Study On Sponge Lifting Strategy Of Existing Residential Outdoor Space

With the passage of time,the existing residential areas around 1980 have exposed many problems in the aspects of construction quality,green layout,infrastructure facilities and residential management.Due to frequent rainstorms in recent years,the rain management problems of these existing residential areas are particularly prominent,and the existing residential areas in the South and North have waterlogging phenomenon,which brings great hidden dangers to the residents’ travel and the safety of life and property.In this paper based on the domestic and foreign related research progress and practice of stormwater management review,clearly pointed out that the domestic city must feature and residential area drainage according to the requirements,the city’s existing settlements and low impact development technology closely and to meet the domestic existing residential renovation of low impact development the rise;both the residential area to conduct research on 1990 s in Tianjin City,summarizes and analyzes the status quo and problems existing for stormwater management area,according to the current problems of further analysis of low impact development in both the applicability and efficiency of the residential areas in the city;in Chizhou City District Court as a design example,using SWMM software for technical reference,to both a residential area of cavernous transformation,solve the problem of stormwater management settlements;finally,according to the current problems before the analysis of the experience and renovation,summed up the covers The transformation strategy of multiple levels of existing residential areas,to solve the existing residential rainwater management problems to provide strategic guidance.