High-permeability concrete faced rockfill dam structure

Abstract

The utility model relates to the technical field of hydraulic engineering, in particular to a high-permeability concrete faced rockfill dam structure which comprises a concrete slab, a leveling layer is arranged on the inner wall of the concrete slab, a compression-resistant layer is fixedly connected to the inner wall of the leveling layer, and a gravel layer A is arranged on the inner wall of the compression-resistant layer. According to the high-permeability concrete faced rockfill dam structure, through the arrangement of the concrete slab, the leveling layer, the compression-resistant layer, the rubble layer A, the rubble layer B and the rubble layer C, when the high-permeability concrete faced rockfill dam structure is used, the rubble layer A, the rubble layer B and the rubble layer C are arranged in the high-permeability concrete faced rockfill dam structure, the rubble layer A is used for resisting one side of a water source, and the water pressure resistance of the high-permeability concrete faced rockfill dam structure is improved according to different sizes of rubbles; according to the rock-fill dam structure, the pressure-resistant layer is arranged outside the broken stones to reduce deformation of the broken stone layers caused by water pressure and reduction of the pressure-resistant effect of the broken stones, and the leveling layer is arranged on the surface of the pressure-resistant layer to facilitate concrete pouring by workers to form the structure, so that the water pressure resistance of the rock-fill dam structure can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a high-permeability concrete face rockfill dam structure. Background Technique

[0002] A rockfill dam with a rockfill body as the supporting structure and a concrete face poured on its upstream surface as the anti-seepage structure is abbreviated as a concrete face rockfill dam or a face dam, belonging to the type of earth-rock dam.

[0003] However, the existing high-permeability concrete face rockfill dam structure has the following disadvantages:

[0004] (1) The existing high-permeability concrete face rockfill dam structure has a relatively weak firmness function. During use, due to the need for long-term mechanical isolation of water sources, there may be potential safety hazards.

[0005] (2) The existing high-permeability concrete face rockfill dam structure has a relatively weak protection function. After the device is poured during use, there will be gaps between the plates, which may cause potential safety hazards. Content of the Utility Model

[0006] The purpose of the utility model is to provide a high-permeability concrete face rockfill dam structure to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solution: A high-permeability concrete face rockfill dam structure includes a concrete slab. A leveling layer is provided on the inner wall of the concrete slab. A compression layer is fixedly connected to the inner wall of the leveling layer. A gravel layer A is provided on the inner wall of the compression layer. A gravel layer B is provided on the inner wall of the gravel layer A. A gravel layer C is provided on the inner wall of the gravel layer B. Fixing grooves are formed on the front surface of the concrete slab. Fixing cones are fixedly connected to the inner walls of the fixing grooves. One end of each fixing cone is fixedly connected to a protection plate. A limiting plate is fixedly connected to the bottom of the inner wall of the protection plate.

[0008] Preferably, a top plate is fixedly connected to the top of the concrete slab, and a bottom plate is fixedly connected to the bottom of the concrete slab. The top plate is provided at the top of the concrete slab, and its bottom is fixed to one end of the bottom plate.

[0009] Preferably, the top of the leveling layer is fixedly connected to the side of the top plate close to the concrete slab, and the bottom of the leveling layer is fixedly connected to the side of the bottom plate close to the concrete slab. The bottom of the leveling layer is on the bottom plate, and the top is fixed to the bottom of the top plate.

[0010] Preferably, the top of the compression layer is fixedly connected to the side of the top plate close to the leveling layer, and the bottom of the compression layer is fixedly connected to the side of the bottom plate close to the leveling layer. Both ends of the compression layer are respectively fixed to the top plate and the bottom plate.

[0011] Preferably, the top of the gravel layer A is fixedly connected to one side of the top plate close to the compression layer, and the bottom of the gravel layer A is fixedly connected to one side of the bottom plate close to the compression layer. When the staff lays the gravel layer A, it needs to be laid between the bottom plate and the top plate.

