ISO INTERNATIONAL STANDARD 25619-2 Second edition 2015-08-15 Geosynthetics Determination of compression behaviour - Part 2: Determination of short-term compression behaviour Géosynthétiques-Détermination du comportement en compression Partie 2: Deétermination du comportement a la compression a court terme Reference number IS0 25619-2:2015(E) SO International Organization for Standardization @ IS0 2015 vided by IHS under I ted without license from IHS IS0 25619-2:2015(E) COPYRIGHTPROTECTEDDOCUMENT IS02015,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org PrganizationforStandardization nsezhejang ntteosandardiatinS2015Allrightsreerved etworking permitted without license from IHS IS0 25619-2:2015(E) Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols and abbreviated terms 5 Principle .2 6 Apparatus .2 6.1 Compression testing machine. .2 6.2 Measurement of displacement .2 6.3 Measurement of force .2 6.4 Recording of measured values. 7 Specimens. .3 7.1 Dimensions of specimens 3 7.2 Preparation of specimens ..4 7.3 Number of specimens 4 7.4 Conditioning of specimens. .4 8 Test procedure ..4 9 Calculation and expression of results 9.1 General .5 9.2 Short-term compressive strength and corresponding strain 9.2.1 Short-term compressive strength .6 9.2.2 Compressive strain. ..6 9.3 Compressive strain at 1 MPa. .6 10 Test report. .7 iii see=Zhejiang Institute of Standardization 5956617 vided by IHS under lic ithout license from IHS