DESIGN DIMENSIONS OF FLOW IN COMPRESSED FLOW BEYOND COMBINED DIKES

The experimental research has shown that the kinematic pattern of flow deformed by combined structures (core part is blank and made of local materials, and the head part is made of piles), and it is more complicated than usual, although the qualitative flow schemes have much in common. The flow has the zones of backup, compression and spreading. Compression zone is discussed in the article, and the largest transverse and longitudinal drops in elevation and velocity are observed in this zone, therefore theoretically it is very difficult to set the main design dimensions of flow in this zone. Therefore, the flow divided into hydraulically homogeneous zones: weekly disturbed core, intensive turbulent mixing, backflow. The article discusses the task of determining the design dimensions of deformed flow in compression zone beyond a combined dike: 1 2345 , , , , , , l l cc b Y Y Y Y Y .

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