ISO INTERNATIONAL STANDARD 12122-5 Firstedition 2018-11 Timber structures Determination of characteristic values - Part 5: Mechanical connections Structures en bois Détermination des valeurs caractéristiques - Partie 5: Assemblages Reference number ISO 12122-5:2018(E) so @ IS0 2018 IS0 12122-5:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2018 - All rights reserved IS0 12122-5:2018(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Symbols. ..2 5 Reference population .2 6 Sampling. ..2 6.1 Sampling method. .2 6.2 Sample size 7 Sample conditioning ..3 8 Test data .3 8.1 General .3 8.2 Test method .3 8.2.1 Monotonic loading of connections .3 8.2.2 Cyclic loading of connections .4 8.3 Test data compatible with product description .4 8.4 Failure modes. ..5 9 Evaluation of characteristic values for structural properties 5 9.1 Structural properties. .5 9.2 Characteristic initial stiffness of the connection (monotonic loading) ..6 9.3 Characteristic stiffness of the connection (cyclic loading) 6 9.4 Characteristic capacity of the connection ..6 9.4.1 Characteristic capacity. ..6 9.4.2 Test load in monotonic tests 9.4.3 Test load in cyclic load tests. ..6 10 Report ..7 Annex A (informative) Commentary .9 Bibliography .13 @ IS0 2018 - All rights reserved ii