ISO INTERNATIONAL STANDARD 12122-3 Firstedition 2016-07-01 Timber structures Determination of characteristic values- Part 3: Glued laminated timber Structuresen bois-Determinationdesvaleurs caracteristiques- Partie3:Exigencespourlesboislamellé-collé Reference number ISO12122-3:2016(E) ISO @IS0 2016 IS012122-3:2016(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2016, Published in Switzerland 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 orIso's member body in the country of the requester. ISO copyright office 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 ii @IS02016-Allrightsreserved IS0 12122-3:2016(E) Contents Page Foreword .iv Introduction .V 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Symbols and abbreviated terms 1 5 Reference population 1 6 Sampling. 2 6.1 Sampling method 6.2 2 Sample size. 7 Sample conditioning 2 8 Test data 2 8.1 Test method 2 8.2 Test data compatible with product description 3 8.3 Failuremodes 9 Evaluationofcharacteristicvaluesforstructuralproperties 3 9.1 Structural properties. 3 9.2 Characteristicmodulusofelasticityorstiffness 3 .3 9.3 Characteristic values of strength or capacity 9.3.1 Characteristic bearing strength 3 9.3.2 Othercharacteristicvaluesforstrengthorcapacitybased onthe5th .3 percentile test value 10 Report .3 AnnexA (informative)Commentary Annex B (informative) Analytical models for determining characteristic properties ofglued laminated timber. 8 Bibliography 9 iii IS0 2016-All rights reserved