CN210621642U - Drainage structure for high-speed flow area of stilling pool - Google Patents
Drainage structure for high-speed flow area of stilling pool Download PDFInfo
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- CN210621642U CN210621642U CN201921404638.6U CN201921404638U CN210621642U CN 210621642 U CN210621642 U CN 210621642U CN 201921404638 U CN201921404638 U CN 201921404638U CN 210621642 U CN210621642 U CN 210621642U
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- drainage
- absorption basin
- bottom plate
- floral tube
- stilling pool
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Abstract
The utility model discloses a drainage structures for high-speed rivers district of absorption basin, including building absorption basin bottom plate, absorption basin side wall on the basement rock, set up drainage steel floral tube on the absorption basin bottom plate, drainage steel floral tube is connected with the wash port in the basement rock, and drainage steel floral tube is inside to be filled with the rubble by geotechnological cloth parcel, and drainage steel floral tube top is provided with the semi-circular steel cap of detachable, can dismantle semi-circular steel cap and be provided with the apopore in the same direction as rivers direction downstream side. The utility model discloses avoided high-lift pressure of absorption basin bottom and high-speed rivers pulsating pressure to destroy the absorption basin bottom plate, the investment is saved, safe and reliable, the management operation is convenient.
Description
Technical Field
The utility model relates to a drainage structures, especially a drainage structures that is used for high-speed rivers district of absorption basin.
Background
The water conservancy energy dissipation facility plays an important role as an important component of a water conservancy project, wherein the stilling pool is the most common energy dissipation building, and in the design of the stilling pool, the anti-floating stability of the stilling pool is a troublesome problem because the water level at the downstream of the stilling pool is too high. Common anti-floating measures, such as increasing the thickness of the bottom plate of the stilling pool and the size of the side wall of the stilling pool to increase the weight of the whole stilling pool to resist overlarge uplift pressure, wherein the thickness of the bottom plate of some stilling pools reaches more than 6-8 m, the defects are that the engineering quantity is increased, the temperature control difficulty of concrete is increased due to the overlarge volumes of the bottom plate and the side wall of the stilling pool, cracks are difficult to avoid, and the structural safety of the stilling pool is influenced; the second method is to add anchor bars, even anchor bar piles and anchor cables, and has the disadvantages of multiple construction procedures, long construction period and large investment, and the third method is to drill drain holes on the bottom plate of the stilling pool, but the pulsating pressure generated by the high-speed water flow of the stilling pool enters the drain holes to cause the damage of the bottom plate of the stilling pool. How to avoid the high-speed bottom flowing water from entering the drainage pipe and avoid the stilling pool from being damaged becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem be, provide a drainage structures for the high-speed rivers district of stilling pool, this structure has avoided underflow pulse rivers to get into in the stilling pool bottom plate drainage steel pipe, the effectual destruction that has prevented stilling pool bottom plate and arouse because of pulse rivers pressure, and the removable maintenance of filler in the drainage steel pipe.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is: the utility model provides a drainage structures for high-speed rivers district of absorption basin, is including building absorption basin bottom plate, the absorption basin side wall on the bed rock, sets up drainage steel floral tube on the absorption basin bottom plate, and drainage steel floral tube is connected with the wash port in the bed rock, and the inside rubble that is filled with by geotechnological cloth parcel of drainage steel floral tube, and drainage steel floral tube top is provided with the semi-circular steel cap of detachable, and the semi-circular steel cap of detachable is provided with the apopore along water flow direction downstream side.
The pipe diameter of the drainage steel perforated pipe is 100-150 mm, the wall thickness is 3-5 mm, and the height of the exposed stilling pool bottom plate is 40-50 mm.
The downstream side of the detachable semicircular steel cap is provided with a water outlet with the aperture of 5-10 mm.
The particle size of the crushed stone is 40-80 mm.
The utility model has the advantages that: the high-lift pressure at the bottom of the stilling pool and the high-speed water flow pulsating pressure are prevented from damaging the bottom plate of the stilling pool, the stilling pool is safe and reliable, and the filler in the drainage steel pipe can be replaced and maintained.
Drawings
Fig. 1 is a drainage structure diagram for the high-speed flow area of the stilling pool of the present invention.
