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Viser: Principles of Foundation Engineering, SI Edition
Principles of Foundation Engineering, SI Edition Vital Source e-bog
Braja M. Das
(2017)
Principles of Foundation Engineering, SI Edition
Braja M. Das og Nagaratnam Sivakugan
(2017)
Sprog: Engelsk
Detaljer om varen
- 9. Udgave
- Vital Source searchable e-book (Fixed pages)
- Udgiver: Cengage Learning (December 2017)
- ISBN: 9781337672085
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Detaljer om varen
- 9. Udgave
- Paperback: 944 sider
- Udgiver: Course Technology (December 2017)
- Forfattere: Braja M. Das og Nagaratnam Sivakugan
- ISBN: 9781337705035
Part I: GEOTECHNICAL PROPERTIES AND SOIL EXPLORATION.2. Geotechnical Properties of Soil.Introduction. Grain-Size Distribution. Size Limits for Soils. Weight-Volume Relationships. Relative Density. Atterberg Limits. Liquidity Index. Activity. Soil Classification Systems. Hydraulic Conductivity of Soil. Steady-State Seepage. Effective Stress. Consolidation. Calculation of Primary Consolidation Settlement. Time Rate of Consolidation. Range of Coefficient of Consolidation. Degree of Consolidation Under Ramp Loading. Shear Strength. Unconfined Compression Test. Comments on Friction Angle, ?''. Correlations of Undrained Shear Strength, cu. Selection of Shear Strength Parameters. Sensitivity. Summary. Problems. References.3. Natural Soil Deposits and Subsoil Exploration.Introduction. Natural Soil Deposits. Soil Origin. Residual Soil. Gravity Transported Soil. Alluvial Deposits. Lacustrine Deposits. Glacial Deposits. Aeolian Soil Deposits. Organic Soil. Some Local Terms for Soil. Subsurface Exploration. Purpose of Subsurface Exploration. Subsurface Exploration Program. Exploratory Borings in the Field. Procedures for Sampling Soil. Split-Spoon Sampling. Sampling with a Scraper Bucket. Sampling with a Thin-Walled Tube. Sampling with a Piston Sampler. Observation of Water Tables. Vane Shear Test. Cone Penetration Test. Pressuremeter Test (PMT). Dilatometer Test. Iowa Borehole Shear Test. K? Stepped-Blade Test. Coring of Rocks. Preparation of Boring Logs. Geophysical Exploration. Subsoil Exploration Report. Summary. Problems. References.4. Instrumentation and Monitoring in Geotechnical Engineering.Introduction. Need for Instrumentation. Geotechnical Measurements. Geotechnical Instruments. Planning an Instrumentation Program. Some Typical Instrumentation Projects. Summary. References
Part II: SOIL IMPROVEMENT.5. Soil Improvement and Ground Modification.Introduction. General Principles of Compaction. Empirical Relationships for Compaction. Field Compaction. Compaction Control for Clay Hydraulic Barriers. Vibroflotation. Blasting. Precompression. Sand Drains. Prefabricated Vertical Drains. Lime Stabilization. Cement Stabilization. Fly-Ash Stabilization. Stone Columns. Sand Compaction Piles. Dynamic Compaction. Jet Grouting. Deep Mixing. Summary. Problems. References.
Part III: FOUNDATION ANALYSIS.6. Shallow Foundations: Ultimate Bearing Capacity.Introduction. General Concept. Terzaghi''s Bearing Capacity Theory. Factor of Safety. Modification of Bearing Capacity Equations for Water Table. The General Bearing Capacity Equation. Other Solutions for Bearing Capacity Factor N?, Shape, and Depth Factors. Case Studies on Ultimate Bearing Capacity. Effect of Soil Compressibility. Eccentrically Loaded Foundations. Ultimate Bearing Capacity under Eccentric Loading--One-Way Eccentricity. Bearing Capacity--Two-Way Eccentricity. A Simple Approach for Bearing Capacity with Two-Way Eccentricity. Bearing Capacity of a Continuous Foundation Subjected to Eccentrically Inclined Loading. Plane Strain Correction of Friction Angle. Summary. Problems. References.7. Ultimate Bearing Capacity of Shallow Foundations: Special Cases.Introduction. Foundation Supported by a Soil with a Rigid Base at Shallow Depth. Foundations on Layered Clay. Bearing Capacity of Layered Soils: Stronger Soil Underlain by Weaker Soil. Bearing Capacity of Layered Soil: Weaker Soil Underlain by Stronger Soil. Continuous Foundation on Weak Clay with a Granular Trench. Closely Spaced Foundations--Effect on Ultimate Bearing Capacity. Bearing Capacity of Foundations on Top of a Slope. Bearing Capacity of Foundations on a Slope. Seismic Bearing Capacity and Settlement in Granular Soil. Foundations on Rock. Ultimate Bearing Capacity of Wedge-Shaped Foundation. Uplift Capacity of Foundations. Summary. Problems. References.8. Vertical Stress Increase in Soil.Introduction. Stress Due to a Concentrated Load. Stress Due to a Circularly Loaded Area. Stress Due to a Line Load. Stress Below a Vertical Strip Load (Finite Width and Infinite Length). Stress Below a Horizontal Strip Load of Finite Width and Infinite Length. Stress Below a Rectangular Area. Stress Isobars. Average Vertical Stress Increase Due to a Rectangularly Loaded Area. Average Vertical Stress Increase Below the Center of a Circularly Loaded Area. Stress Increase under an Embankment. Westergaard''s Solution for Vertical Stress Due to a Point Load. Stress Distribution for Westergaard Material. Summary. Problems. References.9. Settlement of Shallow Foundations.Introduction. Elastic Settlement of Shallow Foundation on Saturated Clay. Elastic Settlement in Granular Soil. Settlement Based on the Theory of Elasticity. Improved Equation for Elastic Settlement. Settlement of Sandy Soil: Use of Strain Influence Factor. Settlement of Foundation on Sand Based on Standard Penetration Resistance. Settlement Considering Soil Stiffness Variation with Stress Level. Settlement Based on Pressuremeter Test (PMT). Settlement Estimation Using the L1-L2 Method. Effect of the Rise of Water Table on Elastic Settlement. Consolidation Settlement. Primary Consolidation Settlement Relationships. Three-Dimensional Effect on Primary Consolidation Settlement. Settlement Due to Secondary Consolidation. Field Load Test. Presumptive Bearing Capacity. Tolerable Settlement of Buildings. Summary. Problems. References.10. Mat Foundations.Introduction. Combined Footings. Common Types of Mat Foundations. Bearing Capacity of Mat Foundations. Differential Settlement of Mats. Field Settlement Observations for Mat Foundations. Compensated Foundation. Structural Design of Mat Foundations. Summary. Problems. References.11. Load and Resistance Factor Design (LRFD).Introduction. Design Philosophy. Allowable Stress Design (ASD). Limit State Design (LSD) and Partial Safety Factors. Load and Resistance Factor Design (LRFD). Summary. Problems. References.
