Abstract
The occupants shall evacuate the building through stairs, in case of fire of high-rise building. A number of evacuees may cause the congestion on stairs. This paper focuses on the characteristics of the non-merging evacuation flow, which is the flow consisting only of evacuees descending on the staircase without merging there under flow conditions on the upper floor, which are generated by the merging of persons going down the staircase and entering there. This study used the data obtained in the observational survey on the real evacuation drills repeated annually for three years in the high-rise building. The flow conditions were classified into three groups based on the congestion and the merging of evacuations in the staircase. As a result of this study, the characteristics of the non-merging evacuation flow in each of the three groups were elucidated.
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Fujii, K., Mizuno, M., Kadokura, H., Sano, T., Sekizawa, A. (2020). Influence of Congestion in Upper Floor on Pedestrian Flow in Staircase Based on Observational Survey of Evacuation Drill in a High-Rise Building. In: Wu, GY., Tsai, KC., Chow, W.K. (eds) The Proceedings of 11th Asia-Oceania Symposium on Fire Science and Technology. AOSFST 2018. Springer, Singapore. https://doi.org/10.1007/978-981-32-9139-3_21
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DOI: https://doi.org/10.1007/978-981-32-9139-3_21
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