CN216040974U - Ecological type scour protection promotes silt concrete four-footed structure and component thereof - Google Patents
Ecological type scour protection promotes silt concrete four-footed structure and component thereof Download PDFInfo
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- CN216040974U CN216040974U CN202122016138.9U CN202122016138U CN216040974U CN 216040974 U CN216040974 U CN 216040974U CN 202122016138 U CN202122016138 U CN 202122016138U CN 216040974 U CN216040974 U CN 216040974U
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Abstract
The utility model discloses an ecological anti-scour and siltation-promoting concrete four-footed structure and components thereof, belonging to the field of channel improvement engineering and comprising four tapered reinforced concrete rods, wherein the tapered reinforced concrete rods are provided with grooves; four-corner steel reinforcement frameworks are arranged in the concrete four-foot structure. The member is formed by mutually hooking a plurality of concrete four-foot structures when the concrete four-foot structures are stacked. The utility model has good effects of preventing erosion and promoting siltation, can solve the problem that the whole structure or detailed structure is damaged due to the fact that the structure is easy to be washed by water flow in the prior art, simultaneously solves the defects of complex construction, high construction cost and the like, can increase the biological attachment rate of a water body, and reduces the damage to the ecological environment of a project area.
Description
Technical Field
The utility model relates to the field of navigation channel improvement engineering, in particular to an ecological anti-scour and silt-promoting concrete four-foot structure and a component thereof.
Background
The main purpose of scour prevention and siltation promotion in the field of channel improvement engineering is to slow down or form backflow of water flow velocity by changing hydrodynamic conditions of water flow and sediment movement, so that sediment is easy to silt up, and the functions of protecting a river bed and preventing a hydraulic structure foundation from being scoured by water flow and destabilizing are achieved.
The traditional erosion-proof and siltation-promoting structure can be divided into a solid structure and a permeable structure (water permeable structure) according to the action mechanism.
The solid structure mainly comprises riprap, spur dike, dam, sinking row, concrete film bag and the like, the application of the technology in China is earlier and very wide, the silt-promoting and scour-preventing effect is obvious, but the defects mainly lie in that:
1) the foundation of the solid structure is easy to wash, so that the solid structure is instable and damaged;
2) the natural state of the river bottom is changed, and the habitat environment near the engineering is damaged;
3) a large amount of stones or other building materials are needed, the construction difficulty is high, the construction cost is high, and the like.
The permeable structure mainly comprises a wooden pitchfork, a hanging willow, a reinforced concrete grid row, a four-side hexagonal permeable frame and the like, water flow is allowed to pass through the dam body, the flow guiding capacity is smaller than that of an entity building, the flow state of the water flow can be locally changed, the flow speed of a protection area is reduced, and the effects of preventing erosion and promoting silt can be achieved. However, pitchforks, willows and the like are easy to rot and wash, the maintenance engineering amount is large, and the temporary measures are generally adopted; the reinforced concrete grid has good protection effect, but the underwater construction of the foundation is more complex and needs enough burial depth.
The four-side and six-side permeable frame is a closed frame structure formed by 6 concrete rods, and the action principle of the permeable frame is that the concentrated energy dissipation in the traditional bank protection technology is changed into gradual graded energy dissipation through the permeable frame, the flow state of water flow is changed, and the flow speed is reduced so as to achieve the purposes of accelerating silt and preventing scouring. The four-side hexagonal permeable frame is applied to numerous rivers such as Yangtze river, yellow river, Wei river and the like in China, and has good effects of energy dissipation, speed reduction, scour prevention and silt promotion for bank protection, beach protection, bottom protection, pier protection and the like in channel improvement engineering. But has the following defects:
1) the manufacturing process is complicated, the required prefabricated site is large, and the transportation is inconvenient;
2) the connection points between the frame bodies are easy to be corroded and damaged, so that the hooking strength is weak;
3) the slow flow and silt promotion effect is slow, and the ecological effect is not ideal.
The prior patent is CN201822035569.8, which is an ecological silt-promoting scour-preventing beach-protecting structure, and the structure is paved by reinforced concrete prefabricated blocks, each prefabricated block is provided with a cross-shaped bottom plate and a middle prismatic table, the middle prismatic table is arranged at the intersection of the cross-shaped bottom plates, holes are arranged on four edges of the cross-shaped bottom plate of the prefabricated block, and the prefabricated block is provided with a hollow structure which penetrates through the middle prismatic table and the cross-shaped bottom plate; this patent exists that manufacturing, transportation, construction degree of difficulty are great, and the consumptive material that needs is more, the problem that the cost is high. Therefore, designing a structure can solve the defects of easy damage to the structure, complex construction, high construction cost and the like in the existing erosion prevention and silt promotion technology, and can also consider the ecological environment function, which is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides an ecological anti-scour and siltation-promoting concrete four-footed structure, which has good anti-scour and siltation-promoting effects, can solve the problem that the whole or detailed structure of the structure is damaged due to the easy scouring of water flow in the prior art, overcomes the defects of complex construction, high construction cost and the like, can increase the biological attachment rate of a water body, and reduces the damage to the ecological environment of a project area.
The utility model also aims to provide a member consisting of an ecological anti-scour and siltation-promoting concrete four-foot structure.
The utility model is realized by the following technical scheme:
an ecological type anti-scour and siltation-promoting concrete four-foot structure comprises four tapered reinforced concrete rods, wherein grooves are formed in the tapered reinforced concrete rods; four-corner steel reinforcement frameworks are arranged in the concrete four-foot structure.
Concrete four-footed structure embeds four corners steel reinforcement skeleton, stable in structure, the periphery has the short silt effect of good scour protection for the toper reinforced concrete pole, also is difficult damaged under rivers erode for a long time, has the short silt effect of good scour protection, and the recess of design can be for water supply body biology to perch, possesses good ecological effect, increases biological diversity.
Preferably, the tapered reinforced concrete pole is in a four-sided prism shape, and the end of the tapered reinforced concrete pole is tapered. The conical tail end is more beneficial to the stable rooting of the concrete four-foot structure on the riverbed and is not easy to turn over.
Preferably, the tapered reinforced concrete pole is provided with grooves on four sides. The concrete four-foot structure is provided with a plurality of grooves, which is beneficial to the growth of aquatic organisms.
Preferably, the groove is semicircular, and a plurality of protrusions are distributed in the groove. The semicircular groove can provide a habitat for the spawning of aquatic animals, the protrusion can increase the surface area, biological adhesion is facilitated, and the diversity of water organisms can be well increased.
Preferably, the four-corner steel bar framework is formed by welding 4 steel bars.
Preferably, the 4 steel bars are distributed around a welding point, and the included angle between every two steel bars is 120 degrees.
Preferably, each of the reinforcing bars has a length of 0.4-0.7 m. The concrete is adjusted according to the size of the whole concrete four-foot structure.
The utility model also provides a component consisting of the ecological anti-scour and siltation-promoting concrete four-footed structure, wherein the component is formed by mutually hooking a plurality of concrete four-footed structures when the concrete four-footed structures are stacked. A plurality of concrete four-footed structures are stacked by adopting a method of stacking small-size frames for multiple times and sedimentation and stacking height in layers to form an integral structure with pores, and the concrete four-footed structure has good erosion-proof and silt-promoting effects of a solid structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. the concrete four-foot structure is designed to be internally provided with the four-corner steel reinforcement framework, so that the structure is more stable, the good erosion-preventing and silt-promoting effects are achieved, the conical design is adopted at the tail ends of the four feet, the concrete four-foot structure can be stably rooted on a riverbed and is not easy to turn over, meanwhile, the whole structure is small and exquisite, the transportation is convenient, the semicircular groove is convenient to manufacture, the surface area of the groove is increased due to the inner protrusion, and the biological attachment rate is increased.
2. The concrete quadruped structure can be accurately sunk into a designated area by depending on the weight of the concrete quadruped structure, and compared with the traditional solid structure, the concrete quadruped structure does not need foundation treatment, does not have the problem that the foundation is washed, and can better adapt to the change of the terrain.
3. Compared with the traditional solid structure, the utility model can reduce the consumption of building materials, avoid the phenomena of annual washout and annual compensation and throwing of the solid structure and save a large amount of stones, which is particularly important for areas lacking stones.
4. The utility model can obviously increase the roughness of the riverbed, not only has good anti-scour and silt-promoting effects of the solid structure, but also can form a multi-gap concrete four-footed structure group by adopting a method of stacking small-size frames for multiple times and layering, and has the advantages of changing the water flow state of the permeable structure only locally, reducing the flow rate of a protected area, and carrying out flood on the riverway and the like.
5. The utility model has reasonable structural design, does not have the problems of corrosion damage and the like of connection points between frame bodies and has better structural stability and durability compared with a four-side hexagonal permeable frame.
6. Compared with the traditional erosion-proof and siltation-promoting structure, the concrete structure has good ecological effect, the surfaces of the concrete four-footed structures are provided with a plurality of semicircular grooves, the larvae are ensured to settle in specific areas of the structure, the larvae can be protected when mature, the diversity of nearby aquatic organisms is increased, and the water environment is improved.
7. Simple structure is difficult damaged, the batch production of being convenient for batch production of batch production, and the construction is simple and with low costs.
Drawings
FIG. 1 is a schematic view of the structure of the concrete four-footed in example 1;
FIG. 2 is a schematic view of an internal reinforcing structure of a concrete four-footed structure in example 1;
fig. 3 is a plan view of the concrete structure applied to a river in example 2;
in the figure: 1. a tapered reinforced concrete pole; 2. a groove; 3. a four-corner steel bar framework; 4. a welding point; 5. and (4) protruding.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1-2, the embodiment provides an ecological type anti-scour and siltation-promoting concrete four-footed structure, which includes four tapered reinforced concrete rods 1, wherein grooves 2 are formed on the tapered reinforced concrete rods 1; four-corner steel reinforcement frameworks 3 are arranged in the concrete four-foot structure.
The tapered reinforced concrete pole 1 is in a four-sided prism shape, and the tail end of the tapered reinforced concrete pole 1 is in a tapered shape.
The four sides of the conical reinforced concrete pole 1 are provided with grooves 2.
The groove 2 is semicircular, and a plurality of bulges 5 are distributed in the groove 2.
The four-corner steel bar framework 3 is formed by welding 4 steel bars.
The 4 reinforcing bars are distributed around a welding point 4, and the included angle between every two reinforcing bars is 120 degrees.
The length of each reinforcing steel bar is 0.4-0.7 m.
Concrete four-footed structure adopts four corners steel reinforcement skeleton 3, stable in structure, and the periphery has good scour protection for toper reinforced concrete pole 1 and promotes the silt effect, also is difficult damaged under rivers erode for a long time, has good scour protection and promotes the silt effect, and the small and exquisite transportation of being convenient for of structure simultaneously, the recess 2 and the arch 5 of design can supply water body biology to perch, possess good ecological effect, increase biological diversity.
Example 2
As shown in fig. 3, the embodiment provides a member composed of an ecological anti-erosion and siltation-promoting concrete four-footed structure, wherein the member is formed by mutually hooking a plurality of concrete four-footed structures when the concrete four-footed structures are stacked. A plurality of concrete four-footed structures are stacked by adopting a method of stacking small-size frames for multiple times and sedimentation and stacking height in layers to form an integral structure with pores, and the concrete four-footed structure has good erosion-proof and silt-promoting effects of a solid structure.
The implementation steps comprise:
the method comprises the following steps of firstly, preparing a four-corner steel reinforcement framework, wherein the steel reinforcement framework is formed by welding 4 high-strength steel reinforcements with the lengths of 0.5 meter in a factory.
The second step, the preparation of toper reinforced concrete pole is washd the mould before assembling, then the inside brush release agent, fixes four corners framework of steel reinforcement in the mould when the mould is assembled, according to the concrete that the regulation match ratio stirred, pours into the mould in the funnel from the top through the preparation, and the inside steel sleeve that sets up the fixable vibrting spear that adds of mould realizes limit canning, vibrates, makes each position fully vibrate, ensures the closely knit degree of concrete.
And thirdly, removing the formwork after the concrete strength reaches a certain strength standard, strictly performing formwork removal according to the standard requirement, controlling the demoulding strength, preventing the integrity of the structure from being damaged during demoulding, and manufacturing the concrete four-foot structure.
The fourth step, the implementation method: and (3) adopting a mechanical and manual combined throwing mode, loading a plurality of finished members consisting of concrete four-foot structures on a ship at a wharf, and transporting to a construction site for throwing to a specified area.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention.
Claims (8)
1. An ecological type anti-scour and siltation-promoting concrete four-foot structure is characterized by comprising four tapered reinforced concrete rods, wherein grooves are formed in the tapered reinforced concrete rods; four-corner steel reinforcement frameworks are arranged in the concrete four-foot structure.
2. The ecotype anti-scour and siltation-promoting concrete quadruped structure according to claim 1, wherein the tapered reinforced concrete pole is in a four-sided prism shape, and the end of the tapered reinforced concrete pole is tapered.
3. The ecotype anti-scour and siltation-promoting concrete four-footed structure according to claim 2, wherein the tapered reinforced concrete pole is provided with grooves on four sides.
4. The ecotype anti-scour and siltation-promoting concrete quadruped structure is characterized in that the groove is semicircular, and a plurality of bulges are distributed in the groove.
5. The ecotype anti-scour and siltation-promoting concrete four-footed structure of claim 1, wherein the four-corner steel reinforcement framework is formed by welding 4 steel reinforcements.
6. The ecotype anti-scour and siltation-promoting concrete quadruped structure according to claim 5, wherein the 4 steel bars are distributed around a welding point, and the included angle between every two steel bars is 120 degrees.
7. The ecotype anti-scour and siltation-promoting concrete quadruped structure is characterized in that the length of each reinforcing steel bar is 0.4-0.7 m.
8. An ecological type component composed of an erosion and siltation promoting concrete four-footed structure, wherein the component is formed by mutually hooking a plurality of concrete four-footed structures according to any one of claims 1 to 7 when being stacked.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122016138.9U CN216040974U (en) | 2021-08-25 | 2021-08-25 | Ecological type scour protection promotes silt concrete four-footed structure and component thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122016138.9U CN216040974U (en) | 2021-08-25 | 2021-08-25 | Ecological type scour protection promotes silt concrete four-footed structure and component thereof |
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| CN216040974U true CN216040974U (en) | 2022-03-15 |
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| CN202122016138.9U Active CN216040974U (en) | 2021-08-25 | 2021-08-25 | Ecological type scour protection promotes silt concrete four-footed structure and component thereof |
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