Fig. 2 is the structural schematic diagram of the water discharging flower steel pipe of the present invention.
Detailed Description
The invention will be described in further detail with reference to the following drawings and embodiments:
as shown in fig. 1 and 2, the utility model discloses a drainage structures for high-speed rivers district of absorption basin, including building absorption basin bottom plate 6 on basement rock 9, absorption basin side wall 7, set up drainage steel floral tube 1 on absorption basin bottom plate 6, drainage steel floral tube 1 is connected with wash port 8 in the basement rock, and drainage steel floral tube 1 is inside to be filled with the rubble 3 by geotechnological cloth 2 parcel, and drainage steel floral tube 1 top is provided with detachable semi-circular steel cap 4, can dismantle semi-circular steel cap 4 and be provided with apopore 5 in the same direction as the water flow direction downstream side.
The pipe diameter of the drainage steel perforated pipe 1 is 100-150 mm, the wall thickness is 3-5 mm, and the height of the exposed stilling pool bottom plate 6 is 40-50 mm. And a water outlet hole 5 with the aperture of 5-10 mm is arranged at the downstream side of the detachable semicircular steel cap 4. The particle size of the broken stone 3 is 40-80 mm.
The following is a supplementary description of the above:
when the bottom of the stilling pool flows, the water outlet hole arranged at the downstream side of the detachable semicircular steel cap along the water flow prevents the water flow from directly rushing into the drainage perforated steel pipe, so that the smooth discharge of bedrock crack water, upstream seepage water and the like at the lower part of the floor of the stilling pool can be ensured, and the uplift pressure below the bottom plate of the stilling pool is reduced; the broken stone wrapped by the geotextile is filled in the drainage steel pipe, the drain hole is separated from the fine particle precipitate in the stilling pool, the phenomenon that the fine particle precipitate in the stilling pool blocks the drain hole is avoided, and the later-stage replacement and maintenance are facilitated.
The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention should not be limited by the embodiment, i.e. all equivalent changes or modifications made by the spirit of the present invention are still within the scope of the present invention.
Claims (4)
1. The utility model provides a drainage structures for high-speed rivers district of absorption basin, including building absorption basin bottom plate (6), absorption basin side wall (7) on basement rock (9), its characterized in that sets up drainage steel floral tube (1) on absorption basin bottom plate (6), drainage steel floral tube (1) is connected with wash port (8) in the basement rock, the inside rubble (3) of being filled by geotechnological cloth (2) parcel of drainage steel floral tube (1), drainage steel floral tube (1) top is provided with detachable semi-circular steel cap (4), detachable semi-circular steel cap (4) are provided with apopore (5) along the rivers direction downstream side.
2. The drainage structure for the high-speed flow area of the stilling pool according to claim 1, wherein the pipe diameter of the drainage steel perforated pipe (1) is 100-150 mm, the wall thickness is 3-5 mm, and the height of the bottom plate (6) of the stilling pool exposed is 40-50 mm.
3. The drainage structure for the high-speed flow area of the stilling pool as claimed in claim 1, wherein the downstream side of the detachable semicircular steel cap (4) is provided with a water outlet hole (5) with the diameter of 5-10 mm.
4. The drainage structure for the high-speed flow area of the stilling pool as claimed in claim 1, wherein the crushed stone (3) has a particle size of 40-80 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404638.6U CN210621642U (en) | 2019-08-27 | 2019-08-27 | Drainage structure for high-speed flow area of stilling pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404638.6U CN210621642U (en) | 2019-08-27 | 2019-08-27 | Drainage structure for high-speed flow area of stilling pool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210621642U true CN210621642U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921404638.6U Active CN210621642U (en) | 2019-08-27 | 2019-08-27 | Drainage structure for high-speed flow area of stilling pool |
Country Status (1)
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| CN (1) | CN210621642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059511A (en) * | 2021-12-16 | 2022-02-18 | 中国电建集团贵阳勘测设计研究院有限公司 | Broken stone pile foundation stilling pool on deep covering layer and construction method |
-
2019
- 2019-08-27 CN CN201921404638.6U patent/CN210621642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059511A (en) * | 2021-12-16 | 2022-02-18 | 中国电建集团贵阳勘测设计研究院有限公司 | Broken stone pile foundation stilling pool on deep covering layer and construction method |
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