考慮恐慌影響的地鐵站臺應(yīng)急疏散模型研究
[Abstract]:With the rapid development of China's economy, a new upsurge of urban rail transit construction has emerged all over the country. As an outstanding representative of a new type of transportation vehicle with large capacity, reliability, safety, energy saving and environmental protection, urban rail transit has become the main way to relieve traffic pressure, and has provided convenience for citizens to travel. With the increase of urban rail transit passenger flow, it is faced with more and more heavy task of collecting and distributing people. How to guide personnel safety, orderly and efficient evacuation has become the focus of attention of all walks of life. In the process of evacuation organization, scientific and reasonable evacuation methods need to be studied urgently. The study of evacuation methods based on actual evacuation behavior should be taken as the basic link in evacuation organization. The behavior of passengers evacuation is affected by their own physical and psychological factors, but also by the external environment. How to accurately describe the psychological and behavioral changes in the evacuation process will directly affect the accuracy of evacuation results. Based on the domestic and foreign research results, this paper constructs a psychological stress model considering many factors, such as visibility, and improves the existing social force model to study the movement of people in the fire situation. The main research contents of this paper are as follows: (1) build the model of psychological stress. Through the analysis of the factors that affect the intensity of psychological pressure in the case of fire, the modeling of all kinds of factors is carried out, and the comprehensive consideration of various factors is established. The psychological panic model with the characteristics of panic propagation. (2) the existing social force model is improved and verified by simulation. The social force model is improved by using the psychological stress model of personnel, and a new social force model considering the psychological stress of personnel is obtained. The feasibility and practicability of the improved social force model are analyzed. (3) the evacuation model is established. Modeling the evacuation process, establishing the evacuation perception model, decision-making, behavior model, to provide a code of conduct for the evacuation. (4) Simulation evacuation scenario case study. The evacuation efficiency of different evacuation scenarios is obtained by using the programming software to simulate the actual platform evacuation, and a reasonable evacuation strategy is given.
【學(xué)位授予單位】:北京交通大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:U231.96;U298
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