More Articles for WMA

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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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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Road Science Tutorial: Many paths to low-energy asphalt mixes

Better Roads Staff - Jun 01, 2010

Road Science Tutorial:  Many paths to low-energy asphalt mixes

In-plant foamed asphalt processes grow in popularity as producers, contractors and agencies embrace warm mix asphalt By Tom Kuennen, Contributing Editor Warm mix asphalt (WMA) is created by mixing a solid chemical compound additive with hot mix asphalt in the plant. Except ...

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SHOW Previews

Brooke Wisdom - Jan 01, 2010

SHOW Previews

World of Concrete: Get Tough Sure, it’s a lousy economy. But now’s the time to learn how to survive and thrive by using what you know and building on it to move ahead. The World of Concrete’s motto this year is “When the ...

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