Dam near impossible
“The Grand Canyon fills me with awe. It is beyond comparison—beyond description; absolutely unparalleled throughout the wide world” – President Theodore Roosevelt, 1903 Budget constraints limit how often a road gets paved in our National Parks. The parks are often located in remote enviornments, far from a local asphalt mix plant. Then, in the summer, […]
The Florida Geologic Survey categorizes Madison County as a region where "abruptly-forming collapse sinkholes dominate". During a recent job on Interstate 10, Anderson Columbia could not use rollers in vibratory mode due to the possibility of sinkholes in the area. To produce a high-quality road with good compaction density, Anderson Columbia used Evotherm to produce the 12.5mm surface mix. The mix contained 5.0% 76-22 […]
Hurricane Sandy Response
APAC Memphis chose Evotherm to pave an I-240 exit ramp starting at Airways Boulevard. Ergon Asphalt & Emulsions blended Evotherm into the PG76-22 binder at their terminal. The mix design used was a TN 411-D 75 blow Marshall 12.5mm surface design with 15% recycled asphalt pavment. This starting position of the interstate ramp required a […]
Achieving 50% RAP
The European Roads Review's Fall 2012 – Spring 2013 issue details Hubbard's rehabilitation project on I-95 last year that compared the performance of WMA to HMA. Working with the Florida DOT, the project evaluated the performance of a Superpave 12.5 mm mix incorporating 30% RAP. Neither the hot mix control nor the Evotherm mix utilized […]
RI customer could "write a commercial"
Asphalt Contractor documented NB West's success using Evotherm to achieve 50% RAP in their June issue. Technical manager Steve Jackson, PE, foresees "…using more RAP in asphalt pavements will provide a more economical way to meet the growing demands for infrastructure rehabilitation and improvement. In the long term, I think that a 100% recycled asphalt […]
Going the distance