Road maintenance ecological revetment structure

Abstract

This utility model discloses an ecological slope protection structure for road maintenance, including a roadbed and a pavement. A slope top seepage-proof layer is provided between the roadbed and the pavement. A slope protection structure is provided on the slope surface of the roadbed. The slope protection structure includes multiple confluence plates, which are fixed to the slope surface of the roadbed. Water outlets are evenly provided on the upper and lower sides of the confluence plates. Diversion plates are evenly provided between adjacent confluence plates. The two ends of the diversion plates are connected to the water outlets of two adjacent confluence plates. The diversion plates are connected to the confluence plates through the water outlets. A vegetation planting opening is provided between adjacent diversion plates. A slope seepage-proof layer is provided at the center of the surface of the confluence plates and diversion plates. The integrated design of the slope top seepage-proof layer and the slope seepage-proof layer constructs a dual pollution barrier of "horizontal barrier + sloping isolation". Compared with traditional slope protection structures, it can prevent polluted water from seeping into the slope soil, effectively prevent oil pollution from clogging soil pores and heavy metals from accumulating in the soil.

Description

Technical Field

[0001] This utility model belongs to the field of ecological slope protection technology, specifically relating to an ecological slope protection structure for road maintenance. Background Technology

[0002] In the field of road engineering, asphalt pavements often require water spraying for cooling and maintenance during the high temperatures of summer, while also needing to address the environmental problems caused by rainwater runoff. Water flows and collects on the road surface, inevitably washing away and carrying accumulated oil stains (such as leaked engine oil and fuel from vehicles) and heavy metal particles (mainly from tire wear, brake pad dust, and atmospheric deposition). Traditionally, this contaminated surface runoff flows directly or indirectly to the ecological slope protection areas on both sides of the roadbed through road cross slopes, drainage holes, or collection ditches.

[0003] Existing common ecological slope protection structures primarily function to stabilize slopes, prevent soil erosion, and beautify the environment using vegetation. However, when faced with polluted water flows rich in oil and heavy metals, these structures lack effective pollution interception. Polluted water directly seeps into the slope's soil layer. Oil contaminants coat soil particles, clog pores, and hinder root respiration and the absorption of water and nutrients. Heavy metal pollutants (such as lead, zinc, and cadmium) easily accumulate in the soil, damaging its physical and chemical properties and microbial environment, and causing toxic effects on plants. The consequences are severe stunted vegetation growth, leading to withering, death, and even complete barrenness, resulting in the loss of the slope's ecological function, a significant decline in soil and water conservation capacity, and a threat to slope stability. Ultimately, this leads to slope failure and may trigger even more serious secondary environmental risks.

[0004] Therefore, this utility model proposes an ecological slope protection structure for road maintenance, which effectively intercepts and collects polluted water flowing through the slope, thereby ensuring the health of the slope soil environment, maintaining the sustainable growth of vegetation, and achieving coordinated development of road engineering and ecological environmental protection. Utility Model Content

[0005] To achieve the above objectives, this utility model provides the following technical solution: an ecological slope protection structure for road maintenance, comprising a roadbed and a pavement, wherein a slope top seepage-proof layer is provided between the roadbed and the pavement, and a slope protection structure is provided on the slope surface of the roadbed, the slope protection structure comprising multiple confluence plates, the confluence plates being fixed to the slope surface of the roadbed, and water inlets being evenly provided on the upper and lower sides of the confluence plates, and diversion plates being evenly provided between adjacent confluence plates, the two ends of the diversion plates being connected to the water inlets of two adjacent confluence plates respectively, the diversion plates being connected to the confluence plates through the water inlets, and vegetation planting openings being provided between adjacent diversion plates, and a slope seepage-proof layer being provided at the center of the surface of the confluence plates and diversion plates, the slope seepage-proof layer and the slope top seepage-proof layer being integrally connected.

[0006] As a preferred technical solution of this utility model, the plurality of the busbars are arranged in parallel on the surface of the roadbed slope.

[0007] As a preferred technical solution of this utility model, anchor piles are evenly installed inside the slopes on both sides of the roadbed at the locations corresponding to the confluence plates, and the confluence plates are fixed to the slope surface of the roadbed by the anchor piles.

[0008] As a preferred technical solution of this utility model, both the manifold and the diversion plate include a main body, a drainage surface is provided at the center of the main body, the slope seepage prevention layer is provided on the drainage surface, and baffles are integrally connected to both sides of the main body on the drainage surface.

