United States Department of Transportation
i
Accelerated Performance Testing on the 2006 NCAT Pavement Test Track
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2009-12-01
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[PDF-2.46 MB]
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Abstract:The National Center for Asphalt Technology (NCAT) Pavement Test Track was completed in the summer of 2000 and then subjected to 10 million equivalent single axle loads (ESALs) of truck traffic through December of 2002. Built as a perpetual pavement, the first cycle of testing was a study of surface mix performance for forty-six 200 foot test sections. Many of the test sections were rebuilt in the summer of 2003, this time with a combination of mill/inlay surface mixes and variable thickness structural sections. 10 million ESALs were applied to the new sections and sections which remained in place from the original track accumulated 20 million ESAL loadings. Likewise, the 2006 Track was a combination of varied thickness structural sections and mill/inlay surface mixes. The 2006 NCAT Pavement Test Track represents the third 3-year research cycle.
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