Research On The Development And Utilization Of Underground Space In The Old City District Of Hefei

With the development of city,large populations run into cities,the original city space cannot meet the development needs,problems increasingly prominent, including traffic,environment, ecology, municipal load, and old city centers are the focus areas where these problems arose. Therefore, how to develop and use underground space of old city center get much attention generally.With the national and local government policy support, as to Hefei city economic growth conditions, and large-scale construction of city track traffic, development and utilization of old city underground space is a pressing matter of the moment. For this reason, this article list Hefei city old center as an example, delimit the research scope, explore and research the development of underground space.On the basis of current condition of district underground space, this article analyze the existing problems and reasons; use step analysis and fuzzy comprehensive evaluation method, make grade evluations about the resource quality of underground space, According to the principle of maximum degree of membership, obtain that the quality appears general; According to the system forecasting method, calculate the demand capacity of underground space; Meanwhile, plan and lay out the underground space of this district, focus on an important area to make a research; Sum up the hierarchy model of development and utilization of underground space: As to double layer structure hierarchy model of coexistence of three main hierarchy model and sub hierarchical model, make detailed conclude and summary, put forward the concept that, when the development of underground space goes to a certain stage, the three hierarchy model would mix together, come into the comprehensive development of underground space.