Bituminous paving composition and process for bituminous paving
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United States of America Patent
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Jun 4, 2013
Grant Date -
Dec 10, 2009
app pub date -
Aug 19, 2009
filing date -
Sep 12, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a bituminous composition, a process for preparing a bituminous paving composition and process for bituminous paving having lower mixing, paving, and compaction temperatures than for conventional hot-mix paving while retaining sufficient performance characteristics of conventional hot-mix paving. The inventive paving process comprises the steps of injecting an aqueous solution comprising a lubricating substance into a heated, asphalt binder to provide a heated, foamed mixture; adding the heated, foamed mixture to a suitable, heated aggregate; further mixing the heated, foamed mixture and heated aggregate to coat the heated aggregate with the heated, foamed, asphalt binder to form a heated paving material; supplying the heated paving material to a paving machine; applying the heated paving material by the paving machine to a surface to be paved; and compacting the applied paving material to form a paved surface.
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Cited Art Landscape
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