Principles of Foundation Engineering 10th edition

Coming Soon Textbook Cover

Braja M. Das
Publisher: Cengage Learning

eBook

eBook

Your students can pay an additional fee for access to an online version of the textbook that might contain additional interactive features.


Access is contingent on use of this textbook in the instructor's classroom.

  • Chapter 1: Introduction
    • 1.1: Geotechnical Engineering
    • 1.2: Foundation Engineering
    • 1.3: Soil Exploration
    • 1.4: Ground Improvement
    • 1.5: Solution Methods
    • 1.6: Numerical Modeling
    • 1.7: Empiricism
    • 1.8: Literature
    • 1: Chapter Quiz

  • Chapter 2: Geotechnical Properties and Soil Exploration
    • 2.1: Introduction
    • 2.2: Grain-Size Distribution
    • 2.3: Size Limits for Soil
    • 2.4: Weight—Volume Relationships
    • 2.5: Relative Density
    • 2.6: Atterberg Limits
    • 2.7: Liquidity Index
    • 2.8: Activity (6)
    • 2.9: Soil Classification Systems (2)
    • 2.10: Hydraulic Conductivity of Soil (4)
    • 2.11: Steady-State Seepage
    • 2.12: Effective Stress
    • 2.13: Consolidation (2)
    • 2.14: Calculation of Primary Consolidation Settlement
    • 2.15: Time Rate of Consolidation
    • 2.16: Range of Coefficient of Consolidation, cv (3)
    • 2.17: Degree of Consolidation Under Ramp Loading
    • 2.18: Shear Strength (1)
    • 2.19: Unconfined Compression Test (1)
    • 2.20: Comments on Friction Angle, 𝜙'
    • 2.21: Correlation for Undrained Shear Strength, cu
    • 2.22: Sensitivity (3)
    • 2.23: Summary
    • 2: Chapter Quiz

  • Chapter 3: Natural Soil Deposits and Soil Exploration
    • 3.1: Introduction
    • 3.2: Soil Origin
    • 3.3: Residual Soil
    • 3.4: Gravity-Transported Soil
    • 3.5: Alluvial Deposits
    • 3.6: Lacustrine Deposits
    • 3.7: Glacial Deposits
    • 3.8: Aeolian Soil Deposits
    • 3.9: Organic Soil
    • 3.10: Some Local Terms for Soil
    • 3.11: Purpose of Subsurface Exploration
    • 3.12: Subsurface Exploration Program
    • 3.13: Exploratory Borings in the Field
    • 3.14: Procedures for Sampling Soil
    • 3.15: Split-Spoon Sampling and Standard Penetration Test (9)
    • 3.16: Sampling with a Scraper Bucket
    • 3.17: Sampling with a Thin-Walled Tube (1)
    • 3.18: Sampling with a Piston Sampler
    • 3.19: Observation of Water Tables
    • 3.20: Vane Shear Test (4)
    • 3.21: Cone Penetration Test (3)
    • 3.22: Pressuremeter Test (PMT) (1)
    • 3.23: Dilatometer Test (2)
    • 3.24: Iowa Borehole Shear Test
    • 3.25: K0 Stepped-Blade Test
    • 3.26: Coring of Rocks
    • 3.27: Preparation of Boring Logs
    • 3.28: Geophysical Exploration (2)
    • 3.29: Subsoil Exploration Report
    • 3.30: Summary
    • 3: Chapter Quiz

  • Chapter 4: Soil Improvement and Ground Modification
    • 4.1: Introduction
    • 4.2: General Principles of Compaction (1)
    • 4.3: Empirical Relationships for Compaction (2)
    • 4.4: Field Compaction (2)
    • 4.5: Compaction Control for Clay Hydraulic Barriers
    • 4.6: Vibroflotation (2)
    • 4.7: Blasting
    • 4.8: Precompression (2)
    • 4.9: Sand Drains (3)
    • 4.10: Prefabricated Vertical Drains
    • 4.11: Line Stabilization
    • 4.12: Cement Stabilization
    • 4.13: Fly-Ash Stabilization
    • 4.14: Stone Columns
    • 4.15: Sand Compaction Piles
    • 4.16: Dynamic Compaction
    • 4.17: Jet Grouting
    • 4.18: Deep Mixing
    • 4.19: Summary
    • 4: Chapter Quiz

