Waterproof roadbed

Abstract

The utility model relates to the technical field of roadbeds, and provides a waterproof roadbed which comprises a foundation, an isolation belt is arranged at the top of the foundation and made of waterproof concrete, a roadbed body is arranged in the isolation belt, a gravel layer is arranged on the bottom side of the inner wall of the roadbed body, a base layer is arranged at the top of the gravel layer, and a waterproof layer is arranged on the base layer. The base layer is made of cement concrete, a plurality of reinforcing ribs are arranged in the base layer, the reinforcing ribs are made of steel bars, a first bonding layer is arranged at the top of the base layer, the first bonding layer is made of asphalt cement, and a waterproof layer is arranged at the top of the first bonding layer. By arranging the isolation belt made of the waterproof concrete material and the waterproof layer made of the polymer geomembrane material, water and pollutants in the foundation can be effectively prevented from permeating to the pavement, the pavement structure is protected against the influence of foundation erosion, and the service life of the pavement is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed, in particular to a waterproof roadbed. Background Art

[0002] Roadbed refers to the foundation of the track or road surface, and the main function of the roadbed is to provide the necessary conditions for track or road surface laying and train or vehicle operation, and to bear the static and dynamic loads of the track and locomotive vehicles or road surface and traffic loads, while transferring and diffusing the loads deep into the foundation.

[0003] However, there is a common problem in the use of existing waterproof roadbeds, namely, poor drainage performance. When precipitation occurs, rainwater on the road surface cannot effectively penetrate through the roadbed and be quickly discharged, resulting in frequent water accumulation on the top of the road surface layer, forming water accumulation. This water accumulation not only affects the normal use of the road, but may also cause many problems, such as increasing driving risks, reducing road traffic efficiency, and even damaging the road structure. Utility Model Content

[0004] The utility model aims to solve the problem in the prior art that the waterproof roadbed has poor drainage performance during use and forms water accumulation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a waterproof roadbed, including a foundation, an isolation belt is arranged on the top of the foundation, the material of the isolation belt is waterproof concrete, a roadbed body is arranged inside the isolation belt, a crushed stone layer is arranged on the bottom side of the inner wall of the roadbed body, a base layer is arranged on the top of the crushed stone layer, the material of the base layer is cement concrete, a plurality of reinforcing ribs are arranged inside the base layer, the material of the reinforcing ribs is steel bars, a first bonding layer is arranged on the top of the base layer, the material of the first bonding layer is asphalt binder, a waterproof layer is arranged on the top of the first bonding layer, and the material of the waterproof layer is polymer geomembrane.

[0006] As a preferred embodiment, a second bonding layer is provided on the top of the waterproof layer, and the material of the second bonding layer is asphalt binder.

[0007] The technical effect of adopting the above further solution is that the waterproof layer and the water-permeable layer are bonded together through the second bonding layer.

[0008] As a preferred implementation, a water-permeable layer is provided on the top of the second bonding layer, and the material of the water-permeable layer is permeable concrete.

[0009] The technical effect of adopting the above further solution is that different structural layers can be effectively bonded together by providing the second bonding layer.

[0010] As a preferred embodiment, a base surface layer is arranged on the top of the water-permeable layer, the material of the base surface layer is permeable asphalt, and slopes are arranged on both sides of the water-permeable layer and the base surface layer.

[0011] The technical effect of adopting the above further solution is: the application of the base surface layer of permeable asphalt material can help drain water and avoid water accumulation on the road when it rains.

[0012] As a preferred embodiment, the material of the slopes is cement concrete, a plurality of water-permeable holes are provided inside the two slopes, and drainage channels are provided at the bottoms of the two slopes.

[0013] The technical effect of adopting the above further solution is that precipitation can flow into the top of the partition through the slope.

[0014] As a preferred embodiment, the two drainage channels are both arranged on the top of the foundation, and a plurality of positioning holes are opened on the top sides of the inner walls of the two drainage channels.

[0015] The technical effect of adopting the above further solution is that the positioning column can be embedded into the interior of the positioning hole.

[0016] As a preferred embodiment, partitions are provided on the top sides of the inner walls of the two drainage channels, multiple positioning columns are provided on the outer sides of the two partitions, and the outer surfaces of the multiple positioning columns are provided on the inner surface of the positioning holes.

[0017] The technical effect of adopting the above further solution is that the partition can be fixed inside the drainage channel through the positioning columns and the positioning holes.

[0018] As a preferred embodiment, a plurality of water inlet holes are provided inside the two partitions, a plurality of support members are provided outside the two drainage channels, and the plurality of support members are provided on the top of the foundation.

[0019] The technical effect of adopting the above further solution is that the drainage channel can be reinforced by supporting members.

