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Find out what cookies we use and how to disable themThis part of ISO 834 specifies the procedures to be followed for determining the fire resistance of columns when tested on their own. Two methods of testing are described: Method A is applicable to any type of column and the test is conducted with an applied axial load to the column. Method B is only applicable to protected steel columns with any type of protection system and the test is conducted with no load applied to the column and the fire resistance is determined based on steel temperature limits. Method B is only applicable to protection systems that do not support any of the structural load.
The application of this test to other untested forms of construction is acceptable when the construction complies with the direct field of application as given in this part of ISO 834 or when subjected to an extended application analysis in accordance with ISO/TR 12470. Since ISO/TR 12470 gives only general guidelines, specific extended application analyses are to be performed only by persons expert in fire-resistant constructions.
General guidance on this test method is given in annex A.
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