Comprehensive planning of drainage and waterlogging prevention layout based on urban double repair concept

In order to improve the drainage and waterlogging prevention capacity of the existing urban drainage system, scientifically and reasonably formulate the drainage and waterlogging prevention planning scheme to ensure the safety of urban drainage and waterlogging prevention. The comprehensive planning method of drainage and waterlogging prevention layout based on the concept of urban double repair is studied. Analyze the general situation of the concept of urban double repair, and study the related theories of urban double repair. Taking Yucheng County as the research object, the concept of urban double repair is introduced into the comprehensive planning of drainage and waterlogging prevention layout, the hydraulic model of the main pipe of drainage network is constructed, and the comprehensive planning scheme of drainage and waterlogging prevention layout is formulated. The results show that the scheme can effectively improve the drainage and waterlogging prevention performance of the existing urban drainage system and ensure the safety of urban drainage and waterlogging prevention.