Ecological earth-rock overflow weir
By utilizing the existing gravel on the riverbank to fill the embankment and laying a concrete composite mat, the problems of high construction cost and environmental pollution of concrete overflow weirs were solved, achieving low-cost and environmentally friendly overflow weir construction.
Patent Information
- Application Number
- CN202520305367.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The existing concrete overflow weirs are costly to construct and pollute the environment.
The original natural sand and gravel of the river embankment was used to fill the embankment, and a concrete composite pad was laid upstream and downstream, including a water-absorbing protective layer, a concrete filling layer and a moisture-retaining layer, which was fixed with U-shaped nails to prevent the transportation of external materials.
It reduced construction costs, shortened the construction period, and did not pollute the river water, creating a natural landscape, resulting in significant environmental benefits.
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Figure CN223824123U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to overflow weir technical field, specifically, relates to an ecological earth and stone overflow weir. BACKGROUND
[0002] Overflow weir is a common structure in water conservancy projects, mainly used for controlling water flow. It is usually built on the edge of reservoirs, river channels and other water areas, and its main function is to regulate water level and prevent flood overflow to protect the surrounding area from water disasters. Overflow weirs are usually built in urban landscape river channels. When water flows over the overflow weir, it forms a small waterfall and a water surface, which has the effect of decorating the river channel. Currently, overflow weirs in urban river channels are usually built using concrete and steel reinforcement masonry or mortar masonry. Concrete and steel reinforcement are transported from outside, which results in high construction cost. Moreover, after a long time of erosion by water in the river channel, concrete will fall into the water, causing pollution of the river water. Therefore, it is urgent to overcome the defects of the prior art in the technical field. SUMMARY
[0003] The utility model provides an ecological earth and stone overflow weir, aims at improving the problems of high construction cost and environmental pollution of the existing concrete overflow weir.
[0004] To achieve the above-mentioned purpose, the utility model provides an ecological earth and stone overflow weir, and the specific technical scheme is as follows:
[0005] An ecological earth and stone overflow weir, comprising a weir body, the weir body is filled with natural sand and gravel of the original river embankment, the weir body and the surfaces of the upstream and downstream of the weir body are paved with a concrete composite pad, a fixing device is arranged between the concrete composite pad and the weir body and the river embankment, and the fixing device fixes the concrete composite pad on the weir body and the river embankment.
[0006] In one embodiment, the concrete composite pad comprises a water absorption protective layer, a concrete filling layer and a moisture retention layer from inside to outside.
[0007] In one embodiment, the concrete filling layer is provided with a reinforced layer.
[0008] In one embodiment, the concrete composite pad comprises an upstream apron pad, a weir body apron pad and a downstream apron pad, the upstream apron pad is paved on the upstream of the weir body, the weir body apron pad is paved on the weir body, and the downstream apron pad is paved on the downstream of the weir body.
[0009] In one embodiment, the weir body apron pad and the downstream apron pad are equal in length, and the upstream apron pad is times the length of the weir body apron pad.
[0010] In one embodiment, the fixing device is a U-shaped nail.
[0011] The beneficial effects of the embodiment are:
[0012] The dam body is filled with the natural sand and stone in the river channel, the dam body is required to be filled in layers, and then the concrete composite pad is laid on the upstream and downstream of the dam body and on the dam body, the concrete composite pad covers the dam body and the upstream and downstream of the dam body, so that the dam body is prevented from being damaged by water flow, the dam body is constructed without external transportation of materials, the dam body is constructed by using the original materials of the river embankment, the cost is greatly reduced, the construction period is greatly shortened, and the water in the river is not polluted by the addition of external materials, which is very environmentally friendly. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0014] Figure 1 is a schematic diagram of the construction position of the overflow weir in the river channel provided by the embodiments of the present application;
[0015] Figure 2 is a result schematic diagram of the overflow weir provided by the embodiments of the present application;
[0016] Figure 3 is a schematic diagram of the connection relationship between the concrete composite pad and the fixator provided by the embodiments of the present application;
[0017] Figure 4 is a schematic diagram of the cross section of the overflow weir provided by the embodiments of the present application;
[0018] Figure 5 is a schematic diagram of the structure of the concrete composite pad provided by the embodiments of the present application;
[0019] Figure 6 is a schematic diagram of the structure of the concrete filling layer provided by the embodiments of the present application;
[0020] Figure 7 is a schematic diagram of the lap joint of the concrete composite pad provided by the embodiments of the present application.
[0021] Explanation of reference signs:
[0022] 100, dam body;
[0023] 200, concrete composite pad; 210, upstream apron pad; 220, sill apron pad; 230, downstream apron pad; 240, water absorption protection layer; 250, concrete filling layer; 251, reinforced layer; 260, moisture retention layer;
[0024] 300, fixer; 310, U-shaped nail. DETAILED DESCRIPTION
[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0026] The technical scheme provided by the embodiments of the present application will be described below in conjunction with the drawings.
[0027] Please refer to Figure 1 , Figure 2 and Figure 4 An ecological earth and stone overflow weir is provided in an embodiment of the present application, which comprises a sill 100. The sill 100 is filled with natural sand and gravel of the original river embankment. The sill 100 is arranged in a trapezoidal shape with a narrow upper part and a wide lower part. The sill 100 is required to be filled in layers, and the thickness of each layer should not exceed 300 mm. The sill 100 is tamped during the filling process.
