Research On Evacuation Path In Emergency Situations Of Subway Station

With the emphasis on operational safety has been continuously increasing,and the prevention of casualties and the enhancement of emergency disposal measures have been elevated to the focus of research on operational safety.At this stage,all urban rail transit has established various emergency response plans according to local conditions,there is limited attention to passenger behavior and unclear regulations for passenger evacuation routes in emergency situations.In this thesis,combined with the emergency situation occurring frequently in the subway station at the present stage,the train fire is selected as the evacuation research background,and the evacuation of all personnel out of the station under the condition of maximum passenger flow is simulated to carry out the route research.Firstly,this thesis analyzes the evacuation research of subway stations in emergency situations at home and abroad.Secondly,the influence factors of evacuation in the case of fire in the subway station are analyzed,including fire characteristics evacuation difficulty,building influence equipment and facilities influence management influence,rescue and evacuation influence,to demonstrate the necessity of evacuation research in the case of fire.Then,it analyzes the influencing factors of pedestrians in the evacuation process and accumulates the basic data of pedestrians in the three aspects of influencing pedestrian walking speed equipment and facilities factors,and psychological factors,which lays the foundation for the specific case analysisin the following thesis.In this thesis,Heping Road Station of Tianjin Metro Line 3 is selected for research.This station is located in the center of the city,with large passenger flow,classic station type,strong representation,and can be promoted.Investigated and analyzed the actual situation of the subway station,mastered the basic data of evacuation research,including station building structure data and passenger composition data.determine the key nodes of the evacuation organization,and design four evacuation path schemes through the selection of different key nodes.Finally,Anylogic simulation was used to simulatethe overall evacuation time of passengersin different paths and situations,and the optimal evacuation path of the station was determined.When passing through the key nodes that need to queue up,such as stairs and gates,the efficiency of individual evacuation is the highest,when choosing the shortest queue,while the efficiency of collective evacuation is reduced.Conversely,select the nearest key node to evacuate,and the collective evacuation efficiency is the best.It provides a theoretical basis for the establishment of emergency plan.