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Fly Ash is a pozzolan, meaning it is a siliceous and aluminous material, that in the presence of moisture, will combine with the lime liberated during the hydration of cement to form cementitious materials.
Nearly fifty million tons of Fly Ash are produced annually in the United States with over ten million tons used annually in engineering applications. This tonnage is used primarily for ready-mix concrete.
Fly Ash is used in the following applications, in addition to:
- ready-mix concrete
- Concrete block & pipe
- Cement manufacture
- Mineral filler for asphalt roads
- Soil stabilization
- Structural fill
- Waste stabilization/treatment
- Specialty applications
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