Reliability Analysis of Relevant Radom Variables in Pedestrian Evacuation Study in Underground Transportation Hub

Abstract:

In this study reliability theory was applied in evacuation time of pedestrians in the subway, especially taking the correlation of pedestrian speed and pedestrian flow coefficient into account. Firstly, the traditional evacuation time design formula was regarded as research model. Statistical distribution of pedestrian speed and pedestrian flow coefficient in the model was analyzed .Thus the reliability limit state equation was built. Then the evacuation time’s reliability probability was obtained according to the checking point method of generalized random space. At last the process of how different factors influence the reliability was analyzed. Results show that we should consider the correlation between pedestrian speed and export flow rate when correlation is big (absolute value is greater than 0.5, for example).Our conclusions will contribute to related research and the formulation of actual planning.

• Periodical: Advanced Materials Research (Volume 1020)
• Pages: 741-746
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1020.741
• Online since: October 2014
• Authors: Dong Fu Zhao*, Xiao Lin Zhang, Yu Su
• Keywords: Correlation, Personnel Evacuating, Reliability, Transport Hub

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