V ^^L\m\\ of runup on a |:3 slope 



'-^ 



SWL 



\ 



\ First approximate 



'*•. i^ slope to obtain 



* • •T \ second R 



• • N 



Berm->- \ •.. 4. 8ni = R, (Runup on a 13 slope) 



'^77777777^777777: 



Breaker location 



2.1 m=db 



' / X X ^ //////y/y^.//////yy;y//// 



Limit of runup on 1 : 6.1 slope 



''•. / Limit of runup on a |:7.6 slope 

 -• ^^^ — i- 



1.8. 



\^/7^/7?^7///77, 



Berm 



6.1 Second approximate slope T 



"I I to obtain R3 | 



aSmiRj 



(Runup on a |:5.7 slope) 



SWL 



Breoker locotion 



/ 



'77777777? 



Breoker location 



Limit of runup on a |:8.4 slope 



I .6m ; R^ i.Sm 

 SWL i I 



Note: Final runup calculation will 

 indicate minor runup on to 

 berm ot 1 .8m 



Figure 7-22. Successive approximations to runup on a composite slope; 

 example problem. 



7-40 



