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

Gao Pan, Mingxi Peng (), Tiejun Zhou, Zhanzhi Wan and Zheng Liang
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Gao Pan: Faculty of Architecture and Urban Planning, Chongqing University, 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
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

Sustainability, 2023, vol. 15, issue 13, 1-15

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.

Keywords: deep underground station; heart rate; ascending evacuation speed; staircase safety design strategy (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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