CN220686110U - Earth stone cofferdam structure - Google Patents
Earth stone cofferdam structure Download PDFInfo
- Publication number
- CN220686110U CN220686110U CN202322332564.2U CN202322332564U CN220686110U CN 220686110 U CN220686110 U CN 220686110U CN 202322332564 U CN202322332564 U CN 202322332564U CN 220686110 U CN220686110 U CN 220686110U
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- CN
- China
- Prior art keywords
- weir body
- net bag
- geomembrane
- gravels
- bagged
- Prior art date
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- 239000004575 stone Substances 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004927 clay Substances 0.000 claims abstract description 10
- 239000011435 rock Substances 0.000 claims description 18
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000009991 scouring Methods 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 5
- 239000002689 soil Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model relates to a soil and stone cofferdam structure which comprises a weir body, wherein a geomembrane is laid on one side of the weir body, a first net bag and a second net bag are arranged on one side of the geomembrane, the second net bag is far away from the geomembrane, bagged gravels are filled between the first net bag and the second net bag, clay layers are filled between the first net bag and the second net bag and are positioned outside the bagged gravels, an impervious wall is arranged at the bottom and inside the weir body, and a waterproof layer is arranged at the bottom of the impervious wall. The dam has the advantages that the dam can be reinforced by arranging the bagged gravels, meanwhile, scouring of water flow to the dam can be reduced, a clay layer can be paved between the bagged gravels and combined with the bagged gravels on the outer side of the geomembrane to form a good isolation layer again, so that the seepage-proofing capacity of the dam is improved, the paving and combining method is simple, the construction efficiency is high, the second net bag is paved on the outermost side, the structure on the outer side of the dam can be integrally covered and fixed, and the stability of the integral structure is ensured.
Description
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to an earth-rock cofferdam structure.
Background
The earth-rock cofferdam is formed by filling earth and stones and is used as an upstream and downstream transverse cofferdam, so that the earth-rock cofferdam can fully utilize local materials, has strong adaptability to a foundation and is simple in construction process. According to whether the foundation pit allows flooding: overflow cofferdam, but not overflow cofferdam. It is generally used for non-overflow cofferdam, such as overflow cofferdam, to allow flood season water to pass, and to provide proper protection, and to provide protection against water overflows, downstream foundations of cofferdam and joints on both sides. The impermeable structure forms of the earth-rock cofferdam comprise earth core walls, inclined walls, concrete core walls, inclined walls, steel sheet pile core walls and other impermeable core wall structures. The earth-rock cofferdam is formed by piling earth and rock blocks, is convenient to form, but is easy to impact the earth-rock cofferdam in a water area with a large flow speed, and the weir body of the earth-rock cofferdam is easy to be unstable due to water seepage under repeated flushing of water flow, so that the overall stability of the earth-rock cofferdam is poor. Accordingly, one skilled in the art would provide an earth-rock cofferdam structure to solve the problems set forth in the background above.
Disclosure of Invention
In view of the foregoing problems of the prior art, a primary object of the present utility model is to provide an earth-rock cofferdam structure.
The technical scheme of the utility model is as follows: the utility model provides a soil stone cofferdam structure, includes the weir body, the geomembrane has been laid to one side of weir body, one side of geomembrane is provided with first string bag and second string bag, the geomembrane is kept away from to the second string bag, it has the gravel in bags to fill between first string bag and the second string bag, just for being located the outside packing of gravel in bags between first string bag and the second string bag has clay layer, the bottom and the inside of weir body are equipped with the wall that prevents seepage, just the bottom of wall that prevents seepage is equipped with the waterproof layer.
As a preferred embodiment, the inside of the weir body is equipped with a plurality of reinforced concrete pile, can be used to strengthen the overall stability of the weir body under the effect of reinforced concrete pile, lay the geomembrane on the domatic of the weir body, the geomembrane can be regarded as the barrier protection weir body, lay first string bag in geomembrane one side, first string bag can cover fixedly to the geomembrane, in order to guarantee the inseparable laminating of geomembrane and weir body, lay the bagging gravel in first string bag one side, can consolidate the weir body under the effect of bagging gravel, simultaneously reducible rivers are to the washing away of weir body under the effect of bagging gravel, fine protection weir body, and the layer of covering clay can combine in the geomembrane outside with the bagging gravel again to form good isolation layer, make the barrier's impermeable capacity obtain improving, and the layer bonding method is simple, the efficiency of being high, lay the second string bag in the outside, can cover fixedly to the whole structure outside the geomembrane, the stability of integral structure has been guaranteed, set up the diaphragm at the bottom of weir body and can prevent that diaphragm and diaphragm from permeating and diaphragm water or can make the diaphragm by the water-proof layer, the performance is better, the diaphragm can be made at the diaphragm, the diaphragm is manufactured by the high performance of the diaphragm, the diaphragm can be made at the diaphragm, the diaphragm is convenient.
