考虑群组行为的楼梯瓶颈处行人流模拟

doi:10.16265/j.cnki.issn1003-3033.2022.02.005

中国安全科学学报 ›› 2022, Vol. 32 ›› Issue (2): 28-33.doi: 10.16265/j.cnki.issn1003-3033.2022.02.005

• 安全社会科学与安全管理 • 上一篇下一篇

考虑群组行为的楼梯瓶颈处行人流模拟

曹淑超¹^,²(), 席鑫¹, 倪璟煜¹, 姚明¹

¹ 江苏大学汽车与交通工程学院,江苏镇江 212013
² 中国科学技术大学火灾科学国家重点实验室,安徽合肥 230027

收稿日期:2021-11-23 修回日期:2022-01-10 出版日期:2022-08-18 发布日期:2022-08-28
作者简介:
曹淑超 (1989—),男,山东莱芜人,博士,副教授,主要从事火灾等突发事件下人员安全疏散与行人交通动力学方面的研究。E-mail: sccao@ujs.edu.cn。
姚明副教授
基金资助:
国家自然科学基金资助(72001095); 中国博士后科学基金资助(2020M681507); 火灾科学国家重点实验室开放课题(HZ2021-KF03)

Simulation of pedestrian flow at bottleneck of stairs considering group behavior

CAO Shuchao¹^,²(), XI Xin¹, NI Jingyu¹, YAO Ming¹

¹ School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang Jiangsu 212013, China
² State Key Laboratory of Fire Science, University of Science and Technology of China, Heifei Anhui 230027, China

Received:2021-11-23 Revised:2022-01-10 Online:2022-08-18 Published:2022-08-28

摘要/Abstract

摘要：

为探究楼梯瓶颈处群组行为对行人流通行效率的影响,基于校园内的观测试验获取群组运动参数,采用Anylogic仿真平台建立考虑群组行为特征的楼梯瓶颈处人员运动模型,根据不同的群组运动参数、楼梯几何参数和障碍物布置方式对行人流通行时间与密度分布的影响开展数值模拟。结果表明:较大的群组比例和群组规模均会延长行人流通行时间,增加通行过程中的拥堵持续时间;在链状构型下,群组通行效率较高,而并排构型对人员通行造成的负面影响最大;在有群组和无群组情况下,楼梯位置变化会产生相反的通行效果;平行放置障碍物可以有效降低人群密度,提高群组行人流的通行效率。

关键词: 群组行为, 楼梯瓶颈, 行人流, 运动构型, 通行时间, 楼梯长度

Abstract:

In order to investigate impacts of group behavior on pedestrian flow efficiency at the bottleneck of stairs, a movement model considering group behavior was established by using Anylogic platform based on movement data of field observation experiments in campus. Then, numerical simulation was conducted to study influence of the group's movement parameters, the stairs' geometric parameters and layout of barriers on passing time and density distribution of pedestrian flow. The results show that a large proportion of groups and group size prolong the passage time and increase duration of congestion. Chain configuration features the greatest traffic efficiency while side by side configuration has the most negative impact on passage process. Moreover, opposite impacts on passing efficiency are exerted when stair position changes for the cases with or without groups. Parallel placement of barriers can effectively reduce crowd density and improve passing efficiency of groups.

Key words: group behavior, stair bottleneck, pedestrian flow, movement configuration, passing time, stair length

曹淑超, 席鑫, 倪璟煜, 姚明. 考虑群组行为的楼梯瓶颈处行人流模拟[J]. 中国安全科学学报, 2022, 32(2): 28-33.

CAO Shuchao, XI Xin, NI Jingyu, YAO Ming. Simulation of pedestrian flow at bottleneck of stairs considering group behavior[J]. China Safety Science Journal, 2022, 32(2): 28-33.

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场景	单个个体	2人群组	3人群组
上楼梯	0.83±0.21	0.75±0.14	0.73±0.12
下楼梯	0.91±0.19	0.80±0.15	0.75±0.08
通道	1.44±0.19	1.27±0.18	1.21±0.18

障碍物形式	群组人数
障碍物形式	50	100	200	300
无障碍物	157.4	246.7	419.8	598.7
障碍斜置	156.3	243.7	416.8	594.5
平行放置	152.8	238.0	412.6	586.0

考虑群组行为的楼梯瓶颈处行人流模拟

Simulation of pedestrian flow at bottleneck of stairs considering group behavior

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