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Asphalt

Welcome to the Asphalt Channel, a special feature that provides the user an in-depth look at the hot-mix asphalt industry.  This section offers several areas to explore: product spotlights, article archives, related case studies, related video and product/supplier contact list.   The product spotlights contain information and photos of equipment relevant to the industry.   The article library contains all stories related to asphalt roads pulled from the rich archives of Roads & Bridges magazine and our Asphalt Today supplement magazine.

Products March 24, 2015
Kaeser Compressor’s M114 produces 375 cfm at 100 psig and is built to withstand demanding job sites. With its over-sized fuel tank, power-saving Sigma Profile rotary screw airend and heavy duty Interim Tier 4 Deutz diesel engine, it can provide more than eight hours of uninterrupted operation.
Videos March 23, 2015
Jasper, Ind., Street Commissioner and IACT 2014 Ivan H. Brinegar Municipal Management Award winner Raymie Eckerle discusses the performance of SealMaster’s Liquid Road in the city’s pavement preservation program.
Videos March 12, 2015
The S.R. 951/ U.S. 41 Road-Widening Project in Naples, Fla. is expanding from two lanes to six lanes. The project is expected to be completed in 2016.
Case Studies March 12, 2015
The Nicollet County (Minn.) Highway Department needed to repair transverse cracks on County Road 13. This two-lane road has annual traffic of 302,950 vehicles, including large tractor-trailers. In addition to traffic, the fluctuating Minnesota weather plays a factor in creating pavement distresses...
Products March 12, 2015
The Crafco Mastic One is designed to treat distresses in asphalt cement pavement (ACP) such as cracking; patching and potholes; surface deformation; surface defects; and miscellaneous distresses. Mastic One is a black-colored, hot-applied, highly adhesive, flexible mastic sealant composed of highly...
Videos March 11, 2015
Check out aerial footage taken by a drone over the S.R. 951/U.S. 41 Road Project in Naples, Fla.
Article March 02, 2015
I-90 is the main east-west transportation corridor in the state of Washington, connecting the large population and business centers of the western half of the state with the agricultural industries and recreational areas that comprise the eastern portion.   The uninterrupted movement of people,...
Article March 02, 2015

I-376 Section L04 is a major north/south artery in the greater Pittsburgh metropolitan area.

Twelve million: According to the U.S. Environmental Protection Agency, that’s how many tires are ground up and recycled into crumb rubber for use in asphalt pavements each year.   Yet, despite this impressive figure, the practicality of paving with crumb rubber remains an untried novelty in many...
Article March 02, 2015

Norris Asphalt widened the roadway out 3 ft to each side to build new paved shoulders. 

Norris Asphalt Paving Co. faced an uphill climb to qualify as a finalist for the 2015 Sheldon G. Hayes Award, but in the end the company was able to make its way to the top.   The Ottuma, Iowa-based company was nominated for the asphalt paving industry’s highest honor thanks to its exemplary work...
Article March 02, 2015

Total lift thickness for the roundabout was 6.5 in. The 19-mm mix was used for the first lift (2.5 in. thick) and second (2.25 in. thick), but Northeast Asphalt had to use a Wisconsin DOT higher ESAL mix for the 1.75-in. surface course.

Last year’s modern day Ice Age buried routes across the U.S. with its frozen malice.   Many public works officials had to pick through the remains of pavement during the spring and summer months of 2014.    Up in Wisconsin, the glacier-like effect left an 8.1-mile portion of State Trunk Highway (...
Videos February 24, 2015
Understand why crack-sealing moving cracks is imperative to extending sealant service life and pavement life, as well as saving money.  
Products February 23, 2015
Crack sealant is not all created equal. Meeting specifications is one metric, but studies have shown that meeting a particular specification does not equal long-term performance on the road. In many field performance studies conducted by federal and state agencies over the last 30 years, Crafco...
Products February 17, 2015
StrataBase is a rigid biaxial geogrid that provides structural reinforcement for paved and unpaved roads through superior stiffness, aperture stability and interlock capabilities. StrataBase is used for base reinforcement for flexible pavements; subgrade and foundation improvement; parking areas...
Products February 17, 2015
StrataWeb provides three-dimensional soil reinforcement and solves problems associated with load support over soft soils, erosion on steep slopes and the linings of lagoons, drainage channels and landfills. Applications involving slopes as steep as 60 degrees from horizontal can be achieved with...
Products February 17, 2015
The patented Sleeve-It System (rail integration device) is a code-compliant fencepost anchoring system that integrates stable fence footings into the support structures of retaining walls while the retaining walls are being constructed. Sleeve-It maximizes useable real estate at the top of a...
Products February 17, 2015
StrataTex (STSeries) is a needle-punched nonwoven geotextile made of 100% polypropylene staple fibers, which are formed into a random network for dimensional stability, and StrataTex (SWSeries) geotextile fabrics are woven polypropylene materials offering optimum performance when used in...
Products February 17, 2015
StrataDrain is a high-flow, fusion-bonded, geonet-geotextile drainage composite. It is used primarily as a sheet interceptor drain behind retaining walls and as an internal interceptor drain for reinforced steep slopes. The strength and uniformity of the fusion bond between StrataDrain's layers...
Products February 17, 2015
Stratagrid geogrids reinforce soil with their high molecular weight and high tenacity polyester yarn. They are mechanically and chemically durable—in the installation phase, in aggressive soil or in aqueous environments. Stratagrid was designed to be a reinforcement material that is easy to install...
Article February 06, 2015

Two case study OGFCs were constructed as part of the 2012 NCAT Pavement Test Track, which used GTR-modified binders and no fibers. No cracking or raveling are evident in either test section to date.

Asphalt mixtures are commonly comprised of various ratios of aggregate, asphalt binder and air. While this is usually the case for standard dense-graded Superpave mix designs, specialty mixtures such as open-graded friction courses (OGFCs) and stone-matrix asphalt (SMA) mixes typically contain some...
Article February 06, 2015
A full-depth reclamation (FDR) project involving the removal of a failed portland cement concrete pavement and the construction of an 8-in. stabilized reclaimed asphalt pavement (RAP) and aggregate base with an engineered asphalt emulsion, is hardly an event of Biblical proportions. But the long-...
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