As the industry’s use of warm-mix asphalt (WMA) increases, options for foaming the liquid asphalt cement (AC) meet new technology. The team from Astec Industries, Chattanooga, Tennessee, released the Generation 3 warm-mix system December 2017 to allow producers to make WMA mix designs without chemical additives. Here’s how it works. The Gen3 apparatus is installed […]

The screed is supposed to float along, smoothing out the mix in an even, beautiful black lane. When the screed tilts sharply to the front or back, it will affect material placement and experience wear and tear on the bottom of the screed plates. These are not good things to have happening if your goal […]

When the 320-degree material gets placed at night, ambient temperature can start to play with your workability. For P&S Paving, Daytona Beach, Florida, knocking the production temperature down to the 270-degree range can be the answer. They include Evotherm warm-mix asphalt (WMA) additive from Ingevity of North Charleston, South Carolina, in all their mixes, and […]

For Fielding Staton, founder of Newtonoid Technologies LLC, frustration over a cracked windshield evolved into a new Internet of Things (IoT) application that can help gauge roadway health. In 2012, Staton was driving to a jobsite when a rock flew up from the pavement and cracked his windshield. He wondered what he could do to […]

The Asphalt Pavement Association of Oregon was first formed in 1969. Now, the Salem, Oregon-based association boasts 45 producer and contractor members that represent 97 percent of the tons produced in Oregon. APAO holds its annual meeting in December and the Oregon Asphalt Pavement Conference in February or March each year. “We bring in experts […]

One of the clichés we use in language is to call something “the backbone” of an entity. If a person is dependable and integral to holding an organization together, we call her the backbone of the company. It’s a compliment. It’s based on a vital component within our bodies: the spine. Our care of this […]

Canada Coaldale’s Municipal Planning Commission voted at the end of January three to two, to approve the construction of an asphalt plant and crusher. The Southern Alberta Newspapers reported that the owners and partners of the asphalt plant are Ground Breakers Construction, J.B. Construction, Leighton Kolk and a handful of associated business, all of whom […]

For the 10-Year Anniversary of AsphaltPro magazine, we will help asphalt companies teach new workers some back-to-basics techniques for best success in the field, at the plant and in the lab. Even veteran employees will be reminded of best practices with these refreshers throughout the year, but the goal is to help readers who are […]