Identifies the parameters and factors that affect the fire resistance of beams and need to be taken into account when considering extended application of results of beams tested in accordance with EN 1365-3. It also provides the methodology to be used when preparing an extended application, including rules and calculation methods, which can be applied to establish the resultant influence of a variation in one or more parameters and to determine the field of extended application.

NEN EN 15080-8:2009