A temporary pavement panel unit and pavement panel

Abstract

The application relates to a temporary road panel unit and a road panel, which comprises, from top to bottom, a road surface layer, a structure layer and a grid layer; the road surface layer comprises a baffle arranged on the upper surface edge of the structure layer, a plurality of baffles form a frame, and a surface layer is arranged in the frame; the structure layer comprises upper panels and lower panels which are arranged in parallel, and a core material with a cavity is arranged between the upper panels and the lower panels; and the grid layer is composed of a plurality of grid bars which are arranged in cross. The road panel unit and the road panel have high bearing capacity, light weight, and ensure the safe and smooth passing of vehicles.

Description

TECHNICAL FIELD

[0001] The present application relates to the road engineering technical field, specifically relates to a kind of temporary road panel unit and road panel. BACKGROUND

[0002] The statements herein are provided only to aid in the understanding of the present application, and are not necessarily intended to constitute prior art.

[0003] The smoothness of road is an important basic condition to ensure the smooth development of engineering, especially in emergency and adverse environmental conditions, often need to repair road on poor subgrade to ensure the passage of military vehicles and troops, and temporary road panel is a kind of building road component often used in road repair.

[0004] The commonly used temporary road panel currently has steel road panel and other metal series, which has high one-time investment, can be recycled, but the weight is relatively heavy, inconvenient to carry, and the deformation degree is poor;There are also PP or PE road panels and other non-metal series, which are light in weight, can be recycled, but the load is low. These road panels are also found in use, first, the friction between the vehicle tire and the road panel is small, especially in rainy and snowy weather, which is more slippery, which is extremely easy to bring danger to pedestrians and vehicles on the road;Second, the road panel has poor grip, and the road panel is displaced after repeated rolling of the vehicle. SUMMARY

[0005] In view of the deficiencies existing in the prior art, the purpose of the present application is to provide a kind of temporary road panel unit and road panel, solve the problems of current temporary road panel, such as small friction coefficient, small grip, heavy steel plate, low load bearing of light plastic formwork.

[0006] In order to achieve the above-mentioned purpose, the present application is realized by the following technical scheme:

[0007] In the first aspect, the embodiments of the present application provide a kind of temporary road panel unit, including road surface layer, structure layer and grid layer arranged from top to bottom;

[0008] The road surface layer includes a baffle arranged on the edge of the upper surface of the structure layer, and a plurality of baffles form a frame, and a surface layer is arranged in the frame;

[0009] The structure layer includes upper panel and lower panel arranged in parallel, and the core material with cavity is arranged between the upper panel and the lower panel;

[0010] The grid layer is composed of a plurality of intersecting grid bars.

[0011] Optionally, the surface layer is paved with asphalt or polyurethane.

[0012] Optionally, the baffle on the edge of the upper surface of the structure layer is inclined to the inside direction.

[0013] Optionally, the upper panel and the lower panel are made of aluminum alloy material or fiber reinforced composite material.

[0014] Optionally, the core material is made of aluminum honeycomb or fiber reinforced composite material plate.

[0015] Optionally, a plurality of reinforcing ribs are further arranged between the upper panel and the lower panel.

[0016] Optionally, the grid bars of the grid layer are made of aluminum alloy or fiber reinforced composite material.

[0017] Optionally, the edges of the structural layer and the edges of the grid layer are staggered to form a lap joint structure between adjacent temporary pavement panel structures.

[0018] Optionally, the outermost grid bars of the grid layer are provided with a plurality of fixing holes, and adjacent temporary pavement panel structures can be fixed through the fixing holes and threaded fasteners or connecting rings.

[0019] In a second aspect, embodiments of the present application provide a temporary pavement panel assembled by a plurality of temporary pavement panel units of the first aspect.

[0020] The beneficial effects of the present application are as follows:

[0021] 1. The temporary pavement panel unit and the pavement panel have a grid layer, which can effectively increase the grip of the pavement panel and prevent the pavement panel from shifting, and a structural layer including an upper panel, a lower panel and a core material with a cavity in the middle, which has the characteristics of light weight, not easy to deform and crack, and bending stiffness similar to that of a solid plate of the same material and thickness. The combination of the grid layer and the structural layer has the characteristics of low weight, high strength and high bearing capacity, and is convenient and fast to transport and construct, and can be widely used in various ground conditions, different sites and temporary pavements, and meets the passing of wheeled vehicles and other heavy vehicles.

[0022] 2. The temporary pavement panel unit and the pavement panel have a surface layer made of asphalt or polyurethane, which has a large coefficient of friction and can increase the adhesion between the pavement panel and the vehicle, ensuring the safe passing of the vehicle.

[0023] 3. The temporary pavement panel unit and the pavement panel have a baffle inclined towards the inner side, which can effectively prevent the pavement layer from shifting after delamination.

