Tag: paving: Page 6

Roadbuilding

Topcon unveils robotic LPS concrete paving system

Topcon Positioning Group has introduced a local positioning system for concrete paving for use when GNSS signals aren’t available. The company says the LPS system uses multiple Topcon PS series robotic total stations with tracking prisms mounted on the paver for steering and elevation control. The LPS system uses an MC-i4 receiver with LongLink for robot-to-robot communication, and the […]

March 1, 2016

Roadbuilding

NAPA names 10 Larry H. Lemon Quality In Construction Award winners

Ten winners received the 2015 Larry H. Lemon Quality in Construction Award at the recent National Asphalt Pavement Association (NAPA) annual meeting. The award recognizes “excellence” in asphalt pavement construction projects that use more than 50,000 tons of asphalt. The winners and their projects include: Barrett Paving Materials of Franklin, Ohio, for its work on […]

February 16, 2016

Roadbuilding

How Norris Asphalt and the Iowa DOT won NAPA’s Sheldon G. Hayes Award for excellence in asphalt pavement

Norris Asphalt Paving and the Iowa Department of Transportation have received the 2015 Sheldon G. Hayes Award, the annual honor given by the National Asphalt Pavement Association to the highest quality asphalt pavement in the country. During NAPA’s annual meeting in La Quinta, California, the two entities were recognized for work on a 15-mile stretch […]

February 12, 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. “They go together, […]

November 27, 2015

Roadbuilding

NAPA, FHWA survey shows increased use of recycled materials, warm-mix asphalt

This year’s “Asphalt Pavement Industry Survey on Recycled Materials and Warm-Mix Asphalt Usage” shows that recycled materials is being used more in asphalt mixes, along with increased usage of warm-mix asphalt — trends that highlight increased sustainability in the asphalt paving industry. The survey, conducted by the National Asphalt Pavement Association (NAPA) and the Federal […]

November 11, 2015

Roadbuilding

Boeing partners with WSU, Washington Stormwater Center on stronger permeable pavement

Boeing is providing a $212,000 research grant and recycled carbon fiber composite material to the Washington Stormwater Center for research work at Washington State University (WSU) to develop stronger permeable pavement. The donation is part of a larger effort to reduce the flow of stormwater runoff and help filter pollutants from the water. “Water is […]

November 9, 2015

Roadbuilding

Volvo CE’s Road Institute holds valuable lessons for operators of all skill levels

Old dogs and new tricks. We use that reference nonchalantly when it comes to folks stuck in their ways, and there are plenty of them out there in the roadbuilding world. They’re the ones who tell you “I’ve done it this way for 30 years!” when a new method or technology is suggested. Sure, these […]

October 30, 2015

Roadbuilding

Optimizing pavement levels of service

A pavement’s level of service is a measure that combines a pavement’s design criteria – such as freeway, primary arterial, collector and local street or road—with traffic conditions such as speed, travel time, freedom to maneuver, user comfort and convenience, traffic interruptions and safety. As pavement performance and durability impacts a highway’s level of service […]

October 9, 2015

Roadbuilding

Indiana DOT investigating potential asphalt failures due to contractor errors

The Indiana Department of Transportation (INDOT) is looking at 188 road projects completed recently for potential early failure due to asphalt mix mistakes made by contractors, according to a report by the Indianapolis Star. The projects, which only include those active last year, represent $71 million in work, INDOT says, and the expectation is that […]

September 23, 2015

Roadbuilding

Reclaimed and recycled asphalt : Where is the payoff?

End users of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS) in asphalt mixes – both contractors and government agencies – are benefiting from the lower raw material prices that the bituminous and mineral reclaimed products bring to the table. Those components – which are 100 percent recyclable – replace virgin materials used in […]

September 21, 2015

Roadbuilding

3D Paver using Lidar, asphalt modeling to create adaptive surfaces, turns to Kickstarter for funding

The University of California Pavement Research Center (UCPRC) and Advanced Paving Technologies are teaming up to launch a Kickstarter campaign Oct. 15 to raise $60,000 in research funds for developing a 3D asphalt paver. The research would begin as early as next spring at UCPRC. According to Advanced Paving, Lidar is used to scan the surface to […]

September 10, 2015

Roadbuilding

NAPA seeking nominations for Larry H. Lemon Quality in Construction Award, honoring high-quality small projects

The National Asphalt Pavement Association (NAPA) is seeking nominations for its Larry H. Lemon Quality in Construction (QIC) Award, which recognizes high-quality small projects using less than 50,000 tons of asphalt. The award was created in 2013 and recognizes the ten top-rated general asphalt paving projects meeting the size criteria. It is named after Larry […]

September 9, 2015