Empty box and buttress structure combined retaining wall

Abstract

The utility model discloses an empty box and buttress structure combined retaining wall, which belongs to the technical field of retaining walls and comprises an empty box structure, and a vertical wall and a plurality of buttresses are arranged on a top plate of the empty box structure. Cavities and water passing caverns are arranged in the empty box structure at intervals, and the water passing caverns penetrate through the empty box structure front and back; a toe board is arranged on the rear side of the empty box; and a plurality of drainage holes are formed in the vertical wall. The retaining wall effectively solves the problem of connection between the retaining wall and a tail water channel of a power station or other drainage buildings in a water conservancy project, the integrity and the stability of the retaining wall are guaranteed while the retaining wall is horizontally and smoothly drained, and on the basis that various functions of the retaining wall are met, the overall structure is simple and symmetrical, stress is definite, and construction is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of retaining walls, in particular to a retaining wall combining a hollow box with a buttress structure. Background Art

[0002] In water conservancy projects, retaining walls are mainly used as bank walls and wing walls of hydraulic structures, and they have multiple functions such as retaining soil, retaining water and diverting water. They are widely used, and the conventional cross-sectional structural types are gravity type, counterweight type, cantilever type, buttress type, empty box type and sheet pile type, etc. In order to adapt to various geological and topographic conditions and the application characteristics of connected hydraulic structures, a variety of new retaining wall types have been introduced in the long-term construction of water conservancy projects.

[0003] However, there is currently no retaining wall in a water conservancy project that can effectively solve the problem of connection with the tailwater channel of a power station or other drainage structures, so that the waste water can be discharged smoothly while ensuring the integrity and stability of the retaining wall. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides a retaining wall combining a hollow box with a buttress structure; the retaining wall combining a hollow box with a buttress structure effectively solves the problem of connection between the retaining wall and the tailwater channel of a power station or other drainage structures in water conservancy projects, so that the waste water can be discharged smoothly while also ensuring the integrity and stability of the retaining wall; and on the basis of meeting its various functions, the overall structure is simple and symmetrical, the force is clear, and it is easy to construct.

[0005] In order to solve the above technical problems, the utility model provides a retaining wall combining a hollow box and a buttress structure, comprising a hollow box structure, wherein a vertical wall and a plurality of buttresses are arranged on the top plate of the hollow box structure; a cavity and a water-passing cavern are arranged in the internal intervals of the hollow box structure, and the water-passing cavern runs through the hollow box structure front and back; a toe plate is arranged on the rear side of the hollow box structure; and a plurality of drainage holes are arranged on the vertical wall.

[0006] In a further improvement of the utility model, the spacing between adjacent buttresses ranges from 3 to 5 m.

[0007] Through the above design, this solution can be more convenient for buttress installation.

[0008] In a further improvement of the utility model, a side wall is arranged between the cavity and the water passage chamber.

[0009] Through the above design, this solution can more easily separate the cavity and the water passage chamber.

[0010] In a further improvement of the utility model, the bottom of the water passage chamber adopts a flat bottom or an inclined bottom.

[0011] Through the above design, this solution can be more easily adapted to different working conditions.

[0012] In a further improvement of the utility model, the interior of the drainage hole adopts a longitudinal slope greater than 3%.

[0013] Through the above design, this solution can be more convenient for water flow.

[0014] In a further improvement of the utility model, a reverse filter layer is arranged at the water outlet end of the drainage hole.

[0015] Through the above design, this solution can be more convenient for filtering.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model effectively solves the problem of connection between the retaining wall and the tailwater channel of the power station or other drainage structures in the water conservancy project, so that the abandoned water can be discharged smoothly while ensuring the integrity and stability of the retaining wall. Moreover, on the basis of meeting its various functions, the overall structure is simple and symmetrical, the force is clear, and the construction is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the background technology or the technical solution of the utility model, the following is a brief introduction to the drawings used in conjunction with the prior art or specific implementation methods; obviously, the structures, proportions, sizes, etc. illustrated in the drawings of the specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the restrictive conditions for the implementation of the utility model, so they have no technical substantive significance. Any structural modification, change in proportional relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0019] Figure 1 It is a structural schematic diagram of a specific implementation method of the utility model.

[0020] As shown in the figure: 1. Empty box structure; 2. Top plate; 3. Vertical wall; 4. Buttress; 5. Cavity; 6. Water passage chamber; 7. Toe board; 8. Drain hole; 9. Side wall; 10. Heel plate. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making any creative work should fall within the scope of protection of the present invention.

[0022] At the same time, the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like cited in this specification indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0023] At the same time, in the description of this specification, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood by specific circumstances.

[0024] At present, there is no retaining wall in water conservancy projects that can effectively solve the problem of connection with the tailwater channel of a power station or other drainage structures, so that the waste water can be discharged smoothly while ensuring the integrity and stability of the retaining wall.

