More Articles for Audrey Copeland

Plant Management of RAP/RCA

Better Roads Staff - Nov 06, 2013

Plant Management of RAP/RCA

Processing and storage makes reclaimed asphalt pavement and recycled concrete aggregate useful as aggregate.   By Tom Kuennen, Contributing Editor   In the past two decades, reclaimed asphalt pavement (RAP) and recycled concrete aggregate (RCA) have taken their places among materials commonly used for ...

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The Durable Performance of Perpetual Pavements

Contributed - Oct 04, 2013

The Durable Performance of Perpetual Pavements

When the Iowa Department of Transportation (IDOT) opened a new stretch of U.S. Highway 151 in Linn County back in 1966, they wanted a road that would last a long time, but they never imagined the traffic loads and heavy-weight trucks ...

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Road Science

Better Roads Staff - Sep 06, 2012

Road Science

The Second Time Around   Recycled materials need analysis, characterization   By Tom Kuennen, Contributing Editor             There is no stopping the growth of recycled and reclaimed materials in pavements. The use of reclaimed asphalt pavement (RAP), reclaimed asphalt shingles (RAS), recycled concrete aggregate (RCA), and recycled ...

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Road Science

Better Roads Staff - Nov 13, 2011

Road Science

?%# What percentage of RAP is best? It depends. T here are powerful inducements today to reuse reclaimed asphalt pavement (RAP) in a variety of applications. And the big question about RAP has shifted from whether it belongs in mixes at all, ...

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