WMA

Editor’s Note: Read the February issue for findings from the Florida Department of Transportation’s experience with HFSTs over time. High friction surface treatments (HFST) provide enhanced pavement friction in critical […]

When Maryland first began pioneering the use of Stone Mastic Asphalt (SMA) in the United States nearly two decades ago, Maryland Paving General Manager and Executive Vice President Jeff Graf […]

Asphalt professionals in the southeast remain alert for more than just rain delays at this time of year. It’s hurricane season as well as paving season for states along the […]

In 2007, a group of asphalt pavement experts from the United States travelled to Belgium, France, Germany and Norway to learn about various warm-mix asphalt (WMA) technologies as part of […]

The TRI-MIX warm-mix injection system from Tarmac International Inc., Lee’s Summit, Mo., is designed for dual use—the producer can set it up for water or chemical injection to create foamed […]

The Accu-Shear® from Stansteel/Hotmix Parts, Louisville, Ky., is designed for advanced in-line water foaming of liquid asphalt cement (AC). The shearing process promotes total blending and homogenized flow for warm-mix […]

The AquaFoam® warm mix system from Reliable Asphalt Products, Shelbyville, Ky., is designed to foam liquid asphalt cement (AC) binder with water to create a foamed warm-mix asphalt (WMA) product. […]