Passenger Flow Simulation And Optimization Measures Under Emergency Evacuation Of Xi'an Metro North Street Station

With the rapid development of Xi ' An's economy,the population scale of Xi ' an city is expanding,the daily travel volume of citizens is increasing,and the people's living standard is increasing,the festivals and the city's large-scale sports activities are more and more.With convenient,comfortable and fast features,the construction of Xi ' an subway has become the first choice for urban residents to travel in Xian.The continuous increase of daily travel volume and large-scale passenger flow caused by large-scale activities make the XI ' an subway will be impacted by large passenger flow irregularly,and bring great pressure to Operation organization work.Relatively closed,pedestrian-intensive and large mobility,so that the flow of people in the transfer process,especially the subway transfer station as a large number of pedestrian distribution sites are very susceptible to subway facilities and density of different effects,reduce the entire transfer process of comfort and speed.Based on the observation and analysis of the internal facilities and pedestrian characteristics of the subway transfer station in XI ' an,the paper considers the influence of the density and space environment on the evacuation of the subway transfer station,and visually and vividly shows the evacuation process through the CAD drawing and Vissim simulation.Especially in the case of emergency evacuationFirstly,this paper makes a comprehensive analysis on the type of Metro Transfer station and the characteristics of the station,the flat channel and the upper and lower ladder in the transfer station,and introduces in detail the characteristics of the passenger flow in the transfer station,which provide theoretical basis for the subsequent simulation.Secondly,the method and simulation technology of passenger flow organization in the city rail transit station are summarized.it focuses on domestic international time standard requirements for home and abroad evacuation,and compared with the characteristics of the two methods,provide technical solutions for the following simulation.Finally,take the North Street Station of Xi'an metro transfer station as an example,Analysis station facilities and passenger flow characteristics,and then to the peak hours,simulation of the passenger flow in the subway station to evaluate the results of simulation,and find the bottleneck of passenger evacuation to improve.