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隧道火灾安全疏散模拟

, PP. 49-55

Keywords: 隧道火灾,人员疏散,数值模拟

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Abstract:

隧道的消防设计应以保护人员的生命安全为首要目标。为此开发了隧道火灾时的人员疏散计算机模型Tunev,该模型能计算隧道内不同火灾场景下人员疏散所需时间;与计算危险来临时间的火灾数值模拟软件FDS相结合,经两种时间的对比,可判断人员疏散的安全性,并进行疏散过程的动态演示。该模型包含了简单的火灾时人员行为数据库和隧道防火结构参数,通过定性和定量的分析计算,能发现消防设计中的不足,为人员疏散方案提供参考依据。此外,该模型还可作为辅助的消防演习工具。阐述了模型的有关概念,并对雪峰山隧道工程实例进行了疏散模拟,最后简述了Tunev模型的验证和应用。

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