CN220813276U - Highway roller compacted concrete pavement structure - Google Patents
Highway roller compacted concrete pavement structure Download PDFInfo
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- CN220813276U CN220813276U CN202322690837.0U CN202322690837U CN220813276U CN 220813276 U CN220813276 U CN 220813276U CN 202322690837 U CN202322690837 U CN 202322690837U CN 220813276 U CN220813276 U CN 220813276U
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- concrete
- expansion joint
- waterproof
- soil
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- 239000011382 roller-compacted concrete Substances 0.000 title claims abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 61
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000004568 cement Substances 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims description 39
- 239000004576 sand Substances 0.000 claims description 23
- 210000000438 stratum basale Anatomy 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000011449 brick Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005336 cracking Methods 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 abstract description 4
- 238000001764 infiltration Methods 0.000 abstract description 4
- 238000009490 roller compaction Methods 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 9
- 238000002955 isolation Methods 0.000 description 7
- 230000008602 contraction Effects 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model discloses a road roller compaction concrete pavement structure which comprises a concrete cement pavement and a waterproof layer, wherein the waterproof layer is arranged on the lower layer of the concrete cement pavement, a first reinforcing layer and a second reinforcing layer are arranged on the lower layer of the waterproof layer, a concrete filling layer is arranged between the first reinforcing layer and the second reinforcing layer, a first substrate layer is arranged on the lower layer of the second reinforcing layer, and a second substrate layer is arranged on the lower layer of the first substrate layer. This highway roller compacted concrete road surface structure is through being provided with metal expansion joint, water drainage tank, waterproof layer, waterproof median, and metal expansion joint prevents that road surface expend with heat and contract with cold from causing surface cracking, under non-extreme environment, has better road surface guard action, and metal expansion joint all is provided with the water drainage tank in both sides, reducible rivers siltation, cooperation waterproof median in the waterproof layer reduces the destruction of infiltration to the structure, has solved the not good problem of structure guard effect.
Description
Technical Field
The utility model relates to the technical field of concrete pavement, in particular to a road roller compacted concrete pavement structure.
Background
The road roller compacted concrete pavement needs to bear long-term and high-strength extrusion force, and rural concrete pavement is limited by funds and cannot be paved with asphalt in a large area, so that the structure needs to be improved during manufacturing to ensure the physical stability of the internal structure.
Many rural concrete pavements are not provided with a better heat expansion and cold contraction structure, when exposed to the sun, the foundation is easy to expand, and when frozen, the foundation is easy to contract, so that the whole structure is deformed, the pavement is uneven for a long time, the cracking positions are increased, and the subsequent investment in repair cost is required.
Therefore, there is a need for a road roller compacted concrete pavement structure that overcomes the technical drawbacks set forth in the above-mentioned art.
Disclosure of utility model
The utility model aims to provide a road roller compacted concrete pavement structure, which aims to solve the problem that a good heat expansion and cold contraction structure is not provided in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a highway roller compacted concrete pavement structure, includes concrete cement road surface and waterproof layer, concrete cement road surface lower floor is provided with the waterproof layer, the waterproof layer lower floor is provided with first enhancement layer and second enhancement layer, be provided with the concrete filling layer between first enhancement layer and the second enhancement layer, the second enhancement layer lower floor is provided with first stratum basale, first stratum basale lower floor is provided with the second stratum basale, second stratum basale lower floor is provided with the soil horizon, squeeze into the metal expansion joint in the concrete cement road surface, the metal expansion joint sets up a set of every one section distance, fixedly connected with expansion joint fixing bolt between metal expansion joint and the concrete cement road surface.
Preferably, the bottom end of the metal expansion joint is welded with a ground inserting steel bar, and the ground inserting steel bar is provided with a plurality of groups and is inserted into the first base layer.
Preferably, the left and right sides of the metal expansion joint are provided with water drainage grooves, the water drainage grooves are grooved from the top end of the concrete cement pavement, and three groups of water drainage grooves are respectively arranged on the two sides of the metal expansion joint at equal intervals.
Preferably, the waterproof isolation belt is arranged in the waterproof layer, the sand matrix is arranged in the first reinforcing layer, the brick matrix is arranged in the second reinforcing layer, and the fine sand concrete is arranged in the concrete filling layer.
Preferably, the first substrate layer is internally provided with sand and gravel coarse aggregate concrete, the second substrate layer is internally provided with a soil slope matrix, and the soil layer is internally provided with sand doped material for improving soil.
Preferably, the internal structure of the concrete cement pavement is paved from the lower layer to the upper layer in sequence.
