UL 4 "S.<W 



TP 81-5 



Design of Riprap Revetments for 

 Protection Against Wave Attack 



by 

 John P. Ahrens 



TECHNICAL PAPER NO. 81-5 

 DECEMBER 1981 



Approved for public release; 

 distribution unlimited. 



WHO/ 



WCUMENT 



COLLECTION 



U.S. ARMY, CORPS OF ENGINEERS 



COASTAL ENGINEERING 

 GP> RESEARCH CENTER 



Kingman Building 

 Fort Belvoir, Va. 22060 



