ASTM C226-22

Detailinformationen

Bezeichnung: ASTM C226-22

Ausgabedatum: 15.10.2022

Seiten: 5

Land: Amerikanische technische Norm

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Annotation

This specification covers deals with air-entraining additions for use in the manufacture of air-entraining hydraulic cement. The materials used are: cement, aggregates, and reference addition. The grading requirements for fine and coarse aggregates are specified. The following are the test methods for cement samples: chemical analysis of cement, determination of addition in the finished cement, fineness of cement, normal consistency, time of setting, autoclave expansion, air content of mortar, compressive strength of mortar, and length change of mortar. Concrete mixture preparation, weighing, proportions, and mixing methods are detailed. The test on plastic concrete is done in accordance with the following methods: consistency and unit weight and air content. The following are tests for hardened concrete: compressive strength, flexural strength, and resistance to freezing and thawing.


Keywords:
addition, air entraining, hydraulic cement ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)