| Metropolitan circle is the result of industrialization and urbanization,which is the embodiment of centralization and radialization when the metropolis is developing to a certainty,in order to advance the space and economy to conform,to form a corporate area,fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry This paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data ,and theory model,and discusses the all-around regional development in Chengdu area from a new angle,ie:using space structure model of metropolitan circle to develop the overall enhancement of strength in Chengdu First,the thesis defmitudes the concept,connotation,and character of metropolitan circle,after that,it discusses the formative mechanism of metropolitan circle from the factors such as market,institution and ect Moreover,from the practice of metropolitan circle's development in home and abroad,it summarizes the significance of the metropolitan circle form for the economic and social development,as well as the experience for reference and the problems we should pay attention to = Based on these theories and practice,it brings forward the necessity and strategic significance of building metropolitan circle in Chengdu,and analysis its possibilities,it also makes a research on the model of this circle,it innovatively brings forth that the double-polar circle structure of central city-sub central city -satellite town should be builded,through the establishment of index system,the sphere of metropolis circle in chengdu can be set which means the central city,sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area ,and discusses the function orientation of center city and satellite town at last,it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in Chengdu... |
