This European Standard specifies siliceous and calcareous fly ash used in hydraulically bound mixtures for roads, airfields and other trafficked areas. This European standard applies to fly ash produced by the combustion of pulverized coal or lignite in energy generating plants.
BS EN 14227-4:2004 history
2013BS EN 14227-4:2013 Hydraulically bound mixtures. Specifications. Fly ash for hydraulically bound mixtures
2004BS EN 14227-4:2004 Hydraulically bound mixtures - Specifications - Fly ash for hydraulically bound mixtures