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Research on the Computer Simulation of Emergency Evacuation in the Serious Accident

Author: ZhuWei
Tutor: LiuFang
School: Chongqing University
Course: Civil Engineering
Keywords: Safe evacuation Evacuation behavior Grid model Computer simulation
CLC: TU998.1
Type: Master's thesis
Year: 2009
Downloads: 405
Quote: 1
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Abstract


Research on the occupant evacuation is an important part not only for the building fire but also for the emergencies accidents, such as earthquake etc. Based on field survey on the decision process before evacuation action process for the people experience the earthquake, the result were presented in this thesis using the case observation, contingency table analysis. A fine zone grid evacuation simulation model and the application software of safe evacuation were developed, and the observation on the movement of the people in a light rail station at Chongqing was presented.Based on earthquake case surveying on the people in the two different regions who experienced“5.12”violent earthquake, a large amount of data on the decision process before evacuation action were obtained and some rules of human behaviors during earthquake were summarized. The verification action was impacted by the sex, age, and education background factors and the verification time was impacted by the age and education background, but the action-decided time was impacted by the age and sex not impacted by the education background.A fine zone grid evacuation simulation model which is more reasonable and accurate was developed in this thesis. A stair evacuation unit was added into the ZGEM (Zone Grid Evacuation Model) and the new model can be used for the highrise building evacuation simulation. In the new model the evacuees are divided into four types and a residual value was used to gather the advantages of grid model and the continuity of occupant’s movement.Application software that can simulate the time of evacuation movement was developed based on the new model. The evacuation processes of two floors at the same time could be displayed, and the change curve of person evacuation for the each unit or floor could be obtained.The software was proved that it can exactly reflect the real evacuation condition by compared the results between simulations and surveying of an overhead light rail station.

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Other municipal works and utility equipment > Fire control
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