1、ICS 91.100.30Fly ash for concretePart 2: Conformity evaluationEnglish version of DIN EN 450-2Flugasche fr Beton Teil 2: KonformittsbewertungA comma is used as the decimal marker.Transition periodThis standard is valid from 1 May 2006 (start of coexistence period). DIN EN 450, January 1995 edition, s
2、hallremain valid until August 2006. It should be noted that, in Germany, CE conformity marking of constructionproducts conforming to this standard will be permitted once the standard has been listed in theBundesanzeiger (German Federal Law Gazette) (1 May 2006 or later)1).National forewordThis stand
3、ard has been prepared by CEN/TC 104 Concrete and related products (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Building andCivil Engineering Standards Committee), Technical Committee 07.02.04 Betonzusatzstoffe.AmendmentsThis standar
4、d differs from DIN 18990, September 2002 edition, and DIN EN 450, January 1995 edition, in thatit has been completely revised.Previous editionsDIN 18990: 2002-09; DIN EN 450: 1995-01.DEUTSCHE NORM May 2005DIN EN 450-2 No part of this standard may be reproduced without the prior permission ofDIN Deut
5、sches Institut fr Normung e.V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).English price group 12www.din.dewww.beuth.de9643545Continued overleaf.Document comprises 23 pages.08.05G4G15G70G41G51G5This standard, together with DIN E
6、N 450-1,May 2005 edition, supersedes DIN 18990,September 2002 edition, and DIN EN 450,January 1995 edition.1) See relevant Official Journal of the European Union for end of coexistence period.English versionICS 91.100.30Fly ash for concretePart 2: Conformity evaluation 2005. CEN All rights of exploi
7、tation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 450-2:2005 EFlugasche fr Beton Teil 2: Konfor-mittsbewertungThis European Standard was approved by CEN on 2004-12-22.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the
8、 conditions for giving this European Standard the status of anational standard without any alteration.Up-to-date lists and bibliographical references concerning such national stand-ards may be obtained on application to the Management Centre or to anyCEN member.The European Standards exist in three
9、official versions (English, French, German).A version in any other language made by translation under the responsibility of aCEN member into its own language and notified to the Management Centre hasthe same status as the official versions.CEN members are the national standards bodies of Austria, Be
10、lgium, Cyprus, theCzech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands,Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, andthe United Kingdom.EN 450-2February 2005Management
11、 Centre: 36, rue de Stassart, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr NormungCendres volantes pour bton Partie 2:Evaluation de la conformitSupersedes EN 450:1994.Page 2EN 450-2:200534444566799910101112131313131414141415151515161919191
12、91919212121212222Page 3EN 450-2:2005171820Page 4EN 450-2:2005Page 5EN 450-2:2005Page 6EN 450-2:2005Page 7EN 450-2:2005Page 8EN 450-2:2005Page 9EN 450-2:2005Page 10EN 450-2:2005Page 11EN 450-2:2005Page 12EN 450-2:2005Page 13EN 450-2:2005Page 14EN 450-2:2005Page 15EN 450-2:2005Page 16EN 450-2:2005Page17EN450-2:2005Page 18EN 450-2:2005Page 19EN 450-2:2005Page 20EN 450-2:2005Page 21EN 450-2:2005Page 22EN 450-2:2005