Precast concrete pavement

Abstract

The utility model discloses a precast concrete pavement which comprises a pavement slab, slab steel bars and hanging bars, the pavement slab is in a cuboid shape, and slab steel bars are arranged in the pavement slab; the slab reinforcing steel bars comprise two layers of transverse slab reinforcing steel bars and two layers of longitudinal slab reinforcing steel bars, the two layers of transverse slab reinforcing steel bars are uniformly distributed in the pavement slab, and the two layers of longitudinal slab reinforcing steel bars are uniformly distributed in the pavement slab; the transverse plate reinforcing steel bars and the longitudinal plate reinforcing steel bars are vertically arranged; the hanging bar is arranged on the pavement slab surface and is used for hanging the pavement slab. The prefabricated concrete pavement has the beneficial effects that the prefabricated concrete pavement can be directly hoisted for use after being prefabricated in advance, can be directly replaced when being damaged, and can be repeatedly hoisted for use.

Description

Technical Field

[0001] The utility model relates to the field of concrete pavement, in particular to a prefabricated concrete pavement. Background Art

[0002] Since construction roads need to withstand the heavy load and rolling of muck trucks, they are generally cast on-site with a thickness of 10cm to 25cm. However, due to unreasonable configuration of plate reinforcement, insufficient protection of temporary roads at the construction site, or overload and long-term rolling of heavy-loaded vehicles, the road surface layer is easily cracked, affecting traffic. In addition, when the road surface is cast on-site, there is a problem of a large amount of construction waste caused by the demolition of the construction road after the project is completed. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a precast concrete pavement, which is precast in advance and can be directly hoisted for use, can be directly replaced when damaged, and can be repeatedly hoisted for use.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a precast concrete pavement, including a road panel, plate steel bars and hangers; the road panel is in a rectangular shape, and the plate steel bars are arranged inside the road panel; the plate steel bars include transverse plate steel bars and longitudinal plate steel bars, the transverse plate steel bars are arranged in two layers and are evenly distributed inside the road panel, and the longitudinal plate steel bars are also arranged in two layers and are evenly distributed inside the road panel; the transverse plate steel bars are vertically arranged with the longitudinal plate steel bars; the hangers are arranged on the road panel surface and are used to lift the road panel.

[0005] In the above structure, grooves are provided at both ends of the road panel, and the grooves are used to connect road panels of different sections.

[0006] In the above structure, the precast concrete pavement further comprises a connecting plate, which is arranged in a groove of the road panel to connect road panels of different sections.

[0007] In the above structure, the precast concrete pavement further includes angle irons, which are arranged around the road panel to prevent the road panel from being damaged.

[0008] In the above structure, the number of transverse plate steel bars in each layer is 10-16, and the length of the transverse plate steel bars is 1950 mm and the diameter is 10 mm.

[0009] In the above structure, the number of longitudinal plate steel bars in each layer is 10-16, and the length of the longitudinal plate steel bars is 3950 mm and the diameter is 10 mm.

[0010] In the above structure, the shape of the suspension rod is U-shaped, and the diameter of the suspension rod is 20 mm.

[0011] In the above structure, the concrete strength of the road slab is C30.

[0012] The beneficial effects of the utility model are as follows: the prefabricated concrete pavement can be directly hoisted and used after being prefabricated in advance, can be directly replaced when damaged, and can be repeatedly hoisted and used. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a structural schematic diagram of a prefabricated concrete pavement.

[0014] Figure 2 The utility model is a structural schematic diagram of a prefabricated concrete pavement.

[0015] Figure 3 The utility model is a structural schematic diagram of a prefabricated concrete pavement. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0017] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0018] Embodiment 1

[0019] Reference Figures 1 to 3 As shown, the utility model discloses a prefabricated concrete pavement, specifically, including a pavement panel 10, a plate reinforcement 20 and a hanger 30. The pavement panel 10 is made of concrete, the strength of the concrete is C30, and is prefabricated in advance. When needed, the pavement panel 10 can be directly installed on the roadbed. The pavement panel 10 is in a rectangular shape, and the prefabricated concrete pavement can be directly installed and used.