Compared with the prior art, the utility model has the beneficial effects that: the road roller compacted concrete pavement structure not only realizes the reduction of damage, has better protection effect on the pavement, realizes strong structural stability and reduced deformation sinking, but also realizes the reduction of water and soil loss, the improvement of the internal stress of the structure and the cost reduction and synergy;
(1) The metal expansion joints, the drainage grooves, the waterproof layer and the waterproof isolation belt are arranged at intervals, so that the concrete pavement is prevented from cracking on the surface caused by expansion caused by heat and contraction caused by cold, the pavement has better pavement protection effect under non-extreme environments, the drainage grooves are arranged on the two sides of the metal expansion joints, water flow accumulation can be reduced, a better drainage effect is achieved, the waterproof isolation belt in the waterproof layer is matched, damage to the structure caused by infiltration is reduced, and the pavement has better protection effect;
(2) Through being provided with first enhancement layer, second enhancement layer, first stratum basale, be provided with the concrete filling layer between first enhancement layer and the second enhancement layer, strengthen the intensity of road bed overall structure, the metal expansion joint inserts in the first stratum basale downwards through inserting the ground reinforcing bar, increase the stability of metal expansion joint, the antidetonation effect is better, structural stability is strong, reduce the deformation subsidence that causes because of gravity oppression, road surface repair frequency decline, overall stability obtains improving;
(3) Through being provided with first stratum basale, the second stratum basale, the soil slope base member, the sand doping material improves soil, the soil horizon, grit coarse aggregate concrete, fine sand material concrete, be provided with grit coarse aggregate concrete in the first stratum basale, be provided with the soil slope base member in the second stratum basale, the soil slope base member provides the basement for the road surface, material cost is low, be provided with the sand doping material improvement soil in the soil horizon, can improve soil physical properties better, prevent and treat the spoil, reduce soil erosion and water loss, separately pack grit coarse aggregate concrete and fine sand material concrete, effectively improve the internal stress of structure, play the effect of reducing cost and increasing efficiency.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is an enlarged partial cross-sectional view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic diagram of the front view of the metal expansion joint of the present utility model.
In the figure: 1. concrete cement pavement; 2. a waterproof layer; 3. a first reinforcing layer; 4. a concrete filling layer; 5. a second reinforcing layer; 6. a first substrate layer; 7. a second substrate layer; 8. a soil layer; 9. sand doping material to improve soil; 10. a soil slope matrix; 11. sand and stone coarse aggregate concrete; 12. a brick soil matrix; 13. fine sand concrete; 14. a sandy soil matrix; 15. a waterproof isolation belt; 16. a drainage channel; 17. a metal expansion joint; 18. an expansion joint fixing bolt; 19. and (5) inserting a ground reinforcing steel bar.
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.
Example 1: referring to fig. 1-4, a highway roller compacted concrete pavement structure comprises a concrete cement pavement 1 and a waterproof layer 2, wherein the waterproof layer 2 is arranged on the lower layer of the concrete cement pavement 1, a first reinforcing layer 3 and a second reinforcing layer 5 are arranged on the lower layer of the waterproof layer 2, a concrete filling layer 4 is arranged between the first reinforcing layer 3 and the second reinforcing layer 5, a first basal layer 6 is arranged on the lower layer of the second reinforcing layer 5, a second basal layer 7 is arranged on the lower layer of the first basal layer 6, a soil layer 8 is arranged on the lower layer of the second basal layer 7, metal expansion joints 17 are driven into the concrete cement pavement 1, a group of metal expansion joints 17 are arranged at intervals, expansion joint fixing bolts 18 are fixedly connected between the metal expansion joints 17 and the concrete cement pavement 1, drainage grooves 16 are formed in grooves from the top end of the concrete cement pavement 1, and three groups of drainage grooves 16 are respectively arranged on two sides of the metal expansion joints 17 at equal intervals;
Specifically, as shown in fig. 1, 2, 3 and 4, a group of metal expansion joints 17 are arranged at intervals on the concrete pavement to prevent surface cracking caused by thermal expansion and cold contraction of the pavement, and in a non-extreme environment, the metal expansion joints 17 have a better pavement protection effect, drainage grooves 16 are arranged on two sides of the metal expansion joints 17, so that water flow accumulation can be reduced, and the damage to the structure caused by infiltration is reduced by matching with the waterproof isolation belt 15 in the waterproof layer 2.
Example 2: the bottom end of the metal expansion joint 17 is welded with a ground inserting steel bar 19, and the ground inserting steel bars 19 are provided with a plurality of groups and inserted into the first basal layer 6;
specifically, as shown in fig. 1 and 2, the concrete filling layer 4 is arranged between the first reinforcing layer 3 and the second reinforcing layer 5, the strength of the whole roadbed structure is enhanced, the metal expansion joint 17 is downwards inserted into the first substrate layer 6 through the ground inserting reinforcing steel bar 19, the stability of the metal expansion joint 17 is improved, the anti-seismic effect is better, the structural stability is strong, and deformation sinking caused by gravity compression is reduced.