  • Chapter 5: Shallow Foundations: Ultimate Bearing Capacity
    • 5.1: Introduction
    • 5.2: General Concept
    • 5.3: Terzaghi's Bearing Capacity Theory (2)
    • 5.4: Factor of Safety
    • 5.5: Modification of Bearing Capacity Equations for Water Table
    • 5.6: The General Bearing Capacity Equation (4)
    • 5.7: Other Solutions for Bearing Capacity, Shape, Depth, and Inclination Factors
    • 5.8: Case Studies on Ultimate Bearing Capacity
    • 5.9: Effect of Soil Compressibility (1)
    • 5.10: Scale Effects on Ultimate Bearing Capacity
    • 5.11: Eccentrically Loaded Foundations
    • 5.12: Ultimate Bearing Capacity Under Eccentric Loading—One-Way Eccentricity (3)
    • 5.13: Bearing Capacity—Two-Way Eccentricity (3)
    • 5.14: Bearing Capacity of a Continuous Foundation Subjected to Eccentrically Inclined Loading (1)
    • 5.15: Summary
    • 5: Chapter Quiz

  • Chapter 6: Ultimate Bearing Capacity of Shallow Foundations: Special Cases
    • 6.1: Introduction
    • 6.2: Bearing Capacity of a Foundation on Anisotropic Sand (1)
    • 6.3: Bearing Capacity of Inclined Continuous Foundation Subjected to Normal Load (1)
    • 6.4: Foundation Supported by a Soil with a Rigid Base at Shallow Depth (4)
    • 6.5: Foundations on Layered Clay
    • 6.6: Bearing Capacity of Layered Soil: Stronger Soil Underlain by Weaker Soil (c' – 𝜙' Soil) (4)
    • 6.7: Bearing Capacity of Layered Soil: Weaker Soil Underlain by Stronger Soil (3)
    • 6.8: Continuous Foundation on Weak Clay with a Granular Trench (2)
    • 6.9: Closely Spaced Foundations—Effect on Ultimate Bearing Capacity
    • 6.10: Bearing Capacity of Foundations on Top of a Slope (2)
    • 6.11: Bearing Capacity of Foundations on a Slope
    • 6.12: Seismic Bearing Capacity and Settlement in Granular Soil (2)
    • 6.13: Foundations on Rock
    • 6.14: Ultimate Bearing Capacity of Wedge-Shaped Foundations
    • 6.15: Summary
    • 6: Chapter Quiz

  • Chapter 7: Vertical Stress Increase in Soil
    • 7.1: Introduction
    • 7.2: Stress Due to a Concentrated Load
    • 7.3: Stress Due to Circularly Loaded Area (2)
    • 7.4: Stress Due to a Line Load
    • 7.5: Stress Below a Vertical Strip Load of Finite Width and Infinite Length
    • 7.6: Stress Below a Horizontal Strip Load of Finite Width and Infinite Length
    • 7.7: Symmetrical Vertical Triangular Strip Load on the Surface
    • 7.8: Vertical Stress Increase Below a Flexible Circular Area—Parabolic and Conical Loading
    • 7.9: Stress Below a Rectangular Area (4)
    • 7.10: Average Vertical Stress Increase Due to a Rectangularly Loaded Area (1)
    • 7.11: Average Vertical Stress Increase below the Center of a Circularly Loaded Area (2)
    • 7.12: Stress Increase Under an Embankment (1)
    • 7.13: Westergaard's Solution for Vertical Stress Due to a Point Load
    • 7.14: Stress Distribution for Westergaard Material
    • 7.15: Summary
    • 7: Chapter Quiz

