Workgroup Contents

Lecture 12.6 : Fatigue Behaviour of Bolted Connections

1. INTRODUCTION

2. FATIGUE BEHAVIOUR OF BOLTS LOADED IN TENSION

2.1 Location of Failure

2.2 Influence of Mean Stress and Material

2.3 The Fatigue Design Curve for Bolts in Tension

2.4 Comparison Between Ultimate and Fatigue Load Resistance of a Bolt

3. FATIGUE BEHAVIOUR OF BOLTED CONNECTIONS LOADED IN TENSION

3.1 The Principle of the Effect of Preloading

3.2 The Effect of the Location of the Contact Area

4. FATIGUE OF BOLTED CONNECTIONS LOADED IN SHEAR

4.1 The Principle of Load Transfer

4.2 Stress Concentration Around the Holes

4.3 Location of Failure

5. FATIGUE DESIGN CURVES FOR CONNECTIONS LOADED IN SHEAR

5.1 Non Preloaded Bolts

5.2 Preloaded Bolts

6. REMARKS CONCERNING THE MAGNITUDE OF THE PRELOAD

7. FATIGUE STRENGTH OF ANCHOR BOLTS

8. CONCLUDING SUMMARY