A Study On Pedestrian-scale Neighborhoods In Central Urban Area Based On The Supply Of Public Product

In the process of rapid urbanization in China,the contradiction between the traditional supply of public product and the growing demand for people's lives is becoming more prominent,which is not enough to deal with the sustainable way of life that people face in the future.The Party puts forward the goal of "striving to realize people's yearning for a better life" to China's urban development,while Shanghai,Guangzhou and other cities have carried out the "Neighborhoods-planning",through the division of living space to guide community construction,in order to ensure the daily life needs of residents.At the end of 2018,the concept of "Neighborhoods" replaced "residential area" with residential area planning and design standards,and guided the local Neighborhoods-planning and construction from a humanistic perspective.Facing the proposal of national policy,we can't help thinking,what kind of influence does the grading control of the Neighborhoods have on the service supply of urban public product? How to identify the evolution from "residential area" to "Neighborhoods" ? Based on the evaluation of the level of public service provided by public product in the city in two contexts,and the speculation on the essential characteristics of "Neighborhoods" from "concept" to "standard",this paper studies the "Neighborhoods" under the background of reality.In this paper,through the qualitative research of theory,literature and standard review and combing,and with the help of Arc GIS buffer zone analysis and network analysis method,the essential feature recognition and analysis of "Neighborhoods" based on the present situation of public product supply is carried out.Firstly,this paper expands the connotation of public product in the "Neighborhoods",evaluates and identifies the service supply level of public product in the research scope,forms the basis of the empirical research in this paper,and then makes a speculative and discussion on the extension boundary of "Neighborhoods",and criticizes the "walking guidance" advocated by the standard of life circle.As well as the "service radius" in the development of traditional residential areas,the epitaxial boundary of "Neighborhoods" is deconstructed and analyzed,and finally,the "Neighborhoods" system is reconstructed and defined in combination with the expansion connotation and boundary characteristics of public product,in order to put forward the development mode of resident Life unit which is convenient for docking planning and implementation.The results show that the support of residents' public life,in addition to basic public service facilities,also includes public transport,public environment and other public product that can actually enhance the quality of life of residents,while the "Neighborhoods" is to ensure that residents can enjoy quality and equal public services within a comfortable walk.Everyone is a life circle,therefore,this paper holds that the "Neighborhoods" for every resident in the city points to a living unit that reflects the equalization of public services,and puts forward the "public service density" to control the public product at different levels of life circle,so as to form the universal principle and countermeasure of "Neighborhoods" oriented to the planning and implementation.