CN206157683U - High water head, many silt, overburden basis sluice dissipation structure - Google Patents
High water head, many silt, overburden basis sluice dissipation structure Download PDFInfo
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- CN206157683U CN206157683U CN201621180376.6U CN201621180376U CN206157683U CN 206157683 U CN206157683 U CN 206157683U CN 201621180376 U CN201621180376 U CN 201621180376U CN 206157683 U CN206157683 U CN 206157683U
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Abstract
The utility model provides a high water head, many silt, overburden basis sluice dissipation structure, smooth including setting gradually protecting of the bottom plate low reaches of lock chamber, the bottom plate that protects smooth head end and lock chamber links up mutually, protects smooth end and is equipped with impact -proof wall, protects smooth low reaches and sets up to dig in advance and dash the hole, sets up precast concrete bottom protection at the bottom of digging the hole that dashes the hole in advance, and its downstream side passes through slope and downstream river channel linking, and the downstream side also sets up precast concrete bottom protection, it sets up the scour protection groove to dig the end that dashes the hole in advance, it sets up the concrete guide wall to protect smooth both sides. This simple structure, construction convenience to have absorption basin's characteristic, both improved the energy dissipation ratio who time sluices and flow, can guarantee again that silt goes out the pond smoothly, does not exist bottom plate stability problem.
Description
Technical field
The utility model is related to high water head, high concentration of sediment, the energy-dissipating structure of coating basis sluice, it is adaptable to water conservancy and hydropower work
Journey.
Background technology
According to《Water sluice project》Underflow energy dissipation, disspation through hydraudic jimp is preferably adopted typically to adopt stiling basin+sea under sluice lock
Unrestrained+anti-scour trench（Or anti-scour wall）.According to Tailwater Depth under lock and the magnitude relationship of water depth after jump, stiling basin can be disappeared using lower digging formula
Power pond, the prominent composite type stiling basin of bank formula stiling basin and lower digging formula in combination with prominent bank formula stiling basin.According to southwest
Case history is built, for fully-loaded stream, coating basis sluice, to prevent erosive wear of the silt to stiling basin, while examining
The stable problem of stiling basin tail bank is considered, generally using flat long protection-apron+stone-laying apron+anti-scour trench（Or anti-scour wall）Energy dissipating.
Model test and built engineering prototype observed result show：
1st, stiling basin+apron+anti-scour trench（Or anti-scour wall）Scheme：Most of energy can be concentrated and be dissipated in power by the program
In pond, and go out pond flow-shape and substantially adjusted, go out pond uniform fluid flow, flow velocity is relatively low, and mitigation is washed away to downstream river course, reaches
The purpose of energy dissipating.But for fully-loaded stream, the sluice on coating basis, stiling basin scheme is entered due to the presence of tail bank
Coarse sediment or pieces of an egg stone in pond is difficult to flow out pond with water, and rolls with current in pond, will be to stiling basin concrete table
Face produces erosive wear, in addition, stiling basin tail bank is stably difficult to ensure in the presence of water flow impact pressure.
2nd, flat long protection-apron+stone-laying apron+anti-scour trench（Or anti-scour wall）Scheme：The program is in protection-apron by lockage current
Smoothly transition after the appropriate divergent flow of section, current have a hydraulic jump near apron end（Chopping jump or weak hydraulic jump）Occur, jump
Front section typically on protection-apron, hydraulic jump dissipation portion of energy.Hereafter, the lower stream bottom that sluices with stone-laying apron by rubbing and hitting
Hit, and dissipation portion of energy.After stone-laying apron section, incision riverbed forms punching hole to current, and is dissipated portion by submerged hydraulic jump
After dividing energy, downstream river course will be sent into the current of certain surface low speed.The program due on protection-apron hydraulic jump only dissipate part energy
Amount, apron end water body list width energy is still higher, and most of energy is dissipated by apron and downstream river course.Model test and built
Case history shows that for high water head sluice, apron end easily forms punching hole to the program, counter to draw apron end basis, threatens
Lock chamber safety.
The content of the invention
The technical problems to be solved in the utility model is：The conventional energy-dissipating structure of current sluice is furtherd investigate, for the power that disappears
Pond+apron+anti-scour trench（Or anti-scour wall）Scheme, flat long protection-apron+stone-laying apron+anti-scour trench（Or anti-scour wall）What scheme was present
Problem, there is provided a kind of high water head, high concentration of sediment, coating basis sluice energy-dissipating structure, the simple structure, easy construction, and have
There is the feature of stiling basin, both improve the energy dissipation rate of the lower stream that sluices, can guarantee that silt smoothly goes out pond again, there is no base slab stability and ask
Topic.
