CN209353304U - A kind of energy-dissipating structure - Google Patents
A kind of energy-dissipating structure Download PDFInfo
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- CN209353304U CN209353304U CN201821871346.9U CN201821871346U CN209353304U CN 209353304 U CN209353304 U CN 209353304U CN 201821871346 U CN201821871346 U CN 201821871346U CN 209353304 U CN209353304 U CN 209353304U
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- apron
- energy
- seawater
- slope protection
- sash
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- 239000013535 sea water Substances 0.000 claims abstract description 60
- 239000004575 stone Substances 0.000 claims description 21
- 239000004576 sand Substances 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 11
- 239000000872 buffer Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009991 scouring Methods 0.000 abstract description 6
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 39
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003621 irrigation water Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a kind of energy-dissipating structures, belong to dam flood-discharge energy-dissipating tech field；Its key points of the technical solution are that including slope protection, stilling pond, sash, apron and the anti-scour trench being sequentially arranged on front side of sluice；Apron is obliquely installed, and multiple grooves are offered on the inclined-plane of apron, and the direction that the length direction and seawater of groove advance is vertical；The top surface of groove is arcwall face；The utility model solves the problems, such as that dissipation and scouring facility is poor to seawater effect of energy dissipation, has achieved the purpose that provide dissipation and scouring facility effect of energy dissipation.
Description
Technical field
The utility model belongs to dam flood-discharge energy-dissipating tech field, more specifically, it is related to a kind of energy-dissipating structure.
Background technique
Erosion control facility is the engineering measure for damaging discharge structure upstream and downstream riverbed and bank slope from current scour；It sluices
Water flow containing about 9.8QH kilowatts (Q is flow, and H is drop, respectively in terms of m3/s and m) kinetic energy is sent to downstream by building.Its
In, a part is converted to position energy；A part passes through friction, rotary roll, diffusion, hits, becomes thermal dissipation, i.e., " energy dissipating ".In energy
The position sharply converted is measured, it need to be using the safeguard measure for preventing current scour riverbed, bank slope, to safeguard the peace of each building of hinge
Row for the national games.Content, range and the form of downstream protective equipment depend on the hydrology, geology, landform, project playout and energy dissipater's shape
The conditions such as formula.Using the stilling pond of energy dissipation by hydraulic jump and the cushion pool of free-electron model formula energy dissipater, will using concrete or other
Bottom and bank slope are protected material.Flip trajectory bucket and submerged bucket dissipator often do not do special precautions since scour hole is far from base of dam
Facility.Gate dam on soft soil foundation generally has the protective equipments such as protection-apron, apron, anti-scour trench and slope protection downstream, is only needing
Place is dug in advance and bank protection.
Now can refer to Authorization Notice No. be CN206352282U Chinese utility model patent, it discloses and one kind be used for
The combined dissipation and scouring structure of dam, including dam ontology, the upper surface of the dam ontology is equipped with several notches, described
The front end of notch offers S-shaped slot along dam ontology inclined-plane, several stones pier, the stone are integrally formed on the face of the S-shaped slot
The side of pier is made of two symmetroids of a rectangular surfaces and left and right of upper end, and lower row's stone pier is in S-shaped rooved face lower part
Equipped with several ladders, the dam ontology is gentle section below ladder, and the gentle section is in ladder side equipped with several gears
Column, the other end of the gentle section, which is equipped with, blocks stream wall, and described block is equipped with row's ellipse deflector hole and one on stream wall from top to bottom
Arrange round deflector hole.
It is simple dependence inclined-plane or interception wall to sea for the impact force generated when inwelling in above-mentioned technology
Water carries out energy dissipating, and the seawater of preventing return water causes biggish impact to sluice, influences the use of sluice, but the energy dissipating on inclined-plane is imitated
Fruit is poor, therefore dissipation and scouring structure is bad to the effect of energy dissipation of seawater.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of energy-dissipating structure, by opening
Groove on apron and the arcwall face set on groove top surface can be such that the seawater wave broken through returns to the direction rushed over
Turn, the kinetic energy contained using itself impact force consumption seawater of seawater can be improved the effect of dissipation and scouring structure.
To achieve the above object, the utility model provides following technical solution: including the shield being sequentially arranged on front side of sluice
Slope, stilling pond, sash, apron and anti-scour trench；
Apron is obliquely installed, and multiple grooves are offered on the inclined-plane of apron, and the length direction and seawater of groove advance
Direction it is vertical；The top surface of groove is arcwall face.
