CN210002360U - kinds of mountain gorge damming flood discharge structure - Google Patents
kinds of mountain gorge damming flood discharge structure Download PDFInfo
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- CN210002360U CN210002360U CN201920294129.6U CN201920294129U CN210002360U CN 210002360 U CN210002360 U CN 210002360U CN 201920294129 U CN201920294129 U CN 201920294129U CN 210002360 U CN210002360 U CN 210002360U
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Abstract
A flood discharge structure for damming a high mountain valley, which comprises flood discharge surface holes, flood discharge bottom holes, flood discharge surface hole accidents , flood discharge bottom hole accidents , flood discharge surface hole work and flood discharge bottom hole work , wherein the flood discharge surface holes and the flood discharge bottom holes are arranged in the same 0 horizontal plane and are arranged in a vertically separated manner, the flood discharge surface hole accidents and the flood discharge surface hole work are arranged in the flood discharge surface holes, the flood discharge bottom hole accidents and the flood discharge bottom hole work are arranged in the flood discharge bottom holes, the flood discharge bottom holes and the flood discharge surface holes are arranged in the same horizontal plane in a vertically separated manner, so that the single width flow of the flood discharge building can be effectively increased, the size of the flood discharge building can be reduced, the problem that the flood discharge valley is not arranged in a narrow river can be solved, and the erosion of the downstream river bed can be reduced.
Description
Technical Field
The utility model relates to a flood discharge field especially relates to kinds of mountain gorge damming flood discharge structure.
Background
The conventional concrete dam flood discharge building is arranged on a dam body or a joint part of the dam body and a bank slope, however, when the conventional dam body is adopted for discharging flood, the bank slope type flood discharge building needs to be arranged because the bank slope is narrow and the flood discharge building is not arranged, if a bank slope spillway is arranged, the problem of high side slope exists and the engineering investment is large, if a flood discharge hole is arranged, the flood discharge inlet and outlet high side slope exists and the flood discharge hole investment is , which is the same as the flood discharge hole investment.
According to geological and topographic conditions of canyon regions and the characteristics of concrete dams, the method for reducing the size of a flood discharge building is important technologies in engineering design.
SUMMERY OF THE UTILITY MODEL
The utility model provides an kind of mountain gorge dam-building flood discharge structure has solved the problem that the mountain gorge dam-building flood discharge difficulty, arranges flood discharge bottom hole and flood discharge surface hole separately from top to bottom in with horizontal plane, increases flood discharge building single wide flow, and low reaches surface hole rivers and bottom hole rivers hit each other and increase energy dissipation efficiency to the reduction erodees the low reaches riverbed, consequently, the utility model discloses a following technical scheme.
A kind of mountain gorge damming flood discharge structure, the structure includes flood discharge surface hole, flood discharge bottom hole, flood discharge surface hole accident , flood discharge bottom hole accident , flood discharge surface hole work and flood discharge bottom hole work , flood discharge surface hole with the flood discharge bottom hole is arranged in with horizontal plane and is divided from top to bottom and arranges, flood discharge surface hole accident with flood discharge surface hole work sets up in the flood discharge surface hole, flood discharge bottom hole accident with flood discharge bottom hole work sets up in the flood discharge bottom hole.
Preferably, the flood discharge surface hole is arranged above the flood discharge bottom hole.
Preferably, the flood discharge surface hole and the flood discharge bottom hole are in the same plane position of the dam body, and the flood discharge bottom hole is below the flood discharge surface hole.
Preferably, the structure further comprises an opening and closing device for opening and closing the flood discharge bottom hole .
Preferably, the opening and closing device is arranged inside the dam body.
Preferably, the opening and closing device is arranged above the flood discharge bottom hole work .
The utility model has the advantages that:
1. the flood discharge bottom holes and the flood discharge surface holes are arranged in the same horizontal plane in a vertically separated mode, single-width flow of flood discharge buildings can be effectively increased, the size of the flood discharge buildings is reduced, the problem that the flood discharge buildings cannot be arranged in narrow valleys is solved, and investment is reduced.
2. This design can also effectively increase energy dissipation efficiency through the collision of low reaches rivers, reduces to erode the low reaches riverbed.
Drawings
Fig. 1 is a schematic sectional view of the flood discharge structure for damming the high mountain canyon according to the present invention.