The utility model solves the technical scheme that adopted of above-mentioned technical problem：A kind of high water head, high concentration of sediment, coating
Basic sluice energy-dissipating structure, described sluice energy-dissipating structure includes the protection-apron in the base plate downstream for being successively set on lock chamber, protection-apron
Head end is mutually connected with the base plate of lock chamber, and the end of protection-apron is provided with anti-scour wall, and the downstream of protection-apron arranges pre- digging and rushes hole, pre- to dig what punching was cheated
Hole bottom arranges precast concrete river bottom protection, and downstream side is connected by slope with downstream river course, and downstream is also provided with concrete
Native river bottom protection, the pre- end for digging punching hole arranges anti-scour trench, and the both sides of the protection-apron arrange concrete guide wall.
The protection-apron is reinforced concrete structure, long 40 ~ 60m, and the gradient is not suddenly in 1：4, it is ensured that energy dissipating area is away from lock chamber.
The apron end, if 1 ~ 2 road anti-scour wall, the anti-scour wall is reinforced concrete structure, for protecting current anti-
Naughty lock chamber.
The pre- punching hole downstream of digging passes through not suddenly in 1：5 slope is connected with downstream river course, and its upstream side is protection-apron, is cheated
Bottom and downstream are precast concrete block, the feature with stiling basin, but not there is a problem of that base plate is unstable, at lock chamber end
End forms deep " Energy-Dissipation Ponds " of 4 ~ 10m, forms energy dissipating water body, and pool length, the pool verify that current are through lock especially by model test deeply
Room, protection-apron reach digging in advance and rush behind hole, and hydraulic jump dissipation major part energy is formed in pre- digging is rushed and cheated, and punching is dug in advance and cheats end setting gentle slope
Ensure that coarse sediment or pieces of an egg stone in the pool flow out the pool with water.
The precast concrete river bottom protection is the tetrahedron xoncrete structure river bottom protection that four pieces of face bodies are spliced, that is to say, that
Hole bottom and downstream adopt precast concrete tetrahedral structure, monolithic volume about 2.5m3, current by with precast concrete river bottom protection
Friction and shock, dissipate most of energy.
The anti-scour trench is the bulk stone structure with certain particle diameter, and for protecting pre- digging punching to cheat, end is counter to wash in a pan.
The beneficial effects of the utility model are：1st, the utility model by sluice disspation through hydraudic jimp commonly use stiling basin+apron+
Anti-scour trench（Or anti-scour wall）Scheme and flat long protection-apron+stone-laying apron+anti-scour trench（Or anti-scour wall）Scheme combines, and integrates
The advantage of two schemes, the stiling basin structure to commonly using is improved, and forms protection-apron+pre- digging and rushes hole+anti-scour wall+erosion control slot structure,
The structure has the feature of stiling basin structure, it is ensured that the energy dissipation rate of the lower stream that sluices, and alleviates to downstream river course riverbed and side slope
Wash away；2nd, because Energy-Dissipation Pond of the present utility model has the feature of stiling basin, pool flow rate of water flow is gone out less, it is to avoid to downstream river
The scour in road, reduces river course slope protection length, reduces construction costs；3rd, pre- punching hole first and last end of digging sets gentle slope in the utility model,
Ensure that coarse sediment or pieces of an egg stone in the pool flow out the pool with water, reduce coarse sediment or the alluvial of pieces of an egg stone；4th, this reality
Punching hole hole bottom is dug with pre- in new and downstream adopts precast concrete tetrahedron river bottom protection, alleviate shadow of the release flood vibration to sluice
Ring, while there is no the stable problem of base plate.
Description of the drawings
Fig. 1 is profile of the present utility model.
Fig. 2 is the tetrahedral profile of precast concrete of the present utility model.
The Section A-A figure of Fig. 3 bitmaps 2.
Specific embodiment
As Figure 1-3, the present embodiment be a kind of high water head, fully-loaded stream, coating basis sluice energy-dissipating structure,
Stiling basin+apron+the anti-scour trench commonly used in structural integrity sluice disspation through hydraudic jimp（Or anti-scour wall）Scheme and flat long protection-apron
+ stone-laying apron+anti-scour trench（Or anti-scour wall）The advantage of scheme, is improved to conventional stiling basin structure, forms protection-apron+pre- digging
Punching hole+anti-scour wall+anti-scour trench.
