Useful as an introductory text in soil mechanics, this book offers an overview of soil properties and mechanics, together with coverage of field practices and basic engineering procedure. Using figures and worked out problems, it also provides the background information required to support further study.Useful as an introductory text in soil mechanics, this book offers an overview of soil properties and mechanics, together with coverage of field practices and basic engineering procedure. Using figures and worked out problems, it also provides the background information required to support further study.Read Less
New. Includes detailed discussions of sedimentary and metamorphic rocks. Presents a detailed explanation for the variation of the maximum and minimum void ratios of granular soils due to grain size, shape, and non plastic fine contents. The Kozeny-Carman equation to estimate hydraulic conductivity in granular soils is discussed in great detail including recent laboratory experimental verification of equivalent hydraulic conductivity of layered soils. More figures and worked out problems than any other text in the market. The most recent information and findings in the literature. Now in 2 color with enhanced clarity of all images and photos. A New chapter on Plasticity and the Structure of Soil (chapter 18). New scanning electron micrographs, and new up to date photos.1. GEOTECHNICAL ENGINEERING A HISTORICAL PERSPECTIVE. Geotechnical Engineering Prior to the 18th Century. Pre-Classical Period of Soil Mechanics (1700-1776). Classical Soil MechanicsPhase I (1776-1856). Classical Soil MechanicsPhase II (1856-1910). Modern Soil Mechanics. Geotechnical Engineering After 1927, End of an Era. 2. ORIGIN OF SOIL AND GRAIN SIZE. Rock Cycle and the Origin of Soil. Soil-Particle Size. Clay Minerals. Specific Gravity (Gs). Mechanical Analysis of Soil. Particle-Size Distribution Curve. Particle Shape. 3. WEIGHT-VOLUME RELATIONSHIPS. Weight-Volume Relationships. Relationships Among Unit Weight. Void Ratio, Moisture Content, and Specific Gravity. Relationships among Unit Weight, Porosity, and Moisture Content. Various Unit-Weight Relationships. Relative Density. Comments on emax and emin. 4. PLASTICITY AND STRUCTURE OF SOIL. Introduction. Liquid Limit (LL). Plastic Limit (PL). Shrinkage Limit (SL). Liquidity Index and Consistency Index. Activity. Plasticity Chart. Soil Structure. 5. CLASSIFICATION OF SOIL. Textural Classification. Classification by Engineering behavior. AASHTO Classification System. Unified Soil Classification System. Summary and Comparison between the AASHTO and Unified Systems. 6. SOIL COMPACTION. CompactionGeneral Principles. Standard Proctor Test. Factors Affecting Compaction. Modified Proctor Test. Structure of Compacted Clay Soil. Effect of Compaction on Cohesive Soil Properties. Field Compaction. Specifications for Field Compaction. Determination of Field Unit Weight of Compaction. Compaction of Organic Soil and Waste Materials. Special Compaction Techniques. 7. PERMEABILITY. Bernoulli`s Equation. Darcy`s Law. Hydraulic Conductivity. Laboratory Determination of Hydraulic Conductivity. Relationships for Hydraulic ConductivityGranular Soil. Relationships for Hydraulic ConductivityCohesive Soils. Directional Variation of Permeability. Equivalent Hydraulic Conductivity in Stratified Soil. Permeability Test in the Field by Pumping from Wells. In Situ Hydraulic Conductivity of Compacted Clay Soils. 8. SEEPAGE. Laplace`s Equation of Continuity. Continuity Equation for Solution of Simple Flow Problems. Flow Nets. Seepage Calculation from a Flow Net. Flow Nets in Anisotropic Soils. Mathematical Solution for Seepage. Uplift Pressure Under Hydraulic Structures. Seepage Through an Earth Dam on an Impervious Base. L. Casagrande`s Solution for Seepage through an Earth Dam. Filter Design. 9. IN SITU_ STRESSES. Stresses in Saturated Soil without Seepage. Stresses in Saturated Soil with Upward Seepage. Stresses in Saturated Soil with Downward Seepage. Seepage Force. Heaving in Soil Due to Flow Around Sheet Piles. Use of Filters to Increase the Factor of Safety Against Heave. Effective Stress in Partially Saturated Soil. Capillary Rise in Soils. Effective Stress in the Zone of Capillary Rise. 10. STRESSES IN A SOIL MASS. Normal and Shear Stresses on a Plane. The Pole Method of Finding Stresses Along a Plane. Stresses Caused by a Point Load. Vertical Stress Caused by a Line Load. Vertical Stress Caused by a Horizontal Printed Pages: 684..
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