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Home   Test method   BS 476-20:1987 fire resistance
 

BS 476-20:1987 fire resistance

BS 476-20:1987 fire resistance

BS 476-20 Fire tests on building materials and structures-Part 20: Method for determination of the fire resistance of elements of construction (general principles)

The sample exposed to high temperature and pressure conditions, the test samples within the specified time bearing weight, integrity and insulation.

 

BS 476-20 Focus on

1. Duration of fire resistance

2. Loadbearing capacity and impermeability

3. Insulation

4. Integrity

 

BS 476-20 fire resistance test time

30 minute

60 minute

90 minute

120 minute

150 minute

180 minute

、、、、、、

 

BS 476 reference standard

BS 476 Fire tests on building materials and structures.

BS 476-3:2004 external fire exposure roof test

BS 476-4:1970 Non-combustibility test for materials

BS 476-5:1979 Method of test of ignitability

BS476-6:1989 Method of test for propagation for materials

BS 476-7:1997 Surface spread of flame test for material

BS 476-11:1982 Method for assessing the heat emission from building materials

BS 476-12:1991 Ignitability of products by direct flame impingement

BS 476-15:1992 Method for measuring heat release of products-cone calorimeter

BS 476-20:1987 Method for determination of the fire resistance of elements of construction (general principles)

BS 476-21:1987 Methods for determination of the fire resistance of loadbearing elements of construction

BS 476-22:1987 Methods for determination of the fire resistance of non-loadbearing elements of construction

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 Source:防火网  Addtime:2010-7-29  Hits:6261

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