The present embodiment includes lock chamber 1, and is set in turn in the protection-apron 2 in the base plate downstream of lock chamber 1, the head end and lock of protection-apron 2
The base plate of room 1 is mutually connected, and its end is provided with anti-scour wall 5, and the downstream of protection-apron 2 arranges and dig in advance punching hole 3, and the hole bottom in pre- digging punching hole 3 sets
Precast concrete river bottom protection 4 is put, the pre- downstream for digging punching hole 3 is connected by slope with downstream river course, and downstream side is also provided with prefabricated
Concrete river bottom protection 4, the pre- end for digging punching hole 3 arranges anti-scour trench 6, and in the both sides of protection-apron 2 concrete guide wall 7 is provided with.
Protection-apron 2 is reinforced concrete structure, long 40 ~ 60m, and the gradient is not suddenly in 1：4, it is ensured that energy dissipating area is away from lock chamber.
The anti-scour wall 5 is reinforced concrete structure, arranges 1 ~ 2 road in the end of the protection-apron 2, and for protecting, current are counter to be washed in a pan
Lock chamber.
Pre- 3 downstreams of punching hole of digging pass through not suddenly in 1：5 slope is connected with downstream river course.Current are through lock chamber 1, protection-apron 2
Reach and dig in advance behind punching hole 3, the most of energy of hydraulic jump dissipation is formed in pre- digging punching hole.It is pre- dig 3 ends of punching hole set gentle slope ensure into
The coarse sediment or pieces of an egg stone entered in the pool flows out the pool with water.
The precast concrete river bottom protection 4 is the tetrahedron xoncrete structure that four pieces of face bodies are spliced, and monolithic volume is about
2.5m3, by rubbing and clashing into precast concrete river bottom protection 4, dissipate current most of energy.
The anti-scour trench is the bulk stone structure with certain particle diameter, and for protecting pre- digging punching to cheat, end is counter to wash in a pan.
The architectural feature of the present embodiment and the effect played in energy dissipation are specific as follows：
A, protection-apron.Protection-apron 2 is reinforced concrete structure, it is ensured that energy dissipating area arranges anti-scour wall 5 away from lock chamber, apron end.
Apron slope is not suddenly in 1:4, used as the pre- upstream face for digging punching hole, end is provided with anti-scour wall 5.
B, pre- digging rush hole 3.Pre- 3 upstream sides of punching hole of digging are protection-apron 2, and hole bottom and downstream are protected for precast concrete block 4,
With stiling basin feature, but not there are problems that base slab stability, be similar to one kind " Energy-Dissipation Pond ", form energy dissipating water body, the pool is deep with 4 ~ 10m
It is advisable, pool length, the pool can be determined by model test deeply.Pre- 3 downstreams of punching hole of digging pass through not suddenly in 1：5 slope and downstream river course
Linking.Current are rushed in hole in pre- digging and form hydraulic jump dissipation major part energy after lock chamber 1, protection-apron 2 reach pre- digging punching hole 3.In advance
3 ends of digging punching hole set gentle slope and ensure the coarse sediment entered in the pool or pieces of an egg stone with the water outflow pool.
C, precast concrete tetrahedron 4.Precast concrete tetrahedron 4 be xoncrete structure, monolithic volume about 2.5m3, water
By rubbing and clashing into precast concrete tetrahedron 4, dissipate stream most of energy.
D, anti-scour wall 5.Anti-scour wall 5 is reinforced concrete structure, for protecting current instead to wash in a pan lock chamber.
E, anti-scour trench 6.Anti-scour trench 6 is the bulk stone structure with certain particle diameter, for protecting anti-washing in a pan dig in advance punching hole end.
The sluice on high water head, fully-loaded stream and coating basis is built in, by the setting of energy dissipater in the present embodiment, water
The most energy of stream that sluice under lock are dissipated, and current smooth-going imports downstream river course, to downstream river course riverbed and side slope harm
Mitigate significantly.
