V 



TC 



^Sl 



Fid 3 



VA 



• 11 $5 



A 



\)0-f<E^~ 





to-*] 





0.6. K^k^ Cc^. e^. ^^.Gt^r^dk.*^ v '^evC^ -Cj 



REPAIR, EVALUATION, MAINTENANCE, AND 

 REHABILITATION RESEARCH PROGRAM 



TECHNICAL REPORT REMR-CO-7 



METHODS TO REDUCE WAVE RUNUP AND 

 OVERTOPPING OF EXISTING STRUCTURES 



by 

 John P. Ahrens 



Coastal Engineering Research Center 



DEPARTMENT OF THE ARMY 



Waterways Experiment Station, Corps of Engineers 



PO Box 631, Vicksburg, Mississippi 39181-0631 



October 1988 

 Final Report 



Approved For Public Release; Distribution Unlimited 



Prepared for DEPARTMENT OF THE ARMY 

 US Army Corps of Engineers 

 Washington, DC 20314-1000 



under Civil Works Research Unit 32328 



