TIRE MAT 



"Tires 

 'Optionol Filter 



SECTION 



Prototype Installation : 

 Unknown locations. 



Wave Tank Tests : 



Bolts 



CONNECTION DETAIL 



Unknown . 



Design Factors : 



Zero-damage wave height: 3 to 5 feet (estimated). 



Wave runup: 0.6 to 0.7 compared to smooth slope (estimated). 

 Wave reflection: Moderate (estimated) . 



Remarks : 



Used car tires are bolted together through the tread to form a mat. 



After mat is on beach, sand cement is placed in tires for ballast. 



A tire mat would be durable, flexible, and inexpensive (McCartney, 

 1975). 



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