本書由河海大學土木工程學院的幾位教授在**土力學教材的基礎上，參照國外英文版圖書的編寫方式和風格，同時考慮**學生的使用特點，精心編譯而成。本書共分八章，具體包括了：土體的物理性質和岩土工程的分類；滲流；地基中的應力；地基的壓縮和固結等內容。每章後均附有習題、符號說明和部分專業英語詞彙的漢譯，供學生在使用本書時練習、參照。
本書可供高等學校土木工程專業及相關專業在開設土力學雙語教學課程時使用。

教育部倡導在具備條件的高等院校中進行雙語教學，許多院校都做了有 益的探索和嘗試。有些院校直接采用外文原版書進行教學，反饋意見各不相 同。由於我國土木工程專業高等教育模式與國外存在較大差別，編制適合國 內學生特點的本土英文版教材，成為國內院校的迫切需要。基於此，河海大 學土木工程學院的幾位教授在國內土力學教材的基礎上，參照國外英文版圖 書的編寫方式和風格，同時考慮國內學生的使用特點，精心編譯而成此書。 本書共分八章：第一章土體的物理性質和岩土工程的分類；第二章滲流；第 三章地基中的應力；第四章地基的壓縮和固結；第五章土的抗剪強度；第六 章土壓力理論；第七章邊坡穩定分析；第八章地基承載力。每章後均附有習 題、符號說明和部分專業英語詞彙的漢譯，供學生在使用本書時練習、參照 。 本書可供高等學校土木工程專業及相關專業在開設土力學雙語教學課程 時使用。

CHAFFER 1 PHYSICAL PROPERTIES AND ENGINEERING CLASSIFICATION OF SOIL
　1.1 Formation of Soil
　1.2 Components of Soil
1.2.1 Solid Phase
1.2.2 Liquid Phase
1.2.3 Vapor Phase
1.3 Soil Fabric
1.3.1 Interaction between Soil Particles
1.3.2 Soil Fabric
1.4 Physical Features and Indexes of Soii
1.4.1 Basic Physical Indexes
1.4.2 Calculated Physical Indexes
1.4.3 Conversion between Physical Indexes
1.5 Relative Density of Cohesionless Soil, Consistency of Cohesive Soil and Soil Compaction
1.5.1 Relative Density of Cohesionless Soil
1.5.2 Consistency of Cohesive Soil
1.5.3 Soil Compaction
1.6 Soil Classification
CHAPTER 2 WATER FLOW THROUGH SOIL
2.1 Introduction
2.2 Driving Potential——Total Head
2.3 Darcy's Law
2.3.1 Darcy's Law
2.3.2 Validity of Darcy's Law
2.4 Determination of the Coefficient of Permeability
2.4.1 Empirical Relationships for k
2.4.2 Determination of k in the Laboratory
2.4.3 Pumping Test to Determine k in the Field
2.4.4 The Coefficient of Permeability of Soil Layers
2.5 Two-Dimensional Flow of Water through Soil and Flow Net
2.5.1 Laplace's Equation for Two-Dimensional Steady Flow
2.5.2 Flow Net
2.6 Effective Stress and Pore Water Pressure in soil
2.6.1 The Principle of Effective Stress
2.6.2 Effective Stresses due to Hydrostatic Stress Fields
2.6.3 Effects of Seepage
2.7 Seepage Force and Critical Hydraulic Gradient
2.7.1 Seepage Force
2.7.2 Heaving, Boiling, and Piping
2.7.3 Critical Hydraulic Gradient
CHAPTER 3 STRESSES IN SOIL
3.1 Introduction
3.2 Effective Overburden Pressure in the Ground
3.3 Contact Pressure between the Foundation and the Ground
3.3.1 Contact Pressure due to Vertical Centric Load
3.3.2 Contact Pressure due to Vertical Eccentric Load
3.3.3 Contact Pressure due to Inclined Eccentric Load
3.4 Stress Increase in the Ground
3.4.1 Stress Increase in Spatial Problems
3.4.2 Stress Increase in Plane Problems
3.4.3 Effective Overburden Pressure of Embankment and Contact Pressure between Embankment and Ground
CHAPTER 4 COMPRESSION AND CONSOLIDATION OF SOIL
4.1 Introduction
4.2 Soil Compressibility Characteristics
4.2.1 Fundamental Concept
4.2.2 The Oedometer Test
4.2.3 Compressibility Parameters
4.3 Calculation Formulae of Soil Compression with Zero Lateral Strain
4.4 e-p Curve Method for Foundation Settlement Calculation
4.5 e-logp Curve Method for Foundation Settlement Calculation
4.5.1 Effect of Stress History on the Compressibility of Clays
4.5.2 Derivation of the In-Situ Compression Curve
4.5.3 Calculation of Foundation Settlement
4.5.4 Discussion
4.6 Terzaghi' s Theory of One-Dimensional Consolidation
4.6. l One-dimensional Consolidation Analogy
4.6.2 One-dimensional Consolidation Theory
4.6.3 Degree of Consolidation and its Application
4.7 Determination of Coefficient of Consolidation
