Highway pavement structure and construction method of highway pavement

Abstract

The invention belongs to the technical field of highway structures, and provides a highway pavement structure and a construction method of a highway pavement. The base layer is laid on the bottom layer, and a concrete layer is laid on the base layer; the heating assembly is arranged above the concrete layer, the heating assembly is used for heating the road surface, and the heating assembly comprises a supporting piece arranged at the upper end of the concrete layer; the supporting piece and the supporting shell are responsible for fixing and supporting the heating piece, and the heating piece heats the road surface by generating heat. By means of the design, it can be guaranteed that heat is evenly distributed on a pavement layer, so that the pavement is effectively prevented from being frozen or accumulated with snow, the traffic capacity and safety of a road are improved, the design is particularly important in cold areas or areas where freezing and snow accumulation are prone to occurring in winter, and the adaptability and reliability of the road can be remarkably improved; therefore, the overall strength and the service life of the road can be further improved.

Description

Technical Field

[0001] The invention belongs to the technical field of highway structures, in particular to a highway pavement structure and a highway pavement construction method. Background Art

[0002] Highway pavement structure refers to the layered structure paved within the carriageway on the highway subgrade, which has the functions of bearing traffic loads, resisting wheel wear and maintaining the flatness of the highway surface. Highway pavement structure can be divided into three main layers: surface layer, base layer and cushion layer according to the layer position and its function. Highway pavement structure is an important part of highway engineering. Its design, construction and maintenance are directly related to the performance, safety and durability of the highway. A good quality pavement should have sufficient strength and good stability, and its surface should meet the requirements of flatness, density and anti-skid.

[0003] The existing road surface faces a significant problem in winter: it is difficult to thaw or melt snow in a timely and effective manner. Traditional coping strategies, such as spreading salt or shoveling snow, can alleviate the problem to a certain extent, but the effect is limited and often cannot completely eliminate the safety hazards caused by ice or snow on the road surface. Especially in areas with severe cold climates or frequent snowfall in winter, the existing road surface lacks sufficient heat supply and is difficult to effectively prevent the formation of ice or snow on the road surface, which seriously affects the traffic capacity and driving safety of the highway. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a highway pavement structure and a highway pavement construction method. The pavement of the prior art lacks sufficient heat supply and is difficult to effectively prevent the formation of ice or snow on the road surface, which seriously affects the traffic capacity and driving safety of the highway.

[0005] A highway pavement structure, comprising:

[0006] bottom layer;

[0007] A base layer is laid on the bottom layer, and a concrete layer is laid on the base layer;

[0008] A heating component is arranged above the concrete layer, the heating component is used to heat the road surface, the heating component comprises a support member arranged at the upper end of the concrete layer, a support shell is arranged at the upper end of the support member, and a heating component is installed inside the support shell;

[0009] The pavement layer is laid on the concrete layer and the upper end of the heating component, and the pavement layer material is composed of epoxy resin, asphalt, curing agent and quartz sand.

[0010] Preferably, a grid mesh is inlaid between the bottom layer and the base layer.

[0011] Preferably, the base material consists of coarse crushed stone, fine crushed stone and lime, the coarse crushed stone is used as the main base material, the fine crushed stone fills the gaps between the coarse crushed stone, and the lime fills the gaps between the coarse crushed stone and the fine crushed stone.

[0012] Preferably, a grid mesh 2 is embedded between the base layer and the concrete layer.

[0013] Preferably, a grid mesh three is embedded between the concrete layer and the pavement layer, and the grid mesh three is located at the lower end of the heating component.

[0014] A method for constructing a highway pavement comprises the following steps:

[0015] S1: Base layer construction: First, clean the surface of the base layer and compact it with a roller;

[0016] S2: Base construction: Then, the grid mesh 1 is laid on the upper end of the base layer, and then coarse crushed stone, fine crushed stone and lime are laid on the base layer and the upper end of the grid mesh 1 and compacted to form a base layer;

[0017] S3: Middle layer construction: Lay the second grid mesh on the top of the base layer, and then lay concrete on the base layer and the top of the second grid mesh to form a concrete layer after the concrete solidifies;

[0018] S4: Pavement construction: Then lay the grille mesh three on the top of the concrete layer, and then install the support on the top of the grille mesh three, and then install the support shell with the heating element on the top of the support, and then lay epoxy resin asphalt on the concrete layer, grille mesh three and the upper end of the heating component, and part of the epoxy resin asphalt is filled in the gap between the grille mesh three and the heating component, and the pavement layer is formed after the epoxy resin asphalt solidifies.

