| |

| |

List of Tables | |

| |

| |

List of Figures | |

| |

| |

Preface | |

| |

| |

| |

Soil Aggregate, Plasticity, and Classification | |

| |

| |

| |

Introduction | |

| |

| |

| |

Soil-separate size limits | |

| |

| |

| |

Clay minerals | |

| |

| |

| |

Nature of water in clay | |

| |

| |

| |

Repulsive potential | |

| |

| |

| |

Repulsive pressure | |

| |

| |

| |

Flocculation and dispersion of clay particles | |

| |

| |

| |

Consistency of cohesive soils | |

| |

| |

| |

Liquidity index | |

| |

| |

| |

Activity | |

| |

| |

| |

Grain-size distribution of soil | |

| |

| |

| |

Weight-volume relationships | |

| |

| |

| |

Relative density and relative compaction | |

| |

| |

| |

Effect of roundness and nonplastic fines on e[subscript max] and e[subscript min] for granular soils | |

| |

| |

| |

Unified soil classification system | |

| |

| |

| |

Stresses and Strains-Elastic Equilibrium | |

| |

| |

| |

Introduction | |

| |

| |

| |

Basic definition and sign conventions for stresses | |

| |

| |

| |

Equations of static equilibrium | |

| |

| |

| |

Concept of strain | |

| |

| |

| |

Hooke's law | |

| |

| |

| |

Plane strain problems | |

| |

| |

| |

Equations of compatibility for three-dimensional problems | |

| |

| |

| |

Stresses on an inclined plane and principal stresses for plane strain problems | |

| |

| |

| |

Strains on an inclined plane and principal strain for plane strain problems | |

| |

| |

| |

Stress components on an inclined plane, principal stress, and octahedral stresses-three-dimensional case | |

| |

| |

| |

Strain components on an inclined plane, principal strain, and octahedral strain-three-dimensional case | |

| |

| |

| |

Stresses and Displacements in a Soil Mass | |

| |

| |

| |

Introduction | |

| |

| |

Two-Dimensional Problems | |

| |

| |

| |

Vertical line load on the surface | |

| |

| |

| |

Vertical line load on the surface of a finite layer | |

| |

| |

| |

Vertical line load inside a semi-infinite mass | |

| |

| |

| |

Horizontal line load on the surface | |

| |

| |

| |

Horizontal line load inside a semi-infinite mass | |

| |

| |

| |

Uniform vertical loading on an infinite strip on the surface | |

| |

| |

| |

Uniform strip load inside a semi-infinite mass | |

| |

| |

| |

Uniform horizontal loading on an infinite strip on the surface | |

| |

| |

| |

Triangular normal loading on an infinite strip on the surface | |

| |

| |

| |

Vertical stress in a semi-infinite mass due to embankment loading | |

| |

| |

Three-Dimensional Problems | |

| |

| |

| |

Stresses due to a vertical point load on the surface | |

| |

| |

| |

Deflection due to a concentrated point load at the surface | |

| |

| |

| |

Horizontal point load on the surface | |

| |

| |

| |

Stresses below a circularly loaded flexible area (uniform vertical load) | |

| |

| |

| |

Vertical displacement due to uniformly loaded circular area at the surface | |

| |

| |

| |

Vertical stress below a rectangular loaded area on the surface | |

| |

| |

| |

Deflection due to a uniformly loaded flexible rectangular area | |

| |

| |

| |

Stresses in a layered medium | |

| |

| |

| |

Vertical stress at the interface of a three-layer flexible system | |

| |

| |

| |

Distribution of contact stress over footings | |

| |

| |

| |

Reliability of stress calculation using the theory of elasticity | |

| |

| |

| |

Pore Water Pressure Due to Undrained Loading | |

| |

| |

| |

Introduction | |

| |

| |

| |

Pore water pressure developed due to isotropic stress application | |

| |

| |

| |

Pore water pressure parameter B | |

| |

| |

| |

Pore water pressure due to uniaxial loading | |

| |

| |

| |

Directional variation of A[subscript f] | |

| |

| |

| |

Pore water pressure under triaxial test conditions | |

| |

| |

| |

Henkel's modification of pore water pressure equation | |

| |

| |

| |

Pore water pressure due to one-dimensional strain loading (oedometer test) | |

| |

| |

| |

Permeability and Seepage | |

| |

| |

| |

Introduction | |

| |

| |

Permeability | |

| |

| |

| |

Darcy's law | |

| |

| |

| |

Validity of Darcy's law | |

| |

| |

| |

Determination of coefficient of permeability in the laboratory | |

| |

| |

| |

Variation of coefficient of permeability for granular soils | |

| |

| |

| |

Variation of coefficient of permeability for cohesive soils | |

| |

| |

| |

Directional variation of permeability in anisotropic medium | |

| |

| |

| |

Effective coefficient of permeability for stratified soils | |

| |

| |

| |

Determination of coefficient of permeability in the field | |

| |

| |

| |

Factors affecting the coefficient of permeability | |

| |

| |

| |

Electroosmosis | |

| |

| |

Seepage | |

| |

| |

| |

Equation of continuity | |

| |

| |

| |

Use of continuity equation for solution of simple flow problem | |

| |

| |

| |

Flow nets | |

| |

| |

| |

Hydraulic uplift force under a structure | |

| |

| |

| |

Flow nets in anisotropic material | |

| |

| |

| |

Construction of flow nets for hydraulic structures on nonhomogeneous subsoils | |

