CN103410129B - Multistage step drop energy dissipater structure - Google Patents
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Abstract
The present invention relates to a kind of multistage step drop energy dissipater structure, it comprises: dredging flow groove, multistage ladder fall bank structure, absorption basin, absorption basin tail bank and downstream apron, the end of dredging flow groove connects the top that multistage ladder falls bank structure, multistage ladder falls bank structure bottom and is connected with absorption basin, there is certain altitude difference in the end of dredging flow groove and force reduction pool bottom, the bottom surface that multistage ladder falls bank structure is equal with force reduction pool bottom, and absorption basin is connected with downstream apron by absorption basin tail bank.Multistage step of the present invention is fallen bank combination energy dissipater and is exacerbated flow turbulence, improve effect of energy dissipation, and reach the effect reducing hydraulic indexes in absorption basin, reduce flow fluctuation in absorption basin, outlet structure escape works for high water head, large discharge provide a kind of novel energy-dissipating installation, be easy to build, to upstream continuously or multiply earial drainage all there is good applicability.
Description
Technical field
The present invention relates to the hydraulic engineering field of flood-discharge energy-dissipating facility, a kind of multistage step drop energy dissipater structure being applicable to high water head, large discharge particularly in a kind of flood control-discharge dyke engineering.
Background technology
The high dam engineering multidigit of China is in the high-mountain gorge areas in western part, common feature in flood-discharge energy-dissipating is " head is high, flow is large, flood discharge power is large, river valley is narrow, complex geologic conditions ", flood-discharge energy-dissipating technical difficulty is large, existing problems are outstanding, usually with some special current phenomenons, thus, Design of Discharge Dissipation, safe operation problem are the hot issues be concerned about of Hydraulic and Hydro-Power Engineering circle in recent years always.Disspation through hydraudic jimp due to have fluid stable, atomization impact little, not by the advantage such as geological conditions restriction, be subject to the favor of medium and small project always.
But, because geographical energy dissipating jet faces the problems such as the end, underflow speed is very high, apply limited in large hydraulic engineering.Chinese patent ZL200820081250.2 discloses a kind of sudden expansion and falls bank type underflow energy dissipator structure on conventional underflow energy dissipator basis, be characterized in the sudden expansion of falling bank, there is in the horizontal direction of abutment wall certain distance at dredging flow groove end force reduction pool bottom with certain vertical height downwards, reduce the hydraulic indexes at base plate and abutment wall place, improve energy dissipation rate; China Patent Publication No. be CN101215828A application discloses a kind of high and low ridge underflow stilling basin, be characterized in that by lower sluicing flow point be multi-strand flow, leak into downstream by height bank, suitable angle of throat is adopted in the plane to high bank, thus improve effect of energy dissipation.But, though these energy-dissipating structures can reduce hydraulic indexes to a certain extent, but a large amount of concrete research shows to adopt the backflow of expanding and falling and there is varying strength after type energy dissipater water flows into pond and vertical-axis eddy, and [Huanghai Sea is gorgeous, Zhang Qiang, Wang Haijun. expand and fall the experimental study of type underflow energy dissipator hydraulic characteristic(s). Chinese countryside water conservancy and hydropower .2010 the 7th phase: 86-87], thus the scour caused, entrainment to upwarp with the high flowing pressure produced and cause building heavy damage.As can be seen here, conventional disspation through hydraudic jimp application limitation is larger; The effect of energy dissipation increasing the prior art measure generations such as its supplementary devices is not very desirable or threatens to outlet structure escape works.How to solve the limitation that disspation through hydraudic jimp is applied in engineering, this is task place of the present invention just.
In sum, provide a kind of and be applicable to that head is high, flow is large, flood discharge power is large, river valley is narrow, the flood-discharge energy-dissipating facility being easy to build of complex geologic conditions, becomes those skilled in the art's problem demanding prompt solution.
The information being disclosed in this background of invention technology part is only intended to deepen the understanding to general background technology of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art known in those skilled in the art.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of combination energy dissipating construction being applicable to high water head, large discharge per unit is provided, not only meets the requirement of disspation through hydraudic jimp, and the hydraulic indexes in absorption basin can be reduced, and add the turbulent fluctuation of current, significantly improve energy dissipating efficiency.
