The influence of physical and mental constraints to a stream of people through a bottleneck
Keywords:human behaviour, egress, pedestrians with disabilities, evacuation, engineering data
AbstractUnderstanding movement in heterogeneous groups is important for a meaningful evaluation of evacuation prediction and for a proper design of buildings. The understanding of interactions and influencing factors in heterogeneous groups on key performance figures is fundamental for a safe design. This contribution presents results of experimental studies on movement of a crowd through a bottleneck involving participants with and without disabilities. High precise trajectories of the attendees extracted from video recordings were used to calculate density and velocity of the participants. Besides the well-established fundamental diagram new insights into the individual relation between density and velocity are discussed. A complex structure and considerate behaviour in movement implicates a strong influence of the heterogeneity on key performance values of safe movement.
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Copyright (c) 2020 Paul Geoerg, Jette Schumann, Maik Boltes, Stefan Holl, Anja Hofmann
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