Rent 9780534933753 | PRINCIPLES OF GEOTECHNICAL ENGINEERING 3E

Summary Table of Contents

Braja M. Das' PRINCIPLES OF GEOTECHNICAL ENGINEERING provides civil engineering students and professionals with an overview of soil properties and mechanics, combined with a study of field practices and basic soil engineering procedures. Through four editions, this book has distinguished itself by its exceptionally clear theoretical explanations, realistic worked examples, thorough discussions of field testing methods, and extensive problem sets, making this book a leader in its field. Das's goal in revising this best-seller has been to reorgan... MORE

Geotechnical Engineering--A Historical Perspective	p. 1
Geotechnical Engineering Prior to the 18th Century	p. 1
Pre-Classical Period of Soil Mechanics (1700-1776)	p. 4
Classical Soil Mechanics--Phase I (1776-1856)	p. 5
Classical Soil Mechanics--Phase II (1856-1910)	p. 5
Modern Soil Mechanics	p. 6
Geotechnical Engineering After 1927	p. 6
References	p.... MORE 11
Origin of Soil and Grain Size	p. 13
Rock Cycle and the Origin of Soil	p. 13
Soil-Particle Size	p. 20
Clay Minerals	p. 21
Specific Gravity (G[subscript s])	p. 28
Mechanical Analysis of Soil	p. 29
Particle-Size Distribution Curve	p. 36
Particle Shape	p. 40
Summary	p. 42
Problems	p. 42
References	p. 44
Weight--Volume Relationships, Plasticity, and Structure of Soil	p. 45
Weight--Volume Relationships	p. 45
Relationships Among Unit Weight, Void Ratio, Moisture Content, and Specific Gravity	p. 48
Relationships Among Unit Weight, Porosity, and Moisture Content	p. 51
Various Unit-Weight Relationships	p. 53
Relative Density	p. 58
Consistency of Soil--Atterberg Limits	p. 61
Liquid Limit (LL)	p. 61
Plastic Limit (PL)	p. 65
Shrinkage Limit (SL)	p. 68
Liquidity Index and Consistency Index	p. 70
Activity	p. 71
Plasticity Chart	p. 72
Soil Structure	p. 73
Summary	p. 78
Problems	p. 78
References	p. 81
Engineering Classification of Soil	p. 83
AASHTO Classification System	p. 83
Unified Soil Classification System	p. 87
Summary and Comparison Between the AASHTO and Unified Systems	p. 95
Problems	p. 98
References	p. 99
Soil Compaction	p. 100
Compaction--General Principles	p. 100
Standard Proctor Test	p. 101
Factors Affecting Compaction	p. 104
Modified Proctor Test	p. 107
Structure of Compacted Clay Soil	p. 110
Field Compaction	p. 113
Specifications for Field Compaction	p. 116
Determination of Field Unit Weight of Compaction	p. 120
Compaction of Organic Soil and Waste Materials	p. 125
Special Compaction Techniques	p. 129
Summary and General Comments	p. 135
Problems	p. 135
References	p. 137
Permeability	p. 139
Bernoulli's Equation	p. 139
Darcy's Law	p. 141
Hydraulic Conductivity	p. 143
Laboratory Determination of Hydraulic Conductivity	p. 145
Empirical Relations for Hydraulic Conductivity	p. 150
Directional Variation of Permeability	p. 155
Equivalent Hydraulic Conductivity in Stratified Soil	p. 157
Hydraulic Conductivity of Compacted Clayey Soils	p. 160
Considerations for Hydraulic Conductivity of Clayey Soils in Field Compaction	p. 162
Moisture Content--Unit Weight Criteria for Clay Liner Construction	p. 164
Permeability Test in the Field by Pumping from Wells	p. 164
In Situ Hydraulic Conductivity of Compacted Clay Soils	p. 168
Summary and General Comments	p. 172
Problems	p. 172
References	p. 176
Seepage	p. 178
Laplace's Equation of Continuity	p. 178
Continuity Equation for Solution of Simple Flow Problems	p. 180
Flow Nets	p. 183
Seepage Calculation from a Flow Net	p. 185
Flow Nets in Anisotropic Soil	p. 189
