CN210341824U - Reinforced structure of energy dissipation anti-impact facility under gate - Google Patents
Reinforced structure of energy dissipation anti-impact facility under gate Download PDFInfo
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- CN210341824U CN210341824U CN201920780426.1U CN201920780426U CN210341824U CN 210341824 U CN210341824 U CN 210341824U CN 201920780426 U CN201920780426 U CN 201920780426U CN 210341824 U CN210341824 U CN 210341824U
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- energy dissipation
- impact
- scour
- wall
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Abstract
The utility model discloses a reinforcement structure of an energy dissipation scour protection facility under a gate, belonging to the technical field of flood discharge and energy dissipation of dams; its technical scheme main points are including locating bank protection, absorption basin, sash, sea overflow and the scour protection groove of sluice front side in proper order, its characterized in that: the anti-scour wall is arranged between the sea backlog and the anti-scour groove; the impact-proof wall is composed of a plurality of sheet piles which are spliced mutually. The utility model provides a conventional scour protection wall construction loaded down with trivial details, lead to the problem that work efficiency is low, reached the effect that can carry work efficiency.
Description
Technical Field
The utility model relates to a dam flood discharge energy dissipation technical field, more specifically the saying so, it relates to an energy dissipation scour protection facility reinforced structure under floodgate.
Background
The anti-scour facility is an engineering measure for preventing the riverbed and the bank slope on the upstream and the downstream of the water outlet structure from being damaged by water flow scouring; the outlet structure delivers a stream of water containing about 9.8QH kw (Q is the flow rate and H is the head, in m3/s and m respectively) kinetic energy downstream. Wherein a portion is converted to potential energy; one part is dissipated into heat energy through friction, rolling, diffusion and impact, namely energy dissipation. At the part where the energy is rapidly converted, a protective measure for preventing water flow from washing the riverbed and the bank slope is required to be adopted so as to maintain the safe operation of each building of the hub. The content, extent and form of the downstream protective facility depends on the conditions of hydrology, geology, terrain, terminal arrangement and energy dissipater form. The stilling pool utilizing hydraulic jump energy dissipation and the plunge pool of free fall energy dissipater are protected at the bottom and bank slope by concrete or other materials. Trajectory energy dissipation and surface flow energy dissipation are not required to be specially protected due to the fact that the scouring pit is far away from the dam foot. The gate dam on the soft soil foundation, its low reaches generally have protections facilities such as fender flat, sea overflow, scour protection groove and bank protection, only carry out digging in advance and bank protection in needs department.
Can refer to the chinese utility model patent that the grant bulletin number is CN206352282U now, it discloses and a combined energy dissipation scour protection structure for dam, including the dam body, the up end of dam body is equipped with a plurality of breach, the front end of breach has seted up the S-shaped groove along dam body inclined plane, an organic whole is equipped with a plurality of stone pillar on the face in S-shaped groove, the side of stone pillar comprises a rectangular surface and two left and right sides symmetric curved surfaces of upper end, lower stone pillar is equipped with a plurality of ladders in S-shaped groove surface lower part, the dam body is the gentle section in the ladder below, the gentle section is equipped with a plurality of bumping post in ladder one side, the other end of gentle section is equipped with the wall that blocks, from the top down has a row of oval water conservancy diversion hole and a row of circular water conservancy diversion hole on the wall.
The scour protection wall in present common scour protection structure digs out the foundation ditch on the riverbed and casts, and this kind of construction side needs carry out the evacuation with the rivers on the riverbed, and the process of construction is too loaded down with trivial details, leads to the time limit for a project increase of construction, has influenced the efficiency of work.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a can disappear under floodgate scour protection facility reinforced structure, its sheet pile through can splicing each other has realized making things convenient for the construction of scour protection wall, improves work efficiency's purpose.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a subduct can scour protection facility reinforced structure, includes slope protection, absorption basin, sash, sea overflow and the scour protection groove of locating the sluice front side in proper order, its characterized in that: the anti-scour wall is arranged between the sea backlog and the anti-scour groove;
the impact-proof wall is composed of a plurality of sheet piles which are spliced mutually.
By adopting the technical scheme, the anti-impact wall is formed by the sheet piles, and river water does not need to be cut off in the construction process, so that the construction is simpler, and the working efficiency can be improved; and the sheet pile is prefabricated and forms, can not receive extra influence, can make the sheet pile bear bigger impact force to make the energy dissipation scour protection set up firmer.
The utility model discloses further set up to: the two side walls of the sheet piles are respectively provided with a groove and a convex block, and the convex blocks of the adjacent sheet piles can enter the grooves.
Through adopting above-mentioned technical scheme, lug and recess can make the better concatenation of adjacent sheet pile together, make both can align the concatenation, can also increase the connection quality of adjacent sheet pile, make the whole more stable of impact wall.
The utility model discloses further set up to: the sheet pile is made of a support frame and concrete cast on the support frame.
Through adopting above-mentioned technical scheme, the support frame can make the sheet pile bear more power to can improve the atress upper limit of scour protection wall, make the scour protection wall can bear bigger impact, improve the steadiness of whole energy dissipation scour protection facility.
