Asphalt Recycling Section

Better Roads Staff - Jul 03, 2012

Cold in L.A. CIR plus microsurfacing get the job done Cold-in-place recycling (CIR) followed by microsurfacing was not only a cost-effective treatment for Los Angeles County when it encountered unstable pavement conditions in one of its roads, but CIR was the perfect ...

Kirk Landers — Editor Emeritus

Better Roads Staff - Dec 04, 2011

Innovating Out of the Recession Just before cold weather set in, Illinois-based Gallagher Asphalt demonstrated a new hot-in-place recycling (HIR) technology for the City of Chicago. Unlike traditional HIR processes, which heat and rejuvenate surface asphalt in place, the new Gallagher process ...

Asphalt Recycling Section

Better Roads Staff - Jul 07, 2011

Going Deep with Cold By Dan Brown, Contributing Editor How do you cold-recycle the top 6 inches of a 9-mile stretch of rural asphalt roadway for just $5 million? In several stages, says the Utah DOT. And they did just that this ...

Road Science Tutorial

Brooke Wisdom - Sep 01, 2010

One and One is One Two lifts can become a single, strong layer. By Tom Kuennen, Contributing Editor With two-lift hot mix asphalt paving, it’s a case of 1+1=1. As more durable hot mix asphalt pavement designs are explored in the United States, two-lift ...