The Research Of Methods For Determining Residential Land Plot Ratio In Old City Reconstruction

In recent years, because of the limit capacity of the land and other kinds of resources, town development gradually turned to organic growth from the extensive expansion. Old city reconstruction, as the livelihood project, indicates an inevitable tendency. Housing is the primary function of city and the residential areas planning also plays an important role in the old city reconstruction. The reasonability of land plot ratio will be able to guarantee the quality of urban space. During the process of old city reconstruction, the ratio is closely connected with the reconstruction and the plan, which resulting the ratio become the core among the government, developers and residents’ attention.This essay is based on the background of the old city reconstruction. Firstly, it explains the connotation of land plot ratio and fully analyses the elements which influence the ratio’s determination. Secondly, it evaluates different current methods including experienced and calculated methods, such as the overall density classification and index superposition and etc. Thirdly, it also analyzes the methods applied in different types of the old residential. Thus, the author tries to explore a reasonable method for determining the land plot ratio in the old residential reconstruction, which refers to the comprehensive balanced method. The basic concept is to confirm the initial value of the ratio firstly by calculating the ratio range under economic constraints to determine the proper volume range adjusted by the social and environmental constraintsThe author will elaborate the practical application of the method by introducing the case in Hefei as well as analyzing the problems which probably appear during the application At the end of this essay, the relevant suggestions of the ratio control will be given for providing the scientific basis for regulatory plan based on the method above to promote the old city reconstruction in Hefei.