CN220035096U - Staggered joint structure of cement concrete pavement - Google Patents
Staggered joint structure of cement concrete pavement Download PDFInfo
- Publication number
- CN220035096U CN220035096U CN202321568607.0U CN202321568607U CN220035096U CN 220035096 U CN220035096 U CN 220035096U CN 202321568607 U CN202321568607 U CN 202321568607U CN 220035096 U CN220035096 U CN 220035096U
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- Prior art keywords
- joint
- cement concrete
- wall
- base layer
- joint groove
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- 239000004568 cement Substances 0.000 title claims abstract description 53
- 239000004567 concrete Substances 0.000 title claims abstract description 53
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 239000004814 polyurethane Substances 0.000 claims description 10
- 239000011387 rubberized asphalt concrete Substances 0.000 claims description 10
- 206010023204 Joint dislocation Diseases 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 125000004122 cyclic group Chemical group 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a staggered joint structure of a cement concrete pavement, and relates to the technical field of road engineering. Comprising the following steps: the pavement base layer, cement concrete base layer, locate the outer wall top of pavement base layer, joint mechanism locates on the cement concrete base layer, joint mechanism includes first joint groove, second joint groove, third joint groove, fourth joint groove and joint filling part, and first joint groove sets up the outer wall top at cement concrete base layer, and the second joint groove sets up the inner wall bottom at first joint groove, and the third joint groove sets up the inner wall bottom at second joint groove, and the fourth joint groove sets up the inner wall bottom at third joint groove. This cement concrete road surface dislocation seam structure through seam mechanism, can increase the leakproofness of cement concrete road surface seam, avoids the water on road surface can get into the road bed along the gap in to reduce the intensity and the bearing capacity of road bed, cause the road surface to warp even damage under the cyclic load of vehicle.
Description
Technical Field
The utility model relates to the technical field of road engineering, in particular to a staggered joint structure of a cement concrete pavement.
Background
The cement concrete pavement is of a strip-shaped structure and is large in area, irregular cracks are necessarily generated on the cement concrete pavement due to the physical characteristics of thermal expansion and cold contraction of the cement concrete pavement, asphalt pavement joints are required to be arranged on the cement concrete pavement during construction in order to prevent the cement concrete pavement from being generated, the asphalt pavement joints comprise longitudinal joints and transverse joints, and the transverse joints generally adopt flat joints.
The joints of the cement concrete pavement are straight joints, the sealing waterproof performance is poor, and when the pavement is washed or in rainy season, water on the surface of the pavement can directly enter the roadbed along the joints, so that the strength and the bearing capacity of the roadbed are reduced.
Disclosure of Invention
The utility model provides a staggered joint structure of a cement concrete pavement, which can increase the sealing performance of the joint of the cement concrete pavement through a joint mechanism and prevent water on the surface of the pavement from entering a roadbed along a gap, thereby reducing the strength and bearing capacity of the roadbed and causing the pavement to deform or even damage under the cyclic load of a vehicle.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: a cement concrete pavement dislocated joint structure comprising:
a pavement base layer;
the cement concrete base layer is arranged on the top of the outer wall of the pavement base layer;
the joint mechanism is arranged on the cement concrete base layer and comprises a first joint slot, a second joint slot, a third joint slot, a fourth joint slot and a joint filling part, wherein the first joint slot is formed in the top of the outer wall of the cement concrete base layer, the second joint slot is formed in the bottom of the inner wall of the first joint slot, the third joint slot is formed in the bottom of the inner wall of the second joint slot, the fourth joint slot is formed in the bottom of the inner wall of the third joint slot, and the joint filling part is arranged in the first joint slot; and
the drainage frame is fixedly arranged at the bottom of the outer wall of the cement concrete base layer.
Further, the caulking part comprises an asphalt rubber caulking layer, a polyurethane tar caulking layer, a rubber caulking strip and a foam resin plate, wherein the asphalt rubber caulking layer is fixedly arranged on the inner wall of the first joint slot, the polyurethane tar caulking layer is fixedly arranged on the inner wall of the second joint slot, the rubber caulking strip is fixedly embedded on the inner wall of the third joint slot, and the foam resin plate is fixedly embedded on the inner wall of the fourth joint slot.
Further, the vertical section of the second joint slot is in an inverted trapezoid shape, and the vertical section of the rubber caulking strip is in a T shape.
Further, a plurality of protruding strips are fixedly arranged at the bottom of the outer wall of the rubber caulking strip, and each protruding strip is slidably embedded at the top of the outer wall of the foam resin plate.
Further, the outer wall top of drainage frame is fixed and is provided with two connecting plates, and every connecting plate is all fixed to inlay the outer wall bottom of locating cement concrete basic unit.
