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基于马戏表演场馆建筑在不同火灾场景下的火灾蔓延及烟气流动的特点,结合某场馆实例,采用经验公式计算火灾环境中钢构件的温度,并通过火灾动力学模拟软件FDS(Fire Dynamics Simulator)进行模拟,分析火灾情况下裸露的钢结构穹顶是否需要防火保护以及如何进行保护,以验证技术设计方案可行性。
Based on the fire spread and flue gas flow characteristics of the circus venues in different fire scenes, the temperature of the steel components in the fire environment was calculated by using the empirical formula and the Fire Dynamics Simulator (FDS) The simulation was conducted to analyze whether the exposed steel dome in fire situation needs fire protection and how to protect it to verify the feasibility of the technical design scheme.