circular load on soft clay foundationp. 355
Yielding and generation of pore pressurep. 355
Yielding and immediate settlementp. 365
Yielding and coefficient of consolidationp. 369
Yielding and long-term settlementp. 372
Finite element analyses of geotechnical problemsp. 376
Inhomogeneities within a triaxial test specimenp. 377
Centrifuge model of embankment on soft clayp. 382
Experimental embankment on soft clay at Cubzac-les-Pontsp. 393
Conclusionp. 408
Exercisesp. 409
Beyond the simple modelsp. 414
Introduction: purpose of modelsp. 414
Effects of timep. 414
Inelastic elastic responsep. 422
Evolution of yield locip. 434
Concluding remarks: applicable modelsp. 444
Referencesp. 448
Indexp. 459
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780521337823
ISBN-10: 0521337828
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 488
Published: 9th September 1991
Country of Publication: GB
Dimensions (cm): 22.94 x 15.32  x 3.05
Weight (kg): 0.77

Earn 191 Qantas Points
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