CONTENTS 



Page 



CONVERSION FACTORS, U.S. CUSTOMARY TO METRIC (SI) 6 



SYMBOLS AND DEFINITIONS 7 



I INTRODUCTION 9 



II TEST SETUP AND PROCEDURE 9 



1. Large Wave Tank (LVJT) Tests 9 



2. Small-Scale Tests 10 



III METHOD OF DATA ANALYSIS 14 



IV COMPARISON OF MODEL AND PROTOTYPE DATA 16 



1. Damage 16 



2. Profile Shapes 19 



3 . Runup 21 



4. Flow Regime 21 



V COMPARISON WITH OTHER SOURCES OF DATA 23 



VI RESULTS AND CONCLUSIONS 27 



LITERATURE CITED 29 



TABLES 



1 Basic Data 17 



2 Correlation coefficients for model and prototype profiles 22 



3 Runup 22 



4 Flow regime computations 24 



5 HRS data 26 



FIGURES 



1 Profile view of wave tank and test setup 11 



2 Armor gradation analysis 12 



3 Filter gradation analysis 12 



4 Riprap damage profile 15 



5 Typical small-scale and prototype damage trends for 



d/gT^ = 0.0144 15 



6 Zero-damage stability numbers, damage rate coefficients, and 



relative runup versus relative depth 18 



4 



