介绍了排水管渠的水力计算公式，从雨水管道水力计算与污水管道水力计算两方面着手，探讨了运用Excel软件进行水力计算的方法，通过试算分析指出运用Excel软件进行水力计算简单便捷、精确度高。%This paper introduced the hydraulic calculation formula of drain ditch,from rainwater pipeline hydraulic calculation and sewage pipe-line hydraulic calculation two aspects,discussed the method using Excel software made hydraulic calculation,through the trial analysis indicated that using Excel software for hydraulic calculation was simple and convenient,had high precision.
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