Full-Scale Fatigue Testing of Components and Structures

Preface

Contributors


1 Introduction


1.1 Historical Background


1.2 Servo-Hydraulic Fatigue Testing Equipment


1.3 Reasons for Full-Scale Fatigue Testing 5


1.4 Requirements of a Full-Scale Fatigue Test


1.5 Types of Full-Scale Test


1.6 Summary

References


2 Full-Scale Fatigue Testing of Aircraft Structures


2.1 Introduction


2.2 History


2.3 Design Philosophies and their Relation To Full-Scale Testing


2.4 Justification for Full-Scale Fatigue Testing of Aircraft


2.5 Correlation Between The Results of Full-Scale Tests and Service Experience


2.6 Case Study: 'Branger's Banger'


2.7 Case Study: Concorde


2.8 Concluding Remarks

Acknowledgements

References


3 Automotive Components and Systems: The Role of Full-Scale Fatigue Testing


3.1 Introduction


3.2 Historical Overview


3.3 Review of Test Procedures


3.4 Case Studies


3.5 Concluding Remarks

Acknowledgements

References


4 Railway Component Fatigue Testing


4.1 Introduction


4.2 Constant Amplitude - Ranking Tests


4.3 Constant Amplitude - Design Data


4.4 Constant Amplitude - K-Calibration


4.5 Variable Amplitude


4.6 Equipment


4.7 Procedures


4.8 The Future


4.9 Conclusion


5 Fatigue Evaluation of Helicopter Rotor Heads


5.1 Introduction


5.2 Loads on a Helicopter Rotor


5.3 Description of the Westland 30/300 Rotor Head


5.4 Flight Measurement and Analysis of the Loads


5.5 Derivation of Test Loads


5.6 Fatigue Test Programmes


5.7 Universal Rotor Head Test Facility


5.8 Other Facilities


5.9 Conclusions


6 The Fatigue Strength of Artillery Gun Structures


6.1 Introduction


6.2 Early Tests


6.3 Service Simulation Fatigue Tests


6.4 Further Tests


6.5 Discussion

Acknowledgements

References


7 The Fatigue Strength of Offshore Structures and Components


7.1 Introduction


7.2 UKOSRP-I


7.3 UKOSRP-II


7.4 Prototype Development of Offshore Components References


8 Fatigue Testing of Bridge Components


8.1 Background


8.2 Welded Plating


8.3 Concrete


8.4 Reinforcing and Pre-Stressing Steel


8.5 Structural Connections


8.6 Full-Scale Bridges


8.7 Summary

Acknowledgements

References


9 The Fatigue of Military Bridges


9.1 Introduction


9.2 Design and Testing Philosophy


9.3 Fatigue Testing Equipment


9.4 Testing Techniques


9.5 Concluding Remarks

References


10 Structural Testing in Nuclear Engineering


10.1 Introduction


10.2 Test Facilities


10.3 Summary

Acknowledgements

References


11 Fatigue Testing of Gas Turbine Components


11.1 Introduction


11.2 Component Life Prediction


11.3 Design Requirements


11.4 Safe Predicted Total Life


11.5 Safe Crack Propagation Life


11.6 Full-Scale Component Testing - Gas Turbine Components


11.7 Conclusions

Acknowledgements

References


12 Fatigue Testing of Mobile Crane Components and Structures


12.1 Introduction


12.2 Component Testing


12.3 Tests on Part Structures


12.4 Fatigue Tests on Complete Structural Assemblies


12.5 Concluding Remarks

Acknowledgement

References


13 Fatigue Strength of Ropes


13.1 Introduction


13.2 Wire Ropes


13.3 Synthetic Fibre Ropes


13.4 Concluding Remarks

References


14 Fatigue Strength of General Mechanical Engineering Components


14.1 Introduction


14.2 Testing Requirements


14.3 Comment


14.4 Liability

Acknowledgement

References


15 The Service Operating Environment-A Vital Input


15.1 Introduction


15.2 Historical Overview


15.3 Case Study


15.4 Concluding Remarks

Acknowledgements

References


16 The Design and Operation of the Strongf Loor Structural Testing Laboratory at NEL


16.1 Introduction


16.2 Main Strong Floor Dimensions


16.3 Strong Floor Strong Points


16.4 Seismic Block


16.5 Seismic Block Strong Points


16.6 Ring Main Hydraulic Supply


16.7 Test Rigs and Equipment


16.8 Maintenance of the Laboratory and Facilities


16.9 Development of The Facility


16.10 Concluding Remarks


17 The Use of a Structural Fatigue Testing Laboratory for Other Tests

References


18 Concluding Remarks

Index