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1、The Sponge City TheoryClass-11 3150657 ZHAO YiningTutor: SUN Ying ContentsThe background of the raise of “Sponge city theory1 Connotation of Sponge city theory2 Measures3 BackgroundvUrban ecological condition in our country is faced with all kinds of serious problems such as water shortage, water po
2、llution, flooding and aquatic habitat degradation and so on. Connotationv“Sponge city” is a new conception of management about urban rain and flood, which refers to flexibility to environment changes and natural disasters brought by the rain. ContrastCreate natureFocus on use of land resourcesChange
3、 intrinsic environment Extensive developmentSurface runoff increased Conform to natureHarmonious coexistence of human and natureProtect intrinsic environment Low impact developmentSurface runoff unchangedTraditional City Sponge City The Water Cycle DiagramComprehensive treatment measures about river
4、s.Build retaining dam, check dam, ecological slope and wetland park.Build decentralized waste-water treatment facilities and sewage treatment plants. Implement the park renova-tion project.Improve the ability of moun-tain park on permeability and water storage.Set subsided green space, water permeab
5、ility pavement and green roof.Accelerate the transformation of underground water pipeline network and reduce the loss of water supply. Rainwater Garden Roadway runoff Grass space runoffTranspiration Roof drainageFiltration permeatingTransient storage Rainwater Garden Donald Creek Park Green RoofVegetation layerPlanting layerFilter layerWater storage and drainage layerMoisturizing layerSpacer layer Antiseep layerOriginal building roof Green Roof Green roof around the world
《海綿城市》PPT課件.ppt