Further, the vertical section of the drainage frame is in an inverted trapezoid shape, and the drainage frame is fixedly embedded at the top of the outer wall of the pavement base layer.
The utility model provides a staggered joint structure of a cement concrete pavement. The beneficial effects are as follows: this cement concrete road surface dislocation seam structure through seam mechanism, can increase the leakproofness of cement concrete road surface seam, avoids the water on road surface can get into the road bed along the gap in to reduce the intensity and the bearing capacity of road bed, cause the road surface to warp even damage under the cyclic load of vehicle.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
fig. 3 is an enlarged schematic view of the present utility model at a in fig. 1:
fig. 4 is an enlarged schematic view of the present utility model at B in fig. 2.
In the figure: 1. a pavement base layer; 2. a cement concrete base layer; 3. a seaming mechanism; 301. a first joint slot; 302. a second joint slot; 303. a third joint slot; 304. a fourth joint slot; 305. asphalt rubber joint filling material layer; 306. a polyurethane tar joint filling material layer; 307. rubber caulking strips; 308. a foam resin plate; 4. a drain frame; 5. a protruding strip; 6. and (5) connecting a plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a cement concrete pavement dislocated joint structure comprising:
a road surface base layer 1;
the cement concrete base layer 2 is arranged on the top of the outer wall of the pavement base layer 1;
the joint mechanism 3 is arranged on the cement concrete base layer 2, the joint mechanism 3 comprises a first joint slot 301, a second joint slot 302, a third joint slot 303, a fourth joint slot 304 and a joint filling component, the first joint slot 301 is arranged at the top of the outer wall of the cement concrete base layer 2, the second joint slot 302 is arranged at the bottom of the inner wall of the first joint slot 301, the third joint slot 303 is arranged at the bottom of the inner wall of the second joint slot 302, the fourth joint slot 304 is arranged at the bottom of the inner wall of the third joint slot 303, and the joint filling component is arranged in the first joint slot 301; and
the drainage frame 4 is fixedly arranged at the bottom of the outer wall of the cement concrete base layer 2.
In this embodiment: the cement concrete base layer 2 is composed of a plurality of cement concrete slabs, through the joint mechanism 3, the sealing and the waterproof performance of the cement concrete pavement joint can be increased, the water on the road surface can be prevented from entering the roadbed along the gap, so that the strength and the bearing capacity of the roadbed are reduced, the pavement is deformed or even damaged under the cyclic load of a vehicle, the joint between each cement concrete slab is formed through the mutual communication among the interiors of the first joint groove 301, the second joint groove 302, the third joint groove 303 and the fourth joint groove 304, the first joint groove 301, the second joint groove 302, the third joint groove 303 and the fourth joint groove 304 are matched with the joint filling part, the sealing performance of the cement concrete pavement joint can be increased, and the water can be further prevented from entering the roadbed from the joint through the drainage frame 4.
Specifically, the caulking part includes an asphalt rubber caulking layer 305, a polyurethane tar caulking layer 306, a rubber caulking strip 307 and a foam resin plate 308, the asphalt rubber caulking layer 305 is fixedly disposed on the inner wall of the first joint groove 301, the polyurethane tar caulking layer 306 is fixedly disposed on the inner wall of the second joint groove 302, the rubber caulking strip 307 is fixedly disposed on the inner wall of the third joint groove 303, and the foam resin plate 308 is fixedly disposed on the inner wall of the fourth joint groove 304.
In this embodiment: through asphalt rubber joint filling layer 305, polyurethane tar joint filling layer 306, rubber joint filling strip 307 and foam resin plate 308, single joint filling material is avoided, and the cement concrete pavement is easy to generate cracks because the joint filling material cannot be suitable for different temperature environments.
Specifically, the second joint groove 302 has an inverted trapezoidal vertical section, and the rubber caulking strip 307 has a T-shaped vertical section.
In this embodiment: the third joint groove 303 has a T-shaped vertical cross section, and the third joint groove 303 and the second joint groove 302 having a reverse trapezoidal shape can be significantly layered, and the first joint groove 301, the second joint groove 302, the third joint groove 303, and the fourth joint groove 304 are placed therebetween, so that water can be prevented from penetrating.
Specifically, the outer wall bottom of the rubber caulking strip 307 is fixedly provided with a plurality of protruding strips 5, and each protruding strip 5 is slidably fitted to the outer wall top of the foam resin plate 308.
In this embodiment: the outer wall top of the foam resin plate 308 is provided with a plurality of grooves, and the grooves are embedded by the convex strips 5, so that the connection between the T-shaped rubber caulking strips 307 and the foam resin plate 308 can be increased, the tightness is improved, and water on the road surface is prevented from entering the roadbed along the gaps.
