跌水为水利工程中较为常见的落差建筑物,不少渠道工程需要修建跌水。文章通过研究如何利用跌水口精准量水,从而确定影响其过水能力的因素以及水流的水力特性,具有重要的实践应用价值。 Fall water is the more common drop in water conservancy projects, many of the channel construction needs to build water. The article has an important practical application value by studying how to use the precise amount of water in a drop outlet to determine the factors that affect its over-flow capacity and the hydraulic characteristics of the water flow.