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Fly Ash Concrete Design for Chicago's 100-Year Road Structure ![]()
After years of heavy use, Wacker Drive, a major two-level viaduct in downtown Chicago, Illinois needed to be rebuilt. The Chicago Department of Transportation (CDOT) set ambitious goals for the $200 million concrete structure because of its central location and importance to downtown traffic flow. The end result is a more durable roadway with a service life of 75 to 100 years.
Waukesha County Airport at Crites Field Waukesha, WI
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A runway reconstruction project that used 2,000 tons of fly ash from a local utility and saved taxpayers an estimated $50,000.
Beneficial Use of Industrial Materials and Recycling in Wisconsin DOT Projects ![]()
Use of 84,500 tons of fly Ash in an Embankment by Wisconsin Department of Transportation saved them $110,000. Another project utilizing fly ash to stabilize soil saved WisDOT $350,000. Presentation with pictures found here. ![]()
On-Site Grinding of Residential Construction Debris: The Indiana Grinder Pilot