[0028] Please refer to Figure 1 , Figure 2 and Figure 4 The surface of the sill 100 and the upstream and downstream of the sill 100 is paved with a concrete composite pad 200. The concrete composite pad 200 comprises an upstream apron pad 210, a sill apron pad 220 and a downstream apron pad 230. The upstream apron pad 210 is paved on the upstream of the sill 100, the sill apron pad 220 is paved on the sill 100, and the downstream apron pad 230 is paved on the downstream of the sill 100. This achieves an isolated protection of the sill 100 and the upstream and downstream of the sill 100, so as to avoid the sill 100 from being damaged by river water. Specifically, the length of the sill apron pad 220 and the downstream apron pad 230 is equal, the length of the upstream apron pad 210 is twice the length of the sill apron pad 220, the upstream apron pad 210 of the sill 100 is longer, which forms a buffer zone for the sill 100 and improves the service life of the sill 100.
[0029] Please refer to Figure 5 and Figure 6, it is to be noted that the concrete composite pad 200 comprises, from inside to outside, a water absorption protective layer 240, a concrete filling layer 250 and a moisture retention layer 260, and the concrete filling layer 250 is provided with a reinforced layer 251, the flexible concrete composite pad is a new type of environment-friendly ecological composite waterproof and anti-seepage material, which is formed by stitching the fiber framework punched out or combined together, and a flexible and efficient concrete composite pad is formed, and the commonly used specifications are 15kg, 12kg, 10kg, 8kg, etc., the width is 1-4m, and the length can be customized, the flexible and efficient concrete composite pad can be provided in the form of standard roll material or customized in the form of bulk roll with different widths, has the advantages of corrosion resistance, anti-seepage, anti-freezing, anti-cracking, slope protection and reinforcement, low cost, energy saving and environmental protection, and can be widely applied to different fields such as slope protection, water channels, ponds and artificial lakes, has good comprehensive performance and is convenient to use, compared with the prior art, after the water absorption protective layer 240 absorbs water, the reinforced layer 251 and the concrete filling layer 250 can be quickly solidified together, has the advantages of short setting period, high strength and the like, and can replace the traditional concrete construction process. The product only needs to be watered to form a durable concrete layer with the required shape and hardness, different cement formulations can be used to form anti-seepage and anti-cracking, heat insulation, erosion resistance, fire resistance and durable concrete structures, the product only needs to be laid according to the topography and technical requirements, and is uniformly watered or immersed in water to react, and after solidification, the fiber plays a role in enhancing the strength of the composite pad.
[0030] Please refer to Figure 3 and Figure 7 In addition, the concrete composite pad 200, the weir body 100 and the river bank are provided with a fixer 300, the fixer 300 fixes the concrete composite pad 200 on the weir body 100 and the river bank, the fixer 300 is a U-shaped nail 310, the joint of the overlapping position of the adjacent two concrete composite pads 200 is overlapped by at least 100mm, and then the overlapping position is fixed and connected by using the U-shaped nail 310. The whole construction does not need to transport materials from outside to build the weir body, and the weir body is built by using the original materials of the river bank, the cost is greatly reduced, the construction period is greatly shortened, and there is no addition of external materials, so as not to pollute the water in the river, which is very environmentally friendly.
[0031] The whole overflow weir is relatively low, does not affect the flood discharge of the river channel, can form a natural water surface in the river channel in the city and the town, constitutes a micro landscape, is suitable for rural revitalization, has low manufacturing cost, short construction period and does not pollute the water source.
[0032] In the description of the utility model, unless another definite provision and limitation, the term " install " " link " " connection " and the like should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through intermediate medium, can be two element inside intercommunication. For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.
[0033] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0034] The above only is the preferred implementation way of the utility model, and does not limit the utility model, and the utility model can have various changes and changes for the skilled person in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. An ecological earth-rock overflow weir, characterized in that, The structure includes a embankment (100), which is constructed using the original natural gravel from the riverbank. The embankment (100) and its upstream and downstream surfaces are covered with concrete composite pads (200). Fixers (300) are installed between the concrete composite pads (200), the embankment (100), and the riverbank, and the fixers (300) fix the concrete composite pads (200) to the embankment (100) and the riverbank.
2. The ecological earth-rock overflow weir according to claim 1, characterized in that, The concrete composite pad (200) includes, from the inside out, a water-absorbing protective layer (240), a concrete filling layer (250), and a moisture-retaining layer (260).
3. The ecological earth-rock overflow weir according to claim 2, characterized in that, A reinforcing layer (251) is provided inside the concrete filling layer (250).
4. The ecological earth-rock overflow weir according to claim 1, characterized in that, The concrete composite pad (200) includes an upstream revetment pad (210), a sill revetment pad (220), and a downstream revetment pad (230). The upstream revetment pad (210) is laid upstream of the sill (100), the sill revetment pad (220) is laid on the sill (100), and the downstream revetment pad (230) is laid downstream of the sill (100).
5. An ecological earth-rock overflow weir according to claim 4, characterized in that, The embankment protection mat (220) and the downstream protection mat (230) are of equal length, and the upstream protection mat (210) is twice the length of the embankment protection mat (220).
6. The ecological earth-rock overflow weir according to claim 1, characterized in that, The fastener (300) is a U-shaped nail (310).