Tag: asphalt: Page 4

Roadbuilding

APAC-Kansas donates Roadtec paver to spur interest in diesel technician careers

APAC-Kansas Inc., an Oldcastle company, donated a 2003 Roadtec asphalt paver valued at $20,000 to Salina Area Technical College and treated students students and faculty to a BBQ lunch, ksal.com reports. Mike Warren, equipment manager for APAC-Kansas in Salina, and area manager Jason Heis told the news agency that the company wanted to donate the paver […]

October 7, 2016

Roadbuilding

3D Asphalt Paving: The highest smoothness and accuracy possible, no strings attached

Stringless paving isn’t just for concrete contractors. The asphalt guys are in on it as well, but with a few slight twists on the methods used. As with concrete paving, stringless asphalt paving offers the benefit of eliminating the costly step of bringing in a survey crew to set up the stringline. Eliminating that step […]

September 20, 2016

Roadbuilding

S. Carolina DOT to replace 2 bridges spanning Pinewood Lake

There are changes in store for drivers who commute on Garners Ferry Road (Route 378) between Sumter and Columbia, South Carolina, WLTX 19 reports. According to Jason Fulmer with the South Carolina Department of Transportation, two bridges on the route that cross over Pinewood Lake have reached the end of their life spans and are being […]

August 22, 2016

Roadbuilding

Pavement preservation takes aim at Interstates

Interest is expanding from preservation of low- and medium-volume roads to that of high-volume, interstate-type pavements. “Preservation of high-traffic volume roadways is just as important as for low traffic volume roadways,” says Jim Moulthrop, executive director of FP2, formerly the Foundation for Pavement Preservation.  “States have limited resources, and preservation makes those resources go farther.” […]

July 29, 2016

Roadbuilding

How the bond coat makes for long-lasting roads and how new materials are making it more effective

Experts agree: For long-lived asphalt pavements and overlays, bond them with a well-placed bond or “tack” coat. But in practice, they’re not applied consistently, compromising the long-term performance of the bituminous surfacing. Understanding and correct placement of bond or tack coats is essential for long-lived asphalt pavements. New research underscores the importance of bond coats, […]

July 21, 2016

Roadbuilding

Future roads may contain 100% more pig poop

A team of researchers at North Carolina Agricultural & Technical State University is testing a substance made from pig manure to use as an asphalt binder to replace petroleum-based products, according to a report by the National Science Foundation (NSF). Civil Engineer Ellie Fini and partners, with support from the NSF, has created a product that […]

July 5, 2016

Roadbuilding

Michigan State researchers, Ingham County Road Commission experiment with rubber-modified asphalt

Researchers and county officials in Michigan are experimenting with rubber-modified asphalt installations that, while looking identical to conventional asphalt, is made with recycled tires, an ingredient that can prevent the spread of cracks in roadways. The asphalt is made with tires that are cut up into pellets called devulcanized rubber. “We first mix this with asphalt binder at certain […]

June 23, 2016

Roadbuilding

Tennessee General Assembly votes to increase county roads, bridges funding

There’s a lot of road work ahead for county roads and bridges in Tennessee. The Tennessee General Assembly voted to triple the amount of funding allotted for county roads and bridges with an additional $42 million to divide between the counties, whjl.com reports. It also voted to allow counties to pay only 2 percent of the cost for road and bridge […]

June 6, 2016

Roadbuilding

Bonded for Life: The cold milling equipment, techniques and technology for a super-smooth asphalt overlay

A milled surface with the right pattern, grade and slope is the key to a super-smooth asphalt overlay that wins the smoothness, density and performance bonuses (now so critical to contractor profitability). In just over three decades, asphalt cold milling equipment, also called planers or grinders, has matured in terms of durability, complexity and choice […]

March 22, 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

Lafarge Tarmac’s new pavement can drain 15 gallons of water per minute. But there’s a catch

Larfarge Tarmac’s Topmix Permeable pavement has been making headlines the past couple of weeks with what appears to be an unquenchable thirst for water. And in the company’s product video (below), it does seem to take on huge amount of liquid, touted at 600 liters per minute per square meter. Do some conversion work and it’s […]

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