[0009] As a preferred embodiment of this utility model, both the manifold and the diversion plate are precast concrete structures, and the manifold and the diversion plate are fixedly connected by casting.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] (1) The integrated design of the slope top seepage prevention layer and the slope surface seepage prevention layer of this utility model constructs a double pollution barrier of "horizontal barrier + slope isolation". Compared with the traditional slope protection structure, it can prevent polluted water from seeping into the slope soil, effectively prevent oil pollution from clogging soil pores and heavy metals from accumulating in the soil, and maintain the soil's air and water permeability and microbial activity. The drainage structure formed by the confluence plate and the diversion plate, through the slope design of the water outlet and the drainage surface, realizes the rapid diversion of polluted water, improves the runoff collection efficiency, and allows pollutants to migrate directionally with the water flow to the end treatment facilities (such as oil separators, heavy metal precipitation tanks or drainage ditches), preventing them from spreading on the slope surface.

[0012] (2) The setting of vegetation planting openings provides independent growth space for plants. After the impermeable layer isolates pollutants, the soil moisture content, pH value and nutrients remain stable, the survival rate of slope vegetation is improved compared with traditional structures, and the vegetation coverage reaches more than 90%, effectively exerting the ecological benefits of soil stabilization, slope protection and landscape beautification; the precast concrete confluence plate and diversion plate are connected by on-site casting to form an integral structure. The setting of anchor pile foundation 9 increases the slope anti-sliding safety factor by 30%, significantly reducing the risk of landslides under heavy rain conditions. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0014] Figure 1 This is an overall cross-sectional view of the present invention;

[0015] Figure 2This is a plan view of the roadbed slope protection in this utility model;

[0016] Figure 3 This is a cross-sectional view of the busbar and the drain plate in this utility model;

[0017] In the diagram: 1. Roadbed; 2. Road surface; 3. Slope top seepage barrier layer; 4. Drainage plate; 5. Water inlet; 6. Drainage plate; 7. Vegetation planting inlet; 8. Slope seepage barrier layer; 9. Anchor pile foundation; 10. Main body; 11. Drainage surface; 12. Baffle. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example

[0020] Please see Figure 1-3 This utility model provides the following technical solution: an ecological slope protection structure for road maintenance, including a roadbed 1 and a pavement 2, a slope top seepage-proof layer 3 is provided between the roadbed 1 and the pavement 2, a slope protection structure is provided on the slope surface of the roadbed 1, the slope protection structure includes multiple confluence plates 4, the confluence plates 4 are fixed on the slope surface of the roadbed 1, and water inlets 5 are evenly opened on the upper and lower sides of the confluence plates 4, and diversion plates 6 are evenly arranged between adjacent confluence plates 4, the two ends of the diversion plates 6 are respectively connected to the water inlets 5 of two adjacent confluence plates 4, the diversion plates 6 are connected to the confluence plates 4 through the water inlets 5, and vegetation planting openings 7 are provided between adjacent diversion plates 6, a slope seepage-proof layer 8 is provided at the center of the surface of the confluence plates 4 and the diversion plates 6, and the slope seepage-proof layer 8 and the slope top seepage-proof layer 3 are integrally connected.

[0021] In order to construct a regular and orderly slope drainage network and ensure that polluted water flows evenly along a preset path, in this embodiment, as a preferred technical solution of the present invention, multiple drainage plates 4 are arranged in parallel on the slope surface of the roadbed 1.

[0022] In order to enhance the connection strength between the slope protection structure and the slope soil and improve the overall anti-sliding stability, in this embodiment, as a preferred technical solution of the present invention, anchor piles 9 are evenly installed inside the slopes on both sides of the roadbed 1 at the locations corresponding to the confluence plate 4, and the confluence plate 4 is fixed to the slope surface of the roadbed 1 by the anchor piles 9.

[0023] In order to form a directional drainage channel on the slope, guide polluted water to converge towards the water outlet 5 and discharge it quickly, in this embodiment, as a preferred technical solution of the present invention, both the confluence plate 4 and the diversion plate 6 include a main body 10. A drainage surface 11 is provided at the center of the main body 10, and the slope seepage prevention layer 8 is provided on the drainage surface 11. Baffles 12 are integrally connected to both sides of the main body 10 on the drainage surface 11.

[0024] In order to improve the processing accuracy and construction efficiency of components and ensure the integrity and durability of the slope protection structure, in this embodiment, as a preferred technical solution of the present invention, both the confluence plate 4 and the diversion plate 6 are precast concrete structures, and the confluence plate 4 and the diversion plate 6 are fixedly connected by casting.

[0025] In summary, based on the above-described technical solution of this utility model, the specific workflow is as follows:

[0026] The barrier function of the slope top seepage barrier layer 3: When the sewage (containing oil, heavy metals and other pollutants) collected by the road surface 2 flows along the cross slope of the road surface 2 towards the slope of the subgrade 1, it first comes into contact with the slope top seepage barrier layer 3 located between the subgrade 1 and the road surface 2. This seepage barrier layer adopts a composite structure design similar to the bathroom waterproofing process. It is usually composed of a base leveling layer, interface agent, polymer waterproof membrane (such as HDPE membrane), waterproof coating and concrete protective layer, forming a continuous and sealed horizontal seepage barrier, blocking the vertical penetration of polluted water into the interior of the subgrade 1, and preventing the subgrade 1 soil from being polluted and eroded, thus reducing its bearing capacity.

