材料力学

Contents

Preface

1.Tension，Compression，and Shear

1.1 Introduction to Mechanics of Materials

1.2 Normal Stress and Strain

1.3 Mechanical Properties of Materials

1.4 Elasticity，Plasticity，and Creep

1.5 Linear Elasticity.Hooke'S Law.and Poisson'S Ratio 1

1.6 Shear Stress and Strain

1.7 Allowable Stresses and Allowable Loads

1.8 Design for Axial Loads and Direct Shear

Problems

2. Axially Loaded Members

2.1 IntroductiOn

2.2 Changes in Lengths of Axially Loaded Members

2.3 Changes in Lengths under Nonuniform Conditions

2.4 Statically Indeterminate Structures

2.5 Thermal Effects.Misfits.and PrestrairlS

2.6 Stresses on Inclined Sections

2.7 Strain Energy

2.8 Impact Loading

2.9 Repeated Loading and Fatigue

2.10 Stress Concentrations

2.11 Nonlinear Behavior

2.12 Elastoplastic Analysis

Problems

3.TOrsion

3.1 IntrOductiOn

3.2 TDrsional Deformations of a Circular Bar

3.3 Circular Bars of Linearly Elastic Materials

3.4 Nonuniform Torsion

3.5 Stresses and Strains in Pure Shear

3.6 Relationship Between Moduli of Elasticity E and G

3.7 Transmission of Power bv Circular ShaftS

3.8 Statically Indeterminate Torsional Members

3.9 Strain Energy in Torsion and Pure Shear

3.10 Thin-Walled Tubes

3.11 Stress COncentrations in Torsion

Problems

4.Shear FoFees and Bending Moments

4.1 Introduction

4.2 Types of Beams.LoadS.and Reactions

4.3 Shear Forces and Bending Moments

4.4 Relationships Between Loads.Shear Forces.and Bending Moments

4.5 Shear-Force and Bending-Moment Diagrams

Problems

5.Stresses in Bcams（Basic Topics）

5.1 InLroduction

5.2 Pure Bending and Nonuniform Bending

5.3 Curvature of a Beam

5.4 Longitudinal Strains in Bearns

5.5 Normal Stresses in Beams fLinearly Elastic Materialsl

5.6 Design of Beams for Bending Stresses

5.7 Nonprismatic Beams

5.8 Shear Stresses in Bcams of Rectangular Cross Section

5.9 Shear Stresses in Beams of Circular Cross Section

5.10 Shear Stresses in the Webs 0f Bearns with Flanges

5.11 Built-UP Beams and Shear Flow

5.12 Beams with Axial Loads

5.13 Stress Concentrations in Bending

Problems

6. Stresses in Bcams（Advanced Topics）

6.1 IntrOduction

6.2 Composite Beams

6.3 Transformed-Section Method

6.4 Doubly Symmetric Beams with Inclined Loads

6.5 Bending Of Unsymmetric Beams

6.6 The Shear-Center Concept 3

6.7 Shear Stresses in Bearns of Thin-Walied Open Cross Sections

6.8 Shear Stresses in Wide.Flange Bcams

6.9 Shear Centers of Thin-Wlied Open Sections

6.10 Elastoplastic Bending

Problems

7.Analysis of Stress and Strain

7.1 Introduction

7.2 Plane Stress

7.3 Principal Stresses and Maximum Shear Stresses

7.4 Mohr'S Circle for Plane Stress

7.5 Hooke'S Law for Plane Stress

7.6 Triaxial Stress

7.7 Plane Strain

Problems

8.Applications of Plane Stress（Pressure Vessels，Beams，and Combined Loadings）

8.1 Introduction

8.2 Spherical Pressure Vessels

8.3 Cylindrical Pressure Vessels

8.4 Maximum Stresses in Beams

8.5 Combined Loadings

Problems

9.Deflections of Bearns

9.1 Introduction

9.2 Differential Equations of the Deflection Curve

9.3 Deflections by Integration of the Bending-Moment Equation

9.4 Deflections by Integration of the Shear-Force and Load Equations

9.5 Method of Superposition

9.6 Moment-Area Method

9.7 Nonprismatic Beams

9.8 Strain Energy of Bending

9.9 Castigliano'S Theorem

9.10 Deflections Produced by Impact

9.11 Temperature Effects

Problems

10.Statically Indeterminate Beams

10.1 Introduction

10.2 Types of Statically Indeterminate Beams

10.3 Analysis by the Differential Equations of the Deflection Curve

10.4 Method of Superposition

10.5 Temperature Efiects

10.6 Longitudinal Displacements at the Ends of a Beam

Problems

11.Columns

11.1 Introduction

11.2 Buckling and Stability

11.3 Columns with Pinned Ends

11.4 Columns with Other Support Conditions

11.5 Columns with Eccentric Axial Loads

11.6 The Secant Formula for Columns

11.7 Elastic and Inelastic Column Behavior

11.8 Inelastic Buckling

Problems

12.Review of Centroids and Moments of Inertia

12.1 Introduction

12.2 Centroids of Plane Areas

12.3 Centroids of Composite Ateas

12.4 Moments of Inertia of Plane Areas

12.5 Parallel-Axis Theorem for Moments of Inertia

12.6 Polar Moments of Inertia

12.7 Products of Inertia

12.8 Rotation of Axes

12.9 Principal Axes and Principal Moments of Inertia

Problems

References and Historical Notes

Appendix A：Systems of Units and Conversion Factors

Appendix B：Problem Solving

Appendix C：Mathematical Formulas

Appendix D：Properties of Plane Areas

Appendix E：Properties of Structural-Steel Shapes

Appendix F：Properties of Solid Timber

Appendix G：Deflections and Slopes of Beams

Appendix H：Properties of Materials

Answers to Problems

Index

《材料力学(英文版)(原书第7版)》：时代教育国外高校优秀教材精选。《材料力学(英文版)(原书第7版)》叙述简洁、插图清晰、精美。第7版更新了习题，渗透了作者在该领域的新思想，更为精炼。更加可读。《材料力学(英文版)(原书第7版)》融汇、贯通了著名力学家和教育家铁摩辛柯(S．P．Timoshenko)的力学教育理念，有利于初学者从个别到一般，由感性到理性地把握该门课程。该书共12章，内容包括拉伸、压缩和剪切。轴向载荷构件，扭转变形，剪切力和弯矩，梁的应力，应力和应变分析，水平应力应用，梁的挠度，超静定梁，柱。矩心和转动惯量等。【作者简介】作者：（美国）盖尔（James M.Gere） （美国）吉德诺（Barry J.Goodno）