[0024] 4. The temporary pavement panel unit and the pavement panel have a structural layer and a grid layer with staggered edges to form a lap joint structure, or the outermost grid bars of the grid layer are provided with fixing holes, so that adjacent pavement panel units can be connected in a lap joint manner or connected by bolts and connecting rings, which is convenient and fast to construct. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0026] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present invention;

[0027] Figure 2 This is a side view schematic diagram of the overall structure of Example 1 of the present invention;

[0028] Figure 3 is a top view of the grid layer in Example 1 of the present invention;

[0029] Figure 4 This is a schematic diagram of the overall structure of Example 2 of the present invention;

[0030] Figure 5 This is a schematic side view of the overall structure of Example 2 of the present invention;

[0031] Figure 6 This is a schematic diagram of an elliptical ring connection used in Example 2 of the present invention;

[0032] Figure 7 This is a schematic diagram of an S-shaped ring connection used in Example 2 of the present invention;

[0033] Among them, 1. frame, 2. surface layer, 3. upper panel, 4. lower panel, 5. core material, 6. mesh layer, 7. overlap structure, 8. connecting ring. DETAILED DESCRIPTION

[0034] Example 1

[0035] This embodiment provides a temporary road panel unit, such as Figure 1-Figure 2 As shown, it includes a pavement layer, a structural layer and a grid layer arranged in sequence from top to bottom.

[0036] The pavement layer is used to bear tensile and compressive stresses, and includes a frame 1, in which a surface layer 2 is arranged. In this embodiment, baffles are arranged at the edge of the upper surface of the structural layer, and multiple baffles together enclose the frame 1, and the internal space of all baffles is provided with a surface layer.

[0037] The baffle is made of an aluminum alloy plate, and the bottom end thereof is welded or bonded to the upper surface of the structural layer.

[0038] The surface layer 2 is paved with asphalt or polyurethane, and has a large surface friction coefficient, which increases the adhesion between the road panel and the vehicle, avoids the vehicle from slipping, and ensures the safe passage of the vehicle.

[0039] In the embodiment, the baffle is inclined towards the inner side of the frame, so that the top area of the internal space of the frame is smaller than the bottom area. In this way, the phenomenon of the surface layer 2 being displaced after delamination can be effectively avoided.

[0040] Preferably, the two oppositely arranged baffles distributed along the width direction of the temporary pavement panel unit are inclined towards the inner side of the frame.

[0041] The structural layer comprises the upper panel 3 and the lower panel 4 arranged in parallel, and the pavement layer is arranged on the upper surface of the upper panel 3. The core material 5 with a plurality of cavities is arranged between the upper panel 3 and the lower panel 4.

[0042] In the embodiment, the upper panel 3 and the lower panel 4 are made of aluminum alloy plates. In other embodiments, the upper panel 3 and the lower panel 4 are made of existing fiber-reinforced composite materials. In the fiber-reinforced composite material, the reinforcing material is one or more of carbon fibers or high-strength glass fibers or basalt fibers combined in a set ratio. The resin matrix of the fiber-reinforced composite material is a thermoplastic matrix or a thermosetting resin material. The reinforcing material and the resin matrix can be combined in a set ratio according to actual needs. The skilled person can set the combination according to actual needs, which will not be described in detail here.

[0043] The core material 5 is arranged between the upper panel 3 and the lower panel 4. In the embodiment, the core material 5 is an aluminum honeycomb with a plurality of cavities. In another embodiment, the core material 5 is a glass steel honeycomb with a plurality of cavities.

[0044] In the embodiment, the structural layer has the characteristics of light weight, difficulty in deformation and cracking, and bending stiffness similar to that of a solid metal plate of the same thickness, because the core material 5 has a plurality of cavities. The upper panel 3 and the lower panel 4 mainly bear the in-plane tensile and compressive stress and the in-plane shear stress caused by the bending moment. The core material 5 mainly bears the shear stress generated by the transverse force and plays a supporting and load transferring role.

[0045] The core material 5 is connected to the upper panel 3 and the lower panel 4 by bonding, welding or fusion welding to form an integral whole.

[0046] In the embodiment, if the temporary pavement panel is applied to a higher load condition, a plurality of reinforcing ribs made of aluminum alloy are arranged between the upper panel 3 and the lower panel 4. The reinforcing ribs are fixed to the upper panel 3 and the lower panel 4 by welding, bonding or fusion welding, thereby improving the overall rigidity of the core material 5 and enhancing the supporting force of the pavement panel. In other embodiments, the reinforcing ribs can be made of fiber-reinforced composite material, and the material of the reinforcing ribs is the same as that of the upper panel and the lower panel.

[0047] As shown in FIG. 1, the temporary pavement panel comprises a frame 1 and a structural layer arranged in the frame 1. Figure 3As shown, the grid layer 6 is formed by a plurality of grid bars arranged crosswise. Preferably, the grid layer 6 includes a plurality of longitudinal grid bars and a plurality of transverse grid bars, and the longitudinal grid bars and the transverse grid bars are crosswise and vertically fixed to form a grid structure.

[0048] The mesh layer 6 can effectively increase the grip of the road panel and prevent the road panel from shifting.

