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近年来,大型公共建筑物发生火灾造成人员伤亡的事故时有发生,疏散模拟分析是大型公共建筑物安全管理中的重要环节。基于BIM技术与疏散模拟软件,确定了基于BIM技术下的疏散模拟方法,并结合上海天文馆项目,模拟分析两个不同场景下的火灾情况,定量得出火灾危险时间。通过人员疏散模拟对不同火灾场景下人员疏散进行定量模拟分析,得出人员全部安全疏散所需要的时间。通过对比分析,得出不同场景下的火灾安全状况,为现实中大型公共建筑物发生火灾等紧急情况的人员疏散安全管理提供指导。
In recent years, large public buildings in the event of fire casualties accidents have occurred from time to time, evacuation simulation analysis of large public buildings is an important part of the safety management. Based on BIM technology and evacuation simulation software, the evacuation simulation method based on BIM technology was determined. Combined with Shanghai Planetarium project, the fire situation in two different scenarios was simulated and analyzed, and the fire danger time was obtained quantitatively. Through personnel evacuation simulation, the evacuation of personnel under different fire scenarios was quantitatively simulated and the time needed to evacuate all personnel was obtained. Through comparative analysis, the fire safety status under different scenarios is obtained, which provides guidance for the safety management of personnel evacuation in emergencies such as fire in large public buildings in reality.