This standard specifies the terms and definitions, raw materials, requirements, test methods, inspection rules, marking, packaging, transportation and storage of natural pozzolanic materials for cement mortar and concrete. This standard applies to natural pozzolanic materials for cement mortars and concrete admixtures.
JG/T 315-2011 history
2011JG/T 315-2011 Natural pozzolanic materials used for cement mortar and concrete