[0020] Plate steel bars 20 are arranged inside the road panel 10. The plate steel bars 20 include transverse plate steel bars 201 and longitudinal plate steel bars 202. The longitudinal plate steel bars 202 are arranged in two layers inside the road panel 10. The longitudinal plate steel bars 202 of the first layer are arranged in parallel with each other inside the road panel 10. The longitudinal plate steel bars 202 of the second layer are also arranged in parallel with each other inside the road panel 10. The two layers of longitudinal plate steel bars 202 are evenly distributed inside the road panel 20, which can make the structure of the road panel 20 more stable. In this embodiment, 10 longitudinal plate steel bars 202 of the first layer and the second layer are respectively arranged, with a length of 3950 mm. 10 transverse plate steel bars 201 of the first layer and the second layer are also respectively arranged, with a length of 1950 mm. The diameters of the transverse plate steel bars 201 and the longitudinal plate steel bars 202 are 10 mm.

[0021] Reference Figure 2 As shown, the transverse plate reinforcement 201 is also arranged in two layers, wherein the first layer of transverse plate reinforcement 201 is vertically arranged between the first layer of longitudinal plate reinforcement 202, and the second layer of transverse plate reinforcement 201 is also vertically arranged between the second layer of longitudinal plate reinforcement 202. The pavement structure thus arranged is very stable.

[0022] Hanging rods 30 are arranged around the road panel 20. The hanging rods 30 are U-shaped and are cast at the same time as the plate reinforcement 20. The top of the hanging rod 30 is flush with the road panel 20. A groove is arranged around the hanging rod 30, and the groove allows the sling to pass through, so as to facilitate the lifting of the road panel 20. Hanging point reinforcement steel bars are also arranged around the hanging rod 30. The hanging point reinforcement steel bars are arranged around the hanging rod 30 to disperse the concrete stress of the straight section of the hanging rod. In this embodiment, the diameter of the hanging rod 30 is 20 mm, and the model is HRB300.

[0023] Grooves 203 are also provided at both ends of the road panel 20, and the grooves 203 are used to connect different sections of road panels 20. The road panels 203 can be connected by setting a connecting steel plate 204 between two sections of road panels 203, and then fixing the connecting steel plate 203 between the two sections of road panels 203 with bolts.

[0024] In this solution, angle irons are provided around the road panel 20, and the angle irons are welded and fixed to the steel bars inside the road panel 20 to prevent the road panel 20 from being damaged during lifting and use.

[0025] Embodiment 2

[0026] Reference Figures 1 to 3As shown, the utility model discloses a prefabricated concrete pavement, specifically, including a pavement panel 10, a plate reinforcement 20 and a hanger 30. The pavement panel 10 is made of concrete, the strength of the concrete is C30, and is prefabricated in advance. When needed, the pavement panel 10 can be directly installed on the roadbed. The pavement panel 10 is in a rectangular shape, and the prefabricated concrete pavement can be directly installed and used.

[0027] Plate steel bars 20 are arranged inside the road panel 10. The plate steel bars 20 include transverse plate steel bars 201 and longitudinal plate steel bars 202. The longitudinal plate steel bars 202 are arranged in two layers inside the road panel 10. The longitudinal plate steel bars 202 of the first layer are arranged in parallel with each other inside the road panel 10. The longitudinal plate steel bars 202 of the second layer are also arranged in parallel with each other inside the road panel 10. The two layers of longitudinal plate steel bars 202 are evenly distributed inside the road panel 20, which can make the structure of the road panel 20 more stable. In this embodiment, 12 longitudinal plate steel bars 202 of the first layer and the second layer are respectively arranged, with a length of 3950 mm. 12 transverse plate steel bars 201 of the first layer and the second layer are also respectively arranged, with a length of 1950 mm. The diameters of the transverse plate steel bars 201 and the longitudinal plate steel bars 202 are 10 mm.

[0028] Reference Figure 2 As shown, the transverse plate reinforcement 201 is also arranged in two layers, wherein the first layer of transverse plate reinforcement 201 is vertically arranged between the first layer of longitudinal plate reinforcement 202, and the second layer of transverse plate reinforcement 201 is also vertically arranged between the second layer of longitudinal plate reinforcement 202. The pavement structure thus arranged is very stable.

