SI Yi-fang,ZHU Qin-yao,FENG Guo-guang,et al.Parameters Optimization of Bioretention Pood Based on Central Composite Response Surface Methodology Design[J].China Water & Wastewater,2021,37(13):103-107.
基于中心复合响应曲面法的生物滞留池参数优化
- Title:
- Parameters Optimization of Bioretention Pood Based on Central Composite Response Surface Methodology Design
- 摘要:
- 利用中心复合响应曲面法对生物滞留池性能进行水文模型试验，建立了雨量控制量和峰值变化率的响应预测模型，并对预测模型进行统计学检验。检验结果表明，各预测模型的显著性较高，试验值与预测值的拟合程度良好，同时给出了针对宁波市海绵城市水目标的参数取值建议。以有效性、经济性、目的性为优化原则，建议生物滞留设施土壤层导水率为356~400 mm/h、表面下凹深度为135~215 mm、设计停留时间为12~24 h、设施服务面积为12~20倍，此条件下可以较好地达到目标效果。
- Abstract:
- Hydrological model tests were employed to investigate the performance of bioretention ponds by central composite response surface method, and a response prediction model of rainfall control and peak change rate was established and then verified by statistical tests. Significance of each prediction model was relatively high, and the test values were well fitted to the predicted values. At the same time, parameter values for Ningbo City to achieve sponge city water objective were suggested. Based on the optimization principles of effectiveness, economy and purposiveness, it was suggested that soil layer infiltration rate, subsurface concave depth, design retention time and service area of the bioretention facilities were 356-400 mm/h, 135-215 mm, 12-24 h and 12-20 times, respectively, and good performance of the bioretention facilities was achieved under this condition.
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