Example 3: a waterproof isolation belt 15 is arranged in the waterproof layer 2, a sand matrix 14 is arranged in the first reinforcing layer 3, a brick soil matrix 12 is arranged in the second reinforcing layer 5, and fine sand concrete is arranged in the concrete filling layer 4
13, The first substrate layer 6 is internally provided with sand and gravel coarse aggregate concrete 11, the second substrate layer 7 is internally provided with a soil slope matrix 10, the soil layer 8 is internally provided with sand-doped modified soil 9, and the internal structure of the concrete cement pavement 1 is paved from the lower layer to the upper layer in sequence;
Specifically, as shown in fig. 1 and 3, the first substrate layer 6 is internally provided with the sand and gravel coarse aggregate concrete 11, the second substrate layer 7 is internally provided with the soil slope substrate 10, the soil slope substrate 10 provides a substrate for a pavement, the material cost is low, the soil layer 8 is internally provided with the sand-doped material modified soil 9, the physical properties of the soil can be better improved, the spoil is prevented and treated, the water and soil loss is reduced, and the sand and gravel coarse aggregate concrete 11 and the fine sand material concrete 13 are separately filled, so that the internal stress of the structure is effectively improved.
Working principle: the concrete pavement is provided with a group of metal expansion joints 17 at intervals to prevent surface cracking caused by thermal expansion and cold contraction of the pavement, the concrete pavement has better pavement protection effect under non-extreme environment, the metal expansion joints 17 are provided with drainage grooves 16 at two sides, water flow accumulation can be reduced, better drainage effect is achieved, the waterproof isolation belt 15 in the waterproof layer 2 is matched, damage to the structure caused by infiltration is reduced, the concrete filling layer 4 is arranged between the first reinforcing layer 3 and the second reinforcing layer 5, the strength of the whole structure of the roadbed is enhanced, the metal expansion joints 17 are downwards inserted into the first base layer 6 through the ground inserting steel bars 19, the stability of the metal expansion joints 17 is improved, the earthquake resistance effect is better, the structural stability is strong, deformation subsidence caused by gravity compression is reduced, the pavement repair frequency is reduced, the sand and stone coarse aggregate concrete 11 is arranged in the first base layer 6, the second base layer 7 is internally provided with the soil slope base body 10, the material cost is low, the sand and the soil 9 is improved by the admixture, the physical property of the soil can be better improved, the soil physical property is prevented and the soil loss is prevented, the water loss is reduced, the sand and the coarse aggregate concrete 11 and the fine sand coarse aggregate 13 is separated from the fine aggregate concrete structure.
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 (6)
1. The utility model provides a highway roller compacted concrete pavement structure, includes concrete cement road surface (1) and waterproof layer (2), its characterized in that: the concrete cement pavement (1) lower floor is provided with waterproof layer (2), waterproof layer (2) lower floor is provided with first enhancement layer (3) and second enhancement layer (5), be provided with concrete filling layer (4) between first enhancement layer (3) and second enhancement layer (5), second enhancement layer (5) lower floor is provided with first stratum basale (6), first stratum basale (6) lower floor is provided with second stratum basale (7), second stratum basale (7) lower floor is provided with soil horizon (8), squeeze into metal expansion joint (17) in concrete cement pavement (1), metal expansion joint (17) set up a set of every one section distance, fixedly connected with expansion joint fixing bolt (18) between metal expansion joint (17) and concrete cement pavement (1).
2. A road roller compacted concrete pavement structure according to claim 1, characterized in that: the bottom end of the metal expansion joint (17) is welded with a ground inserting steel bar (19), and the ground inserting steel bars (19) are provided with a plurality of groups and are inserted into the first substrate layer (6).
3. A road roller compacted concrete pavement structure according to claim 1, characterized in that: the concrete pavement structure is characterized in that drainage grooves (16) are formed in the left side and the right side of the metal expansion joint (17), the drainage grooves (16) are grooved from the top end of the concrete pavement (1), and three groups of drainage grooves (16) are respectively arranged on the two sides of the metal expansion joint (17) at equal intervals.
4. A road roller compacted concrete pavement structure according to claim 1, characterized in that: be provided with waterproof median (15) in waterproof layer (2), be provided with sand base member (14) in first enhancement layer (3), be provided with brick soil base member (12) in second enhancement layer (5), be provided with fine sand material concrete (13) in concrete filling layer (4).
5. A road roller compacted concrete pavement structure according to claim 1, characterized in that: the sand-doped soil-modified concrete is characterized in that sand-coarse aggregate concrete (11) is arranged in the first substrate layer (6), a soil slope substrate (10) is arranged in the second substrate layer (7), and sand-doped material modified soil (9) is arranged in the soil layer (8).
6. A road roller compacted concrete pavement structure according to claim 1, characterized in that: the internal structure of the concrete cement pavement (1) is paved from the lower layer to the upper layer in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322690837.0U CN220813276U (en) | 2023-10-08 | 2023-10-08 | Highway roller compacted concrete pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322690837.0U CN220813276U (en) | 2023-10-08 | 2023-10-08 | Highway roller compacted concrete pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220813276U true CN220813276U (en) | 2024-04-19 |
Family
ID=90675825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322690837.0U Active CN220813276U (en) | 2023-10-08 | 2023-10-08 | Highway roller compacted concrete pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220813276U (en) |
-
2023
- 2023-10-08 CN CN202322690837.0U patent/CN220813276U/en active Active
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