CN218405316U - Earth and rockfill dam removes dangerous and consolidates prevention of seepage processing structure - Google Patents
Earth and rockfill dam removes dangerous and consolidates prevention of seepage processing structure Download PDFInfo
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- CN218405316U CN218405316U CN202222216508.8U CN202222216508U CN218405316U CN 218405316 U CN218405316 U CN 218405316U CN 202222216508 U CN202222216508 U CN 202222216508U CN 218405316 U CN218405316 U CN 218405316U
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Abstract
The application discloses an earth and rockfill dam danger removal reinforcement seepage prevention treatment structure which comprises a supporting layer and a seepage prevention film layer arranged on the water facing side of the supporting layer; the supporting layer comprises a plurality of steel meshes, each steel mesh comprises a frame body and a mesh body arranged in the hollow part of the frame body, and a splicing structure for splicing the adjacent steel meshes is arranged on the frame body. This application has the effect that the prevention of seepage membrane overstretching damage and then the prevention of seepage effect of avoiding earth-rock dam receives the influence of avoiding soil sedimentation to lead to.
Description
Technical Field
The application relates to the technical field of earth and rockfill dam seepage prevention, in particular to an earth and rockfill dam danger removal reinforcement seepage prevention processing structure.
Background
The earth and rockfill dam is a retaining dam which is built by throwing, filling, rolling and other methods of local earth materials, stone materials or mixture materials, is mainly used for flood control and danger removal, and the earth and rockfill dam built at the upstream is washed by water flow for a long time, so that the dam body is easy to age, the strength is insufficient, and the seepage resistance is insufficient, therefore, the earth and rockfill dam needs to be reinforced and subjected to seepage control so as to avoid the dangerous situation of the aged earth and rockfill dam.
As gaps exist among earth and stone materials of the earth and stone dam, a leakage channel is easily formed under the action of the difference between upstream and downstream water levels when the earth and stone dam blocks water, so that the seepage resistance is the main work in the danger removal and reinforcement operation of the earth and stone dam, and the common seepage resistance mode of the earth and stone dam is to lay a seepage-proof film on a dam body.
In view of the above-mentioned related art, the inventors found that the following drawbacks exist: although the anti-seepage film has certain tensile strength, the earth and rockfill dam is strong in impact of water flow, and the earth and rockfill dam is general in foundation strength due to the characteristics of the earth and rockfill dam, so that soil settlement is easy to occur, the anti-seepage film is damaged by excessive stretching, and the anti-seepage effect of the earth and rockfill dam is affected.
SUMMERY OF THE UTILITY MODEL
In order to avoid the seepage-proofing membrane overstretch damage to cause and exert an influence to the impervious effect of earth and rockfill dam, the application provides an earth and rockfill dam removes dangerous reinforcement seepage prevention processing structure.
The application provides an earth and rockfill dam removes dangerous reinforcement seepage prevention processing structure adopts following technical scheme:
an earth and rockfill dam danger removal reinforcement seepage-proofing treatment structure comprises a supporting layer and a seepage-proofing film layer arranged on the water facing side of the supporting layer; the supporting layer comprises a plurality of steel meshes, each steel mesh comprises a frame body and a mesh body arranged in the hollow part of the frame body, and a splicing structure for splicing the adjacent steel meshes is arranged on the frame body.
By adopting the technical scheme, the anti-seepage film layer is used for realizing the anti-seepage effect of the earth and rockfill dam, and the anti-seepage film layer is a flexible layer with certain deformation capacity, so that the earth and rockfill dam can still have a good anti-seepage effect when soil at the earth and rockfill dam is settled to a certain degree; the anti-seepage film layer is supported through a steel mesh, so that the anti-seepage film is prevented from being excessively stretched and damaged due to soil settlement, and the anti-seepage effect of the earth-rock dam is prevented from being influenced; make the steel mesh realize the assembled installation at earth and rockfill dam body job site through mosaic structure, the constructor of being convenient for carries out the construction of supporting layer.
Optionally, the splicing structure includes a vertical protrusion fixedly connected to one side of the frame body in the thickness direction, the width of the vertical protrusion is smaller than the thickness of the frame body, and a vertical splicing groove in splicing fit with the vertical protrusion is further formed in the other side of the frame body;
one end of the frame body in the thickness direction is fixedly connected with a transverse bulge, the width of the transverse bulge is smaller than the thickness of the frame body, and the other end of the frame body is further provided with a transverse splicing groove matched with the transverse bulge in an inserted connection mode.
