| Railway comprehensive passenger transport hub is the collecting and distributing center of urban internal and external traffic. It is an important transfer node for railway passengers. The layout, scale and configuration of transfer facilities can directly related to the efficiency of railway passenger collection and distribution. Guide with the concept of traffic integration and people oriented, based on traffic engineering theory, combined with simulation analysis method, the layout, scale and configuration of transfer facilities in railway comprehensive passenger transport hub are studied from macro-view, medium-view and micro-view. It is committed to improve the efficiency of passenger collection and distribution, and make passengers feel more convenient and comfortable to transfer in the hub.Firstly, the meaning and function of railway comprehensive passenger transport hub are analyzed, and transfer facilities are classified. The research focuses on the traffic facilities of urban rail transit station, bus station, taxi and private car parking lots. It figures out the meaning of pedestrian flow line and traffic conflict, and analyzes the transfer flow lines of railway passengers. Besides, the traffic characteristics of passengers in railway passenger station and service levels of transfer facilities are studied, to lay a foundation for simulation parameters calibration.Secondly, the station square and surrounding area of railway passenger station are selected as the research area, the principles and general layout methods of traffic facilities on station square are studied. Layout patterns of traffic facilities are analyzed, which include urban rail transit station, bus station, taxi and private car parking lots. The applicability, advantages and disadvantages of different layout patterns are compared. Combined with levels of service and space-time consumption theory, calculation methods for the scale of bus station, taxi and private car parking lots are studied. What’s more, on the basis of queuing theory, it puts forward the methods to calculate the reasonable quantity of bus stop berths and taxi service channels.Thirdly, the paper puts forward the evaluation indexes, to evaluate whether the layout and configuration of transfer facilities in the railway transport hub are reasonable or not. The meaning of every evaluation index is explained, and the calculation methods for the collection and distribution capacity of different traffic modes are discussed. Besides, pedestrian microscopic simulation is introduced to analyze the distribution efficiency of railway passengers more visually and dynamically. Social force model and AnyLogic software are selected to simulate after comparison. Specific process of pedestrian simulation is clarified and several evaluation indexes are chosen to output with the simulation.Finally, Beijing Railway Station is taken as an example. Layout of traffic facilities, transfer flow lines of passengers and traffic conflicts of different flow lines on the station square are analyzed. Furthermore, peak period of railway passenger flow is figured out with the train timetable. With the survey data of Beijing Railway Station, parameters of AnyLogic simulation are calibrated, and the distribution efficiency of railway arrival passengers is evaluated with the simulation. Aiming at the existing traffic problems of Beijing Railway Station, this paper puts forward a plan to optimize the layout and configuration of transfer facilities, uses evaluation indexes to contrast and analyze.On the basis of passenger demand, the reasonable scale of urban rail transit station, bus station, taxi and private car parking lots are calculated. And the quantities of transfer facilities are optimized with pedestrian simulation method and queuing theory. Moreover, the distribution capacity of different traffic modes is calculated, to evaluate whether the capacity can match the transfer demand of railway passengers or not. |
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