[0049] In this embodiment, the longitudinal grille bars and the transverse grille bars are made of aluminum alloy. In some other embodiments, the longitudinal grille bars and the transverse grille bars are made of fiber-reinforced composite materials, wherein the reinforcing material in the fiber-reinforced composite material is one or more of carbon fiber, high-strength glass fiber, basalt fiber, etc. mixed and reinforced according to a set ratio, and the resin matrix can be a thermoplastic matrix or a thermosetting resin material. The reinforcing material and the resin matrix can be combined according to the set ratio according to actual needs. Those skilled in the art can set it according to actual needs, and it will not be described in detail here.

[0050] The road panel unit of this embodiment has a mesh layer 6, which can effectively increase the grip of the road panel and prevent the road panel from shifting. At the same time, it has a structural layer, which includes an upper panel 3, a lower panel 4 and a core material 5 with a cavity in the middle. It has the characteristics of light weight, not easy to deform and crack, and bending stiffness similar to that of a solid metal plate of the same thickness. The combination of the mesh layer 6 and the structural layer has the characteristics of low weight while ensuring high strength and high load-bearing capacity. It is convenient and quick to transport and construct, and can be widely used in different sites and temporary roads under various conditions to meet the passage of wheeled vehicles and other heavy-loaded vehicles.

[0051] The corresponding edges of the structural layer and the pavement layer are arranged flush, and the edge of the structural layer is staggered with the edge of the grid layer 6 to form an overlapping structure 7 of adjacent road panel units. The edges of the structural layer and the grid layer 6 of the road panel unit are staggered by a set distance along the length direction and the width direction to form an overlapping structure 7 that overlaps with the surrounding road panel units.

[0052] Example 2

[0053] This embodiment provides a temporary road panel unit, such as Figure 4-Figure 5 As shown, compared with Example 1, the only difference is that the corresponding edges of the pavement layer, structural layer and grid layer 6 are flush, and in the grid layer 6, multiple grille bars located on the outermost side are provided with multiple fixing holes, and adjacent road panel units are fixed through the fixing holes on the grille bars with bolts, nuts or connecting rings 8.

[0054] When bolts and nuts are used for fixing, the rod of the bolt passes through the fixing holes corresponding to the two adjacent temporary road panel units, and then the fixing nut is tightened to fix the two adjacent temporary road panel units.

[0055] like Figure 6-Figure 7 As shown, the connecting ring 8 is an elliptical ring or an S-shaped ring that passes through the corresponding fixing holes of two adjacent road panel units.

[0056] Adjacent temporary road panel units are connected in this way, which can alleviate the stress concentration caused by the misalignment of adjacent road panels when vehicles pass through to a certain extent, thereby increasing the service life of the road panels.

[0057] Example 3

[0058] This embodiment provides a temporary road panel, comprising a plurality of temporary road panel units described in Embodiment 1, wherein adjacent road panel units are overlapped and connected via an overlap structure.

[0059] Example 4:

[0060] This embodiment provides a temporary road panel, comprising a plurality of temporary road panel units described in Embodiment 2, wherein adjacent road panel units are fixed via fixing holes of grid bars and bolts and nuts or via fixing holes and connecting rings.

[0061] The temporary road panels described in Examples 3 and 4 are laid at the construction site by overlapping or connecting with bolts or connecting rings. The length and width can be arbitrarily combined according to the laying requirements, and the construction is convenient and fast.

[0062] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A temporary road panel unit, characterized in that: It includes a pavement layer, a structural layer and a grid layer arranged in order from top to bottom; The pavement layer includes a baffle provided on the edge of the upper surface of the structural layer, a plurality of baffles forming a frame, and a surface layer provided within the frame; the baffles on the edge of the upper surface of the structural layer are inclined toward the inner side of the frame; The structural layer comprises an upper panel and a lower panel arranged in parallel, and a core material with a cavity is provided between the upper panel and the lower panel; The grid layer is composed of a plurality of cross-arranged grid bars.

2. A temporary road panel unit according to claim 1, characterized in that: The surface layer is paved with asphalt or polyurethane.

3. A temporary road panel unit according to claim 1, characterized in that: The upper panel and the lower panel are made of aluminum alloy material or fiber reinforced composite material.

4. A temporary road panel unit according to claim 1, characterized in that: The core material is made of aluminum honeycomb or fiber reinforced composite material plate.

5. A temporary road panel unit according to claim 1, characterized in that: A plurality of reinforcing ribs are further provided between the upper panel and the lower panel.

6. A temporary road panel unit according to claim 1, characterized in that: The grid bars of the grid layer are made of aluminum alloy or fiber-reinforced composite material.

7. A temporary road panel unit according to claim 1, characterized in that: The edges of the structural layer and the edges of the grid layer are staggered to form overlapping structures between adjacent temporary road slab structures.

8. A temporary road panel unit according to claim 1, characterized in that: The grid bars located at the outermost side of the grid layer are provided with a plurality of fixing holes, and adjacent temporary road panel structures can be fixed through the fixing holes and threaded fasteners or connecting rings.

9. A temporary road panel, characterized in that: It is assembled from a plurality of temporary road panel units according to any one of claims 1 to 8.

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