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Research on pedestrian flow characteristic model and instability based on controlled experiment
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Tao ZHENG1, 2, Jibiao ZHOU3, 4, Xinhua MAO1, 2, **, Sheng DONG5, Zhenya ZHANG5
China Safety Science Journal | 2025, 35(1) : 146 - 153
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China Safety Science Journal | 2025, 35(1): 146-153
• Safety engineering technology •
Research on pedestrian flow characteristic model and instability based on controlled experiment
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Tao ZHENG1, 2, Jibiao ZHOU3, 4, Xinhua MAO1, 2, **, Sheng DONG5, Zhenya ZHANG5
Affiliations
  • 1 School of Transportation Engineering, Chang'an University, Xi'an Shaanxi 710064, China
  • 2 Engineering Research Center of Highway Infrastructure Digitalization, Chang'an University, Xi'an Shaanxi 710064, China
  • 3 School of Transportation Engineering, Tongji University, Shanghai 201804, China
  • 4 Ningbo High Grade Highway Construction Management, Ningbo Zhejiang 315199, China
  • 5 School of Civil and Transportation Engineering, Ningbo University of Technology, Ningbo Zhejiang 315211, China
Published: 2025-01-28 doi: 10.16265/j.cnki.issn1003-3033.2025.01.0895
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In order to investigate the threshold conditions for pedestrian destabilization, controlled experiments were conducted in three different scenarios, including "two-person collision experiment", "multiple-person collision experiment" and "high-density multiple-person collision experiment". A pedestrian flow model was constructed, considering collision pressure, speed, density and volume. Additionally, experimental videos and collision pressure data were collected by using an unmanned aerial vehicle(UAV)and pressure sensing equipment, respectively. The changing rules of pedestrian trajectory, pedestrian flow characteristics, and collision pressure were obtained by data analysis. On this basis, the segmented Hermite triple interpolation was used to investigate the influence of speed and density on collision pressure. Finally, based on the Van Aerde model, a four-dimensional model of "pressure-speed-density-volume" was constructed by introducing the parameters of collision pressure to judge the threshold conditions of pedestrian flow instability. The results show that pedestrian flow begins at 2.46 persons/m2 and reaches complete instability at 3.59 persons/m2. During the instability process, the pedestrian may be subjected to the collision pressure ranging from 187.32 N to 258.11 N. The results provide references for the control of the pedestrian flow and the improvement of pedestrian traffic safety.

pedestrian traffic safety  /  controlled experiments  /  pedestrian flow instability  /  pedestrian flow characteristics  /  collision pressure
Tao ZHENG, Jibiao ZHOU, Xinhua MAO, Sheng DONG, Zhenya ZHANG. Research on pedestrian flow characteristic model and instability based on controlled experiment[J]. China Safety Science Journal, 2025 , 35 (1) : 146 -153 . DOI: 10.16265/j.cnki.issn1003-3033.2025.01.0895
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Year 2025 volume 35 Issue 1
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2025.01.0895
  • Receive Date：2024-08-10
  • Online Date：2025-07-05
  • Published：2025-01-28
Article Data
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History
  • Received：2024-08-10
  • Revised：2024-10-11
Funding
Affiliations
    1 School of Transportation Engineering, Chang'an University, Xi'an Shaanxi 710064, China
    2 Engineering Research Center of Highway Infrastructure Digitalization, Chang'an University, Xi'an Shaanxi 710064, China
    3 School of Transportation Engineering, Tongji University, Shanghai 201804, China
    4 Ningbo High Grade Highway Construction Management, Ningbo Zhejiang 315199, China
    5 School of Civil and Transportation Engineering, Ningbo University of Technology, Ningbo Zhejiang 315211, China
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