Geotechnical Engineering A Practical Problem

This textbook covers all of the major geotechnical topics in the simplest possible way adopting a hands-on approach with a very strong practical bias. You will learn the material through several worked examples that are representative of realistic field situations whereby geotechnical engineering principles are applied to solve real-life problems.

Dr. Nagaratnam Sivakugan is Associate Professor and Head of Civil & Environmental Engineering at the School of Engineering and Physical Sciences, James Cook University, Australia. He graduated from the University of Peradeniya, Sri Lanka with First Class Honors, and received his MSCE and Ph.D. from Purdue University. As a Chartered Professional Engineer and Registered Professional Engineer of Queensland, he does substantial consulting work for geotechnical and mining companies throughout Australia and internationally. He is a Fellow of Engineers Australia. Dr. Sivakugan has published more than 50 scientific and technical papers in refereed international journals, and 50 more in refereed international conference proceedings. Dr. Braja M. Das, Professor and Dean Emeritus, California State University, Sacramento, is presently a Geotechnical Consulting Engineer in the State of Nevada. He earned his M.S. in Civil Engineering from the University of Iowa and Ph.D. in Geotechnical Engineering from the University of Wisconsin, Madison. He is a Fellow of the American Society of Civil Engineers and is a registered professional engineer. He is the author of geotechnical engineering texts and reference books including Principles of Geotechnical Engineering, Principles of Foundation Engineering, Fundamentals of Geotechnical Engineering, and Introduction to Geotechnical Engineering. Dr. Das has served on the editorial boards of several international journals and is currently the Editor-in-Chief of the International Journal of Geotechnical Engineering. He has authored more than 250 technical papers in the area of geotechnical engineering.

Preface	p. ix
About the Authors	p. xi
WAVÖ	p. xiii
Introduction	p. 1
General	p. 1
Soils	p. 1
Applications	p. 3
Soil Testing	p. 3
Geotechnical Literature	p. 4
Numerical Modeling	p. 6
Review Exercises	p. 8
Phase Relations	p. 11
Introduction	p. 11
Definitions	p. 11
Phase Relations	p. 13
Worked Examples	p. 16
Review Exercises	p. 22
Soil Classification	p. 27
Introduction	p. 27
Coarse-Grained Soils	p. 27
Fine-Grained Soils	p. 32
Soil Classification	p. 37
Worked Examples	p. 41
Review Exercises	p. 44
Compaction	p. 49
Introduction	p. 49
Variables in Compaction	p. 50
Laboratory Tests	p. 52
Field Compaction, Specification, and Control	p. 55
Worked Examples	p. 59
Review Exercises	p. 62
Effective Stress, Total Stress, and Pore Water Pressure	p. 65
Introduction	p. 65
Effective Stress Principle	p. 65
Vertical Normal Stresses Due to Overburden	p. 66
Capillary Effects in Soils	p. 68
Worked Examples	p. 70
Review Exercises	p. 71
Permeability and Seepage	p. 73
Introduction	p. 73
Bernoulli's Equation	p. 73
Darcy'sLaw	p. 76
Laboratory and Field Permeability Tests	p. 77
Stresses in Soils Due to Flow	p. 81
Seepage	p. 82
Design of Granular Filters	p. 86
Equivalent Permeabilities for One-dimensional Flow	p. 87
Seepage Analysis Using SEEP/W	p. 89
Worked Examples	p. 94
Review Exercises	p. 103
Vertical Stresses Beneath Loaded Areas	p. 115
Introduction	p. 115
Stresses Due to Point Loads	p. 116
Stresses Due to Line Loads	p. 118
Stresses Under the Corner of a Uniform Rectangular Load	p. 118
2:1 Distribution Method	p. 123
Pressure Isobars Under Flexible Uniform Loads	p. 124
Newmark's Chart	p. 124
Stress Computations Using SIGMA/W	p. 129
Worked Examples	p. 133
Review Exercises	p. 136
Consolidation	p. 139
Introduction	p. 139
One-dimensional Consolidation	p. 140
Consolidation Test	p. 143
Computation of Final Consolidation Settlement	p. 150
Time Rate of Consolidation	p. 153
Secondary Compression	p. 159
Worked Examples	p. 165
Review Exercises	p. 175
Shear Strength	p. 181
Introduction	p. 181
Mohr Circles	p. 181
Mohr-Coulomb Failure Criterion	p. 186
A Common Loading Situation	p. 187
Mohr Circles and Failure Envelopes in Terms of a and a'	p. 190
Drained and Undrained Loading Situations	p. 191
Triaxial Test	p. 193
Direct Shear Test	p. 200
Skemptons Pore Pressure Parameters	p. 202
¿₁ - ¿₃ Relationship at Failure	p. 205
Stress Paths	p. 206
Worked Examples	p. 210
Review Exercises	p. 217
Lateral Earth Pressures	p. 225
Introduction	p. 225
At-rest State	p. 226
Rankine's Earth Pressure Theory	p. 230
Coulomb's Earth Pressure Theory	p. 237
Worked Examples	p. 240
Review Exercises	p. 246
Site Investigation	p. 251
Introduction	p. 251
Drilling and Sampling	p. 253
In Situ Tests	p. 257
Laboratory Tests	p. 276
Site Investigation Report	p. 276
Worked Examples	p. 280
Review Exercises	p. 283
Shallow Foundations	p. 289
Introduction	p. 289
Design Criteria	p. 290
Bearing Capacity of a Shallow Foundation	p. 291
Pressure Distributions Beneath Eccentrically Loaded Footings	p. 301
Introduction to Raft Foundation Design	p. 304
Settlement in a Granular Soil	p. 310
Settlement in a Cohesive Soil	p. 319
Worked Examples	p. 325
Review Exercises	p. 334
Deep Foundations	p. 341
Introduction	p. 341
Pile Materials	p. 342
Pile Installation	p. 345
Load Carrying Capacity of a Pile-Static Analysts	p. 347
Pile-Driving Formulae	p. 354
Pile Load Test	p. 355
Settlement of a Pile	p. 357
Pile Group	p. 361
Worked Examples	p. 365
Review Exercises	p. 373
Earth Retaining Structures	p. 377
Introduction	p. 377
Design of Retaining Walls	p. 379
Cantilever Sheet Piles	p. 385
Anchored Sheet Piles	p. 395
Braced Excavations	p. 399
Worked Examples	p. 404
Review Exercises	p. 415
Slope Stability	p. 421
Introduction	p. 421
Slope Failure and Safety Factor	p. 422
Stability of Homogeneous Undrained Slopes	p. 423
Taylor's Stability Charts for c′-¿′ Soils	p. 427
Infinite Slopes	p. 429
Method of Slices	p. 432
Stability Analysis Using SLOPE/W	p. 435
Worked Examples	p. 443
Review Exercises	p. 449
Vibrations of Foundations	p. 453
Introduction	p. 453
Vibration Theory-General	p. 454
Shear Modulus and Poisson's Ratio	p. 463
Vertical Vibration of Foundations- Analog Solution	p. 465
Rocking Vibration of Foundations	p. 469
Sliding Vibration of Foundations	p. 475
Torsional Vibration of Foundations	p. 478
Review Exercises	p. 483
Index	p. 487
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Geotechnical Engineering A Practical Problem Solving Approach

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