BS 476-24:1987通风管道耐火测试

BS 476-24: Fire tests on building materials and structures-Part 24: Method for determination of the fire resistance of ventilation ducts

BS 476-24: 对建筑材料和结构的着火试验—第24部分:通风管道耐火测试

BS 476-24测试方法，样品暴露下高温高压条件下，测试样品在规定时间内的承重量，完整性、隔热性。

BS 476-24:1987主要关注如下方面:

1． 完整性 Integrity

2． 隔热性 Insulation

3． 稳定性 stability

BS 476-24:1987可申请耐火测试时间:

30分钟

60分钟

90分钟

120分钟

150分钟

180分钟

、、、、、、

BS 476 相关参考标准

BS 476: Fire tests on building materials and structures.

BS 476:建筑材料及构件防火测试

BS 476-3:2004 external fire exposure roof test

BS 476-3:2004 室外屋顶的燃烧测试

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

BS 476-4:1970 材料的不燃烧性测试

BS 476-5:1979 Method of test of ignitability

BS 476-5:1979 可燃性燃烧测试

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

BS476-6:1989 制品火势蔓延的试验方法

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

BS 476-7:1997制品表面火势蔓延的试验和分级方法

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

BS 476-11:1982建筑材料热辐射性能测试方法

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

BS 476-12:1991产品直接火焰冲击的可燃性测试方法

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

BS 476-15:1992产品放热性测试-锥形量热仪

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

BS 476-20:1987建筑构件耐火的测定方法(一般原理)

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

BS 476-21:1987 承重构件耐火的测定方法

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

BS 476-22:1987非承重建筑构件耐火性能测试方法