Anti-scouring concrete dam body structure
By setting up anti-scour mechanisms on the inclined surface of the concrete dam body and using wave-shaped anti-scour stones and reinforcement structures to buffer the impact of water flow, the problem of material erosion of the concrete dam body under water flow scouring is solved and the anti-slip stability of the dam body is improved.
Patent Information
- Application Number
- CN202422957725.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-12-02
AI Technical Summary
When the existing concrete dam body is subjected to water erosion for a long time, the slope concrete material is easily eroded, resulting in a reduction in the effective cross-sectional area, reducing the weight of the dam body and the anti-slip stability.
An anti-scour mechanism is set on the inclined surface of the concrete dam body, including an anti-scour frame, grooves, wave-shaped anti-scour stones, a first reinforcement block and a first trapezoidal support plate, as well as a reinforcement mechanism, which enhances structural stability by strengthening the connection between bolts and nuts.
It enhances the scour resistance and stability of the concrete dam body, reduces the direct impact of water flow on the dam body, and improves the overall anti-slip stability of the dam body.
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Figure CN223423203U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to concrete dam body technical field especially relates to a kind of concrete dam body structures of scour resistance. BACKGROUND
[0002] Concrete dam refers to the dam that is formed by pouring, rolling or assembling with prefabricated components with concrete, and nowadays, most concrete dam bodies are concrete gravity dams, which rely on the friction force between dam body and foundation to withstand water thrust and maintain stability. It has simple structure, easy construction, good durability, and is suitable for building high dams on rock foundation, and water discharge structures can also be set on the dam.
[0003] In the prior art, the concrete dam body structure has poor scour resistance, and the concrete material on the inclined surface of the dam body is gradually eroded and lost under the long-time water flow scouring, which reduces the effective cross-sectional area of the dam body, thereby reducing the overall weight and anti-sliding stability of the dam body. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of concrete dam body structures of scour resistance to solve the problem of the effective cross-sectional area of the dam body being reduced, thereby reducing the overall weight and anti-sliding stability of the dam body under the long-time water flow scouring in the above background art.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it comprises a concrete dam body, an anti-scouring mechanism is arranged on the inclined surface of the concrete dam body, the anti-scouring mechanism comprises an anti-scouring frame, a groove, a wave-shaped anti-scouring stone block, a first reinforcing block and a first trapezoidal support plate, a reinforcing mechanism is arranged on the inclined surface of the concrete dam body, and the reinforcing mechanism comprises a fixed plate, a second reinforcing block, a second trapezoidal support plate, a reinforcing bolt and a reinforcing nut.
[0006] As a preferred embodiment, the inclined surface of the concrete dam body is fixedly connected with the bottom of the anti-scouring frame, and the groove is formed in the inside of the anti-scouring frame.
[0007] As a preferred embodiment, the anti-scouring frame is provided with multiple groups, and the multiple groups of anti-scouring frames are uniformly arranged on the inclined surface of the concrete dam body, and the inner wall of the groove is fixedly connected with the bottom of the wave-shaped anti-scouring stone block.
[0008] As a preferred embodiment, the groove on the lower side is fixedly connected with one side of the first reinforcing block, and one side of the first reinforcing block is fixedly connected with one side of the first trapezoidal support plate.
[0009] As a preferred embodiment, the first reinforcing block is internally provided with a hollow groove, and the bottom of the first trapezoidal support plate is fixedly connected with the inner wall of the groove.
[0010] As a preferred embodiment, the inner wall of the inclined surface of the concrete dam body is fixedly connected to the outer wall of the fixing plate, and the lower side of the fixing plate is fixedly connected to the bottom of the second reinforcement block.
[0011] As a preferred embodiment, one side of the second reinforcement block is fixedly connected to one side of the second trapezoidal support plate, and the bottom of the second trapezoidal support plate is fixedly connected to the inclined surface of the concrete dam body.
[0012] As a preferred embodiment, a stabilizing groove is opened inside the second reinforcement block, and the inner wall of the stabilizing groove is movably connected to the outer wall of the reinforcement bolt, the outer wall of the reinforcement bolt is threadedly connected to the inner wall of the reinforcement nut, and the outer wall of the reinforcement bolt is movably connected to the inner wall of the first reinforcement block.
[0013] Compared with the prior art, the advantages and positive effects of the present invention are:
[0014] 1. In the present invention, when water flows toward the inclined surface of the concrete dam body, the water flows against the outer wall of the wavy anti-scour stones. The water flow is buffered by the arrangement of the wavy anti-scour stones. The laying of the anti-scour frame reduces the situation where the water flows directly against the inclined surface of the concrete dam body. The arrangement of the wavy anti-scour stones reduces the impact force of the water flowing against the inclined surface of the concrete dam body, thereby increasing the scour resistance of the concrete dam body.