[0012] Preferably, the top of the gravel layer B is fixedly connected to one side of the top plate close to the gravel layer A, and the bottom of the gravel layer B is fixedly connected to one side of the bottom plate close to the gravel layer A. When the staff lays the gravel layer B, it needs to be laid between the bottom plate and the top plate.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In this high-permeability face rockfill dam structure, through the arrangement of the concrete slab, leveling layer, compression layer, gravel layer A, gravel layer B and gravel layer C, when in use, the gravel layer A, gravel layer B and gravel layer C are sequentially arranged inside the device. On the side of the gravel layer A against the water source, the different sizes of gravel are used to improve the water pressure resistance of the device. A compression layer is arranged outside the gravel to reduce the deformation of each gravel layer caused by water pressure, resulting in a decrease in the compression effect of the gravel. A leveling layer is arranged on the surface of the compression layer to facilitate the staff to pour concrete to form this structure. Such an arrangement can improve the water pressure resistance of this rockfill dam structure.

[0015] 2. In this high-permeability face rockfill dam structure, through the arrangement of the concrete slab, fixing cone, protection plate and limiting plate, when in use, there are water stop grooves between the concrete slabs. The staff fixes the protection plate on the concrete slab through the fixing cone. A limiting plate is arranged at the bottom of the inner wall of the protection plate. The staff can pour special materials into the gap between the protection plate and the water stop groove to protect the water stop groove and prevent these gaps from being penetrated by water, thereby reducing the overall strength of this structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the disassembly diagram of the present utility model;

[0017] Figure 2 is the front view of the present utility model;

[0018] Figure 3 is the schematic diagram of the anti-seepage device of the present utility model;

[0019] Figure 4 is the cross-sectional view of the present utility model.

[0020] In the figure: 1, concrete slab; 2, leveling layer; 3, compression layer; 4, gravel layer A; 5, gravel layer B; 6, gravel layer C; 7, fixing cone; 8, protection plate; 9, limiting plate; 10, top plate; 11, bottom plate. Detailed implementation manner

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1 - 4 As shown, a technical solution provided by the present invention: a high-permeability face rockfill dam structure, including a concrete slab 1, a leveling layer 2 is arranged on the inner wall of the concrete slab 1, a compression layer 3 is fixedly connected to the inner wall of the leveling layer 2, a gravel layer A 4 is arranged on the inner wall of the compression layer 3, a gravel layer B 5 is arranged on the inner wall of the gravel layer A 4, a gravel layer C 6 is arranged on the inner wall of the gravel layer B 5, a fixing groove is formed on the front surface of the concrete slab 1, a fixing cone 7 is fixedly connected to the inner wall of the fixing groove, one end of the fixing cone 7 is fixedly connected to a protection plate 8, and a limiting plate 9 is fixedly connected to the bottom of the inner wall of the protection plate 8. Through the settings of the concrete slab 1, the leveling layer 2, the compression layer 3, the gravel layer A 4, the gravel layer B 5 and the gravel layer C 6, when in use, the gravel layer A 4, the gravel layer B 5 and the gravel layer C 6 are sequentially arranged inside the device. The side of the gravel layer A 4 against the water source, with different gravel sizes to improve the device's resistance to water pressure. A compression layer 3 is arranged outside the gravel to reduce the deformation of each gravel layer caused by water pressure, resulting in a decrease in the compression effect of the gravel. A leveling layer 2 is arranged on the surface of the compression layer 3 to facilitate the staff to pour concrete to form this structure. Such a setting can improve the water pressure resistance of this rockfill dam structure. Through the settings of the concrete slab 1, the fixing cone 7, the protection plate 8 and the limiting plate 9, when in use, there is a water stop groove between the concrete slabs 1. The staff fixes the protection plate 8 on the concrete slab 1 through the fixing cone 7. A limiting plate 9 is arranged at the bottom of the inner wall of the protection plate 8. The staff can pour special materials into the gap between the protection plate 8 and the water stop groove to protect the water stop groove and prevent these gaps from being penetrated by water to reduce the overall strength of this structure.

[0023] A top plate 10 is fixedly connected to the top of the concrete slab 1, and a bottom plate 11 is fixedly connected to the bottom of the concrete slab 1. Through the settings of the concrete slab 1, the top plate 10 and the bottom plate 11, when in use, a top plate 10 is arranged on the top of the concrete slab 1, and its bottom is fixed to one end of the bottom plate 11.

[0024] The top of the leveling layer 2 is fixedly connected to one side of the top plate 10 close to the concrete slab 1, and the bottom of the leveling layer 2 is fixedly connected to one side of the bottom plate 11 close to the concrete slab 1. Through the arrangement of the leveling layer 2, the top plate 10 and the bottom plate 11, during use, the bottom of the leveling layer 2 is on the bottom plate 11, and the top is fixed to the bottom of the top plate 10.

