CN216427885U - Durable rural highway bituminous pavement structure - Google Patents
Durable rural highway bituminous pavement structure Download PDFInfo
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- CN216427885U CN216427885U CN202123028645.0U CN202123028645U CN216427885U CN 216427885 U CN216427885 U CN 216427885U CN 202123028645 U CN202123028645 U CN 202123028645U CN 216427885 U CN216427885 U CN 216427885U
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- concrete
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- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010426 asphalt Substances 0.000 claims description 20
- 239000004568 cement Substances 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model discloses a rural highway bituminous pavement structure of durable type relates to bituminous pavement technical field. The utility model discloses a ground, ground upper berth are equipped with the hydrophobic bed course of grit, and the hydrophobic bed course upper berth of grit is equipped with the concrete subbase, and the concrete subbase upper berth is equipped with concrete base, has laid bituminous paving on the concrete base, and concrete subbase and concrete base in situ array structure have a plurality of slots, and concrete base upper surface array structure has a plurality of pressure-bearing grooves, and the pressure-bearing groove alternately communicates with slot upper end. The utility model discloses a set up the slot groove in concrete subbase and concrete substrate to establish the drainage plate who installs the hydrophobic bed course of grit on with the ground and be linked together in the slot groove interpolation, can increase the function of hydrophobic water conservancy diversion when not destroying original road bearing strength, make the water of bituminous paving infiltration pass through the hydrophobic bed course of grit and discharge as early as possible, prevent the inside long-time ponding of road and damage.
Description
Technical Field
The utility model relates to a road surface technical field, concretely relates to rural highway bituminous pavement structure of durable type.
Background
Asphalt pavement refers to various types of pavement made by incorporating road asphalt material in mineral material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction.
The asphalt structure layer of asphalt pavement belongs to the category of flexible pavement, but the base layer of the asphalt pavement can also adopt rigid cement concrete or semi-rigid hydraulic material besides flexible material.
The truck of partly for transporting agricultural product in rural vehicle, another part is the agricultural machinery vehicle that is used for reaping agricultural product, and the heavy machinery of multiple different weight can produce the pressure of different degree to the bituminous paving in the rural area, destroys the road surface very easily, and the rural area can be rainy because of the more frequent meeting of vegetation moreover, and current bituminous road does not possess the function of hydrophobic drainage, consequently the utility model provides a durable rural highway bituminous paving structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: for solving current rural bituminous paving and not possessing the function of hydrophobic drainage to the not good problem of bearing capacity, the utility model provides a rural highway bituminous pavement structure of durable type.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a rural highway bituminous paving structure of durable type, includes the ground, the ground upper berth is equipped with grit hydrophobic bed course, grit hydrophobic bed course upper berth is equipped with the concrete subbase, the concrete subbase upper berth is equipped with the concrete-based layer, the bituminous paving has been laid on the concrete-based layer, the array structure has a plurality of slots in concrete subbase and the concrete-based layer, concrete-based layer upper surface array structure has a plurality of bearing grooves, bearing groove and slot upper end cross intercommunication, the interpolation of slot establishes the drainage plate of being linked together with grit hydrophobic bed course.
Furtherly, grit hydrophobic bed course includes the interlocking structural layer that forms through the coarse gravel, it has the grit to fill in the intraformational space of interlocking structural, the reinforcing bar supporting network has all been laid with the top to interlocking structural layer bottom.
Furthermore, the coarse crushed stones are paved by adopting single-size stones with the grain diameter of less than 40mm to form an interlocking structure layer.
Furthermore, the slot grooves are constructed in the concrete subbase layer and the concrete foundation at intervals of 30-50 mm along the width direction of the road, the slot grooves are constructed in the concrete subbase layer and the concrete foundation at intervals of 10-20 m along the length direction of the road, and the length direction of the slot grooves faces the width direction of the road and is perpendicular to the horizontal direction of the pressure bearing grooves.
Furthermore, the concrete subbase layer is formed by mixing cement macadam and cement soil.
Furthermore, the concrete base layer comprises a concrete layer surface paved on the concrete base layer, and a reinforcing mesh positioned at the bent part of the road is arranged in the concrete layer surface.
Furthermore, the drainage plate comprises a water absorption plate vertically inserted in the slot, and the bottom of the water absorption plate is fixedly connected with a horizontally arranged waterproof guide plate.
