Study On The Urban Using Land Expansion In Period Of High-Speed Urbanization--A Case Of Nanjing

The expansion of urban using land scale is the result and requirement of the urbanization and the urban modernization. Now the urban using land scale which effected by multitudinous factor has the trend of increasing with the amount and speed. Then, how much the scale should reach that can both satisfy the economy and not waste the finite land resources .The first is to estimate the rationality of the land scale and expansion. Different city has different scale in different development stage, so, the urban using land scale is a concrete problem. Based on the theory study, this paper take Nanjing with high-speed urbanization as example, and make a systematic analysis of the driving power and the rationality of expansion of urban using land scale.The first chapter is introduction. It mostly discusses the background and significance of this research firstly, and overviews the status quo and achievement home and abroad. It also introduces research content and method.The second chapter defines basic and related conception of urban using land scale. Then it introduces related theories, include land location theory, growth pole nuclear theory, gradient theory, central geography theory, agglomerative economies theory and land return rule and moderation scale management theory.The third chapter makes a particular and systematic analysis of the drive power of urban using land expansion on the basis of related study, which includes internal force and external thrust. *,The fourth chapter analyzes contents correlated with the rationality of expansion of urban using land scale. This part firstly summarizes and analyzes the problems caused by urban using land expansion, then in light of these elicits the expansion threshold. Based on the analysis of expansion process and mode, this part also theoretical discusses the best urban scale. Finally this chapter expatiates the judgment standard of the reasonable urban land using scale.The chapter takes Nanjing as an example. Firstly this chapter analyzes the drive forceof urban using land expansion of Nanjing, and also abstracts the major force with factor analysis, next, expatiates the expansion process and mode. Then this part synthetically analyzes the expansion amount, speed, construction, return and so on, judges the rationality of urban using land and expansion. In view of these this part puts forward some proposals. Lastly this chapter makes a exploratory discussion about the using land scale of Nanjing in the future.The sixth chapter sums up the paper. It is thought that the expansion of urban using land, as a result of kinds of factors inside and outside, is not controlled by people. We could not achieve the rationality of the expansion by control some factors such as population growth, economic development and technical increasing, and so on, can but coordinate and control the urban land using by policy, keep away low effect urban land using and unreasonable urban land using structure. Lastly, this chapter puts forward possible creativity and shortage.