摘要
Urban subways have developed rapidly in recent years and has gradually become the primary choice of public transportation in big cities.Subways can effectively alleviate urban traffic congestion and improve passengers’green travel experience,especially in the old urban areas where urban space is limited,community facilities are aging and historical features are gathered.Subways play a huge role in guiding the expansion of urban space form and improving urban landscape environment.As the only channel for passengers to get in and out of the station,the subway entrance and exit act as a bridge.It is not only the transition space between the subway station space and the urban above ground space,but also an important node for the exchange and circulation of various elements in the urban space.In this paper,the influencing factors of subway entrance and exit space environments in the old city were investigated,and relevant basis for future planning,design,and construction of subway entrances and exits were provided.Firstly,the research results and shortcomings of subway entrance and exit channels were outlined.Secondly,based on the perspective of residents and passengers,this paper uses the analytic hierarchy process to determine six first-class evaluation indexes,including safety,convenience,practicability and aesthetics.This paper constructs the evaluation system of spatial environment index of subway station entrances and exits in the old urban area of Xi’an.Lastly,according to the evaluation results,the paper puts forward the targeted optimization strategies for the current situation of the entrance and exit space environment of the subway stations in the Xi’an.
