CN217104956U - Seepage-proofing concrete dam - Google Patents
Seepage-proofing concrete dam Download PDFInfo
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- CN217104956U CN217104956U CN202220077887.4U CN202220077887U CN217104956U CN 217104956 U CN217104956 U CN 217104956U CN 202220077887 U CN202220077887 U CN 202220077887U CN 217104956 U CN217104956 U CN 217104956U
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Abstract
The utility model discloses an anti-seepage type concrete dam relates to hydraulic engineering technical field, and to current reservoir dam seepage prevention structure comparatively simple thin, the problem that the fracture leads to the seepage control ability to reduce appears easily in dam body and cement mortar layer, proposes following scheme now, and it includes rubble basic unit and concrete slab, the concrete base has been laid on rubble basic unit top, concrete slab fixed mounting is in concrete base top, the concrete slab both sides are equipped with the rockfill district, one side that concrete slab was kept away from in the rockfill district is equipped with the support frame, the seepage prevention cloth has been laid to the support frame lateral wall, the cement mortar layer has been laid to seepage prevention cloth one side, cement mortar layer is equipped with the crack control coating, the bottom of support frame, seepage prevention cloth, cement mortar layer and crack control coating all extends to concrete base top. The utility model discloses can strengthen the seepage prevention structure of reservoir dam, improve seepage prevention ability, prevent that long-term back dam seepage prevention ability reduces, improve the safety in utilization of dam.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field especially relates to an prevention of seepage type concrete dam.
Background
Dikes are the generic term for dikes and dams, and also broadly refer to water-resistant and water-retaining buildings and structures: for example, dykes and dams are to be built tightly to prevent water. Modern dams come in two main categories: earth and rockfill dams and concrete dams. An earth-rock dam is a wide dam constructed with earth or stone. The bottom part is wider than the top part because the bottom part is subjected to a much greater water pressure than the top part. Earth and rockfill dams are mostly built across large rivers and are made of common and cheap materials. Because the material is looser, the dynamic shaking of the foundation can be borne. But water will slowly penetrate into the dike, reducing the firmness of the dike. Thus, engineers may add a layer of waterproof clay to the dam surface or design channels to allow some water to flow away. Concrete dams are constructed of concrete, usually in deep and narrow valleys, because only concrete can withstand the high water pressure at the bottom of the dam. Concrete dams can be subdivided into concrete gravity dams, concrete arch dams, concrete buttress dams and the like. The concrete dam is mainly characterized in that the self weight is utilized to support the pressure of a water body.
The existing reservoir dam seepage-proofing structure is thin, after long-term use, the dam body and a cement mortar layer are easy to crack, so that the seepage-proofing capability is reduced, the bottom of the dam is easy to leak, and the use safety of the dam is poor. Therefore, in order to solve such problems, we propose an impermeable concrete dam.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of prevention of seepage type concrete dam has solved the comparatively simple and thin of current reservoir dam seepage prevention structure, and the problem that the fracture leads to the prevention of seepage ability to reduce appears easily in dam body and cement mortar layer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an prevention of seepage type concrete dam, includes rubble basic unit and concrete slab, the concrete base has been laid on rubble basic unit top, concrete slab fixed mounting is on concrete base top, the concrete slab both sides are equipped with the rock-fill district, one side that concrete slab was kept away from in the rock-fill district is equipped with the support frame, the prevention of seepage cloth has been laid to the support frame lateral wall, cement mortar layer has been laid to prevention of seepage cloth one side, cement mortar layer is equipped with the crack control coating, the bottom of support frame, prevention of seepage cloth, cement mortar layer and crack control coating all extends to concrete base top, concrete slab top fixed mounting has the dam crown, dam crown both sides fixed mounting has the backplate, the backplate bottom is laminated with the crack control coating lateral wall.
Preferably, the concrete slab comprises a reinforcing mesh and a concrete layer, wherein the two sides of the reinforcing mesh are fixedly connected with support rings which are symmetrically distributed, and the reinforcing mesh and the support rings are positioned inside the concrete layer.