Through adopting above-mentioned technical scheme, insert the vertical splice groove in the framework rather than adjacent with vertical arch in a framework, insert horizontal arch in another rather than the horizontal splice groove in the adjacent framework simultaneously for the framework can both splice as a whole rather than adjacent framework in level, the vertical direction, and the simple operation has just improved the holistic holding power of supporting layer, still supports the protective film layer when soil takes place the subsidence of certain degree.
Optionally, the width of one side of the vertical protrusion far away from the frame body is greater than the width of one side of the vertical protrusion close to the frame body, and the vertical splicing groove penetrates through the frame body along the extending direction of the vertical splicing groove.
Through adopting above-mentioned technical scheme, can insert rather than adjacent vertical splice groove with the vertical arch in the adjacent framework from the one end of framework, two frameworks zonulae occludens that the bellied width setting made the concatenation to accomplish in the horizontal direction are difficult to the alternate segregation, and then make the supporting layer of accomplishing of concatenation have good support to the prevention of seepage rete.
Optionally, the cross section of the vertical protrusion is L-shaped, and the outer side surface of the portion of the vertical protrusion connected with the frame body is coplanar with one side of the frame body close to the anti-seepage film layer.
Through adopting above-mentioned technical scheme, with the vertical arch of L type from the one side lock joint rather than adjacent framework on the local vertical recess, the vertical arch can support tightly in the diapire of vertical slot under hydraulic effect, and then with adjacent two frameworks zonulae occludens in the horizontal direction, the supporting layer that makes the concatenation accomplish has good support to the prevention of seepage rete.
Optionally, a plurality of inserting strips are fixedly connected to the transverse protrusion at intervals along the length direction of the transverse protrusion, and a plurality of inserting holes matched with the inserting strips in an inserting manner are correspondingly formed in the groove walls of the transverse splicing grooves.
By adopting the technical scheme, when the transverse bulges are buckled in the transverse splicing grooves, the inserting strips are inserted into the inserting holes at the same time, the connection tightness of two adjacent frame bodies in the horizontal direction is further improved, and the spliced supporting layer has good support for the anti-seepage film layer.
Optionally, a sealant is arranged at a gap between two adjacent frame bodies after splicing.
Through adopting above-mentioned technical scheme, sealed glue can seal up the clearance between framework and the framework, and then improves the waterproof ability of supporting layer to a certain extent and enables the connection of adjacent steel mesh inseparabler, and then improves the support strength on concatenation layer.
Optionally, a protective layer for protecting the impermeable membrane layer is arranged on one side of the impermeable membrane layer, which is far away from the support layer.
By adopting the technical scheme, the protective layer is used for protecting the other side of the anti-seepage film layer, so that the anti-seepage capability of the anti-seepage film layer is prevented from being influenced due to the fact that the anti-seepage film layer is scratched.
Optionally, a slope protection layer is arranged on one side of the protective layer, which is far away from the anti-seepage film layer.
By adopting the technical scheme, the slope protection layer is used for slowing down the soil erosion speed of the water-facing side of the earth and rockfill dam under the washing of water flow to a certain extent, and further the possibility of soil settlement at the earth and rockfill dam is reduced.
Optionally, an impervious wall is further arranged on one side of the supporting layer, which is far away from the impervious film layer.
By adopting the technical scheme, the impervious wall is used for further supporting the whole earth-rock dam and can play a certain role in seepage prevention.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the anti-seepage film layer is used for realizing the anti-seepage effect of the earth and rockfill dam, and the anti-seepage film layer is a flexible layer with certain deformation capacity, so that the earth and rockfill dam can still have a good anti-seepage effect when the soil at the earth and rockfill dam is settled to a certain degree; the anti-seepage film layer is supported through a steel mesh, so that the anti-seepage film is prevented from being excessively stretched and damaged due to soil settlement, and the anti-seepage effect of the earth-rock dam is prevented from being influenced; the steel mesh is assembled on the earth and rockfill dam body construction site through the splicing structure, so that construction of a supporting layer is facilitated for constructors;
2. the protective layer is used for protecting the other side of the anti-seepage film layer, so that the anti-seepage capability of the anti-seepage film layer is prevented from being influenced due to the fact that the anti-seepage film layer is scratched;
3. the slope protection layer is used for slowing down the soil loss speed of the water flow of the water-facing side of the earth and rock dam under the washing of the water flow to a certain extent, and further the possibility of soil settlement at the earth and rock dam is reduced.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Fig. 3 is a schematic structural diagram mainly used for showing a support plate in embodiment 1 of the present application.
