Soil mechanics fundamentals

Preface The Authors 1. Introduction Soil Mechanics and Related Fields Dr. Karl von Terzaghi Uniqueness of Soils Approaches to Soil Mechanics Problems Examples of Soil Mechanics Problems Organization of Contents References  2. Physical Properties of Soils Introduction  Origin of Soils  Soil Particle Shapes  Definitions of Terms with Three-Phase Diagram  Particle Size and Gradation Summary References Problems  3. Clays and Their Behavior  Introduction  Clay Minerals Clay Shapes and Surface Areas Surface Charge of Clay Particles Clay-Water System. Interaction of Clay Particles. Clay Structures Atterberg Limits and Indices  Activity Swelling and Shrinkage of Clays Sensitivity and Quick Clay Clay versus Sand  Summary  References Problems4. Soil Classification  Introduction  Unified Soil Classification System (USCS)  AASHTO Classification System Summary References  Problems  5. Compaction Introduction  Relative Density  Laboratory Compaction Test Specification of Compaction in the Field Field Compaction Methods  Field Density Determinations California Bearing Ratio (CBR) Test Summary References  Problems  6. Flow of Water through Soils Introduction Hydraulic Heads and Water Flow Darcy's Equation Coefficient of Permeability  Laboratory Determination of Coefficient of Permeability Field Determination of Coefficient of Permeability Flow Net Boundary Water Pressures  Summary  References  Problems  7. Effective Stress  Introduction  Total Stress versus Effective Stress  Effective Stress Computations in Soil Mass  Effective Stress Change due to Water Table Change  Capillary Rise and Effective Stress  Effective Stress with Water Flow  Quicksand (Sand Boiling) Heave of Clay due to Excavation  Summary  References  Problems  8. Stress Increments in Soil Mass  Introduction  2:1 Approximate Slope Method  Vertical Stress Increment due to a Point Load  Vertical Stress Increment due to a Line Load  Vertical Stress Increment due to a Strip Load  Vertical Stress Increment under a Circular Footing  Vertical Stress Increment under an Embankment Load  Vertical Stress Increment under Corner of Rectangular Footing  Vertical Stress Increment under Irregularly Shaped Footing  Summary  References  Problems  9. Settlements  Introduction  Elastic Settlements  Primary Consolidation Settlement  One-Dimensional Primary Consolidation Model  Terzaghi's Consolidation Theory  Laboratory Consolidation Test  Determination of Cv  e-log sigma Curve Normally Consolidated and Overconsolidated Soils  Final Consolidation Settlement for Thin Clay Layer  Consolidation Settlement for Multilayers or a Thick Clay Layer  Summary of Primary Consolidation Computations  Secondary Compression  Allowable Settlement  Ground Improving Techniques Against Consolidation Settlement  Summary  References  Problems  10. Mohr's Circle in Soil Mechanics Introduction Concept of Mohr's Circle Stress Transformation Mohr's Circle Construction  Sign Convention of Shear Stress  Pole (Origin of Planes) of Mohr's Circle  Summary of Usage of Mohr's Circle and Pole  Examples of Usage of Mohr's Circle and Pole in Soil Mechanics  Summary Reference  Problems  11. Shear Strength of Soils Introduction Failure Criteria Direct Shear Test Unconfined Compression Test  Triaxial Compression Test  Other Shear Test Devices Summary of Strength Parameters for Saturated Clays Applications of Strength Parameters from CD, CU, and UU Tests to In Situ Cases Strength Parameters for Granular Soils  Direction of Failure Planes in Sheared Specimen  Summary  References  Problems 12. Lateral Earth Pressure  Introduction  At-Rest, Active, and Passive Pressures  At-Rest Earth Pressure Rankine's Lateral Earth Pressure Theory Coulomb's Earth Pressure  Lateral Earth Pressure due to Surcharge Load  Coulomb, Rankine, or Other Pressures? Summary References Problems  13. Bearing Capacity Introduction  Terzaghi's Bearing Capacity Theory  Generalized Bearing Capacity Equation Correction due to Water Table Elevation  Gross versus Net Bearing Capacity Factor of Safety on Bearing Capacity Summary References  Problems  Numerical Answers to Selected Problems Subject Index  Author Index  Unit Conversion Table