1. GEOTECHNICAL ENGINEERING.
Geotechnical Engineering. Geotechnical Engineering Applications.
Soil Parameters. References.
2. GRAIN-SIZE ANALYSIS.
Introduction. Soil-Particle Size. General Soil Deposits. Some Local
Terms for Soils. Grain-Size Analysis. Grain-Size Distribution
Curve. Summary. Problems. References.
3. WEIGHT-VOLUME RELATIONSHIPS.
Introduction. Volume Relationships. Weight Relationships. Specific
Gravity of Soil Solids. Relationships Among Unit Weight, Void
Ratio, Moisture Content, and Specific Gravity. Relationships Among
Unit Weight, Porosity, and Moisture Content. Relative Density.
Summary. Problems. References.
4. PLASTICITY AND SOIL CLASSIFICATION.
Introduction. Consistency of Soils-Atterberg Limits. Liquid Limit
(LL). Plastic Limit (PL). Shrinkage Limit (SL). Engineering
Classification of Soil. AASHTO Soil Classification System. Unified
Soil Classification System. Summary. Problems. References.
5. SOIL COMPACTION.
Introduction. Compaction General Principles. Standard Proctor Test.
Factors Affecting Compaction. Modified Proctor Test. Effect of
Compaction on Cohesive Soil Properties. Field Compaction.
Specifications for Field Compaction. Determination of Field Unit
Weight of Compaction. Summary. Problems. References.
6. PERMEABILTY AND CAPILLARITY.
Introduction. Darcy's Law. Hydraulic Conductivity. Laboratory
Determination of Hydraulic Conductivity. Relationships for
Hydraulic Conductivity-Granular Soil. Relationships for Hydraulic
Conductivity-Cohesive Soils. Permeability Test in the Field by
Pumping from Wells. Capillary Rise in Soils. Summary. Problems.
References.
7. STRESSES IN A SOIL MASS.
Introduction. Stresses in Saturated Soil without Seepage. Stresses
in Saturated Soil with Upward Seepage. Stress Caused by a Point
Load. Vertical Stress Below the Center of a Uniformly Loaded
Circular Area. Vertical Stress Caused by a Rectangularly Loaded
Area. Summary. Problems. References.
8. CONSOLIDATION.
Introduction. Fundamentals of Consolidation. One-dimensional
Laboratory Consolidation Test. Void Ratio-Pressure Plots. Normally
Consolidated and Overconsolidated Clays. Effect of Disturbance on
Void Ratio-Pressure Relationship. Calculation of Settlement from
One-dimensional Primary Consolidation. Compression Index (Cc) and
Swell Index (Cs). Settlement from Secondary Consolidation. Time
Rate of Consolidation. Coefficient of Consolidation. Summary.
Problems. References.
9. SHEAR STRENGTH OF SOILS.
Introduction. Mohr-Coulomb Failure Criteria. Direct Shear Test.
Triaxial Shear Test. Consolidated-Drained Test.
Consolidated-Undrained Test. Unconsolidated-Undrained Test.
Unconfined Compression Test on Saturated Clay. Summary. Problems.
References.
10. SUBRSURFACE EXPLORATION.
Introduction. Subsurface Exploration Program. Exploratory Borings
in the Field. Procedures for Sampling of Soil. Observation of Water
Levels. Vane Shear Test. Cone Penetration Test. Coring of Rocks.
Preparation of Boring Logs. Subsoil Exploration Report. Summary.
Problems. References.
11. LATERAL EARTH PRESSURE: AT-REST, RANKINE, AND COULOMB.
Introduction. At-Rest, Active, and Passive Pressures. Earth
Pressure At-Rest. Earth Pressure At-Rest for Partially Submerged
Soil. Rankine Active Earth Pressure. Rankine Active
Pressure-Partially Submerged Cohesionless Soil (c=0) with Backfill
Supporting a Surcharge. Rankine Active Pressure with Inclined
Granular (c=0) Backfill. Rankine Passive Earth Pressure. Coulomb's
Active Pressure. Coulomb's Passive Pressure. Summary. Problems.
