This standard specifies the test device, test conditions, test piece requirements, test procedures, fire resistance limit judgment conditions and test reports for fire resistance tests of building components. For heavy components, other components, accessories or structures can refer to this standard for load-bearing and non-load-bearing purposes such as walls, beams, columns, floors, suspended ceilings and roofs.
GB/T 9978-1999 history
2008GB/T 9978.1-2008 Fire-resistance tests.Elements of building construction.Part1:General requirements
1999GB/T 9978-1999 Fire-resistance tests--Elements of building construction