EN 13381-8 Reactive Protection Test Methods Applied to Steel Elements to Determine the Contribution of Structural Elements to Fire Resistance

Material Testing

EN 13381-8 Reactive Protection Test Methods Applied to Steel Elements to Determine the Contribution of Structural Elements to Fire Resistance

EUROLAB laboratory provides testing and compliance services within the scope of EN 13381-8 standard. This part of the EN 13381 standard specifies a test method for determining the contribution of applied reactive fire protection systems to the fire resistance of structural steel members usable as beams or columns.

EN 13381-8 Reactive Protection Test Methods Applied to Steel Elements to Determine the Contribution of Structural Elements to Fire Resistance

It only considers parts that are not open on the web. It cannot be directly applied to structural stress members without further consideration. Results from the analysis of I- or H-sections can be directly applied to angles, channels and T-sections for the same section factor, whether used as individual elements or diagonally. This standard does not apply to a solid bar or bar.

It covers only fire protection systems that contain reactive materials, not passive fire protection materials described in this document.

The assessment is designed to cover a range of steel sections characterized by a range of thicknesses of the applied fire protection material, section factors, a range of design temperatures and a range of applicable fire protection classification periods.

This European Standard contains fire test procedures specifying the tests that must be performed to determine the ability of the fire protection system to remain compatible and adhered to the steel structure and to provide data on the thermal properties of the fire protection system, when subjected to the standard temperature/time curve specified in EN 1363-1.

In special cases specified in National Building Regulations, reactive protection material may need to be subjected to a smoldering curve; for this, the specific conditions for testing and use are described in Appendix A.

The fire test methodology provides provisions for the collection and presentation of data that can be used as a direct input to the fire resistance calculation of steel structural members in accordance with the procedures given in EN 1993-1-2 and EN 1994-1-.

This European Standard also includes evaluation that determines how to analyze test data and guides the procedures in which interpolation should be carried out.

The evaluation procedure is used to determine:

  • temperature data from testing the loaded and unloaded sections, a correction factor, and any practical restrictions on the use of the fire protection system (physical performance) under fire test conditions;
  • Thermal properties (thermal performance) of the fire protection system, based on temperature data from testing short steel sections.

The limits of applicability of the evaluation results resulting from the fire test are defined to the different steel sections and grades and to the fire protection system, with the permissible direct application of the results. The test and evaluation results obtained according to this standard can be directly applied to steel sections and hollow sections in the form of I and H section.

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