As a preferred embodiment, the top of the weir body is paved with a top layer, and the top layer can be paved on the top of the weir body by the broken stone and the mud stone slag, so that the height of the weir body can be well increased according to the requirement to meet the use requirement.
As a preferred embodiment, the top of top layer fixedly connected with retaining wall, the retaining wall can prevent rivers from scouring the weir body when the water level is too high, has protected the stability of weir body, can carry out safety protection to one side of top layer simultaneously.
As a preferred implementation mode, the bottom of second string bag is equipped with the rubble layer, and the rubble layer can press the bottom of second string bag to the better fixed of second string bag to guarantee the effect of second string bag to gravel in bags, first string bag and geomembrane gland.
As a preferred implementation mode, the first net bag and the second net bag are made of stainless steel materials, and the structural shape of the first net bag and the second net bag made of metal materials can be guaranteed, so that the stability of placing bagged gravels inside can be better guaranteed, and meanwhile, the service life of the stainless steel materials can be prolonged.
As a preferred embodiment, the waterproof layer is made of acrylic waterproof paint, and the acrylic waterproof paint can well form a seamless waterproof layer, and has the advantages of environmental protection and simplicity in operation.
Compared with the prior art, the utility model has the advantages and positive effects that:
according to the utility model, the first net bag is arranged on one side of the geomembrane, the first net bag can cover and fix the geomembrane so as to ensure that the geomembrane is tightly attached to the weir body, the bagged gravels are paved on one side of the first net bag, the weir body can be reinforced under the action of the bagged gravels, meanwhile, the scouring of water flow to the weir body can be reduced under the action of the bagged gravels, the weir body is well protected, a clay layer can be paved between the bagged gravels and combined with the bagged gravels on the outer side of the geomembrane to form a good isolation layer again, so that the seepage-proofing capability of the weir body is improved, the paving and combining method is simple, the construction efficiency is high, the second net bag is paved on the outermost side, the structure on the outer side of the weir body can be integrally covered and fixed, the stability of the integral structure is ensured, the materials are simple, and the construction is convenient.
Drawings
FIG. 1 is a schematic side cross-sectional view of the present utility model.
Legend description: 1. a weir body; 2. geomembrane; 3. a first net bag; 4. bagging gravel; 5. a clay layer; 6. a second net bag; 7. reinforced concrete piles; 8. a seepage-proof wall; 9. a top layer; 10. a water retaining wall; 11. a crushed stone layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.
The utility model will be further described with reference to the drawings and the specific embodiments
Examples
As shown in fig. 1, the present utility model provides a technical solution: the earth and stone cofferdam structure comprises a weir body 1, wherein a geomembrane 2 is paved on one side of the weir body 1, a first net bag 3 and a second net bag 6 are arranged on one side of the geomembrane 2, the second net bag 6 is far away from the geomembrane 2, bagged gravels 4 are filled between the first net bag 3 and the second net bag 6, clay layers 5 are filled on the outer sides of the bagged gravels 4 between the first net bag 3 and the second net bag 6, an impervious wall 8 is arranged at the bottom and the inside of the weir body 1, a waterproof layer is arranged at the bottom of the impervious wall 8, the geomembrane 2 is paved on the slope of the weir body 1, the geomembrane 2 can serve as an impervious layer to protect the weir body 1, the first net bag 3 is paved on one side of the geomembrane 2, the first net bag 3 can cover and fix the geomembrane 2 so as to ensure the close fit of the geomembrane 2 and the weir body 1, the bagged gravels 4 are paved on one side of the first net bag 3, the weir body 1 can be reinforced under the action of the bagged gravels 4, meanwhile, the scouring of water flow to the weir body 1 can be reduced under the action of the bagged gravels 4, the weir body 1 is well protected, a clay layer 5 is paved between the bagged gravels 4 and can be combined with the bagged gravels 4 on the outer side of the geomembrane 2 to form a good isolation layer again, so that the seepage-proofing capacity of the weir body 1 is improved, the paving and combining method is simple, the construction efficiency is high, the second net bag 6 is paved on the outermost side, the structure on the outer side of the weir body 1 can be integrally covered and fixed, the stability of the integral structure is ensured, meanwhile, the bottom of the weir body 1 is provided with the seepage-proofing wall 8 which can prevent the infiltration of underground water and underground water, the seepage-proofing wall 8 can be made of concrete or reinforced concrete, the manufacture is convenient, and the seepage-proofing performance of the seepage-proofing wall 8 can be improved by arranging a high-performance waterproof layer on the outer side of the seepage-proofing wall 8, and the use effect is better;
