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Tag: WMA
Roadbuilding
Survey: 39% of asphalt pavement produced with energy-saving warm mixânearly 79M tons of recycled materials used
Asphalt mix producers continue to make significant use of energy-saving warm-mix asphalt technologies, with more than 99 % of reclaimed asphalt pavement recycled.
July 19, 2018
Roadbuilding
NAPA/FHWA survey finds RAP one of top recycled materials of 2016
The latest survey conducted by the National Asphalt Pavement Association (NAPA) and the Federal Highway Administration (FHWA) found that reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) were the top recycled materials in 2016. According to NAPA, the report found that more than 31 percent of all asphalt pavement mixtures produced in 2016 used [âŚ]
February 6, 2018
Roadbuilding
USDOT recognizes PennDOT as âmodelâ for highway project innovation
U.S. Department of Transportation (USDOT) and Federal Highway Administration (FHWA) leaders recently honored the Pennsylvania Department of Transportation (PennDOT) for being a âmodelâ for the country âin using state-of-the-art technologiesâ on highway projects. Deputy Transportation Sec. Victor Mendez and Federal Highway Administrator Gregory Nadeau recognized the agency during PennDOTâs Innovation Showcase in Harrisburg. âFor many [âŚ]
August 9, 2016
Roadbuilding
Warm-Mix and Recycled asphalt a cost-saving combo that should be used whenever possible
The benefits of warm-mix asphalt (WMA) with recycled asphalt pavement (RAP) are well documented in paving research, with high percentages of RAP mixes holding their own against controls. These mixes have tested so well National Center for Asphalt Technology (NCAT) Director Randy West has said the combination should be used whenever possible. âThey go together, [âŚ]
November 27, 2015
Roadbuilding
Whatâs behind foamed asphaltâs steep growth trajectory?
Just like the swelling froth of expanded liquid asphalt in a foamed asphalt application, use of foamed asphalt in warm mixes is growing exponentially, and its use for full-depth recycling and base stabilization of roads is increasing as well. Warm mix asphalt (WMA) production in the United States has exploded in recent years, from 19.2 [âŚ]
August 18, 2015
Roadbuilding
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 contract to the Federal Highway Administration (FHWA), found that about 24 percent of all [âŚ]
January 31, 2014
Roadbuilding
Road Science
Low-energy asphalt mixes reduce viscosity â without the heat.
August 5, 2012
Roadbuilding
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.
June 1, 2010
Roadbuilding
SHOW Previews
The World of Concrete and The World of Asphalt are previewed.
January 1, 2010
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