CN219218876U - Seepage-proofing structure of clay core wall dam foundation - Google Patents
Seepage-proofing structure of clay core wall dam foundation Download PDFInfo
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- CN219218876U CN219218876U CN202223307098.4U CN202223307098U CN219218876U CN 219218876 U CN219218876 U CN 219218876U CN 202223307098 U CN202223307098 U CN 202223307098U CN 219218876 U CN219218876 U CN 219218876U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
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Abstract
The utility model discloses a clay core wall dam foundation seepage-proofing structure, which belongs to the technical field of clay core wall dams and comprises clay core walls, building layers, slope protection layers and vegetation planting layers, wherein the building layers are paved on two sides of each clay core wall, the slope protection layers are arranged on the slope surfaces of the two building layers, and the vegetation planting layers are embedded on the slope protection layers and are overlapped with the slope protection layers; slope protection layer includes protects the slope groove, the gravel layer, the backing plate, the bar backup pad, the inserted bar, the pull rod, concrete block, isolation screen cloth and built-in fitting, protect the slope groove has been seted up on the slope face of building the material layer, the gravel layer has been laid to the bottom of protecting the slope groove, the gravel layer has been laid on the surface of gravel layer, the surface mounting of gravel layer has the backing plate, a plurality of transverse opening has been seted up to the inside equidistant of backing plate, the bar backup pad is installed to all gomphosis in the transverse opening of backing plate, the bar backup pad sets up vegetation planting layer each other, the loss of vegetation layer soil has been avoided, the effect of slope protection to the domatic prevention of seepage of dam body is improved.
Description
Technical Field
The utility model relates to the technical field of clay core wall dams, in particular to an impermeable structure of a clay core wall dam foundation.
Background
The clay core wall dam is a clay-stone dam which uses a viscous soil body with a lower permeability coefficient filled in the center of the dam body as seepage-proofing equipment. At present, the clay core wall dam has higher looseness and larger gaps because of filling materials, so that protective measures are needed to be taken in the aspect of seepage prevention when the clay core wall dam is built so as to ensure the stability of the dam body, the existing clay core wall dam basically adopts a slope protection mode to perform seepage prevention treatment on the slope of the dam body, but the problem of soil loss easily occurs due to the influence of long-term water scouring on a vegetation layer on the slope protection, so that the seepage prevention effect of the slope protection on the slope of the dam body is reduced.
In the prior literature, the patent application number is 202010945841.5, and the name is a vegetation slope protection establishment method for preventing water and soil loss and fixing sand, vegetation is planted in slope protection bricks in batches by arranging a base, a movable frame and an inserting plate; the hexagonal hollow structure's slope protection brick can avoid vegetation soil to run off to a certain extent, but the slope protection brick still has the seepage control nature poor, and the poor problem of drainage makes the prevention of seepage effect of bank protection break down greatly.
Therefore, how to provide a clay core dam foundation seepage-proofing structure to solve vegetation planting layer soil loss in the prior art, influence the bank protection and to the domatic seepage-proofing effect of dam body, be the technical problem that the technical staff in the field need to solve urgently.
Disclosure of Invention
Therefore, the utility model provides a clay core wall dam foundation seepage-proofing structure, which aims to solve the problem of poor seepage-proofing effect of a dam slope surface caused by loss of revetment vegetation layer soil in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
according to the first aspect of the utility model, the soil core wall comprises clay core walls, building layers, slope protection layers and vegetation planting layers, wherein the building layers are paved on two sides of the clay core walls, the slope protection layers are arranged on slope surfaces of the two building layers, the vegetation planting layers are embedded on the slope protection layers, and the vegetation planting layers are overlapped with the slope protection layers.
Further, the bank protection layer includes slope protection groove, concrete block, gravel layer, backing plate, bar backup pad, pull rod and backup pad, set up on the slope of building the layer the slope protection groove, slope protection groove's upper and lower both sides inner wall has all been pour the concrete block, slope protection groove's bottom has been laid the gravel layer, the surface of gravel layer has been laid the gravel layer, the surface mounting of gravel layer has the backing plate, a plurality of transverse opening has been seted up to the equidistant inside of backing plate, all the gomphosis is installed in the transverse opening of backing plate the bar backup pad, the space between each other of bar backup pad forms a plurality of regions vegetation planting layer, just the both sides of bar backup pad top all are fixed with the pull rod, the both sides of bar backup pad below all are equipped with the backup pad.