[0019] Preferably, when laying coarse crushed stone, fine crushed stone and lime in S2, the coarse crushed stone is laid first, and the coarse crushed stone is laid on the bottom layer and the upper end of the grid mesh, and the coarse crushed stone fills the gaps of the grid mesh. After the laying height of the coarse crushed stone is consistent with the height of the grid mesh, the fine crushed stone is laid, and the fine crushed stone fills the gaps between the coarse crushed stone. Then, the lime is laid to fill the gaps between the coarse crushed stone and the fine crushed stone. After that, another layer is laid according to the coarse crushed stone-fine crushed stone-lime to reach the set thickness of the base layer.

[0020] Preferably, in the step S2, the coarse crushed stone, fine crushed stone and lime are laid in layers, and then each layer is compacted using a roller.

[0021] Preferably, in S4, a welding process is used between the support member and the grille mesh three, and a welding process is used between the support shell and the support member.

[0022] Preferably, before laying the epoxy resin asphalt in S4, the surfaces of the concrete layer, the grid mesh three and the heating component are cleaned and treated.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. The present invention fixes and supports the heating element through the support member and the support shell, and the heating element heats the road surface by generating heat. This design can ensure that the heat is evenly distributed to the road surface layer, thereby effectively preventing ice or snow accumulation on the road surface, improving the traffic capacity and safety of the highway, which is particularly important in cold areas or areas prone to ice and snow accumulation in winter, and can significantly improve the adaptability and reliability of the highway. At the same time, the support member and the support shell can be composed of steel structures, thereby further improving the overall strength and service life of the highway.

[0025] 2. The present invention uses coarse crushed stone as the main material of the base. The coarse crushed stone can effectively disperse the weight of the superstructure and provide good bearing capacity due to its large particle size and good mechanical properties. The fine crushed stone fills the gaps between the coarse crushed stones and reduces the gaps inside the base, thereby improving the density and integrity of the base. Lime further fills the tiny gaps between the coarse crushed stone and the fine crushed stone, and through its gelling effect, the crushed stone particles are bonded together to form a more compact and solid whole, thereby significantly improving the strength and stability of the base, reducing the gaps in the base, reducing the possibility of water penetration, extending the service life of the road, and improving the road's bearing capacity for vehicle loads.

[0026] 3. The present invention ensures the stability and durability of the pavement structure through layered paving and compaction steps, combined with the reinforcing effects of grid mesh 1 2, grid mesh 2 4 and grid mesh 3 6 and the heating function of heating assembly 7. The paving of epoxy resin asphalt not only improves the flatness and waterproof performance of the pavement, but also enhances the integrity and crack resistance of the pavement. After this series of construction steps, the final highway pavement has excellent bearing capacity and service life, providing a strong guarantee for the safe driving of vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the separation structure of the heating component of the present invention.

[0029] In the figure:

[0030] 1. Bottom layer; 2. Grille mesh one; 3. Base layer; 4. Grille mesh two; 5. Concrete layer; 6. Grille mesh three; 7. Heating component; 71. Support member; 72. Support shell; 73. Heating member; 8. Pavement layer. DETAILED DESCRIPTION

[0031] The following embodiments of the present invention are described in further detail in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] As attached Figure 1 To Attachment Figure 2 As shown:

[0033] Embodiment 1: The present invention provides a highway pavement structure, comprising:

[0034] Bottom layer 1;

[0035] A base layer 3 is laid on the bottom layer 1, and a concrete layer 5 is laid on the base layer 3;

[0036] A heating assembly 7 is disposed above the concrete layer 5. The heating assembly 7 is used to heat the road surface. The heating assembly 7 includes a support member 71 disposed at the upper end of the concrete layer 5. A support shell 72 is disposed at the upper end of the support member 71. A heating member 73 is installed inside the support shell 72. The heating member 73 includes but is not limited to a heating wire.

[0037] The pavement layer 8 is laid on the concrete layer 5 and the upper end of the heating assembly 7. The pavement layer 8 is made of epoxy resin, asphalt, curing agent and quartz sand.

[0038] The base layer 3 material is composed of coarse crushed stone, fine crushed stone and lime. The coarse crushed stone is the main material of the base layer 3, the fine crushed stone fills the gaps between the coarse crushed stone, and the lime fills the gaps between the coarse crushed stone and the fine crushed stone.

[0039] As can be seen from the above, the base layer 3 is composed of coarse crushed stone, fine crushed stone and lime. The coarse crushed stone is the main material of the base layer 3. Due to its large particle size and good mechanical properties, the coarse crushed stone can effectively disperse the weight of the upper structure and provide good bearing capacity. The fine crushed stone fills the gaps between the coarse crushed stones and reduces the gaps inside the base layer 3, thereby improving the density and integrity of the base layer 3. Lime further fills the tiny gaps between the coarse crushed stone and the fine crushed stone, and through its gelling effect, it bonds the crushed stone particles together to form a more compact and solid whole, thereby significantly improving the strength and stability of the base layer 3, reducing the gaps in the base layer 3, reducing the possibility of water penetration, extending the service life of the road, and improving the road's bearing capacity for vehicle loads.