[0020] Compared with the prior art, the advantages and positive effects of the utility model are:

[0021] 1. When the utility model is in use, the isolation belt of the waterproof concrete material and the waterproof layer of the polymer geomembrane material can effectively prevent the moisture and pollutants in the foundation from penetrating into the road surface, protect the road surface structure from the influence of foundation erosion, and extend the service life of the road surface. The application of the water-permeable layer of the permeable concrete material and the base surface layer of the permeable asphalt material can help to drain water when it rains, avoid water accumulation on the road surface, reduce damage, and improve the water resistance of the road surface. The embedding of the reinforcing bars of the steel bar material helps to increase the bearing capacity and crack resistance of the roadbed, and improve the stability and durability of the road surface. At the same time, the first bonding layer and the second bonding layer of the asphalt binder material are set to effectively bond different structural layers together to form an integral road surface structure, which can reduce the peeling and separation between the structural layers, enhance the integrity and stability of the road surface, and solve the problem in the prior art that the waterproof roadbed has poor drainage performance when in use and will form water accumulation.

[0022] 2. When in use, the utility model can not only quickly drain water from the roadbed through structures such as drainage channels and permeable holes, reduce road surface waterlogging, and reduce the risk of road surface water damage, but also effectively protect the roadbed structure from water erosion and damage, which helps to extend the service life of the roadbed and reduce maintenance and repair costs, and further solves the problem in the prior art that the waterproof roadbed has poor drainage performance when in use, which will form water accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A rear-view stereoscopic structural schematic diagram of a waterproof roadbed provided by the utility model;

[0024] Figure 2 A schematic diagram of a partial three-dimensional structure of a waterproof roadbed provided by the utility model;

[0025] Figure 3 A schematic diagram of a sectional three-dimensional structure of a waterproof roadbed provided by the utility model Figure 1 ;

[0026] Figure 4 A schematic diagram of a sectional three-dimensional structure of a waterproof roadbed provided by the utility model Figure 2 .

[0027] Legend:

[0028] 1. Foundation; 101. Isolation zone; 102. Road base; 103. Gravel layer; 104. Base layer; 105. Reinforcement ribs; 106. First bonding layer; 107. Waterproof layer; 108. Second bonding layer; 109. Seepage layer; 110. Base surface layer; 2. Slope; 201. Permeable holes; 202. Drainage channel; 203. Positioning holes; 204. Partition; 205. Positioning column; 206. Water inlet hole; 207. Support. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example 1, please refer to Figure 1-4 The utility model provides a technical solution: a waterproof roadbed, including a foundation 1, an isolation belt 101 is arranged on the top of the foundation 1, the material of the isolation belt 101 is waterproof concrete, a roadbed body 102 is arranged inside the isolation belt 101, a crushed stone layer 103 is arranged on the bottom side of the inner wall of the roadbed body 102, a base layer 104 is arranged on the top of the crushed stone layer 103, the material of the base layer 104 is cement concrete, a plurality of reinforcing ribs 105 are arranged inside the base layer 104, the material of the reinforcing ribs 105 is steel bars, a first bonding layer 106 is arranged on the top of the base layer 104, the material of the first bonding layer 106 is asphalt binder, and the top of the first bonding layer 106 A waterproof layer 107 is provided at the top, and the material of the waterproof layer 107 is a polymer geomembrane. A second bonding layer 108 is provided on the top of the waterproof layer 107, and the material of the second bonding layer 108 is asphalt binder. A water-permeable layer 109 is provided on the top of the second bonding layer 108, and the material of the water-permeable layer 109 is permeable concrete. A base surface layer 110 is provided on the top of the water-permeable layer 109, and the material of the base surface layer 110 is permeable asphalt. Slopes 2 are provided on both sides of the water-permeable layer 109 and the base surface layer 110, and the material of the slope 2 is cement concrete. A plurality of water-permeable holes 201 are opened inside the two slopes 2, and drainage channels 202 are provided at the bottom of the two slopes 2.