Fig. 4 is a schematic structural view mainly showing a support plate in embodiment 2 of the present application.
Reference numerals: 1. a support layer; 11. a steel mesh; 111. a frame body; 112. a net body; 12. a vertical protrusion; 13. a vertical splice groove; 14. a transverse bulge; 15. a transverse splicing groove; 16. cutting; 17. a jack; 2. an impermeable film layer; 3. a protective layer; 4. a slope protection layer; 41. an arched frame; 5. and (4) a diaphragm wall.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
Example 1:
the embodiment of the application discloses an earth and rockfill dam danger removal reinforcing anti-seepage treatment structure. Referring to fig. 1, the earth and rockfill dam danger removal reinforcement seepage-proofing treatment structure comprises a seepage-proofing film layer 2 for seepage proofing, wherein a supporting layer 1 for supporting and protecting the seepage-proofing film layer 2 and a protective layer 3 for protecting the seepage-proofing film layer 2 are respectively arranged on two sides of the seepage-proofing film layer 2, a slope protection layer 4 for slowing down the water and soil loss of a dam body is further arranged on one side of the protective layer 3, which is far away from the seepage-proofing film layer 2, and a seepage-proofing wall 5 for reinforcement and seepage proofing is further arranged on one side of the supporting layer 1, which is far away from the seepage-proofing film layer 2.
Referring to fig. 1 and 2, the supporting layer 1 includes a plurality of steel nets 11, each steel net 11 includes a rectangular frame 111 and a net body 112 fixedly connected to the frame 111 in a hollow portion of the frame 111, in the embodiment of the present application, the net body 112 is a single layer and is embedded in the frame 111, in other feasible embodiments, the net body 112 may also be a double layer, and the positions of the double layer net body 112 at two sides of the frame 111 in the thickness direction correspond to each other, so that the surface of the steel net 11 as a whole is as flat as possible; the frame bodies 111 are provided with splicing structures for splicing the adjacent frame bodies 111, and before the protective film layer is installed, the steel nets 11 are spliced into a whole on the water facing side of the earth-rock dam.
Referring to fig. 3, the splicing structure includes a vertical protrusion 12 fixedly connected to one side of the frame body 111 in the thickness direction, in the embodiment of the present application, the cross section of the vertical protrusion 12 is an isosceles trapezoid, and one side of the vertical protrusion 12 opposite to the isosceles trapezoid short side is fixedly connected to the frame body 111, and one side of the vertical protrusion 12 corresponding to the long side is far away from the frame body 111; the width of the vertical protrusion 12 is smaller than the thickness of the frame 111. The slot with the adaptation of pegging graft of vertical arch 12 is seted up to the opposite side of framework 111 thickness direction, and the extending direction of slot is the length direction of framework 111, and the slot runs through framework 111 rather than extending direction, can insert vertical arch 12 in vertical splice groove 13 along the length direction of framework 111, realizes the concatenation of two adjacent steel meshes 11 in the horizontal direction, and makes the steel mesh 11 after the concatenation form a whole.
Further, with reference to fig. 3, one end of the frame 111 in the thickness direction is fixedly connected with a transverse protrusion 14 having a rectangular cross section, the width of the transverse protrusion 14 is smaller than the thickness of the frame 111, and two transverse protrusions 14 are fixedly connected to the bottom end of the frame 111 at intervals in the embodiment of the present application; the other end of the frame 111 in the thickness direction is provided with a transverse splicing groove 15 which is in splicing fit with the transverse protrusion 14.
When laying steel mesh 11, when inserting vertical protrusion 12 into vertical concatenation groove 13, can insert horizontal protrusion 14 into horizontal concatenation groove 15 simultaneously, all splice framework 111 rather than the adjacent framework 111 of level, vertical direction as one and have good support ability wholly, and then make adjacent steel mesh 11 splice as whole.
In order to make the spliced steel meshes 11 connected more tightly, sealant is filled in the gap between the splicing positions of two adjacent steel meshes 11, so that the two adjacent steel meshes 11 can be connected more tightly to resist soil settlement; and after the sealant is filled, the anti-seepage film layer 2 can be laid.