In order to achieve the above object, the invention provides a kind of multistage step drop energy dissipater structure, it comprises: dredging flow groove, multistage ladder falls bank structure, absorption basin, absorption basin tail bank and downstream apron, the curved surface of described dredging flow groove is lower concave curved surface and terminal horizontal, the end of described dredging flow groove connects the top that described multistage ladder falls bank structure, described multistage ladder falls bank structure bottom and is connected with described absorption basin, there is certain altitude difference in end and the described force reduction pool bottom of described dredging flow groove, the bottom surface that described multistage ladder falls bank structure is equal with force reduction pool bottom, described absorption basin is connected with described downstream apron by described absorption basin tail bank.
Preferably, the end of described dredging flow groove and the difference in height of described force reduction pool bottom are H, and the scope that described multistage ladder falls the length L of bank structure is H ~ 2H.
Preferably, described combination energy dissipating construction comprises partition wall, and described partition wall is arranged at intervals in described dredging flow groove, and described dredging flow groove separates along the segmentation of described dredging flow groove width by described partition wall.
Preferably, the length of described partition wall equals the length of described dredging flow groove, and it is continuous in its width direction that described multistage ladder falls bank structure, and the lower sluicing of described dredging flow groove flows through described multistage ladder and falls in bank structure continuum and enter described absorption basin.
Preferably, described combination energy dissipating construction comprises dividing pier, described dividing pier is arranged at intervals at described multistage ladder and falls in bank structure, namely described multistage ladder is fallen the width segmentation that bank structure falls bank structure along described multistage ladder and separates by described dividing pier, the length of described dividing pier is greater than the length that described multistage ladder falls bank structure, and the lower sluicing of described dredging flow groove flows through described multistage ladder and falls bank structure and be divided into multiply to inject described absorption basin.
Preferably, described dividing pier is provided with pier nose and pier tail, and described pier nose is set to semicircle, and described semicircular diameter equals the thickness of described dividing pier.
Preferably, described combination energy dissipating construction comprises partition wall and dividing pier, described partition wall is arranged at intervals in described dredging flow groove, described dividing pier is arranged at intervals at described multistage ladder and falls in bank structure, described dividing pier is connected with described partition wall, namely described dividing pier and described partition wall are arrange continuously, and described dividing pier is identical respectively with thickness with the quantity of described partition wall.
Preferably, described dividing pier is provided with pier tail, and described pier tail is set to streamlined.
The invention has the beneficial effects as follows:
1, relative to traditional underflow energy dissipator, notch cuttype combination energy dissipater of the present invention adds the elevation of dredging flow groove, and reach the effect reducing hydraulic indexes in absorption basin, the outlet structure escape works for high water head, large discharge provide a kind of novel energy-dissipating installation.
2, notch cuttype energy dissipater dredging flow groove end of the present invention is provided with hierarchic structure, exacerbates flow turbulence, improves effect of energy dissipation, and avoids scour that dredging flow groove and force reduction pool bottom depth displacement cause, the destruction such as to entrainment.
3, notch cuttype energy dissipater dredging flow groove end of the present invention is provided with hierarchic structure, lower sluicing enters absorption basin after flowing through ladder section, avoid current directly to impact force reduction pool bottom, decrease the flow fluctuation in absorption basin, ensure safe operation and the application life of earial drainage building.
4, cabinet-type hierarchic structure makes current share split enter pond, and partition wall afterbody is provided with streamlined pier tail, and the vertical-axis eddy that dispersion of flow can be avoided to produce destroys.
5, notch cuttype of the present invention combination energy dissipating construction is simple, is easy to build, to upstream continuously or multiply earial drainage all there is good applicability.
Accompanying drawing explanation
By Figure of description and subsequently together with Figure of description for illustration of the detailed description of the invention of some principle of the present invention, the further feature that the present invention has and advantage will become clear or more specifically be illustrated.
Fig. 1 is the floor map of the embodiment of the present invention 1, and hierarchic structure adopts continuous type.
Fig. 2 is the elevational schematic view of the embodiment of the present invention 1, and hierarchic structure adopts continuous type.
Fig. 3 is the floor map of the embodiment of the present invention 2, and hierarchic structure adopts cabinet-type.
Fig. 4 is the elevational schematic view of the embodiment of the present invention 2, and hierarchic structure adopts cabinet-type.
Fig. 5 is the partial enlarged drawing of hierarchic structure of the present invention.
Fig. 6 is the floor map of the embodiment of the present invention 3, and hierarchic structure adopts cabinet-type.