[0027] Synergistic protection of slope seepage prevention layer 8: The slope seepage prevention layer 8 at the center of the surface of the confluence plate 4 and the diversion plate 6 adopts a flexible seepage prevention material (such as cement-based penetrating crystalline waterproof coating) integrated with the slope top seepage prevention layer 3. It is laid in combination during on-site pouring or prefabrication to cover the drainage surface 11 of the entire slope protection structure. This seepage prevention layer extends along the slope slope and forms an "L-shaped" three-dimensional seepage prevention system with the slope top seepage prevention layer 3 to prevent polluted water from seeping in from the contact surface between the confluence plate 4 and the slope soil, while isolating pollutants from direct contact with the slope protection soil layer.

[0028] The drainage structure of the confluence plate 4 and the diversion plate 6: Multiple parallel confluence plates 4 are fixed to the slope surface by anchor piles 9. The water inlets 5 on the upper and lower sides of the confluence plate 4 are precisely connected to the two ends of the diversion plate 6 to form a three-dimensional drainage structure with "cross-flow". When polluted water flows through the confluence plate 4, it first converges along the drainage surface 11 to the lower baffle 12, causing the water to enter the internal channel of the diversion plate 6 through the water inlets 5 on the baffle 12.

[0029] Tiered drainage and end-of-pipe collection: The diversion plate 6 serves as a longitudinal drainage channel, progressively transferring the polluted water collected by the individual confluence plate 4 downwards, ultimately flowing into a pre-designed drainage ditch or collection pool at the bottom of the slope. During this process, the vegetation planting openings 7 are located in the gaps between adjacent diversion plates 6, neither obstructing the water flow path nor hindering the growth of herbaceous plants or shrubs, forming an intermittent layout of "drainage channel + vegetation belt," ensuring that ecological restoration and pollution control functions are achieved simultaneously.

[0030] Slope stability protection mechanism: Anchor piles 9 are evenly distributed inside the slope at the corresponding positions of the confluence plate 4. They are prestressed concrete piles or steel strand anchors, and are fixed to the stable rock layer by drilling and grouting. The horizontal and vertical loads of the confluence plate 4 are transferred to the deep soil, forming a dual stability system of mechanical anchoring and structural support, which prevents the slope protection structure from displacement due to water flow impact or soil settlement.

[0031] Finally, it should be noted that, in this utility model, unless otherwise explicitly specified and limited, the terms "installation," "setting," "connection," "fixing," "screw connection," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0032] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A road maintenance ecological slope protection structure, comprising a roadbed (1) and a pavement (2), characterized in that: A slope top seepage-proof layer (3) is provided between the roadbed (1) and the road surface (2). A slope protection structure is provided on the slope surface of the roadbed (1). The slope protection structure includes multiple confluence plates (4). The confluence plates (4) are fixed on the slope surface of the roadbed (1). Water outlets (5) are evenly opened on the upper and lower sides of the confluence plates (4). A diversion plate (6) is evenly arranged between adjacent confluence plates (4). The two ends of the diversion plate (6) are connected to the water outlets (5) of the two adjacent confluence plates (4). The diversion plate (6) is connected to the confluence plates (4) through the water outlets (5). A vegetation planting port (7) is provided between adjacent diversion plates (6). A slope seepage-proof layer (8) is provided at the center of the surface of the confluence plates (4) and the diversion plate (6). The slope seepage-proof layer (8) and the slope top seepage-proof layer (3) are integrally connected.

2. The ecological slope protection structure for road maintenance according to claim 1, characterized in that: Multiple of the aforementioned manifolds (4) are arranged in parallel on the slope surface of the roadbed (1).

3. The ecological slope protection structure for road maintenance according to claim 2, characterized in that: Anchor piles (9) are evenly installed inside the slopes on both sides of the roadbed (1) at the locations corresponding to the confluence plate (4). The confluence plate (4) is fixed to the slope surface of the roadbed (1) by the anchor piles (9).

4. The ecological slope protection structure for road maintenance according to claim 1, characterized in that: Both the confluence plate (4) and the diversion plate (6) include a main body (10), a drainage surface (11) is provided at the center of the main body (10), the slope seepage prevention layer (8) is provided on the drainage surface (11), and baffles (12) are integrally connected to both sides of the main body (10) on the drainage surface (11).

5. The ecological slope protection structure for road maintenance according to claim 1, characterized in that: Both the manifold (4) and the diversion plate (6) are precast concrete structures, and the manifold (4) and the diversion plate (6) are fixedly connected by casting.

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