[0031] In this embodiment, personnel first lay an isolation belt 101 on the foundation 1 and lay crushed stones on the bottom side of the inner wall of the isolation belt 101 to form a crushed stone layer 103, and lay cement concrete on the top of the crushed stone layer 103 to form a base layer 104, and embed reinforcing ribs 105 of steel bar material inside the base layer 104, and then lay asphalt binder on the top of the base layer 104 to form a first bonding layer 106, and take up the polymer geomembrane and lay it on the top of the first bonding layer 106 to form a waterproof layer 107, and the waterproof layer 107 is located on the inner top side of the isolation belt 101. The material of the isolation belt 101 is waterproof concrete, and then the asphalt binder is laid on the top of the waterproof layer 107 to form a second bonding layer 108, and permeable concrete is laid on the top of the second bonding layer 108 to form a seepage layer 109, and then the permeable asphalt is laid on the top of the seepage layer 109 to form a base surface layer 110, so as to basically The body 102 is paved, and the isolation belt 101 of the waterproof concrete material and the waterproof layer 107 of the polymer geomembrane material can effectively prevent the moisture and pollutants in the foundation 1 from penetrating into the road surface, protect the road surface structure from the erosion of the foundation 1, and extend the service life of the road surface. The application of the permeable layer 109 of the permeable concrete material and the base surface layer 110 of the permeable asphalt material can help drain water when it rains, avoid road surface water accumulation, reduce damage, and improve the water resistance of the road surface. The embedding of the steel reinforcement 105 helps to increase the bearing capacity and crack resistance of the roadbed, and improve the stability and durability of the road surface. At the same time, through the setting of the first bonding layer 106 and the second bonding layer 108 of the asphalt binder material, different structural layers are effectively bonded together to form an integral road surface structure, which can reduce the peeling and separation between the structural layers and enhance the integrity and stability of the road surface.

[0032] Embodiment 2, as Figure 1-4 As shown, the two drainage channels 202 are both arranged on the top of the foundation 1, a plurality of positioning holes 203 are opened on the top sides of the inner walls of the two drainage channels 202, partitions 204 are arranged on the top sides of the inner walls of the two drainage channels 202, a plurality of positioning columns 205 are arranged on the outer sides of the two partitions 204, the outer surfaces of the plurality of positioning columns 205 are arranged on the inner surfaces of the positioning holes 203, a plurality of water inlet holes 206 are opened inside the two partitions 204, a plurality of support members 207 are arranged on the outer sides of the two drainage channels 202, and the plurality of support members 207 are arranged on the top of the foundation 1.

[0033] In this embodiment, the drainage channel 202 is first set on the top of the foundation 1 and located on the outside of the isolation zone 101, and then the partition 204 is picked up, and the positioning column 205 installed thereon is embedded into the inside of the positioning hole 203, and then the partition 204 is fixed to the inside of the drainage channel 202, and then the support member 207 is picked up and placed on the outside of the drainage channel 202, and bolts are embedded in the top of the support member 207, and the bolts are embedded into the inside of the drainage channel 202, and then another bolt is picked up and embedded into the top of the support member 207 and the inside of the foundation 1, thereby completing the installation of the support member 207 and reinforcing the drainage channel 202 at the same time, laying cement concrete on the outside of the permeable layer 109 and the base surface layer 110 to form a slope 2, and the slope 2 is located at the top of the drainage channel 2, and a permeable hole is opened inside the slope 2. Water holes 201, and then complete the construction of the roadbed. When the roadbed encounters precipitation, the precipitation will penetrate into the interior of the roadbed body 102 through the base surface layer 110 and the seepage layer 109, and be located on the top of the second bonding layer 108. Then, the precipitation that has penetrated into the interior of the roadbed body 102 is discharged through the permeable holes 201, so that the precipitation flows into the top of the partition 204 through the slope 2, and the precipitation that falls on the top of the partition 204 flows into the interior of the drainage channel 202 through the water inlet hole 206. When there is a lot of water seepage inside the roadbed body 102, and through structures such as the drainage channel 202 and the permeable holes 201, not only can the water be quickly discharged from the roadbed, reducing road surface waterlogging and reducing the risk of water damage to the road surface, but also the roadbed structure can be effectively protected from water erosion and damage, which helps to extend the service life of the roadbed and reduce maintenance and repair costs.

