Simulation of Pedestrian Evacuation Considering Cohesion of Social Groups on University Campus

YAO Ming; WEN Pengjing; CAO Shuchao; MIAO Jiayu; LIANG Jun; WEI Xiaoge

doi:10.13203/j.whugis20190203

Volume 46 Issue 4

Apr. 2021

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Geomatics and Information Science of Wuhan University > 2021 > 46(4): 578-585. > DOI: 10.13203/j.whugis20190203

YAO Ming, WEN Pengjing, CAO Shuchao, MIAO Jiayu, LIANG Jun, WEI Xiaoge. Simulation of Pedestrian Evacuation Considering Cohesion of Social Groups on University Campus[J]. Geomatics and Information Science of Wuhan University, 2021, 46(4): 578-585. DOI: 10.13203/j.whugis20190203

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Simulation of Pedestrian Evacuation Considering Cohesion of Social Groups on University Campus

1.
School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212000, China
2.
School of Building Environmental Engineering, Zhengzhou University of Light Industry, Zhengzhou 450000, China

Funds:

The National Natural Science Foundation of China 72001095

China Postdoctoral Science Foundation 2020M681507

Double Innovation Plan of Jiangsu Province

Project of Science and Technology Development of Henan Province 172102310670

More Information

Author Bio:
YAO Ming, PhD, associate professor, specializes in traffic safety control technology. E-mail: ymluck@ujs.edu.cn
Corresponding author:
CAO Shuchao, PhD, lecturer. E-mail: sccao@ujs.edu.cn
Received Date: May 20, 2020
Published Date: April 04, 2021

Graphical Abstract

Abstract

Abstract

Objectives Pedestrian and evacuation dynamics have attracted much attention in recent decades, specifically with respect to crowd risk analysis and pedestrian safety. In our daily life, individuals do not walk alone and they often walk with their friends or families because of the social relationship. However, the effect of group behavior observed in reality is rarely investigated in current studies.
Methods In this paper, movement data of pedestrian social groups on corridors and stairs are obtained through observation experiments on the university campus. Evacuation model for social groups is built based on Pathfinder software to study the bottlenecks in the process of egress.
Results The impact of group behavior on evacuation efficiency is investigated, and the results show that the density and speed in the bottleneck area are negatively correlated. More groups and stronger cohesion among group members will significantly extend the evacuation time. Besides, jam time increases due to the existence of social groups.
Conclusions The group behavior must be considered during the evacuation process in the future study. In the absence of other pedestrians needing help, pedestrians are encouraged to walk independently as much as possible to reduce the waiting times for others. At the same time, the negative effect of social groups on evacuation efficiency should be considered in the design of pedestrian facilities or public buildings.
- traffic engineering,
- evacuation simulation,
- Pathfinder,
- pedestrian group

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References (12)

References

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