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我省小型水库(主要是100万立米以下)星罗棋布,数以千计。在修建水库时,应设置排洪建筑物,最常用的是设置溢洪道,如溢洪道的宽度设计不足,一旦洪水来时,将会危及大坝安全,而设计过宽,又造成浪费,因此如何正确地设计溢洪道是确保水库安全的重要环节。在以往,由于溢洪道的设计要通过一系列的公式计算,不易为广大水利技术员所掌握。
Small reservoirs in our province (mainly below 1 million cubic meters) dotted, thousands. When constructing reservoirs, flood-drainage structures should be provided. Spillways are the most commonly used. If the width of the spillway is insufficiently designed, the safety of the dam will be endangered once the flood comes. The design is too wide and wasteful. Therefore, Designing the spillway is an important part of ensuring the safety of the reservoir. In the past, due to the design of spillway to be calculated through a series of formulas, it is not easy for the majority of water conservancy technicians to grasp.