[0015] 2. According to the utility model, after the anti-scour frame is constructed and laid on the inclined surface of the concrete dam body, the anti-scour frame is located above the fixed plate. At the same time, the first reinforcement block is directly fitted with the second reinforcement block, the reinforcement bolts are inserted into the first reinforcement block and the second reinforcement block, and the reinforcement nuts are stabilized on the outer wall of the reinforcement bolts, so that the anti-scour frame and the fixed plate are stabilized. The impact force generated by the water flow is supported by the first reinforcement block, the first trapezoidal support plate, the second reinforcement block and the second trapezoidal support plate, which increases the stability of the anti-scour frame after laying and increases the impact resistance of the anti-scour frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 A schematic structural diagram of an anti-scour concrete dam structure provided by the utility model;
[0017] Figure 2 A schematic diagram of an anti-scour mechanism of an anti-scour concrete dam structure provided by the utility model;
[0018] Figure 3 A schematic diagram of a first reinforcement block of an anti-scour concrete dam structure provided by the utility model;
[0019] Figure 4The present invention provides a schematic diagram of a reinforcement mechanism for an anti-scour concrete dam structure.
[0020] Legend:
[0021] 1. Concrete dam body; 2. Anti-scour mechanism; 201. Anti-scour frame; 202. Groove; 203. Wave-shaped anti-scour stone; 204. First reinforcement block; 205. First trapezoidal support plate; 3. Reinforcement mechanism; 301. Fixing plate; 302. Second reinforcement block; 303. Second trapezoidal support plate; 304. Reinforcement bolt; 305. Reinforcement nut. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figures 1-4 The utility model provides a technical solution: comprising: a concrete dam body 1, an anti-scour mechanism 2 is provided on the inclined surface of the concrete dam body 1, the anti-scour mechanism 2 includes an anti-scour frame 201, a groove 202, a wavy anti-scour stone 203, a first reinforcement block 204 and a first trapezoidal support plate 205, and a reinforcement mechanism 3 is provided on the inclined surface of the concrete dam body 1, the reinforcement mechanism 3 includes a fixing plate 301, a second reinforcement block 302, a second trapezoidal support plate 303, a reinforcement bolt 304 and a reinforcement nut 305.
[0024] In one embodiment, the inclined surface of the concrete dam body 1 is fixedly connected to the bottom of the anti-scour frame 201 , and a groove 202 is provided inside the anti-scour frame 201 .
[0025] Specifically, the arrangement of the wave-shaped anti-scour stones 203 mitigates the impact force of water scouring the inclined surface of the concrete dam body 1 .
[0026] In one embodiment, multiple groups of anti-scour frames 201 are provided, and the multiple groups of anti-scour frames 201 are evenly arranged on the inclined surface of the concrete dam body 1 , and the inner wall of the groove 202 is fixedly connected to the bottom of the wavy anti-scour stone 203 .
[0027] Specifically, by providing multiple groups of anti-scour frames 201 , the anti-scour performance of the concrete dam body 1 is increased.
[0028] In one embodiment, a lower side of the groove 202 is fixedly connected to a side of the first reinforcing block 204 , and a side of the first reinforcing block 204 is fixedly connected to a side of the first trapezoidal support plate 205 .
[0029] Specifically, the arrangement of the first reinforcement block 204 and the first trapezoidal support plate 205 increases the stability of the anti-scour frame 201 after laying.
[0030] In one embodiment, a hollow groove is defined inside the first reinforcement block 204 , and the bottom of the first trapezoidal support plate 205 is fixedly connected to the inner wall of the groove 202 .
[0031] Specifically, the first reinforcement block 204 and the first trapezoidal support plate 205 are provided to increase the stability between the first reinforcement block 204 and the anti-scour frame 201 .
[0032] In one embodiment, the inner wall of the inclined surface of the concrete dam body 1 is fixedly connected to the outer wall of the fixing plate 301 , and the lower side of the fixing plate 301 is fixedly connected to the bottom of the second reinforcement block 302 .
[0033] Specifically: the stability of the anti-scour frame 201 after laying is increased, and the impact resistance of the anti-scour frame 201 is increased.
[0034] In one embodiment, one side of the second reinforcement block 302 is fixedly connected to one side of the second trapezoidal support plate 303 , and the bottom of the second trapezoidal support plate 303 is fixedly connected to the inclined surface of the concrete dam body 1 .
