Seaward 



Leeward 



Crest Width 



Breakwater Crest 



■Idealized Multilayer Section 



H = Wave Height 



W = Weigtit of Individual Armor Unit 

 r = Average Layer Thickness 



For concrete armor: ' Sections HI, 7, g, (1), (2) and (6) 

 ' Section IE, 7,g, (7) 

 3 Section m 7. g, (8) /Crest Widtti 



Breokwoter Crest t ' — ^-~ 

 Max. Design SWL -. <^- - 



^SWL (Minimum ) 

 H 



Recommended Three- layer Section 



Figure 7-116. 



Rubble-mound section for seaward wave exposure with zero-to- 

 moderate overtopping conditions. 



7-227 



