CONTENTS 



Page 

 I INTRODUCTION 11 



II TRANSMISSION AND REFLECTION CHARACTERISTICS OF 



RECTANGULAR CRIB- STYLE BREAKWATERS 15 



1. Preliminary Remarks 15 



2. Analytical Solution for Transmission and 



Reflection Coefficients of Crib-Style Breakwaters . 16 



3. Comparison with Experimental Results 31 



4. Discussion and Application of Results 37 



III REFLECTION COEFFICIENT OF ROUGH IMPERMEABLE SLOPES. ... 47 



1. Preliminary Remarks 47 



2. Theoretical Solution for the Reflection 



Coefficient of Rough Impermeable Slopes 48 



3. Experimental Investigation 60 



4. Comparison of Predicted and Observed Reflection 



Coefficients of Rough Impermeable Slopes 69 



5. Discussion and Application of Results 75 



IV AN APPROXIMATE METHOD FOR THE PREDICTION OF 

 REFLECTION AND TRANSMISSION COEFFICIENTS OF 

 TRAPEZOIDAL, MULTILAYERED BREAKWATERS 80 



1. Description of the Approximate Approach 80 



2. Determination of the Equivalent Rectangular 



Breakwater 82 



3. Computation of the Transmission and Reflection 



Coefficients for Trapezoidal, Multilayered 



Breakwaters 90 



4. Comparison Between Predicted and Observed 



Transmission and Reflection Coefficients of a 

 Trapezoidal, Multilayered Breakwater 96 



V SUMMARY AND CONCLUSIONS 100 



LITERATURE CITED ^ 102 



APPENDIX 



A GOVERNING EQUATIONS AND THEIR SOLUTIONS 105 



B EXPERIMENTAL DATA 124 



C DETERMINATION OF REFLECTION COEFFICIENT 129 



TABLES 



1 Information used in numerical sample calculations 42 



2 Comparison of measured and predicted reflection 



coefficients 71 



