CN219824779U - Cement concrete pavement structure - Google Patents
Cement concrete pavement structure Download PDFInfo
- Publication number
- CN219824779U CN219824779U CN202321268645.4U CN202321268645U CN219824779U CN 219824779 U CN219824779 U CN 219824779U CN 202321268645 U CN202321268645 U CN 202321268645U CN 219824779 U CN219824779 U CN 219824779U
- Authority
- CN
- China
- Prior art keywords
- layer
- cement
- concrete
- concrete layer
- roadbed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 78
- 239000004568 cement Substances 0.000 title claims abstract description 56
- 239000002689 soil Substances 0.000 claims abstract description 15
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 3
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 3
- 239000004571 lime Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 77
- 239000004576 sand Substances 0.000 description 9
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to the technical field of civil engineering, in particular to a cement concrete pavement structure, which comprises the following technical scheme: vertical reinforcing bar body and three-in-one soil layer, three-in-one soil layer upper surface is equipped with the cement and stabilizes the rubble layer, cement stabilizes the rubble layer upper surface and is equipped with the road bed concrete layer, there is the reinforcing bar net in the road bed concrete layer through vertically and horizontally to reinforcing bar body ligature, road bed concrete layer upper surface is equipped with asphalt concrete layer. The utility model solves the problem that the road surface cracks under the condition of thermal barrier and cold shrinkage caused by excessive road pinching rigid structures.
Description
Technical Field
The utility model relates to the technical field of civil engineering, in particular to a cement concrete pavement structure.
Background
The cement concrete pavement is a pavement with cement concrete as a main material serving as a surface layer, and is called as a concrete pavement for short. Also known as a rigid road surface, commonly known as a white road surface, is an advanced road surface. Cement concrete pavement includes plain concrete, reinforced concrete, continuous reinforced concrete, prestressed concrete and other various pavement.
Chinese utility model patent: the publication number is CN209128833U, discloses a cement concrete pavement structure, which comprises a machine sand cement concrete layer, a mixed sand cement concrete layer and a river sand cement concrete layer, wherein the machine sand cement concrete layer, the mixed sand cement concrete layer and the river sand cement concrete layer are paved on the pavement base layer in sequence.
In the prior art, when the CN209128833U is used, compared with the traditional river sand cement concrete pavement, the construction cost can be reduced, the damage to the ecological environment is reduced, the defect of poor wear-resistant surface layer of the machine-made sand cement concrete pavement is overcome, and the machine-made sand cement concrete pavement has good layer wear resistance, bearing capacity and anti-deformation capacity. However, the road surface is easy to deform due to excessive rigid structures under the condition of thermal barrier shrinkage, and the road surface becomes uneven, and serious even cracks occur to seriously influence the use and driving safety of the road, so that a cement concrete road surface structure is needed to solve the problems.
Disclosure of Invention
The utility model aims to provide a cement concrete pavement structure, which has the advantages of improving the toughness of a road and reducing cracking, and solves the problem that the pavement cracks under the condition of thermal barrier and cold shrinkage due to excessive road pinching rigid structures.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cement concrete pavement structure, includes vertical reinforcing bar body and three-in-one soil layer, three-in-one soil layer upper surface is equipped with cement and stabilizes the rubble layer, cement stabilizes the rubble layer upper surface and is equipped with road bed concrete layer, there is the reinforcing bar net through vertically and horizontally reinforcing bar body ligature in the road bed concrete layer, road bed concrete layer upper surface is equipped with asphalt concrete layer.
When the cement concrete pavement structure in the technical scheme is used, the paving of the three-dimensional soil layer is carried out on the processed roadbed, the paving of the cement stabilized gravel layer is carried out on the three-dimensional soil layer, the embedding of the vertical reinforcing steel bar body is carried out on the cement stabilized gravel layer after the curing is expired, the binding of the reinforcing steel bar net is carried out on the reinforcing steel bar body in the longitudinal and transverse direction, the pouring of the roadbed concrete layer is carried out on the cement stabilized gravel layer, the paving of the asphalt concrete layer is carried out after the curing is expired after the pouring of the roadbed concrete layer is completed, the cutting of the expansion joint is carried out after the paving of the asphalt concrete layer is completed, and the asphalt filling is carried out in the expansion joint.
Preferably, the ratio of lime to loess in the three layers is 3:7.
preferably, the mass of cement in the cement stabilized macadam layer is 5% of the appropriate amount of aggregate.
Preferably, the strength grade of concrete adopted by the roadbed concrete layer is C25, the strength grade of cement adopted by the roadbed concrete layer is 32.5/42.5, the stone type adopted by the roadbed concrete layer is broken stone, and the preparation strength adopted by the roadbed concrete layer is 33.1MPa.