[0029] Hanging rods 30 are arranged around the road panel 20. The hanging rods 30 are U-shaped and are cast at the same time as the plate reinforcement 20. The top of the hanging rod 30 is flush with the road panel 20. A groove is arranged around the hanging rod 30, and the groove allows the sling to pass through, so as to facilitate the lifting of the road panel 20. Hanging point reinforcement steel bars are also arranged around the hanging rod 30. The hanging point reinforcement steel bars are arranged around the hanging rod 30 to disperse the concrete stress of the straight section of the hanging rod. In this embodiment, the diameter of the hanging rod 30 is 20 mm, and the model is HRB300.

[0030] Grooves 203 are also provided at both ends of the road panel 20, and the grooves 203 are used to connect different sections of road panels 20. The road panels 203 can be connected by setting a connecting steel plate 204 between two sections of road panels 203, and then fixing the connecting steel plate 203 between the two sections of road panels 203 with bolts.

[0031] In this solution, angle irons are provided around the road panel 20, and the angle irons are welded and fixed to the steel bars inside the road panel 20 to prevent the road panel 20 from being damaged during lifting and use.

[0032] Embodiment 3

[0033] Reference Figures 1 to 3 As shown, the utility model discloses a prefabricated concrete pavement, specifically, including a pavement panel 10, a plate reinforcement 20 and a hanger 30. The pavement panel 10 is made of concrete, the strength of the concrete is C30, and is prefabricated in advance. When needed, the pavement panel 10 can be directly installed on the roadbed. The pavement panel 10 is in a rectangular shape, and the prefabricated concrete pavement can be directly installed and used.

[0034] Plate steel bars 20 are arranged inside the road panel 10. The plate steel bars 20 include transverse plate steel bars 201 and longitudinal plate steel bars 202. The longitudinal plate steel bars 202 are arranged in two layers inside the road panel 10. The longitudinal plate steel bars 202 of the first layer are arranged in parallel with each other inside the road panel 10. The longitudinal plate steel bars 202 of the second layer are also arranged in parallel with each other inside the road panel 10. The two layers of longitudinal plate steel bars 202 are evenly distributed inside the road panel 20, which can make the structure of the road panel 20 more stable. In this embodiment, 14 longitudinal plate steel bars 202 of the first layer and the second layer are respectively arranged, with a length of 3950 mm. 14 transverse plate steel bars 201 of the first layer and the second layer are also respectively arranged, with a length of 1950 mm. The diameters of the transverse plate steel bars 201 and the longitudinal plate steel bars 202 are 10 mm.

[0035] Reference Figure 2 As shown, the transverse plate reinforcement 201 is also arranged in two layers, wherein the first layer of transverse plate reinforcement 201 is vertically arranged between the first layer of longitudinal plate reinforcement 202, and the second layer of transverse plate reinforcement 201 is also vertically arranged between the second layer of longitudinal plate reinforcement 202. The pavement structure thus arranged is very stable.

[0036] Hanging rods 30 are arranged around the road panel 20. The hanging rods 30 are U-shaped and are cast at the same time as the plate reinforcement 20. The top of the hanging rod 30 is flush with the road panel 20. A groove is arranged around the hanging rod 30, and the groove allows the sling to pass through, so as to facilitate the lifting of the road panel 20. Hanging point reinforcement steel bars are also arranged around the hanging rod 30. The hanging point reinforcement steel bars are arranged around the hanging rod 30 to disperse the concrete stress of the straight section of the hanging rod. In this embodiment, the diameter of the hanging rod 30 is 20 mm, and the model is HRB300.

[0037] Grooves 203 are also provided at both ends of the road panel 20, and the grooves 203 are used to connect different sections of road panels 20. The road panels 203 can be connected by setting a connecting steel plate 204 between two sections of road panels 203, and then fixing the connecting steel plate 203 between the two sections of road panels 203 with bolts.

[0038] In this solution, angle irons are provided around the road panel 20, and the angle irons are welded and fixed to the steel bars inside the road panel 20 to prevent the road panel 20 from being damaged during lifting and use.

[0039] Embodiment 4

[0040] Reference Figures 1 to 3 As shown, the utility model discloses a prefabricated concrete pavement, specifically, including a pavement panel 10, a plate reinforcement 20 and a hanger 30. The pavement panel 10 is made of concrete, the strength of the concrete is C30, and is prefabricated in advance. When needed, the pavement panel 10 can be directly installed on the roadbed. The pavement panel 10 is in a rectangular shape, and the prefabricated concrete pavement can be directly installed and used.

