Tag: RAP: Page 2

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 […]
January 31, 2014
shutterstock_88952644
Roadbuilding
Plant Management of RAP/RCA
Processing and storage makes reclaimed asphalt and recycled concrete aggregate useful as aggregate.
November 6, 2013
Raw RAP stockpile (foreground) is reduced to consistent sizes by a mobile impact crusher.
Roadbuilding
CIR a Hit in L.A.
Cold asphalt recycling “adds a lot of positives” for L.A. County Public Works Department; and for the right road with the right problem, hot-in-place recycling works.
July 8, 2013
The Upper Big Tujunga Canyon Road project, at 1.2 million square feet, is one of L.A. County’s largest CIR projects to date.
Roadbuilding
Road Science
‘Gravel,’ stone-surfaced and dirt road preservation helped by new techniques, guidelines, RAP.
January 1, 2013
A clogged corrugated drainpipe under this Texas road results in water flowing across it, eroding the surface and creating a ford in wet weather.
Roadbuilding
Road Science
Calculators help predict the environmental impacts of roadbuilding projects.
December 1, 2012
Cold-in-place recycling of failed pavements optimizes use of in-place materials, relieving pressure on virgin aggregate extraction sites, on landfills, and greatly reduces truck trips with benefits to air quality, congestion, noise and reduced resource consumption.
Roadbuilding
Better Roads 2012 Top Rollouts
Better Roads editors choose the year’s top products.
December 1, 2012
Caterpillar Untitled 1
Roadbuilding
Road Science
Forensic studies give clue to pavement failure.
October 9, 2012
Forensic evaluation of pavement failure begins with simple field observations.
Roadbuilding
Highway Contractor
Even with a strong foundation and long history, you need to be willing and able to adapt to stay competitive today.
September 7, 2012
Roadbuilding
Highway Contractor
Even with a strong foundation and long history, you need to be willing and able to adapt to stay competitive today.
September 7, 2012
Roadbuilding
Road Science
Low-energy asphalt mixes reduce viscosity — without the heat.
August 5, 2012
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Home
The Greenest, Quietest Mile
The star of the National Asphalt Pavement Association’s midyear meeting in Chicago is Michigan Avenue. The recently-rebuilt downtown thoroughfare is, by the accounts of a number of speakers singing its praises, the greenest, or one of the greenest, major roads in the country. It is certainly the result of some innovative thinking from origination, to […]
July 17, 2012
Roadbuilding
Asphalt Recycling Section
CIR plus microsurfacing get the job done; for Colorado’s state highway 141, CDOT goes with HIR.
July 3, 2012
The cold-in-place recycling train features a milling machine followed by a recycler, which crushes the RAP, screens it, mixes it with emulsion and lays the material down in a windrow.
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