Analysis of the Evacuation Capacity of Parallel Double Running Stairs in Different Merging Form Based on Simulation

Xia-zhong Zheng, Xue-ling Xie, Dan Tian, Jian-Lan Zhou and Ming Zhang

Discrete Dynamics in Nature and Society, 2018, vol. 2018, 1-14

Abstract:

In order to analyze the evacuation capacity of parallel double running stairs, a dozen stairs merging forms are set by investigation and statistics, and the improved agent-based evacuation model that considers the merging behavior is used to simulate the process of merging and evacuation in the stairs. The stairs evacuation capacity is related to the evacuation time and the robustness of stairs, and the evacuation time can be calculated by using the improved agent-based model based on computer simulation. The robustness of each merging form can be obtained according to the fluctuation degree of evacuation time under the different pedestrian flow. The evaluation model of stairs evacuation capacity is established by fusing the evacuation time and the robustness of stairs. Combined with the specific example to calculate the evacuation capacity of each stairs form, it is found that every merging form has different evacuation time and different robustness, and the evacuation time has not positive correlation with the robustness for the same form stairs. Meanwhile, the evacuation capacity of stairs is not related to the number of the floor entrances. Finally, the results show that the evacuation capacity of stairs is optimal when the floor entrances are close to out stairs in parallel double running stairs and suitable to the case where pedestrian flow and the change of pedestrian flow are large.

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:3541420

DOI: 10.1155/2018/3541420

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