Further, the outer ends of the pull rods are fixedly connected with the surface of the base plate, and the bottoms of the supporting plates are fixedly connected with the tops of the base plate.
Further, the novel socket comprises a socket rod, wherein a plurality of socket rods are uniformly fixed at the bottom of the strip-shaped supporting plate, and the bottom ends of the socket rods are of conical structures.
Further, the concrete block is characterized by further comprising an embedded part, wherein the embedded part is arranged in the concrete block, and the upper end and the lower end of the backing plate are fixedly connected with the embedded part.
Further, a plurality of rectangular openings are formed in the base plate, and the rectangular openings on the base plate correspond to the vegetation planting layers in the plurality of areas one by one.
Further, the novel anti-theft device further comprises an isolation mesh, wherein the isolation mesh is fixed in the rectangular opening on the backing plate, and the peripheral edges of the isolation mesh are fixedly connected with the inner wall of the rectangular opening on the backing plate.
The utility model has the following advantages:
1. this clay core wall dam basis seepage prevention structure is through seting up the slope groove respectively on the slope face of building the material layer to set up the backing plate between the inside gravel layer of slope groove and vegetation planting layer, a plurality of bar backup pad on the backing plate can be stable supports the vegetation planting layer in a plurality of regions, in order to strengthen the stability that the vegetation planting layer laid on the slope groove.
2. Through setting up gravel layer and gravel layer, when the slope of building material layer receives the impact of rivers, the water that permeates into vegetation planting layer can pass a plurality of spacer screen cloth and enter into the gravel layer, at this moment gravel layer and can play good effect of permeating water to the effect of slope protection groove drainage improves, extension clay core wall dam's life.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of a clay core dam foundation seepage-proofing structure according to the present utility model;
FIG. 2 is a schematic view of the surface structure of a pad according to the present utility model;
FIG. 3 is a schematic view of a strip-shaped support plate structure according to the present utility model;
in the figure: 1. clay core wall; 2. a building material layer; 3. slope protection layer; 301. a slope protection groove; 302. a crushed stone layer; 303. a gravel layer; 304. a backing plate; 305. a bar-shaped support plate; 3051. a rod; 306. a support plate; 307. a pull rod; 308. a concrete block; 309. an isolation mesh; 310. an embedded part; 4. and (5) a vegetation planting layer.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, including clay core 1, build the material layer 2, slope protection layer 3 and vegetation planting layer 4, the material layer 2 has all been laid to the both sides of clay core 1, build material layer 2 and set up the slope generally and be 30 between 60 with the contained angle on ground, set up slope protection layer 3 on the slope of two material layers 2, vegetation planting layer 4 inlays and establishes on slope protection layer 3, vegetation planting layer 4 overlaps with slope protection layer 3 and sets up, and the root of vegetation planting layer 4 wears to insert inside slope protection layer 3, has avoided vegetation planting layer 4 to receive the influence that the water erodees for a long time to appear soil loss's problem.
As shown in fig. 1-3, the slope protection layer 3 comprises a slope protection groove 301, a gravel layer 302, a gravel layer 303, a backing plate 304, a strip-shaped supporting plate 305, a supporting plate 306, a pull rod 307 and concrete blocks 308, wherein the slope surface of the building material layer 2 is provided with the slope protection groove 301, the slope protection groove 301 is provided with a cuboid groove, the inner walls of the upper side and the lower side of the slope protection groove 301 are respectively provided with the concrete blocks 308, the concrete blocks 308 can play a role of reinforcing the inner walls of the upper side and the lower side of the slope protection groove 301, and the paving stability among the layers in the slope protection groove 301 is further ensured; the gravel layer 302 has been laid to the bottom of slope protection groove 301, and gravel layer 303 has been laid on the surface of gravel layer 302, and gravel layer 302 and gravel layer 303 can play good permeable action to slope protection groove 301 to improve the effect of slope protection groove 301 drainage, strengthen the stability of building material layer 2 in clay core 1 both sides.