[0025] The top of the compressive layer 3 is fixedly connected to one side of the top plate 10 close to the leveling layer 2, and the bottom of the compressive layer 3 is fixedly connected to one side of the bottom plate 11 close to the leveling layer 2. Through the arrangement of the compressive layer 3, the top plate 10 and the bottom plate 11, during use, both ends of the compressive layer 3 are respectively fixed to the top plate 10 and the bottom plate 11.

[0026] The top of the gravel layer A4 is fixedly connected to one side of the top plate 10 close to the compressive layer 3, and the bottom of the gravel layer A4 is fixedly connected to one side of the bottom plate 11 close to the compressive layer 3. Through the arrangement of the gravel layer A4, the bottom plate 11 and the top plate 10, during use, when the staff lays the gravel layer A4, it needs to be laid between the bottom plate 11 and the top plate 10.

[0027] The top of the gravel layer B5 is fixedly connected to one side of the top plate 10 close to the gravel layer A4, and the bottom of the gravel layer B5 is fixedly connected to one side of the bottom plate 11 close to the gravel layer A4. Through the arrangement of the gravel layer B5, the bottom plate 11 and the top plate 10, during use, when the staff lays the gravel layer B5, it needs to be laid between the bottom plate 11 and the top plate 10.

[0028] In the present utility model, the working steps of the device are as follows:

[0029] The first step: The gravel layer A4, the gravel layer B5 and the gravel layer C6 are sequentially arranged inside the device. On one side of the gravel layer A4 against the water source, the device's resistance to water pressure is improved by different gravel sizes. There is a compressive layer 3 outside the gravel to reduce the deformation of each gravel layer caused by water pressure, which may lead to a decrease in the compressive effect of the gravel. A leveling layer 2 is arranged on the surface of the compressive layer 3 to facilitate the staff to pour concrete to form this structure;

[0030] The second step: There is a water stop groove between the concrete slabs 1. The staff fixes the protection plate 8 to the concrete slab 1 through the fixing cone 7. A limiting plate 9 is arranged at the bottom of the inner wall of the protection plate 8. The staff can pour special materials into the gap between the protection plate 8 and the water stop groove to protect the water stop groove.

[0031] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A high permeability face rockfill dam structure, comprising a concrete slab (1), characterized in that: The inner wall of the concrete slab (1) is provided with a leveling layer (2), the inner wall of the leveling layer (2) is fixedly connected to a pressure-resistant layer (3), the inner wall of the pressure-resistant layer (3) is provided with a crushed stone layer A (4), the inner wall of the crushed stone layer A (4) is provided with a crushed stone layer B (5), and the inner wall of the crushed stone layer B (5) is provided with a crushed stone layer C (6), the front surface of the concrete slab (1) is provided with a fixing groove, the inner wall of the fixing groove is fixedly connected to a fixing cone (7), one end of the fixing cone (7) is fixedly connected to a protective plate (8), and the inner wall bottom of the protective plate (8) is fixedly connected to a limiting plate (9).

2. A high permeability face rockfill dam structure according to claim 1, characterized in that: The top of the concrete slab (1) is fixedly connected to a top plate (10), and the bottom of the concrete slab (1) is fixedly connected to a bottom plate (11).

3. A high permeability face rockfill dam structure according to claim 1, characterized in that: The top of the leveling layer (2) is fixedly connected to a side of the top plate (10) close to the concrete plate (1), and the bottom of the leveling layer (2) is fixedly connected to a side of the bottom plate (11) close to the concrete plate (1).

4. The high permeability face rockfill dam structure according to claim 1, characterized in that: The top of the pressure-resistant layer (3) is fixedly connected to a side of the top plate (10) close to the flattening layer (2), and the bottom of the pressure-resistant layer (3) is fixedly connected to a side of the bottom plate (11) close to the flattening layer (2).

5. The high permeability face rockfill dam structure according to claim 1, characterized in that: The top of the crushed stone layer A (4) is fixedly connected to a side of the top plate (10) close to the pressure-resistant layer (3), and the bottom of the crushed stone layer A (4) is fixedly connected to a side of the bottom plate (11) close to the pressure-resistant layer (3).

6. The high permeability face rockfill dam structure according to claim 1, characterized in that: The top of the gravel layer B (5) is fixedly connected to a side of the top plate (10) close to the gravel layer A (4), and the bottom of the gravel layer B (5) is fixedly connected to a side of the bottom plate (11) close to the gravel layer A (4).

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