| The spatial organization of urban group is a process that optimizes and disposes the space of urban group on the background of society, economy, politics and technology.The essence is aimed to the optimization of the group space. It includes two parts, the one is the arrangement forms of the space motion in the group region on the static significance, the other one is the interaction during the cities on the dynamic meaning, which is the flowing and combination of the elements.This paper starts from the concept of the space organization of dynamic meaning, using the Changzhutan "3+5" as the research object. Frist, generally analyzing the strategic background of the Changzhutan "3+5", the social and economic present situation of the urban group, the structural feature of the scale grade and the function. Next, using the concept of the network channel and node, seeing the cities as the nodes of the noetwork of the urban group, calculating the interaction force of the 48 cities from 3 levels,through the gravitational action in the spatial interaction——economical relation intensity. The result really reflects the connection of the cities of the urban group at present.This paper further dividing the grade of the channel and nodeo of the urban group on this basis, combined with the factors of the structure of the scale grade and the function, and putting forward the network-structure, which called "one point,one core and four centers; multilevel channel jointly orchestrating". At the same time, aiming at the different connection types of the nodes, proposing seven development models of cities in two kinds. The paper only proposed a new angle on the research of the spatial organization of urban group, expressing the process of space organization as the concept of the netwok, trying to put every city into the newwork to study, and exporing its suitable development models. This paper wants to make some contributions to the further exploration of the spatial organization of urban group. |
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