Claims (6)
1. a kind of basic sluice energy-dissipating structure of high water head, high concentration of sediment, coating, including lock chamber（1）, it is characterised in that：Described
Sluice energy-dissipating structure includes being successively set on lock chamber（1）Base plate downstream protection-apron（2）, protection-apron（2）Head end and lock chamber（1）'s
Base plate is mutually connected, protection-apron（2）End be provided with anti-scour wall（5）, protection-apron（2）Downstream arrange and pre- dig punching hole（3）, it is pre- to dig punching hole
（3）Hole bottom arrange precast concrete river bottom protection（4）, downstream side is connected by slope with downstream river course, and downstream is also provided with
Precast concrete river bottom protection（4）, the pre- digging punching hole（3）End arrange anti-scour trench（6）, the protection-apron（2）Both sides arrange mixed
Solidifying soil leads wall（7）, it is adaptable to Hydraulic and Hydro-Power Engineering.
2. a kind of high water head according to claim 1, high concentration of sediment, coating basis sluice energy-dissipating structure, it is characterised in that：
Protection-apron（2）For reinforced concrete structure, long 40 ~ 60m, the gradient is not suddenly in 1：4.
3. a kind of high water head according to claim 1, high concentration of sediment, coating basis sluice energy-dissipating structure, it is characterised in that：
The anti-scour wall（5）For reinforced concrete structure, 1 ~ 2 road is set in the protection-apron（2）End.
4. a kind of high water head according to claim 1, high concentration of sediment, coating basis sluice energy-dissipating structure, it is characterised in that：
It is pre- to dig punching hole（3）Downstream passes through not suddenly in 1：5 slope is connected with downstream river course.
5. a kind of high water head according to claim 1, high concentration of sediment, coating basis sluice energy-dissipating structure, it is characterised in that：
The precast concrete river bottom protection（4）For the tetrahedron xoncrete structure that four pieces of face bodies are spliced, monolithic volume about 2.5m3, water
Stream by with precast concrete river bottom protection（4）Friction and shock, dissipate most of energy.
6. a kind of high water head according to claim 1, high concentration of sediment, coating basis sluice energy-dissipating structure, it is characterised in that：
The anti-scour trench（6）For bulk stone structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621180376.6U CN206157683U (en) | 2016-10-27 | 2016-10-27 | High water head, many silt, overburden basis sluice dissipation structure |
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| CN201621180376.6U CN206157683U (en) | 2016-10-27 | 2016-10-27 | High water head, many silt, overburden basis sluice dissipation structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288105A (en) * | 2017-07-11 | 2017-10-24 | 浙江省水利水电勘测设计院 | A kind of special-shaped block energy-dissipating structure |
| CN109356091A (en) * | 2018-11-21 | 2019-02-19 | 中国电建集团成都勘测设计研究院有限公司 | Mountain stream river levee engineering |
| CN109505343A (en) * | 2018-12-12 | 2019-03-22 | 中国建筑第八工程局有限公司 | Drain the row mouthful reconstruction structure secretly contained |
| CN109778801A (en) * | 2019-03-19 | 2019-05-21 | 四川大学 | A kind of counter-slope formula apron |
| CN110004890A (en) * | 2019-03-27 | 2019-07-12 | 昆明理工大学 | A kind of roller energy dissipator |
| CN110700207A (en) * | 2019-10-16 | 2020-01-17 | 中交第三航务工程勘察设计院有限公司 | Fabricated sluice stilling basin structure on soft soil foundation and construction method thereof |
-
2016
- 2016-10-27 CN CN201621180376.6U patent/CN206157683U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288105A (en) * | 2017-07-11 | 2017-10-24 | 浙江省水利水电勘测设计院 | A kind of special-shaped block energy-dissipating structure |
| CN109356091A (en) * | 2018-11-21 | 2019-02-19 | 中国电建集团成都勘测设计研究院有限公司 | Mountain stream river levee engineering |
| CN109356091B (en) * | 2018-11-21 | 2024-01-19 | 中国电建集团成都勘测设计研究院有限公司 | Mountain stream river embankment project |
| CN109505343A (en) * | 2018-12-12 | 2019-03-22 | 中国建筑第八工程局有限公司 | Drain the row mouthful reconstruction structure secretly contained |
| CN109505343B (en) * | 2018-12-12 | 2024-01-23 | 中国建筑第八工程局有限公司 | Drainage mouth reconstruction structure of drainage culvert |
| CN109778801A (en) * | 2019-03-19 | 2019-05-21 | 四川大学 | A kind of counter-slope formula apron |
| CN110004890A (en) * | 2019-03-27 | 2019-07-12 | 昆明理工大学 | A kind of roller energy dissipator |
| CN110700207A (en) * | 2019-10-16 | 2020-01-17 | 中交第三航务工程勘察设计院有限公司 | Fabricated sluice stilling basin structure on soft soil foundation and construction method thereof |
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