Abstract
Abstract In the process of rapid urbanization, gentrification and commercialization have inevitably appeared in the historical districts of Jiangnan. Although they optimize the space environment of the historic district and promote the development of economy and tourism, they have resulted in disadvantages such as insufficient vitality of the space group, rigid space interface, lack of space quality and lack of regional culture. Mathematical calculation can be used to analyse the data of 15 historical blocks, determine the key points of the protection of historical blocks in Jiangnan area and then put forward reasonable construction strategies. This paper starts from the four elements of space group, space structure, space quality and space vitality, identifies the key points and key point of the historical block protection in Jiangnan area, and then puts forward the reasonable place building strategy.
Highlights
In view of the current lack of foresight and seriousness in China’s urban planning, urban architecture has acquired the following aspects: greedy big, charming foreign, strange, lack of characteristics, ineffective cultural inheritance and other similar elements in the present-day situation
Teng et al Applied Mathematics and Nonlinear Sciences 6(2021) 201–210 of real historical information and vivid real life, and has a certain scale, which can fully reflect the distinctive characteristics of a certain historical period, a certain nation or a certain place”; it becomes the carrier to continue the historical context of the city and show the city in style
The physical space environment of the historic districts in the Yangtze River Delta has been improved after several rounds of protection, they are still trapped in the situation of insufficient vitality of the space group, lack of space quality and lack of regional culture
Summary
In view of the current lack of foresight and seriousness in China’s urban planning, urban architecture has acquired the following aspects: greedy big, charming foreign, strange, lack of characteristics, ineffective cultural inheritance and other similar elements in the present-day situation. The document emphasizes the need to “carry out urban repair and organic renewal in an orderly manner, solve the degradation of the environmental quality of the old city, spatial disorder, historical and cultural heritage damage and other problems, restore the function and vitality of the old city, better continue the historical context, and show the city style”. The physical space environment of the historic districts in the Yangtze River Delta has been improved after several rounds of protection, they are still trapped in the situation of insufficient vitality of the space group, lack of space quality and lack of regional culture. Under the urban renewal environment with “double urban repair” and “smart growth” as the “new normal”, how to find a regional, community-centred and non-universal renewal strategy for historic districts has become an urgent problem to be solved. Based on the field investigation of 20 historical blocks in Jiangnan area, this paper identifies the key points for the protection of historical blocks from the four aspects of space group, space interface, space texture and space activity, and puts forward reasonable optimization approaches, to provide the correct bases for the local government to make decisions
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