This report describes a project in which approximately 6,200 tons (5,630 Mg) of asphaltic concrete were recycled through a conventional asphalt batch plant. During the construction of the project, a buildup of asphalt-coated fines occurred in the dryer and the dust collector. The buildup is thought to have been associated with the fineness and/or the high asphalt content of the recycled mix. To solve the problem, a change was made in the recycling process. The project was completed using a heat transfer method with mix proportions as high as 50% recycled material added to 50% virgin aggregate.
After some success in the process of recycling asphalt pavements in 1975, Kossuth County decided to implement further recycling projects on a larger s...
The primary objective of this project was to demonstrate the feasibility of constructing a bituminous pavement by the hot recycling process. Secondary...
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United States Department of Transportation
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