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238 - Workability of Fresh Concrete


Committee Mission: Develop and report information on the relationships between concrete composition, placement, and workability of fresh concrete.

Goals: 1) Develop sessions and documents on the relationships among concrete composition, workability, and other flow-related properties, and their impact on concrete performance; 2) Foster discussion and development of a reference material for concrete rheometers; 3) Develop documents on thixotropy, segregation, and truck-mixer based workability measurement.

Chair: Nathan Tregger

TAC Contact: Corina-Maria Aldea

Upcoming Convention Sessions:
The Updated ACI PRC-304- How we Help the Challenges of Modern Concrete Production, Part 1 of 2
ACI Spring Convention 2026 - Rosemont, IL

The Updated ACI PRC-304- How we Help the Challenges of Modern Concrete Production, Part 2 of 2
ACI Spring Convention 2026 - Rosemont, IL

Published Committee Documents:


See all Committee Documents...

Work Folders (ACI)
Meeting Agenda & Approved Minutes
Meeting--October 28, 2025
Meeting--April 01, 2025
Meeting--November 05, 2024
Meeting--March 26, 2024
Meeting--October 31, 2023
Meeting--April 04, 2023
Meeting--October 25, 2022
Meeting--March 29, 2022
Meeting--October 19, 2021
Meeting--October 27, 2020
Meeting--March 31, 2020
Meeting--October 22, 2019
Meeting--March 26, 2019
Meeting--October 16, 2018
Meeting--March 27, 2018
Meeting--October 17, 2017
Meeting--March 28, 2017
Meeting--October 25, 2016
Meeting--April 19, 2016
Meeting--November 10, 2015
Meeting--April 14, 2015
Meeting--October 28, 2014
Meeting--March 25, 2014
Meeting--October 22, 2013
Meeting--April 16, 2013
Meeting--October 23, 2012
Meeting--March 20, 2012
Meeting--October 18, 2011
Meeting--April 05, 2011
Meeting--October 26, 2010
Meeting--March 23, 2010

C0023800 Subcommittees (1)