极端暴雨条件下雄安新区防洪排涝系统问题梳理与改进建议OA

[Objective]This study aims to analyze the performance and deficiencies of the flood control and drainage system in Xiong'an New Area during the ″23·7″ extreme rainstorm,identify existing shortcomings,and provide support for subse-quent optimization of the flood control and drainage system.[Methods]Based on data analysis,field surveys,blueprint analysis,and statistical data,the current status of the flood control and drainage system in Xiong'an New Area was analyzed,with particular emphasis on the river and lake systems and large-scale storage facilities.The overall situation of flood control and drainage,as well as its relationship with basin-wide flood control,was summarized.The main issues in the water system of Xiong'an New Area were identified based on field investigations.Furthermore,the analysis focused on a typical residential area in the Rongdong Area where waterlogging was particularly severe during the ″23·7″ extreme rainstorm,and the main causes of its waterlogging were examined.[Results]Overall,drainage operations in the Qidong Area and Rongdong Area of Xiong'an New Area were orderly.However,several specific issues were revealed,including insufficient capacity of storage fa-cilities,inadequate connectivity between stormwater drainage networks,failure of sponge city facilities in certain areas to meet design standards,and insufficient routine management and maintenance.[Conclusion]The flood control and drainage sys-tem in Xiong'an New Area is generally effective.However,shortcomings remain in both engineering facilities and management and maintenance.In the future,measures such as improving facility layout,enhancing storage capacity,optimizing stormwa-ter pipeline connectivity,strengthening emergency response,and implementing intelligent operation and maintenance should be adopted to comprehensively enhance flood control,drainage capacity,and resilience under extreme rainfall conditions.