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AASHTO M 321-04 (2017)

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AASHTO M 321-04 (2017) Standard Specification for High-Reactivity Pozzolans for Use in Hydraulic-Cement Concrete, Mortar, and Grout

standard by American Association of State and Highway Transportation Officials, 2004

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Full Description

This specification covers 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. High-reactivity pozzolans are microsilica products with a particle size typically one to two orders of magnitude smaller than portland cement. These materials are usually supplied in undensified or densified dry form. If the material is supplied in a densified form, the tests should be performed on the as-collected undensified material before being processed into densified form.

This standard is not intended for specifying silica fume. It is recommended that M 307 or ASTM C 1240 be used for that purpose.

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Published: 2004 Number of Pages: 6File Size: 1 file , 910 KB Product Code(s): M321-04-UL, M321-04-UL, M321-04-UL