SEALED AGGLOMERATED BASE COMPOSITION FOR A SUB-BASE LAYER COMPRISING A HIGH PROPORTION OF LARGER AGGREGATES
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United States of America Patent
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Issued Date -
Jan 7, 2016
app pub date -
Jul 1, 2015
filing date -
Jul 3, 2014
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Abstract
A sealed agglomerated base (SAB) composition includes at least a hydrocarbon binder and a granular mixture, the granular mixture having the following particle size distribution, by weight, as compared to the granular mixture total weight: 45 to 90% of the granular mixture have a size that is higher than or equal to 10 mm, with at least 25% having a size that is higher than or equal to 20 mm, characterized in that the void content in volume as compared to the SAB composition total volume, as measured according to the NF EN 12697 Standard at 120 gyrations in a gyratory shear compactor (GSC), is lower than or equal to 10%, preferably ranges from 2 to 9% and most preferably from 4 to 8%. A road coating including the SAB composition is also described.
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