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ILNAS-EN 450-1:2012 Edition 08/2012
Fly ash for concrete - Part 1: Definition, specifications and conformity criteria
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This European Standard specifies requirements for the chemical and physical properties as well as quality control procedures for siliceous fly ash, as defined in 3.2, for use as a type II addition for production of concrete conforming to EN 206-1. Fly ash according to this document may also be used in mortars and grouts. Fly ash produced with other types or higher percentages of co-combustion materials than those provided for in Clause 4 is outside the scope of this European Standard. It is beyond the scope of this European Standard to specify provisions governing the practical application of fly ash in the production of concrete, i.e. requirements concerning composition, mixing, placing, curing etc. of concrete containing fly ash. Regarding such provisions, reference should be made to other European or national standards for concrete, such as EN 206-1.


Standard - Active


Technical Committee :
CEN/TC 104 : Concrete and related products


89/106/EEC : Construction products


start of the vote on the project    08/04/2010   date of ratification (dor)    06/07/2012
end of the vote on the project    08/09/2010   date of anouncement (doa)    30/11/2012
start of the vote on the final project    05/04/2012   date of publication (dop)    28/02/2013
end of the vote on the final project    05/06/2012   date of withdrawal (dow)    28/02/2013

Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference Mémorial A N° 92


Relations to older standards
ILNAS-EN 450-1:2005+A1:2007

International Classification for Standards (ICS codes) :

91.100.30 : Concrete and concrete products


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