By using above-mentioned technical proposal, when seawater is by anti-scour trench to apron, the wave of seawater can enter groove, into
Enter the wave of groove along groove inner surface movement, by the guiding of arcwall face, after coming out from inside grooves, the direction of movement and
Wave comes through contrary, so that the wave of seawater and subsequent seawater be made to hit, utilizes the impact of seawater itself
Power consumes the kinetic energy of seawater also, can reach consumption seawater kinetic energy purpose while reduce the impact force to apron
Degree；Multiple grooves repeatedly can carry out energy dissipating to seawater using the impact force of seawater itself, and the effect of energy dissipating can be made best.
The utility model is further arranged to: the buffering ladder for having jackstone to constitute inside the anti-scour trench buffers terraced upper end and leans on
The unrestrained setting in coastal waters, therefore buffer that once decline composition to the direction far from apron ladder-like.
By using above-mentioned technical proposal, after seawater enters anti-scour trench, the wave of seawater is relatively high, so the wave of seawater
It can be fallen in the different time differences on buffering ladder, rather than collided simultaneously with buffering ladder, then reduce instantaneous seawater to erosion control
The impact force of slot causes anti-scour trench that can not use so as to prevent anti-scour trench from breakage occurring under a larger impact force.
The utility model is further arranged to: the slope protection is obliquely installed, and the oblique upper end of slope protection is arranged close to sluice, slope protection
End obliquely downward far from sluice be arranged.
By using above-mentioned technical proposal, when high tide, seawater can cause to impact to sluice, and slope protection is obliquely installed,
Seawater comes through and can contact first with slope protection when coming, and inclined slope protection will not directly absorb impact power, and the impact that slope protection is born is sea
The component of hydraulic impact, and can be by the incoming the earth of part of impact force, therefore slope protection reduces the impact force of seawater, and can make certainly
Body not will receive bigger impact, improve the stability of slope protection.
The utility model is further arranged to: the stilling pond is recessed rectangle, and the bottom surface of stilling pond and slope protection
Lower end is equal.
By using above-mentioned technical proposal, stilling pond is recessed, makes stilling pond lower than slope protection and sash, disappears when seawater enters
Behind power pond, slope protection can be lower than, then when seawater rushes to slope protection and sluice and contacts, seawater can rush to slope protection and in the process consume compared with
More kinetic energy, then impact force of the sea washes in sluice is smaller, to lower the impaired probability of sluice.
The utility model is further arranged to: the stilling pond is equipped with close to one end of frame and stilling pond side wall is fixed connects
The skewback connect；Skewback is extended downwardly from one end close to sash, and the direction extended is the direction far from sash.
By using above-mentioned technical proposal, if stilling pond and the close one end of frame are vertical flat without skewback
Face, then when sluice waterproof, river water can cause biggish impact force to vertical plane, thus be easy to damage stilling pond,
The power that inclined-plane can make river water impact come is dispersed, to lower impact of the river water to stilling pond side wall, prevents stilling pond
By breakage.
The utility model is further arranged to: being equipped with sand stone layer below the stilling pond, sash and apron.
It can not be in more smooth state by using the surface in above-mentioned technical proposal riverbed, then disappeared power in laying
It is very inconvenient and be easy to cause stilling pond, sash and the thickness of apron different when pond, sash and apron, influence making for apron
With sand stone layer can carry out place mat to riverbed, so that riverbed is in more smooth state, and sand stone layer can fill out riverbed
It fills, riverbed sinks whens preventing from being laid with apron and frame etc., improves stilling pond, sash and the construction quality of apron.
The utility model is further arranged to: the apron is that stone grouts.
By using above-mentioned technical proposal, stone is grouted, and wants to compare concrete, and stone is more durable, and is being laid with
It is more convenient when apron, improve the efficiency of work；And stone can make the surface of apron not be even curface, to make apron
The purpose of deceleration can be played to seawater or river water.
The utility model is further arranged to: the upper surface of the apron be also fixedly connected with ten or more it is equally distributed
Convex block.
By using above-mentioned technical proposal, although apron surface is not that even curface can be played to river water and seawater
The purpose slowed down is shunted, but shunts the effect slowed down and is not obvious, the surface of present convex block protrusion apron can be apparent right
River water and seawater by apron carry out shunting deceleration, and effect is more obvious.