References.
12. SHALLOW FOUNDATIONS-BEARING CAPACITY AND SETTLEMENT.
Introduction. General Concepts. Ultimate Bearing Capacity Theory.
Modification of Bearing Capacity Equations for Water Table. The
Factor of Safety. Eccentrically Loaded Foundations. Types of
Foundation Settlement. Elastic Settlement. Range of Material
Parameters for Computing Elastic Settlement. Field Load Test.
Elastic Settlement Based on Standard Penetration Resistance in
Sand. Primary Consolidation Settlement. Common Types of Mat
Foundations. Bearing Capacity of Mat Foundations. Compensated
Foundations. Summary. Problems. References.
13. DEEP FOUNDATIONS.
Introduction, Pile Foundations-General. Types of Piles and Their
Structural Characteristics. Estimating Pile Length. Installation of
Piles. Ultimate Load-Carrying Capacity of Piles in Sand. Ultimate
Load-Carrying Capacity of Piles in Clay. Pile-Driving Formulas.
Pile Load Tests. Group Piles-Efficiency. Consolidation Settlement
of Group Piles. Elastic Settlement of Group Piles. Drilled
Shafts-General. Types of Drilled Shafts. Construction Procedures.
Estimation of Load-Bearing Capacity. Allowable Load-Bearing
Capacity Based on Settlement. Summary. Problems. References.
14. RETAINING WALLS.
Introduction. Proportioning Retaining Walls. Application of Lateral
Earth Pressure Theories to Design. Stability of Retaining Walls.
Check for Overturning. Check for Sliding Along the Base. Check for
Bearing Capacity Failure. Drainage from the Backfill of the
Retaining Wall. Provision of Joints in Retaining-Wall Construction.
Summary. Problems. References.
15. SLOPE STABILITY.
Introduction. Factor of Safety. Culmann's Method for Stability
Analysis. Factor of Safety Along a Plane. Analysis of Slopes with
Circular Failure Surfaces-General. Mass Procedures-Slopes in
Homogenous Clay Soil with ?=0. Mass Procedures-Slopes in Homogenous
c'-?' Soil. Ordinary Methods of Slices. Summary. Problems.
References.
ANSWERS TO SELECTED PROBLEMS.
INDEX.
Dr. Braja Das is Dean Emeritus of the College of Engineering and Computer Science at California State University, Sacramento. He received his M.S. in Civil Engineering from the University of Iowa and his Ph.D. in Geotechnical Engineering from the University of Wisconsin. He is the author of a number of geotechnical engineering texts and reference books and more than 250 technical papers in the area of geotechnical engineering. His primary areas of research include shallow foundations, earth anchors, and geosynthetics. Dr. Das is a Fellow and Life Member of the American Society of Civil Engineers, Life Member of the American Society for Engineering Education, and an Emeritus Member of the Chemical and Mechanical Stabilization Committee of the Transportation Research Board of the National Research Council (Washington D.C.). He has received numerous awards for teaching excellence, including the AMOCO Foundation Award, the AT&T Award for Teaching Excellence from the American Society for Engineering Education, the Ralph Teetor Award from the Society of Automotive Engineers, and the Distinguished Achievement Award for Teaching Excellence from the University of Texas at El Paso. Dr. Sivakugan received his Bachelor's degree in Civil Engineering from University of Peradeniya, Sri Lanka, with First Class Honours, and MSCE and PhD from Purdue University. His writings include three books, seven book chapters, 100 refereed international journal papers, 70 refereed international conference papers, and more than 100 consulting reports. He is a registered professional engineer of Queensland, a chartered professional engineer, and is a Fellow of both Engineers Australia and American Society of Civil Engineers. He is the Associate Editor for the International Journal of Geotechnical Engineering (UK) and serves on other editorial boards. He is an Australian Research Council Ozreader, and is currently a reviewer for more than 20 international journals.
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