Optimization of Evacuation Efficiency of Deeply Buried Subway Stations with Elevator Assistance
DOI:
https://doi.org/10.17815/CD.2024.169Keywords:
Deeply Buried Subway Station, Elevator, Travel Efficiency, OptimisationAbstract
Due to a variety of intricate topographic structures, many subway stations are constructed deeply. Traditional stairs and escalators in deeply buried subway stations can hardly meet passengers' demand for highly efficient travel. Buried depth of the subway station, passenger flow intensity, percentage of passengers choosing elevator, and elevator characteristics such as rated capacity and rated operating speed of the elevator are factors affecting the evacuation time of passengers. In order to study the impact of these factors on the evacuation efficiency under the daily commute of passengers, deeply buried subway evacuation model with an elevator exit was established by AnyLogic. Three kinds of simulation scenarios were analyzed. The results shows that average evacuation time is positively correlated with the buried depth of subway when the elevator is not set. When the passenger flow intensity is large, the higher the percentage of passengers choosing elevator, the longer average evacuation time of passengers. Compared to the simulation scenario with a rated capacity of 15 passengers and a rated operating speed of 1 m/s, average evacuation time can be reduced by up to 81.9% when the rated capacity and rated operating speed of the elevator are 40 passengers and 11 m/s respectively. The research can guide the subway planner reference on evacuation planning for the deeply buried subway station.
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Copyright (c) 2024 Shanshan He, Dandan Song, Juan Chen, Qiao Wang, Jian Ma
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