| |

| |

| |

Numerical analysis of seepage | |

| |

| |

| |

Seepage force per unit volume of soil mass | |

| |

| |

| |

Safety of hydraulic structures against piping | |

| |

| |

| |

Filter design | |

| |

| |

| |

Calculation of seepage through an earth dam resting on an impervious base | |

| |

| |

| |

Plotting of phreatic line for seepage through earth dams | |

| |

| |

| |

Entrance, discharge, and transfer conditions of line of seepage through earth dams | |

| |

| |

| |

Flow net construction for earth dams | |

| |

| |

| |

Consolidation | |

| |

| |

| |

Introduction | |

| |

| |

| |

Theory of one-dimensional consolidation | |

| |

| |

| |

Degree of consolidation under time-dependent loading | |

| |

| |

| |

Numerical solution for one-dimensional consolidation | |

| |

| |

| |

Standard one-dimensional consolidation test and interpretation | |

| |

| |

| |

Effect of sample disturbance on the e versus log [sigma]' curve | |

| |

| |

| |

Secondary consolidation | |

| |

| |

| |

General comments on consolidation tests | |

| |

| |

| |

Calculation of one-dimensional consolidation settlement | |

| |

| |

| |

Coefficient of consolidation | |

| |

| |

| |

One-dimensional consolidation with viscoelastic models | |

| |

| |

| |

Constant rate-of-strain consolidation tests | |

| |

| |

| |

Constant-gradient consolidation test | |

| |

| |

| |

Sand drains | |

| |

| |

| |

Numerical solution for radial drainage (sand drain) | |

| |

| |

| |

General comments on sand drain problems | |

| |

| |

| |

Shear Strength of Soils | |

| |

| |

| |

Introduction | |

| |

| |

| |

Mohr-Coulomb failure criteria | |

| |

| |

| |

Shearing strength of granular soils | |

| |

| |

| |

Critical void ratio | |

| |

| |

| |

Curvature of the failure envelope | |

| |

| |

| |

General comments on the friction angle of granular soils | |

| |

| |

| |

Shear strength of granular soils under plane strain condition | |

| |

| |

| |

Shear strength of cohesive soils | |

| |

| |

| |

Unconfined compression test | |

| |

| |

| |

Modulus of elasticity and Poisson's ratio from triaxial tests | |

| |

| |

| |

Friction angles [phi] and [phi subscript cu] | |

| |

| |

| |

Effect of rate of strain on the undrained shear strength | |

| |

| |

| |

Effect of temperature on the undrained shear strength | |

| |

| |

| |

Stress path | |

| |

| |

| |

Hvorslev's parameters | |

| |

| |

| |

Relations between moisture content, effective stress, and strength for clay soils | |

| |

| |

| |

Correlations for effective stress friction angle | |

| |

| |

| |

Anisotropy in undrained shear strength | |

| |

| |

| |

Sensitivity and thixotropic characteristics of clays | |

| |

| |

| |

Vane shear test | |

| |

| |

| |

Relation of undrained shear strength (S[subscript u]) and effective overburden pressure (p') | |

| |

| |

| |

Creep in soils | |

| |

| |

| |

Other theoretical considerations-yield surfaces in three dimensions | |

| |

| |

| |

Experimental results to compare the yield functions | |

| |

| |

| |

Settlement of Shallow Foundations | |

| |

| |

| |

Introduction | |

| |

| |

Elastic Settlement | |

| |

| |

| |

Modulus of elasticity and Poisson's ratio | |

| |

| |

| |

Settlement based on theory of elasticity | |

| |

| |

| |

Generalized average elastic settlement equation | |

| |

| |

| |

Improved equation for elastic settlement | |

| |

| |

| |

Calculation of elastic settlement in granular soil using simplified strain influence factor | |

| |

| |

Consolidation Settlement | |

| |

| |

| |

One-dimensional primary consolidation settlement calculation | |

| |

| |

| |

Skempton-Bjerrum modification for calculation of consolidation settlement | |

| |

| |

| |

Settlement of overconsolidated clays | |

| |

| |

| |

Settlement calculation using stress path | |

| |

| |

| |

Comparison of primary consolidation settlement calculation procedures | |

| |

| |

| |

Secondary consolidation settlement | |

| |

| |

| |

Precompression for improving foundation soils | |

| |

| |

Appendix | |

| |

| |

Index | |