Roadbed and pavement anti-seepage structure

By setting up a polymer composite seepage-proof layer consisting of polyurethane columns, epoxy resin boards, and mixed resin boards on the roadbed and pavement, combined with drainage mechanisms and protective layers, the problem of reduced seepage prevention effect of the roadbed and pavement under harsh environments has been solved, thereby improving seepage prevention performance and long-term road stability.

CN223633727UActive Publication Date: 2025-12-05FOSHAN YANGCHEN CONSTR CO LTD
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Patent Information

Application Number
CN202423097743.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-05
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing roadbed and pavement seepage prevention structures are prone to aging and cracking in harsh environments, leading to a decline in seepage prevention effectiveness and affecting road service life and safety.

Method used

A high-polymer composite seepage-proof layer composed of polyurethane columns, epoxy resin boards and mixed resin boards is used, combined with a drainage mechanism and a protective layer to improve seepage prevention performance and durability. At the same time, drainage holes and water pipes are set to drain water accumulated inside the roadbed.

Benefits of technology

It effectively reduces water infiltration, extends the service life of roads, improves safety and stability, and ensures the long-term stability of the seepage prevention effect in harsh environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of road engineering seepage prevention, and discloses a roadbed and pavement seepage prevention structure which comprises a roadbed layer, a seepage prevention layer is fixedly connected to the top wall of the roadbed layer, a plurality of polyurethane columns are fixedly connected to the front side of the inner wall of the seepage prevention layer at equal intervals, and a plurality of epoxy resin plates are fixedly connected to the bottom walls of the polyurethane columns at equal intervals. The top wall of the polyurethane column is fixedly connected with a plurality of mixed resin plates at equal intervals, the top wall of the impermeable layer is fixedly connected with a damp-proof isolating layer, the top wall of the damp-proof isolating layer is fixedly connected with a protective layer, and the top wall of the protective layer is fixedly connected with a pavement layer. According to the anti-seepage structure, under the connection of the polyurethane columns, the epoxy resin plate and the mixed resin plate, the anti-seepage layer has good anti-seepage performance and durability, moisture permeation is effectively reduced, and meanwhile under the protection of the high-strength geotechnical cloth in the protection layer, the anti-seepage structure achieves the purpose of adapting to different severe environment conditions.
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Description

TECHNICAL FIELD

[0001] The utility model relates to road engineering anti -infiltration technical field especially, a kind of roadbed pavement anti -infiltration structure. BACKGROUND

[0002] Road engineering is a comprehensive engineering discipline involving planning, design, construction and maintenance multiple links, mainly used to build various types of roads to meet the needs of traffic, social and economic development, roadbed pavement is an important part of road engineering, directly withstands vehicle load and the action of natural factors, its performance is good or bad has crucial influence on the service life of road, driving safety and comfort etc.Roadbed is the strip structure according to the location of route and certain technical requirements, is the foundation of pavement, and pavement is the layered structure for vehicle to travel on roadbed, which mainly provides flat, anti-skid and wear-resistant driving surface for vehicles.

[0003] Through the retrieval, Chinese patent publication No. CN215856989U discloses the technical field of road anti-infiltration engineering, more specifically, relates to a municipal road anti-infiltration design structure, including roadbed, the roadbed is provided with a base slot and a pavement drainage ditch, the base slot includes a support layer and an auxiliary drainage layer, the support layer includes an inclined asphalt pavement layer, a first base layer, a filling layer, and a second base layer, the auxiliary drainage layer includes a water passage, a drainage ditch, a support block, and a filling portion, the pavement drainage ditch is provided with an anti-infiltration cavity, the anti-infiltration cavity includes a first rubber layer and a waterproof silicone plate, the first rubber layer and the waterproof silicone plate are coated with internal waterproof mortar, and the outer layer of the waterproof silicone plate is coated with external waterproof mortar; the inclined asphalt pavement layer causes the rainwater in the pavement drainage ditch to fall back into the pavement drainage ditch, preventing the rainwater from infiltrating into the roadbed for a long time; the multi-layer anti-infiltration of the pavement drainage ditch enhances the anti-infiltration performance of the pavement drainage ditch, preventing rainwater and the like from infiltrating into the roadbed from the inner wall of the pavement drainage ditch; however, in actual use, the structure protects the roadbed and pavement with waterproof mortar, which makes the traditional anti-infiltration material prone to aging and cracking in harsh environmental conditions such as high temperature, low temperature, and high humidity, resulting in a decline in anti-infiltration effect and affecting the service life and safety of the road. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a roadbed pavement anti-infiltration structure, aiming at improving the problems in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a roadbed pavement anti -infiltration structure, including roadbed layer, the top wall fixedly connected with the anti -infiltration layer of roadbed layer, the inner wall front side equidistant fixedly connected with a plurality of polyurethane columns of anti -infiltration layer, the bottom wall equidistant fixedly connected with a plurality of epoxy resin boards of polyurethane column, the top wall equidistant fixedly connected with a plurality of mixed resin boards of polyurethane column, the top wall fixedly connected with the moisture-proof isolation layer of anti -infiltration layer, the top wall fixedly connected with the protective layer of moisture-proof isolation layer, the top wall fixedly connected with the pavement layer of protective layer, the left and right sides of anti -infiltration layer are all provided with drainage mechanism.

