Risk Assessment for Critical Flood Height of Pedestrian Escape in Subway Station

The escape of pedestrians in the subway station is hampered by floods created heavy rain. In order to explore critical flood level a so that can safely, case study Mingxiu Road Nanning, China, was conducted using numerical simulation techniques. total, 30 groups sample with different walking speeds and numbers were randomly generated Monte Carlo method, 3D software used for simulation. simulated data put into SVM model, maximum pedestrian capacity minimum speed solved successfully conditions station. Then, 1:1 contour model constructed simulate resistance escaping at speed. friction force between ground compared calculate height, height an adult, child, elder 87.4 cm,75.5 cm, 83.0 respectively.