12. Pile Foundations.Introduction. Types of Piles and Their Structural Characteristics. Continuous Flight Auger (CFA) Piles. Point Bearing and Friction Piles. Installation of Piles. Pile Driving. Load Transfer Mechanism. Equations for Estimating Pile Capacity. Meyerhof''s Method for Estimating Qp. Vesic''s Method for Estimating Qp. Coyle and Castello''s Method for Estimating Qp in Sand. Correlations for Calculating Qp with SPT and CPT Results in Granular Soil. Frictionless Resistance (Qs) in Sand. Frictional (Skin) Resistance in Clay. Ultimate Capacity of Continuous Flight Auger Pile. Point Bearing Capacity of Piles Resting on Rock. Pile Load Tests. Elastic Settlement of Piles. Laterally Loaded Piles. Pile-Driving Formulas. Pile Capacity for Vibration-Driven Piles. Wave Equation Analysis. Negative Skin Friction. Group Piles. Group Efficiency. Ultimate Capacity of Group Piles in Saturated Clay. Elastic Settlement of Group Piles. Consolidation Settlement of Group Piles. Piles in Rock. Summary. Problems. References.13. Drilled Shaft Foundations.Introduction. Types of Drilled Shafts. Construction Procedures. Other Design Considerations. Load Transfer Mechanism. Estimation of Load-Bearing Capacity. Load-Bearing Capacity in Granular Soil. Load-Bearing Capacity in Granular Soil Based on Settlement. Load-Bearing Capacity in Clay. Load-Bearing Capacity Based on Settlement. Settlement of Drilled Shafts at Working Load. Lateral Load-Carrying Capacity--Characteristic Load and Moment Method. Drilled Shafts Extending into Rock. Summary. Problems. References.14. Piled Rafts -- An Overview.Introduction. Load-Settlement Plots of Unpiled and Piled Rafts under Different Design Conditions. Poulos-Davis-Randolph Simplified Design Method. Case Study: Burj Khalifa Tower in Dubai. Summary. Problems. References.
15. Foundations on Difficult Soils.Introduction. Collapsible Soil. Definition and Types of Collapsible Soils. Physical Parameters for Identification. Procedure for Calculating Collapse Settlement. Foundation Design in Soils Not Susceptible to Wetting. Foundation Design in Soils Susceptible to Wetting. Expansive Soils. General Nature of Expansive Soils. Unrestrained Swell Test. Swelling Pressure Test. Classification of Expansive Soil on the Basis of Index Tests. Foundation Considerations for Expansive Soils. Construction on Expansive Soils. Sanitary Landfills. General Nature of Sanitary Landfills. Settlement of Sanitary Landfills. Summary. Problems. References.
Part IV: LATERAL EARTH PRESSURE AND EARTH-RETAINING STRUCTURES.16. Lateral Earth Pressure.Introduction. Lateral Earth Pressure at Rest. Active Pressure. Rankine Active Earth Pressure. A Generalized Case for Rankine Active Pressure--Granular Backfill. Generalized Case for Rankine Seismic Active Earth Pressure--Granular Backfill. Rankine Active Pressure with Vertical Wall Backface and Inclined c''-?'' Backfill. Coulomb''s Active Earth Pressure. Lateral Earth Pressure Due to Surcharge. Active Earth Pressure for Earthquake Conditions--Granular Backfill. Active Earth Pressure for Earthquake Condition (Vertical Backface of Wall and c''-?'' Backfill). Passive Pressure. Rankine Passive Earth Pressure. Rankine Passive Earth Pressure--Vertical Backface and Inclined Backfill. Coulomb''s Passive Earth Pressure. Comments on the Failure Surface Assumption for Coulomb''s Pressure Calculations. Caquot and Kerisel Solution for Passive Earth Pressure (Granular Backfill). Solution for Passive Earth Pressure by Lower Bound Theorem of Plasticity (Granular Backfill). Passive Force on Walls with Earthquake Forces. Summary. Problems. References.17. 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. Construction Joi