Hivatkozási szám

MSZ EN 13381-10:2020

Dokumentumazonosító

175804

Cím

Szerkezeti elemek tűzállóságához való hozzájárulás meghatározásának vizsgálati módszerei. 10. rész: Járulékos tűzvédelem húzott merev acélrudakhoz

Angol cím

Test methods for determining the contribution to the fire resistance of structural members. Part 10: Applied protection to solid steel bars in tension

Alkalmazási terület

This document specifies a fire test method and an assessment procedure for determining the contribution of fire protection systems to the fire resistance performance of circular and rectangular steel bars used as tension members. This document applies to fire protection materials that have already been tested and assessed in accordance with EN 13381-4 or EN 13381-8. For other section shapes such as angles, channels and flats, reference can be made to EN 13381-4 and EN 13381-8. This document does not include steel or any other cold formed bar used as reinforcement in concrete construction. For other solid bar geometries such as oval or triangular cross section, these are subject to a separate test package in accordance with the principles of Clause 5 of this document. Fire protection performance is determined by testing of unloaded tension members, although additional loaded test evidence can be required for certain product types subject to certain conditions specified in the document. The method is applicable to all fire protection systems used for the protection of solid bar up to a maximum diameter of 130 mm and includes sprayed fire protection, reactive coatings, cladding protection systems and multi-layer or composite fire protection materials. In the case of rectangular bar, the maximum side length is limited to 130 mm with a maximum aspect ratio of 2:1 against the shorter side length. For dimensions greater than 130 mm it is appropriate to use rectangular or circular hollow sections tested and assessed in accordance with EN 13381-4 and EN 13381-8 provided they have been tested in the same orientation. The evaluation is designed to cover a range of thicknesses of the applied fire protection material, a range of steel bar dimensions, a range of specified temperatures and a range of valid fire protection periods. The test method is applicable to fire protection systems which are intimately in contact with the bar, or which include an airspace between the bar and the protection system as given in EN 13381-4. This document also provides the assessment procedure, which prescribes the analysis of the test data and gives guidance on the procedures to undertake interpolation. This document caters for testing in both vertical and horizontal orientations. Results from horizontally orientated bar can be applied to any orientation, whilst results from vertically orientated bar are only used for horizontal bars when the data has been corrected in accordance with Annex C. This document gives the fire test procedures, carried out to provide data on the thermal characteristics of the fire protection system, when exposed to the standard temperature/time curve specified in EN 1363-1. The assessment procedure is used to establish: a) on the basis of data derived from testing steel bar, any practical constraints on the use of the fire protection system under fire test conditions (the physical performance); b) on the basis of the temperature data derived from testing steel bar 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 application of the results to different steel types and sizes over the range of thicknesses of the applied fire protection system tested.

ICS

13.220.50 Építőanyagok és -elemek tűzállósága

91.080.13 Acélszerkezetek

Műszaki Bizottság

A szabvány nyelve

angol

Az érvényesség kezdete

2020-10-01

Forrás

idt EN 13381-10:2020

Előd

Utód

Módosítás

SZK-közlemények

Kapcsolódó európai jogszabály

305/2011/EU; (CPR11); 89/106/EGK; (CPR89)

A szabvány

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