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Performance of gypsum board exposed to fire.

机译:石膏板性能着火。

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摘要

Gypsum board provides significant protection to timber and steel frame floor assemblies exposed to fire. Typically, the behaviour of those boards is assessed based on the standard fire exposure which is conservative for long fire exposures. However, the severity of a non-standard fire might exceed the standard exposure, especially in the early stages.; Full-scale tests in which floor assemblies were subjected to standard and non-standard time-temperature exposures conducted as part of this study revealed that the performance of gypsum board is highly dependent on the severity of the fire. In addition, intermediate-scale tests exposed to standard and non-standard fire on floor assemblies conducted as a part of this research showed that intermediate-scale tests can be used in the evolution stages to reduce costs.; The time of gypsum board fall-off has been investigated by analysing fall-off times observed in 80 full-scale standard fire resistance tests conducted on floor assemblies. This investigation resulted in correlations that can be used to predict the fall-off time of the first piece of the gypsum board from the assembly.
机译:石膏板为暴露于火的木材和钢框架地板组件提供了重要的保护。通常,这些板的行为是根据标准的火灾暴露评估的,该标准对于长时间的火灾暴露是保守的。但是,非标准火灾的严重性可能会超过标准暴露,尤其是在早期阶段。作为这项研究的一部分,对地板组件进行标准和非标准时间-温度暴露的全面测试表明,石膏板的性能在很大程度上取决于火灾的严重性。此外,作为这项研究的一部分,进行了暴露于地板组件标准和非标准火灾的中型测试表明,中型测试可以用于开发阶段以降低成本。通过分析在地板组件上进行的80项全面标准耐火性测试中观察到的脱落时间,研究了石膏板脱落的时间。这项研究得出的相关性可用于预测组装中第一块石膏板的脱落时间。

著录项

  • 作者

    Elewini, Eman.;

  • 作者单位

    Carleton University (Canada).;

  • 授予单位 Carleton University (Canada).;
  • 学科 Engineering Civil.
  • 学位 M.A.Sc.
  • 年度 2006
  • 页码 254 p.
  • 总页数 254
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 建筑科学;
  • 关键词

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