Recycled asphalt compositions and methods thereof
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United States of America Patent
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-
Dec 1, 2020
Grant Date -
Oct 29, 2020
app pub date -
Apr 22, 2020
filing date -
Apr 23, 2019
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A pavement composition includes a recycled hot mix asphalt (HMA) sheet mix composition including more than 50% and up to 100% recycled fines mixed with a rejuvenating agent. The recycled fines of the HMA sheet mix are separated from a reclaimed asphalt pavement (RAP) composition and substantially all of the recycled fines are capable of passing through a sieve having an opening size of ⅜ inch (9.5 mm). Pavement systems include an existing pavement layer and a thin-lift overlay made of the recycled HMA sheet mix on the existing pavement layer. Pavement systems also include a three-layer system including a leveling course layer, an interlayer, and a surface course layer in which the leveling course layer and/or the surface course layer include a recycled HMA sheet mix composition.
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Cited Art Landscape
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