Abstract
Researching personnel evacuation is crucial for preventing and reducing emergencies. In this study, the movement and retention laws relating to personnel in building bottlenecks are derived from research on safe evacuation from building bottlenecks and personnel evacuation tests. Accordingly, a fan-grid partitioning method is proposed for building bottlenecks. Because the personnel distribution in the area is fan-shaped, a dynamic grid-division method is proposed and applied to the safe evacuation simulation model. Additionally, a dislocation arrangement is utilized for the front and rear grids, and the experimental analysis reveals that the time step in the safety evacuation simulation. Moreover, a grid partition model is proposed, and the evacuation parameters of the evacuation area bottleneck are characterized via the human flow rate sequence. The Visual Basic language can be utilized in the safe evacuation simulation algorithm for building bottleneck, which has great significance in guiding research on the safe evacuation of personnel during fire hazards.
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