Desi gn Problem Ph usical fnvironment 



Pocje rio : 

 Calculnic^'J [■■ 



Uoio. : 



35 of ;33 



7 hAar.lZ 



Wave Conditions on bay Side of IsJond (conf.) 



From dashed curve on previous page and 

 graph on page b- 30 for H^ and T^ as a function 

 of U. 



The com puled i/vave heights plot as a straight 

 fine on log- normal probability paper (See Figure 

 6-/7 7 neKt page). 



Note: Economic considerations as well as the 



purpose of a given structure will determine 

 the design t\ove conditions. The increased 

 protection afforded by designing for a 

 higher wave \Nould have to be )^eighed 

 against the Increase in structure cost. 



For the illustrative purposes of ^ this problem, 

 the significant wove height with a recurrence 

 interval of wo qrs. will be used. 



Therefore J for design, 



H^= 9.9 ft 



5 = G.esec. 



for waves generated in Delaware 3ay. 



8-35 



