科研之友
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摘要
The commercial value of the subway station is the embodiment of the value of urban commercial, which is based on the changing of urban transportation mode by subway. The scientific and quantitative evaluation for the subway station is an important aspect of the subway station construction. In this paper, the evaluation system of the commercial value of the subway station was first constructed from both two aspects: commercial grade and commercial scale. After that, the Guangzhou Metro Line 8 was taken as the research object to evaluate the commercial value that was based on this evaluation system. In the ranking of commercial grade of the subway station, not only five spatial factors but also two non-spatial factors were selected in order to establish the multi- factor evaluation system. In the evaluation of commercial area factor, which is one of the spatial factors, the spatial decay function of commercial land price is innovatively constructed based on the consistent distance decay characteristics of the benchmark land price of commercial land around the city- level and district-level business circles. After that, the decay function was converted into the evaluation of the value of distance decay factors of the commercial circle. This method effectively solves the problem that caused by experts' subjective opinion. In this way, the commercial grade of the subway station on Metro Line 8 was evaluated. After finishing both the spatial factor evaluation and the non-spatial factor check, it was found that the area from the Shangxiajiu Pedestrian Street to the Cultural Park had the highest commercial grade while the second level was distributed in the middle of the Liwan District. For the commercial scale evaluation, a model was constructed using the method of the commercial building area demand balance and a population size model which is based on the service radius. This model was constructed for the purpose that it can be used to estimate the commercial building area that will be required in the future. This paper using the model, taking the Chen Clan Academy Station of Metro Line 8 as an example, to estimate the commercial building area demand of the site. On one hand, the factor evaluation method based on the land price distance attenuation and quantitative evaluation proposed in this paper completes the relevant method system. On the other hand, the digital model that was newly constructed increases the degree of rationality and scientificity of commercial value evaluation method of subway stations.
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