Mathematical Solution for Seepage	p. 191
Uplift Pressure Under Hydraulic Structures	p. 191
Seepage Through an Earth Dam on an Impervious Base	p. 193
L. Casagrande's Solution for Seepage Through an Earth Dam	p. 195
Summary	p. 197
Problems	p. 197
References	p. 198
In Situ Stresses	p. 199
Stresses in Saturated Soil without Seepage	p. 199
Stresses in Saturated Soil with Upward Seepage	p. 204
Stresses in Saturated Soil with Downward Seepage	p. 206
Seepage Force	p. 208
Use of Filters to Increase the Factor of Safety Against Heave	p. 213
Selection of Filter Material	p. 214
Capillary Rise in Soils	p. 215
Effective Stress in the Zone of Capillary Rise	p. 218
Summary and General Comments	p. 219
Problems	p. 220
References	p. 223
Stresses in a Soil Mass	p. 224
Normal and Shear Stresses on a Plane	p. 224
Stress Caused by a Point Load	p. 229
Vertical Stress Caused by a Line Load	p. 231
Vertical Stress Caused by a Strip Load (Finite Width and Infinite Length)	p. 234
Vertical Stress Due to Embankment Loading	p. 237
Vertical Stress Below the Center of a Uniformly Loaded Circular Area	p. 241
Vertical Stress at Any Point below a Uniformly Loaded Circular Area	p. 242
Vertical Stress Caused by a Rectangularly Loaded Area	p. 242
Influence Chart for Vertical Pressure	p. 251
Summary and General Comments	p. 254
Problems	p. 254
References	p. 258
Compressibility of Soil	p. 259
Contact Pressure and Settlement Profile	p. 259
Relations for Immediate Settlement Calculation	p. 261
Improved Relationship for Immediate Settlement	p. 263
Fundamentals of Consolidation	p. 268
One-Dimensional Laboratory Consolidation Test	p. 271
Void Ratio-Pressure Plots	p. 273
Normally Consolidated and Overconsolidated Clays	p. 274
Effect of Disturbance on Void Ratio-Pressure Relationship	p. 277
Calculation of Settlement from One-Dimensional Primary Consolidation	p. 280
Compression Index (C[subscript c]) and Swell Index (C[subscript s])	p. 281
Secondary Consolidation Settlement	p. 285
Time Rate of Consolidation	p. 287
Coefficient of Consolidation	p. 292
Calculation of Consolidation Settlement Under a Foundation	p. 300
Method of Accelerating Consolidation Settlement	p. 302
Summary and General Comments	p. 304
Problems	p. 305
References	p. 309
Shear Strength of Soil	p. 311
Mohr-Coulomb Failure Criterion	p. 311
Inclination of the Plane of Failure Caused by Shear	p. 313
Laboratory Tests for Determination of Shear Strength Parameters	p. 314
Direct Shear Test	p. 315
Drained Direct Shear Test on Saturated Sand and Clay	p. 318
General Comments on Direct Shear Test	p. 320
Triaxial Shear Test--General	p. 323
Consolidated-Drained Triaxial Test	p. 324
Consolidated-Undrained Triaxial Test	p. 332
Unconsolidated-Undrained Triaxial Test	p. 337
Unconfined Compression Test on Saturated Clay	p. 339
Stress Path	p. 340
Vane Shear Test	p. 346
Other Methods for Determining Undrained Shear Strength	p. 350
Sensitivity and Thixotropy of Clay	p. 350
Empirical Relationships Between Undrained Cohesion (c[subscript u]) and Effective Overburden Pressure ([sigma]'[subscript o])	p. 354
Shear Strength of Unsaturated Cohesive Soils	p. 356
Summary and General Comments	p. 357
Problems	p. 358
References	p. 363
Lateral Earth Pressure: At-Rest, Rankine, and Coulomb	p. 364
At-Rest, Active, and Passive Pressures	p. 364
Earth Pressure at Rest	p. 366
Earth Pressure at Rest for Partially Submerged Soil	p. 368
Lateral Pressure on Retaining Walls from Surcharges--Based on Theory of Elasticity	p. 371
Rankine's Theory of Active Pressure	p. 374
Theory of Rankine's Passive Pressure	p. 377
