CN116657561A - Energy dissipation structure shared by diversion tunnel and spillway - Google Patents
Energy dissipation structure shared by diversion tunnel and spillway Download PDFInfo
- Publication number
- CN116657561A CN116657561A CN202310965830.7A CN202310965830A CN116657561A CN 116657561 A CN116657561 A CN 116657561A CN 202310965830 A CN202310965830 A CN 202310965830A CN 116657561 A CN116657561 A CN 116657561A
- Authority
- CN
- China
- Prior art keywords
- stilling pool
- pool section
- spillway
- section
- diversion tunnel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims abstract description 14
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses an energy dissipation structure shared by a diversion tunnel and a spillway, which comprises a first stilling pool section and a second stilling pool section, wherein the head end of the first stilling pool section is connected with an outlet section of the diversion tunnel, the head end of the second stilling pool section is connected with the outlet section of the spillway, the tail ends of the first stilling pool section and the second stilling pool section are connected with a sea surface, slope protection is arranged on two sides of the sea surface, and an anti-flushing groove is arranged on the tail end of the sea surface. The invention is suitable for the hydraulic engineering with diversion holes and spillways arranged on the same side of the river course, and the diversion holes and the spillways share one energy dissipation facility, so that the diversion problem of the reservoir basin in the construction period can be solved, the interference of the flood in the construction period on the reservoir basin can be reduced, the drainage of the reservoir flood in the operation period can be solved, the engineering investment is reduced, and the maintenance and the overhaul are convenient.
Description
Technical Field
The invention belongs to the technical field of hydraulic engineering, and particularly relates to an energy dissipation structure shared by a diversion tunnel and a spillway.
Background
In hydraulic engineering, a diversion tunnel is one of important temporary hydraulic engineering buildings, and a spillway is a permanent hydraulic engineering building for releasing flood in the engineering operation period. Because of the fall between the upstream and the downstream, the hydraulic engineering buildings are required to be provided with a stilling pool to prevent downstream river channels from being scoured and damaged. The diversion tunnel is generally plugged in the subsequent construction of the traditional engineering, so that the energy dissipation building at the outlet of the diversion tunnel is dismantled, and the waste of engineering resources is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing an energy dissipation structure shared by a diversion tunnel and a spillway, which is suitable for hydraulic engineering with the diversion tunnel and the spillway arranged on the same side of a river channel, and can enable the diversion tunnel and the spillway to share the same energy dissipation structure.
The technical scheme adopted by the invention is as follows: the utility model provides a diversion tunnel and spillway shared energy dissipation structure, includes first stilling pool section and second stilling pool section, and the head end of first stilling pool section links to each other with diversion tunnel export section, and the head end of second stilling pool section links to each other with spillway export section, the end of first stilling pool section and second stilling pool section all is connected with the sea is diffuse, and the both sides of sea is diffuse are provided with the bank protection, the tail end of sea is diffuse is provided with the anti-flushing groove.
Preferably, a tail ridge is further arranged at the joint of the head end of the sea water flow, the first stilling pool section and the second stilling pool section.
The invention has the beneficial effects that:
(1) The temporary facility diversion tunnel and the permanent facility spillway share one energy dissipation facility, so that the construction cost is effectively saved, and the construction period is shortened;
(2) After the diversion tunnel is plugged, the diversion tunnel outlet stilling pool section can be reserved as a later-stage overhaul port, so that the damage and blockage parts of the spillway system and the energy dissipation facility can be overhauled conveniently.
The invention is suitable for the hydraulic engineering with diversion holes and spillways arranged on the same side of the river course, and the diversion holes and the spillways share one energy dissipation facility, so that the diversion problem of the reservoir basin in the construction period can be solved, the interference of the flood in the construction period on the reservoir basin can be reduced, the drainage of the reservoir flood in the operation period can be solved, the engineering investment is reduced, and the maintenance and the overhaul are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a first stilling pool section; 2. a second stilling pool section; 3. a tail ridge; 4. sea diffusion; 5. slope protection; 6. and (5) preventing notching.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
Examples
As shown in fig. 1, the energy dissipation structure shared by the diversion tunnel and the spillway provided by the embodiment comprises a first stilling pool section 1 and a second stilling pool section 2, wherein the head end of the first stilling pool section 1 is connected with the diversion tunnel outlet section, the head end of the second stilling pool section 2 is connected with the spillway outlet section, the tail ends of the first stilling pool section 1 and the second stilling pool section 2 are connected with the spillway 4, slope protection 5 is arranged on two sides of the spillway 4, an anti-flushing groove 6 is arranged at the tail end of the spillway 4, and a tail ridge 3 is further arranged at the joint of the head end of the spillway 4 and the first stilling pool section 1 and the second stilling pool section 2.