Preferably, the reinforcing bar net includes horizontal reinforcement and vertical reinforcement, horizontal reinforcement and vertical reinforcement all are evenly distributed, support ring and horizontal reinforcement lateral wall fixed connection.
Preferably, unloading plates which are symmetrically distributed are fixedly installed on two sides of the concrete plate, and the unloading plates extend into the rockfill area.
Preferably, the unloading plates are arranged in two groups, and the two groups of unloading plates are distributed in a step shape.
Preferably, the cross sections of the support frame, the anti-seepage cloth, the cement mortar layer and the anti-cracking coating are all in an L-shaped structure, and the horizontal section of the support frame is attached to the top end of the concrete base.
The utility model has the advantages that:
1. the cement mortar layer is laid, the cement mortar layer has water seepage prevention capacity, the second seepage prevention structure of the dam can be increased by arranging the seepage prevention cloth, the seepage prevention capacity of the dam is further improved, and the crack prevention coating is coated to prevent the cement mortar layer from cracking after being used for a long time and further prevent the seepage prevention capacity from being reduced.
2. Through set up two sets of off-load boards that are the ladder in concrete slab both sides, the grit laminating in off-load board and rockfill district to fill weight and concrete slab dead weight resist the structure of lateral pressure jointly, can improve the holistic intensity of dam, pile up the grit in concrete slab's both sides, can improve the crushing resistance of dam.
In conclusion, in the using process of the dam, the seepage-proofing structure of the reservoir dam can be strengthened, the seepage-proofing capacity is improved, the seepage-proofing capacity of the dam is prevented from being reduced after long-term use, and the use safety of the dam is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the support frame of the present invention;
fig. 3 is a cross-sectional view of a concrete slab of the present invention;
fig. 4 is an exploded view of the reinforcing mesh of the present invention.
Reference numbers in the figures: 1. a macadam base; 2. a concrete base; 3. a concrete slab; 301. a reinforcing mesh; 302. a support ring; 303. transverse reinforcing steel bars; 304. longitudinal reinforcing steel bars; 305. a concrete layer; 4. a rockfill area; 5. a support frame; 6. anti-seepage cloth; 7. a cement mortar layer; 8. an anti-cracking coating; 9. a dam crest; 10. a guard plate; 11. and the unloading plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, an anti-seepage type concrete dam comprises a broken stone base layer 1 and a concrete slab 3, wherein a concrete base 2 is laid at the top end of the broken stone base layer 1, the concrete slab 3 is fixedly installed at the top end of the concrete base 2, a rockfill area 4 is arranged on two sides of the concrete slab 3, a support frame 5 is arranged on one side of the rockfill area 4 away from the concrete slab 3, an anti-seepage cloth 6 is laid on the side wall of the support frame 5, a cement mortar layer 7 is laid on one side of the anti-seepage cloth 6, the cement mortar layer 7 is provided with an anti-cracking coating 8, the cross sections of the support frame 5, the anti-seepage cloth 6, the cement mortar layer 7 and the anti-cracking coating 8 are all in an 'L' shaped structure, the horizontal section of the support frame 5 is attached to the top end of the concrete base 2, the bottom ends of the support frame 5, the anti-seepage cloth 6, the cement mortar layer 7 and the anti-cracking coating 8 all extend to the top end of the concrete base 2, a dam top 9 is fixedly installed at the top end of the concrete slab 3, protective plates 10 are fixedly installed on two sides of the dam top 9, the bottom end of the guard plate 10 is attached to the side wall of the anti-cracking coating 8.
Referring to fig. 3-4, the concrete slab 3 includes a reinforcing mesh 301 and a concrete layer 305, two sides of the reinforcing mesh 301 are fixedly connected with support rings 302 which are symmetrically distributed, the reinforcing mesh 301 and the support rings 302 are located inside the concrete layer 305, the reinforcing mesh 301 includes transverse steel bars 303 and longitudinal steel bars 304, the transverse steel bars 303 and the longitudinal steel bars 304 are uniformly distributed, the support rings 302 and the side walls of the transverse steel bars 303 are fixedly connected, two sides of the concrete slab 3 are fixedly provided with unloading plates 11 which are symmetrically distributed, the unloading plates 11 extend into the rockfill area 4, the unloading plates 11 are provided with two groups, and the two groups of unloading plates 11 are distributed in a stepped manner.
