The study of the criterion of the marginal and dynamic equilibrium of the riverbed

The article analyzes the results of theoretical and experimental studies on the stability criterion of Rusle from non-cohesive soils, and notes their advantages and disadvantages. A significant influence of the average slope and transport sediment flow on head losses was revealed. An assessment was made of the shape of the channel of the limiting and dynamic equilibrium of the channel laid in easily eroded soils - justified for considering the parameters of molasses. A number of empirical substitutabilities are given A number of empirical substitutabilities are given w0=f(d) and i=f(H⁄d) , constructed based on hydrometrological data of Central Asian water basins, which can be used for practical calculation of watercourses. An improved method has been proposed that allows the design of river structures taking into account the criterion of equilibrium of fine sand sediment grains.

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