4.7.1 The Log Time Method (Due to Casagrande)
4.7.2 The Root Time Method (Due to Taylor)
4.7.3 In-Situ Value of C
4.8 Secondary Compression
CHAPTER 5 SHEAR STRENGTH OF SOIL
5.1 Introduction
5.2 Friction Model in Physics and the Mohr-Coulomb Failure Criterion
5.2.1 Friction Model
5.2.2 The Mohr-Coulomb Failure Criterion
5.2.3 Failure Envelop
5.3 Shear Strength Test
5.3.1 The Direct Shear Test
5.3.2 The Triaxial Compression Test
5.3.3 The Unconfined Compression Test
5.3.4 The Vane Shear Test
5.3.5 Special Test
5.4 Pore Pressure Coefficients in the Triaxial Test
5.4.1 Coefficient B--Increment of All-round Pressure
5.4.2 Coefficient A--Increment of Difference of Main Principal Stresses
5.4.3 Pore Water Pressure during Triaxial Test
5.5 The Shear Strength Characteristics of Soil
5.5.1 The Shear Test Results of Sand
5.5.2 The Shear Test Results of Clay
5.5.3 Residual Strength
5.5.4 Sensitivity of Clay
5.5.5 Creep of Clay
5.6 Stress Paths and Concept of Critical State
5.6.1 Stress Paths
5.6.2 The Concept of Critical State
CHAPTER 6 EARTH PRESSURE ON RETAINING STRU~;
6.1 Introduction
6.2 Earth Pressure at Rest
6.3 Rankine' s Lateral Pressure
6.3.1 Rankine' s Theory of Active Earth Pressure
6.3.2 Rankine' s Theory of Passive Earth Pressure
6.3.3 Backfill-Partially Submerged Cohesionless Soil Supporting a Surcharge
6.3.4 Cohesive Soil with Horizontal Backfill
6.3.5 Rankine's Active and Passive Pressure with Sloping Backfill
6.4 Coulomb's Earth Pressure Theory
6.4.1 Coulomb' s Active Pressure
6.4.2 Graphic Solution for Coulomb's Active Earth Pressure
6.4.3 Active Force on Retaining Walls with Earthquake Forces
6.4.4 Coulomb' s Passive Pressure
6.5 Active Thrust on the Bracing Systems of Open Cuts
6.6 Summary and General Comments
CHAFFER 7 SLOPE STABILITY
7.1 Introduction
7.2 Slopes in Cohesionless Soil
7.2.1 Slopes in Cohesionless Soil in General Cases
7.2.2 Slope with Seepage
7.3 Slopes in Cohesive Soil Total Stress Analysis
7.3. I Slope Failure Mechanism in Cohesive Soil
7.3.2 Total Stress (φ = 0) Analysis
7.3.3 Location of the Most Critical Circle
7.3.4 Simplified Chart Method
7.4 Swedish Method of Slices
7.4.1 Method of Slices
7.4.2 Total Stress Method
7.4.3 Effective Stress Method
7.5 Bishop' s Simplified Method
7.6 Slope Stability in Practical Problems
7.6.1 Slope in multi--layered Soils or with Surcharge
7.6.2 Slope in Cohesive Soil with Steady Seepage
7.6.3 Effects of Earthquake on Slope Stability
7.7 Simplified Method for Compound Slip
7.8 Discussion
7.8.1 Critical Stage of a Practical Slope
7.8.2 Usage of Shear Strength of Soil
7.8.3 Allowable Factor of Safety
CHAFFER 8 BEARING CAPACITY OF FOUNDATIONS
8.1 Introduction
8.1.1 General Requirements of Foundations
8.1.2 Modes of Shear Failure
8.1.3 Various Definitions
8.2 Allowable Bearing Capacity Determined from Plastic Zone
8.3 Prandtl' s Theory
8.4 Terzaghi's Soil Bearing Capacity Formulas
8.4.1 Rough Base
8.4.2 Smooth Base
8.4.3 General Method for Shallow Foundations
8.4.4 Skempton' s Values of N for φ = 0 Soil
8.4.5 Hansen' s Recommendations
8.4.6 Eccentric Loads
8.5 In-situ Bearing Tests
8.5.1 The Plate-Beating Test
8.5.2 The Standard Penetration Test
8.5.3 The Cone Penetration Test
8.6 Code Recommendations for Bearing Capacity
8.7 Factors Influencing Bearing Capacity
8.7.1 Type of Soil and its Properties
8.7.2 Width of the Footing
8.7.3 Depth of Foundation
REFERENCES