Performance-Based Fire-Protection Design of Public Amenities with Restrained Personnel Activities

IF 3 3区 农林科学 Q2 ECOLOGY
Xuejun Jia, Yongsheng Wang, Jingtao Chen, Z. Fang, K. Xia, He Wang
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引用次数: 0

Abstract

In this paper, performance-based fire-protection design is used for the fire-safety design of public amenities with restrained personnel activities. In these places, tourists’ activities are constrained in a limited space such as cockpit moving along the track. Since it is another typical scenario of fire-protection problem that cannot fully comply with the current mandatory codes and regulations, simulation analysis is used in order to ensure that such fire scenario could achieve performance objectives as expected. Firstly, corresponding fire-protection performance objectives, strategies and simplified evaluation criteria are brought forward in this paper. Then, through simulating the smoke flow in the fire using the computational fluid dynamics software FDS, the effectiveness of the smoke control strategy is verified. Meanwhile, the escaping environments of these fire scenes are analyzed. Further, the personnel evacuation simulation software (Pathfinder) is resorted to simulate the personnel emergency evacuation. The efficiency and the total time that consumed are obtained. Finally, by analyzing the similarities and differences of evacuation under different fire scenes, the fire and smoke spread in the riding area can be effectively controlled, and a safe evacuation environment can be provided for the evacuation of tourists.
基于性能的人员活动受限公共设施消防设计
本文将性能化消防设计用于人员活动受限的公共设施的消防安全设计。在这些地方,游客的活动被限制在有限的空间内,比如沿着轨道移动的驾驶舱。由于这是消防问题的另一个典型场景,不能完全符合现行强制性法规,因此使用模拟分析来确保此类火灾场景能够达到预期的性能目标。本文首先提出了相应的消防性能目标、策略和简化的评价标准。然后,利用计算流体力学软件FDS模拟火灾中的烟气流动,验证了烟气控制策略的有效性。同时,对这些火灾现场的逃生环境进行了分析。此外,人员疏散模拟软件(Pathfinder)用于模拟人员紧急疏散。获得了效率和消耗的总时间。最后,通过分析不同火灾场景下疏散的异同,可以有效控制骑行区的火灾和烟雾蔓延,为游客疏散提供安全的疏散环境。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Fire-Switzerland
Fire-Switzerland Multiple-
CiteScore
3.10
自引率
15.60%
发文量
182
审稿时长
11 weeks
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