[0006] Through the above technical scheme: make in the connection of polyurethane column and epoxy resin board and mixed resin board, the anti -infiltration layer improves the anti -infiltration performance and durability, effectively reduces the moisture penetration, prolongs the service life of road, simultaneously under the protection of protective layer, make the anti -infiltration structure reach the purpose of adapting to different severe environmental conditions.

[0007] As further description of the above technical scheme:

[0008] The drainage mechanism includes two drainage shells, and the adjacent sides of the two drainage shells are fixedly connected to the left and right sides of the roadbed layer, a plurality of drainage grooves are formed in the top wall of the drainage shell, a plurality of water guide pipes are communicated with one side of the drainage shell, a plurality of drainage holes are formed in the left and right sides of the anti-infiltration layer, and one end of each of the plurality of water guide pipes is in communication with the corresponding drainage hole.

[0009] Through the above technical scheme: make in the connection of drainage groove, the water guide pipe is communicated with the drainage shell in the roadbed interior, so that under the guidance of the drainage groove, the accumulated water in the roadbed interior can be discharged, so that the safety and stability of the road are improved, and the situation that the accumulated water is accumulated in the roadbed interior is avoided.

[0010] As further description of the above technical scheme:

[0011] The drainage mechanism further includes two protective pads, and the top walls of the two protective pads are fixedly connected to the bottom walls of the drainage shells.

[0012] Through the above technical scheme: make the service life of the bottom of the drainage shell be improved, and the opening of the damage be reduced.

[0013] As further description of the above technical scheme:

[0014] The top wall of the pavement layer is fixedly connected with an anti-skid layer, and the interior of the anti-skid layer is provided with anti-skid particles and a bonding agent.

[0015] Through the above technical scheme: make the static friction force of the pavement layer be improved, so that the anti-skid performance is increased.

[0016] As a further description of the above technical solution:

[0017] The top wall of the anti-slip layer is fixedly connected to two wear-resistant layers, both of which are symmetrically designed.

[0018] The above technical solution improves the wear resistance of the top wall of the anti-slip layer.

[0019] As a further description of the above technical solution:

[0020] Multiple pressure-resistant plates are fixedly connected to the middle of the top wall of the anti-slip layer, and the top of each of the multiple pressure-resistant plates is provided with an arc surface.

[0021] The above technical solution improves the compressive strength of the top of the anti-slip layer by connecting multiple pressure-resistant plates.

[0022] As a further description of the above technical solution:

[0023] Each of the drainage channels is provided with an inclined angle, and each of the drainage channels is provided with an arc edge on one side.

[0024] The above technical solution improves the drainage guiding effect of the drainage trough by setting the tilt angle.

[0025] As a further description of the above technical solution:

[0026] The plurality of the mixed resin boards and the plurality of the epoxy resin boards and the plurality of the polyurethane columns are all mixed with adhesives and form a multi-layered structure.

[0027] The above technical solution improves the seepage prevention performance even with multi-layer installation.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the connection between the polyurethane column, epoxy resin board, and mixed resin board enables the seepage-proof layer to achieve good seepage-proof performance and durability, effectively reducing water infiltration and extending the service life of the road. At the same time, under the protection of the high-strength geotextile inside the protective layer, the seepage-proof structure can adapt to different harsh environmental conditions, ensuring the long-term stability of the seepage-proof effect.

[0030] 2. In this utility model, the water pipe is connected to the drainage shell through the drainage hole, so that the water inside the roadbed can be discharged under the guidance of the drainage channel, which effectively reduces the impact of the deposited water on the roadbed and further improves the safety and stability of the road. Attached Figure Description

[0031] Figure 1A perspective view of a roadbed pavement anti-seepage structure is provided in the utility model;

[0032] Figure 2 A plan view of a roadbed pavement anti-seepage structure is provided in the utility model;

[0033] Figure 3 A sectional view of a protective layer of a roadbed pavement anti-seepage structure is provided in the utility model;

[0034] Figure 4 A structure schematic view of an anti-seepage layer of a roadbed pavement anti-seepage structure is provided in the utility model;

[0035] Figure 5 A schematic view of a drainage mechanism of a roadbed pavement anti-seepage structure is provided in the utility model.

