Abstract
The statistics of sports arena accidents show that the main reasons which leading to crowd stampede are the exports blockage and the poor surrounding transportations. In the process of evacuation, the most common problem is that there are a large number of people are stranded and also they are the main carrier which leading to crowded stampede. With large amounts of data and reasonable evaluations on staffs and transportation instruments. We propose inflow model in the crowding state, principle of maximum flow on channel design, optimal model of vehicle parking, evacuation model of subways and buses, according to sections of evacuation in stadiums. We analyze their usage area, marginal conditions and real data. Finally, we get some valuable results, which are curves of density and flow, evacuation time, formula for channel design, optimal parking design and formulas for evacuation time of subways and buses. Such data suits the real data from varied references. With the help of models and results, we get the total time of evacuation, simulation of progress and give parts of real situations of evacuation. According to such results, 100000 people's evacuation can be finished in about 45 min. On such basis, we propose some optimal plans for stadium and its surroundings building.
Highlights
The public places where have intensive persons are very dangerous, it could cause significant accidents with mass casualties
The space grid evacuation model SGM which developed by Wuhan University and City University of Hong Kong in China and the mathematical model of evacuation and escape speed
Compared the above models of crowd evacuation speed; it could take countermeasures to improve the design of Fire, which has a guiding significance for the study of crowd evacuation
Summary
The public places where have intensive persons are very dangerous, it could cause significant accidents with mass casualties . In 2001, the incident "911", which occurred in the high-rise building where people crowed, leading to 25,000 persons were evacuated emergency, 2000 persons dead and 6347 persons missing. Study the safety evacuation of large public places has a great practical significance and social security value and in this process, the speed of evacuation is the most critical factor. This study takes Chinese National Stadium as an example It locates in suburbs of Beijing, contains 100 thousand people and has enough high-speed roads. The innovation of this study is that, according to the characteristics of the development of Beijing, analyze the possible factors that influence the crowd evacuation, which would play an important instruction role on the construction and planning of the sport places surroundings
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