  • Chapter 8: Settlement of Shallow Foundations
    • 8.1: Introduction (1)
    • 8.2: Elastic Settlement of Shallow Foundation on Saturated Clay (μs = 0.5) (1)
    • 8.3: Settlement Based on the Theory of Elasticity (4)
    • 8.4: Improved Equation for Elastic Settlement (2)
    • 8.5: Settlement of Sandy Soil: Use of Strain Influence Factor (2)
    • 8.6: Settlement of Foundation on Sand Based on Standard Penetration Resistance (2)
    • 8.7: Settlement Based on Pressuremeter Test (PMT) (1)
    • 8.8: Settlement Estimation Using L1L2 Method
    • 8.9: Primary Consolidation Settlement Relationships (1)
    • 8.10: Three-Dimensional Effect on Primary Consolidation Settlement
    • 8.11: Settlement Due to Secondary Consolidation (2)
    • 8.12: Field Load Test
    • 8.13: Presumptive Bearing Capacity
    • 8.14: Tolerable Settlement of Buildings
    • 8.15: Improvement of Soil for Shallow Foundation Construction
    • 8.16: Summary
    • 8: Chapter Quiz

  • Chapter 9: Mat Foundations
    • 9.1: Introduction
    • 9.2: Combined Footings
    • 9.3: Common Types of Mat Foundations
    • 9.4: Bearing Capacity of Mat Foundations (1)
    • 9.5: Differential Settlement of Mats
    • 9.6: Field Settlement Observations for Mat Foundations (2)
    • 9.7: Compensated Foundation (2)
    • 9.8: Structural Design of Mat Foundations (5)
    • 9.9: Summary
    • 9: Chapter Quiz

  • Chapter 10: Uplift Capacity of Shallow Foundations and Helical Anchors
    • 10.1: Introduction
    • 10.2: Foundations on Granular Soil (c' = 0) (1)
    • 10.3: Foundations in Cohesive Soil (𝜙 = 0, c = cu) (1)
    • 10.4: General Dimensions of a Helical Anchor
    • 10.5: Geometrical Parameters, Failure Mode in Sand, and Ultimate Load Determination (1)
    • 10.6: Deep Helical Anchors in Sand
    • 10.7: Helical Anchors in Clay (𝜙 = 0 Condition) (1)
    • 10.8: Summary
    • 10: Chapter Quiz

  • Chapter 11: Pile Foundations
    • 11.1: Introduction (1)
    • 11.2: Pile Materials
    • 11.3: Continuous Flight Auger (CFA) Piles
    • 11.4: Estimating Pile Length
    • 11.5: Installation of Piles
    • 11.6: Load Transfer Mechanism
    • 11.7: Equations for Estimating Pile Capacity
    • 11.8: Meyerhof's Method for Estimating Qp
    • 11.9: Janbu's Method—Estimation of Qp
    • 11.10: Vesic's Method for Estimating Qp
    • 11.11: Coyle and Castello's Method for Estimating Qp in Sand
    • 11.12: Correlations for Calculating Qp with SPT and CPT Results in Granular Soil
    • 11.13: Frictional Resistance (Qs) in Sand (5)
    • 11.14: Comparison of Theory with Field Load Test Results (Granular Soil)
    • 11.15: Frictional (Skin) Resistance in Clay (2)
    • 11.16: Ultimate Capacity of Continuous Flight Auger Pile
    • 11.17: Point Bearing Capacity of Piles Resting on Rock
    • 11.18: Pile Load Tests (1)
    • 11.19: Elastic Settlement of Piles (5)
    • 11.20: Laterally Loaded Piles (1)
    • 11.21: Pile-Driving Formulas
    • 11.22: Pile Capacity for Vibration-Driven Piles
    • 11.23: Wave Equation Analysis
    • 11.24: Negative Skin Friction
    • 11.25: Group Efficiency
    • 11.26: Ultimate Capacity of Group Piles in Saturated Clay
    • 11.27: Elastic Settlement of Group Piles
    • 11.28: Consolidation Settlement of Group Piles
    • 11.29: Piles in Rock
    • 11:30: Summary
    • 11: Chapter Quiz

