Experimental study of movement characteristics for different walking postures in a narrow channel

Tao Li, Dongdong Shi, Juan Chen, Huiwen Li and Jian Ma

Physica A: Statistical Mechanics and its Applications, 2022, vol. 608, issue P2

Abstract: In the event of a fire, the smoke produced by the fire will not only affect the visibility of pedestrians but also change the pedestrians’ walking posture. The pedestrians’ motion characteristics of stoop walking have not been systematically studied in pedestrian evacuation dynamics. Therefore, a series of single-file movement experiments under controlled laboratory conditions were performed by a transparent protective net which is used to limit the pedestrians’ height to change the walking posture. The probability density distribution of density and speed, the fundamental diagram, headway-speed relation and the lateral sway will be analyzed. The maximum flow rate of pedestrians in stoop walking is 26% lower than that of normal walking in speed-flow relation. Three states (free regime, weakly constrained regime, and strongly constrained regime) can be observed in the relationship between headway and speed, the free speed of pedestrians follows a Gaussian distribution. In addition to discussion of the longitudinal motion characteristics, lateral movement characteristics of the pedestrian will further be analyzed. The study found that the average lateral sway of normal walking is greater than that of stoop walking. The results of this study provide valuable information for the effects of different walking postures and help to develop precise models about different walking postures, which can finally contribute to the design of related pedestrian facilities.

Keywords: Stoop walking; Single-file experiment; Pedestrian dynamics (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:608:y:2022:i:p2:s0378437122008779

DOI: 10.1016/j.physa.2022.128319

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