[0034] Working principle: When in use, the personnel first lay the isolation belt 101 on the foundation 1 and lay crushed stones on the bottom side of the inner wall of the isolation belt 101 to form a crushed stone layer 103, and lay cement concrete on the top of the crushed stone layer 103 to form a base layer 104, and embed the reinforcing ribs 105 of steel bar material inside the base layer 104, and then lay asphalt binder on the top of the base layer 104 to form a first bonding layer 106, and take the polymer geomembrane and lay it on the top of the first bonding layer 106 to form a waterproof layer 107, and the waterproof layer 107 is located on the inner top side of the isolation belt 101. The material of the isolation belt 101 is waterproof concrete, and then lay the asphalt binder on the top of the waterproof layer 107 to form a second bonding layer 108, and lay permeable concrete on the top of the second bonding layer 108 to form a seepage layer 109, and then lay permeable asphalt on the top of the seepage layer 109 to form a base surface layer 110, and then The basic body 102 is laid, and the isolation belt 101 of waterproof concrete material and the waterproof layer 107 of polymer geomembrane material can effectively prevent moisture and pollutants in the foundation 1 from penetrating into the road surface, protect the road surface structure from the erosion of the foundation 1, and extend the service life of the road surface. The application of the permeable layer 109 of permeable concrete material and the base surface layer 110 of permeable asphalt material can help drain water when it rains, avoid road surface water accumulation, reduce damage, and improve the water resistance of the road surface. The embedding of steel reinforcement 105 helps to increase the bearing capacity and crack resistance of the roadbed, and improve the stability and durability of the road surface. At the same time, through the setting of the first bonding layer 106 and the second bonding layer 108 of the asphalt binder material, different structural layers are effectively bonded together to form an integral road surface structure, which can reduce the peeling and separation between the structural layers and enhance the integrity and stability of the road surface.When in use, the drainage channel 202 is first set on the top of the foundation 1 and located on the outside of the isolation zone 101, and then the partition 204 is picked up, and the positioning column 205 installed thereon is embedded into the inside of the positioning hole 203, and then the partition 204 is fixed to the inside of the drainage channel 202, and then the support 207 is picked up and placed on the outside of the drainage channel 202, and bolts are embedded in the top of the support 207, and the bolts are embedded in the inside of the drainage channel 202, and then another bolt is picked up and embedded in the top of the support 207 and the inside of the foundation 1, thereby completing the installation of the support 207 and reinforcing the drainage channel 202 at the same time, laying cement concrete on the outside of the permeable layer 109 and the base surface layer 110 to form a slope 2, and the slope 2 is located at the top of the drainage channel 2, and a permeable hole is opened in the inside of the slope 2. Water holes 201, and then complete the construction of the roadbed. When the roadbed encounters precipitation, the precipitation will penetrate into the interior of the roadbed body 102 through the base surface layer 110 and the seepage layer 109, and be located on the top of the second bonding layer 108. Then, the precipitation that has penetrated into the interior of the roadbed body 102 is discharged through the permeable holes 201, so that the precipitation flows into the top of the partition 204 through the slope 2, and the precipitation that falls on the top of the partition 204 flows into the interior of the drainage channel 202 through the water inlet hole 206. When there is a lot of water seepage inside the roadbed body 102, and through structures such as the drainage channel 202 and the permeable holes 201, not only can the water be quickly discharged from the roadbed, reducing road surface waterlogging and reducing the risk of water damage to the road surface, but also the roadbed structure can be effectively protected from water erosion and damage, which helps to extend the service life of the roadbed and reduce maintenance and repair costs.

[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A waterproof roadbed, comprising a foundation (1), characterized in that: An isolation belt (101) is arranged on the top of the foundation (1), the isolation belt (101) is made of waterproof concrete, a road base body (102) is arranged inside the isolation belt (101), a crushed stone layer (103) is arranged on the bottom side of the inner wall of the road base body (102), a base layer (104) is arranged on the top of the crushed stone layer (103), the base layer (104) is made of cement concrete, a plurality of reinforcing ribs (105) are arranged inside the base layer (104), the reinforcing ribs (105) are made of steel bars, a first bonding layer (106) is arranged on the top of the base layer (104), the first bonding layer (106) is made of asphalt binder, a waterproof layer (107) is arranged on the top of the first bonding layer (106), and the waterproof layer (107) is made of polymer geomembrane.

2. A waterproof roadbed according to claim 1, characterized in that: A second bonding layer (108) is provided on the top of the waterproof layer (107), and the material of the second bonding layer (108) is asphalt binder.

3. A waterproof roadbed according to claim 2, characterized in that: A water seepage layer (109) is provided on the top of the second bonding layer (108), and the material of the water seepage layer (109) is permeable concrete.

4. A waterproof roadbed according to claim 3, characterized in that: A base surface layer (110) is arranged on the top of the water permeable layer (109), the material of the base surface layer (110) is water-permeable asphalt, and slopes (2) are arranged on both sides of the water permeable layer (109) and the base surface layer (110).

5. A waterproof roadbed according to claim 4, characterized in that: The material of the slopes (2) is cement concrete, a plurality of water-permeable holes (201) are provided inside the two slopes (2), and drainage channels (202) are provided at the bottoms of the two slopes (2).

6. A waterproof roadbed according to claim 5, characterized in that: The two drainage channels (202) are both arranged on the top of the foundation (1), and a plurality of positioning holes (203) are provided on the top sides of the inner walls of the two drainage channels (202).

7. A waterproof roadbed according to claim 6, characterized in that: The top sides of the inner walls of the two drainage channels (202) are both provided with partitions (204), the outer sides of the two partitions (204) are both provided with a plurality of positioning columns (205), and the outer surfaces of the plurality of positioning columns (205) are both provided on the inner surfaces of the positioning holes (203).

8. A waterproof roadbed according to claim 7, characterized in that: A plurality of water inlet holes (206) are provided inside the two partitions (204), a plurality of support members (207) are provided outside the two drainage channels (202), and the plurality of support members (207) are provided on the top of the foundation (1).

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