In conclusion the utility model has the advantages that compared with the prior art
1. opening up fluted on the inclined surface of apron, the top surface of groove is arcwall face, then in seawater movement to apron when, sea
The wave of water can initially enter in groove, then be moved out out of groove by arcwall face, the direction that is moved after coming out and
The direction of advance of seawater offsets sea using the impact of seawater wave on the contrary, to make the wave of seawater and seawater collide
The kinetic energy that water contains, can preferably consume the kinetic energy of seawater, and can reduce impact of the seawater to apron；
2. the buffering ladder for thering is jackstone to constitute in anti-scour trench, and buffer ladder and successively rise along the direction that seawater advances, thus
Making the wave of seawater will not collide with buffering ladder simultaneously, and the dynamics for being subject to buffering ladder instantaneously will not be very big, increases erosion control
The service life of slot.
Detailed description of the invention
Fig. 1 is the structure chart of embodiment one；
Fig. 2 is the cross-sectional view of dissipation and scouring facility in embodiment one；
Fig. 3 is the portion B enlarged drawing in Fig. 2；
Fig. 4 is the portion A enlarged drawing in Fig. 1；
Fig. 5 is the portion C enlarged drawing in Fig. 2；
Fig. 6 is the portion D enlarged drawing in Fig. 2；
Fig. 7 is the structure chart of embodiment two；
Fig. 8 is the portion E enlarged drawing in Fig. 7.
In figure: 1, sluice；2, slope protection；3, stilling pond；31, skewback；32, sand stone layer；33, concrete mats thick-layer；34, reinforcing bar
Concrete strengthening layer；35, steel mesh；4, sash；41, frame；42, crossbeam；43, partition；44, grid；5, apron；51, groove；
52, arcwall face；53, convex block；6, anti-scour wall；61, raised；7, anti-scour trench；71, buffering ladder.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment one: a kind of energy-dissipating structure, slope protection 2, stilling pond 3, sash 4, apron including being sequentially arranged in 1 front side of sluice
5, anti-scour wall 6 and anti-scour trench 7；When high tide, sluice 1 can be fallen, and prevent inwelling into river；The sea of reverse irrigation
Water can contact after anti-scour trench 7, anti-scour wall 6, apron 5, sash 4 and slope protection 2 with sluice, contain in the seawater of flood tide at this time
Kinetic energy be consumed major part, impact of the seawater to sluice 1 can be prevented；After past high tide phase, sluice 1 is beaten
It opens, river water flows out again imports sea, but river water is intercepted by sluice 1, can generate savings, when just opening sluice 1, is flowed out
Water flow can have biggish kinetic energy, if biggish kinetic energy directly impacts on riverbed, can will the sandy soil on riverbed impact under
Come, and as river water enters sea, sea is polluted, so the slope protection 2 of 1 front side of sluice, stilling pond 3, sash 4, sea
Unrestrained 5, anti-scour wall 6 and anti-scour trench 7 can will be covered with riverbed, and then waterproof directly impacts riverbed from the water flow that sluice 1 comes out,
Prevent water flow the silt on riverbed is impacted bring into it is big marine.
As shown in Figures 2 and 3, slope protection 2 is formed by concreting, and slope protection 2 tilts down, and the upper end of slope protection 2 is close
Sluice 1 is arranged, and the lower end of slope protection 2 is arranged far from sluice 1, and the lower end of slope protection 2 and stilling pond 3 connect；The upper surface of stilling pond 3
It is in same plane with the lower end of slope protection 2, the one end of stilling pond 3 far from slope protection 2 is fixedly connected with sash 4, and stilling pond 3 is upper
Surface is lower than the lower surface of sash 4, and stilling pond 3 is fixedly connected with skewback 31 close to one end of sash 4, the oblique upper end of skewback 31 and
The end of sash 4 is fixedly connected, and holding obliquely downward for skewback 31 is fixedly connected far from the setting of sash 4 with the surface of stilling pond 3；Flowed backward
It after the dipped sash 4 of seawater come, falls into stilling pond 3, sluice 1 can be lower than, and seawater moves on can impinge upon slope protection 2 first
On, and slope protection 2 is oblique, therefore seawater can be reduced to the shock dynamics of slope protection 2, after seawater impinges upon on slope protection, part is extra large
Water sputtering impinges upon on sluice 1, but hits dynamics very little at this time, will not impact to sluice.When the high tide phase
After past, sluice 1 opens waterproof, and savings can be fallen into stilling pond 3 in the subsequent water flow of sluice 1 by slope protection 2 first, by oblique
Block 31 enters in sash 4, can reduce the kinetic energy that water flow contains, therefore can reduce water flow and set to rear apron 5 and anti-scour wall 6 etc.