[0041] Plate steel bars 20 are arranged inside the road panel 10. The plate steel bars 20 include transverse plate steel bars 201 and longitudinal plate steel bars 202. The longitudinal plate steel bars 202 are arranged in two layers inside the road panel 10. The longitudinal plate steel bars 202 of the first layer are arranged in parallel with each other inside the road panel 10. The longitudinal plate steel bars 202 of the second layer are also arranged in parallel with each other inside the road panel 10. The two layers of longitudinal plate steel bars 202 are evenly distributed inside the road panel 20, which can make the structure of the road panel 20 more stable. In this embodiment, 16 longitudinal plate steel bars 202 of the first layer and the second layer are arranged respectively, with a length of 3950 mm. 16 transverse plate steel bars 201 of the first layer and the second layer are also arranged respectively, with a length of 1950 mm. The diameters of the transverse plate steel bars 201 and the longitudinal plate steel bars 202 are 10 mm.

[0042] Reference Figure 2 As shown, the transverse plate reinforcement 201 is also arranged in two layers, wherein the first layer of transverse plate reinforcement 201 is vertically arranged between the first layer of longitudinal plate reinforcement 202, and the second layer of transverse plate reinforcement 201 is also vertically arranged between the second layer of longitudinal plate reinforcement 202. The pavement structure thus arranged is very stable.

[0043] Hanging rods 30 are arranged around the road panel 20. The hanging rods 30 are U-shaped and are cast at the same time as the plate reinforcement 20. The top of the hanging rod 30 is flush with the road panel 20. A groove is arranged around the hanging rod 30, and the groove allows the sling to pass through, so as to facilitate the lifting of the road panel 20. Hanging point reinforcement steel bars are also arranged around the hanging rod 30. The hanging point reinforcement steel bars are arranged around the hanging rod 30 to disperse the concrete stress of the straight section of the hanging rod. In this embodiment, the diameter of the hanging rod 30 is 20 mm, and the model is HRB300.

[0044] Grooves 203 are also provided at both ends of the road panel 20, and the grooves 203 are used to connect different sections of road panels 20. The road panels 203 can be connected by setting a connecting steel plate 204 between two sections of road panels 203, and then fixing the connecting steel plate 203 between the two sections of road panels 203 with bolts.

[0045] In this solution, angle irons are provided around the road panel 20, and the angle irons are welded and fixed to the steel bars inside the road panel 20 to prevent the road panel 20 from being damaged during lifting and use.

[0046] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A precast concrete pavement, characterized in that: Including road slab, plate reinforcement and hanger bars; The road panel is in a rectangular shape, and plate steel bars are arranged inside the road panel; the plate steel bars include transverse plate steel bars and longitudinal plate steel bars, the transverse plate steel bars are arranged in two layers and are evenly distributed inside the road panel, and the longitudinal plate steel bars are also arranged in two layers and are evenly distributed inside the road panel; The transverse plate reinforcement is arranged vertically between the longitudinal plate reinforcement; The hanging bars are arranged on the road panel surface and are used to hang up the road panel.

2. A precast concrete pavement according to claim 1, characterized in that: Both ends of the road panel are provided with grooves, and the grooves are used to connect road panels of different sections.

3. A precast concrete pavement according to claim 2, characterized in that: The precast concrete pavement further comprises a connecting plate, which is arranged in a groove of the pavement panel to connect pavement panels of different sections.

4. The precast concrete pavement according to claim 1, characterized in that: The precast concrete pavement further comprises angle irons, which are arranged around the road panel to prevent the road panel from being damaged.

5. The precast concrete pavement according to claim 1, characterized in that: The number of the transverse plate steel bars in each layer is 10-16, and the length of the transverse plate steel bars is 1950 mm and the diameter is 10 mm.

6. The precast concrete pavement according to claim 1, characterized in that: The number of the longitudinal plate steel bars in each layer is 10-16, and the length of the longitudinal plate steel bars is 3950 mm and the diameter is 10 mm.

7. The precast concrete pavement according to claim 1, characterized in that: The shape of the suspension rod is U-shaped, and the diameter of the suspension rod is 20 mm.

8. The precast concrete pavement according to claim 1, characterized in that: The concrete strength of the road slab is C30.

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