Research on the Stairs Evacuation with Fluid Wave Theory

Abstract

With the point of view that building’s structure has different influences on evacuation, and focusing on the structural complexity of the building itself, the paper creatively divides the stairs into three basic areas from the point of architectural construction: step area, bend area, and influx area. Then, basing on the division of the stairs’ architectural construction, the paper will build a new and complete evacuation model in stairs by using the theory of fluid mechanics. The fundamentals of fluid mechanics and the ideas of fluid wave will be used to penetratingly analyze the crowd’s behaviors in the phases of evacuation in stairs, and the paper will finally put forward the sophisticated evacuation model using stairs in the way that build piecewise models. The new evacuation model using stairs not only can offer facilities for geotechnical analysis, but also can establish the theoretical basis to support studies on the more efficient evacuation strategy in high-rise buildings fire.