AASHTO M 321:2004 (R2012)
AASHTO M 321:2004 (R2012) Specification For High-Reactivity Pozzolans For Use In Hydraulic-Cement Concrete, Mortar, And Grout Describes high-reactivity pozzolans for use as a mineral admixture in portland cement concrete and mortar to fill small voids and/or where pozzolanic action is desired.