The impact force applied keeps the subsequent facility practical longevity longer, and stilling pond 3 is covered on riverbed, can waterproof water flow riverbed is made
At impact, the silt on riverbed is impacted.
As shown in figure 3, stilling pond 3 includes sand stone layer 32, sets and the concrete mats thick-layer 33 of the top of sand stone layer 32 and set
The steel bar concrete reinforcement layer 34 of 33 top of concrete mats thick-layer；Steel mesh 35 is embedded in steel bar concrete reinforcement layer 34, from
And keep the rigidity of steel bar concrete reinforcement layer 34 further；The water flow come out from sluice 1 can directly disappear in impact by slope protection 2
On the bottom surface in power pond 3, and water flow passes through inclined slope protection 2, can further increase the kinetic energy that water flow contains, therefore water flow is to stilling pond
3 bottom surface will cause biggish impact force, be easy to cause the breakage of stilling pond 3, can be by the mud on riverbed so as to cause water flow
Sand impacts, and causes water flow that river sand is impacted big nautical mile；Riverbed is unlikely to be smooth face, is being laid with concrete mats thick-layer
Portion is easily when 33, and sand stone layer 32 is laid on riverbed, can be selected to be laid with according to the fluctuating in riverbed how much, and by part sand
Stone is embedded in riverbed, can establish relatively flat ground, and sandstone is embedded in riverbed, can reduce the sinking of sand stone layer 32
Probability；Concrete mats thick-layer 33 can increase the rear degree of 3 bottom of stilling pond, and then reduce the dynamics being transmitted on riverbed, prevent
Only riverbed is sunk by biggish impact force, and stilling pond 3 is caused to deform, the steel mesh 35 in steel bar concrete reinforcement layer 34
The rigidity of steel bar concrete reinforcement layer 34 can be increased, to prevent the water flow containing larger kinetic energy from leading to steel bar concrete reinforcement
Breakage occurs for layer 34, influences the function and effect of stilling pond 3.
As shown in Figure 1 and Figure 4, sash 4 includes frame 41, is set to vertical and horizontal staggered crossbeam 42 in frame 41 and is set to side
The tilted partition 43 of frame 41；Vertical and horizontal staggered crossbeam 42 and partition 43 are by 41 inside division of frame at triangle one by one
Grid 44；The grid 44 of triangle is able to bear bigger impact force compared to more conventional square-grid 44, can prevent grid
44 deformation；The upper surface of sash 4 is not smooth, thus can be further reduced by seawater or river water in contain
Kinetic energy.
As shown in Figure 2 and Figure 5, apron 5 is grouted by stone, apron 5 can be made to bear higher impact force, and apron
5 whole installations are inclined state, and one end of apron 5 is fixedly connected with sash 4, and apron 5 is downward from one end close to sash 4
Multiple grooves 51 are offered on the inclined-plane of inclination extension apron 5, the length direction of groove 51 is identical with the length direction of apron 5；
And 51 top surface of groove is arcwall face 52, when seawater enters groove 51, the wave of seawater can be along arcwall face 52 to the side in sea
To revolution, to generate collision impact with the direction that seawater advances, therefore passes through the cooperation of groove 51 and arcwall face 52, can use
The impact force of seawater itself offsets the kinetic energy of seawater, to cut down the kinetic energy that seawater contains；Sash 4 and sea
Unrestrained 5 lower section can also be equipped with sand stone layer 32, can also pave to riverbed, convenient for the laying of sash 4 and apron 5.
As shown in Fig. 2, anti-scour wall 6 is in the one end of apron 5 far from sash 4, and the lower end of anti-scour wall 6 is buried in riverbed
Interior, anti-scour trench 7 is located at the one end of anti-scour wall 6 far from apron 5, and 7 inner bottom surface of anti-scour trench can be laid with many jackstones；Anti-scour wall 6
Both ends extend to the two sides of 7 length direction of anti-scour trench, and anti-scour trench 7 half is wrapped up, and river water is flowed out out of sluice 1, pass through
It can enter in anti-scour trench 7 after the facilities such as slope protection and stilling pond 3, and sand stone layer 32 is not present in the lower section of anti-scour trench 7, river water is easy
It contacts, the sandy soil in riverbed is washed away, anti-scour wall 6 wraps up anti-scour trench 7, can further subtract from the gap of jackstone and riverbed
The impact force of few water flow, prevents water flow from washing away the sandy soil on riverbed.
