This European Standard described test methods to determine the workability period of a hydraulically bound mixture using granular materials.
Two methods are described: delayed compaction and sonic propagation. The latter method is not suitable for hydraulically bound mixture with D less than or equal to 6,3 mm.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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