Referring to fig. 1 and 2, the impermeable film layer 2 is an HDPE impermeable geomembrane, and is a flexible film layer with good waterproof capability and certain deformation capability, so that the impermeable film layer 2 is not easy to excessively stretch and deform when soil at the earth and rockfill dam is settled to a certain degree under the support of the steel mesh 11, and the earth and rockfill dam still has good impermeable effect.
Further, in order to avoid that one side of HDPE anti-seepage geomembrane far away from the supporting layer 1 is scratched to cause the whole anti-seepage capability of the anti-seepage film layer 2 to be influenced, one side of the anti-seepage film layer 2 far away from the supporting layer 1 is also provided with a protective layer 3, the protective layer 3 in the embodiment of the application is formed by laying fine sand and gravel filler, and the HDPE anti-seepage geomembrane such as a sharp stone can be avoided as far as possible from causing damage.
With reference to fig. 1 and 2, in order to avoid the water and soil loss of the dam under the washing of water flow and further cause the soil at the dam to settle, a slope protection layer 4 is further arranged on one side of the protective layer 3 away from the protective film layer, the slope protection layer 4 comprises soil laid on the protective layer 3, a plurality of arch frames 41 are fixedly arranged on the slope protection layer 4 in an array manner, and plants are planted in the arch frames 41.
The root system through the plant can have the effect of anchor or muscle to the dam body for the soil structure of dam body is more stable, through arched frame, can discharge rainwater water conservancy diversion rapidly when the rainfall, reduces the soil erosion and water loss that the rainwater erodees and lead to as far as possible, and then improves the stability of dam body structure.
In order to further reinforce and support the dam body, an impervious wall 5 is further arranged on one side of the supporting layer 1, which is far away from the impervious film layer 2. The impervious wall 5 is formed in the dam body by pouring concrete and is used for seepage-proofing and reinforcing the dam body.
The implementation principle of the embankment dam danger-removing and seepage-proofing reinforcing treatment structure provided by the embodiment of the application is as follows: the anti-seepage film layer 2 has a good anti-seepage effect on the earth-rock dam, and the supporting layer 1 supports and protects the anti-seepage film layer 2, so that the anti-seepage film layer 2 is prevented from being damaged due to excessive stretching when the soil of the dam body is settled as far as possible; the anti-seepage film layer 2 is further protected by the protective layer 3, so that the anti-seepage film layer 2 is prevented from being broken; the seepage-proofing danger-removing reinforcement is carried out on the dam body through the seepage-proofing wall 5, the water and soil loss of the dam body is avoided as much as possible through the slope protection layer 4, and the stability of the soil at the dam body is maintained.
Example 2:
the embodiment of the application provides an earth and rockfill dam danger removal reinforcing anti-seepage processing structure. Referring to fig. 4, the embodiment is different from embodiment 1 in that the cross sections of the vertical protrusions 12 and the transverse protrusions 14 in the embodiment of the present application are both L-shaped, the outer side surface of the portion, where the vertical protrusion 12 is connected to the frame body 111, is coplanar with one side, close to the anti-seepage film layer 2, of the frame body 111, the vertical splicing grooves 13 and the transverse splicing grooves 15 are both L-shaped grooves, and the vertical splicing grooves 13 and the transverse splicing grooves 15 both penetrate through the frame body 111 along the extending direction thereof.
When splicing the steel mesh 11, the thickness direction of the frame body 111 fastens the vertical protrusion 12 and the vertical splicing groove 13, and the horizontal protrusion 14 is also fastened in the horizontal splicing groove 15, so that the frame body 111 and the frame body 111 adjacent to the horizontal direction and the vertical direction are connected into a whole.
In order to make the frame 111 spliced in the horizontal direction more stable in connection, a plurality of rectangular inserting strips 16 are fixedly connected to the transverse protrusion 14 at intervals along the length direction, inserting holes (not shown in the figure) matched with the inserting strips 16 in an inserting manner are correspondingly formed in the groove walls of the transverse splicing grooves 15, and when the transverse protrusion 14 is inserted into the transverse splicing grooves 15, the inserting strips 16 are correspondingly inserted into the inserting holes.
