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Tag: slag
Roadbuilding
Survey: 39% of asphalt pavement produced with energy-saving warm mix–nearly 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
New concrete mixture would allow roads to resist corrosion from road salt
Deicing salt is used on roads every winter to improve driving conditions, but the calcium chloride salt commonly used in this application reacts with the calcium hydroxide in concrete, forming a chemical byproduct called calcium oxychloride that causes roadways to degrade, crack, and crumble. According to a Drexel University press release provided to Phys.org, Yaghoob Farnam, a civil engineer, […]
May 29, 2017
Roadbuilding
Why Functional Fibers in Pavement and Bridges are Important
Steel and synthetic engineered fibers are enhancing performance in asphalt pavements and concrete.
August 6, 2014
Construction Equipment
New concrete formula ditches Portland cement, adds strength and sustainability
Should a few major trials hold up as expected, an Australian family company will have succeeded in developing a new concrete that is not only better for the environment but stronger than the traditional formula as well. The construction materials and mining services company Wagners of Toowoomba, Australia, has spent the last eight years perfecting a […]
April 14, 2014
Roadbuilding
Evolving Overlays
Thinner concrete for preserving pavements is evolving.
September 9, 2013
Roadbuilding
Special Transportation Research Board 2013 Report
‘Bio-Binder’ Green Modifiers star at TRB.
April 3, 2013
Roadbuilding
Road Science
Nanotech era draws closer.
October 4, 2011
Safety
Maintenance
What’s new in welding A new generation of machines and technology makes this task easier, safer, more productive and comfortable By Tom Jackson If you are looking to replace, upgrade or buy a new welding unit for your shop or service truck you may be pleasantly surprised at the innovations that have come along in […]
June 30, 2011
Roadbuilding
Road Science Tutorial
A strong foundation is the key to a strong pavement structure.
May 9, 2011
Roadbuilding
Better Bridges
Top FHWA bridge engineer looks at today’s and tomorrow’s bridges.
February 1, 2011
Roadbuilding
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 22, 2010
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
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