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Investigating the influence of route turning angle on compliance behaviors and evacuation performance in a virtual-reality-based experiment
Advanced Engineering Informatics ( IF 8.8 ) Pub Date : 2021-03-03 , DOI: 10.1016/j.aei.2021.101259
Ming Zhang , Jinjing Ke , Liyang Tong , Xiaowei Luo

Route turning is one of the most essential and ubiquitous physical features in the complex building environment. Under the influence of route turning, evacuees’ approaching perspective to an emergency sign could vary, affecting their information perception and behavioral compliance during the evacuation. Although conventional simulation methods assess the effectiveness of the emergency sign in the visible region, they fail to consider evacuees’ wayfinding behaviors and interaction with the emergency sign. It remains unclear whether the route turning angle affects evacuees’ compliance for detecting and responding to the emergency sign. To investigate such an influence, a virtual-reality-based method for assessing human evacuation behaviors in building fire evacuations was proposed. In this study, two evacuation routes with different turning angles in a shopping mall were created and implemented in a virtual-reality environment, and 67 subjects participated in the immersive virtual-reality-based experiment. All participants took the two routes to find the nearest exit for evacuation in a fire event, aiming to evaluate the effect of the route turning angle on the evacuation process. The participants were asked to complete a questionnaire at the end of the experiment. Next, statistical analyses were conducted on evacuation results, information perception, and evacuation performance of the participants. The results indicated the route turning angle significantly affected participants' behavioral compliance with emergency signs. The results also suggested the route turning angle was influential on participants’ information perception and evacuation performance. Besides, a significant effect on rotation change, wayfinding pause, and speed deviation were observed. This study validates the effectiveness of investigating evacuees’ interaction with emergency signs using virtual-reality technology and has potential implications for complex building path planning and evacuation simulation modeling.



中文翻译:

在基于虚拟现实的实验中研究路线转弯角度对依从行为和疏散性能的影响

在复杂的建筑环境中,路线转弯是最重要,最普遍的物理特征之一。在路线转弯的影响下,撤离人员对紧急标志的接近角度可能会发生变化,从而影响他们在疏散过程中的信息感知和行为依从性。尽管常规的模拟方法评估了可见区域中紧急标志的有效性,但它们并未考虑撤离人员的寻路行为以及与紧急标志的交互作用。尚不清楚路线转弯角度是否会影响撤离人员对紧急信号的检测和响应的依从性。为了研究这种影响,提出了一种基于虚拟现实的方法来评估建筑物火灾疏散中的人员疏散行为。在这项研究中,在虚拟现实环境中创建并实施了两个在购物中心中具有不同转弯角度的疏散路线,共有67名受试者参加了基于沉浸式虚拟现实的实验。所有参与者都采取了两条路线,以在发生火灾时找到最近的疏散出口,旨在评估路线转弯角对疏散过程的影响。在实验结束时,要求参与者填写问卷。接下来,对疏散结果,信息感知和参与者的疏散表现进行了统计分析。结果表明,路线转弯角显着影响参与者对紧急标志的行为依从性。结果还表明,路线转弯角对参与者的信息感知和疏散性能有影响。此外,还观察到了对旋转变化,寻路暂停和速度偏差的显着影响。这项研究验证了使用虚拟现实技术调查撤离人员与紧急征兆互动的有效性,并且对复杂的建筑路径规划和疏散模拟模型具有潜在的影响。

更新日期:2021-03-03
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