ISO/TR TECHNICAL 12470-1 REPORT First edition 2017-11 Fire-resistance tests Guidance on the application and extension of results from tests conducted on fire containment assemblies and products - Part 1: Loadbearing elements and vertical and horizontal separating elements Essaisderesistanceaufeu-RecommandationspourI'application et I'extrapolation des résultats d'essais realisés sur les produits et assemblagesd'endiguementdufeu- Partie 1: Elements porteurs et éléments horizontaux et verticaux de séparation Reference number IS0/TR12470-1:2017(E) ISO @ISO2017 Copyright Intemafional Organization for Standardizatior IS0/TR12470-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, 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 or ISo'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 ISO 2017-All rights reserved r networking permited without icanse from IHS Not for Resale, 12/01/2017 01:18:44 MST IS0/TR12470-1:2017(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. 2 Normative references .. 3 Terms and definitions 4 Principles of the field of application 4.1 Direct application .4 4.2 Extended application. 4.2.1Rulesofextendedapplication. .5 4.2.2 Calculations and computer programs used in extended applications. 4.2.3 Judgements in extendedapplications. .5 Project specific application ..5 4.3 5 Common factors which influence thefield of application of all elements 5.1 Manufacture and materials .6 General. ..6 5.1.1 5.1.2 Direct application. .6 6 Loadbearing elements .6 6.1 Walls. ..7 6.1.1 General 7 6.2 Direct application .7 6.2.1 Commonparametersofallformsofwallconstruction 7 6.2.2 Extendedapplication. .9 6.3 Floors. .11 6.3.1 General. ..11 6.3.2 Direct application ..1 6.3.3 Extended application .13 7 Non-loadbearingelements ..15 7.1 Vertical partitions .15 7.1.1 General. .15 7.1.2 Direct application ..15 7.1.3 Extended application .16 7.2 Horizontal"partitions"ceilingmembranes .20 7.2.1 General. 20 7.2.2 Direct application .20 7.2.3 Extendedapplication .21 8 Evolution of testing and summary of quantifiable approaches .25 8.1 Improvementoftestingmethodologies 25 8.1.1 Existingtestmethods 26 8.1.2 Test using reduced-size specimen (reduced-scale test) 27 8.1.3 Selection ofthe specimen. .27 8.2 Mathematical modellingofthermal andmechanicalresponse .28 8.2.1 Level1Numericalregressionanalysis .28 8.2.2 Level 2 Graphical approach. .28 8.2.3 Level 2 3Dinterpolation. .28 8.2.4 Level3 -Physical equation analysis .29 8.2.5 Level 4 Finiteelementmethods 29 8.2.6 Level5 -Integrated interactiveanalysis .30 8.3 Expert systembased upon theuse ofperformance coefficients 30 8.3.1 Concept 30 8.3.2 Establishingthecoefficients 31 8.3.3 Obtainingbenefitfromexcessperformance ..31 iii Provided by IHS Markit under icense with ANS Not for Resale, 12/01/2017 01:18:44 MST