Fire tests on building materials and structures-Methods for determination of the contribution of components to the fire resistance of a structure
建筑材料和结构的防火试验
Detailed test requirements for the contribution made by suspended ceilings to beams and by intumescent seals to doorsets and shutter assemblies.Cross References:BS 476:Part 20BS 476:Part 21BS 476:Part 22BS 476:Part 24BS 4360BS 4422Health and Safety at Work etc. Act 1974Asbestos Regulations 1969