Furthermore, the water absorption plate material adopts a sand-based permeable plate.
The utility model has the advantages as follows:
1. the utility model discloses a set up the slot groove in concrete subbase and concrete substrate to establish the drainage plate who installs the hydrophobic bed course of grit on with the ground and be linked together in the slot groove interpolation, can increase the function of hydrophobic water conservancy diversion when not destroying original road bearing strength, make the water of bituminous paving infiltration pass through the hydrophobic bed course of grit and discharge as early as possible, prevent the inside long-time ponding of road and damage.
2. The utility model discloses a construct a plurality of bearing grooves on concrete foundation upper surface, fill bituminous paving in its inside, can disperse leading-in a plurality of bearing grooves with gravity when bearing gravity on bituminous paving, through the bearing groove with the even dispersion of power below, very big increase the bearing capacity of road to increase the life of road.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the present invention in another state;
FIG. 3 is a schematic cross-sectional view of the road of the present invention;
FIG. 4 is a schematic vertical cross-sectional view of the road of the present invention;
reference numerals: 1. a foundation; 2. a sandstone hydrophobic cushion layer; 201. a reinforcing steel bar supporting net; 3. a concrete sub-base layer; 4. a concrete base layer; 5. an asphalt pavement; 6. a slot; 7. a pressure-bearing groove; 8. a drainage plate; 801. a water absorption plate; 802. a waterproof guide plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
As shown in fig. 1-4, an embodiment of the present invention provides a durable asphalt pavement structure for rural highways, which comprises a foundation 1, a gravel hydrophobic cushion layer 2 is laid on the foundation 1, a concrete underlayer 3 is laid on the gravel hydrophobic cushion layer 2, a concrete base layer 4 is laid on the concrete underlayer 3, an asphalt pavement 5 is laid on the concrete base layer 4, a plurality of slits 6 are formed in the concrete underlayer 3 and the concrete base layer 4, a plurality of bearing grooves 7 are formed in the upper surface array of the concrete base layer 4, the bearing grooves 7 are a plurality of strip-shaped grooves arranged along the length direction of the road, a plurality of bearing grooves 7 are formed in the array along the width direction of the road, the asphalt pavement 5 is filled in the bearing grooves 7, the bearing grooves 7 are in cross communication with the upper ends of the slits 6, a drainage plate 8 communicated with the gravel hydrophobic cushion layer 2 is inserted in the slits 6, the subsequent concrete subbase 3 can be supported by the sand hydrophobic cushion layer 2, fine gaps are formed in the sand hydrophobic cushion layer 2 and can be used for discharging moisture out of a road, the gap grooves 6 formed in the concrete subbase 3 and the concrete base 4 are communicated with the sand hydrophobic cushion layer 2, moisture permeated by the asphalt pavement 5 can directly enter the sand hydrophobic cushion layer 2 through the drainage plates 8 in the gap grooves 6, the retention time of the moisture in the concrete subbase 3 and the concrete base 4 is reduced, the drainage speed is increased, the damage of the concrete subbase 3 and the concrete base 4 caused by the long-time retention of the moisture is prevented, the service life of the road is prolonged, when the pressure bearing grooves 7 formed on the upper surface of the concrete base 4 can enable the asphalt pavement 5 to bear the pressure, the pressure is uniformly dispersed to the lower part, and the damage of an internal structure caused by the concentration of the pressure is prevented, the bearing capacity of the road is greatly improved, and the service life of the road is prolonged.
As shown in fig. 3, in some embodiments, the gravel hydrophobic cushion layer 2 comprises an interlocking structure layer formed by coarse gravel, gravel is filled in a gap in the interlocking structure layer, reinforcing steel bar supporting nets 201 are laid at the bottom and the top of the interlocking structure layer, the interlocking structure layer is formed by tightly pressing the coarse gravel, the bearing capacity and the stability of the interlocking structure layer can be increased, then larger gaps can be further filled by laying gravel, certain fine gaps can be generated for discharging water while the tightness and the bearing capacity of the structure are increased, the reinforcing steel bar supporting nets 201 on the upper side and the lower side are used for restricting the whole structure, the stability of the structure is further increased, and the structural stability of other directions is prevented from being influenced after one part of the reinforcing steel bar supporting nets is eroded by water flow.
