ISO INTERNATIONAL STANDARD 834-13 First edition 2019-05 Fire-resistance tests Elements of building construction - Part 13: Requirements for the testing and assessment of applied fire protection to steel beams with web openings Essais de résistance au feu-Elements de construction - Partie 13: Exigences pour les essais et I'évaluation de la protection contre I'incendie appliquée aux poutres en acier avec ouvertures dansl'ame Reference number IS0 834-13:2019(E) @ IS0 2019 IS0 834-13:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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: +41 22 749 01 11 Fax: +4122 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2019 - All rights reserved IS0 834-13:2019(E) Contents Page Foreword Introduction .vi 1 Scope. 1 2 Normative references. .1 3 Terms and definitions 4 Symbols and abbreviated terms .4 5 Test equipment. 4 5.1 General. 4 5.2 Furnace. 4 5.3 Test conditions 4 6 Test specimens. 4 6.1 General 4 6.2 Precautions against erroneous results 4 6.3 Construction of steel test specimens 4 6.3.1 Cellular beam test sections. 4 6.3.2 Application of the fire protection to the test sections .8 6.4 Composition of test specimen component materials 8 6.4.1 Steelsections .8 6.4.2 Fire protection materials 9 6.4.3 Fire protection thickness requirements 10 6.5 Selection of test specimens - ' Testpackages 11 7 Installation of test specimens 12 7.1 Fixing 12 7.2 Installation pattern 13 7.3 Furnace load 14 7.4 Conditioning of the test specimens 14 8 Application of instrumentation 15 8.1 General 15 8.2 Instrumentation for measurement of furnace temperature. 15 8.2.1 General 15 8.2.2 Furnacetemperatureintheregionoftestspecimens 15 8.3 Instrumentation for measurement and determination of steel temperatures. .15 8.3.1 Locationofthermocouplesattachedtothebeams. 15 8.3.2 Location of web reference thermocouples. 15 8.4 Instrumentation for measurement of pressure. 15 9 Test procedure 15 9.1 General 15 9.2 Furnace temperature and pressure 15 9.3 Temperature of steelwork 16 9.4 Observations. 16 9.5 Termination of test 16 10 Test results. .16 10.1 Acceptability of test results 16 10.2 Test report and presentation of test results 16 11 Assessment .17 11.1 General 17 11.2 Determination of web post and web reference temperatures. 17 11.2.1 Calculationofwebposttemperatures 17 11.2.2 Calculation of web reference temperature 17 11.3 Determination of web-post lines. .18 @ IS0 2019 - All rights reserved iii