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This standard establishes a test method for determining the air content in fresh concrete based on observing the change in concrete volume relative to changes in pressure. The method uses two types of air meters. It is suitable for concretes and mortars made with aggregates having a specific gravity equal to or greater than 2.10 kg/m3 and whose correction according to the aggregate can be determined as described in section 7.1.5. The standard does not apply to lightweight aggregates with air bubbles inside

Author

Alfredo Landaverde García

Language

EN