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Research on Safety Design Strategy of Evacuation Stairs in Deep Underground Station Based on Human Heart Rate and Ascending Evacuation Speed

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  • Gao Pan

    (Faculty of Architecture and Urban Planning, Chongqing University, Chongqing 400045, China
    Smart Evacuation and Urban Safety Research Center, Chongqing University, Chongqing 400045, China
    Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing 400045, China)

  • Mingxi Peng

    (Faculty of Smart Urban Design, Chongqing Jianzhu College, Chongqing 400072, China)

  • Tiejun Zhou

    (Faculty of Architecture and Urban Planning, Chongqing University, Chongqing 400045, China
    Smart Evacuation and Urban Safety Research Center, Chongqing University, Chongqing 400045, China
    Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing 400045, China)

  • Zhanzhi Wan

    (School of Art and Design, Chongqing Jiaotong University, Chongqing 400074, China)

  • Zheng Liang

    (Shanghai Urban Construction Design and Research Institute (Group) Co., Ltd., Shanghai 200125, China)

Abstract

An effective evacuation staircase safety design strategy is an important measure to ensure the safe evacuation of personnel in deep underground stations, and its design is influenced by human heart rate (HR) and ascending evacuation speed. This study clarifies the relationship between the ascending evacuation speed and human HR in deep underground stations by simulating an emergency situation in a deep underground station and observing individuals evacuating via stairs. A mathematical model of the ascending evacuation speed and HR at different heights is then established. Through the identification and prediction of intelligent safety systems, a safety design strategy for the rest area of evacuation stairs in deep underground stations was proposed. Rest areas of the stairs allow people in a state of fatigue to pause their ascent, preventing tired people from causing congestion and affecting the evacuation of less-tired people. This improves the overall evacuation speed and ensures the safety of life and property.

Suggested Citation

  • Gao Pan & Mingxi Peng & Tiejun Zhou & Zhanzhi Wan & Zheng Liang, 2023. "Research on Safety Design Strategy of Evacuation Stairs in Deep Underground Station Based on Human Heart Rate and Ascending Evacuation Speed," Sustainability, MDPI, vol. 15(13), pages 1-15, July.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:13:p:10670-:d:1188193
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    References listed on IDEAS

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    1. Wang, Litao & Shen, Shifei, 2019. "A decay model for the fundamental diagram of pedestrian movement," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 531(C).
    2. Zeng, Yiping & Song, Weiguo & Jin, Sha & Ye, Rui & Liu, Xiaodong, 2017. "Experimental study on walking preference during high-rise stair evacuation under different ground illuminations," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 479(C), pages 26-37.
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