Regional implementation of warm mix asphalt : [tech summary].
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2014-09-01
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Abstract:Asphalt is used in over 94 percent of all paved roadways in the United States. The ability to reduce its cost and
emissions while improving its performance has benefi ts that could potentially change the direction the asphalt
industry moves in the future. Warm-mix asphalt (WMA) technology is becoming more prevalent in routine roadway
construction across the country. It provides many benefi ts over conventional hot-mix asphalt (HMA). Some of these
benefi ts are a decrease in mixing and placement temperatures, a decrease in fuel consumption, reduced emissions, a
safer work environment, and higher densities with lower compactive eff ort.
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