The utility model discloses further set up to: the support frame comprises prestressed tendons, non-prestressed tendons and stirrups, and the non-prestressed tendons are arranged in a hollow mode.
Through adopting above-mentioned technical scheme, prestressing tendons bears bigger power, and non-prestressing tendons can not bear bigger power to adopt hollow setting, can reduce the cost of manufacturing sheet pile.
The utility model discloses further set up to: the sheet pile is provided with positioning holes penetrating through two ends of the sheet pile, and positioning columns are buried in the riverbed.
Through adopting above-mentioned technical scheme, the reference column can cooperate with the locating hole on the sheet pile, can play the purpose of location to the installation of sheet pile to improve the efficiency of work.
The utility model discloses further set up to: the positioning column is made of I-shaped steel.
Through adopting above-mentioned technical scheme, the reference column of I-steel shape can be more stable stand on the riverbed, and then makes the reference column can play better positioning action.
The utility model discloses further set up to: the vertical edges of the positioning columns are provided with round corners enabling the I-shaped steel to be better attached to the inner walls of the positioning holes.
Through adopting above-mentioned technical scheme, can make better and the laminating of locating hole inner wall of reference column to improve the positioning effect of reference column to the sheet pile.
The utility model discloses further set up to: and a mould bag concrete layer is laid on the upper surface of a part of the sea wall close to the anti-impact wall.
Through adopting above-mentioned technical scheme, the bearing capacity that the sea was romantic to tracing to the source and erodeing can be improved to the part that the mould bag concrete was laid to improve the energy dissipation effect of energy dissipation scour protection structure.
To sum up, the utility model discloses compare and have following beneficial effect in prior art:
1. the anti-impact wall is formed by splicing a plurality of sheet piles, so that the construction of the anti-impact wall can be carried out without building a cofferdam during construction, and the working efficiency can be improved;
2. the inside of sheet pile is equipped with the support frame, and non-prestressing tendons cavity on the support frame sets up, then the support frame can improve the intensity of sheet pile, can also reduce the cost of manufacture of support frame.
Drawings
FIG. 1 is a block diagram of an embodiment;
FIG. 2 is a structural view of a sheet pile in the embodiment;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a structural diagram of the stand according to the embodiment.
In the figure: 1. a sluice; 2. slope protection; 3. a stilling pool; 4. a sash; 5. sea inundation; 51. a mould bag concrete layer; 6. a scour protection wall; 61. sheet piling; 62. a groove; 63. a bump; 64. positioning holes; 65. a positioning column; 66. round corners; 67. a support frame; 671. prestressed tendons; 672. a non-prestressed tendon; 673. hooping; 7. and (4) preventing from scouring the grooves.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example (b): a reinforced structure of an energy dissipation and impact prevention facility under a gate is shown in figure 1 and comprises a protection slope 2, an absorption basin 3, a sash 4, a sea wall 5, an impact prevention wall 6 and an impact prevention groove 7 which are sequentially arranged on the front side of a sluice 1; when the sea water rises, the sluice 1 falls down to prevent the sea water from flowing backward into the river; the backward flowing seawater can contact the sluice after passing through the anti-impact groove 7, the anti-impact wall 6, the sea wall 5, the sash 4 and the revetment 2, most of kinetic energy contained in the flood seawater is consumed at the moment, and the impact of the seawater on the sluice 1 can be prevented; after the sea water tide rise period passes, the sluice 1 is opened, the river flows out again and flows into the sea, but the river is intercepted by the sluice 1 and can be accumulated, when the sluice 1 is just opened, the flowing water flow has larger kinetic energy, if the larger kinetic energy directly impacts on the riverbed, sand and soil on the riverbed can be impacted, and the river enters the sea along with the river, so that the sea is polluted, the slope protection 2, the stilling pool 3, the frame 4, the sea wall 5, the impact protection wall 6 and the impact protection groove 7 on the front side of the sluice 1 can cover the riverbed, and the water flow coming out of the sluice 1 can be prevented from directly impacting the riverbed, and the water flow is prevented from impacting the sand and sand on the riverbed and bringing the sand and soil into the sea.
As shown in fig. 1, a mould bag concrete layer 51 is laid on a part of the upper surface of the sea inundation 5 close to the anti-scouring wall 6, and in the process of seawater scouring, as the sea inundation 5 is inclined, in the process of falling tide, traceable scouring can be formed on the upper surface of the sea inundation 5, and the impact on the sea inundation 5 is relatively large; the mould bag concrete layer 51 can form a whole plate after pouring and solidifying, so the mould bag concrete layer 51 has stronger anti-scouring capability compared with the conventional mortar layer, and can improve the service life of energy dissipation and anti-scouring facilities.
