ISO INTERNATIONAL STANDARD 12236 Second edition 2006-09-01 Geosynthetics Static puncture test (CBR test) Géosynthetiques - Essai de poinconnement statique (essai CBR) Reference number ISO 12236:2006(E) @ ISO 2006 ISO12236:2006(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. @ISO2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, Iso's member body in the country of the requester. ISO copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ii ISO2006-All rights reserved ISO 12236:2006(E) Contents Page Foreword. iv 1 Scope, 2 Normative references 3 Terms and definitions.. 4 Principle. 5 Apparatus 6 Specimens 7 Conditioning. 8 Procedure. 5 9 Recording, calculation and expression of results 6 9.1 Recording of data .... 9.2 Calculation and expression of results. 10 Test report ISO2006-All rightsreserved ii ISO 12236:2006(E) Foreword ISO(theInternationalOrganizationforStandardization)isaworldwidefederationof nationalstandardsbodies (isO member bodies). The work of preparing International Standards is normally carried out through IsO technical committees. Each member body interested in a subject for which a technical committee has been International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Attention is drawn to the possibility that some of the elements of this document may be the subject of patent ISO 12236 was prepared by the European Committee for Standardization (CEN) Technical Committee CEN/TC 189, Geosynthetics in collaboration with Technical Committee ISO/TC 221, Geosynthetics, in This second edition cancels and replaces the first edition (iSO 12236:1996), which has been technically revised. iv @IsO2006-All rights reserved INTERNATIONAL STANDARD ISO12236:2006(E) Geosynthetics Static puncture test (CBR test) Scope This International Standard specifies a method for the determination of the puncture resistance by measuring The test is normally carried out on dry specimens conditioned in the specified atmosphere. The test is applicable to most types of products, but not to materials with apertures greater than 10 mm. 2 Normative references references, only the cited edition applies. For undated references, the latest edition of the referenced document (including any amendments) applies. Iso 554, Standard atmospheres for conditioning and/or testing - Specifications IsO 7500-1,Metallicmaterials-Verificationofstaticuniaxialtestingmachines- Part 1: Tension/compression testing machines - Verification and calibration of the force-measuring system IsO9862, Geosynthetics—Sampling andpreparationof test specimens ISO 10320, Geosynthetics ldentification on site 3Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1