The implementation principle of the embankment dam danger-removing and reinforcing anti-seepage treatment structure is substantially the same as that of the embodiment 1, and the difference is as follows: the framework 111 that so splices is convenient for change, when partial framework 111 misplaces, directly demolish the framework 111 that misplaces, consolidate soil after, can directly splice new framework 111 on original framework 111 that does not misplace, will correspond the HDPE prevention of seepage geomembrane of size and weld with the undamaged prevention of seepage rete 2 of week side simultaneously, can accomplish the restoration to supporting layer 1 and prevention of seepage rete 2, easy operation, and the supporting layer 1 that splices is stable.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an earth and rockfill dam removes dangerous prevention of seepage processing structure that consolidates which characterized in that: comprises a supporting layer (1) and an anti-seepage film layer (2) arranged on the water facing side of the supporting layer (1); the supporting layer (1) comprises a plurality of steel meshes (11), each steel mesh (11) comprises a frame body (111) and a mesh body (112) arranged in the hollow part of the frame body (111), and a splicing structure for splicing the adjacent steel meshes (11) is arranged on the frame body (111).
2. The earth and rockfill dam danger removal reinforcement seepage control treatment structure according to claim 1, wherein: the splicing structure comprises a vertical protrusion (12) fixedly connected to one side of the frame body (111) in the thickness direction, the width of the vertical protrusion (12) is smaller than the thickness of the frame body (111), and a vertical splicing groove (13) matched with the vertical protrusion (12) in an inserted manner is further formed in the other side of the frame body (111);
one end of the frame body (111) in the thickness direction is fixedly connected with a transverse protrusion (14), the width of the transverse protrusion (14) is smaller than the thickness of the frame body (111), and the other end of the frame body (111) is further provided with a transverse splicing groove (15) matched with the transverse protrusion (14) in a splicing manner.
3. The earth and rockfill dam danger removal reinforcement seepage control processing structure according to claim 2, wherein: the width of one side, far away from the frame body (111), of the vertical protrusion (12) is larger than the width of one side, close to the frame body (111), of the vertical protrusion (12), and the vertical splicing groove (13) penetrates through the frame body (111) along the extending direction of the vertical splicing groove.
4. The earth and rockfill dam danger removal reinforcement seepage control processing structure according to claim 2, wherein: the cross section of the vertical protrusion (12) is L-shaped, and the outer side face of the part, connected with the frame body (111), of the vertical protrusion (12) is coplanar with one side, close to the anti-seepage film layer (2), of the frame body (111).
5. The structure for danger-removing, reinforcing and seepage-proofing treatment of an earth and rockfill dam as claimed in claim 4, wherein: a plurality of inserting strips (16) are fixedly connected to the transverse protrusion (14) at intervals along the length direction of the transverse protrusion, and a plurality of inserting holes matched with the inserting strips (16) in an inserting mode are correspondingly formed in the groove wall of the transverse splicing groove (15).
6. The earth and rockfill dam danger removal reinforcement seepage control treatment structure according to any one of claims 1 to 5, wherein: and a gap between every two adjacent frames (111) is provided with a sealant after splicing.
7. The earth and rockfill dam danger removal reinforcement seepage control treatment structure according to any one of claims 1 to 5, wherein: and a protective layer (3) for protecting the anti-seepage film layer (2) is arranged on one side of the anti-seepage film layer (2) far away from the supporting layer (1).
8. The earth and rockfill dam danger removal reinforcement seepage control treatment structure according to claim 7, wherein: and a slope protection layer (4) is arranged on one side of the protective layer (3) far away from the anti-seepage film layer.
9. The structure for danger-removing, reinforcing and seepage-proofing treatment of an earth and rockfill dam as claimed in claim 7, wherein: one side of the supporting layer (1) far away from the anti-seepage film layer (2) is also provided with an anti-seepage wall (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222216508.8U CN218405316U (en) | 2022-08-23 | 2022-08-23 | Earth and rockfill dam removes dangerous and consolidates prevention of seepage processing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222216508.8U CN218405316U (en) | 2022-08-23 | 2022-08-23 | Earth and rockfill dam removes dangerous and consolidates prevention of seepage processing structure |
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| Publication Number | Publication Date |
|---|---|
| CN218405316U true CN218405316U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222216508.8U Active CN218405316U (en) | 2022-08-23 | 2022-08-23 | Earth and rockfill dam removes dangerous and consolidates prevention of seepage processing structure |
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|---|---|
| CN (1) | CN218405316U (en) |
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2022
- 2022-08-23 CN CN202222216508.8U patent/CN218405316U/en active Active
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