Aci 211.1-22

ACI 211.1-22 supersedes the 1991 standard (reapproved in 2002 and 2009). Significant changes include:

Creating a laboratory mix to verify slump, air content, and strength. Key Updates in the 211.1-22 Version aci 211.1-22

Better integration of high-range water reducers (superplasticizers) that allow for high workability at very low water contents. Practical Application and Research ACI 211

Modern research frequently cites ACI 211.1-22 when testing innovative materials. Recent studies have used this standard as the baseline for: mixture proportioning of concrete Topic aci 211.1-22

ACI 211.1-22 assumes that the volume of coarse aggregate per unit volume of concrete depends on the of the sand.