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Introduction to Geotechnical Enginnering
Das, Braja
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Últimas novedades
geología
ingeniería
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Introduction to Geotechnical Engineering takes intensive research and observation in the field and the laboratory which have refined and improved the science of foundation design and presents them in a simple and concise form. This non-calculus based text is primarily designed for classroom instruction in civil engineering technology programs where soil mechanics and foundation engineering are combined into one course. It is also a useful and convenient reference tool for civil engineering practitioners as minimal supplementary material is necessary for its use.
Features
The text has been liberally illustrated for better understanding of the material by the students.
Approximately 78 example problems and 150 homework problems are included.
English units are used throughout the text, with only few exceptions.
A solid background in soil mechanics is provided for a greater understanding of foundation design.
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1.Introduction
Soil:Particle Size / General Soil Deposits / Some Local Terms for Soils / References
2. Weight-Volume Relationships
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 / Problems / References
3. Grain Size Analysis, Plasticity, and Soil Classification
Grain Size Analysis / Grain Size Distribution Curve / 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 / Problems / References
4. Permeability and Capillarity
Darcy’s Law / Hydraulic Conductivity / Laboratory Determination of Hydraulic Conductivity / Relationships for Hydraulic Conductivity: Granular Soils / Relationships for Hydraulic Conductivity:Cohesive Soils / Permeability Test in the Field by Pumping from Wells / Capillary Rise in Soils / Problems / References
5. Stresses in a Soil Mass
Effective Stress Concept:
Stresses in Saturated Soil without Seepage / Stresses in Saturated Soil with Upward Seepage
Vertical Stress Increase Due to Various Types of Loading:
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
Problems / References
6. Consolidation
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 Consolidation / Coefficient of Consolidation / Problems / References
7. Shear Strength of Soils
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 / Problems / References
8. Subsurface Exploration
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 / Subsurface Exploration Report / Problems / References
9. Lateral Earth Pressure: At-Rest, Rankine and Coulomb
At-Rest, Rankine and Passive Pressures /
At-Rest Lateral Earth Pressure:
Earth Pressure at Rest / Earth Pressure at Rest for Partially Submerged Soil
Rankine’s Earth Pressure:
Rankine Active Pressure / Rankine Active Pressure:Partially Submerged Cohesionless Soil (c´= 0) with Backfill Supporting a Surcharge / Rankine Active Pressure with Inclined Granular Backfill (c´= 0) / Rankine Passive Earth Pressure
Coulomb’s Earth Pressure Theory:
Coulomb’s Active Pressure / Coulombs Passive Pressure
Problems / References
10. Shallow Foundations - Bearing Capacity and Settlement
Ultimate Bearing Capacity of Shallow Foundations:
General Concepts / Ultimate bearing Capacity Theory / Modification of Bearing Capacity Equations for Water Table / The Factor of Safety / Eccentrically Loaded Foundations
Settlement of Shallow Foundations:
Types of Foundation Settlement / Elastic Settlement / Range of material Parameters for Computing Elastic Settlement / Field Load Tests / Elastic Settlement Based on Standard Penetration Resistance in Sand / Primary Consolidation Settlement
Mat Foundations:
Common Types of Mat Foundations / Bearing Capacity of Mat Foundations / Compensated Foundations
Problems / References
11. Deep Foundations
Pile Foundations:
Pile Foundation:General / Types of Piles and their Structural Characteristics / Estimation of Pile Length / Installation of Piles / Ultimate Load Carrying Capacity of Piles in Sand / Ultimate Load carrying Capacity of Piles in Clay (ø = 0 condition) / Pile Driving Formulas / Pile Driving Formulas / Pile Load Tests / Group Piles:Efficiency / Consolidation Settlement of Group Piles / Elastic Settlement of Group Piles
Drilled Shafts:
Drilled Shafts:General / Types of Drilled Shafts / Construction Procedures / Estimation of Load-Bearing Capacity / Allowable Load-Bearing Capacity Based on Settlement
Problems / References
12. Retaining Walls
Introduction /
Gravity and Cantilever Walls:
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 / Provisions for Joints in the Retaining Wall Construction
Problems
13. Slope Stability
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 Homogeneous Clay Soil with ø = 0 / Mass Procedure:Slopes in Homogeneous c´- ø´ Soil / Ordinary Method of Slices / Problems / References
14. Soil Compaction
Compaction:General Principles / Standard Proctor Test / Factors Affecting Compaction / Modified Proctor Test / Effect of Compaction on Cohesive Soil Properties / Pile Compaction / Specifications for Field Unit Weight of Compaction / Problems / References
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