Taking an international convention and exhibition center as an example, introduced the difficulties in fire design, such as over-large fire compartment area, evacuation on both sides of the annular passage, and the corresponding measurements were proposed, including set of fire barrier, taking the annular passage as transition zone of people evacuation.Set fire scenes according to the most unfavorable principles, the building fire was simulated and the effectiveness of fire design plan was assessed.The results showed that effective countermeasures could solve the fire design problems and meet with the requirements of building fire design.%以某国际会展中心为例,介绍了建筑存在的消防设计难点,即展馆防火分区面积过大、建筑内环形通道两侧的人员疏散等问题,提出消防设计方案,如展厅内设计防火隔离带、将环形通道作为人员安全疏散的过渡区等.根据最不利原则设定火灾场景,对建筑火灾进行模拟,评估消防设计措施的有效性.结果表明,采取有效的措施能够解决该类建筑设计难点,满足建筑防火要求.
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