The safe evacuation of persons from a building operating within COVID-19 restrictions

IF 1.5 4区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
Dorota Brzezińska, Mariusz Stanisław Barański, P. Bryant, Agnieszka Haznar-Barańska
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引用次数: 1

Abstract

Buildings’ environmental conditions were changed drastically around the world due to the COVID-19 pandemic hazards and restrictions. New social distance rules and organizational changes in the buildings appeared to require a modified fire safety evacuation analysis. The total number of building users under the revised requirements was often limited. Some additional restrictions, such as the reduction of evacuation exit availability, could cause escape problems in the case of fire. In order to determine how the pandemic restrictions could influence the evacuation conditions, a sports hall building was used to assess the impact of the restrictions on evacuation strategies. The research covered test evacuation simulations using the ‘Pathfinder’ modelling software, as well as manual calculations of the expected evacuation time. It was found that the pandemic social distance requirements could cause adverse evacuation conditions in the case of fire. The research helped formulate a simple mathematical algorithm for determining safety evacuation parameters under pandemic restrictions. Practical application The surrounding conditions for new buildings are driven by the reduction of social distances imposed by the COVID-19 pandemic. It has been found that pandemic social distancing can significantly extend the time of the evacuation of people. This article proposes a new simple mathematical algorithm for determining the evacuation parameters under pandemic restrictions, which allows the estimation of the required minimum width of emergency exits. This is a practical tool for those responsible for ensuring safety in buildings.
从新冠肺炎限制范围内运行的建筑物中安全疏散人员
由于新冠肺炎大流行的危险和限制,世界各地的建筑环境条件发生了巨大变化。新的社交距离规则和建筑组织的变化似乎需要修改消防安全疏散分析。根据修订后的要求,建筑物使用者的总数往往是有限的。一些额外的限制,如减少疏散出口的可用性,可能会在发生火灾时造成逃生问题。为了确定疫情限制如何影响疏散条件,使用了一座体育馆建筑来评估限制对疏散策略的影响。该研究包括使用“探路者”建模软件进行的测试疏散模拟,以及预期疏散时间的手动计算。研究发现,疫情社交距离要求可能会在发生火灾时造成不利的疏散条件。这项研究帮助制定了一个简单的数学算法,用于确定疫情限制下的安全疏散参数。实际应用新建筑的周围条件是由新冠肺炎大流行造成的社交距离的减少所驱动的。研究发现,保持疫情社交距离可以显著延长人员疏散的时间。本文提出了一种新的简单数学算法,用于确定疫情限制下的疏散参数,该算法可以估计紧急出口所需的最小宽度。对于那些负责确保建筑物安全的人来说,这是一个实用的工具。
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
Building Services Engineering Research & Technology
Building Services Engineering Research & Technology 工程技术-结构与建筑技术
CiteScore
4.30
自引率
5.90%
发文量
38
审稿时长
>12 weeks
期刊介绍: Building Services Engineering Research & Technology is one of the foremost, international peer reviewed journals that publishes the highest quality original research relevant to today’s Built Environment. Published in conjunction with CIBSE, this impressive journal reports on the latest research providing you with an invaluable guide to recent developments in the field.
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