Asphalt Testing

For many years, two local oil refineries in Hawaii supplied asphalt binder to the paving industry.  After one of the refineries (Chevron) stopped…
June 27, 2019
Nationwide, all state departments of transportation (DOTs) have long dealt with the problem of asphalt cracking, which is the primary type of…
March 02, 2018
Colorado project embraces new approach
Colorado project embraces new approach
Unforeseen subgrade conditions, work-hour and construction-zone restrictions, heavy truck traffic and working in part of a floodplain—all these…
July 05, 2017
Personal illumination keeps workers visible to motorists at night.
Personal illumination keeps workers visible to motorists at night.
As the largest hot-mix asphalt producer and asphalt paving contractor in the U.S., Oldcastle Materials Inc. has about one-third of its workforce out…
January 03, 2017
Interest in warm-mix asphalt (WMA) technologies is on the rise as efforts to “green” the country’s roadways increase. However, before road…
October 16, 2009
Visitors to the Indianapolis Motor Speedway last August would have heard a roar different from the one made by racing cars and cheering crowds. They…
June 20, 2005
Many states currently allow the use of some proportion of reclaimed asphalt pavement (RAP) in hot-mix asphalt (HMA). The amount of RAP allowed varies…
May 10, 2005
Gilbert Central has had many paving successes in Arkansas in the past few years. The company’s awards—and bonuses—prove it. “We obtain smoothness…
February 10, 2005
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