ForewordPrefaceSymbols1 State of unsaturated soilPart I Soil system2 Phases of unsaturated soil3 Soil phase equilibria4 Soil water potential5 Soil water retentionPart II Stress phenomena6 Stresses in soil7 Strength of soil8 Lateral earth pressurePart III Flow phenomena9 Steady fluid flow10 Transient fluid flow11 Heat flow and transferPart IV Deformation phenomena12 Moduli of unsaturated soil13 Soil volume changePart V Measuring and modeling unsaturated soil phenomena14 Measuring suction and water content15 Measuring hydraulic and thermal properties16 Measuring suction stress17 Modeling hydraulic and thermal propertiesAppendix A Thermodynamics justification unitary soil water potentialAppendix B Mechanics and thermodynamics justification unified effective stressReferencesIndex