CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 5 



SYMBOLS AND DEFINITIONS 6 



I INTRODUCTION 7 



II WAVE TANK TESTS 7 



1. General 7 



2. Small-scale Tests 8 



3. Prototype Tests 14 



III ANALYSIS OF TEST RESULTS 14 



1. Discussion 17 



2. Conclusions 20 



LITERATURE CITED 23 



APPENDIX 



A CASE STUDY OF OAHE RESERVOIR 25 



B EXAMPLE PROBLEM 33 



TABLES 



1 Riprap and overlay stability test conditions and results 9 



2 Comparison summary of stone overlay stability 18 



3 Comparison of stone gradations 18 ■ 



FIGURES 



1 Details of small wave tank test section 8 



2 Small wave tank test of 100-percent stone overlay (angular 



quarrystone) 11 



3 Small wave tank test of 100-percent stone overlay (boulders) ... 12 



4 Small wave tank test of 67-percent stone overlay (boulders) ... 13 



5 Details of large wave tank test section 14 



6 Prototype tests of 100-percent stone overlay (quarrystone) 



coverage 15 



7 Stone coverage fraction for overlay coverage and armor shape. . . 21 



