The Method Research Of Urban Growth Planning Layout Of Middle And Small Cities In The Northwest China

The author elaborates the backgrounds of the research and indexes many problems in the fields of city planning and construction nowadays. In accordance with these problems, the author presents the dissertation title and explains it detailedly. To do this the author tries to probe a new type of planning method—Urban Growth Planning, which suit for the conditions and development probabilities of middle and small cities in the northwest China.The method should be exercisable, dynamic and ecological, and also should be helpful to the healthy and balanced growth of these cities. After that, the author retrospects the development courses of the planning theories related with urban growth, setting up the goal and frame of the dissertation.In the dissertation the author studies the basic situations of northwest region from aspects of nature, economy and society. After comparing with average standards of the country, the author points out that middle and small cities will play the most important roles in the urban systems of Shaanxi, Gansu and Ningxia in the future. Urban planning will be the key factors in the healthy, harmonious and reasonable development of these cities, which will be confronted with rapid evolution impendly; Also the author elaborates the basic theories related with urban growth planning, which contain construction theory, form theory, ecology theory and dynamic theory. On the base of these analyses, the author elicits the concept—"Growth Planning Layout". The author considers that the concept should be materialized in the urban form finally, and the form should be the reflection of urban construction. Moreover the form should reflect the growth and developing process of the construction and the form themselves. And most important, in the course of the urban growth the ecology should play an active role.After the studies and the analyses about the basic situation of middle and small cities in the northwest region, the author draws his conclusion: on one side, the construction lever ofthese cities are lower than the country average level, and their economy grow slowly, which also lower than the country average level; on the other side, some developed regions such as Pearl-River-Delta just made their progresses in recent years. Thanks to the slow development, there are many forests and farms in the outskirts of the northwest cities, and the ecosystem of these cities have not been destroyed yet. All of these will be the favorable presuppositions for the cities' growth and their sustainable development.On the base of more than forty cities' master planning practices and instancing several master plans in the northwest region and in Pearl-River-Delta that masterminded by the author in recent years, the author lucubrates urban planning layout from six sides. These sides include: self-organization of urban layout and plan intervention, the construction growth of urban planning layout, the form variation of urban planning layout, the dynamic growth of urban planning layout, the ecological guidance in the process of urban planning layout growth and the investigation to the implementary effection of the urban plan.The author summarizes the methods of urban growth planning layout of middle cities and small cities in the northwest region from eight sides after revealing the problems, retrospecting the theories, posing the conception and analyzing the practice. These sides are: regional location, urban quality, urban scale, analysis of urban developmental land, compositive valuation of urban development, construction and form of the whole city, construction element and phasein planning layout.