CN216973463U - Concrete cut-off wall contact position reinforcement structure - Google Patents
Concrete cut-off wall contact position reinforcement structure Download PDFInfo
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- CN216973463U CN216973463U CN202122356767.6U CN202122356767U CN216973463U CN 216973463 U CN216973463 U CN 216973463U CN 202122356767 U CN202122356767 U CN 202122356767U CN 216973463 U CN216973463 U CN 216973463U
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Abstract
The utility model discloses a concrete cut-off wall contact part reinforcing structure, which comprises a soft sealing plate arranged in a cut-off wall foundation pit, wherein the soft sealing plate is installed by being attached to the cut-off wall; the method comprises the following steps that sealing fillers are filled in a gap between a foundation pit of the impervious wall and a pressing plate, concrete layers are poured on two sides of the impervious wall, and the concrete layers are locally poured into the foundation pit of the impervious wall and act on the sealing fillers; this device can carry out the structure to linking position department of cut-off wall and foundation ditch and strengthen, increases the prevention of seepage effect simultaneously, avoids the infiltration, and the structure of this device is comparatively simple, arranges simply, is fit for using widely.
Description
Technical Field
The utility model relates to a reinforcement structure for a contact part of a concrete diaphragm wall.
Background
The impervious wall is a continuous wall built in loose and permeable layer or earth-rock dam (weir) for preventing seepage, and can be extensively used in dam and building field, and its bottom portion can be embedded into bedrock or relatively impermeable stratum to a certain depth, so that it can cut off or reduce the seepage water flow in the foundation, and can ensure the stable permeation of foundation and safety of gate dam. The anti-seepage wall technology has the advantages of reliable structure, good anti-seepage effect, adaptability to various stratum conditions, simple and convenient construction and the like, particularly has good effect on treating the hidden danger of seepage deformation such as dam foundation seepage, behind-dam 'soil flow' and 'piping', and the like, and is widely applied at home and abroad. The seepage-proofing treatment with seepage-proofing pressure such as water conservancy and hydropower covering layers, earth-rock cofferdams and the like in China is generally the first choice of the seepage-proofing wall, and the existing seepage-proofing walls generally comprise common concrete seepage-proofing walls, reinforced concrete seepage-proofing walls, clay concrete seepage-proofing walls, plastic concrete seepage-proofing walls and mortar seepage-proofing walls. The problem that it exists is that there is the pouring gap between cut-off wall and the cut-off wall foundation ditch. The existence of casting gaps can cause the bottom of the impervious wall to slowly seep water.
Therefore, a concrete impervious wall contact part reinforcing structure for waterproof reinforcement at the joint position of the impervious wall and the impervious wall foundation pit is designed.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a concrete impervious wall contact part reinforcing structure for performing waterproof reinforcement on a joint position of an impervious wall and an impervious wall foundation pit.
The utility model is realized by the following technical scheme:
a concrete cut-off wall contact position reinforcing structure comprises a soft sealing plate installed in a cut-off wall foundation pit, wherein the soft sealing plate is installed in a mode of being attached to the cut-off wall, a pressing plate is arranged at one end, away from the cut-off wall, of the soft sealing plate, and an outer supporting device is matched with the outer side of the pressing plate; and filling sealing filler in a gap between the foundation pit of the impervious wall and the pressing plate, pouring concrete layers on two sides of the impervious wall, and locally pouring the concrete layers into the foundation pit of the impervious wall to act on the sealing filler.
Preferably, the sealing packing comprises a plurality of packing which are stacked up and down, and the contact positions of the upper and lower layers of packing are glued and fixedly connected.
The packing has lower cost and better sealing performance after compaction.
Preferably, the excavation of both sides of cut-off wall foundation ditch forms domatic, outer strutting arrangement is including transversely inserting to loop bar in the slope, that one end that cut-off wall was kept away from to the loop bar is sealed, loop bar fit in has a screw rod, the screw rod is kept away from that one end of loop bar is provided with the briquetting, the briquetting acts on the clamp plate.
Among the foretell technical scheme, through the domatic of excavation formation, the loop bar is convenient for transversely squeeze into. And the action force on the pressing plate can be adjusted by matching with the screw rod with the adjustable transverse position, so that the compactness of the pressing plate is improved, and the stability of the whole device is improved.
Preferably, the outer supporting device is arranged every 2-4 meters of the pressing plate.
Preferably, the screw is provided with a polygonal stressed portion at a position close to the pressing block.