Specifically, the outer wall top of drainage frame 4 is fixed and is provided with two connecting plates 6, and every connecting plate 6 is all fixed to inlay the outer wall bottom of locating cement concrete basic unit 2.
In this embodiment: the connection plate 6 is fixed with the drainage frame 4 into a whole, and can strengthen the connection between the drainage frame 4 and the cement concrete base layer 2.
Specifically, the vertical section of the drainage frame 4 is in an inverted trapezoid shape, and the drainage frame 4 is fixedly embedded in the top of the outer wall of the pavement base layer 1.
In this embodiment: by the drainage frame 4, infiltration of water into the pavement base 1 through the joint can be prevented.
When the novel pavement base layer 1 is used, the joints formed by the first joint groove 301, the second joint groove 302, the third joint groove 303 and the fourth joint groove 304 are matched with the asphalt rubber joint sealing layer 305, the polyurethane tar joint sealing layer 306, the rubber joint sealing strips 307 and the foam resin plates 308, compared with straight joints, water seepage cannot directly go down, and the sealing performance of the joints of the cement concrete pavement can be improved through the distribution among the asphalt rubber joint sealing layer 305, the polyurethane tar joint sealing layer 306, the rubber joint sealing strips 307 and the foam resin plates 308, single joint sealing materials are avoided, the cement concrete pavement is prevented from generating cracks, and the lower water seepage can be further prevented from entering the pavement base layer 1 through the joints through the drainage frame 4.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. Cement concrete road surface dislocation seam structure, its characterized in that includes:
a road surface base layer (1);
the cement concrete base layer (2) is arranged at the top of the outer wall of the pavement base layer (1);
the joint mechanism (3) is arranged on the cement concrete base layer (2), the joint mechanism (3) comprises a first joint slot (301), a second joint slot (302), a third joint slot (303), a fourth joint slot (304) and a joint filling component, the first joint slot (301) is arranged at the top of the outer wall of the cement concrete base layer (2), the second joint slot (302) is arranged at the bottom of the inner wall of the first joint slot (301), the third joint slot (303) is arranged at the bottom of the inner wall of the second joint slot (302), the fourth joint slot (304) is arranged at the bottom of the inner wall of the third joint slot (303), and the joint filling component is arranged in the first joint slot (301); and
the drainage frame (4) is fixedly arranged at the bottom of the outer wall of the cement concrete base layer (2).
2. The cement concrete pavement dislocated joint structure of claim 1, wherein: the caulking part comprises an asphalt rubber caulking layer (305), a polyurethane tar caulking layer (306), a rubber caulking strip (307) and a foam resin plate (308), wherein the asphalt rubber caulking layer (305) is fixedly arranged on the inner wall of the first joint slot (301), the polyurethane tar caulking layer (306) is fixedly arranged on the inner wall of the second joint slot (302), the rubber caulking strip (307) is fixedly embedded on the inner wall of the third joint slot (303), and the foam resin plate (308) is fixedly embedded on the inner wall of the fourth joint slot (304).
3. The cement concrete pavement dislocated joint structure of claim 2, wherein: the vertical section of the second joint slot (302) is in an inverted trapezoid shape, and the vertical section of the rubber caulking strip (307) is in a T shape.
4. A cement concrete pavement dislocated joint structure as claimed in claim 3, characterised in that: the outer wall bottom of the rubber caulking strip (307) is fixedly provided with a plurality of protruding strips (5), and each protruding strip (5) is slidably embedded in the top of the outer wall of the foam resin plate (308).
5. The cement concrete pavement dislocated joint structure of claim 4, wherein: two connecting plates (6) are fixedly arranged at the top of the outer wall of the drainage frame (4), and each connecting plate (6) is fixedly embedded at the bottom of the outer wall of the cement concrete base layer (2).
6. The cement concrete pavement dislocated joint structure of claim 5, wherein: the vertical section of the drainage frame (4) is in an inverted trapezoid shape, and the drainage frame (4) is fixedly embedded at the top of the outer wall of the pavement base layer (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321568607.0U CN220035096U (en) | 2023-06-19 | 2023-06-19 | Staggered joint structure of cement concrete pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321568607.0U CN220035096U (en) | 2023-06-19 | 2023-06-19 | Staggered joint structure of cement concrete pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220035096U true CN220035096U (en) | 2023-11-17 |
Family
ID=88726523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321568607.0U Active CN220035096U (en) | 2023-06-19 | 2023-06-19 | Staggered joint structure of cement concrete pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220035096U (en) |
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2023
- 2023-06-19 CN CN202321568607.0U patent/CN220035096U/en active Active
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