摘要
以某国际马戏馆为例,对其屋顶钢结构防火保护问题进行分析。依据最不利原则设置了舞台区火灾和座椅区火灾2种典型火灾场景,利用火灾动态模拟软件FDS及理论计算方法分别对设定火灾场景下屋顶钢结构的温升进行计算分析。结果表明:在2种设定火灾场景下,马戏馆的屋顶钢结构温度均未达到钢结构失效的临界温度300℃,屋顶钢结构可不进行防火保护。
Taking an international circus museum as an example, the fire protection problem for steel structure roof was analyzed. Two typical fire scenarios of stage area fire and seat area fire were built based on the most un- favorable principle. Then the temperature rise of the steel structure roof under the given fire scenarios was calcu- lated by virtue of fire dynamic simulation software FDS and theoretical calculation method. The result shows that the temperature of the steel structure roof under the given fire scenarios didnt reach the critical temperature of the steel structure failure at 300~C, so the steel structure roof of the circus museum could not carry out fire protection.
出处
《铁道科学与工程学报》
CAS
CSCD
北大核心
2013年第2期124-128,共5页
Journal of Railway Science and Engineering
关键词
马戏馆
火灾
钢结构屋顶
防火保护
circus museum
fire
steel structure roof
fire protection
