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ISO 834-13:2019

(Main)

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

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

This document specifies a test and assessment method for determining the contribution made by fire protection systems to the fire resistance of structural steel beams, I and H sections, in the horizontal plane containing openings in the web which may affect the structural performance of the beam. It is applicable to beams subjected to three or four sided fire exposure. For any cellular beam with a single web opening or where the web openings are considered to be of small diameter in relation to the web depth the applicability of this document is intended to be determined by a structural engineer This document adopts the principle of establishing ratios of temperatures between and around openings in the web of a beam with the temperatures of a solid portion of that beam. This is with the intention that these data can be utilised within a structural model to derive the value and location of the associated limiting temperature of the beam at the fire limit state. The limiting temperature is then used in conjunction with data for the fire protection material determined from ISO 834-10 and ISO 834-11 to determine the necessary thickness of fire protection material for beams with web openings. This document applies to fire protection materials that have already been tested and assessed in accordance with ISO 834-10 and ISO 834-11 and is not intended to be used in isolation. It covers fire protection systems that include both passive and reactive materials which follow the section profile as defined in this document. This document includes the use of a multi-temperature analysis (MTA) derived from ISO 834-11 as the basis for determining the thickness of fire protection for beams with web openings. This document contains an assessment method, which prescribes how the analysis of the test data should be made and gives guidance on the procedures that could be undertaken. The assessment procedure can be used to establish: a) The thermal response of the fire protection system on cellular beams, (the thermal performance) on the basis of the temperature data derived from testing unloaded steel sections. b) The temperature ratio between the web post and the web reference temperature, which will vary depending on the web post width. c) The temperature ratio between points around the web openings and the web reference area. d) A structural model that can be used to derive limiting temperatures for cellular beams.

Essais de résistance au feu — Éléments de construction — Partie 13: Exigences pour les essais et l'évaluation de la protection contre l'incendie appliquée aux poutres en acier avec ouvertures dans l'âme

General Information

Status
Published
Publication Date
20-May-2019
ICS
13.220.50 - Fire-resistance of building materials and elements
Technical Committee
ISO/TC 92/SC 2 - Fire containment
Drafting Committee
ISO/TC 92/SC 2/WG 1 - General requirements
Current Stage
9020 - International Standard under periodical review
Start Date
15-Apr-2024
Completion Date
15-Apr-2024
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ISO 834-13:2019 - Fire-resistance tests -- Elements of building constructionISO 834-13:2019 - Fire-resistance tests -- Elements of building construction
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ISO 834-13:2019 - Fire-resistance tests -- Elements of building construction
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INTERNATIONAL ISO
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 — Éléments de construction —
Partie 13: Exigences pour les essais et l'évaluation de la protection
contre l'incendie appliquée aux poutres en acier avec ouvertures
dans l'âme
Reference number
ISO 834-13:2019(E)
©
ISO 2019

---------------------- Page: 1 ----------------------
ISO 834-13:2019(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 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: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 834-13:2019(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
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 Steel sections . 8
6.4.2 Fire pr
...

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