You may know it as a plant mix seal, popcorn mix, permeable European mix or even porous asphalt. But no matter what you call it, an open-graded friction course (OGFC) is the mixture of choice on many highways and heavily trafficked roads to improve surface drainage during rainfall. By allowing rainwater to drain down through […]
Do you think you have to stop paving just because temperatures drop in the fall and winter? It’s not too late to catch our YouTube clip about Payne & Dolan’s (P&D) use of Evotherm on a project in upper Michigan when the weather turned cold and snowy. P&D’s Paul Bentley shared some remarkable footage of […]
If you’ve landed at Orlando International Airport or driven on one of the interstate highways in Florida, then the chances are quite high that you’ve ridden on asphalt pavement placed by the Middlesex Corporation. Middlesex is headquartered in Littleton, Massachusetts, and has offices in Connecticut and Florida. The company has been around since the early […]
Ingevity has participated in numerous projects demonstrating how warm mix SMA produced with Evotherm® can eliminate the need for fibers. But what if you’re a contractor or agency trying to use Evotherm for the first time? What does the process look like? What are some of the challenges in making this change? The state of […]
Do you have an interest in or responsibility for the laydown and compaction of WMA, HMA or SMA? Mark your calendars for Volvo’s upcoming Paver Compactor Operation & Maintenance course from April 11–14 in Phoenix, Ariz. Ingevity’s Jason Mapes, technical services manager for Evotherm® technologies and subject matter expert, will be a guest teacher at […]
The fall of 2016 was a big achievement for warm mix in British Columbia. After previous struggles with warm mix asphalt (WMA), the B.C. Ministry of Transportation approved Evotherm® P25 as their first additive used for the purposes of both a liquid antistrip (LAS) and WMA. “The Ministry had experienced many issues with warm mix […]
“When Hurricane Matthew damaged over a mile of Florida’s A1A in Flagler County last October, time was of the essence,” explains Fred Iannoti, purchasing manager at Halifax Paving in Daytona Beach, Fla. “Governor Scott wanted A1A opened in 15 days. Normally, it takes between 45 to 60 days just to get work started. But in […]
For over 200 years, the presidential procession and inaugural parade have marked the beginning of the new U.S. Commander in Chief’s term in office. Although the majesty of the procession and swearing-in ceremony garner most of the attention, the behind-the-scenes preparations for an event of such grandeur cannot be overlooked. Beginning months prior to the […]
Adapted from “Fast Fix for Failing Freeway” by Tom Kuennen for Asphalt Contractor A unique design for warm mix asphalt (WMA) enabled the South Carolina DOT (SCDOT) and its contractor, Sloan Construction, to get a mid-winter start early in 2016 on urgent reconstruction of failing I-85 in the northwestern corner of the Palmetto State. Because […]
How does warm mix asphalt (WMA) perform compared to hot mix asphalt (HMA) in the long term? How is foam different than chemical additives? What happens to an asphalt mix when WMA is used in conjunction with RAP? These and many other questions are on the minds of USDOT, FHWA and State Highway Agency leadership. […]