What happened: The City of Elkhorn, Wis., saved 4,000 cubic yards of material (about the volume of an Olympic-size swimming pool) and more than 350 dump truck trips during reconstruction of one road last year. Wright Street was experiencing “alligator cracking,” indicating poor subgrade support. Instead of conventional excavate and replace, the design team proposed using geosynthetic materials, specifically Tensar InterAx® geogrid and Tensar+™ design software. The decision saved the city money and the contractor time off the construction schedule.
Why it matters: Recent analysis of U.S. Bureau of Economic data by ARTBA’s economics team shows a growing need for these tools by state and local governments. Direct purchases of asphalt products for their own maintenance work and repairs are likely in the range of at least $6 to $7 billion per year – and more work is expected to come over the next few years. As municipalities ramp-up roadway construction projects, tools like InterAx® geogrid can help speed construction and save up to 70 percent in aggregate section reduction.
What’s next: Request a sample of Tensar’s innovative InterAx geogrid.
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