Among the foretell technical scheme, can conveniently apply the rotation moment of torsion through the setting of atress part, rotate the screw rod.
Preferably, the top of loop bar is provided with the through-hole that radially runs through, through the through-hole is squeezed into there is the stock, the stock is perpendicular the loop bar, the upper end of stock has the end, the end flushes with ground, concrete layer covers the end.
Due to the fact that the dead weight of the impervious wall is large, when the impervious wall is supported due to geological changes or other reasons and displacement of a small amplitude is generated, large acting force can be applied to the loop bar, and the compaction force between the pressing plate and the soft sealing layer is weakened. Therefore, the structure is designed, the sleeve rod can be fixed in position through the matching of the anchor rod and the sleeve rod, and meanwhile, a certain reinforcing effect is achieved on the impervious wall. And the impervious wall can be further stabilized due to the covering of the concrete layer.
Preferably, the pressing plate is a steel plate, and the surface of the pressing plate is plated with an anti-rust layer.
In the technical scheme, the thickness of the steel plate is 20 mm-40 mm, and the steel plate with larger thickness is adopted, so that the compaction effect on the soft sealing layer is increased, and the sealing effect between the soft sealing layer and the anti-seepage wall body is ensured. The corrosion resistance of the pressing plate can be improved by plating the anti-rust layer on the surface.
The construction mode of the device is as follows:
firstly, excavating a foundation pit at two sides of a poured impervious wall to form a 16-24 cm interval between the impervious wall and the inner wall of the foundation pit, then attaching and mounting a flexible sealing plate and the impervious wall, then mounting a pressing plate, reinforcing the pressing plate through an external supporting device, then mounting a sealing filler, and finally pouring a concrete layer.
The beneficial effects of the utility model are: this device can carry out the structure to linking position department of cut-off wall and foundation ditch and strengthen, increases the prevention of seepage effect simultaneously, avoids the infiltration, and the structure of this device is comparatively simple, arranges simply, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a partial enlarged view of fig. 1 at a.
Detailed Description
All of the features disclosed in this specification, or all of the steps of any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, are not to be construed as limiting the utility model.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "penetrating," "inserted," and the like are to be understood broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, the reinforcement structure for the contact part of the concrete cut-off wall comprises a flexible sealing plate 1 installed in a foundation pit of the cut-off wall, wherein the flexible sealing plate 1 is made of rubber, the flexible sealing plate 1 is installed in a manner of being attached to the cut-off wall, a pressing plate 2 is arranged at one end, away from the cut-off wall, of the flexible sealing plate 1, and an outer support device 3 is matched with the outer side of the pressing plate 2; and a sealing filler 4 is filled in a gap between the foundation pit of the impervious wall and the pressing plate 2, concrete layers 5 are poured on two sides of the impervious wall, and the concrete layers 5 are locally poured into the foundation pit of the impervious wall and act on the sealing filler 4.
In a preferred embodiment of the present invention, the packing 4 includes a plurality of packing elements stacked up and down, and the contact positions of the upper and lower packing elements are glued and fixed.
The packing has lower cost and better sealing performance after compaction.
According to a preferred embodiment of the utility model, slope surfaces 121 are formed by excavating two sides of a foundation pit of the impervious wall, the outer supporting device 3 comprises a loop bar 301 transversely inserted into the slope surfaces 121, one end of the loop bar 301 far away from the impervious wall is closed, a screw 302 is matched in the loop bar 301, a pressing block 303 is arranged at one end of the screw 302 far away from the loop bar, and the pressing block 303 acts on the pressing plate 2.
Among the foretell technical scheme, through the domatic of excavation formation, the loop bar is convenient for transversely squeeze into. And the action force on the pressing plate can be adjusted by matching with the screw rod with the adjustable transverse position, so that the compactness of the pressing plate is improved, and the stability of the whole device is improved.
In a preferred embodiment of the utility model, said outer support means 3 are arranged every 2 meters of the press plate 2.
In a preferred embodiment of the present invention, the screw 302 is provided with a polygonal force receiving portion 333 at a position close to the pressing block 303.
Among the foretell technical scheme, can conveniently apply the rotation moment of torsion through the setting of atress part, rotate the screw rod.
In a preferred embodiment of the present invention, a through hole 331 is formed at the top of the sleeve rod 301, an anchor rod 332 is driven through the through hole 331, the anchor rod 332 is perpendicular to the sleeve rod 301, the upper end of the anchor rod 332 has a head 334, the head 334 is flush with the ground, and the head is covered by the concrete layer.
