Testing fresh concrete - Air content. Pressure methods has-digital you can identify the materials

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Testing fresh concrete - Air content. Pressure methods has-digital you can identify the materials1 Scope This document describes two methods for determination of air content of compacted fresh concrete, made with normal weight or relatively dense aggregate and having a declared value of D of the coarsest fraction of aggregates actually used in the concrete (Dmax) not greater than 63 mm. The test is not suitable for concretes with slumps less than 10 mm according to EN 123502. Neither method is applicable to concretes made with lightweight