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<p>This part of ISO 834 specifies the procedures to be followed for determining the fire resistance of beams, when</p>
<p>tested on their own.</p>
<p>Beams are normally tested with their underside and two vertical sides fully exposed to heating. However, when the</p>
<p>exposure is from four sides or less than three sides, appropriate exposure conditions are necessary. Beams which</p>
<p>are part of a floor construction are tested with the floor construction as described in ISO 834-5 and are subject to</p>
<p>evaluation of integrity and insulation.</p>
<p>The application of this test to other untested forms of construction is acceptable when the construction complies</p>
<p>with the direct field of application as given in this part of ISO 834 or when subjected to an extended application</p>
<p>analysis in accordance with ISO/TR 12470. Since ISO/TR 12470 gives only general guidelines, specific extended</p>
<p>application analyses are to be performed only by persons expert in fire-resistant constructions.</p>
<p>General guidance on this test method is given in annex A.</p>
Reģistrācijas numurs (WIID)
30320
Darbības sfēra
<p>This part of ISO 834 specifies the procedures to be followed for determining the fire resistance of beams, when</p>
<p>tested on their own.</p>
<p>Beams are normally tested with their underside and two vertical sides fully exposed to heating. However, when the</p>
<p>exposure is from four sides or less than three sides, appropriate exposure conditions are necessary. Beams which</p>
<p>are part of a floor construction are tested with the floor construction as described in ISO 834-5 and are subject to</p>
<p>evaluation of integrity and insulation.</p>
<p>The application of this test to other untested forms of construction is acceptable when the construction complies</p>
<p>with the direct field of application as given in this part of ISO 834 or when subjected to an extended application</p>
<p>analysis in accordance with ISO/TR 12470. Since ISO/TR 12470 gives only general guidelines, specific extended</p>
<p>application analyses are to be performed only by persons expert in fire-resistant constructions.</p>
<p>General guidance on this test method is given in annex A.</p>
