CONTENTS 



Page 



PREFACE 1 



PART I : INTRODUCTION 3 



Background 3 



Scope 4 



PART II: LABORATORY SETUP AND TECHNIQUES USED 5 



Stability Tests 7 



Previous Damage Tests 8 



Profile Surveys 10 



PART III : STABILITY AND PERFORMANCE RESULTS 11 



Stability to Irregular Wave Attack 11 



Wave Transmission 28 



Wave Reflection and Energy Dissipation 36 



PART IV: CONCLUSIONS 43 



REFERENCES 45 



PHOTO 1 



APPENDIX A: TABULAR SUMMARY OF STABILITY AND PERFORMANCE DATA Al 



APPENDIX B: REGRESSION ANALYSIS USED TO DEVELOP FIGURE 29 



SHOWING ENERGY DISTRIBUTION IN VICINITY OF REEF Bl 



APPENDIX C: NOTATION CI 



