Aktivní norma | Vydána: 15.06.2023

ASTM C937-23

Standard Specification for Grout Fluidifier for Preplaced-Aggregate Concrete

Dostupné jazyky: Anglicky

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Podrobné informace

Označení: ASTM C937-23

Datum vydání: 15.06.2023

Stran: 3

Země: Americká technická norma

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Anotace

This specification covers fluidifier for grout used for preplaced-aggregate (PA) concrete. Grout ingredients shall conform to the specified requirements for Portland cement, pozzolan, and fine aggregate composition. The fluidifier, tested in grout shall conform to the specified values of reduction in mixing water, expansion, bleeding, increase in water retentivity, initial and final setting time, and compressive strength.

Keywords:
efflux time, fluidifier, grout, pre-placed aggregate, water demand, water retentivity ,, ICS Number Code 91.100.30 (Concrete and concrete products)

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