A recycled industrial byproduct used to replace a portion of cement in concrete, improving its properties and sustainability.
A byproduct of coal combustion at power plants, used as a supplementary cementitious material (SCM) to partially replace Portland cement in concrete mixes. Class C fly ash has cementitious properties; Class F fly ash is primarily pozzolanic. Using fly ash reduces cement content, lowers heat of hydration, improves workability, and can enhance long-term strength and durability.
The green building specification required 30% fly ash cement replacement to reduce the project's carbon footprint.
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