  • Chapter 12: Drilled-Shaft Foundations
    • 12.1: Introduction
    • 12.2: Types of Drilled Shafts
    • 12.3: Construction Procedures
    • 12.4: Other Design Considerations
    • 12.5: Load Transfer Mechanism
    • 12.6: Estimation of Load-Bearing Capacity
    • 12.7: Load-Bearing Capacity in Granular Soil
    • 12.8: Load-Bearing Capacity in Granular Soil Based on Settlement
    • 12.9: Load-Bearing Capacity in Clay
    • 12.10: Load-Bearing Capacity in Clay Based on Settlement
    • 12.11: Settlement of Drilled Shafts at Working Load
    • 12.12: Lateral Load-Carrying Capacity—Characteristic Load and Moment Method
    • 12.13: Drilled Shafts Extending into Rock
    • 12.14: Summary
    • 12: Chapter Quiz

  • Chapter 13: Foundations on Difficult Soil
    • 13.1: Introduction
    • 13.2: Definition and Types of Collapsible Soil
    • 13.3: Physical Parameters for Identification
    • 13.4: Procedure for Calculating Collapse Settlement
    • 13.5: Foundations in Soil Not Susceptible to Wetting
    • 13.6: Foundations in Soil Susceptible to Wetting
    • 13.7: General Nature of Expansive Soil
    • 13.8: Unrestrained Swell Test
    • 13.9: Swelling Pressure Test
    • 13.10: Classification of Expansive Soil on the Basis of Index Tests
    • 13.11: Foundation Considerations for Expansive Soil
    • 13.12: Construction on Expansive Soil
    • 13.13: General Nature of Sanitary Landfills
    • 13.14: Settlement of Sanitary Landfills
    • 13.15: Summary
    • 13: Chapter Quiz

  • Chapter 14: Lateral Earth Pressure
    • 14.1: Introduction
    • 14.2: Lateral Earth Pressure at Rest
    • 14.3: Rankine Active Earth Pressure
    • 14.4: A Generalized Case for Rankine Active Pressure—Granular Backfill
    • 14.5: Rankine Active Pressure with Vertical Wall Backface and Inclined c' – 𝜙' Soil Backfill
    • 14.6: Coulomb's Active Earth Pressure
    • 14.7: Active Earth Pressure for Translation of Retaining Wall—Granular Backfill
    • 14.8: Lateral Earth Pressure Due to Surcharge
    • 14.9: Active Earth Pressure for Earthquake Conditions—Granular Backfill
    • 14.10: Active Earth Pressure for Earthquake Condition (Vertical Backface of Wall and c' – 𝜙' Backfill)
    • 14.11: Rankine Passive Earth Pressure
    • 14.12: A Generalized Case for Rankine Passive Pressure—Granular Backfill
    • 14.13: Coulomb's Passive Earth Pressure
    • 14.14: Comments on the Failure Surface Assumption for Coulomb's Pressure Calculations
    • 14.15: Caquot and Kerisel Solution for Passive Earth Pressure (Granular Backfill)
    • 14.16: Solution for Passive Earth Pressure by Shields and Tolunay (1973) (Granular Backfill)
    • 14.17: Summary
    • 14: Chapter Quiz

