The rainwater design discharge, drainage flow and rainwater storage volume are analyzed and calculated, and the calculation method of rainwater storage volume is given.

阐述了凤冈县常用集流面种类及各自的特点，以及一户四口之家雨水集蓄利用的蓄水工程容积、集流面积的计算方法。

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Taking a residential district in Xi 'an as an example, optimal design volume of rainwater storage basin was calculated combined with the rainfall data.

以西安市某建筑小区为例，结合西安市的降雨资料，计算得出该小区的雨水蓄水池最佳设计容积。

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The economical volume of rainwater storage basin of different runoff yield area were calculated by converting area of residential districts with different scale and component.

同时，通过折算不同规模和组成的小区的占地面积，确定了不同产流面积下的雨水蓄水池经济容积。

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