the inside of the weir body 1 is provided with a plurality of reinforced concrete piles 7, and the reinforced concrete piles 7 can be used for enhancing the overall stability of the weir body 1;
wherein, the top of the weir body 1 is paved with a top layer 9, and the top layer 9 can be paved on the top of the weir body 1 by the construction of broken stone and mud stone slag, so that the height of the weir body 1 can be well increased according to the requirement to meet the use requirement;
the top of the top layer 9 is fixedly connected with a water retaining wall 10, the water retaining wall 10 can prevent water flow from scouring the weir body 1 when the water level is too high, the stability of the weir body 1 is protected, and meanwhile, one side of the top layer 9 can be safely protected;
the crushed stone layer 11 is arranged at the bottom of the second net bag 6, and the crushed stone layer 11 can press and cover the bottom of the second net bag 6 to fix the second net bag 6 better so as to ensure the effect of the second net bag 6 on pressing the bagged gravels 4, the first net bag 3 and the geomembrane 2;
the first net bag 3 and the second net bag 6 are made of stainless steel, the structural shape of the first net bag 3 and the second net bag 6 made of metal can be guaranteed, and therefore stability of placing the bagged gravels 4 inside can be guaranteed better, and meanwhile the service life of the stainless steel can be prolonged;
the waterproof layer is made of acrylic acid waterproof paint, and the acrylic acid waterproof paint can well form a layer of seamless waterproof layer, and has the advantages of environmental protection and simplicity in operation.
Working principle:
as shown in fig. 1, the geomembrane 2 can be used as an impermeable layer to protect the weir body 1, the first string bag 3 is paved on one side of the geomembrane 2, the first string bag 3 can cover and fix the geomembrane 2, so that the tight fitting of the geomembrane 2 and the weir body 1 is ensured, the bagged gravels 4 are paved on one side of the first string bag 3, the weir body 1 can be reinforced under the action of the bagged gravels 4, meanwhile, the scouring of water flow to the weir body 1 can be reduced under the action of the bagged gravels 4, the weir body 1 is well protected, and a clay layer 5 is paved between the bagged gravels 4, the bagged gravels 4 can be combined with the bagged gravels 4 to form a good isolation layer again on the outer side of the geomembrane 2, so that the impermeable capacity of the weir body 1 is improved, the paving and combining method is simple, the construction efficiency is high, the second string bag 6 is paved on the outermost side, the bottom of the second string bag 6 is pressed and covered by the stone layer 11, the whole structure on the outer side of the weir body 1 can be fixed, the stability of the whole structure is ensured, meanwhile, the bottom of the weir body 1 is provided with a wall 8 to prevent the permeation of underground water and the impermeable water, the impermeable wall 8 can be manufactured by the impermeable wall 8 or the impermeable wall is more conveniently provided with the impermeable wall 8.
Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The utility model provides an earth rock cofferdam structure, includes weir body (1), its characterized in that: geomembrane (2) has been laid to one side of the weir body (1), one side of geomembrane (2) is provided with first string bag (3) and second string bag (6), geomembrane (2) are kept away from to second string bag (6), it has gravel (4) in bags to fill between first string bag (3) and second string bag (6), just fill in bags the outside of gravel (4) in bags between first string bag (3) and second string bag (6) has clay layer (5), the bottom and the inside of the weir body (1) are equipped with wall (8), just the bottom of wall (8) is equipped with the waterproof layer.
2. An earth-rock cofferdam structure as in claim 1, wherein: the inside of the weir body (1) is provided with a plurality of reinforced concrete piles (7).
3. An earth-rock cofferdam structure as in claim 2, wherein: the top of the weir body (1) is paved with a top layer (9).
4. A earth-rock cofferdam structure as in claim 3, wherein: the top of the top layer (9) is fixedly connected with a water retaining wall (10).
5. An earth-rock cofferdam structure as in claim 4, wherein: the bottom of the second net bag (6) is provided with a gravel layer (11).
6. An earth-rock cofferdam structure as in claim 1, wherein: the first net bag (3) and the second net bag (6) are made of stainless steel materials.
7. An earth-rock cofferdam structure as in claim 6, wherein: the waterproof layer is made of acrylic waterproof paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322332564.2U CN220686110U (en) | 2023-08-30 | 2023-08-30 | Earth stone cofferdam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322332564.2U CN220686110U (en) | 2023-08-30 | 2023-08-30 | Earth stone cofferdam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220686110U true CN220686110U (en) | 2024-03-29 |
Family
ID=90374413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322332564.2U Active CN220686110U (en) | 2023-08-30 | 2023-08-30 | Earth stone cofferdam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220686110U (en) |
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2023
- 2023-08-30 CN CN202322332564.2U patent/CN220686110U/en active Active
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