JIANGYong,LIHai-jun,CHENGGang.Evaluation of the Planning and Implementation of Sponge City Construction Based on Source Control in Wuhan[J].China Water & Wastewater,2023,39(18):44-48.
基于源头管控的武汉海绵城市规划实施评估
- Title:
- Evaluation of the Planning and Implementation of Sponge City Construction Based on Source Control in Wuhan
- Keywords:
- sponge city; construction effect; investment intensity
- 摘要:
- 介绍了武汉源头海绵城市规划管控方法，构建了海绵城市规划管控的专项设计制度、自审制度和征信制度，通过常规审查与抽检审查相结合的方式，保证了海绵城市审批的准确性与高效性。为评估规划管控制度的有效性和实际建设水平，通过项目实例，分析了实施海绵城市建设取得的效果、项目设计特点和一般投资强度。结果发现，通过源头海绵城市建设，城市面源污染控制率可达70.3%以上；通过峰值径流系数控制，局部雨水管网承载力可从重现期1年提高至接近2年的水平；源头海绵城市建设项目的投资适宜区间为200～350元/m2。
- Abstract:
- Sponge city planning management control system in Wuhan was introduced, based on special design system, self-examination system and credit system. Through the combination of routine review and spot check review, the accuracy and efficiency of sponge city approvals are ensured. Through the collection of specific cases, the implementation effect, project design characteristics and overall investment intensity of sponge city construction are analyzed to evaluate the effectiveness of the planning management control system and the actual construction level. It was found that through the construction of sponge cities, urban non-point source pollution can be controlled at above 70.3%. Through the control of peak runoff coefficient, the bearing capacity of local rainwater pipe network can be improved from the existing recurrence period of one-year to the level of nearly two-year. The suitable investment range of the source sponge city construction project is 200-350 yuan/m2.
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