Simulation-based Safety Assessment Of Passenger Evacuation In Transfer Station

Urban rail transit carries more and more passenger flow,and it has gradually become the main force of urban residents travel.The transfer station is the key node in the urban rail transit network,and its safety status deeply impact on the safety level of the whole road network,and the security of passenger evacuation occupies an important position in the security system of the transfer station.Aiming at the safety assessment of the transfer station in the urban rail transit,this paper mainly completed the following research:(1)In this paper,we review the research status at home and abroad of the passenger evacuation transit and the safety evaluation in the urban rail,and analyze the passenger evacuation process and the factors,which influence the passenger evacuation ability,and extract the safety elements that affect evacuation,establish an index system of the passenger evacuation security in the transfer station of urban rail transit.(2)Based on simulation,a rough-fuzzy comprehensive evaluation method is proposed to evaluate the safety status of passenger flow evacuation at the transfer station.The simulation model in the assessment method contains the influence of safety elements on evacuation environments and pedestrian selection,and calculates the output of the underlying security indexes.In this paper,we use the fuzzy comprehensive evaluation method to establish the fuzzy evaluation model of the safety indexes of the emergency evacuation in the transfer station of urban rail transit,and determines the weight of the indexes in the model by the actual investigation and the rough set method.(3)We select Jianguomen station in the Beijing city rail transit,design and compare the safety assessment experiments of passenger emergency evacuation in transfer station,which are in different grooming conditions and different passenger scale.The experiment uses the simulation tool—Anylogic,setting up evacuation simulation environment,and researching the physical attributes of equipments and facilities and passenger's characteristics.The results of the experiments show that the safety evaluation indexes and the evaluation method in this paper are feasible and effective.