Preferably, the longitudinal and transverse reinforcement bodies and the vertical reinforcement bodies are designed by adopting phi 12 threaded reinforcement, and the longitudinal and transverse reinforcement bodies and the vertical reinforcement bodies are welded and connected.
Preferably, the bottom end of the vertical steel bar body penetrates through the roadbed concrete layer and is embedded into the cement stabilized macadam layer.
Preferably, the surface of the asphalt concrete layer is cut with expansion joints at equal intervals, the expansion joints penetrate through the roadbed concrete layer, and asphalt is poured in the expansion joints.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the roadbed concrete layer is arranged, and the reinforcing steel bar net which is bound with the longitudinal and transverse reinforcing steel bar bodies is arranged in the roadbed concrete layer, so that the toughness of the roadbed concrete layer is improved, and meanwhile, due to the arrangement of the vertical reinforcing steel bars, the roadbed concrete layer can be better connected with the cement stabilized gravel layer, and the effect of improving the toughness of a road and reducing cracking is achieved.
Drawings
Fig. 1 is a schematic diagram of a front view structure of the present utility model.
In the figure: 1. an asphalt concrete layer; 2. an expansion joint; 3. a roadbed concrete layer; 4. a longitudinal and transverse steel bar body; 5. cement stabilizing the crushed stone layer; 6. a vertical steel bar body; 7. and (3) a three-layer soil layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1, one embodiment provided by the present utility model: the utility model provides a cement concrete pavement structure, includes vertical reinforcing bar body 6 and three-way soil layer 7, and the proportion of lime and loess in the three-way soil layer 7 is 3:7. the upper surface of the three-in-one soil layer 7 is provided with a cement stable gravel layer 5, and the mass of cement in the cement stable gravel layer 5 is 5% of the appropriate amount of aggregate. The upper surface of the cement stabilized gravel layer 5 is provided with a roadbed concrete layer 3, the strength grade of concrete adopted by the roadbed concrete layer 3 is C25, the strength grade of cement adopted by the roadbed concrete layer 3 is 32.5/42.5, the types of stones adopted by the roadbed concrete layer 3 are gravels, and the preparation strength adopted by the roadbed concrete layer 3 is 33.1MPa.
The subgrade concrete layer 3 is internally bound with a reinforcing mesh through a longitudinal reinforcing steel bar body 4, the longitudinal reinforcing steel bar body 4 and the vertical reinforcing steel bar body 6 are designed by adopting phi 12 threaded reinforcing steel bars, and the longitudinal reinforcing steel bar body 4 and the vertical reinforcing steel bar body 6 are welded and connected. The bottom end of the vertical steel bar body 6 penetrates through the roadbed concrete layer 3 and is embedded into the cement stabilized gravel layer 5. The upper surface of the roadbed concrete layer 3 is provided with an asphalt concrete layer 1. The surface of the asphalt concrete layer 1 is cut with expansion joints 2 at equal intervals, the expansion joints 2 penetrate through the roadbed concrete layer 3, and asphalt is poured in the expansion joints 2. Through setting up roadbed concrete layer 3 to set up the reinforcing bar net of indulging horizontal reinforcing bar body 4 ligature in roadbed concrete layer 3, thereby improved roadbed concrete layer 3's toughness, vertical setting up of reinforcing bar simultaneously also makes roadbed concrete layer 3 can stabilize the better connection of rubble layer 5 with cement, has reached the effect that improves road toughness and reduces the fracture.
When the utility model is used, the three-dimensional soil layer 7 is paved on the treated roadbed, the cement stabilized gravel layer 5 is paved on the three-dimensional soil layer 7, the vertical reinforcing steel bar body 6 is pre-buried on the cement stabilized gravel layer 5 after the curing is expired, meanwhile, the reinforcing steel bar net is bound through the vertical reinforcing steel bar body 4, the roadbed concrete layer 3 is poured on the cement stabilized gravel layer 5, the asphalt concrete layer 1 is paved after the curing is expired after the roadbed concrete layer 3 is poured, the expansion joint 2 is cut after the asphalt concrete layer 1 is paved, and the asphalt filling is carried out in the expansion joint 2.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a cement concrete pavement structure, includes vertical reinforcing bar body (6) and three-layer soil layer (7), its characterized in that: the concrete-filled road bed is characterized in that a cement-stabilized gravel layer (5) is arranged on the upper surface of the three-in-one soil layer (7), a roadbed concrete layer (3) is arranged on the upper surface of the cement-stabilized gravel layer (5), a reinforcing mesh is bound in the roadbed concrete layer (3) through a longitudinal reinforcing steel bar body (4), and an asphalt concrete layer (1) is arranged on the upper surface of the roadbed concrete layer (3).
