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Committee Mission: Develop and report information on the use of fly ash and bottom ash in concrete as a supplementary cementitious material.

Goals: 1) Work with U.S. Green Building Council, ACI Committee 130, and others to appropriately use fly ash for sustainable concrete; 2) Develop a Guide to Specifying fly ash for Concrete Performance; 3) Keep up to date "Use of Fly Ash in Concrete" (ACI 232.2R-03)

Chair: Ivan Diaz-Loya

TAC Contact: Corina-Maria Aldea

Upcoming Convention Sessions:
Current Understanding of Slag Usage in Concrete, Part 2 of 2
ACI Fall Convention 2025 - Baltimore, MD

Recent Advancements in Technologies for Utilizing Ground Glass Pozzolans (GGP) in Making Low Carbon Concrete
ACI Fall Convention 2025 - Baltimore, MD

Published Committee Documents:
• ACI PRC-232.1-12 Report on the Use of Raw or Processed Natural Pozzolans in Concrete
• ACI PRC-232.2-18: Report on the Use of Fly Ash in Concrete
• ACI PRC-232.3-14 Report on High-Volume Fly Ash Concrete for Structural Applications
• ACI PRC-232.4-20: TechNotes: Limits on the Proportions of Fly Ash in Concrete
• ACI PRC-232.5-21: Harvested Fly Ash as a Supplementary Cementitious Material—TechNote

See all Committee Documents...