Industry roundtable

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					RECYCLING & CRUSHING PLANTS




Industry roundtable
Several suppliers of crushing & recycling equipment spoke with
us about the increase of RAP content in mix designs and what
				
DOCUMENT INFO
Description: See my answer above for crushing. If you're putting more than 20-percent RAP back into HMA or WMA, then sizing RAP into two sizes is optimal. This helps control segregation and, therefore you have better control on air voids in the mix design. Typically, two sizes around Vi" ? 1A" and Vi' ? 0 works best for increasing RAP usage. A high frequency screening device would be preferred due to finer material separations.
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