窄通道一维断续行人流中走走停停波的特征

H. Gayathri, Siddhartha Gulhare, A. Verma
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引用次数: 7

摘要

行人微观模拟模型只有能够正确再现人群行为,才能帮助人群管理。为了校准和验证该模型,了解大规模聚集事件中各种活动期间的人群运动是很重要的。这种聚会的一种常见做法是在活动前将与会者安排在由人群屏障隔开的走廊附近的等候区,并只允许在指定时间后进入活动。人群被小批量释放,以避免里面人满为患。漫长的等待时间、愤怒、兴奋、竞争情绪等都会使观众在此类比赛中表现出攻击性。在实验室环境中的行人实验研究中,由于这种行为而产生的人群流动特征很难重现。本文研究了这类人群在寺庙内由坚固的栏杆通道组成的狭窄走廊中的断续流动。中断的流动导致一维走走停停波的形成。这些走走停停的波是从轨迹数据中研究出来的。还估算了波浪在较长距离上传播的平均速度。这项研究的定量输出可用于校准和验证大规模聚集事件期间此类活动的模拟模型。
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Characteristics of Stop and Go Wave in One Dimensional Interrupted Pedestrian Flow Through Narrow Channel
Pedestrian microscopic simulation models can aid crowd management only if they can reproduce the crowd behavior correctly. To calibrate and validate the model, it is important to understand crowd movement during various activities involved in mass gathering events. A common practice in such gathering is to hold attendees in waiting area in near corridors separated by crowd barriers before the event and allow entering the event only after a designated time. The crowd is released in small batches to avoid overcrowding inside. Long waiting hours, anger, excitement, competitive feeling etc. can make crowd aggressive during such entries. Crowd flow characteristics due to such behavior is difficult to recreate in pedestrian experimental studies in laboratory setting. This paper studied interrupted flow of such crowd through a narrow corridors made of strong railing channel inside a temple. Interrupted flow lead to formation of one dimensional stop and go waves. These stop and go waves were studied from the trajectory data. The average speed of waves propagating over longer distance were also estimated. The quantitative output from this study can be used to calibrate and validate simulation models of such activity during mass gathering events.
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