CN221142673U - River course slope protection structure - Google Patents
River course slope protection structure Download PDFInfo
- Publication number
- CN221142673U CN221142673U CN202322747020.2U CN202322747020U CN221142673U CN 221142673 U CN221142673 U CN 221142673U CN 202322747020 U CN202322747020 U CN 202322747020U CN 221142673 U CN221142673 U CN 221142673U
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- slope
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- gabion
- barricade
- precast concrete
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- 239000011178 precast concrete Substances 0.000 claims abstract description 37
- 239000004567 concrete Substances 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000011150 reinforced concrete Substances 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000004575 stone Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001012 protector Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 4
- 239000004746 geotextile Substances 0.000 description 4
- 239000000440 bentonite Substances 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 240000005218 Phyla nodiflora Species 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Revetment (AREA)
Abstract
The utility model belongs to the technical field of slope protection, and particularly relates to a river slope protection structure, which comprises a gabion retaining wall arranged at the bottom of a slope, wherein a slope protection wall is arranged at the contact side of the gabion retaining wall and the slope, the slope protection wall comprises backfill soil paved on the slope, a precast concrete block layer is paved on the backfill soil, the gabion retaining wall is fixedly connected with the precast concrete block layer through a concrete presser foot, the gabion retaining wall is fixedly connected with the bottom of the slope through a concrete cushion layer, and the contact side of the gabion retaining wall and a river bed is fixedly connected through dry masonry protecting feet. The gabion retaining wall, the slope surface, the slope bottom and the river bed are firmly fixed together through triple fixation, so that the stability of the slope protection is improved.
Description
Technical Field
The utility model belongs to the technical field of slope protection, and particularly relates to a river channel slope protection structure.
Background
The slope protection project mainly prevents the inclined surfaces of roads, rivers, dams and impounding reservoirs from being washed, and the slope protection project is divided into a traditional slope protection project and an ecological slope protection project. The traditional slope protection engineering has strong slope protection capability, only the mechanical stability of the slope protection is considered in design, the appearance design is monotonous and hard, the traditional slope protection engineering is uncoordinated with the peripheral landscapes, the balance of an ecological system is destroyed, and the protection of the ecological environment and the water and soil conservation are not facilitated. In order to overcome the defects of the traditional revetments, ecological revetment engineering has been developed. Compared with the traditional slope protection engineering, the ecological slope protection engineering has good vegetation growth function and obvious effects of preventing water and soil loss, land desertification and reducing biodiversity.
At present, the river channel slope protection structure has very various forms, and the key problems to be solved in urban river channel treatment are as follows: the river channel slope protection structure not only meets the requirements of firm durability for flood control and impact resistance, but also reflects the concepts of ecology, beauty and harmony of human water, and meets the principles of economy and rationality.
The prior art CN217325248U discloses an ecological slope protection structure for river bank protection, which comprises a bentonite waterproof blanket paved at the bottom of a river and on a slope surface of the river, wherein the upper surface of the bentonite waterproof blanket is covered with backfill, geotextiles are paved on the upper surface of the backfill positioned on the slope surface of the river, gabion stones are arranged on the backfill positioned at the bottom of the river, and I-shaped interlocking bricks are paved on the upper surface of the geotextile; the ecological slope protection structure of the I-shaped interlocking bricks, gabion gabions, geotechnical cloth and bentonite waterproof blankets is adopted in the prior art, the used materials do not influence the growth and development of aquatic plants and surrounding ecological systems, and meanwhile, the ecological slope protection structure has good seepage prevention and river water storage effects. However, the prior art only fixes the joint with the I-shaped interlocking bricks aiming at the gabion, and other places are not fixed, so that the ecological slope protection stability is insufficient.
Prior art CN209128943U provides an ecological riverway revetment, including the ecological barricade that is located the riverway both sides, ecological barricade includes a plurality of superimposed gabion rib (1) of bottom, is located the wall body that is formed by a plurality of concrete block (2) that are inclination superpose of gabion rib (1) top, the concrete block at top exceeds the bank top of ecological riverway a take the altitude. The ecological retaining wall with reinforced concrete blocks in the prior art has obvious ecological effect and landscape effect, the underwater part meets the requirements of aquatic animals and aquatic plants, the water part grows plants naturally or artificially plants and combines some flowers required by engineering landscape, so that the landscape effect of the retaining wall is improved, the apertures in the retaining wall can meet the ecological requirements of animals, microorganisms, terrestrial plants and other plants, the climbing self-rescue requirements are met, the hydrophilic, landscape and leisure requirements are met, and the requirements on humanization are met. But this prior art also only has made fixedly to gabion and concrete block junction, and other places are not fixed, so ecological bank protection steadiness is not enough.
Disclosure of utility model
In order to solve the technical problems, namely, to improve the stability of slope protection, the utility model provides the following technical scheme:
The utility model provides a river course slope protection structure, includes the gabion barricade that the slope bottom set up, gabion barricade and domatic contact side set up the revetment, the revetment includes the backfill that lays on the domatic, lays precast concrete piece layer on the backfill, gabion barricade and precast concrete piece layer pass through concrete presser foot fixed connection, gabion barricade and slope bottom pass through concrete cushion fixed connection, gabion barricade and riverbed contact side pass through dry masonry fender foot fixed connection.
Further, gabion barricade includes three-layer barricade, and first layer barricade includes two gabion gabions, and second floor barricade and third layer barricade are one gabion, set up first layer barricade on the concrete cushion, every side of concrete cushion is in the outside of first layer barricade bottom, and the second floor barricade sets up in first layer barricade upper end middle part, and third layer barricade sets up in second floor gabion upper end, fixed connection between the gabion.
Further, geotechnical cloth is arranged on the side, where the gabion retaining wall is connected with backfill soil.
Further, a gravel cushion layer is paved below the precast concrete block layer.
Further, the precast concrete block layer is a plurality of fixedly connected precast concrete hexagonal blocks, the surfaces of the precast concrete hexagonal blocks are of coarse structures, and a three-dimensional geotechnical net pad grass planting layer is paved above the precast concrete block layer.
Further, a drain hole is formed in the center of the precast concrete hexagonal block, the longitudinal distance between every two adjacent drain holes is 18 meters, the transverse distance between every two adjacent drain holes is 2.08 meters, and a reverse filter layer is arranged at the bottom of each drain hole.
Further, each 15m of the precast concrete block layer is provided with a reinforced concrete beam, and two sides of the precast concrete block layer are sealed by the reinforced concrete beams.
Further, a railing is arranged at the top of the slope.
Further, the railing is a wood-like railing, and the wood-like railing is fixedly connected with the slope roof through concrete roof pressing.
Further, the railing is a steel guardrail, and the steel guardrail is connected with the slope top through steel plate welding.
Compared with the prior art, the utility model has the following beneficial effects:
According to the slope protection structure, the side part of the gabion retaining wall is fixedly connected with the precast concrete block layer through the concrete pressing foot, the bottom of the gabion retaining wall is fixedly connected with the slope bottom through the concrete cushion layer, the contact side of the gabion retaining wall and the river bed is fixedly connected through the dry masonry protecting foot, and the gabion retaining wall is firmly fixed with the slope, the slope bottom and the river bed through triple fixation, so that the stability of the slope protection is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the construction of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic plan view of a precast concrete segment layer of the present utility model;
FIG. 4 is a schematic view of a simulated wood balustrade according to the present utility model;
FIG. 5 is a top view of the assembled FIG. 4;
FIG. 6 is a schematic view of a steel guardrail of the present utility model;
FIG. 7 is a side view of the assembled FIG. 6;
Reference numerals: 1-gabion retaining walls; 2-dry masonry foot protection; 3-concrete cushion; 4-geotextile; 5-concrete presser feet; 6-backfilling soil; 7-prefabricating a concrete block layer; 71-drainage holes; 8-a reinforced concrete beam; 9-planting grass layers on the three-dimensional geotechnical net mats; 10-pressing the concrete; 11-wood-like balustrade; 12-steel guard rail; 13-steel plate.
Detailed Description
The technical solutions of the present utility model will be clearly described below with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present utility model, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
It should be noted that, the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "horizontal", "left", "right", "front", "rear", "lateral", "longitudinal", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 and 2, the utility model provides a river channel slope protection structure, which comprises a slope bottom, a slope surface and a slope top, wherein a gabion stone retaining wall 1 is arranged at the slope bottom, a slope protection wall is arranged at the contact side of the gabion stone retaining wall 1 and the slope surface, the slope protection wall comprises backfill soil 6 paved on the slope surface, a precast concrete block layer 7 is paved on the backfill soil 6, and a three-dimensional geotechnical net pad grass planting layer 9 is paved above the precast concrete block layer 7. The three-dimensional geotechnical net pad grass planting layer 9 improves the ecological environment of the river bank.
As shown in fig. 2, gabion retaining wall 1 includes three-layer barricade, and first layer barricade includes two gabion gabions, and second floor barricade and third layer barricade are a gabion, first layer barricade sets up on concrete cushion 3, concrete cushion 3 every side is in the outside of first layer barricade bottom, and in this embodiment, concrete cushion 3 thickness is 20cm, and wide 2.4 meters, and gabion outside 20cm of first layer barricade is stretched out to every side, and intensity level is C25, and the second floor barricade sets up in first layer barricade upper end middle part, and third layer barricade sets up in second floor gabion upper end, fixed connection between the gabion barricade 1 is firmly fixed on concrete cushion 3, and gabion barricade 1 and riverbed contact side are through dry masonry banket 2 fixed connection, and gabion barricade 1 prevents down to slide, can prevent flood and anti-impact, has improved domatic stability.
In concrete construction, the gabion is required to purchase finished components, a gabion side line is arranged on the concrete cushion layer 3, two gabion gabions at the bottom layer are aligned and placed in order, cover plates of the gabion gabions are opened to two sides, and all gabion sides are connected by adopting steel wires made of the same material as gabion mesh; backfilling broken stone in the gabion, wherein the grain size of the broken stone is 10-30cm, the backfilling is carried out by adopting a digger to slowly discharge at a low position, the backfilling height is controlled to be 30cm each time, the stone in the gabion is leveled and rammed manually after each backfilling, the gabion cover plate is closed after the backfilling is completed, and steel wires are adopted for fastening; sequentially constructing two layers of single gabion gabions above, binding three layers of gabion gabions firmly by adopting steel wires after construction is completed, and firmly fixing all gabion gabions together to form a stable gabion retaining wall 1; and backfilling the side slope between the gabion and the river bank and constructing the river side dry masonry foot protector 2 immediately after the gabion construction is completed.
In the embodiment, the dry stone foot protector 2 adopts good stones without weathering or with micro-weathering, the strength is not less than MU40, and the net weight is 10-20 kq. The concrete construction of the dry masonry foot protector 2 is that the foundation is tamped before construction, the foundation is filled layer by layer from bottom to top, larger stones are arranged at the bottom, and the flatter surface is used as an exposed surface and is properly elongated; filling grooves and plugging gaps by adopting stone blocks with proper sizes, and knocking and plugging by using a hand hammer to ensure that the dry masonry foot protector 2 is stable; the dry masonry foot protector 2 is embedded into the ground for about 20cm; the dry masonry foot protector 2 can strengthen the protection to the slope protection, is easy to flood discharge and guide, and has high safety, less engineering quantity and simple construction technology.
In the embodiment, the backfill soil 6 material is cohesive soil, the content of the cohesive particles is 10% -35%, the plasticity index is 7-20, and impurities such as plant rootstock, brick and tile garbage and the like are not contained; the allowable deviation between the water content of the filling earth material and the optimal water content is less than 3 percent; the permeability coefficient of the soil material is less than 1 x 10 < -4 > cm/. The concrete construction of the backfill soil 6 is that the earthwork is filled and rolled in layers, the layering thickness is 30 cm-50 cm, and the concrete is based on field test; the degree of compaction of the earth filling is not less than 0.91; the backfill 46 is layered according to the construction progress of the gabion retaining wall 1, the backfill thickness of each layer is not more than 30cm, the corner positions are manually tamped by a frog jump type tamping machine, the rest positions are tamped by plate tamping, the surface of the backfill 6 is smooth, and later slope protection paving is facilitated; the side of the gabion retaining wall 1, which is connected with the backfill soil 6, is provided with geotextile 4 for preventing the backfill soil 6 from losing.
Gabion barricade 1 and precast concrete piece layer 7 pass through the concrete presser foot 5 fixed connection that intensity level is C25, the steadiness of slope protection structure has been improved, precast concrete piece layer 7 is a plurality of fixed connection's precast concrete hexagonal pieces, through cement mortar pointing fixed connection together between the precast concrete hexagonal pieces, as shown in fig. 3, precast concrete piece layer 7 every 15m sets up reinforced concrete crossbeam 8, precast concrete piece layer 7 both sides are banding with reinforced concrete crossbeam 8, improve precast concrete piece layer 7's fastness, precast concrete piece layer 7 below lays the gravel stone bed course, thereby fixedly in backfill 6 top with precast concrete piece layer 7 firm, precast concrete hexagonal piece surface is the coarse structure, more easily fix three-dimensional geotechnique and fill grass planting layer 9.
As shown in fig. 3, a drain hole 71 is formed in the center of the precast concrete hexagonal block, the longitudinal distance between adjacent drain holes 71 is 18 m, the transverse distance between adjacent drain holes 71 is 2.08 m, and a reverse filter layer is arranged at the bottom of the drain hole 71 and used for preventing the backfill soil 6 from running off. When the water level of the river channel rises, river water enters the gabion retaining wall 1 through the dry masonry retaining feet 2, then the river water permeates into the backfill soil 6, and the river water enters the three-dimensional geotechnical net mat grass planting layer 9 through the drain holes 71, so that the slope protection structure can drain water and simultaneously provide water for the three-dimensional geotechnical net mat grass planting layer 9.
As shown in FIG. 4, a railing is arranged along the river bank slope top, a finished wood-like railing 11 is arranged at a position with enough slope top height, as shown in FIG. 5, the wood-like railing 11 and the slope top are fixedly connected through a concrete pressing top 10, the strength grade of the concrete pressing top 10 is C30, and then the wood-like railing 11 and the slope top are fixed together, so that the firmness of the wood-like railing 11 is improved.
As shown in fig. 6, the steel guard rail 12 is used at the position of insufficient height of the slope roof, as shown in fig. 7, the steel guard rail 12 is welded with the slope roof through a steel plate 13, and the steel plate 13 is fixed on the slope roof through expansion screws.
The technical characteristics form the optimal embodiment of the utility model, have stronger adaptability and optimal implementation effect, and can increase or decrease unnecessary technical characteristics according to actual needs so as to meet the needs of different situations.
Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. The utility model provides a river course slope protection structure, includes the gabion barricade that the slope bottom set up, and gabion barricade sets up the revetment with domatic contact side, the revetment includes the backfill that is laid on the domatic, lays precast concrete piece layer on the backfill, gabion barricade and precast concrete piece layer pass through concrete presser fixed connection, its characterized in that: the gabion retaining wall is fixedly connected with the slope bottom through a concrete cushion layer, and the gabion retaining wall is fixedly connected with the river bed contact side through dry masonry foot protection.
2. The river course slope-protection structure of claim 1, wherein: gabion barricade includes three-layer barricade, and first layer barricade includes two gabion gabions, and second floor barricade and third layer barricade are one gabion, set up first layer barricade on the concrete cushion, every side of concrete cushion is in the outside of first layer barricade bottom, and the second floor barricade sets up in first layer barricade upper end middle part, and third layer barricade sets up in second floor gabion upper end, fixed connection between the gabion.
3. The river course slope-protection structure of claim 1, wherein: geotechnical cloth is arranged on the side, where the gabion retaining wall is connected with backfill soil.
4. The river course slope-protection structure of claim 1, wherein: and a gravel layer is paved below the precast concrete block layer.
5. The river course slope-protection structure of claim 1, wherein: the precast concrete block layer is a plurality of fixedly connected precast concrete hexagonal blocks, the surface of each precast concrete hexagonal block is of a coarse structure, and a three-dimensional geotechnical net pad grass planting layer is paved above the precast concrete block layer.
6. The river course slope-protection structure of claim 5, wherein: the center of the precast concrete hexagonal block is provided with a drain hole, the longitudinal distance between every two adjacent drain holes is 18 meters, the transverse distance between every two adjacent drain holes is 2.08 meters, and the bottom of each drain hole is provided with a reverse filtering layer.
7. The river slope-protection structure according to any one of claims 1-6, wherein: reinforced concrete beams are arranged every 15m of the precast concrete block layer, and two sides of the precast concrete block layer are sealed by the reinforced concrete beams.
8. The river slope-protection structure according to any one of claims 1-6, wherein: the slope top is provided with a railing.
9. The river course slope-protection structure of claim 8, wherein: the railing is a wood-like railing, and the wood-like railing is fixedly connected with the slope roof through concrete roof pressing.
10. The river course slope-protection structure of claim 8, wherein: the railing is steel guardrail, steel guardrail passes through steel sheet welded connection with the slope top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322747020.2U CN221142673U (en) | 2023-10-12 | 2023-10-12 | River course slope protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322747020.2U CN221142673U (en) | 2023-10-12 | 2023-10-12 | River course slope protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221142673U true CN221142673U (en) | 2024-06-14 |
Family
ID=91423770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322747020.2U Active CN221142673U (en) | 2023-10-12 | 2023-10-12 | River course slope protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221142673U (en) |
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2023
- 2023-10-12 CN CN202322747020.2U patent/CN221142673U/en active Active
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