Asphalt Rubber Technology Information Center
Asphalt Rubber-Three Layer System Test Section, First Annual Report
Author(s):
Webb, Mark  
Origin:
Missouri  
Date:
June, 1993  
Categories:
Performance  
Key Words:
Asphalt rubber  
Summary:
A portland cement concrete pavement was overlaid with a three-layer system consisting of ¾ inch of gap graded mix
with asphalt-rubber over the concrete following with a ½ inch SAMI.  Surface is one inch of open graded friction course
with an asphalt-rubber binder.  Very few reflection cracks were observed in the test and control sections.  Some
potholes and mild reveling have appeared in the test section.  Friction values for the control are slightly higher than the
test section.
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