Due to the fact that the dead weight of the impervious wall is large, when geological changes or other reasons support the impervious wall to generate small-amplitude displacement, large acting force can be applied to the sleeve rod, and the compaction force between the pressing plate and the soft sealing layer is weakened. Therefore, the structure is designed, the position of the sleeve rod can be fixed through the matching of the anchor rod and the sleeve rod, and meanwhile, a certain reinforcing effect is achieved on the impervious wall. And the impervious wall can be further stabilized due to the covering of the concrete layer.
In a preferred embodiment of the present invention, the pressing plate 2 is a steel plate, and the surface thereof is plated with a rust-proof layer.
In the technical scheme, the thickness of the steel plate is 30mm, and the steel plate with larger thickness is adopted, so that the compaction effect on the soft sealing layer is increased, and the sealing effect between the soft sealing layer and the impervious wall body is ensured. The corrosion resistance of the pressing plate can be improved by plating the anti-rust layer on the surface.
The construction mode of the device is as follows:
firstly, excavating a foundation pit at two sides of a poured impervious wall to form a 16-24 cm interval between the impervious wall and the inner wall of the foundation pit, then attaching and mounting a flexible sealing plate and the impervious wall, then mounting a pressing plate, reinforcing the pressing plate through an external supporting device, then mounting a sealing filler, and finally pouring a concrete layer.
The beneficial effects of the utility model are: this device can carry out the structure to linking position department of cut-off wall and foundation ditch and strengthen, increases the prevention of seepage effect simultaneously, avoids the infiltration, and the structure of this device is comparatively simple, arranges simply, is fit for using widely.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (7)
1. The utility model provides a concrete cut-off wall contact site reinforcement structure which characterized in that: the anti-seepage wall sealing device comprises a flexible sealing plate arranged in a foundation pit of the anti-seepage wall, wherein the flexible sealing plate is attached to the anti-seepage wall for installation, a pressing plate is arranged at one end, away from the anti-seepage wall, of the flexible sealing plate, and an outer supporting device is matched with the outer side of the pressing plate; and filling sealing filler in a gap between the foundation pit of the impervious wall and the pressing plate, pouring concrete layers on two sides of the impervious wall, and locally pouring the concrete layers into the foundation pit of the impervious wall to act on the sealing filler.
2. The concrete cut-off wall contact part reinforcing structure of claim 1, characterized in that: the sealing packing comprises a plurality of packing stacked up and down, and the contact positions of the upper and lower packing layers are glued and fixedly connected.
3. The concrete cut-off wall contact part reinforcing structure of claim 1, characterized in that: the both sides excavation of impervious wall foundation ditch forms domaticly, outer strutting arrangement is including transversely inserting to loop bar in the slope, that one end that the impervious wall was kept away from to the loop bar is sealed, the loop bar fit in has a screw rod, the screw rod is kept away from that one end of loop bar is provided with the briquetting, the briquetting acts on the clamp plate.
4. The concrete cut-off wall contact part reinforcing structure according to claim 1 or 3, characterized in that: and arranging one outer supporting device every 2-4 meters of the pressing plate.
5. The concrete cut-off wall contact part reinforcing structure of claim 3, characterized in that: the screw is provided with a polygonal stressed part at a position close to the pressing block.
6. The concrete cut-off wall contact part reinforcing structure of claim 3, characterized in that: the top of loop bar is provided with the through-hole that radially runs through, through the anchor rod has been squeezed into to the through-hole, the anchor rod is perpendicular the loop bar, the upper end of anchor rod has the end, the end flushes with ground, concrete layer covers the end.
7. The concrete cut-off wall contact part reinforcing structure of claim 1, characterized in that: the pressing plate is a steel plate, and the surface of the pressing plate is plated with an anti-rust layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122356767.6U CN216973463U (en) | 2021-09-28 | 2021-09-28 | Concrete cut-off wall contact position reinforcement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122356767.6U CN216973463U (en) | 2021-09-28 | 2021-09-28 | Concrete cut-off wall contact position reinforcement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216973463U true CN216973463U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122356767.6U Active CN216973463U (en) | 2021-09-28 | 2021-09-28 | Concrete cut-off wall contact position reinforcement structure |
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| Country | Link |
|---|---|
| CN (1) | CN216973463U (en) |
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2021
- 2021-09-28 CN CN202122356767.6U patent/CN216973463U/en active Active
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