As shown in fig. 2, the surface of the gravel layer 303 is provided with a base plate 304, the base plate 304 is made of steel plate, the hardness of the base plate is high, the base plate is not easy to corrode when being flushed by water, the slope protection layer 3 can be effectively supported by welding with the embedded part 310, the base plate 304 can be isolated and protected by being paved on the surface of the gravel layer 303, a plurality of transverse openings are formed in the base plate 304 at equal intervals, strip-shaped support plates 305 are embedded in the transverse openings of the base plate 304, and the strip-shaped support plates 305 are inserted into the gravel layer 303 through the transverse openings of the base plate 304; the space between backup pad 305 forms the vegetation planting layer 4 in a plurality of regions, and the both sides of bar backup pad 305 top all are fixed with pull rod 307, the pull rod 307 outside and backing plate 304 fixed connection, and the both sides of bar backup pad 305 below all are equipped with backup pad 306, bar backup pad 305 can be under the pulling force of pull rod 307 and the holding power of backup pad 306 firm fixing at the top of backing plate 304, this makes the stability of the vegetation planting layer 4 of bar backup pad 305 formation a plurality of regions in slope protection groove 301 inside better, vegetation planting layer 4 root system and soil are more firm, thereby improve the effect of building material layer 2 slope protection prevention.
As shown in fig. 2, specifically, the outer ends of the pull rods 307 are fixedly connected with the surface of the backing plate 304, the bottom of the support plate 306 is fixedly connected with the top of the backing plate 304, and the pull rods 307 and the support plate 306 are respectively arranged at two sides of the strip-shaped support plate 305, so that the strip-shaped support plate 305 is more stable and is prevented from being deviated left and right.
As shown in fig. 3, the utility model further comprises a plug rod 3051, a plurality of plug rods 3051 are uniformly fixed at the bottom of the strip-shaped supporting plate 305, and the bottom end of the plug rod 3051 is of a conical structure, when in use, the bottom end of the plug rod 3051 is inserted into the gravel layer 303, and the gravel layer 303 presses the plug rod 3051 to enable the strip-shaped supporting plate 305 to be more stable and have stronger impact resistance.
As shown in fig. 2, the embedded part 310 is further included, the embedded part 310 is disposed in the concrete block 308, the embedded part 310 is made of steel bars, and the upper end and the lower end of the backing plate 304 are welded with the embedded part 310, so that the stability of the backing plate 304 and the gravel layer 303 is enhanced, and the loss of the gravel layer 303 can be avoided.
As shown in fig. 2, a plurality of rectangular openings are formed in the base plate 304, the rectangular openings in the base plate 304 correspond to the vegetation planting layers 4 in a plurality of areas one by one, the vegetation planting layers 4 penetrate through the rectangular openings in the base plate 304 and are rooted in the gravel layers 303, the rectangular opening structure in the base plate 304 can enable the vegetation planting layers 4 to be more stable, and the influence of water impact on the vegetation planting layers 4 is reduced.
As shown in fig. 2, the revetment device further comprises an isolation mesh 309, the isolation mesh 309 is fixed in the rectangular opening on the backing plate 304, the isolation mesh 309 is made of galvanized steel wires, the slope protection layer 3 can be protected from scouring, the peripheral edges of the isolation mesh 309 are fixedly connected with the inner wall of the rectangular opening on the backing plate 304, so that the root stability of the vegetation planting layer 4 can be protected, the root soil loss of the vegetation planting layer 4 is prevented, the rectangular opening on the backing plate 304 is isolated, and the mutual streaming of the gravel layer 303 and the vegetation planting layer 4 is avoided.
The construction process of the embodiment of the utility model is as follows:
firstly, a slope protection groove 301 is excavated on the slope surface of a building layer 2 on two sides of a clay core wall 1, concrete blocks 308 are formed by pouring concrete, embedded parts 310 are installed in the slope protection groove, then a gravel layer 302 is paved at the bottom of the slope protection groove 301, a gravel layer 303 is paved on the gravel layer 302, and the upper side and the lower side of a backing plate 304 are welded with the embedded parts 310 installed in the concrete blocks 308 to isolate the gravel layer 303.
Then, after the laying of the backing plate 304 on the surface of the gravel layer 303 is completed, the strip-shaped support plates 305 are sequentially embedded in the transverse openings of the backing plate 304, and a plurality of inserting rods 3051 can be inserted into the gravel layer 303 in the embedding process of the strip-shaped support plates 305, at this time, the strip-shaped support plates 305 can be simultaneously subjected to the tensile force of the pull rods 307 and the supporting force of the support plates 306, so that the strip-shaped support plates 305 are stably installed on the top of the backing plate 304.
