Quantitative Research On Comprehensive Diagnosis Of Traditional Residential Blocks In Changsha From The Perspective Of Humanism

At present,China has entered the era of stock development,and the urban renewal action has risen to a national strategy.As a kind of open old residential areas with historical and cultural value,traditional residential blocks face the demand of renewal in terms of material environment and cultural environment due to their long development process.In order to ensure the value framework of block renewal and the accuracy of renewal content,the Ministry of housing and urban rural development proposes to conduct an overall analysis on the problems of blocks,Based on the analysis results,targeted update measures will be implemented.Therefore,in order to ensure the objectivity of the analysis process and the accuracy of the analysis results,build a comprehensive diagnosis system of traditional residential blocks,which can quantify the problems of block material and human environment,and is of great significance to the follow-up block renewal and development sequence and the content of renewal implementation.Firstly,this paper defines the concepts of humanism,traditional residential block and comprehensive diagnosis,and establishes that the research scope is the historical urban area of Changsha,and selects Ma Yishun traditional residential block as an empirical case.From the humanistic perspective,this paper combs the development process and typical theories of humanistic planning at home and abroad,analyzes the system construction characteristics related to the diagnosis of traditional residential blocks at home and abroad,and expounds the urban renewal process of Changsha and the current situation of traditional blocks in the research area.Based on the analysis of literature,Changsha renewal policies and relevant technical standards,combined with expert consultation,this paper selects appropriate diagnostic indicators,and selects 31 diagnostic indicators from five aspects: block characteristics,ecological livability,convenient life,safety toughness and vitality innovation.The content of this paper’s diagnostic system is constructed,and the weight is assigned by AHP.The comprehensive diagnostic results of traditional residential blocks are divided into three categories: comprehensive renovation type Local improvement type and quality improvement type.Finally,an empirical study is conducted on Mayishun block.The data of diagnostic indicators are analyzed quantitatively and visually by questionnaire and GIS analysis.The scores of various indicators are sorted,and the causes of low scores are analyzed.The diagnostic results are consistent with the actual development of Mayishun block,indicating the practicability and operability of the diagnostic system,and aiming at the shortcomings of the block,List the specific update list and update implementation strategy.