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| Home > Publications database > Follow the evacuation signs or surrounding people during building evacuation, an experimental study |
| Journal Article | FZJ-2020-03067 |
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2020
North Holland Publ. Co.
Amsterdam
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Please use a persistent id in citations: http://hdl.handle.net/2128/25723 doi:10.1016/j.physa.2020.125156
Abstract: Evacuation signage playsa vital role in building evacuation. In order to test the efficiency of evacuation signage, the traditional methods are video analysis and after-drill questionnaires and the human factors are rarely considered. This paper investigates the impact of surrounding pedestrians on the sign guidance efficiency during building emergency evacuation, replacing the traditional ways with eye tracking device method. More than 500 participants wereinvolved in the series of experiments to testthe influence of surrounding people on detecting and following signages. It is found that a) the subjective ignorance and objective ignorance of signs exist obviously and areaffected by surrounding people number; b) strangers and acquaintances have similar effect on the sign detection probability and direction choosing probability in the safe and quick evacuation experiments, contrary to general belief; c) One surrounding personhas an important influence on the sign guidance effect, especially on the following probability, while three surrounding peoplenot. Based on the results of the experiments, a new logic of wayfinding within rooms was put forward and simulated to compared with the original logic. It is shown that the average right direction choosing percentage decreases by30% after considering the effect of surrounding pedestrians, proving that the impact of surrounding pedestrians must be considered in evacuation modeling and evacuation route design.
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