More Articles for RAP

New Law Permits 100 Percent RAP on Streets

Daniel C. Brown - Sep 05, 2014

New Law Permits  100 Percent  RAP on Streets

By Daniel C. Brown, Contributing Editor   Effective on Jan. 1, 2015, the New York City Department of Transportation will allow asphalt mixes containing 100 percent reclaimed asphalt pavement (RAP) to be used on city streets. The city government has also ruled ...

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NAPA/FHWA survey finds increased use of warm-mix asphalt, recycled asphalt

Amanda Bayhi - Jan 31, 2014

NAPA/FHWA survey finds increased use of warm-mix asphalt, recycled asphalt

The use of warm-mix asphalt (WMA), recycled asphalt pavement (RAP) and recycled asphalt shingles (RAS) is on the rise, according to the results of a survey released Thursday by the National Asphalt Pavement Association (NAPA). The survey, conducted by NAPA under ...

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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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CIR a Hit in L.A.

Better Roads Staff - Jul 08, 2013

CIR a Hit in L.A.

Cold asphalt recycling offers “a lot of positives” for L.A. County Department of Public Works   By Daniel C. Brown, Contributing Editor     On seven projects performed in just the past two years, the Los Angeles County Department of Public Works has used cold ...

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Road Science

Better Roads Staff - Jan 01, 2013

Road Science

Preserving the Unpaved Road   ‘Gravel,’ stone-surfaced and dirt road preservation helped by new techniques, guidelines, RAP   By Tom Kuennen, Contributing Editor     If you don’t drive them often, it’s easy to overlook unpaved roads. After all, they carry significantly less traffic than rigid or ...

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Road Science

Better Roads Staff - Dec 01, 2012

Road Science

Pre-Measure Your Carbon Footprint   Calculators help predict the environmental impact of roadbuilding projects     By Tom Kuennen, Contributing Editor   New tools keep appearing to help the highway, road and bridge community determine the environmental impact of the infrastructure they design and build. Last month we ...

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Better Roads 2012 Top Rollouts

Better Roads Staff - Dec 01, 2012

Better Roads 2012 Top Rollouts

Difference-Makers   Better Roads editors choose the year’s top products.     This year we’ve spent some great times clambering over and operating equipment. Tires were usually too big to kick but we fiddled with any dials and levers we could fiddle with. We went ...

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Road Science

Better Roads Staff - Oct 09, 2012

Road Science

What Went Wrong, and Why   Forensic Studies Give Clues to Pavement Failure By Tom Kuennen, Contributing Editor   Whether the pavement is black or white, flexible or rigid, asphalt or concrete, pavement forensic testing is the key to preventing future pavement failures in either ...

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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 - Aug 05, 2012

Road Science

Now That's Cool   Low-energy asphalt mixes reduce viscosity – without the heat   In the last two decades, improvements in the physiochemistry of asphalt mixes have sparked a revolution in their production and placement. Today’s warm and cold asphalt mixes – which to minimize ...

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Asphalt Recycling Section

Better Roads Staff - Jul 03, 2012

Asphalt Recycling Section

Cold in L.A.     CIR plus microsurfacing get the job done   Cold-in-place recycling (CIR) followed by microsurfacing was not only a cost-effective treatment for Los Angeles County when it encountered unstable pavement conditions in one of its roads, but CIR was the perfect ...

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Highway Contractor

Better Roads Staff - Apr 06, 2012

Highway Contractor

How Chicago DOT Deals with the New Budget Realities The Mission: Manage more than 6,000 miles of roads and alleys with less money and be greener about it. The solution: Innovate and change. The Great Recession has wreaked havoc in road management programs ...

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