When the dam is used, a concrete base 2 is laid on the top end of a gravel base layer 1, a concrete plate 3 is installed on the top end of the concrete base 2, two groups of unloading plates 11 are installed on two sides of the concrete plate 3, the unloading plates 11 resist lateral pressure together with the filling weight and the self weight of the concrete plate 3, the overall strength of the dam is improved, gravels are stacked on two sides of the concrete plate 3, the compression resistance of the dam is improved, a support frame 5 is laid on one side of a rockfill area 4 and the top end of the concrete base 2, an anti-seepage cloth 6 is laid on one side of the support frame 5, a cement mortar layer 7 is laid on one side and the top end of the anti-seepage cloth 6, an anti-cracking coating 8 is coated on one side of the cement mortar layer 7, and finally a dam top 9 and a protection plate 10 are installed on the top ends of the concrete plate 3 and the rockfill area 4, and the construction of the dam is completed. In the use process of the dam, the cement mortar layer 7 has seepage-proofing capacity, and the seepage-proofing cloth 6 is arranged to increase a second seepage-proofing structure of the dam, so that the seepage-proofing capacity of the dam is further improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an anti-seepage type concrete dam, includes rubble basic unit (1) and concrete slab (3), its characterized in that, concrete base (2) have been laid on rubble basic unit (1) top, concrete slab (3) fixed mounting is on concrete base (2) top, concrete slab (3) both sides are equipped with rockfill district (4), one side that concrete slab (3) were kept away from in rockfill district (4) is equipped with support frame (5), impermeable cloth (6) have been laid to support frame (5) lateral wall, the cement mortar layer (7) has been laid to impermeable cloth (6) one side, cement mortar layer (7) are equipped with crack control coating (8), the bottom of support frame (5), impermeable cloth (6), cement mortar layer (7) and crack control coating (8) all extends to concrete base (2) top, concrete slab (3) top fixed mounting has dam top (9), and protective plates (10) are fixedly mounted on two sides of the dam crest (9), and the bottom ends of the protective plates (10) are attached to the side walls of the anti-cracking coating (8).
2. An impermeable concrete dam according to claim 1, characterized in that the concrete slab (3) comprises a mesh reinforcement (301) and a concrete layer (305), the mesh reinforcement (301) is fixedly connected with a support ring (302) symmetrically distributed on both sides, and the mesh reinforcement (301) and the support ring (302) are located inside the concrete layer (305).
3. An impermeable concrete dam according to claim 2, characterized in that the reinforcement mesh (301) comprises transverse reinforcement bars (303) and longitudinal reinforcement bars (304), the transverse reinforcement bars (303) and the longitudinal reinforcement bars (304) are uniformly distributed, and the support ring (302) is fixedly connected with the side wall of the transverse reinforcement bars (303).
4. The impermeable concrete dam according to claim 1, characterized in that unloading plates (11) are symmetrically arranged on both sides of the concrete plate (3), and the unloading plates (11) extend into the rockfill area (4).
5. An impermeable concrete dam according to claim 4, characterized in that said unloading plates (11) are provided in two groups, and said unloading plates (11) are arranged in a stepped manner.
6. The seepage-proofing concrete dam according to claim 1, characterized in that the cross sections of the support frame (5), the seepage-proofing cloth (6), the cement mortar layer (7) and the anti-cracking coating (8) are all L-shaped structures, and the horizontal section of the support frame (5) is attached to the top end of the concrete base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077887.4U CN217104956U (en) | 2022-01-12 | 2022-01-12 | Seepage-proofing concrete dam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220077887.4U CN217104956U (en) | 2022-01-12 | 2022-01-12 | Seepage-proofing concrete dam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217104956U true CN217104956U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220077887.4U Active CN217104956U (en) | 2022-01-12 | 2022-01-12 | Seepage-proofing concrete dam |
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| CN (1) | CN217104956U (en) |
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2022
- 2022-01-12 CN CN202220077887.4U patent/CN217104956U/en active Active
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