Best Practices for Jointed Concrete Pavements / Blended Aggregates for Concrete Mixture Optimization Tech Brief
Primary Topic: Materials-Concrete
Description: Historically, aggregate gradation has been controlled by specifications that call out envelopes for individual fractions, typically the coarse aggregate and the fine aggregate. The shortcoming of this approach is that the gradation of the overall system is not addressed. While it is sensible to stockpile coarse and fine fractions separately to prevent segregation, it is the combined system that is critical in the final mixture.
FHWA Publication Number: FHWA-HIF-15-019
Publication Year: 2015
Document Links: PDF (file size: 1 mb)