DIN EN ISO 12956-2010 Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956 2010) German version EN ISO 12956 2010《土工织物和土工织物相关产品.pdf
《DIN EN ISO 12956-2010 Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956 2010) German version EN ISO 12956 2010《土工织物和土工织物相关产品.pdf》由会员分享,可在线阅读,更多相关《DIN EN ISO 12956-2010 Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956 2010) German version EN ISO 12956 2010《土工织物和土工织物相关产品.pdf(17页珍藏版)》请在麦多课文档分享上搜索。
1、August 2010 Translation by DIN-Sprachendienst.English price group 11No part of this translation may be reproduced without 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).ICS
2、 59.080.70!$j/“1712912www.din.deDDIN EN ISO 12956Geotextiles and geotextile-related products Determination of the characteristic opening size (ISO 12956:2010)English translation of DIN EN ISO 12956:2010-08Geotextilien und geotextilverwandte Produkte Bestimmung der charakteristischen ffnungsweite (IS
3、O 12956:2010)Englische bersetzung von DIN EN ISO 12956:2010-08Gotextiles et produits apparents Dtermination de louverture de filtration caractristique (ISO 12956:2010)Traduction anglaise de DIN EN ISO 12956:2010-08SupersedesDIN EN ISO 12956:1999-06www.beuth.deIn case of doubt, the German-language or
4、iginal shall be considered authoritative.Document comprises 17 pages08.10 DIN EN ISO 12956:2010-08 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 221 “Geosynthetics” in collaboration with Technical Committee CEN/TC 189 “Geosyn
5、thetics” (Secretariat: NBN, Belgium). The responsible German body involved in its preparation was the Normenausschuss Textil und Textil-maschinen (Textiles and Textile Machinery Standards Committee), Working Committee NA 106-01-11 AA Geotextilien und Geokunststoffe. The DIN Standards corresponding t
6、o the International Standards referred to in this document are as follows: ISO 9862 DIN EN ISO 9862 ISO 10320 DIN EN ISO 10320 ISO 565 DIN ISO 565 ISO 2591-1 DIN 66165-1, DIN 66165-2 Amendments This standard differs from DIN EN ISO 12956:1999-06 as follows: a) The standard has been editorially revis
7、ed and brought in line with the state of the art. b) Clause 2 “Normative references” has been updated. c) In clause 3, the definition of the symbol of the size of opening has been modified. d) Clause 5 “Apparatus and materials” has been completely revised. e) Subclauses 6.2 and 8.1 have been editori
8、ally revised. f) Clause 9 “Test report” has been editorially revised and Figures 1 and 2 have been replaced. g) Annex B has been editorially revised and Figures B.1 to B.3 have been replaced. Previous editions DIN EN ISO 12956: 1999-06 DIN EN ISO 12956:2010-08 3 National Annex NA (informative) Bibli
9、ography DIN ISO 565, Test sieves Metal wire cloth, perforated metal plate and electroformed sheet Nominal sizes of openings DIN 66165-1, Particle size analysis Sieve analysis General principles DIN 66165-2, Particle size analysis Sieve analysis Procedure DIN EN ISO 9862, Geosynthetics Sampling and p
10、reparation of test specimens DIN EN ISO 10320, Geotextiles and geotextile-related products Identification on site DIN EN ISO 12956:2010-08 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 12956 April 2010 ICS 59.080.70 Supersedes EN ISO 12956:1999English Ve
11、rsion Geotextiles and geotextile-related products - Determination of the characteristic opening size (ISO 12956:2010) Gotextiles et produits apparents - Dtermination de louverture de filtration caractristique (ISO 12956:2010) Geotextilien und geotextilverwandte Produkte - Bestimmung der charakterist
12、ischen ffnungsweite (ISO 12956:2010) This European Standard was approved by CEN on 22 March 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to
13、-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation unde
14、r the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany,
15、 Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Man
16、agement Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12956:2010: EContents DIN EN ISO 12956:2010-08 EN ISO 12956:2010 (E) 2 Page Foreword3 1 Scope 4 2 Normative references 4 3 S
17、ymbols 4 4 Principle4 5 Apparatus and materials.5 6 Test specimens6 6.1 Handling6 6.2 Selection .6 6.3 Number and dimensions.6 6.4 Specimen condition.6 7 Procedure .6 8 Calculation and expression of results.7 9 Test report 7 Annex A (normative) Mesh sizes .10 Annex B (informative) Example of the det
18、ermination of the characteristic opening size .11 Foreword This document (EN ISO 12956:2010) has been prepared by Technical Committee ISO/TC 221 which is held by NBN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement
19、, at the latest by October 2010, and conflicting national standards shall be withdrawn at the latest by October 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying
20、 any or all such patent rights. This document supersedes EN ISO 12956:1999. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). According to the CEN/CENELEC Internal R
21、egulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg,
22、 Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 12956:2010 has been approved by CEN as a EN ISO 12956:2010 without any modification. “Geosynthetics” in collaboration with Technical Commi
23、ttee CEN/TC 189 “Geosynthetics”, the secretariat of DIN EN ISO 12956:2010-08 EN ISO 12956:2010 (E) 3 1 Scope This International Standard specifies a method for the determination of the characteristic size of the openings of a single layer of a geotextile or geotextile-related product using the wet-s
24、ieving principle. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 9862
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