DS DS/EN 14227-4
DS DSEN 14227-4 2004-NOV-01 Hydraulcally bound mxtures - Specfcatons - Part 4 Fly ash for hydraulcally bound mxtures
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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.