Table of Contents

1. Stress

Chapter Objectives   

1.1          Introduction

1.2          Equilibrium of a Deformable Body

1.3          Stress

1.4          Average Normal Stress in an Axially Loaded Bar   

1.5          Average Shear Stress   

1.6          Allowable Stress Design   

1.7          Limit State Design   

2. Strain

Chapter Objectives   

2.1          Deformation

2.2          Strain

3. Mechanical Properties of Materials

Chapter Objectives

3.1          The Tension and Compression Test

3.2          The Stress—Strain Diagram

3.3          Stress—Strain Behavior of Ductile and Brittle Materials    

3.4          Strain Energy

3.5          Poisson’s Ratio   

3.6          The Shear Stress—Strain Diagram    

*3.7        Failure of Materials Due to Creep and Fatigue   

4. Axial Load

Chapter Objectives   

4.1          Saint-Venant’s Principle    

4.2          Elastic Deformation of an Axially Loaded Member

4.3          Principle of Superposition   

4.4          Statically Indeterminate Axially Loaded Members

4.5          The Force Method of Analysis for Axially Loaded Members   

4.6          Thermal Stress   

4.7          Stress Concentrations    

*4.8         Inelastic Axial Deformation   

*4.9         Residual Stress   

5. Torsion

Chapter Objectives

5.1          Torsional Deformation of a Circular Shaft

5.2          The Torsion Formula    

About the Author

R.C. Hibbeler graduated from the University of Illinois at Urbana with a BS in Civil Engineering (majoring in Structures) and an MS in Nuclear Engineering. He obtained his PhD in Theoretical and Applied Mechanics from Northwestern University. Professor Hibbeler’s professional experience includes postdoctoral work in reactor safety and analysis at Argonne National Laboratory, and structural and stress analysis work at Chicago Bridge and Iron, as well as at Sargent and Lundy in Chicago. He has practiced engineering in Ohio, New York, and Louisiana.

Professor Hibbeler currently teaches both civil and mechanical engineering courses at the University of Louisiana– Lafayette. In the past, he has taught at the University of Illinois at Urbana, Youngstown State University, Illinois Institute of Technology, and Union College.