[0036] Legend:

[0037] 1, roadbed layer; 2, drainage mechanism; 201, drainage shell; 202, drainage groove; 203, water guide pipe; 204, drainage hole; 205, protective pad; 206, arc edge; 3, anti-seepage layer; 4, polyurethane column; 5, epoxy resin plate; 6, mixed resin plate; 7, moisture-proof isolation layer; 8, protective layer; 9, pavement layer; 10, anti-skid layer; 11, wear-resistant layer; 12, pressure-resistant plate. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0039] Reference Figure 1 , Figure 3 and Figure 4The utility model provides an embodiment: a kind of roadbed pavement anti-infiltration structure, including roadbed layer 1, the top wall of roadbed layer 1 is fixedly connected with anti-infiltration layer 3, by the setting of anti-infiltration layer 3, the waterproof performance inside roadbed is improved, the inner wall front side of anti-infiltration layer 3 is fixedly connected with multiple polyurethane columns 4 at equal intervals, under the setting of polyurethane column 4 and epoxy resin plate 5, high molecular composite material is constituted, and then the anti-infiltration effect inside roadbed is improved, the bottom wall of polyurethane column 4 is fixedly connected with multiple epoxy resin plate 5 at equal intervals, the top wall of polyurethane column 4 is fixedly connected with multiple mixed resin plate 6 at equal intervals, under the connection of mixed resin plate 6, the penetration of moisture is effectively reduced, the top wall of anti-infiltration layer 3 is fixedly connected with moisture-proof isolation layer 7, by the connection of moisture-proof isolation layer 7, because it has good waterproof performance and weather resistance, anti-infiltration performance is further improved, the top wall of moisture-proof isolation layer 7 is fixedly connected with protective layer 8, protective layer 8 makes anti-infiltration structure reach the effect of adapting to different severe environmental conditions, the top wall of protective layer 8 is fixedly connected with pavement layer 9, and the left and right sides of anti-infiltration layer 3 are provided with drainage mechanism 2;Multiple mixed resin plate 6 and multiple epoxy resin plate 5 and multiple polyurethane columns 4 are formed by adhesive mixing, and multiple layer settings are formed.

[0040] Specifically, anti-infiltration layer 3 is provided on the upper layer of roadbed layer 1, by the connection of polyurethane column 4 and epoxy resin plate 5 and mixed resin plate 6, a high molecular composite structure is jointly constituted, so that anti-infiltration layer 3 has higher anti-infiltration performance, and its durability is also enhanced, the anti-infiltration effect inside roadbed is improved, the penetration of moisture is effectively reduced, the overall service life of road is prolonged, early damage caused by moisture penetration is avoided, under the connection of high-strength geotextile in protective layer 8, high-strength geotextile is evenly laid above anti-infiltration layer 3, so that anti-infiltration structure can adapt to various severe environmental conditions, and long-term stability of anti-infiltration effect is also ensured, by the comprehensive protection measures, the weather resistance of roadbed is improved, thereby providing strong guarantee for long-term stable operation of road, by multiple layer settings, the anti-infiltration performance of anti-infiltration layer 3 is improved.

[0041] Refer to Figure 1 , Figure 2 and Figure 5The drainage mechanism 2 comprises two drainage shells 201, the adjacent sides of the two drainage shells 201 are fixedly connected to the left and right sides of the roadbed layer 1 respectively, and the drainage shells 201 achieve the effect of draining accumulated water. The top wall of the drainage shell 201 is provided with a plurality of drainage grooves 202, which improve the efficiency of drainage. One side of the drainage shell 201 is communicated with a plurality of water guide pipes 203, which guide the accumulated water. The left and right sides of the anti-seepage layer 3 are provided with a plurality of drainage holes 204, which drain the accumulated water. One end of the plurality of water guide pipes 203 is communicated with the corresponding drainage hole 204. The drainage mechanism 2 further comprises two protective pads 205, the top walls of the two protective pads 205 are fixedly connected to the bottom walls of the drainage shells 201, and the protective pads 205 protect the bottoms of the drainage shells 201.

[0042] Specifically, under the connection and action of the drainage hole 204, the accumulated water in the roadbed is drained through the drainage hole 204. The internal space of the roadbed is effectively communicated with the drainage shell 201 under the guidance and assistance of the drainage groove 202. The accumulated water in the roadbed can be more smoothly guided, avoiding the formation of high humidity in the roadbed, thereby reducing the possibility of cracking in the roadbed layer 1, improving the safety of the road, and further enhancing the overall stability and durability of the road.