[0040] The concrete layer 5 is laid on the base layer 3, mainly playing a transition and supporting role. The concrete material has good compressive strength and durability, can further disperse the weight of the superstructure, and provide a stable support platform for the heating component 7. At the same time, the concrete layer 5 can also effectively prevent moisture and other harmful substances from penetrating into the base layer 3 and the bottom layer 1, protecting the integrity of the highway structure.

[0041] The heating assembly 7 includes a support member 71, a support shell 72 and a heating member 73. The support member 71 and the support shell 72 are responsible for fixing and supporting the heating member 73, and the heating member 73 heats the road surface by generating heat. This design can ensure that the heat is evenly distributed to the road surface layer 8, thereby effectively preventing the road surface from icing or snow accumulation, improving the traffic capacity and safety of the highway, which is particularly important in cold areas or areas prone to ice and snow accumulation in winter, and can significantly improve the adaptability and reliability of the highway. At the same time, the support member 71 and the support shell 72 can be composed of a steel structure, thereby further improving the overall strength and service life of the highway.

[0042] Epoxy resin asphalt has high strength, stability, durability, waterproof performance, and crack resistance. Using epoxy resin asphalt as a road surface can improve the various performances of the highway, thereby increasing the service life of the highway.

[0043] Embodiment 2: This is the second embodiment of the present invention, including a grid mesh 2 embedded between the bottom layer 1 and the base layer 3.

[0044] A grid mesh 4 is embedded between the base layer 3 and the concrete layer 5 .

[0045] A grid mesh 3 6 is embedded between the concrete layer 5 and the pavement layer 8 , and the grid mesh 3 6 is located at the lower end of the heating component 7 .

[0046] From the above, it can be seen that by respectively providing grid mesh 1 2, grid mesh 2 4 and grid mesh 3 6 on the bottom layer 1, base layer 3, concrete layer 5 and pavement layer 8, the strength of the bottom layer 1, base layer 3 and concrete layer 5 can be improved, thereby further improving the strength of the highway.

[0047] Embodiment 3: The present invention provides a method for constructing a highway pavement, which specifically comprises the following steps:

[0048] S1: Construction of base layer 1: First, clean the surface of the base layer and compact the base layer 1 with a roller;

[0049] S2: Construction of base layer 3: Then, the grid mesh 2 is laid on the upper end of the base layer 1, and then coarse crushed stone, fine crushed stone and lime are laid on the base layer 1 and the upper end of the grid mesh 2 and compacted to form the base layer 3;

[0050] S3: Middle layer construction: Lay the second grid mesh 4 on the top of the base layer 3, and then lay concrete on the base layer 3 and the top of the second grid mesh 4 to form a concrete layer 5 after the concrete solidifies;

[0051] S4: Pavement construction: Then, lay the grille mesh 3 6 on the top of the concrete layer 5, and then install the support member 71 on the top of the grille mesh 3 6, and then install the support shell 72 equipped with the heating member 73 on the top of the support member 71, and then lay epoxy resin asphalt on the concrete layer 5, the grille mesh 3 6 and the heating component 7, and part of the epoxy resin asphalt is filled in the gap between the grille mesh 3 6 and the heating component 7, and the pavement layer 8 is formed after the epoxy resin asphalt solidifies.

[0052] When laying coarse crushed stone, fine crushed stone and lime in S2, the coarse crushed stone is laid first, and the coarse crushed stone is laid on the bottom layer 1 and the upper end of the grid mesh 2. The coarse crushed stone fills the gaps in the grid mesh 2. After the laying height of the coarse crushed stone is consistent with the height of the grid mesh 2, the fine crushed stone is laid, and the fine crushed stone fills the gaps between the coarse crushed stone. Then the lime is laid to fill the gaps between the coarse crushed stone and the fine crushed stone. After that, another layer of coarse crushed stone-fine crushed stone-lime is laid to reach the thickness set by the base layer 3.

[0053] In step S2, the coarse crushed stone, fine crushed stone and lime are laid in layers, and then each layer is compacted using a roller.

[0054] In S4, a welding process is used between the support member 71 and the grille mesh 3 6, and a welding process is used between the support shell 72 and the support member 71.

[0055] Before laying the epoxy resin asphalt in S4, the surfaces of the concrete layer 5, the grid mesh 3 6 and the heating component 7 are cleaned and treated.

