Fundamentals of geotechnical engineering

Now, the essential components of Braja Das' market leading texts, PRINCIPLES OF GEOTECHNICAL ENGINEERING and PRINCIPLES OF FOUNDATION ENGINEERING, are combined in one book. The new book is divided into 13 chapters including the fundamental concepts of soil mechanics and foundation engineering. This excellent new text provides junior/senior level students and practitioners the essential background necessary to understand soil mechanics and foundation engineering.

Chapter 1 Soil Deposits and Grain-Size Analysis	p. 1
1.1 Introduction	p. 1
1.2 Natural Soil Deposits	p. 1
1.3 Soil-Particle Size	p. 2
1.4 Clay Minerals	p. 3
1.5 Specific Gravity (G[subscript s])	p. 7
1.6 Mechanical Analysis of Soil	p. 7
1.7 Effective Size, Uniformity Coefficient, and Coefficient of Gradation	p. 12
Problems	p. 14
References	p. 16
Chapter 2 Weight-Volume Relationships, Plasticity, and Soil Classification	p. 17
2.1 Weight-Volume Relationships	p. 17
2.2 Relationships Among Unit Weight, Void Ratio, Moisture Content, and Specific Gravity	p. 20
2.3 Relative Density	p. 23
2.4 Consistency of Soil	p. 27
2.5 Activity	p. 32
2.6 Liquidity Index	p. 33
2.7 Plasticity Chart	p. 34
2.8 Soil Classification	p. 35
Problems	p. 46
References	p. 49
Chapter 3 Soil Compaction	p. 51
3.1 Compaction--General Principles	p. 51
3.2 Standard Proctor Test	p. 52
3.3 Factors Affecting Compaction	p. 55
3.4 Modified Proctor Test	p. 59
3.5 Structure of Compacted Cohesive Soil	p. 63
3.6 Field Compaction	p. 64
3.7 Specifications for Field Compaction	p. 69
3.8 Determination of Field Unit Weight After Compaction	p. 71
Problems	p. 76
References	p. 78
Chapter 4 Movement of Water Through Soil--Hydraulic Conductivity and Seepage	p. 79
Hydraulic Conductivity	p. 79
4.1 Bernoulli's Equation	p. 79
4.2 Darcy's Law	p. 82
4.3 Hydraulic Conductivity	p. 83
4.4 Laboratory Determination of Hydraulic Conductivity	p. 84
4.5 Empirical Relations for Hydraulic Conductivity	p. 91
4.6 Permeability Test in the Field by Pumping from Wells	p. 94
Seepage	p. 97
4.7 Laplace's Equation of Continuity	p. 97
4.8 Flow Nets	p. 99
4.9 Capillary Rise in Soil	p. 105
Problems	p. 107
References	p. 111
Chapter 5 Stresses in a Soil Mass	p. 113
Effective Stress Concept	p. 113
5.1 Stresses in Saturated Soil without Seepage	p. 113
5.2 Stresses in Saturated Soil with Seepage	p. 117
5.3 Effective Stress in Partially Saturated Soil	p. 121
Vertical Stress Increase Due to Various Types of Loading	p. 122
5.4 Stress Caused by a Point Load	p. 122
5.5 Vertical Stress Caused by a Line Load	p. 125
5.6 Vertical Stress Caused by a Strip Load (Finite Width and Infinite Length)	p. 129
5.7 Vertical Stress Below the Center of a Uniformly Loaded Circular Area	p. 132
5.8 Vertical Stress Caused by a Rectangularly Loaded Area	p. 134
5.9 Influence Chart for Vertical Pressure	p. 141
Problems	p. 143
References	p. 149
Chapter 6 Consolidation	p. 151
6.1 Fundamentals of Consolidation	p. 151
6.2 One-Dimensional Laboratory Consolidation Test	p. 154
6.3 Void Ratio-Pressure Plots	p. 155
6.4 Normally Consolidated and Overconsolidated Clays	p. 159
6.5 Effect of Disturbance on Void Ratio-Pressure Relationship	p. 161
6.6 Calculation of Settlement from One-Dimensional Primary Consolidation	p. 163
6.7 Compression Index (C[subscript c])	p. 165
6.8 Swell Index (C[subscript s])	p. 166
6.9 Settlement from Secondary Consolidation	p. 170
6.10 Time Rate of Consolidation	p. 174
6.11 Coefficient of Consolidation	p. 180
6.12 Calculation of Primary Consolidation Settlement Under a Foundation	p. 186
6.13 Precompression--General Considerations	p. 189
6.14 Sand Drains	p. 194
Problems	p. 200
References	p. 206
Chapter 7 Shear Strength of Soil	p. 207
7.1 Mohr-Coulomb Failure Criteria	p. 207
7.2 Inclination of the Plane of Failure Caused by Shear	p. 209
7.3 Shear Failure Law in Saturated Soil	p. 211
Laboratory Determination of Shear Strength Parameters	p. 211
7.4 Direct Shear Test	p. 212
7.5 Drained Direct Shear Test on Saturated Sand and Clay	p. 216
7.6 Triaxial Shear Test	p. 217
7.7 Consolidated-Drained Test	p. 219
7.8 Consolidated-Undrained Test	p. 227
7.9 Unconsolidated-Undrained Test	p. 232
7.10 Unconfined Compression Test on Saturated Clay	p. 234
7.11 Sensitivity and Thixotropy of Clay	p. 236
7.12 Vane Shear Test	p. 238
7.13 Empirical Relationships Between Undrained Cohesion (c[subscript u]) and Effective Overburden Pressure ([sigma][subscript o]')	p. 242
Problems	p. 243
References	p. 246
Chapter 8 Subsurface Exploration	p. 249