2. A cement concrete pavement structure according to claim 1, wherein: the proportion of lime to loess in the triaxial soil layer (7) is 3:7.
3. a cement concrete pavement structure according to claim 1, wherein: the mass of cement in the cement stabilized crushed layer (5) is 5% of the appropriate amount of aggregate.
4. A cement concrete pavement structure according to claim 1, wherein: the strength grade of concrete adopted by the roadbed concrete layer (3) is C25, the strength grade of cement adopted by the roadbed concrete layer (3) is 32.5/42.5, the stone adopted by the roadbed concrete layer (3) is broken stone, and the preparation strength adopted by the roadbed concrete layer (3) is 33.1MPa.
5. A cement concrete pavement structure according to claim 1, wherein: the longitudinal and transverse reinforcement body (4) and the vertical reinforcement body (6) are designed by adopting phi 12 threaded reinforcement, and the longitudinal and transverse reinforcement body (4) and the vertical reinforcement body (6) are welded and connected.
6. A cement concrete pavement structure according to claim 1, wherein: the bottom end of the vertical steel bar body (6) passes through the roadbed concrete layer (3) and is embedded into the cement stabilized gravel layer (5).
7. A cement concrete pavement structure according to claim 1, wherein: the asphalt concrete layer (1) is characterized in that the surface of the asphalt concrete layer (1) is provided with equidistant cutting expansion joints (2), the expansion joints (2) penetrate through the roadbed concrete layer (3), and asphalt is poured in the expansion joints (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321268645.4U CN219824779U (en) | 2023-05-24 | 2023-05-24 | Cement concrete pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321268645.4U CN219824779U (en) | 2023-05-24 | 2023-05-24 | Cement concrete pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219824779U true CN219824779U (en) | 2023-10-13 |
Family
ID=88283688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321268645.4U Active CN219824779U (en) | 2023-05-24 | 2023-05-24 | Cement concrete pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219824779U (en) |
-
2023
- 2023-05-24 CN CN202321268645.4U patent/CN219824779U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202787044U (en) | Longitudinal crack treatment structure for bituminous concrete pavement | |
| CN204940030U (en) | Reconstruction and extension project new-old concrete bond Pavement mosaic structure | |
| CN102296507A (en) | Treatment method of subgrade cracks | |
| CN103334357A (en) | Viaduct road embankment structure with lower pile foundation bearing platform extending in roadbed, and construction method | |
| CN111549598B (en) | Construction method of highway reinforced bridgehead roadbed in collapsible loess region | |
| CN106676993B (en) | Reinforced broken stone frame structure roadbed reinforcing system and reinforcing method thereof | |
| CN201296895Y (en) | Vertical cracking pavement repair structure | |
| CN107313320A (en) | The embedded reinforcement asphalt pavement structure of cement concrete pavement and construction method | |
| CN109826093A (en) | A kind of bituminous concrete seamless expansion-contraction devices and its construction method | |
| CN203334154U (en) | Embankment structure for preventing bearing platform of pile foundation from stretching in roadbed under viaduct | |
| CN110714389A (en) | Ultrathin high-performance composite semi-flexible surface layer pavement structure and construction method thereof | |
| CN213772779U (en) | Concrete road surface structure permeates water | |
| CN219824779U (en) | Cement concrete pavement structure | |
| CN110792011A (en) | Construction process suitable for high-cold collapsible loess area permeable pavement | |
| CN106245546A (en) | A kind of corrugated steel Pipe rack | |
| CN216663671U (en) | Highway road surface pavement structure | |
| CN211815250U (en) | Road widening roadbed splicing structure | |
| CN204185743U (en) | A kind of Desulphurization roadbed cement pavement structure | |
| CN211256538U (en) | Ultrathin high-performance composite semi-flexible surface layer pavement structure | |
| CN114960331A (en) | Rigid-flexible composite pavement structure and construction method thereof | |
| CN204780555U (en) | Structure that repaired in bituminous paving hole groove | |
| CN108951383A (en) | A kind of construction technology that the regeneration of cement stabilized macadam base presplitting formula is reinforced | |
| CN103449784B (en) | Be applicable to the cement-based waterproof anticracking material of swelled ground area railway cutting bedding | |
| CN108118574B (en) | Concrete pavement construction process | |
| CN102535297A (en) | Polypropylene fiber concrete roadway structure suitable for large-tonnage cars and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |