CN220318450U - Check dam structure for erosion ditch treatment - Google Patents
Check dam structure for erosion ditch treatment Download PDFInfo
- Publication number
- CN220318450U CN220318450U CN202322209781.2U CN202322209781U CN220318450U CN 220318450 U CN220318450 U CN 220318450U CN 202322209781 U CN202322209781 U CN 202322209781U CN 220318450 U CN220318450 U CN 220318450U
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- Prior art keywords
- prefabricated
- retaining wall
- dam structure
- erosion
- check dam
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- 230000003628 erosive effect Effects 0.000 title claims abstract description 34
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 2
- 238000005067 remediation Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009991 scouring Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000004576 sand Substances 0.000 description 7
- 239000011150 reinforced concrete Substances 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 239000004746 geotextile Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 241000255789 Bombyx mori Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 241000112525 Salix psammophila Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a check dam structure for erosion ditch treatment, which comprises a prefabricated base and a prefabricated retaining wall, wherein the prefabricated base is provided with a plurality of grooves; the prefabricated base is arranged at the bottom of the erosion ditch, the middle part of the top of the prefabricated base is provided with a transversely extending mounting groove, and a plurality of upwardly extending anchor rods are transversely arranged at intervals at the bottom of the mounting groove near the upstream end; the prefabricated retaining wall comprises a bottom plate, side baffles and supporting plates, the bottom plate is installed in the installation groove, the side baffles are vertically connected to the upper side of the bottom plate close to the upstream end, overflow ports are formed in the middle of the upper end of the side baffles, a plurality of through holes which extend vertically are formed in the side baffles at intervals in the transverse direction, the upper ends of the anchor rods penetrate through the through holes in a one-to-one mode and are anchored to the upper ends of the side baffles through anchors, and a plurality of supporting plates are arranged at intervals in the transverse direction and are vertically connected to the upper side of the bottom plate and the downstream side of the side baffles. The utility model is convenient for construction and construction, has good integral stability and can reduce the scouring of the bottom of the ditch.
Description
Technical Field
The utility model relates to the technical field of erosion ditch treatment, in particular to a check dam structure for erosion ditch treatment.
Background
The erosion ditch is a linear extending groove-shaped concave land, mainly grows on a loose deposition layer of a semiarid climate zone, can grow quickly in a gentle slope area with sparse vegetation, and can lead the terrain to be strongly divided, the land is eaten by silkworms, the road is damaged, and a large amount of water and soil loss is caused.
The check dam is a small dam built in the erosion ditch for intercepting sediment, and has the main functions of: (1) raising a trench bottom erosion base point, preventing the trench bottom from being cut and the trench bank from being expanded, and slowing down the gradient of the trench; (2) sediment is blocked, so that the solid runoff quantity input into a river is reduced; (3) the channel water flow speed is slowed down, and the damage of downstream mountain torrents is reduced; (4) the firm permanent check house group has the function of preventing and treating the debris flow; (5) the channel is flattened segment by segment, and an available dam is formed.
The check gate can be divided into a soil check gate, a stone check gate, a salix psammophila check gate, a branch tip check gate, a timber check gate, a bamboo cage stone-loading check gate, a concrete check gate, a reinforced concrete check gate and the like according to different building materials, and the Chinese patent No. CN202247796U discloses an assembled thin-wall check gate which comprises a precast slab, precast piles, a precast bottom slab and precast struts, wherein pile inserting holes are formed in the precast bottom slab; longitudinal grooves are formed in two sides of the precast pile, a plurality of precast piles are erected in pile inserting holes of the precast bottom plate at intervals, the precast pile is fixed by the precast support on the rear side of the precast pile, and the precast slab is inlaid in the grooves in two sides of the precast pile and is connected with ditch shorelines in two sides to form a sand blocking dam. The structure of the check dam is a reinforced concrete prefabricated member, compared with other types of check dam, the construction period of the check dam is greatly shortened, the engineering construction difficulty is reduced, and the construction organization is greatly simplified. When the check dam is dismantled, all the used components can be reused; can be widely applied to water and soil conservation and farmland hydraulic engineering, has deficient stones and is not suitable for comprehensive treatment of erosive ravines in other types of check-shop treatment areas. Above-mentioned check dam mainly relies on the precast pile that inserts the place under to provide the support for the prefabricated plate, and holistic stability is not good, simultaneously, this check dam's upper and lower low reaches do not set up the guard rail, causes the ditch bottom to erode easily.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a check dam structure for erosion ditch treatment, so that the check dam structure is convenient to construct and build, has good stability of the whole structure, and can reduce the scouring of the bottom of a ditch.
The utility model provides a check dam structure for erosion ditch treatment, which comprises the following components:
the prefabricated base is arranged at the bottom of the erosion ditch, the middle part of the top of the prefabricated base is provided with a transversely extending mounting groove, and a plurality of upwardly extending anchor rods are arranged at intervals in the transverse direction at the bottom of the mounting groove near the upstream end;
prefabricated barricade, prefabricated barricade includes bottom plate, side shield and backup pad, the bottom plate is installed in the mounting groove, the side shield perpendicular connect in the bottom plate leans on the upside of upstream end, the middle part of side shield upper end is provided with the overflow mouth, is provided with a plurality of perforation along vertical extension in the lateral direction interval in the side shield, each the upper end one-to-one of stock passes each perforation and anchor in the upper end of side shield through the ground tackle, the polylith the backup pad in lateral direction interval set up and perpendicular connect in bottom plate upside and side shield's downstream side.
Further, the prefabricated base is composed of a plurality of base units which are spliced in sequence in the transverse direction.
Further, the prefabricated retaining wall is composed of a plurality of retaining wall units which are spliced in sequence in the transverse direction.
Further, the side baffles of adjacent retaining wall units are connected by grooves and tendrils extending vertically.
Further, two through holes are formed in the side baffle plates of each retaining wall unit, and two supporting plates are arranged at the same time.
Further, the upper end of the side baffle of at least one of the retaining wall units in the middle is lower than the side baffles of each of the retaining wall units on both sides thereof.
Further, a broken stone cushion layer is arranged on the lower side of the prefabricated base.
Further, geotechnical cloth is arranged on the lower side of the crushed stone cushion layer.
The beneficial effects of the utility model are as follows:
the check dam structure of this application can adopt mill's precast reinforced concrete base and barricade to transport the mode of job site equipment and construct, during the equipment, install prefabricated base at the ditch bottom of erosion ditch earlier, then install prefabricated barricade at the mounting groove of prefabricated base, anchor prefabricated barricade on prefabricated base through the stock at last, simple to operate, the construction of being convenient for is built.
In the use, the side shield blocks the upstream of erosion ditch and comes the sand, and the water and the sand of side shield upstream side can produce a lateral pressure to the side shield, and prefabricated barricade's side shield passes through the stock and taut on prefabricated base, and prefabricated barricade's low reaches are supported on prefabricated base through backup pad and bottom plate simultaneously, can prevent like this that prefabricated barricade from empting to, the prefabricated base can compress tightly under the effect of the water and the sand gravity of this check dam structure's dead weight and side shield upstream side in erosion ditch's slot bottom, can prevent effectively that this check dam structure from being washed away wholly, therefore this holistic stability of structure is good.
In addition, the prefabricated base of this application extends prefabricated barricade's upper and lower reaches to form respectively the guard-band at the upper and lower reaches, can alleviate the washing of bottom of the ditch.
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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a top view of an embodiment of the present utility model;
FIG. 2 is a section A-A of FIG. 1;
FIG. 3 is a section B-B of FIG. 1.
In the drawings, a base is prefabricated 100-; 110-mounting slots; 120-anchor rod; 121-an anchor; 200-prefabricating a retaining wall; 210-a bottom plate; 220-side baffles; 221-overflow port; 222-perforating; 223-groove; 224-tennons; 230-supporting the plate; 300-rubble bedding; 400-geotextile.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
As shown in fig. 1-3, an embodiment of the present utility model provides a check dam structure for erosion trench remediation, comprising a prefabricated base 100 and a prefabricated retaining wall 200.
The prefabricated base 100 is installed at the bottom of the erosion trench, the middle part of the top of the prefabricated base 100 is provided with a mounting groove 110 extending transversely, and a plurality of anchor rods 120 extending upwards are arranged at intervals transversely at the bottom of the mounting groove 110 near the upstream end.
If the width of the erosion trench is small, the prefabricated base 100 may be formed as a single unit, and if the width of the erosion trench is large, the prefabricated base 100 may be excessively large, so that the prefabricated base 100 may be conveniently transported and lifted, and the prefabricated base 100 may be formed of a plurality of base units sequentially spliced in the lateral direction.
The prefabricated retaining wall 200 comprises a bottom plate 210, side baffles 220 and supporting plates 230, wherein the bottom plate 210 is installed in the installation groove 110, the side baffles 220 are vertically connected to the upper side of the bottom plate 210 near the upstream end, overflow ports 221 are formed in the middle of the upper end of the side baffles 220, a plurality of through holes 222 extending vertically are formed in the side baffles 220 at intervals in the transverse direction, the upper ends of the anchor rods 120 penetrate through the through holes 222 in a one-to-one correspondence manner and are anchored to the upper ends of the side baffles 220 through anchors 121, and a plurality of supporting plates 230 are arranged at intervals in the transverse direction and are vertically connected to the upper side of the bottom plate 210 and the downstream side of the side baffles 220.
If the width of the erosion trench is small, the prefabricated retaining wall 200 may be formed as a single unit, and if the width of the erosion trench is large, the prefabricated retaining wall 200 may be excessively large, so that the prefabricated retaining wall 200 may be conveniently transported and lifted, and the prefabricated retaining wall 200 may be formed of a plurality of retaining wall units sequentially spliced in the lateral direction.
To improve the assembled integrity of prefabricated wall 200, the side guards 220 of adjacent wall units are connected by vertically extending grooves 223 and tendrils 224.
