海绵城市ppt.ppt

,过程控制系统与仪表 第,1,章,The Sponge City Theory,Class-11 3150657 ZHAO Yining,Tutor:SUN Ying,Contents,The background of the raise of,“Sponge,city theory,1,Connotation of Sponge city theory,2,Measures,3,Background,Urban ecological,condition in our country is faced with all kinds of serious problems such as water shortage,water pollution,flooding and aquatic habitat degradation and so on.,Connotation,“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.,Contrast,Create nature,Focus on use of land resources,Change intrinsic environment,Extensive development,Surface runoff increased,Conform to nature,Harmonious,coexistence,of,human,and,nature,Protect intrinsic environment,Low impact development,Surface runoff,unchanged,Traditional City,Sponge City,The,Water Cycle Diagram,Comprehensive treatment measures about rivers.,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 permeability 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 runoff,Transpiration,Roof drainage,Filtration,permeating,Transient storage,Rainwater Garden,Donald Creek Park,Green Roof,Vegetation layer,Planting,layer,Filter,layer,Water storage and,drainage,layer,Moisturizing layer,Spacer layer,Antiseep,layer,Original building roof,Green Roof,Green roof around the world,Thank You!,