The first stilling pool section 1 and the second stilling pool section 2 are mainly used for reducing impact force during flood overflow and diversion respectively so as to prevent water flow from damaging the surrounding environment, after the water flow passes through the first stilling pool section 1 and the second stilling pool section 2, the bottom flow velocity is large, the turbulence intensity is higher than that of uniform flow, the river bed still has large scouring capacity, the attenuation process of the water flow turbulence can be accelerated by arranging coarse stones or the sea 4 paved by concrete blocks with uneven surfaces, meanwhile, in order to protect the foundation of the sea 4 from being damaged, an anti-flushing groove 6 is designed behind the sea 4, the anti-flushing groove 6 is mostly in a shallow and wide shape, the groove depth is generally 1.5-2.5m, and the bottom width is 2-3 times of the depth.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and substitution based on the technical scheme and the inventive concept provided by the present invention should be covered in the scope of the present invention.
Claims (2)
1. The utility model provides a diversion tunnel and spillway sharing's energy dissipation structure which characterized in that: including first stilling pool section (1) and second stilling pool section (2), the head end of first stilling pool section (1) links to each other with diversion tunnel export section, and the head end of second stilling pool section (2) links to each other with spillway export section, the end of first stilling pool section (1) and second stilling pool section (2) all is connected with sea diffuser (4), and the both sides of sea diffuser (4) are provided with bank protection (5), the tail end of sea diffuser (4) is provided with anti-flushing groove (6).
2. The energy dissipating structure shared by a diversion tunnel and a spillway as set forth in claim 1, wherein: the connection part of the head end of the sea surface (4) and the first stilling pool section (1) and the second stilling pool section (2) is also provided with a tail ridge (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310965830.7A CN116657561B (en) | 2023-08-02 | 2023-08-02 | Energy dissipation structure shared by diversion tunnel and spillway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310965830.7A CN116657561B (en) | 2023-08-02 | 2023-08-02 | Energy dissipation structure shared by diversion tunnel and spillway |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116657561A true CN116657561A (en) | 2023-08-29 |
| CN116657561B CN116657561B (en) | 2023-12-01 |
Family
ID=87715801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310965830.7A Active CN116657561B (en) | 2023-08-02 | 2023-08-02 | Energy dissipation structure shared by diversion tunnel and spillway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116657561B (en) |
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| CN212077859U (en) * | 2020-01-17 | 2020-12-04 | 陕西省水利电力勘测设计研究院 | Tunnel structure capable of being used for diversion, flood discharge and emptying |
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| CN112832210A (en) * | 2021-02-25 | 2021-05-25 | 中国电建集团北京勘测设计研究院有限公司 | Drainage energy dissipation building shared by outlets of two drainage tunnels in parallel arrangement on axis |
| CN115198698A (en) * | 2022-07-14 | 2022-10-18 | 中水君信工程勘察设计有限公司 | Hydraulic and hydroelectric engineering concrete dam crack treatment equipment and process |
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2023
- 2023-08-02 CN CN202310965830.7A patent/CN116657561B/en active Active
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| CN204589947U (en) * | 2015-03-26 | 2015-08-26 | 中国水利水电科学研究院 | A kind of current stabilization anti-attrition absorption basin |
| CN104895022A (en) * | 2015-05-26 | 2015-09-09 | 中国电建集团中南勘测设计研究院有限公司 | Shaft structure communicated with release structures and flood discharge method |
| WO2017119001A1 (en) * | 2016-01-08 | 2017-07-13 | Vartak Taraprakash | Novel arrangements for installing hydropower plant on irrigation canal falls |
| CN206256431U (en) * | 2016-11-29 | 2017-06-16 | 王军霞 | The structure that a kind of diversion tunnel and flood discharging tunnel are combined |
| RU2659242C1 (en) * | 2017-06-19 | 2018-06-29 | федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" | Anti-flood mobile section |
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| CN209779577U (en) * | 2019-02-20 | 2019-12-13 | 中国电建集团北京勘测设计研究院有限公司 | Outlet energy dissipation arrangement structure for concentrated arrangement of different water release structures on shore in hydroelectric engineering |
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| Publication number | Publication date |
|---|---|
| CN116657561B (en) | 2023-12-01 |
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