Reference numbers indicate that 1, a flood discharge meter hole accident , 2, a flood discharge bottom hole accident , 3, a meter hole flood discharge gate concrete gate pier, 4, a flood discharge meter hole work , 5, a dam body, 6, an opening and closing device, 7, a flood discharge bottom hole work , 8, a flood discharge meter hole, 9 and a flood discharge bottom hole.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1, a high mountain valley damming and flood discharging structure includes a flood discharging surface hole 8, a flood discharging bottom hole 9, a flood discharging surface hole accident , a flood discharging bottom hole accident , a flood discharging surface hole work and a flood discharging bottom hole work , the flood discharging surface hole and the flood discharging bottom hole are arranged in the same horizontal plane and are arranged vertically and separately, the flood discharging surface hole and the flood discharging bottom hole are arranged in the same plane of a dam body and below the flood discharging surface hole, the flood discharging surface hole accident and the flood discharging surface hole work are arranged in the flood discharging surface hole, the flood discharging surface hole accident and the flood discharging bottom hole work are arranged in the flood discharging bottom hole, the flood discharging surface hole is provided with a flood discharging surface gate concrete pier 3, the flood discharging surface hole work ensures that the flood discharging surface hole 368 surface hole work , the flood discharging surface hole work 369, the flood discharging surface hole work 465, the flood discharging surface hole 465, the flood discharging surface work 465, the flood discharging surface work, the flood discharging hole 465, the flood discharging surface work, the flood discharging bottom hole 465, the working, the flood discharging bottom hole 465, the flood discharging surface work, the flood discharging surface and the flood discharging bottom hole work, the water discharging bottom hole 465, the water flow rate of the water discharging surface work, the.
According to the requirements of upstream and downstream water levels and drainage capacity, the sizes of the required flood discharge meter holes and bottom holes, the height of the top of the meter holes and the height of the weir, the height of the bottom of the holes and the number of the required flood discharge meter holes and bottom holes are calculated, according to the height of the top of the meter holes and the height of the weir, the size of the orifices and the curve of the weir surface, a gate (meter holes and bottom holes working and accidents ) is arranged, and according to the requirements of the gate , the sizes and the positions of an opening and closing.
Flood discharge bottom holes and flood discharge surface holes are arranged in the same horizontal plane in a vertically separated mode, single-width flow of flood discharge buildings can be effectively increased, the size of the flood discharge buildings is reduced, the problem that the flood discharge buildings cannot be arranged in narrow river valleys is solved, and investment is reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not exemplified by herein.
Claims (6)
- The structure of discharging flood of damming of high mountain canyon of 1. kind, the structure includes flood discharge surface hole, flood discharge bottom hole, flood discharge surface hole accident , flood discharge bottom hole accident , flood discharge surface hole work and flood discharge bottom hole work , its characterized in that, flood discharge surface hole with the flood discharge bottom hole is arranged in with horizontal plane and separately from top to bottom arrange, flood discharge surface hole accident with flood discharge surface hole work sets up in the flood discharge surface hole, flood discharge bottom hole accident with flood discharge bottom hole work sets up in the flood discharge bottom hole.
- 2. The kind of mountain canyon damming flood discharge structure of claim 1, wherein said flood discharge surface hole is disposed above said flood discharge bottom hole.
- 3. The kind of mountain canyon damming and flood-discharging structure of claim 2, wherein said flood-discharging surface holes and said flood-discharging bottom holes are located at the same plane position of the dam body, and said flood-discharging bottom holes are located below said flood-discharging surface holes.
- 4. The kind of mountain canyon damming flood-discharging structure of claim 1, wherein said structure further comprises an opening and closing means for opening and closing said flood-discharging bottom hole .
- 5. The kind of mountain canyon damming and flood-discharging structure of claim 4, wherein said opening and closing means is disposed inside the dam body.
- 6. The kind of mountain canyon damming flood-discharging structure of claim 4, wherein said opening and closing means is disposed above said flood-discharging bottom hole working .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294129.6U CN210002360U (en) | 2019-03-08 | 2019-03-08 | kinds of mountain gorge damming flood discharge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920294129.6U CN210002360U (en) | 2019-03-08 | 2019-03-08 | kinds of mountain gorge damming flood discharge structure |
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| CN210002360U true CN210002360U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920294129.6U Active CN210002360U (en) | 2019-03-08 | 2019-03-08 | kinds of mountain gorge damming flood discharge structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501682A (en) * | 2020-05-18 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Flood discharge orifice multilayer asymmetric arrangement method suitable for high arch dam |
| CN111945681A (en) * | 2020-09-09 | 2020-11-17 | 张靖 | Compound continuous step spillway and implementation method thereof |
| CN112281770A (en) * | 2020-11-16 | 2021-01-29 | 武汉大学 | Flood discharge structure adopting bottom hole and surface hole combined flood discharge and energy dissipation |
-
2019
- 2019-03-08 CN CN201920294129.6U patent/CN210002360U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501682A (en) * | 2020-05-18 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Flood discharge orifice multilayer asymmetric arrangement method suitable for high arch dam |
| CN111945681A (en) * | 2020-09-09 | 2020-11-17 | 张靖 | Compound continuous step spillway and implementation method thereof |
| CN112281770A (en) * | 2020-11-16 | 2021-01-29 | 武汉大学 | Flood discharge structure adopting bottom hole and surface hole combined flood discharge and energy dissipation |
| CN112281770B (en) * | 2020-11-16 | 2022-01-25 | 武汉大学 | Flood discharge structure adopting bottom hole and surface hole combined flood discharge and energy dissipation |
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