[0056] As can be seen from the above, through the layered paving and compaction steps, combined with the reinforcing effects of the grid mesh 1 2, the grid mesh 2 4 and the grid mesh 3 6 and the heating function of the heating assembly 7, the stability and durability of the pavement structure are ensured. The paving of epoxy resin asphalt not only improves the flatness and waterproof performance of the pavement, but also enhances the integrity and crack resistance of the pavement. After this series of construction steps, the final highway pavement has excellent bearing capacity and service life, providing a strong guarantee for the safe driving of vehicles.

[0057] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

[0058] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0059] In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. "Multiple" means two or more, unless otherwise clearly and specifically defined.

[0060] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0062] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0063] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0064] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A highway pavement structure, characterized in that: include: Bottom layer (1); A base layer (3) is laid on the bottom layer (1), and a concrete layer (5) is laid on the base layer (3); A heating component (7) is arranged above the concrete layer (5), the heating component (7) is used to heat the road surface, the heating component (7) comprises a support member (71) arranged at the upper end of the concrete layer (5), a support shell (72) is arranged at the upper end of the support member (71), and a heating member (73) is installed inside the support shell (72); The pavement layer (8) is laid on the concrete layer (5) and the upper end of the heating component (7), and the pavement layer (8) is made of epoxy resin, asphalt, curing agent and quartz sand.

2. A highway pavement structure as claimed in claim 1, characterized in that: A grid mesh (2) is inlaid between the bottom layer (1) and the base layer (3).

3. A highway pavement structure as claimed in claim 1, characterized in that: The base layer (3) material is composed of coarse crushed stone, fine crushed stone and lime. The coarse crushed stone is used as the main material of the base layer (3), the fine crushed stone fills the gaps of the coarse crushed stone, and the lime fills the gaps between the coarse crushed stone and the fine crushed stone.

4. A highway pavement structure as claimed in claim 1, characterized in that: A second grid mesh (4) is embedded between the base layer (3) and the concrete layer (5).

5. A highway pavement structure as claimed in claim 1, characterized in that: A grid mesh three (6) is embedded between the concrete layer (5) and the road surface layer (8), and the grid mesh three (6) is located at the lower end of the heating component (7).

6. A highway pavement structure according to any one of claims 1 to 5, further comprising a highway pavement construction method, characterized in that: The specific steps include: S1: Construction of the base layer (1): First, clean the surface of the base layer and compact the base layer (1) using a roller; S2: Construction of base layer (3): Then, the grid mesh 1 (2) is laid on the upper end of the base layer (1), and then coarse crushed stone, fine crushed stone and lime are laid on the base layer (1) and the upper end of the grid mesh 1 (2) and compacted to form the base layer (3); S3: Middle layer construction: Lay the second grid mesh (4) on the upper end of the base layer (3), and then lay concrete on the base layer (3) and the upper end of the second grid mesh (4) to form a concrete layer (5) after the concrete solidifies; S4: Pavement construction: Then, a grid mesh three (6) is laid on the upper end of the concrete layer (5), and then a support member (71) is installed on the upper end of the grid mesh three (6). Then, a support shell (72) equipped with a heating member (73) is installed on the upper end of the support member (71). Then, epoxy resin asphalt is laid on the upper ends of the concrete layer (5), the grid mesh three (6) and the heating member (7). Part of the epoxy resin asphalt is filled in the gap between the grid mesh three (6) and the heating member 7. After the epoxy resin asphalt is solidified, a pavement layer (8) is formed.

7. A method for constructing a highway pavement as claimed in claim 6, characterized in that: When laying the coarse crushed stone, fine crushed stone and lime in S2, the coarse crushed stone is laid first, and the coarse crushed stone is laid on the bottom layer (1) and the upper end of the grid mesh (2) so that the coarse crushed stone fills the gaps of the grid mesh (2). After the laying height of the coarse crushed stone is consistent with the height of the grid mesh (2), the fine crushed stone is laid, and the fine crushed stone fills the gaps between the coarse crushed stone. Then, the lime is laid so that the lime fills the gaps between the coarse crushed stone and the fine crushed stone. After that, another layer of coarse crushed stone-fine crushed stone-lime is laid to reach the set thickness of the base layer (3).

8. A method for constructing a highway pavement as claimed in claim 6, characterized in that: In the step S2, the coarse crushed stone, fine crushed stone and lime are laid in layers, and then each layer is compacted using a roller.

9. A method for constructing a highway pavement as claimed in claim 6, characterized in that: In the S4, a welding process is used between the support member (71) and the grille mesh three (6), and a welding process is used between the support shell (72) and the support member (71).

10. A method for constructing a highway pavement as claimed in claim 6, characterized in that: Before laying the epoxy resin asphalt in S4, the surfaces of the concrete layer (5), the grid mesh three (6) and the heating component (7) are cleaned and treated.

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