As shown in fig. 6, the upper surface of anti-scour wall 6 is fixedly connected with ten or more protrusions 61, and protrusion 61 is along erosion control
The trend of wall 6 is uniformly distributed, and when seawater and river water pass through anti-scour wall 6, protrusion 61 can shunt river water or seawater, into
And the kinetic energy that river water or seawater contain can be reduced, and the circulation of river water and seawater will not be hindered.
As shown in fig. 6, anti-scour trench 7 is made of the buffering ladder 71 of stairstepping jackstone block, and the least significant end for buffering ladder 71 is remote
It is arranged from anti-scour wall 6, so that the wave of seawater can be with no longer conplane buffering ladder when seawater being made to enter 7 inside of anti-scour trench
71 contacts increase the service life of anti-scour trench 7 to reduce the impact force of seawater.
Embodiment two: a kind of energy-dissipating structure, as shown in Figure 7 and Figure 8, the difference between this embodiment and the first embodiment lies in apron
5 upper surface is fixedly connected with multiple convex blocks 53, and convex block 53 protrudes the upper surface of apron 5, reserves to come after capable of opening sluice 1
River water carry out shunting deceleration, and then reach optimal effect of energy dissipation.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of energy-dissipating structure, it is characterised in that: including slope protection (2), the stilling pond (3), sash being sequentially arranged on front side of sluice (1)
(4), apron (5) and anti-scour trench (7)；
Apron (5) is obliquely installed, and multiple grooves (51) are offered on the inclined-plane of apron (5), the length direction of groove (51)
It is vertical with the direction that seawater advances；The top surface of groove (51) is arcwall face (52).
2. a kind of energy-dissipating structure according to claim 1, it is characterised in that: have jackstone composition inside the anti-scour trench (7)
Buffering it is terraced (72), buffer terraced (72) upper end and be arranged close to apron (5), therefore buffer terraced (72) to direction one far from apron (5)
Secondary decline constitutes ladder-like.
3. a kind of energy-dissipating structure according to claim 1, it is characterised in that: the slope protection (2) is obliquely installed, slope protection (2)
Oblique upper end be arranged close to sluice (1), the end obliquely downward of slope protection (2) is arranged far from sluice (1).
4. a kind of energy-dissipating structure according to claim 1, it is characterised in that: the stilling pond (3) is recessed rectangle, and
The bottom surface of stilling pond (3) is equal with the lower end of slope protection (2).
5. a kind of energy-dissipating structure according to claim 1, it is characterised in that: the stilling pond (3) is close to one end of frame
Equipped with the skewback (31) being fixedly connected with stilling pond (3) side wall；Skewback (31) is extended downwardly from one end close to sash (4), and
The direction of extension is the direction far from sash (4).
6. a kind of energy-dissipating structure according to claim 1, it is characterised in that: the stilling pond (3), sash (4) and sea
Sand stone layer (32) are equipped with below unrestrained (5).
7. a kind of energy-dissipating structure according to claim 1, it is characterised in that: the apron (5) is that stone grouts.
8. a kind of energy-dissipating structure according to claim 1, it is characterised in that: the upper surface of the apron (5) is also fixed to be connected
It is connected to ten or more equally distributed convex blocks (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821871346.9U CN209353304U (en) | 2018-11-14 | 2018-11-14 | A kind of energy-dissipating structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821871346.9U CN209353304U (en) | 2018-11-14 | 2018-11-14 | A kind of energy-dissipating structure |
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| Publication Number | Publication Date |
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| CN209353304U true CN209353304U (en) | 2019-09-06 |
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| CN201821871346.9U Expired - Fee Related CN209353304U (en) | 2018-11-14 | 2018-11-14 | A kind of energy-dissipating structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931144A (en) * | 2021-11-30 | 2022-01-14 | 中国水利水电建设工程咨询西北有限公司 | Energy dissipation scour protection structure of diversion tunnel export |
-
2018
- 2018-11-14 CN CN201821871346.9U patent/CN209353304U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113931144A (en) * | 2021-11-30 | 2022-01-14 | 中国水利水电建设工程咨询西北有限公司 | Energy dissipation scour protection structure of diversion tunnel export |
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