

LEGEND 



Q he 144FT 

 A T ■ 476 FT 2 



















A T 

 O "c 



15 6 FT 

 542 FT 2 



168 FT 

 612 FT 2 









y 



i 







































































Figure 5. Transmitted wave height versus incident wave height 

 for reef breakwaters, in water depth of 12.0 ft, exposed to inci- 

 dent wave spectrum with period of peak energy density of 8.0 sec 







LEG 



END 















J? 





□ 



n = 3 















^A 







n . 6 



1 1 27 F T' 















X / 





A 





















A T ■ 1355 FT 2 



















O 



n ■ 12 

















\ 



^ 



4 



1810FT 2 



^ 



r 



^ 











Figure 6. Transmitted wave heights versus incident wave height 

 for reef breakwaters, in water depth of 20 ft, exposed to inci- 

 dent wave spectrum with period of peak energy density of 8.0 sec 



I I 



