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Elevator-assisted evacuation efficiency of deeply buried subway station under influence of multiple factors
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Shanshan HE1, Qiao WANG1, Juan CHEN2, Yong YOU3, Jinwei WANG4, Jian MA1, **
China Safety Science Journal | 2025, 35(3) : 194 - 203
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China Safety Science Journal | 2025, 35(3): 194-203
Public safety
Elevator-assisted evacuation efficiency of deeply buried subway station under influence of multiple factors
Full
Shanshan HE1, Qiao WANG1, Juan CHEN2, Yong YOU3, Jinwei WANG4, Jian MA1, **
Affiliations
  • 1 School of Transportation and Logistics,Southwest Jiaotong University,Chengdu Sichuan 610031,China
  • 2 Faculty of Geosciences and Engineering,Southwest Jiaotong University,Chengdu Sichuan 610031,China
  • 3 China Railway Siyuan Survey and Design Group Co.,Ltd.,Wuhan Hubei 430063,China
  • 4 Chongqing Construction Technology Development Center,Chongqing 401122,China
Published: 2025-03-28 doi: 10.16265/j.cnki.issn1003-3033.2025.03.0009
Outline
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To enhance the evacuation efficiency of deeply buried subway stations,a standard subway station was selected to establish an elevator-assisted evacuation model for deeply buried subway stations. The average evacuation time of passengers was selected as the primary evaluation metric. Variation characteristics in evacuation efficiency were calculated and analyzed under the combined influence of various factors,including buried depth of the subway,passenger flow intensity,the proportion of passengers opting for elevator evacuation,elevator operating parameters,the number of elevators,and acceptable queue size through simulation. The results indicate that the advantages of elevator-assisted evacuation are more pronounced when the subway depth exceeds 30 m. When passengers maintain their original evacuation paths,the evacuation time is inversely related to the proportion of passengers choosing to use the elevator during off-peak periods,but positively related during peak hours. Furthermore,when passengers alter their evacuation paths due to queue size,evacuation efficiency improves under different buried depth scenarios. In a subway with a burial depth of 90 m and an acceptable queue size of 30,the overall evacuation efficiency reaches its peak. When planning subway exits,reasonably increasing the number of elevators and their rated load,as well as operating speed,can effectively balance evacuation efficiency with cost control.

influence of multiple factors  /  deeply buried subway station  /  elevator-assisted evacuation  /  evacuation efficiency  /  simulation
Shanshan HE, Qiao WANG, Juan CHEN, Yong YOU, Jinwei WANG, Jian MA. Elevator-assisted evacuation efficiency of deeply buried subway station under influence of multiple factors[J]. China Safety Science Journal, 2025 , 35 (3) : 194 -203 . DOI: 10.16265/j.cnki.issn1003-3033.2025.03.0009
Year 2025 volume 35 Issue 3
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Article Info
doi: 10.16265/j.cnki.issn1003-3033.2025.03.0009
  • Receive Date:2024-10-24
  • Online Date:2025-07-05
  • Published:2025-03-28
Article Data
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History
  • Received:2024-10-24
  • Revised:2024-12-26
Funding
Affiliations
    1 School of Transportation and Logistics,Southwest Jiaotong University,Chengdu Sichuan 610031,China
    2 Faculty of Geosciences and Engineering,Southwest Jiaotong University,Chengdu Sichuan 610031,China
    3 China Railway Siyuan Survey and Design Group Co.,Ltd.,Wuhan Hubei 430063,China
    4 Chongqing Construction Technology Development Center,Chongqing 401122,China
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表12种不同金属材料的力学参数

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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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