Overflowing channel for water conservancy and hydropower engineering and construction method thereof

Abstract

The invention discloses an overflowing channel for water conservancy and hydropower engineering and a construction method thereof, belongs to the technical field of building design and construction ofwater conservancy and hydropower engineering, and provides the overflowing channel for water conservancy and hydropower engineering and the construction method thereof with high anti-impact and wear-resisting ability for building and construction conveniently. The overflowing channel includes an overflowing channel body, and further includes an anti-impact and wear-resisting system. The anti-impact and wear-resisting system is affixed and fixed on the overflowing face of the overflowing channel body. The construction method includes the steps of microcrystalline plate preparation, the base surface of the overflowing channel body cleaning, cast-in-place epoxy mortar layer laying, and microcrystalline plate affixing, arranging and curing, wherein microcrystalline plates are while-poured while-affixing in the initial setting period after the cast-in-place epoxy mortar layer is laid, and meanwhile, affixing and connecting firmness between the microcrystalline plates and the cast-in-placeepoxy mortar layer is enhanced with the help of preloading external force.

Description

technical field [0001] The invention relates to a flow passage, in particular to a flow passage used in water conservancy and hydropower projects, and belongs to the technical field of design and construction of buildings in water conservancy and hydropower projects. The invention also relates to a construction method for constructing said flow channel. Background technique [0002] Explanation of terms: [0003] Flow surface of hydraulic structures: the surface through which water flows during the operation of water conservancy and hydropower projects, such as the bottom plate and side wall of the sluice gate, the bottom plate and side wall of the stilling tank, the surface of the spillway, the bottom plate and the side wall of the spillway, etc. [0004] Anti-shock and wear resistance: Since water conservancy and hydropower projects are located on natural rivers, the water flow contains sand and gravel and other moving and suspended components to varying degrees. These su...

AI Technical Summary

Problems solved by technology

The common problem when using special concrete with strong anti-erosion ability to pour the surface layer of the flow surface is that even if the anti-abrasion ability of concrete is higher than that of ordinary concrete, it is used on rivers with many sediments, especially for many high-head, The anti-erosion ability of the high-velocity flow surface still cannot meet the long-term safe operation requirements of the project; when the technology of laying steel plates is adopted, although the anti-erosion ability is very strong, the construction process is very complicated, involving rib insertion, welding, Contact grouting and other processes, the construction period is long, and the construction quality is often difficult to guarantee

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