TP 76-19 



Overlay of Large, Placed Quarrystone 



and 

 Boulders to Increase Riprap Stability 



by 

 Bruce L. McCartney and John P. Ahrens 



TECHNICAL PAPER NO. 76-19 

 DECEMBER 1976 





Approved for public release; 

 distribution unlimited. 



U.S. ARMY, CORPS OF ENGINEERS 



COASTAL ENGINEERINe 

 RESEARCH CENTER 



Kingman Building 

 Fort Belvoir, Va. 22060 



