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Homepage>BS Standards>13 ENVIRONMENT. HEALTH PROTECTION. SAFETY>13.220 Protection against fire>13.220.50 Fire-resistance of building materials and elements>BS ISO 834-11:2014 Fire resistance tests. Elements of building construction Specific requirements for the assessment of fire protection to structural steel elements
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immediate downloadReleased: 2014-02-28
BS ISO 834-11:2014 Fire resistance tests. Elements of building construction Specific requirements for the assessment of fire protection to structural steel elements

BS ISO 834-11:2014

Fire resistance tests. Elements of building construction Specific requirements for the assessment of fire protection to structural steel elements

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Standard number:BS ISO 834-11:2014
Pages:64
Released:2014-02-28
ISBN:978 0 580 85619 8
Status:Standard
DESCRIPTION

BS ISO 834-11:2014


This standard BS ISO 834-11:2014 Fire resistance tests. Elements of building construction is classified in these ICS categories:
  • 13.220.50 Fire-resistance of building materials and elements

The assessment detailed in this part of ISO 834 is designed to cover a range of thicknesses of the fire protection material, a range of steel sections characterized by their section factors, a range of design temperatures, and a range of valid fire resistance classification periods.

This part of ISO 834 covers fire protection systems that include both passive (boards, mats, slabs, and spray materials) and reactive materials as defined in this document.

The assessment procedure is used to establish

  1. on the basis of the temperature data derived from testing loaded and unloaded specimens, a correction factor and practical constraints on the use of the fire protection system (the physical performance) and

  2. on the basis of the temperature data derived from testing unloaded short steel specimens, the thermal properties of the fire protection material (the thermal performance).

The limits of applicability of the results of the assessment are defined together with permitted direct application of the results to different steel section sizes and strength grades (but not stainless steels) and to the fire protection system tested. The results of the tests obtained according to ISO 834-10 and the assessment in this part of ISO 834 are directly applicable to steel sections of “I” and “H” cross-sectional shape and hollow sections. Results from analysis of I or H sections are directly applicable to angles, channels, and T-sections for the same section factor, whether used as individual elements or as part of a fabricated steel truss.

The results of the assessment are applicable to fabricated sections.

This part of ISO 834 does not apply to concrete-filled hollow sections, beams, or columns containing holes or openings of any type or solid bar.

Any assessment method is acceptable provided it meets the acceptability criteria given in 5.5. Examples of assessment methods in common use are given in Annexes C to G.