ISO/TS TECHNICAL SPECIFICATION 8611-4 Firstedition 2013-10-15 Pallets for materials handling Flat pallets - Part 4: Procedure for predicting creep responses in stiffness tests for plastic pallets using regression analyses Palettes pour lamanutention-Palettesplates- Partie 4: Mode operatoire pour prédire les reponses au fluage lors des essais de rigidité des palettes en plastique en utilisant des analyses de régression Reference number IS0/TS8611-4:2013(E) LSO @ IS0 2013 IS0/TS 8611-4:2013(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2013 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 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 @ IS0 2013 - All rights reserved IS0/TS 8611-4:2013(E) Contents Page Foreword ..iv 1 Scope 2 Normative references .1 3 Terms and definitions ..1 4 Symbols and abbreviated terms. .2 5 Procedure for predicting creep responses .2 5.1 Purpose .2 5.2 Test procedure.. .3 5.3 Specification of regression models ..3 5.4 Predicting the deflections under the test load and during the relaxation time .4 5.5 Statistical testing for the standard performance limit .5 6 Test report .6 Annex A (informative) An example of predicting creep responses in order to reduce the full test load duration Bibliography 10 @ IS0 2013 - All rights reserved iii