Similsr computations may be made if there is no water on the land side, 

 in which case the thirust per linear foot of the structure is 



R . ?sL_ . Pd 



„ (d + .J^) 



2 ^ 2 



(31) 



and the moment about the ground line is 



M = ^ d ♦ !d + (d + ?)^ 



(32) 









p + p . 



still water 





m s 



n 





-%- 



'm 



D ~ — -- -zr- 



\ 



i 

 • 1 



^%:;^^::^^^^ 



W^^s 



levfll 



y • 





■••-.. Pd 





1 







FIG 



JRE 78. 



Pd ■ 1 



Minikin wave pressure 



; diag 



ram 



109 



