Processing bituminous mixtures for paving at reduced temperatures
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United States of America Patent
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Mar 18, 2014
Grant Date -
Aug 23, 2012
app pub date -
Mar 16, 2012
filing date -
Feb 22, 2008
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Abstract
Bituminous paving mixtures containing lubricating agents or additives may be prepared at hot mix temperatures and cooled, paved and compacted at temperatures 10-55° C. lower than the hot mix temperatures. The increased temperature range between the hot mix temperatures and the paving and compacting temperatures is facilitated by the improved compacting properties of the paving mixture when it includes the lubricating agents or additives.
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