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221 - Aggregates


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.

Chair: Anol Mukhopadhyay

TAC Contact: Michael Brown

Documents Under Development:
• 221.1R (future): Report on Alkali-Aggregate Reactivity
• 221.XR: Freeze / Thaw Durability of Normal Weight Aggregate
• 221R: Guide for Use of Normal Weight and Heavyweight Aggregates in Concrete

Work Folders (ACI)

Meeting Agenda & Approved Minutes
Meeting--March 27, 2018
Meeting--October 17, 2017
Meeting--March 28, 2017
Meeting--April 17, 2016
Meeting--April 12, 2015
Meeting--October 26, 2014
Meeting--March 23, 2014
Meeting--April 03, 2011
Meeting--October 24, 2010
Meeting--March 21, 2010
Meeting--March 15, 2009
Meeting--November 02, 2008
Meeting--March 30, 2008
Meeting--October 14, 2007
Meeting--March 26, 2006
Meeting--November 06, 2005
Meeting--April 17, 2005
Meeting--October 18, 2004
Meeting--March 11, 2004
Meeting--September 29, 2003
Meeting--October 30, 2001
Meeting--March 27, 2001
Meeting--October 17, 2000