More Articles for recycled materials

Special Report from TRB 2014: Warm Mix Asphalt

Better Roads Staff - Mar 07, 2014

Special Report from TRB 2014:  Warm Mix Asphalt

The incursion of warm-mix asphalt (WMA) into the nation’s bituminous pavements continues unabated. The latest National Asphalt Pavement Association (NAPA)/Federal Highway Administration (FHWA) survey of asphalt producers’ use of recycled materials and warm-mix asphalt find that nearly a quarter of all ...

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Running Shingles the Right Way

Better Roads Staff - Feb 07, 2014

Running Shingles the Right Way

By Daniel C. Brown   Correctly running recycled asphalt shingles (RAS) and reclaimed asphalt pavement (RAP) at the same time can be a tricky business. The main economic advantage to doing so, of course, is that you replace expensive virgin binder with ...

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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 Durability Factor

Better Roads Staff - Aug 07, 2013

The Durability Factor

The goal is performance over time Design durable roads and you are designing them “not to fail.” A variety of tools now exists that civil engineers can use to design pavements that will stand up to traffic and the elements, optimizing long-term ...

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Highway Contractor

Better Roads Staff - Sep 07, 2012

  Old Dog, New Tricks   Even with a strong foundation and a long history, you need to be willing and able to adapt to stay competitive today.   By John Latta   It’s not 2007 anymore. Changes in the economy, the way work is decided on, planned ...

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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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