Committee Mission: Develop and report information for the aggregates (except lightweight) used in concrete.
Goals: 1) Revise "Guide for Use of Normal Weight and Heavyweight Aggregates in Concrete" (ACI 221R); 2) Revise "Report on Alkali-Aggregate Reactivity" (ACI 221.1R); 3) Develop document on freeze-thaw durability of normal weight aggregates for use in concrete.
Upcoming Open Meetings:
ACI Fall Convention 2018 - 10/16/2018 11:00 AM-1:30 PM - Brasilia 7, Las Vegas, NV
Upcoming Convention Sessions:
Alkali Aggregate Reaction- Evaluation & Aggregate Types, Texture, and Mineralogy.
ACI Spring Convention 2019 - Ville De Québec, QC Canada
Documents Under Development:
• 221.1R (future): Report on Alkali-Aggregate Reactivity
• 221.XR: Freeze / Thaw Durability of Normal Weight Aggregate
• 221R (future): Guide for Use of Normal Weight and Heavyweight Aggregates in Concrete