As shown in fig. 2, the impact-preventing wall 6 is composed of a plurality of sheet piles 61 spliced with each other, a groove 62 is formed on one side wall of each sheet pile 61, and a convex bump 63 is fixedly connected to the other corresponding side wall of each sheet pile 61; when the adjacent sheet piles 61 are spliced, the convex blocks 63 can enter the grooves 62, and the grooves 62 are matched with the convex blocks 63, so that the sheet piles 61 can be spliced together better; sheet pile 61 splices and forms impact wall 6, compares conventional construction mode, and convenient and fast more can improve the efficiency of work, and sheet pile 61 is prefabricated in the factory and forms, and the influence that receives external environment when concrete on sheet pile 61 solidifies is less, can make the better that sheet pile 61 solidifies, improves the intensity of sheet pile 61, and then improves impact wall 6's atress upper limit.
As shown in fig. 2 and 3, the sheet pile 61 is provided with positioning holes 64 penetrating through both ends of the sheet pile 61, positioning columns 65 for positioning are pre-drilled in a foundation pit on the river bed, and when the sheet pile 61 is installed, the positioning holes 64 are sleeved on the positioning columns 65, so that the sheet pile 61 can be installed in a positioning manner, the sheet pile 61 can be installed more accurately and more quickly, and the work efficiency is improved.
As shown in fig. 3, the positioning column 65 is made of i-steel, and the i-steel shaped positioning column 65 can stably stand on the river bed, so that the positioning column 65 can better position the sheet pile 61; the round angle 66 has been seted up to the vertical edge department of reference column 65, and round angle 66 makes reference column 65 can laminate with the inner wall of locating hole 64, increases the area of contact of reference column 65 and locating hole 64, improves the effect of location.
As shown in fig. 4, a support frame 67 is arranged inside the sheet pile 61; when preparation sheet pile 61, put support frame 67 in the mould, then pour the concrete, just formed sheet pile 61 after solidifying, support frame 67 can make sheet pile 61's intensity higher to make sheet pile 61 can bear bigger impact force, then impact wall 6 can bear bigger impact force, what make energy dissipation scour protection facility can be better carries out the energy dissipation, improves the life of whole facility.
As shown in fig. 4, the supporting frame 67 includes a plurality of vertically arranged tendons 671 and non-tendons 672, the tendons 671 are arranged corresponding to the impacted side walls of the sheet piles 61, the non-tendons 672 are arranged corresponding to the mutually adjacent side walls of the sheet piles 61, and the tendons 671 and the non-tendons 672 are connected together by stirrups 673 to form the supporting frame 67; the tendon 671 is solid and the non-tendon 672 is hollow, so that the cost required by manufacturing can be reduced on the premise of not influencing the strength of the sheet pile 61.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an ability scour protection facility reinforced structure disappears under floodgate, includes slope protection (2), absorption basin (3), sash (4), sea man (5) and scour protection groove (7) of locating sluice (1) front side in proper order, its characterized in that: the anti-scour wall (6) is arranged between the sea backlog (5) and the anti-scour groove (7);
the impact-proof wall (6) is composed of a plurality of sheet piles (61) which are spliced with each other.
2. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 1, wherein: the two side walls of the sheet piles (61) are respectively provided with a groove (62) and a convex block (63), and the convex blocks (63) of the adjacent sheet piles (61) can enter the grooves (62).
3. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 1, wherein: the sheet pile (61) is made of a support frame (67) and concrete cast on the support frame (67).
4. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 3, wherein: the support frame (67) includes prestressing tendons (671), non-prestressing tendons (672) and stirrup (673), and non-prestressing tendons (672) hollow setting.
5. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 1, wherein: the sheet pile (61) is provided with positioning holes (64) penetrating through two ends of the sheet pile (61), and a positioning column (65) is buried in the riverbed.
6. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 5, wherein: the positioning column (65) is made of I-shaped steel.
7. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 5, wherein: and the vertical edges of the positioning columns (65) are provided with round corners (66) which enable the I-shaped steel to be better attached to the inner walls of the positioning holes (64).
8. The under-gate energy dissipation and impact prevention facility reinforcing structure according to claim 1, wherein: and a mould bag concrete layer (51) is laid on the upper surface of a part of the sea wall (5) close to the anti-impact wall (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780426.1U CN210341824U (en) | 2019-05-25 | 2019-05-25 | Reinforced structure of energy dissipation anti-impact facility under gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780426.1U CN210341824U (en) | 2019-05-25 | 2019-05-25 | Reinforced structure of energy dissipation anti-impact facility under gate |
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| Publication Number | Publication Date |
|---|---|
| CN210341824U true CN210341824U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920780426.1U Expired - Fee Related CN210341824U (en) | 2019-05-25 | 2019-05-25 | Reinforced structure of energy dissipation anti-impact facility under gate |
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| Country | Link |
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| CN (1) | CN210341824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356156A (en) * | 2021-06-18 | 2021-09-07 | 广东省水利电力勘测设计研究院有限公司 | Sluice low reaches scour protection structure |
-
2019
- 2019-05-25 CN CN201920780426.1U patent/CN210341824U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356156A (en) * | 2021-06-18 | 2021-09-07 | 广东省水利电力勘测设计研究院有限公司 | Sluice low reaches scour protection structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |