NORMSERVIS s.r.o.

ASTM C821-22

Standard Specification for Lime for Use with Pozzolans

NORMA vydána dne 1.12.2022

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Online zabezpečené PDF (1395.50 CZK)

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Informace o normě:

Označení normy: ASTM C821-22
Datum vydání normy: 1.12.2022
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

Anotace textu normy ASTM C821-22 :

This specification covers all types of commercial hydrated lime such as: high-calcium, magnesium, or dolomitic-hydrated lime. This lime is used with pozzolans. The lime shall conform to the required physical and chemical limits: chemical factor, blaine fineness, and pozzolanic receptivity index. The following test methods shall be done: determination of calcium oxide, magnesium oxide, and carbon dioxide; calculation of chemical factor; blaine fineness; pozzolanic receptivity index; lime-pozzolan strength; and lime-pozzolan-aggregate strength and freeze-thaw resistance.


Keywords:
hydrated, lime, pozzolans,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)