Milling

When an Air Force Base has to close its only runway, it’s all hands on deck to make the project go smoothly. For MacDill Air Force Base in Tampa, such an event takes place every 15 years or so for preventive maintenance. In 2016, the existing asphalt pavement had endured 16 years of wear; cracks […]

Along with a new 745 articulated truck, new dozers, a new 986K wheel loader, new work tools and its reinvented cold planers, the team from Caterpillar, Peoria, Illinois, highlighted its technology offerings during CONEXPO-CON/AGG 2017. As Paulo Fellin, vice president of global construction and infrastructure, outlined for the trade press prior to the show, all […]

C.W. Matthews Contracting manages RAP with new crushing Two new impact crushers are helping a Georgia road and bridge contractor save money, optimize use of reclaimed asphalt pavement (RAP) in mixes and better manage RAP stockpiles. Readers know RAP combines a high residual asphalt cement (AC) content with aggregate that has already been acquired, permitted, shot, […]

In the summer of 2016, a contractor in Egypt took delivery of a cold in place recycling train from Roadtec in time for a pavement rehabilitation project. With materials delivered to the project site, the crew was able to mill, mix and replace in one continuous operation.  

In spring of 2016, Blackrock Milling LLC of Tampa, put two of its cold milling machines to work in echelon to remove more than a million square yards of aged pavement from Interstate 75 near Ocala. The project encompassed 19 miles of six lanes, plus 10-foot shoulders on the outside and the medians, plus exit […]

When Caroline Hughes was in grade school, she spent an entire summer sorting teeth. “The guys would bring me buckets of teeth to see if we could recycle any,” Hughes said. “It’s such an expensive item, with 156 in a 7-foot, 2-inch standard space drum, anything you can do to save money, you do.” Over […]

As members of the asphalt industry wrapped up the largest trade show event of the year March 24, the Occupational Safety and Health Administration (OSHA) issued its final rule on silica standards. Reducing the permissible exposure limits (PELs) to crystalline silica was the first revision OSHA had made to the standards in more than 40 […]