CONTENTS 



Page 



Section 



GENERAL 



I . I ntroduct ion 



2. Description of Device .... 



3. Operation of Sand-l^oving Device 



Section I I TEST SETUP 



The Wave Tank 



Absorber Beach 



Sand Simulant Profile 



Sand Simulant Characteristics . . . . 



System for Moving Device 



Establishment of Equilibrium Profile 



Section 111 TEST PROCEDURES 



Test Types 



Water Level 



Wave Height Measurement 



Wave Height and Period Calibration 

 Profile Surveying Technique . . . . 



Slope Remolding 



Device Placement 



Device Operation 



Run Termination and Analysis . . . 

 Scale Relationships 



9 



9 



9 



9 



9 



10 



10 



10 



Section IV RESULTS 



1. General Description of Figures 5 through 21 



2. General Description of Tables I through 8 



3. Discussion and Results of Runs I through 16 



4. Conclusions • 



12 

 14 

 25 



ILLUSTRATIONS 

 Figure 



I -a View of Device, Check Valves in Open Position 2 



l-b View of Device, Check Valves in Closed Position 2 



2 View of Test -Flume 4 



3-a Cross Section of Absorber Beach Profile 5 



3-b Cross Section of Test Flume Profile 5 



4-a Winch for Moving Device 7 



4-b Shoreward Section of Cable System 7 



