H Highest wave height at structure that causes no damage 



H,^ Zero -moment wave height 



(H mo ) i Incident wave height 



(H^t Transmitted wave height 



K d Stability coefficient 



K t | Transmission coefficient 



L^/Lj/ Linear scale of the model 



(Lp) Peak deepwater wavelength 



m Model quantity 



p Prototype quantity 



r Subscript denoting ratio of model to prototype 



S a Specific gravity of an individual armor unit relative to the water 

 in which it is placed, S a = 7 a /7 w 



T p Peak wave period 



W a Weight of an individual armor unit, pcf 



7 a Specific weight of an individual armor unit, pcf 



7 W Specific weight of water, pcf 



6 Angle of structure slope measured from horizontal in degrees 



B3 