Fig. 7 is the elevational schematic view of the embodiment of the present invention 3, and hierarchic structure adopts cabinet-type.
Primary symbols explanation in figure
1-dredging flow groove
2-partition wall
22-dividing pier
3-multistage ladder falls bank structure
4-absorption basin
5-absorption basin tail bank
6-downstream apron
The length of L-hierarchic structure
The end of H-dredging flow groove and the discrepancy in elevation of force reduction pool bottom
The length of a-pier tail
The thickness of b-dividing pier or partition wall
The width of w-each ladder
The height of h-each ladder.
Should understand, Figure of description might not show concrete structure of the present invention pari passu, and in Figure of description, also can take the technique of painting that slightly simplifies for illustration of the n-lustrative feature of some principle of the present invention.Specific design feature of the present invention disclosed herein comprises such as concrete size, direction, position and profile and will partly be determined by the environment specifically will applied and use.
In several accompanying drawings of Figure of description, identical Reference numeral represents identical or equivalent part of the present invention.
Detailed description of the invention
Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
Below, by reference to the accompanying drawings specific embodiments of the invention are described.
Refer to shown in Fig. 1 to Fig. 5, the invention provides a kind of multistage step drop energy dissipater structure, it comprises: dredging flow groove 1, partition wall 2 or dividing pier 22, multistage ladder fall bank structure 3, absorption basin 4, absorption basin tail bank 5 and downstream apron 6.
In a particular embodiment, described partition wall 2 is arranged at intervals at described dredging flow groove 1 or described dividing pier 22 and is arranged at described multistage ladder and falls in bank structure 3, the end of described dredging flow groove 1 connects the top that described multistage ladder falls bank structure 3, described multistage ladder falls bank structure 3 bottom and is connected with described absorption basin 4, there is certain altitude difference in end and described absorption basin 4 base plate of described dredging flow groove 1, the bottom surface that described multistage ladder falls bank structure 3 is equal with absorption basin 4 base plate, and described absorption basin 4 is connected with described downstream apron 6 by described absorption basin tail bank 5.The end of described dredging flow groove 1 and the difference in height of described absorption basin 4 base plate are H, and the scope that described multistage ladder falls the length L of bank structure 3 is H ~ 2H.
Multistage step of the present invention is fallen bank combination energy dissipater dredging flow groove and is applicable to upstream dredging flow groove for going out stream continuously and multiply goes out stream two kinds of forms, and the size related in the present invention can carry out value according to the concrete condition of reality.
Multistage step drop energy dissipater structure of the present invention, comprises dredging flow groove 1, multistage ladder falls bank structure 3, absorption basin 4, absorption basin tail bank 5 and downstream apron 6.Wherein, dredging flow groove 1 curved surface is traditional earial drainage curved surface, terminal horizontal.When described multistage step drop energy dissipater structure does not comprise partition wall 2, dredging flow groove 1 lets out mode under continuously, and the jet of generation is solid jet; When described multistage step drop energy dissipater structure comprises partition wall 2, dredging flow groove 1 lets out mode under multiply, and the jet of generation is multiple jets.There is certain depth displacement in dredging flow groove 1 end and force reduction pool bottom.
The downstream of dredging flow groove 1 connects the top that multistage ladder falls bank structure 3, and multistage ladder falls bank structure 3 and is divided into continuous type and cabinet-type two kinds of forms.Namely, when described multistage step drop energy dissipater structure does not comprise dividing pier 22, multistage ladder falls bank structure 3 and let out mode under continuously, and the jet of generation is solid jet; When described multistage step drop energy dissipater structure comprises dividing pier 22, multistage ladder falls bank structure 3 and lets out mode under multiply, and the jet of generation is multiple jets.
It is that continuous print ladder falls bank that the multistage ladder of continuous type falls its overflow surface of bank structure 3, enters absorption basin 4 in lower sluicing stream continuum.The multistage ladder of cabinet-type falls bank structure 3 centre and is provided with multiple dividing pier, and multiple jets dispersion enters absorption basin 4.
In certain embodiments, dividing pier 22 is provided with pier nose 24 and pier tail 23, and pier nose 24 is semicircle, and pier nose 24 diameter is the thickness of dividing pier 22, and pier tail 23 is set to streamlined, and pier tail 23 length is 1.5 ~ 2 times of dividing pier 22 thickness.In certain embodiments, dredging flow groove 1 for multiply go out to flow mode time, dividing pier 22 is overlapped with the partition wall 2 of dredging flow groove 1, pier nose 24 is no longer set.
