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Foreword | |
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Preface | |
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Symbols | |
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Introduction | |
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State Of Unsaturated Soil | |
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Unsaturated Soil Phenomena | |
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Definition of Unsaturated Soil Mechanics | |
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Interdisciplinary Nature of Unsaturated Soil Mechanics | |
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Classification of Unsaturated Soil Phenomena | |
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Scope and Organization of Book | |
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Chapter Structure | |
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Geomechanics and Geo-environmental Tracks | |
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Unsaturated Soil in Nature and Practice | |
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Unsaturated Soil in Hydrologic Cycle | |
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Global Extent of Climatic Factors | |
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Unsaturated Zone and Soil Formation | |
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Unsaturated Soil in Engineering Practice | |
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Moisture, Pore Pressure, and Stress Profiles | |
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Stress in the Unsaturated State | |
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Saturated Moisture and Stress Profiles: Conceptual Illustration | |
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Unsaturated Moisture and Stress Profiles: Conceptual Illustration | |
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Illustrative Stress Analysis | |
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State Variables, Material Variables, and Constitutive Laws | |
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Phenomena Prediction | |
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Head as a State Variable | |
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Effective Stress as a State Variable | |
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Net Normal Stresses as State Variables | |
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Suction and Potential of Soil Water | |
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Total Soil Suction | |
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Pore Water Potential | |
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Units of Soil Suction | |
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Suction Regimes and the Soil-Water Characteristic Curve.Problems | |
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Fundamental Principles | |
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Material Variables | |
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Physical Properties of Air and Water | |
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Unsaturated Soil as a Multiphase System | |
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Density of Dry Air | |
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Density of Water | |
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Viscosity of Air and Water | |
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Flow Regimes | |
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Partial Pressure and Relative Humidity | |
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Relative Humidity in Unsaturated Soil Mechanics | |
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Composition and Partial Pressure of Air | |
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Equilibrium between Free Water and Air | |
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Equilibrium between Pore Water and Air | |
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Relative Humidity | |
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Dew Point | |
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Density of Moist Air | |
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Effect of Water Vapor on Density of Air | |
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Formulation for Moist Air Density | |
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Surface Tension | |
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Origin of Surface Tension | |
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Pressure Drop across an Air-Water Interface | |
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Cavitation of Water | |
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Cavitation and Boiling | |
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Hydrostatic Atmospheric Pressure | |
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Cavitation Pressure.Problems | |
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Interfacial Equilibrium | |
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Solubility of Air in Water | |
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Henry's Law | |
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Temperature Dependence | |
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Volumetric Coefficient of Solubility | |
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Henry's Law Constant and Volumetric Coefficient of Solubility | |
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Vapor Component Correction | |
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Mass Coefficient of Solubility | |
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Air-Water-Solid Interface | |
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Equilibrium between Two Water Drops | |
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Equilibrium at an Air-Water-Solid Interface | |
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Contact Angle | |
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Air-Water-Solid Interface in Unsaturated Soil | |
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Vapor Pressure Lowering | |
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Implications of Kelvin's Equation | |
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Derivation of Kelvin's Equation | |
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Capillary Condensation | |
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Soil-Water Characteristic Curve | |
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Soil Suction and Soil Water | |
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Capillary Tube Model | |
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Contacting Sphere Model | |
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Concluding Remarks.Problems | |
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Capillarity | |
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Young-Laplace Equation | |
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Three-Dimensional Meniscus | |
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Hydrostatic Equilibrium in a Capillary Tube | |
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Height of Capillary Rise | |
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Capillary Rise in a Tube | |
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Capillary Finger Model | |
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Capillary Rise in Idealized Soil | |
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Capillary Rise in Soil | |
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Rate of Capillary Rise | |
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Saturated Hydraulic Conductivity Formulation | |
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Unsaturated Hydraulic Conductivity Formulation | |
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Experimental Verification | |
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Capillary Pore Size Distribution | |
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Theoretical Basis | |
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Pore Geometry | |
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Computational Procedures | |
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Suction Stress | |
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For | |