The anti-seepage rain garden is to prevent rainwater infiltration by adding HDPE membrane at the bottom,and to realize rainwater purification and collection by designing multi-layer infiltration structure and permeable blind pipes.Aiming at the problems of urban waterlogging and runoff pollution,this paper analyzes the typical application scenarios and construction technologies of anti-seepage rain garden,aiming to provide reference for the subsequent construction of anti-seepage sponge city facilities.
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