  • Chapter 15: Retaining Walls
    • 15.1: Introduction
    • 15.2: Proportioning Retaining Walls
    • 15.3: Application of Lateral Earth Pressure Theories to Design
    • 15.4: Equivalent Fluid Method for Determination of Earth Pressure
    • 15.5: Stability of Retaining Walls
    • 15.6: Check for Overturning
    • 15.7: Check for Sliding Along the Base
    • 15.8: Check for Bearing Capacity Failure
    • 15.9: Construction Joints and Drainage from Backfill
    • 15.10: Comments on Design of Retaining Walls
    • 15.11: Gravity Retaining-Wall Design for Earthquake Conditions
    • 15.12: Soil Reinforcement
    • 15.13: Consideration in Soil Reinforcement
    • 15.14: General Design Considerations
    • 15.15: Retaining Walls with Metallic Strip Reinforcement
    • 15.16: Step-by-Step-Design Procedure Using Metallic Strip Reinforcement
    • 15.17: Retaining Walls with Geotextile Reinforcement
    • 15.18: Retaining Walls with Geogrid Reinforcement—General
    • 15.19: Design Procedure for Geogrid-Reinforced Retaining Wall
    • 15.20: Summary
    • 15: Chapter Quiz

  • Chapter 16: Sheet-Pile Walls
    • 16.1: Introduction
    • 16.2: Construction Methods
    • 16.3: Cantilever Sheet-Pile Walls
    • 16.4: Cantilever Sheet Piling Penetrating Sandy Soil
    • 16.5: Special Cases for Cantilever Walls Penetrating a Sandy Soil
    • 16.6: Cantilever Sheet Piling Penetrating Clay
    • 16.7: Special Cases for Cantilever Walls Penetrating Clay
    • 16.8: Anchored Sheet-Pile Walls
    • 16.9: Free Earth Support Method for Penetration of Sandy Soil
    • 16.10: Design Charts for Free Earth Support Method (Penetration into Sandy Soil)
    • 16.11: Moment Reduction for Anchored Sheet-Pile Walls Penetrating into Sand
    • 16.12: Computational Pressure Diagram Method for Penetration into Sandy Soil
    • 16.13: Field observations for Anchor Sheet-Pile Walls
    • 16.14: Free Earth Support Method for Penetration of Clay
    • 16.15: Anchors
    • 16.16: Holding Capacity of Anchor Plates in Sand
    • 16.17: Holding Capacity of Anchor Plates in Clay (𝜙 = 0 Condition)
    • 16.18: Ultimate Resistance of Tiebacks
    • 16.19: Summary
    • 16: Chapter Quiz

  • Chapter 17: Braced Cuts
    • 17.1: Introduction
    • 17.2: Braced-Cut Analysis Based on General Wedge Theory
    • 17.3: Pressure Envelope for Braced-Cut Design
    • 17.4: Pressure Envelope for Cuts in Layered Soil
    • 17.5: Tschebotarioff's Pressure Envelopes
    • 17.6: Design of Various Components of a Braced Cut
    • 17.7: Case Studies of Braced Cuts
    • 17.8: Bottom Heave of a Cut in Clay
    • 17.9: Stability of the Bottom of a Cut in Sand
    • 17.10: Lateral Yielding of Sheet Piles and Ground Settlement
    • 17.11: Summary
    • 17: Chapter Quiz

A must-have resource for all foundation engineering courses, Das' PRINCIPLES OF FOUNDATION ENGINEERING, 10th Edition carefully balances current research with practical field applications as it introduces your civil engineering students to the core concepts and applications of foundation analysis design. Throughout this best-selling book, Dr. Das emphasizes how to develop the critical judgment civil engineers need to properly apply theories and analysis to the evaluation of soils and foundation design. A new chapter (Ch. 10) focuses on the uplift capacity of shallow foundations and helical anchors. This edition provides more worked-out examples and figures than any other book of its kind. New figures and updated worked-out examples accompany new learning objectives and illustrative photos to emphasize the skills most critical for students to master as successful civil engineers. WebAssign's customizable online resources further assist in reinforcing foundational skills.

Features
  • Read It links under each question quickly jump to the corresponding section of the MindTap Reader eBook.
  • Watch It links provide step-by-step instruction with short, engaging videos that are ideal for visual learners.
  • A Course Pack with ready-to-use assignments, built by subject matter experts specifically for this textbook, are designed to save you time, and can be easily customized to meet your teaching goals.
  • Customizable Lecture Slides are available as textbook resources.

