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Tag: HMA: Page 2
Safety
INDOT new paving specs allow more RAP
In honor of Earth Day, the Indiana Department of Transportation (INDOT) announces new paving specifications that allow for additional use of recycled materials. By increasing the amount of reclaimed asphalt pavement and recycled roofing shingles within asphalt mixes, INDOT anticipates it can save $10 million to $15 million on annual paving expenses. Both reclaimed asphalt […]
April 21, 2010
Roadbuilding
Proper Placement of Breakdown Compactors
by Dale Starry, director of strategic technologies, Volvo Construction Equipment There is debate about how closely behind the paver the breakdown compactor should roll during hot-mix asphalt (HMA) laydown. Some industry experts suggest the breakdown compactor needs to nearly bump the paver to take full advantage of the reduced mix viscosity with the HMA pavement […]
November 17, 2009
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