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随着人们对游乐体验设施要求的逐步提高,新设施的建筑结构日趋复杂,致使很难满足现行消防规范要求。本文结合某大型多层实感观影体验项目设计工程中存在的超出国家现行防火规范的问题,通过分析该建筑中火灾危害性及防火安全目标,设置了最不利情况下的典型火灾场景,采用火灾风险评估中常用的烟气运动和人员疏散计算机数值模拟方法,计算出了可用疏散时间(ASET)和疏散所需时间(RSET),对比之后评估了火灾发生时人员的安全性,并对该项目的消防设计提出了指导性意见。
As people gradually improve the requirements of amusement experience facilities, the building structure of new facilities is becoming more and more complicated, which makes it difficult to meet the current fire code requirements. In this paper, a large multi-layer realistic experience photography project design project exists beyond the current national fire safety standards, through the analysis of fire hazards in the building and fire safety goals, setting the most unfavorable circumstances typical fire scenarios, the use of fire Risk assessment commonly used in flue gas movement and personnel evacuation of computer numerical simulation method to calculate the available evacuation time (ASET) and the evacuation time (RSET), compared to assess the safety of the fire in the event of a fire, and the project Fire design made a guiding opinion.