Questions Available within WebAssign

Most questions from this textbook are available in WebAssign. The online questions are identical to the textbook questions except for minor wording changes necessary for Web use. Whenever possible, variables, numbers, or words have been randomized so that each student receives a unique version of the question. This list is updated nightly.

Question Availability Color Key
BLACK questions are available now
GRAY questions are under development


Group Quantity Questions
Chapter 1: Introduction
1 0  
Chapter 2: Geotechnical Properties and Soil Exploration
2.8 6 001 002 003 004 005 006
2.9 2 007 008
2.10 4 009 010 011 012
2.13 2 013 014
2.16 3 015 016 017
2.18 1 018
2.19 1 019
2.22 3 020 021 022
Chapter 3: Natural Soil Deposits and Soil Exploration
3.15 9 002 003 004 005 006 007 008 009 010
3.17 1 001
3.20 4 011 012 013 014
3.21 3 015 016 017
3.22 1 018
3.23 2 019 020
3.28 2 021 022
Chapter 4: Soil Improvement and Ground Modification
4.2 1 001
4.3 2 002 003
4.4 2 004 005
4.6 2 006 007
4.8 2 008 009
4.9 3 010 011 012
Chapter 5: Shallow Foundations: Ultimate Bearing Capacity
5.3 2 001 002
5.6 4 003 004 005 006
5.9 1 007
5.12 3 008 009 010
5.13 3 011 012 013
5.14 1 014
Chapter 6: Ultimate Bearing Capacity of Shallow Foundations: Special Cases
6.2 1 001
6.3 1 002
6.4 4 003 004 005 006
6.6 4 007 008 009 010
6.7 3 011 012 013
6.8 2 014 015
6.10 2 016 017
6.12 2 018 019
Chapter 7: Vertical Stress Increase in Soil
7.3 2 001 002
7.9 4 003 004 005 006
7.10 1 007
7.11 2 009 010
7.12 1 008
Chapter 8: Settlement of Shallow Foundations
8.1 1 014
8.2 1 001
8.3 4 002 003 004 005
8.4 2 006 007
8.5 2 008 009
8.6 2 010 011
8.7 1 012
8.9 1 013
8.11 2 015 016
Chapter 9: Mat Foundations
9.4 1 001
9.6 2 002 003
9.7 2 004 005
9.8 5 006 007 008 009 010
Chapter 10: Uplift Capacity of Shallow Foundations and Helical Anchors
10.2 1 001
10.3 1 002
10.5 1 003
10.7 1 004
Chapter 11: Pile Foundations
11.1 1 001
11.13 5 002 003 004 005 006
11.15 2 009 010
11.18 1 011
11.19 5 007 008 012 013 014
11.20 1 015
11.21 016 017 018
11.24 019 020 021 022
11.25 023 024
11.26 025 026
Chapter 12: Drilled-Shaft Foundations
12.7 001 002
12.9 003 004
12.10 005 006 007 008 009 010 011
12.11 012 013
12.13 014 015 016 017
Chapter 13: Foundations on Difficult Soil
13.3 001
13.4 002 003
13.7 004 005
13.9 006 007 008 009
13.12 010 011
Chapter 14: Lateral Earth Pressure
14.2 001 002 003
14.3 004 005 006 007
14.4 008
14.6 009 010
14.11 011 012 013
14.13 014
14.14 015 016 017 018
14.15 019
Chapter 15: Retaining Walls
15.7 001 002 003
15.8 004
15.11 005
15.15 006 007 008
15.16 009
15.17 010 011
Chapter 16: Sheet-Pile Walls
16.4 001 002
16.5 003 004 005
16.6 006
16.7 007
16.9 008
16.11 009
16.12 010 011
16.16 012 013
Chapter 17: Braced Cuts
17.6 001 002 003 004 005 006 007 008 009
17.8 010 011
Total 144 (93)