[0035] Specifically, the impact force generated by the water flow is supported by the first reinforcement block 204 , the first trapezoidal support plate 205 , the second reinforcement block 302 and the second trapezoidal support plate 303 .
[0036] In one embodiment, a stabilizing groove is opened inside the second reinforcement block 302, and the inner wall of the stabilizing groove is movably connected to the outer wall of the reinforcement bolt 304, the outer wall of the reinforcement bolt 304 is threadedly connected to the inner wall of the reinforcement nut 305, and the outer wall of the reinforcement bolt 304 is movably connected to the inner wall of the first reinforcement block 204.
[0037] Specifically, the reinforcing nut 305 is stabilized on the outer wall of the reinforcing bolt 304 , so that the anti-scour frame 201 and the fixing plate 301 are stabilized.
[0038] Working principle: after the anti-scour frame 201 is constructed and laid on the inclined surface of the concrete dam body 1, the anti-scour frame 201 is located above the fixed plate 301, the first reinforcing block 204 and the second reinforcing block 302 are directly attached, the reinforcing bolt 304 is inserted into the inside of the first reinforcing block 204 and the second reinforcing block 302, the reinforcing nut 305 is stably arranged on the outer wall of the reinforcing bolt 304, so that the anti-scour frame 201 and the fixed plate 301 are stably arranged, when the water flow flows to the inclined surface of the concrete dam body 1, the water flow washes the outer wall of the wave-shaped anti-scour stone block 203, the water flow is buffered through the arrangement of the wave-shaped anti-scour stone block 203, when the water flow washes, the impact force generated by the water flow is supported through the first reinforcing block 204, the first trapezoidal supporting plate 205, the second reinforcing block 302 and the second trapezoidal supporting plate 303.
[0039] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.
Claims
1. A scour-resistant concrete dam structure, characterized in that: include: A concrete dam body (1) is provided with an anti-scour mechanism (2) on an inclined surface of the concrete dam body (1), the anti-scour mechanism (2) comprising an anti-scour frame (201), a groove (202), a wave-shaped anti-scour stone (203), a first reinforcement block (204) and a first trapezoidal support plate (205); and a reinforcement mechanism (3) is provided on the inclined surface of the concrete dam body (1), the reinforcement mechanism (3) comprising a fixing plate (301), a second reinforcement block (302), a second trapezoidal support plate (303), a reinforcement bolt (304) and a reinforcement nut (305).
2. The scour-resistant concrete dam structure according to claim 1, characterized in that: The inclined surface of the concrete dam body (1) is fixedly connected to the bottom of the anti-scour frame (201), and a groove (202) is provided inside the anti-scour frame (201).
3. The scour-resistant concrete dam structure according to claim 2, characterized in that: The anti-scour frames (201) are provided in multiple groups, and the multiple groups of anti-scour frames (201) are evenly arranged on the inclined surface of the concrete dam body (1). The inner wall of the groove (202) is fixedly connected to the bottom of the wave-shaped anti-scour stone (203).
4. The scour-resistant concrete dam structure according to claim 3, characterized in that: The side of the groove (202) located at the bottom is fixedly connected to one side of the first reinforcement block (204), and one side of the first reinforcement block (204) is fixedly connected to one side of the first trapezoidal support plate (205).
5. The scour-resistant concrete dam structure according to claim 4, characterized in that: A hollow groove is provided inside the first reinforcement block (204), and the bottom of the first trapezoidal support plate (205) is fixedly connected to the inner wall of the groove (202).
6. The scour-resistant concrete dam structure according to claim 1, characterized in that: The inner wall of the inclined surface of the concrete dam body (1) is fixedly connected to the outer wall of the fixing plate (301), and the lower side of the fixing plate (301) is fixedly connected to the bottom of the second reinforcement block (302).
7. The scour-resistant concrete dam structure according to claim 6, characterized in that: One side of the second reinforcement block (302) is fixedly connected to one side of the second trapezoidal support plate (303), and the bottom of the second trapezoidal support plate (303) is fixedly connected to the inclined surface of the concrete dam body (1).
8. The scour-resistant concrete dam structure according to claim 7, characterized in that: A stabilizing groove is provided inside the second reinforcing block (302), and the inner wall of the stabilizing groove is movably connected to the outer wall of the reinforcing bolt (304), the outer wall of the reinforcing bolt (304) is threadedly connected to the inner wall of the reinforcing nut (305), and the outer wall of the reinforcing bolt (304) is movably connected to the inner wall of the first reinforcing block (204).