Yielding of Wall of Limited Height	p. 378
Diagrams for Lateral Earth Pressure Distribution Against Retaining Walls	p. 380
Rankine Active and Passive Pressure with Sloping Backfill	p. 392
Coulomb's Active Pressure	p. 396
Graphic Solution for Coulomb's Active Earth Pressure	p. 398
Active Force on Retaining Walls with Earthquake Forces	p. 402
P[subscript ae] for c'-[phi]' Soil Backfill	p. 407
Coulomb's Passive Pressure	p. 411
Passive Force on Retaining Walls with Earthquake Forces	p. 413
Summary and General Comments	p. 414
Problems	p. 415
References	p. 419
Lateral Earth Pressure--Curved Failure Surface	p. 420
Retaining Walls with Friction	p. 420
Properties of a Logarithmic Spiral	p. 422
Procedure for Determination of Passive Earth Pressure, P[subscript p] (Cohesionless Backfill)	p. 424
Coefficient of Passive Earth Pressure, K[subscript p]	p. 426
Passive Force on Walls with Earthquake Forces	p. 428
Braced Cuts--General	p. 430
Determination of Active Thrust on Bracing Systems of Open Cuts in Granular Soil	p. 434
Determination of Active Thrust on Bracing Systems for Cuts in Cohesive Soil	p. 437
Pressure Variation for Design of Sheetings, Struts, and Wales	p. 438
Dynamic Earth Pressure Distribution Behind a Wall Rotating About the Top	p. 441
Summary	p. 442
Problems	p. 442
References	p. 444
Slope Stability	p. 445
Factor of Safety	p. 447
Stability of Infinite Slopes	p. 448
Finite Slopes--General	p. 453
Analysis of Finite Slopes with Plane Failure Surfaces (Culmann's Method)	p. 454
Analysis of Finite Slopes with Circular Failure Surfaces--General	p. 457
Mass Procedure--Slopes in Homogeneous Clay Soil with [phi] = 0	p. 458
Mass Procedure for Stability of Saturated Clay Slopes ([phi] = 0 condition) with Earthquake Forces	p. 463
Mass Procedure--Slopes in Homogeneous c'-[phi]' Soil	p. 466
Ordinary Method of Slices	p. 472
Bishop's Simplified Method of Slices	p. 476
Stability Analysis by Method of Slices for Steady State Seepage	p. 477
Morgenstern's Method of Slices for Rapid Drawdown Condition	p. 485
Cousin's Charts	p. 488
Fluctuation of Factor of Safety of Slopes in Clay Embankment on Saturated Clay	p. 492
Summary and General Comments	p. 495
Problems	p. 497
References	p. 502
Soil-Bearing Capacity for Shallow Foundations	p. 503
Ultimate Soil-Bearing Capacity for Shallow Foundations	p. 504
Terzaghi's Ultimate Bearing Capacity Equation	p. 506
General Bearing Capacity Equation	p. 512
Effect of Ground Water Table	p. 516
Factor of Safety	p. 517
Ultimate Load for Shallow Foundations Under Eccentric Load	p. 523
Bearing Capacity of Sand Based on Settlement	p. 526
Plate Load Test	p. 528
Ultimate Bearing Capacity on Layered Soil	p. 530
Summary and General Comments	p. 538
Problems	p. 538
References	p. 542
Landfill Liners and Geosynthetics	p. 544
Landfill Liners--Overview	p. 544
Geosynthetics	p. 545
Geotextiles	p. 545
Geomembranes	p. 548
Geonets	p. 550
Single Clay Liner and Single Geomembrane Liner Systems	p. 551
Recent Advances in the Liner Systems for Landfills	p. 552
Leachate Removal Systems	p. 553
Closure of Landfills	p. 555
Summary and General Comments	p. 556
References	p. 557
Subsoil Exploration	p. 558
Planning for Soil Exploration	p. 558
Boring Methods	p. 560
Common Sampling Methods	p. 563
Sample Disturbance	p. 566
Correlations for Standard Penetration Test	p. 566
Other In Situ Tests	p. 570
Rock Coring	p. 573
Soil Exploration Report	p. 575
Problems	p. 577
References	p. 578
Answers to Selected Problems	p. 581
Index	p. 585
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