[0025] Therefore, the design concept of this application is to provide a new type of retaining wall composed of a hollow box and a buttress structure, which effectively solves the problem of connection between the retaining wall and the tailwater channel of a power station or other drainage structures in water conservancy projects, so that the waste water can be discharged smoothly while also ensuring the integrity and stability of the retaining wall. On the basis of meeting its various functions, the overall structure is simple and symmetrical, the force is clear, and it is easy to construct. By flexibly adjusting the detailed dimensions, it can also be applied to different projects under such working conditions.

[0026] like Figure 1 As shown, the present application provides a retaining wall combining a hollow box and a buttress structure, comprising a hollow box structure 1, a vertical wall 3, a buttress 4, a cavity 5, a water passage chamber 6, a toe plate 7, a drainage hole 8, and a heel plate 10; the vertical wall 3 and a plurality of buttresses 4 are arranged on the top plate 2 of the hollow box structure 1; the internal intervals of the hollow box structure 1 are arranged with a cavity 5 and a water passage chamber 6, and the water passage chamber 6 passes through the hollow box structure 1 from front to back; the toe plate 7 is arranged on the rear side of the hollow box structure 1; and a plurality of drainage holes 8 are arranged on the vertical wall 3.

[0027] The spacing between adjacent buttresses 4 is in the range of 3 to 5 m. The buttresses serve to increase the rigidity between the vertical wall and the plate and reduce the wall thickness. They are located on the top plate of the empty box and the spacing is in the range of 3 to 5 m.

[0028] Among them, a side wall 9 is arranged between the cavity 5 and the water-passing tunnel 6; the cavity 5 and the water-passing tunnel 6 share the bottom plate and the top plate of the hollow box structure 1, the top plate elevation and thickness are consistent, and the side wall 9 is used to separate them. The purpose of setting the cavity 5 is to enhance the integrity of the retaining wall structure and reduce the difficulty of concrete pouring and backfill compaction. Whether the cavity 5 is filled with soil is adjusted based on the stability calculation results.

[0029] Among them, the bottom of the water tunnel 6 adopts a flat bottom or a sloping bottom; the water tunnel 6 connects the pool in front of the wall and the tailwater channel or other drainage structures behind the wall. The bottom plate can be flat or use a slope transition according to the engineering conditions, and the slope should not affect the water flow conditions.

[0030] The interior of the drainage hole 8 adopts a longitudinal slope greater than 3%; a filter layer is arranged at the outlet end of the drainage hole 8; the drainage hole is used to discharge water in the fill soil, which is higher than the water level in front of the wall, and a longitudinal slope of not less than 3% is arranged from the back of the wall to the front of the wall, and multiple rows may be arranged, and a filter layer is arranged around the drainage holes behind the wall.

[0031] The utility model relates to the technical field of water conservancy engineering, and provides a new type of retaining wall composed of an empty box and a buttress structure. The material is reinforced concrete, which is suitable for the working conditions where water flows in front of the wall and part of the wall body is connected with the tailwater channel of a power station or other drainage buildings. It is recommended to be used when the retaining height is large and the wall height is greater than 9m; the utility model effectively solves the problem of the connection between the retaining wall and the tailwater channel of a power station or other drainage buildings in water conservancy projects, so that the waste water can be discharged smoothly while also ensuring the integrity and stability of the retaining wall. On the basis of meeting its various functions, the overall structure is simple and symmetrical, the force is clear, and it is easy to construct. By flexibly adjusting the detailed dimensions, it can also be applied to different projects under such working conditions.

[0032] Although the present invention has been described in detail with reference to the accompanying drawings and in combination with preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, ordinary technicians in the field can make various equivalent modifications or substitutions to the embodiments of the present invention, and these modifications or substitutions should all be within the scope of the present invention. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present invention, which should all be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A retaining wall combining a hollow box and a buttress structure, characterized in that: It comprises an empty box structure, wherein a vertical wall and a plurality of buttresses are arranged on the top plate of the empty box structure; a cavity and a water passage chamber are arranged in the internal interval of the empty box structure, and the water passage chamber runs through the empty box structure from front to back; a toe plate is arranged on the rear side of the empty box structure; and a plurality of drainage holes are arranged on the vertical wall.

2. The retaining wall combining a hollow box and a buttress structure according to claim 1, characterized in that: The spacing between adjacent buttresses ranges from 3 to 5 m.

3. The retaining wall combining a hollow box and a buttress structure according to claim 1, characterized in that: A side wall is arranged between the cavity and the water passage chamber.

4. The retaining wall combining a hollow box and a buttress structure according to claim 1, characterized in that: The bottom of the water passage cavern is flat or inclined.

5. The retaining wall combining a hollow box and a buttress structure according to claim 1, characterized in that: The interior of the drainage hole adopts a longitudinal slope greater than 3%.

6. The retaining wall combining a hollow box and a buttress structure according to claim 1, characterized in that: The water outlet end of the drainage hole is provided with a reverse filter layer.

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