一种基于实测和MUSIC模型的生物滞留池绩效考核指标计算方法

Calculation Method of Performance Evaluation Index for Bio-detention Facilities Based on Actual Measurement and MUSIC Model

生物滞留池作为一种常见的海绵设施广泛应用于海绵城市建设中,考核其建成后的运行绩效是一项非常重要的工作。在现有监测条件不足以对生物滞留池在实际降雨过程中产生的绩效进行定量评估的前提下,引入了以生物滞留池的关键参数实测值与MUSIC计算模型相结合的计算方法,得到年径流总量控制率和总悬浮物去除率评估结果,为判断生物滞留池能否达到建设要求提供参考依据。同时提出了生物滞留池在建设过程中应进行检测的参数。

As a common sponge facility,bio-detention facilities is widely used in the construction of sponge city,it is very important to evaluate its operation performance after completion.Under the premise that the existing monitoring conditions are not enough to quantitatively evaluate the performance of the bio-detention facilities in the actual rainfall process,a calculation method combining the measured values of the key parameters of the biological detention tank and the music calculation model is introduced.The evaluation results of the volume capture ratio of annual rainfall and total suspended solids removal rate are obtained,which provides a reference for judging whether the bio-detention facilities can meet the construction requirements basis.At the same time,the parameters that should be tested in the construction process of bio-detention facilities are put forward.