Analysis of pedestrians instability during the evacuation of underground flooded spaces: the experimental and numerical approach proposed by Favour project
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hdl:2117/413744
Document typeConference report
Defense date2024
PublisherEdiBios
Rights accessRestricted access - publisher's policy
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Abstract
Due to the recent dramatic flooding events in metro stations worldwide, an appropriate response of such infrastructures is essential to ensure the safety of their users. In this paper, an analysis of the hydraulic conditions presented in one flood-prone access stairs of the Pararl·lel metro station in the city of Barcelona was conducted. An experimental campaign using a prototype of the stairs was complemented with the CFD software FLOW-3D. The most common hydraulic parameters accepted in the literature (water velocity "V" and depth "H") for the characterization of flood hazard for human subjects were obtained throughout the stairs’ domain under the maximum possible discharge developed in the facility to assess flood-related hazard conditions according to the Momentum of Flow (MF) and Specific Force Per Unit Width (SFPUW) (M0) criteria. An upward trend in the hydraulic parameters was observed as the water flow descended the stairs. Consequently, the lower part of the stairs is the most hazardous zone according to the adopted criteria. On the basis of these first results, experimental campaigns have been planned to analyze the stability of human subjects during metro evacuation and the adequacy of the adopted criteria.
CitationAparicio, C. [et al.]. Analysis of pedestrians instability during the evacuation of underground flooded spaces: the experimental and numerical approach proposed by Favour project. A: Italian Conference on Integrated River Management. "Technologies for Integrated River Basin Management: ICIRBM 2024: Proceedings of the 45th Italian Conference on Integrated River Basin Management". Cosenza: EdiBios, 2024, p. 78-87. ISBN 978-88-97181-90-3.
ISBN978-88-97181-90-3
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