This memo documents the results of initial data analysis efforts by the UVM research team for pavement testing using the Hamburg Wheel Tracker (HWT) test by the Vermont Agency of Transportation’s Materials Testing & Certification Lab. The ultimate objective of the Hamburg Wheel Tracker project is to develop a method for calculating pay factors for use by the Agency in paying contractors for hot mix asphalt (HMA) mixture durability characteristics in accordance with AASHTO T324. The Agency’s intent is to use pay factors to create incentives for HMA contractors to furnish, mix, haul, and place high performing HMA mixtures. The initial component of the project involves cleaning, sorting, and analyzing the data the Agency currently has related to the testing of different HMA mixtures using the HWT test.
The performance of Class ¾ inch dense graded HMA pavements built between 1998 and 2002 were examined to determine their performing. No evidence was f...
Superpave is an acronym for Superior Performing Asphalt Pavements. Superpave is a new, comprehensive asphalt mix design and analysis system, a product...
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United States Department of Transportation
[PDF-1.49 MB]
