APPENDIX D 



VALUES OF r FOR QUARRYSTONE RUBBLE-MOUND STRUCTURE 



(LOW CORE; d /H' < 3) 

 s o -^ 



Table D-1. Values of r for quarrystone 

 rubble mound. 



Wave and struc- 









ture conditions 



slope fcot 



ei 



r 



d 













1.25 





0.57 











1.50 





0.45 



h 



5^ < 0.75 



2.00 





0.44 



s 



2.50 





0.42 





3.00 





0.44 





4.00 





0.48 





5.00 





0.48 



SLOPES 1 



Upper 



Lower 



1 on 1.25 



1 on 1.25 



1 on 1.50 

 1 on 2.00 

 1 on 2.50 



1 on 1.50 



1 on 3.00 

 1 on 4.00 

 1 on 5.00 



1 on 2.00 



Figure D-1. Sketch of low-core rubble-mound structure used 

 for experiments. 



26 



