LEGEND 







(H/L) I0 J 







+ 0.6 to 1.9 







o 2,0 to 6.0 







x 6.0 »c 9.8 





D/d 



B/D D(cm) G/D 







PT-BW 0.14 



18.5 64 5.5 



+ O X 



GOODYEAR 0.16 



18.5 64 



0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4,50 



Relotive Wavelength ( L/B) 



Figure 41. Comparison of Goodyear and PT-2 wave attenuation (d = 4.7 m) 



Goodyear data 



; -j 



» % 2 



o I i 



PT-Breakwater 



D/d 

 0,33 



B/D 

 18.5 



LEGEND 



(H/L) I0 J 

 + 0.6 to 1.9 

 o 2.0 to 6.0 

 X 6,0 to 8.9 



D(cm) G/D 

 64 5.5 



0.50 1,00 1.50 2,00 2,50 3.00 3.50 4.00 4.50 



Relative Wavelength ( L/B) 



Figure 42. Comparison of Goodyear and PT-2 wave attenuation (d = 2.0 m) 



43 



