1、ICS 91.100.30Prfverfahren zur berprfung des Korrosionsschutzes der Bewehrungin dampfgehrtetem Porenbeton und in haufwerksporigem LeichtbetonEuropean Standard EN 990 : 2002 has the status of a DIN Standard.A comma is used as the decimal marker.National forewordThis standard has been prepared by CEN/T
2、C 177 Prefabricated reinforced components of autoclavedaerated concrete or lightweight aggregate concrete with open structure (Secretariat: Germany).The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Buildingand Civil Engineering Standards Committee), Technical
3、 Committee 07.09.00 Porenbeton und haufwerks-poriger Leichtbeton.This European Standard is part of a series of standards specifying methods used to check compliance ofprecast autoclaved aerated concrete elements with the requirements specified in the relevant productstandard.AmendmentsThis standard
4、differs from the September 1995 edition in that it has been editorially revised and long-termtests have been dropped.Previous editionsDIN 4028: 1938-10, 1982-01; DIN 4223: 1958x-07; DIN 4232: 1949-09, 1950-04, 1955-10, 1972-01, 1978-12,1987-09; DIN EN 990: 1995-09.Ref. No. DIN EN 990 : 2003-01Englis
5、h price group 06 Sales No. 110604.03DEUTSCHE NORM January 2003EN 990Continued overleaf.EN comprises 7 pages. No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of
6、sale for German Standards (DIN-Normen).Test methods for verification of corrosion protection ofreinforcement in autoclaved aerated concrete andlightweight aggregate concrete with open structureEnglish version of DIN EN 990SupersedesSeptember 1995 edition.English versionICS 91.100.30 Supersedes EN 99
7、0 : 1995.Test methods for verification of corrosion protectionof reinforcement in autoclaved aerated concrete andlightweight aggregate concrete with open structure 2002. CEN All rights of exploitation in any form and by any meansreserved worldwide for CEN national members.Ref. No. EN 990 : 2002 EPrf
8、verfahren zur berprfung desKorrosionsschutzes der Bewehrung indampfgehrtetem Porenbeton und inhaufwerksporigem LeichtbetonThis European Standard was approved by CEN on 2002-07-21.CEN members are bound to comply with the CEN/CENELEC Internal Regulationswhich stipulate the conditions for giving this E
9、uropean 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 official versions (English, F
10、rench, 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, Belgium, the CzechRepublic, Den
11、mark, Finland, France, Germany, Greece, Iceland, Ireland, Italy,Luxembourg, Malta, the Netherlands, Norway, Portugal, Spain, Sweden, Switzer-land, and the United Kingdom.EN 990September 2002Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de N
12、ormalisationEuropisches Komitee fr NormungMthodes dessai pour la vrificationde la protection contre la corrosion desarmatures dans le bton cellulaireautoclav et le bton de granulats l-gers structure ouvertePage 2EN 990 : 2002Page 3EN 990 : 2002Page 4EN 990 : 2002Page 5EN 990 : 2002Page 6EN 990 : 2002Page 7EN 990 : 2002