8.1 Subsurface Exploration Program	p. 249
8.2 Exploratory Borings in the Field	p. 252
8.3 Procedures for Sampling Soil	p. 255
8.4 Observation of Water Levels	p. 264
8.5 Vane Shear Test	p. 266
8.6 Cone Penetration Test	p. 269
8.7 Pressuremeter Test (PMT)	p. 274
8.8 Dilatometer Test	p. 276
8.9 Coring of Rocks	p. 279
8.10 Preparation of Boring Logs	p. 282
8.11 Soil Exploration Report	p. 284
Problems	p. 284
References	p. 289
Chapter 9 Lateral Earth Pressure	p. 291
9.1 Earth Pressure at Rest	p. 291
9.2 Rankine's Theory of Active and Passive Earth Pressures	p. 295
9.3 Diagrams for Lateral Earth Pressure Distribution Against Retaining Walls	p. 305
9.4 Retaining Walls with Friction	p. 322
9.5 Coulomb's Earth Pressure Theory	p. 324
9.6 Approximate Analysis of Active Force on Retaining Walls	p. 332
Problems	p. 334
References	p. 338
Chapter 10 Slope Stability	p. 339
10.1 Factor of Safety	p. 339
10.2 Stability of Infinite Slopes without Seepage	p. 341
10.3 Stability of Infinite Slopes with Seepage	p. 344
10.4 Finite Slopes	p. 347
10.5 Analysis of Finite Slope with Circularly Cylindrical Failure Surface--General	p. 351
10.6 Mass Procedure of Stability Analysis (Circularly Cylindrical Failure Surface)	p. 353
10.7 Method of Slices	p. 368
10.8 Stability Analysis by Method of Slices for Steady-State Seepage	p. 374
10.9 Bishop and Morgenstern's Solution for Stability of Simple Slopes with Seepage	p. 375
Problems	p. 380
References	p. 386
Chapter 11 Shallow Foundations--Bearing Capacity and Settlement	p. 389
Ultimate Bearing Capacity of Shallow Foundations	p. 391
11.1 General Concepts	p. 391
11.2 Ultimate Bearing Capacity Theory	p. 393
11.3 Modification of Bearing Capacity Equations for Water Table	p. 396
11.4 The Factor of Safety	p. 398
11.5 Eccentrically Loaded Foundations	p. 401
Settlement of Shallow Foundations	p. 412
11.6 Types of Foundation Settlement	p. 412
11.7 Immediate Settlement	p. 412
11.8 Immediate Settlement of Foundations on Saturated Clay	p. 414
11.9 Range of Material Parameters for Computing Immediate Settlement	p. 416
11.10 Allowable Bearing Pressure in Sand Based on Settlement Consideration	p. 417
11.11 Field Load Test	p. 418
11.12 Presumptive Bearing Capacity	p. 422
11.13 Tolerable Settlement of Buildings	p. 422
Mat Foundations	p. 425
11.14 Combined Footing and Mat Foundation	p. 425
11.15 Common Types of Mat Foundations	p. 429
11.16 Bearing Capacity of Mat Foundations	p. 430
11.17 Compensated Foundations	p. 433
Problems	p. 436
References	p. 441
Chapter 12 Retaining Walls and Braced Cuts	p. 445
Retaining Walls	p. 445
12.1 Retaining Walls--General	p. 445
12.2 Proportioning Retaining Walls	p. 447
12.3 Application of Lateral Earth Pressure Theories to Design	p. 448
12.4 Check for Overturning	p. 450
12.5 Check for Sliding Along the Base	p. 453
12.6 Check for Bearing Capacity Failure	p. 456
12.7 Comments Relating to Stability	p. 464
12.8 Drainage from the Backfill of the Retaining Wall	p. 465
12.9 Provision of Joints in Retaining-Wall Construction	p. 465
Braced Cuts	p. 467
12.10 Braced Cuts--General	p. 467
12.11 Lateral Earth Pressure in Braced Cuts	p. 469
12.12 Soil Parameters for Cuts in Layered Soil	p. 474
12.13 Design of Various Components of a Braced Cut	p. 475
12.14 Heave of the Bottom of a Cut in Clay	p. 481
12.15 Lateral Yielding of Sheet Piles and Ground Settlement	p. 487
Problems	p. 489
References	p. 493
Chapter 13 Deep Foundations--Piles and Drilled Shafts	p. 495
Pile Foundations	p. 495
13.1 Need for Pile Foundations	p. 495
13.2 Types of Piles and Their Structural Characteristics	p. 497
13.3 Estimation of Pile Length	p. 506
13.4 Installation of Piles	p. 508
13.5 Load Transfer Mechanism	p. 509
13.6 Equations for Estimation of Pile Capacity	p. 511
13.7 Load-Carrying Capacity of Pile Point Resting on Rock	p. 525
13.8 Settlement of Piles	p. 527
13.9 Pile-Driving Formulas	p. 530
13.10 Stress on Piles During Pile Driving	p. 535
13.11 Pile Load Tests	p. 537
13.12 Negative Skin Friction	p. 539
13.13 Group Piles--Efficiency	p. 542
13.14 Elastic Settlement of Group Piles	p. 548
13.15 Consolidation Settlement of Group Piles	p. 549
Drilled Shafts	p. 552
13.16 Types of Drilled Shafts	p. 553
13.17 Construction Procedures	p. 554
13.18 Estimation of Load-Bearing Capacity	p. 557
13.19 Settlement of Drilled Shafts at Working Load	p. 564
13.20 Reese and O'Neill's Method for Calculating Load-Bearing Capacity	p. 564
Problems	p. 573
References	p. 579
Answers to Selected Problems	p. 581
Index	p. 587

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