This standard specifies the definition, classification, technical requirements, test methods and inspection rules of pozzolanic composite materials. This standard applies to pozzolanic admixtures used as admixtures in cement production, and also to pozzolanic admixtures used as concrete admixtures.
GB/T 2847-1996 history
2022GB/T 2847-2022 Pozzolanic materials used for cement production
2005GB/T 2847-2005 Pozzolanic materials used for cement production
1996GB/T 2847-1996 Pozzolanic materials used for cement production