This standard BS EN 1365-4:1999 Fire resistance tests for loadbearing elements is classified in these ICS categories:
13.220.50 Fire-resistance of building materials and elements
This part of EN 1365 specifies a method for determining the fire resistance of columns when fully exposed to fire on all sides. This standard is used in conjunction with prEN 1363-1. General guidance on this method of test is given in annex A.