An anti-scour energy dissipation wall of a water conservancy project overflow dam

Abstract

This application relates to an anti-scouring energy dissipation wall of an overflow dam in a water conservancy project, which includes a foundation and a retaining wall. Several energy dissipation holes are opened on the retaining wall. An energy dissipation groove is provided, and an energy dissipation component is arranged in the energy dissipation hole and the energy dissipation groove. The energy dissipation component includes a shunt pipe and an energy dissipation pipe. One end of the energy dissipation groove protrudes and forms an energy dissipation shoulder, and the side of the energy dissipation shoulder away from the energy dissipation groove forms a rolling area, and a support rod 1 is fixedly connected between the shunt pipe and the energy dissipation hole; the energy dissipation pipe includes end-to-end connection The inner straight pipe, drainage pipe and outer straight pipe, the inner straight pipe is located under the rolling area, the drainage pipe is located under the tail of the energy dissipation shoulder, the diameter of the end of the drainage pipe near the inner straight pipe is larger than the other end, the shunt pipe and the energy dissipation pipe Two support rods are fixedly connected therebetween. The application can accelerate the elimination of water flow energy and reduce the erosion of buildings.

Description

technical field [0001] The application relates to the field of water conservancy engineering, in particular to an anti-scouring energy dissipation wall of an overflow dam of a water conservancy project. Background technique [0002] Water conservancy engineering is a general term for various engineering constructions built to control, utilize and protect surface and underground water resources and the environment. In the construction of water conservancy projects, the energy dissipation wall can eliminate the excess kinetic energy of the rapid discharge of the discharge structure or the drop structure, and prevent or reduce the erosion and damage of the water flow to the hydraulic structure and its downstream canals. The principle of energy dissipation is to set up a stilling pool, a stilling sill, and an energy-dissipating wall at the downstream of the water-retaining building, so as to promote the water flow to generate a hydraulic jump within a limited range, and consume ...

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Problems solved by technology

[0004] In view of the related technologies mentioned above, the inventor believes that: when the flood is large, the water flow at the bottom still has more kinetic energy after the water flow passes over the energy dissipation wall, which will still cause serious erosion to the building

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