Below, by reference to the accompanying drawings specific embodiments of the invention are described.
Embodiment 1 represent dredging flow groove 1 for let out under multiply mode also namely multiply go out stream mode, multistage ladder falls the situation that bank structure 3 adopts continuous type.
Embodiment 2 represents dredging flow groove 1 and let out mode under continuously, and multistage ladder falls the situation that bank structure 3 adopts cabinet-type.
Embodiment 3 represent dredging flow groove 1 for let out under multiply mode also namely multiply go out stream mode, multistage ladder falls the situation that bank structure 3 adopts cabinet-type.
Multistage step is in the examples below fallen bank combination energy dissipater and is tested in some hydropower station multi-purpose project.
Embodiment 1
Fig. 1 shows the floor map that multistage step falls the embodiment 1 of bank combination energy dissipater.Fig. 2 is the elevational schematic view of the embodiment of the present invention 1.
As shown in Figure 1, described in the embodiment of the present invention 1, spacer structure 2 is partition wall 2.The width segmentation of described dredging flow groove 1 along described dredging flow groove separates by described partition wall 2.As shown in Figure 1, the length of described partition wall 2 equals the length of described dredging flow groove 1, and it is continuous in its width direction that described multistage ladder falls bank structure 3, and the lower sluicing of described dredging flow groove 1 flows through described multistage ladder and falls in bank structure 3 continuum and enter described absorption basin 4.
As shown in Figure 2, in embodiment 1, the terminal horizontal of dredging flow groove 1, there is depth displacement H=9m in dredging flow groove 1 end outlet and absorption basin 4 base plate.The end of dredging flow groove 1 connects multistage ladder and falls bank structure 3, and multistage ladder falls bank structure 3 and adopts continuous type, enters in absorption basin 4 in the lower sluicing stream continuum of upstream dredging flow groove 1.The first order step that described multistage ladder falls bank structure 3 starts from the end of dredging flow groove 1, and the base plate of absorption basin 4 finally, the length L that described multistage ladder falls bank structure 3 gets 16m.Each ladder width w=2m and height h=1.5m.Described multistage ladder falls bank structure 3 schematic diagram as shown in Figure 5.The wide 60m of absorption basin 4, the long 150m of absorption basin 4.
Embodiment 2
Fig. 3 shows the floor map that multistage step falls the embodiment 2 of bank combination energy dissipater.Fig. 4 is the elevational schematic view of the embodiment of the present invention 2.
In the embodiment of the present invention 2, described spacer structure 2 is dividing pier 22, described dividing pier 22 is arranged at intervals at described multistage ladder and falls in the middle of bank structure 3, and namely described multistage ladder is fallen the width segmentation that bank structure 3 falls bank structure 3 along described multistage ladder and separates by described dividing pier 22.As shown in Figure 3, the length of described dividing pier 22 is greater than the length that described multistage ladder falls bank structure 3, and the lower sluicing of described dredging flow groove 1 flows through described multistage ladder and falls bank structure 3 and be divided into multiply to inject in described absorption basin 4.As shown in Figure 4, described dividing pier 22 is provided with pier nose 24 and pier tail 23 in the present embodiment, and described pier nose 24 is set to semicircle, and described semicircular diameter R equals the thickness of described dividing pier 22.Described semicircle diameter R=4m in the present embodiment, the length of described pier tail is a=6m.
Embodiment 3
Fig. 6 shows the floor map that multistage step falls the embodiment 3 of bank combination energy dissipater.Fig. 7 is the elevational schematic view of the embodiment of the present invention 3.
In the embodiment of the present invention 3, as shown in Figure 6, described spacer structure 2 comprises partition wall 2 and dividing pier 22, described partition wall 2 is arranged at intervals at described dredging flow groove 1, described dividing pier 22 is arranged at intervals at described multistage ladder and falls in the middle of bank structure 3, described dividing pier 22 is connected with described partition wall 2, and namely described dividing pier 22 is arrange continuously with described partition wall 2, and described dividing pier 22 is identical respectively with thickness with the quantity of described partition wall 2.Described dividing pier 22 is provided with pier tail 23, and described pier tail 23 is set to streamlined.Described H equals 9m, and the width that described multistage ladder falls each ladder of bank structure 3 is w=2m height w=2m, and the width of described absorption basin is 60m length is 150m.Described L equals 16m.