[0043] Referring to Figure 1 , Figure 2 and Figure 5 , the top wall of the pavement layer 9 is fixedly connected with an anti-skid layer 10, the inside of the anti-skid layer 10 is provided with anti-skid particles and adhesive. The top wall of the anti-skid layer 10 is fixedly connected with two wear-resistant layers 11, both of which are designed symmetrically. The top wall of the anti-skid layer 10 is fixedly connected with a plurality of compression-resistant plates 12, the top of each of the plurality of compression-resistant plates 12 is provided with a curved surface. Each of the plurality of drainage grooves 202 is provided with an inclined angle, and each of the plurality of drainage grooves 202 is provided with an arc edge 206.

[0044] Specifically, the anti-skid layer 10 improves the anti-skid performance of the pavement layer 9. The setting of the wear-resistant layer 11 improves the service life of the anti-skid layer 10. The connection of the plurality of compression-resistant plates 12 effectively disperses the pressure. The drainage groove 202 is provided with an inclined angle, which improves the guiding effect of the drainage groove 202.

[0045] Working principle: the top of the roadbed layer 1 is provided with an anti-seepage layer 3, which is connected by polyurethane columns 4, epoxy resin plates 5 and mixed resin plates 6, so that a high molecular composite structure is formed, and the anti-seepage layer 3 has good anti-seepage performance and durability, the anti-seepage effect inside the roadbed is improved, the penetration of water is effectively reduced, the service life of the road is prolonged, and at the same time, under the connection of the high-strength geotextile in the protective layer 8, the high-strength geotextile is uniformly laid on the top of the anti-seepage layer 3, so that the anti-seepage structure can adapt to different harsh environmental conditions, ensure the long-term stability of the anti-seepage effect, improve the weather resistance of the roadbed, and under the connection of the drainage hole 204, the accumulated water in the roadbed is discharged through the drainage hole 204, and under the connection of the water guide pipe 203, the internal space of the roadbed is communicated with the drainage shell 201, so that under the guidance of the drainage groove 202, the accumulated water in the roadbed can be discharged, avoiding the formation of high humidity in the roadbed, reducing the possibility of cracking in the roadbed layer 1, and further improving the safety and stability of the road.

[0046] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A road base and pavement anti-seepage structure comprising a road base layer (1), characterized in that: The top wall of the roadbed layer (1) is fixedly connected with an anti-seepage layer (3), the inner wall front side of the anti-seepage layer (3) is fixedly connected with a plurality of polyurethane columns (4) at equal intervals, the bottom wall of the polyurethane column (4) is fixedly connected with a plurality of epoxy resin plates (5) at equal intervals, the top wall of the polyurethane column (4) is fixedly connected with a plurality of mixed resin plates (6) at equal intervals, the top wall of the anti-seepage layer (3) is fixedly connected with a moisture-proof isolation layer (7), the top wall of the moisture-proof isolation layer (7) is fixedly connected with a protective layer (8), the top wall of the protective layer (8) is fixedly connected with a road surface layer (9), and the left and right sides of the anti-seepage layer (3) are provided with drainage mechanisms (2).

2. The anti-seepage structure of roadbed and pavement according to claim 1, characterized in that: The drainage mechanism (2) comprises two drainage shells (201), the adjacent sides of the two drainage shells (201) are fixedly connected to the left and right sides of the roadbed layer (1), the top wall of the drainage shell (201) is provided with a plurality of drainage grooves (202), one side of the drainage shell (201) is communicated with a plurality of water guide pipes (203), and the left and right sides of the anti-seepage layer (3) are provided with a plurality of drainage holes (204).

3. A road base pavement anti-seepage structure according to claim 2, characterized in that: The drainage mechanism (2) further comprises two protective pads (205), and the top walls of the two protective pads (205) are fixedly connected to the bottom walls of the drainage shells (201).

4. The anti-seepage structure of roadbed and pavement according to claim 1, characterized in that: The top wall of the road surface layer (9) is fixedly connected with an anti-skid layer (10), the inside of the anti-skid layer (10) is provided with anti-skid particles and a bonding agent.

5. A road base pavement anti-seepage structure according to claim 4, characterized in that: The top wall of the anti-skid layer (10) is fixedly connected with two wear-resistant layers (11), and the two wear-resistant layers (11) are designed symmetrically.

6. The anti-seepage structure of roadbed and pavement according to claim 4, characterized in that: The top wall of the anti-skid layer (10) is fixedly connected with a plurality of compression-resistant plates (12), and the top of each of the plurality of compression-resistant plates (12) is provided with a curved surface.

7. The anti-seepage structure of roadbed and pavement according to claim 2, characterized in that: Each of the plurality of drainage grooves (202) is provided with an inclination angle, and each of the plurality of drainage grooves (202) is provided with an arc edge (206).

8. The anti-seepage structure of roadbed and pavement according to claim 1, characterized in that: The plurality of mixed resin plates (6), the plurality of epoxy resin plates (5) and the plurality of polyurethane columns (4) are formed by mixing an adhesive, and are arranged in multiple layers.