In 1972, Illinois Used 246,000 Cubic Yards of Coal Ash Beneath 7,500 Feet of Expressway
Translated from English and summarized by DistantNews. Read the original for the full story.
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Outcome reported
- An Illinois expressway project used 246,000 cubic yards of coal fly ash beneath 7,500 feet of roadway in 1972.
- Monitoring found no concerns involving settlement, frost heave or groundwater, supporting the use of industrial byproducts in construction.
In 1972, Illinois used 246,000 cubic yards of coal fly ash beneath 7,500 feet of expressway, putting an industrial byproduct to work as highway embankment fill.
The project demonstrated that fly ash could substitute for natural aggregates in construction while retaining structural integrity over time. Monitoring found no concerns involving settlement, frost heave or groundwater.
The initiative also encouraged other states to adopt standards for recycling fly ash, according to the source.
About this summary
Originally published by Times of India in English. Translated, summarized, and contextualized automatically by DistantNews, with a note on how the source frames the story. Not individually reviewed before publishing. How this works.
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