As shown in Figure 7, in the present embodiment, dredging flow groove 1 terminal horizontal, there is depth displacement H=9m in dredging flow groove 1 end outlet and absorption basin 4 base plate.Dredging flow groove 1 end connects multistage ladder and falls bank structure 3, and multistage ladder falls bank structure 3 and adopts cabinet-type, and the lower sluicing of upstream dredging flow groove 1 flows through multistage ladder and falls bank structure 3 and be divided into multiple jets dispersion interval and enter in absorption basin 4, and elevational schematic view as shown in Figure 7.The first order step that multistage ladder falls bank structure 3 starts from the end of dredging flow groove 1, the base plate of absorption basin 4 finally.In the present embodiment, multistage ladder falls the length L=16m of bank structure 3.Multistage ladder falls bank structure 3 centre and arranges multiple dividing pier 22, and described dividing pier 22 is provided with pier tail, and the thickness of dividing pier 23 is b=4m, and pier tail 23 is set to streamlined, length a=6m.In the present embodiment, dredging flow groove 1 goes out stream mode for multiply, and described dividing pier 23 overlaps with the partition wall 2 of one-level dredging flow groove 1, no longer arranges pier nose.Multistage ladder fall bank structure 3 as schematic diagram as shown in Figure 5.The wide 60m of absorption basin 4, the long 150m of absorption basin 4.
Machine simulated condition contrast test finds as calculated, multistage step is fallen bank combination energy dissipater and is compared with traditional underflow energy dissipator, substantially increases energy dissipating efficiency, reduces force reduction pool bottom underflow speed and pressure, and main flow mixing energy dissipation section obviously shortens, and reduces absorption basin effective length.
Above-described embodiment is for illustrative principle of the present invention and effect thereof, but the present invention is not limited to above-mentioned embodiment.Those skilled in the art all without prejudice under spirit of the present invention and category, in claims, can modify to above-described embodiment.Therefore protection scope of the present invention, should cover as claims of the present invention.
Claims (8)
1. a multistage step drop energy dissipater structure, it is characterized in that, comprise: dredging flow groove (1), multistage ladder falls bank structure (3), absorption basin (4), absorption basin tail bank (5) and downstream apron (6), the curved surface of described dredging flow groove (1) is lower concave curved surface and terminal horizontal, the end of described dredging flow groove (1) connects the top that described multistage ladder falls bank structure (3), described multistage ladder falls bank structure (3) bottom and is connected with described absorption basin (4), there is certain altitude difference in end and described absorption basin (4) base plate of described dredging flow groove (1), the bottom surface that described multistage ladder falls bank structure (3) is equal with absorption basin (4) base plate, described absorption basin (4) is connected with described downstream apron (6) by described absorption basin tail bank (5).
2. multistage step drop energy dissipater structure according to claim 1, it is characterized in that: the end of described dredging flow groove (1) and the difference in height of described absorption basin (4) base plate are H, and the scope that described multistage ladder falls the length L of bank structure (3) is H ~ 2H.
3. multistage step drop energy dissipater structure according to claim 2, it is characterized in that: described combination energy dissipating construction comprises partition wall (2), described partition wall (2) is arranged at intervals in described dredging flow groove (1), and the width segmentation of described dredging flow groove (1) along described dredging flow groove (1) separates by described partition wall (2).
4. multistage step drop energy dissipater structure according to claim 3, it is characterized in that: the length of described partition wall (2) equals the length of described dredging flow groove (1), it is continuous in its width direction that described multistage ladder falls bank structure (3), and the lower sluicing of described dredging flow groove (1) flows through described multistage ladder and falls in bank structure (3) continuum and enter described absorption basin (4).
5. multistage step drop energy dissipater structure according to claim 2, it is characterized in that: described combination energy dissipating construction comprises dividing pier (22), described dividing pier (22) is arranged at intervals at described multistage ladder and falls in bank structure (3), namely described multistage ladder is fallen the width segmentation that bank structure (3) falls bank structure (3) along described multistage ladder and separates by described dividing pier (22), the length of described dividing pier (22) is greater than the length that described multistage ladder falls bank structure (3), the lower sluicing of described dredging flow groove (1) flows through described multistage ladder and falls bank structure (3) and be divided into multiply to inject described absorption basin.
