Abstract
The whole evacuation of building fire personnel is always a research hotspot. However, in special occasions and conditions, evacuation to the first safety zone as soon as possible is a powerful way to ensure the safety of people’s lives, that is, the study of the phased evacuation of building is also of great practical significance. In this paper, the BuildingEXODUS software was used to establish the evacuation model, which mainly analyzed the influence and law of two physical factors on the evacuation of people from the room to the corridor: personnel density, personnel distribution in the corridor. In addition, MassMotion software was used to simulate and compare some conclusions under the same evacuation scene, aiming to study and compare the similarities and differences of the influence of the same physical factors on the phased evacuation of building under different simulation mechanisms.
Highlights
When an emergency occurs in a specific building, organizing personnel to flee from the building in a short time can minimize or avoid casualties, that is, orderly evacuation is an important guarantee for public safety[1]
Li et al.[7]believed that the temporary safety area obtained from the transformation of the evacuation walkway could solve the problem of people escaping due to insufficient evacuation width of the building when meeting certain functional requirements
1) BuildingEXODUS was used to simulate the initial personnel density of the room and corridor, which has a great influence on the evacuation efficiency of rooms near the two external exits, but a small influence on the evacuation efficiency of the middle rooms
Summary
When an emergency occurs in a specific building, organizing personnel to flee from the building in a short time can minimize or avoid casualties, that is, orderly evacuation is an important guarantee for public safety[1]. If a fire breaks out in a room, evacuating the entire building can cripple the health care system, the most unfavorable situation is to cause a certain number of people panic, and patients already with mobility difficulties may be trampled or pushed by the crowded crowd, which will aggravate their condition, obviously with disastrous consequences. At this time, it is crucial for people in the room to evacuate quickly from the room to the corridor. BuildingEXODUS software was used to simulate and analyze the influence of these physical factors on the first-stage evacuation process, and MassMotion software was used to simulate and compare, in order to obtain the behavior rule of the first-stage evacuation of building personnel
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