Finally, a plurality of areas are formed by the strip-shaped supporting plates 305 to lay the vegetation planting layer 4, the vegetation planting layer 4 can be kept stable under the supporting action of the strip-shaped supporting plates 305, when the slope surface of the building material layer 2 is impacted by water flow, the water body permeated into the vegetation planting layer 4 can penetrate through a plurality of isolation mesh fabrics 309 to enter the gravel layer 303, at the moment, the gravel layer 303 and the gravel layer 302 play a good water permeable role on the permeated water body so as to improve the water draining effect of the slope protection groove 301, and a series of works are completed.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a clay core wall dam basis seepage prevention structure, its characterized in that, includes clay core wall, builds material layer, bank protection layer and vegetation planting layer, the both sides of clay core wall have all been laid build the material layer, two have been seted up on the slope face of building the material layer the bank protection layer, the vegetation planting layer is inlayed and is established on the bank protection layer, the vegetation planting layer with the bank protection layer overlaps the setting.
2. The clay core dam foundation seepage-proofing structure according to claim 1, wherein the slope protection layer comprises a slope protection groove, concrete blocks, gravel layers, base plates, strip-shaped support plates, pull rods and support plates, the slope protection grooves are formed in the slope surface of the building layer, the concrete blocks are poured on the inner walls of the upper side and the lower side of the slope protection groove, the gravel layers are paved on the bottoms of the slope protection grooves, the gravel layers are paved on the surfaces of the gravel layers, the base plates are installed on the surfaces of the gravel layers, a plurality of transverse openings are formed in the base plates at equal intervals, the strip-shaped support plates are installed in the transverse openings of the base plates in a jogged mode, the space between the strip-shaped support plates forms a plurality of vegetation layers in a plurality of areas, the pull rods are fixed on the two sides above the strip-shaped support plates, and the support plates are arranged on the two sides below the strip-shaped support plates.
3. The clay core dam foundation anti-seepage structure according to claim 2, wherein the outer ends of the pull rods are fixedly connected with the surface of the backing plate, and the bottoms of the support plates are fixedly connected with the top of the backing plate.
4. The clay core dam foundation anti-seepage structure according to claim 3, further comprising a plug rod, wherein a plurality of plug rods are uniformly fixed at the bottom of the strip-shaped supporting plate, and the bottom ends of the plug rods are in conical structures.
5. The clay core dam foundation anti-seepage structure according to claim 4, further comprising embedded parts, wherein the embedded parts are arranged in the concrete blocks, and the upper ends and the lower ends of the backing plates are fixedly connected with the embedded parts.
6. The clay core dam foundation anti-seepage structure according to claim 5, wherein a plurality of rectangular openings are formed in the base plate, and the rectangular openings on the base plate correspond to the vegetation planting layers in a plurality of areas one by one.
7. The clay core dam foundation anti-seepage structure according to claim 6, further comprising an isolation mesh, wherein the isolation mesh is fixed in the rectangular openings on the backing plate, and the peripheral edges of the isolation mesh are fixedly connected with the inner walls of the rectangular openings on the backing plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223307098.4U CN219218876U (en) | 2022-12-09 | 2022-12-09 | Seepage-proofing structure of clay core wall dam foundation |
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| CN202223307098.4U CN219218876U (en) | 2022-12-09 | 2022-12-09 | Seepage-proofing structure of clay core wall dam foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188396A (en) * | 2023-10-13 | 2023-12-08 | 中国水利水电第十二工程局有限公司 | Rock-fill dam structure suitable for hydraulic and hydroelectric engineering and construction method thereof |
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- 2022-12-09 CN CN202223307098.4U patent/CN219218876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188396A (en) * | 2023-10-13 | 2023-12-08 | 中国水利水电第十二工程局有限公司 | Rock-fill dam structure suitable for hydraulic and hydroelectric engineering and construction method thereof |
| CN117188396B (en) * | 2023-10-13 | 2024-04-05 | 中国水利水电第十二工程局有限公司 | Rock-fill dam structure suitable for hydraulic and hydroelectric engineering and construction method thereof |
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