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Description
The purpose of this project was to investigate and to improve the two most popular methods of Non-Destructive Testing of piles. Both the sonic-echo and the transient shock methods are dynamic methods that make use of the properties of stress wave propagation in piles, however, analyses are performed in different domains.Theoretical aspects of waves in rod-like structures were studied to obtain a sound understanding of the two testing methods. Testing and analysis techniques were investigated with the aim of ensuring that necessary information could be extracted from the test results and then interpreted correctly. The instrumentation system was constantly upgraded and improved in order to provide a fast and reliable system both for experimental and site testing. Simulation techniques, in the time domain and in the frequency domain, were developed to help the understanding of the convolution effect on the time trace and the coupling effect on the vibration spectrum respectively. Large-scale model piles with built-in defects were constructed in order that the various testing methods could be verified. The experimental programme was found to be an extremely valuable exercise which will aid the interpretation of site results. Finally, site piles were tested in order to confirm the versatility as well as reveal the limitations of the different methods.
Content:-
Acknowledgements
Abstract
Volume 1
CHAPTER 1: INTRODUCTION
CHAPTER 2: PILE FOUNDATION, DEFECTS AND TESTING
CHAPTER 3: THE SONIC-ECHO AND DYNAMIC RESPONSE METHODS
CHAPTER 4: WAVE THEORY
CHAPTER 5: TESTING AND ANALYSIS TECHNIQUES
CHAPTER 6: INSTRUMENTATION AND DEVELOPMENT
CHAPTER 7: COMPUTER SIMULATION
CHAPTER 8: EXPERIMENTAL PROGRAMME
CHAPTER 9: CASE STUDIES OF SITE PILES
CHAPTER 10: CONCLUSIONS AND RECOMMENDATIONS
REFERENCES
APPENDIX A
APPENDIX B
APPENDIX C
LIST OF PUBLISHED WORK
Volume 2
FIGURES
Author Details
"HON-FUNG CYRIL CHAN"
B.Sc.
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