6. multistage step drop energy dissipater structure according to claim 5, it is characterized in that: described dividing pier (22) is provided with pier nose (24) and pier tail (23), described pier nose (24) is set to semicircle, and described semicircular diameter equals the thickness of described dividing pier (22).
7. multistage step drop energy dissipater structure according to claim 2, it is characterized in that: described combination energy dissipating construction comprises partition wall (2) and dividing pier (22), described partition wall (2) is arranged at intervals in described dredging flow groove (1), described dividing pier (22) is arranged at intervals at described multistage ladder and falls in bank structure (3), described dividing pier (22) is connected with described partition wall (2), namely described dividing pier (22) and described partition wall (2) are arrange continuously, described dividing pier (22) is identical respectively with thickness with the quantity of described partition wall (2).
8. multistage step drop energy dissipater structure according to claim 7, is characterized in that: described dividing pier (22) is provided with pier tail (23), and described pier tail (23) is set to streamlined.
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| CN103669301B (en) * | 2013-12-05 | 2015-09-09 | 中国长江三峡集团公司 | The height bank absorption basin of double-layer disperse energy dissipating |
| CN103741651B (en) * | 2014-01-09 | 2016-08-17 | 中国水电顾问集团贵阳勘测设计研究院有限公司 | A kind of concrete teeth groove stiling basin and construction method thereof |
| CN104213545B (en) * | 2014-09-11 | 2016-08-17 | 四川大学 | Hang underflow type step stiling basin energy-dissipating system |
| CN108442340A (en) * | 2018-02-09 | 2018-08-24 | 杨凌职业技术学院 | A kind of three-dimensional whole-section aeration bank |
| CN109629535A (en) * | 2018-11-27 | 2019-04-16 | 中水淮河规划设计研究有限公司 | A kind of combined energy dissipater |
| CN113502788A (en) * | 2021-08-23 | 2021-10-15 | 中国电建集团成都勘测设计研究院有限公司 | Arrangement structure of gate pier and fishtail pier |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503114Y (en) * | 2000-09-08 | 2002-07-31 | 福建省水利水电勘测设计研究院 | Flaring pier-stepped dam face-scoop tank joint energy dissipation structure |
| KR100780743B1 (en) * | 2006-08-09 | 2007-11-30 | 고수부 | Series of siphon channel channels equipped with air discharge means having a height difference |
| JP2009228315A (en) * | 2008-03-24 | 2009-10-08 | National Agriculture & Food Research Organization | Damping structure for falling water sound-falling water flow in water zone |
| CN101624818A (en) * | 2009-07-28 | 2010-01-13 | 四川大学 | Differential column-splitting inlet energy dissipater |
| CN102912771A (en) * | 2012-11-08 | 2013-02-06 | 四川大学 | Stepped surface local sidewall for air entrainment and cavitation alleviation behind X-type flaring gate pier |
| CN102966081A (en) * | 2012-11-13 | 2013-03-13 | 中国长江三峡集团公司 | Biological environment-friendly expansion-drop combination energy dissipater |
| CN203411959U (en) * | 2013-08-06 | 2014-01-29 | 中国长江三峡集团公司 | Multi-step type drop combination energy dissipater structure |
-
2013
- 2013-08-06 CN CN201310338537.4A patent/CN103410129B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503114Y (en) * | 2000-09-08 | 2002-07-31 | 福建省水利水电勘测设计研究院 | Flaring pier-stepped dam face-scoop tank joint energy dissipation structure |
| KR100780743B1 (en) * | 2006-08-09 | 2007-11-30 | 고수부 | Series of siphon channel channels equipped with air discharge means having a height difference |
| JP2009228315A (en) * | 2008-03-24 | 2009-10-08 | National Agriculture & Food Research Organization | Damping structure for falling water sound-falling water flow in water zone |
| CN101624818A (en) * | 2009-07-28 | 2010-01-13 | 四川大学 | Differential column-splitting inlet energy dissipater |
| CN102912771A (en) * | 2012-11-08 | 2013-02-06 | 四川大学 | Stepped surface local sidewall for air entrainment and cavitation alleviation behind X-type flaring gate pier |
| CN102966081A (en) * | 2012-11-13 | 2013-03-13 | 中国长江三峡集团公司 | Biological environment-friendly expansion-drop combination energy dissipater |
| CN203411959U (en) * | 2013-08-06 | 2014-01-29 | 中国长江三峡集团公司 | Multi-step type drop combination energy dissipater structure |
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