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ISO 834-14:2019

(Main)

Fire-resistance tests — Elements of building construction — Part 14: Requirements for the testing and assessment of applied fire protection to solid steel bar

Fire-resistance tests — Elements of building construction — Part 14: Requirements for the testing and assessment of applied fire protection to solid steel bar

This document specifies a test and assessment method for determining the contribution of fire protection systems to the fire resistance of circular and rectangular solid steel bar. ISO 834-10 and ISO 834-11 cover other section shapes such as angles, channels and flats. This document is not intended to be used for twisted wire or for cold or hot rolled steel bar which is primarily used for the reinforcement of concrete. This document is applicable for the protection of solid bar up to a maximum diameter of 130 mm and in the case of rectangular bar the maximum side length shall be limited to 130 mm with a maximum aspect ratio of 2:1 against the shorter length side. Beyond these limits, the solid steel bars are covered in ISO 834-10 and ISO 834-11. This document is intended to be used with any applied fire protection system, including multi-layered systems, that have demonstrated their integrity/stickability when tested on floor beams and hollow sections under load, and assessed in accordance with ISO 834-11. This document does not incorporate results from a loaded test on a tension member. Guidance for conducting a fire test on a steel bar under a tensile load is provided in Annex C. This document contains the fire test methodology to provide data on the thermal characteristics of the fire protection system when exposed to the standard temperature/time curve specified in ISO 834-1. It also contains an assessment method for the analysis of the test data. The limits of applicability of the results of the assessment arising from the fire test are defined together with permitted direct application of the results to different steel types and sizes over the range of thicknesses of the applied fire protection system tested. The assessment procedure is used to establish: — on the basis of temperature data derived from testing steel bars, any practical constraints on the use of the fire protection system under fire test conditions, (the physical performance); — on the basis of the temperature data derived from testing steel bars, the thermal properties of the fire protection system, (the thermal performance). The limits of applicability of the results of the assessment arising from the fire test are defined together with permitted direct application of the results to different steel types and sizes of steel bar over the range of thicknesses of the applied fire protection system tested. This document describes testing in both the vertical and horizontal orientations at the discretion of the sponsor.

Essais de résistance au feu — Éléments de construction — Partie 14: Exigences pour les essais et l'évaluation de la protection contre l'incendie appliquée aux barres pleines en acier

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
Ref Project

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ISO 834-14:2019 - Fire-resistance tests -- Elements of building constructionISO 834-14:2019 - Fire-resistance tests -- Elements of building construction
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ISO 834-14:2019 - Fire-resistance tests -- Elements of building construction
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INTERNATIONAL ISO
STANDARD 834-14
First edition
2019-05
Fire-resistance tests — Elements of
building construction —
Part 14:
Requirements for the testing and
assessment of applied fire protection
to solid steel bar
Essais de résistance au feu — Éléments de construction —
Partie 14: Exigences pour les essais et l'évaluation de la protection
contre l'incendie appliquée aux barres pleines en acier
Reference number
ISO 834-14:2019(E)
©
ISO 2019

---------------------- Page: 1 ----------------------
ISO 834-14:2019(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 834-14:2019(E)

Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 2
3 Terms and definitions . 2
4 Symbols and abbreviated terms . 3
5 Test equipment. 3
5.1 General . 3
5.2 Furnace . 4
5.3 Loading equipment . 4
6 Test conditions . 4
6.1 General . 4
6.2 Support conditions . 4
6.3 Number of test specimens . 4
6.4 Size of test specimens . 4
6.5 Construction of steel test specimens . 4
6.5.1 Protected steel bars . 4
6.5.2 Application of the fire protection material .
...

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