The Research Of Seismic Evacuation Based On Pedestrian Behavior And Cellular Automaton

With the development of China’s education, especially the popularization of the Township Education, which led to a growing number of students and teaching facilities, but it also brings a lot of security risks. Since the primary and secondary school teaching building have unfavorable factors such as a large number of people, or age of people are younger, the emergency evacuation of the school building caused widespread concern in the community. Because the seismic performance of school buildings in general, when the earthquake comes, it is easy to be damaged or even collapsed, resulting in casualties.At present, the problem of pedestrian evacuation in the earthquake is mainly through personnel exercises and simulation exercises of the two methods. But the way, the manpower and material resources are too large and can not be very good to restore the psychological factors and the surrounding environment of the emergency evacuation. Therefore, through computer simulation method of earthquake disaster of primary and middle school teaching building of pedestrian evacuation research has very important significance.In this paper, based on the earthquake disaster and teaching building of pedestrian evacuation research status and the characteristics of the problem as the breakthrough point, the behavior and psychological characteristics of pedestrians were analyzed, and summarized and summed up the destruction of parts of the common forms of teaching building. Based on cellular automaton, build seismic disaster evacuation model on the whole teaching building as well as the regional teaching building, and the corresponding simulation analysis is carried out.(1) From behavioral and psychological two aspects to analyze the characteristics of the teaching building of the pedestrian evacuation under earthquake. Summarized the common form of the failure of the teaching building.(2) Combining the cellular automaton theory with the static field theory, a new export selection model for multi export environment is proposed. The model considers the relative position of each exit, the pedestrian density near the exit and the size effect of the outlet, which makes the simulation process and results more close to the actual situation.(3) An evacuation simulation method is proposed for the destruction of buildings. According to the concept of static field proposed dangerous field and the relevant assignment method, combined with the evolution of rules based on cellular automaton, and determine the related parameters. Simulation of pedestrian’s circumvention of hazard sources is realized.(4) According to the characteristics of the corridor and stairs, the corresponding calculation method and evolution rules are designed. Based on the simulation, the algorithm parameters of earthquake disaster are determined preliminary.(5) The proposed method is based on the whole teaching building simulation and test simulation results in this paper.