In this embodiment, two through holes 222 are specifically formed in the side baffle 220 of each retaining wall unit, and two support plates 230 are simultaneously formed.
In this embodiment, the upper end of the side baffle 220 of at least one retaining wall unit in the middle is lower than the side baffle 220 of each retaining wall unit on both sides thereof, and after the splicing of each retaining wall unit is completed, the overflow port 221 can naturally be formed in the middle of the prefabricated retaining wall 200.
In addition, the lower side of the prefabricated base 100 is provided with a gravel cushion 300, and the gravel cushion 300 can play a role in leveling a foundation and water seepage. In order to prevent the sedimentation of the check dam structure caused by the emptying of soil at the lower side of the gravel pad 300 when the upstream inflow water passes through the gravel pad 300, the lower side of the gravel pad 300 is provided with geotextile 400.
The check dam structure of this application can adopt mill's prefabricated reinforced concrete base and barricade to transport the mode of job site equipment and construct, during the equipment, install prefabricated base 100 at the ditch bottom of erosion ditch earlier, then install prefabricated barricade 200 in prefabricated base 100's mounting groove 110, anchor prefabricated barricade 200 on prefabricated base 100 through stock 120 at last, simple to operate, the construction of being convenient for is built.
In the use process, the side baffle 220 blocks the upstream incoming water and the incoming sand of the erosion trench, the water and the sand on the upstream side of the side baffle 220 can generate a lateral pressure on the side baffle 220, the side baffle 220 of the prefabricated retaining wall 200 is tensioned on the prefabricated base 100 through the anchor rod 120, and meanwhile, the downstream side of the prefabricated retaining wall 200 is supported on the prefabricated base 100 through the supporting plate 230 and the bottom plate 210, so that the prefabricated retaining wall 200 can be prevented from toppling over, and the prefabricated base 100 can be tightly pressed at the bottom of the erosion trench under the action of the dead weight of the check dam structure and the water and the sand on the upstream side of the side baffle 220, so that the check dam structure can be effectively prevented from being washed away integrally, and the stability of the whole structure is good.
In addition, the prefabricated base 100 of the present application extends out of the upstream and downstream of the prefabricated retaining wall 200, so that the guard is formed at the upstream and downstream respectively, and the scouring of the bottom of the ditch can be reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; 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 by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (8)
1. A check dam structure for erosion trench remediation, comprising:
the prefabricated base is arranged at the bottom of the erosion ditch, the middle part of the top of the prefabricated base is provided with a transversely extending mounting groove, and a plurality of upwardly extending anchor rods are arranged at intervals in the transverse direction at the bottom of the mounting groove near the upstream end;
prefabricated barricade, prefabricated barricade includes bottom plate, side shield and backup pad, the bottom plate is installed in the mounting groove, the side shield perpendicular connect in the bottom plate leans on the upside of upstream end, the middle part of side shield upper end is provided with the overflow mouth, is provided with a plurality of perforation along vertical extension in the lateral direction interval in the side shield, each the upper end one-to-one of stock passes each perforation and anchor in the upper end of side shield through the ground tackle, the polylith the backup pad in lateral direction interval set up and perpendicular connect in bottom plate upside and side shield's downstream side.
2. The check dam structure for erosion pit management as set forth in claim 1, wherein,
the prefabricated base consists of a plurality of base units which are spliced in sequence in the transverse direction.
3. The check dam structure for erosion pit management as set forth in claim 1, wherein,
the prefabricated retaining wall consists of a plurality of retaining wall units which are spliced in sequence in the transverse direction.
4. A check dam structure for erosion pit management as defined in claim 3, wherein,
the side baffles of adjacent retaining wall units are connected through grooves and protruding haws extending along the vertical direction.
5. A check dam structure for erosion pit management as defined in claim 3, wherein,
two perforations are arranged on the side baffle plate of each retaining wall unit, and two supporting plates are arranged at the same time.
6. A check dam structure for erosion pit management as defined in claim 3, wherein,
the upper end of the side baffle plate of at least one retaining wall unit in the middle part is lower than the side baffle plates of the retaining wall units on two sides of the side baffle plate.
7. The check dam structure for erosion pit management as set forth in claim 1, wherein,
the lower side of the prefabricated base is provided with a broken stone cushion layer.
8. The check dam structure for erosion pit management as set forth in claim 7, wherein,
geotechnical cloth is arranged on the lower side of the broken stone cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209781.2U CN220318450U (en) | 2023-08-16 | 2023-08-16 | Check dam structure for erosion ditch treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322209781.2U CN220318450U (en) | 2023-08-16 | 2023-08-16 | Check dam structure for erosion ditch treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220318450U true CN220318450U (en) | 2024-01-09 |
Family
ID=89420642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322209781.2U Active CN220318450U (en) | 2023-08-16 | 2023-08-16 | Check dam structure for erosion ditch treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220318450U (en) |
-
2023
- 2023-08-16 CN CN202322209781.2U patent/CN220318450U/en active Active
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