Asphalt Rubber Technology Information Center
Production of Asphalt Rubber Concrete by the Dry Process
Author(s):
Anderson, Chris, Iowa DOT  
Origin:
Iowa  
Date:
April, 1994  
Categories:
Performance  
Key Words:
asphalt rubber concrete, crumb rubber modifier, dry process, tire recycling  
Summary:
A test section was placed in Shelby County using rubber modified hot mix with the dry process.  A double drum mixer
was used that introduced the rubber with the bag house fines return.  Conclusions are that temperatures lower than used
for the wet process could be used.  No special provisions for productions and placement were required.  Performance
evaluations are planned.
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