ASTM C1697 − 10 Standard Specification for Blended Supplementary Cementitious Materials

ASTM C1697 − 10 Standard Specification for Blended Supplementary Cementitious Materials

Scope

1.1 This specification covers blended supplementary cementitious materials that result from the blending or intergrinding of two or three ASTM compliant supplementary cementitious materials, for use in concrete or mortar where hydraulic or pozzolanic action, or both, is desired.

The supplementary cementitious materials include slag cement conforming to Specification C989, natural pozzolans and coal fly ash conforming to Specification C618 and silica fume conforming to Specification C1240.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

NOTE 1—The incorporation of supplementary cementitious materials as separate additions or as a manufactured blend may significantly alter the properties of fresh and hardened concrete.

The user should be aware of these changes and is referred to the ACI Manual of Concrete Practice2 for information and guidelines.

ASTM C1697 − 10 Standard Specification for Blended Supplementary Cementitious Materials

Physical and Optional Properties

8.1 Blended supplementary cementitious materials shall conform to the physical requirements in Table 3, where the blend type is in accordance with Section 4.

8.2 Blended supplementary cementitious materials shall conform to the optional requirements in Table 2, only when specifically requested by the purchaser.

The blend type is in accordance with Section 4.