Unsaturated Soil Mechanics in Engineering Practice

The definitive guide to unsaturated soil-- from the
world's experts on the subject

This book builds upon and substantially updates Fredlund and
Rahardjo's publication, Soil Mechanics for Unsaturated
Soils, the current standard in the field of unsaturated soils.
It provides readers with more thorough coverage of the state of the
art of unsaturated soil behavior and better reflects the manner in
which practical unsaturated soil engineering problems are solved.
Retaining the fundamental physics of unsaturated soil behavior
presented in the earlier book, this new publication places greater
emphasis on the importance of the "soil-water characteristic curve"
in solving practical engineering problems, as well as the
quantification of thermal and moisture boundary conditions based on
the use of weather data. Topics covered include:

* Theory to Practice of Unsaturated Soil Mechanics

* Nature and Phase Properties of Unsaturated Soil

* State Variables for Unsaturated Soils

* Measurement and Estimation of State Variables

* Soil-Water Characteristic Curves for Unsaturated Soils

* Ground Surface Moisture Flux Boundary Conditions

* Theory of Water Flow through Unsaturated Soils

* Solving Saturated/Unsaturated Water Flow Problems

* Air Flow through Unsaturated Soils

* Heat Flow Analysis for Unsaturated Soils

* Shear Strength of Unsaturated Soils

* Shear Strength Applications in Plastic and Limit
Equilibrium

* Stress-Deformation Analysis for Unsaturated Soils

* Solving Stress-Deformation Problems with Unsaturated Soils

* Compressibility and Pore Pressure Parameters

* Consolidation and Swelling Processes in Unsaturated Soils

Unsaturated Soil Mechanics in Engineering Practice is
essential reading for geotechnical engineers, civil engineers, and
undergraduate- and graduate-level civil engineering students with a
focus on soil mechanics.

Autorentext
D.G. FREDLUND is the author or coauthor of over 460 refereed journal articles, conference proceedings, technical papers, and chapters in edited collections. In 1993, he coauthored Soil Mechanics for Unsaturated Soils, the first major text on unsaturated soil mechanics published. He has served as a research consultant to the Government of Hong Kong, U.S. Army Corps of Engineers, and Saskatchewan Highways, and presently is head of the Golder Unsaturated Soils Group, Canada. H. RAHARDJO is head of the Division of Infrastructure Systems and Maritime Studies at the School of Civil and Environmental Engineering at Nanyang Technological University in Singapore. He is the coauthor of Soil Mechanics for Unsaturated Soils and over 200 technical publications. M. D. FREDLUND is the President/CEO of SoilVision Systems, Canada, a geotechnical/hydrological software development and numerical modeling company.

Zusammenfassung
The definitive guide to unsaturated soil from the world's experts on the subject This book builds upon and substantially updates Fredlund and Rahardjo's publication, Soil Mechanics for Unsaturated Soils, the current standard in the field of unsaturated soils. It provides readers with more thorough coverage of the state of the art of unsaturated soil behavior and better reflects the manner in which practical unsaturated soil engineering problems are solved. Retaining the fundamental physics of unsaturated soil behavior presented in the earlier book, this new publication places greater emphasis on the importance of the "soil-water characteristic curve" in solving practical engineering problems, as well as the quantification of thermal and moisture boundary conditions based on the use of weather data. Topics covered include: Theory to Practice of Unsaturated Soil Mechanics Nature and Phase Properties of Unsaturated Soil State Variables for Unsaturated Soils Measurement and Estimation of State Variables Soil-Water Characteristic Curves for Unsaturated Soils Ground Surface Moisture Flux Boundary Conditions Theory of Water Flow through Unsaturated Soils Solving Saturated/Unsaturated Water Flow Problems Air Flow through Unsaturated Soils Heat Flow Analysis for Unsaturated Soils Shear Strength of Unsaturated Soils Shear Strength Applications in Plastic and Limit Equilibrium Stress-Deformation Analysis for Unsaturated Soils Solving Stress-Deformation Problems with Unsaturated Soils Compressibility and Pore Pressure Parameters Consolidation and Swelling Processes in Unsaturated Soils Unsaturated Soil Mechanics in Engineering Practice is essential reading for geotechnical engineers, civil engineers, and undergraduate- and graduate-level civil engineering students with a focus on soil mechanics.

Inhalt
Foreword xiii Preface xv Acknowledgments xvii Chapter 1 Theory to Practice of Unsaturated Soil Mechanics 1 1.1 Introduction 1 1.2 Moisture and Thermal Flux Boundary Conditions 6 1.3 Determination of Unsaturated Soil Properties 8 1.4 Stages in Moving Toward Implementation 9 1.5 Need for Unsaturated Soil Mechanics 11 1.6 Partial Differential Equations in Soil Mechanics 17 1.7 Engineering Protocols for Unsaturated Soils 26 Chapter 2 Nature and Phase Properties of Unsaturated Soil 29 2.1 Introduction 29 2.2 Soil Classification 34 2.3 Phase Properties 48 2.4 Volume-Mass Variables 66 2.5 Soil Compaction 73 2.6 Volume-Mass Relations When Mass is Lost from System 76 Chapter 3 State Variables for Unsaturated Soils 80 3.1 Introduction 80 3.2 Basis for Stress State Variables 84 3.3 Stress State Variables for Unsaturated Soils 87 3.4 Representation of Stress States 94 3.5 Equations for Mohr Circle 98 3.6 Role of Osmotic Suction 105 Chapter 4 Measurement and Estimation of State Variables 109 4.1 Introduction 109 4.2 Measurement of Soil Suction 109 4.3 Measurement of Total Suction 149 4.4 Measurement of Osmotic Suction 164 4.5 Measurement of In Situ Water Content 165 4.6 Estimation of Soil Suction 169 Chapter 5 Soil-Water Characteristic Curves for Unsaturated Soils 184 5.1 Introduction 184 5.2 Volume-Mass Constitutive Relations 190 5.3 Equations for SWCC 200 5.4 Regression Analysis on SWCC Equations 214 5.5 Hysteresis, Initialization, and Interpretation of SWCC 217 5.6 Pham and Fredlund (2011) Equation for Entire SWCC 224 5.7 Gitirana and Fredlund (2004) SWCC 231 5.8 Measurement of SWCC Using Pressure Plate Devices 234 5.9 Single-Specimen Pressure Plate Devices for Geotechnical Engineering 242 5.10 Vacuum Desiccators for High Suctions 249 5.11 Use of Chilled-Mirror or Dew-Point Method 251 5.12 Estimation of SWCC 253 5.13 Two-Point Method of Estimating SWCC 263 5.14 Correlation of Fitting Parameters to Soil Properties 265 5.15 Application of SWCC 269 5.16 Guidelines and Recommendations for Engineering Practice 271 Chapter 6 Ground Surface Moisture Flux Boundary Conditions 273 6.1 Introduction 273 6.2 Climatic Classification for a Site 274 6.3 Boundary Value Framework for Near-Ground-Surface Design 278 6.4 Challenges of Numerical Modeling Ground Surface Moisture Flux Conditions 321 Chapter 7 Theory of Water Flow through Unsaturated Soils 327 7.1 Introduction 327 7.2 Theory of Flow of Water 327 7.3 Darcy's Law for Unsaturated Soils 331 7.4 …

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