ISO INTERNATIONAL STANDARD 18402 First edition 2016-09-01 Timber structures Structural insulated panel roof construction Test methods Structures en bois-Panneaux sandwich porteurs isolants pour toitures-Méthoded'essais Reference number IS0 18402:2016(E) X ISO @ISO 2016 IS0 18402:2016(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 18402:2016(E) Contents Page Foreword .iv Introduction .V 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Symbols 2 5 Product evaluation 4 5.1 Tests applicable to the panel construction 4 5.2 Tests applicable to roof panels 4 6 Structural testing 4 Conditioning 6.1 4 6.1.1 Standard conditioning 4 6.1.2 Alternativeconditionings 4 6.2 Tensile test on the core materialand bonding between faces and core 5 6.2.1 Specimen sizeand sampling 5 6.2.2 Conditioning 5 6.2.3 Loading method and test procedure. 5 6.2.4 Reporting results. 6 6.3 Shear test on panel assembly (short-term loading) 7 6.3.1 Specimensizeandsampling 7 6.3.2 Loadingmethod andtestprocedure 7 6.3.3 Reporting results 8 6.4 Outofplanebending (stiffnessandstrengthtest) 9 6.4.1 Panels subjected to uniform loading 9 6.4.2 Panels subjected toconcentrated loads 11 6.5 In-plane (diaphragm) monotonic load racking stiffness and strength test. 11 6.5.1 Testassembly .12 6.6 Creep testing .17 .17 7 Accelerated ageing (durability) testing AnnexA (informative)Testingfor creepbymeans ofAsTMC480 .18 Bibliography 21 iii IS0 2016-All rights reserved