西寧市公共交通可達性研究
[Abstract]:Urban public transport is an important carrier of urban development and evolution. Under the background of accelerating the process of urbanization, increasing economic activities, rapid population growth and expanding urban scale, the rational planning and spatial layout of urban public transport are studied, both in theory and in practice. Both are of great significance to the healthy development of the city. Accessibility, as an evaluation method of urban public transportation, plays an important role in indicating the layout of urban public transport network and the construction of urban public transportation system. The research on the accessibility of urban public transportation can promote the optimization of traffic network pattern and enhance the travel demand of residents, which is of great practical significance. Based on GIS technology, this paper takes the first and last station of Xining bus line as the research object, adopts the methods of geography mathematics model, mathematical statistics and graph analysis, and analyzes the spatial distribution characteristics of the bus network. This paper discusses the accessibility of Xining city public transportation in the first and last part of the paper. First of all, taking 65 public transit lines in Xining as the research unit, the spatial distribution of Xining public transport network is analyzed from the space elements of the public transport lines, and the length of the lines, the coverage of stations, and the non-linear coefficients are analyzed by using SPSS and ARCGIS software. The data and spatial statistics of station average station distance and line network density are carried out. It is pointed out that the station coverage rate of Xining City is uneven in spatial distribution, mainly concentrated in the central and western districts of Xining City, and the average station distance is small. Most of the mileage and the non-linear coefficients of the lines are beyond the suitable range. The density of the eastern and northern parts of the line network is quite different from the average level, and the distribution of the spatial elements of the overall public transport is still a little different for the realization of the ideal traffic network. Secondly, the spatial analysis function and normalized processing method of ARCGIS software are used to analyze the space, time, cost and comprehensive accessibility of the bus line based on the first and last station of the bus line, respectively. It is pointed out that the distribution of reachability decreases symmetrically from the center of the belt to the surrounding area with a higher degree of concentration and a lower degree of uniformity. The spatial reachability and temporal reachability are similar to each other, and the overall distribution of cost accessibility is consistent with other reachability, but the regional superior value and regional inferior value will appear due to the different conditions of the public transport station. The comprehensive reachability is obtained by the linear addition of space, time and cost. The urban area is the best, followed by the west district. Finally, according to the calculation results, this paper discusses the problems existing in Xining public transportation at the present stage, and puts forward some specific countermeasures: perfecting the construction of hub stations, increasing the lines in new urban areas, promoting the optimization speed of line network, and improving the level of scientific management.
【學位授予單位】:青海師范大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:U491.17
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