Aktivní norma | Vydána: 15.12.2022

ASTM C688-22

Standard Specification for Functional Additions for Use in Hydraulic Cements

Dostupné jazyky: Anglicky

Dostupné provedení: Online zabezpečené PDF, Norma a Redline - Online zabezpečené PDF, Tištěné, Tisk + redline

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Podrobné informace

Označení: ASTM C688-22

Datum vydání: 15.12.2022

Stran: 5

Země: Americká technická norma

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Anotace

This specification covers methods to investigate the effectiveness of a material to beneficially change the properties of hydraulic cements when the material is interground with the clinker during manufacture of the cement. Cement, mortar, and concrete shall be tested and the individual grades shall conform to specified values of autoclave expansion, drying shrinkage, normal consistency, standard consistency, setting time, compressive strength, false set, water content, flexural strength, bond to steel, volume change, resistance to freezing and thawing, and bleeding. Accelerating addition, retarding addition, set-control addition, water-reducing addition, water-reducing and accelerating addition are detailed.

Keywords:
additions, functional, hydraulic cement ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)

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