1、DEUTSCHE NORM 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 sale for German Standards (DIN-Normen).May 2005DIN EN ISO 12957-1English price group 8 www.din.
2、de www.beuth.de08.05 9643952Document comprises 11 pages.GeosyntheticsDetermination of friction characteristicsPart 1: Direct shear test(ISO 12957-1:2005)English version of DIN EN ISO 12957-1Geokunststoffe Bestimmung der Reibungseigenschaften Teil 1: Scherkastenversuch (ISO 12957-1:2005)A comma is us
3、ed as the decimal marker.National forewordThis standard has been published in accordance with a decision taken by CEN/TC 189 to adopt, without alteration, International Standard ISO 12957-1 as a European Standard.The responsible German body involved in its preparation was the Normenausschuss Textil
4、und Textil-maschinen (Textiles and Textile Machinery Standards Committee), Technical Committee Geotextilien und Geokunststoffe.The DIN Standards corresponding to the International Standards referred to in clause 2 of the EN are as follows:ISO 554 DIN 50014ISO 6344-2 DIN ISO 6344-2ISO 9862 DIN EN 963
5、National Annex NAStandards referred to(and not included in Normative references)DIN 50014 Articial climates in technical applications Standard atmospheresDIN EN 963 Geotextiles and geotextile-related products Sampling and preparation of test speci-mensDIN ISO 6344-2 Coated abrasives Grain size analy
6、sis Part 2: Determination of grain size distribution of macrogrits P12 to P220 (ISO 6344-2:1998)ICS 59.080.70!,cJW“English versionICS 59.080.70Management Centre: 36, rue de Stassart, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 200
7、5. CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members.Ref. No. EN ISO 12957-1:2005 EEN ISO 12957-1February 2005GeosyntheticsDetermination of friction characteristicsPart 1: Direct shear test(ISO 12957-1:2005)Gosynthtiques Dtermination des caractri
8、stiques de frottement Partie 1: Essai de cisaillement direct (ISO 12957-1:2005)Geokunststoffe Bestimmung der Reibungseigenschaften Teil 1: Scherkastenversuch (ISO 12957-1:2005)This European Standard was approved by CEN on 2004-11-18.CEN members are bound to comply with the CEN/CENELEC Internal Regul
9、ations which stipulate the conditions for giving this European Standard the status of a national 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 any CEN member.The Europe
10、an Standards exist in three ofcial versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notied to the Management Centre has the same status as the ofcial versions.CEN members are the national standa
11、rds bodies of Austria, Belgium, Cyprus, the Czech 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, and the United Kingdom.Page 2 EN ISO 12957-1:200523334445789Page 3 EN ISO 12957-1:2005Page 4 EN ISO 12957-1:2005Page 5 EN ISO 12957-1:2005Page 6 EN ISO 12957-1:2005Page 7 EN ISO 12957-1:2005Page 8 EN ISO 12957-1:2005Page 9 EN ISO 12957-1:2005Page 10 EN ISO 12957-1:2005