In some embodiments, as shown in fig. 3, the crushed stone is laid by using single-size stones with the grain size of 40mm to form a interlocking structure layer, the single grain size can be used for more easily forming a mutually interlocking structure during compaction laying, and large gaps are not generated to cause unstable structures.
As shown in fig. 1, in some embodiments, the slot 6 is constructed in the concrete sub-base 3 and the concrete base 4 at an interval of 30mm to 50mm along the width direction of the road, so that the construction of the slot 6 does not affect the overall connectivity of the road and reduces the influence on the pressure bearing capacity, the slot 6 is constructed in the concrete sub-base 3 and the concrete base 4 at an interval of 10m to 20m along the length direction of the road, the length direction of the slot 6 is towards the width direction of the road and is vertically arranged with the horizontal direction of the pressure bearing groove 7, not only the hydrophobic type of the road can be increased, but also the hard force buffer can be generated when the road bears the pressure, the crack can be prevented from being generated due to the excessive hard force in the road, and the pressure bearing capacity of the road can be increased.
In some embodiments, as shown in fig. 1, the concrete sub-base 3 is formed by mixing cement crushed stone and cement soil, the cement soil is a mixture with satisfactory strength obtained by stabilizing fine-grained soil with cement, and the cement crushed stone is obtained by stabilizing medium-grained soil and coarse-grained soil with cement, and the mixture can greatly increase the firmness of the concrete sub-base 3.
As shown in fig. 2, in some embodiments, the concrete base layer 4 includes a concrete layer laid on the concrete base layer 3, and a steel mesh is disposed in the concrete layer and positioned at the road bending portion for increasing the tensile and anti-extrusion capability of the road bending portion, preventing the road from breaking and prolonging the service life of the road.
As shown in fig. 4, in some embodiments, the flow guiding plate 8 includes a water absorbing plate 801 vertically inserted into the slit groove 6, a horizontally disposed waterproof flow guiding plate 802 is fixedly connected to the bottom of the water absorbing plate 801, and after water flows along the water absorbing plate 801 into the sandstone hydrophobic cushion layer 2, the flow direction of the water can be guided by the waterproof flow guiding plate 802, so that the water flows to both sides, and a large amount of water flow is prevented from entering the foundation 1 along the sandstone hydrophobic cushion layer 2, thereby protecting the foundation 1 from being eroded by the water flow.
As shown in FIG. 4, in some embodiments, the water absorption plate 801 is made of a sand-based water permeable plate, which is a thin plate pressed by using sand-based material, and has the functions of water permeation and drainage, and the water permeability is achieved by changing the surface tension of water, the surface is dense, the material strength is high, and the water permeation speed is high.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a durable rural highway bituminous paving structure, includes ground (1), its characterized in that, ground (1) upper berth is equipped with grit hydrophobic bed course (2), grit hydrophobic bed course (2) upper berth is equipped with concrete subbase (3), concrete subbase (3) upper berth is equipped with concrete basic unit (4), concrete basic unit (4) upper berth is equipped with bituminous paving (5), the array structure has a plurality of slots (6) in concrete subbase (3) and concrete basic unit (4), concrete basic unit (4) upper surface array structure has a plurality of pressure-bearing grooves (7), pressure-bearing groove (7) and slot (6) upper end cross intercommunication, the interpolation of slot (6) is established and is installed drainage plate (8) that are linked together with grit hydrophobic bed course (2).
2. The asphalt pavement structure of the durable rural highway according to claim 1, wherein the gravel hydrophobic cushion layer (2) comprises an interlocking structure layer formed by coarse gravel, the gaps in the interlocking structure layer are filled with gravel, and a steel bar support net (201) is laid on the bottom and the top of the interlocking structure layer.
3. The asphalt pavement structure for the durable rural highways according to claim 2, wherein the coarse crushed stones are laid by single-size stones with the grain size of 40mm to form an interlocking structure layer.
4. The asphalt pavement structure of the durable rural highway according to claim 1, wherein the gap grooves (6) are constructed in the concrete subbase (3) and the concrete base layer (4) at intervals of 30-50 mm along the width direction of the road, the gap grooves (6) are constructed in the concrete subbase (3) and the concrete base layer (4) at intervals of 10-20 m along the length direction of the road, and the length direction of the gap grooves (6) faces the width direction of the road and is perpendicular to the horizontal direction of the pressure bearing grooves (7).
5. The asphalt pavement structure for the durable rural highway according to the claim 1, characterized in that the concrete subbase layer (3) is formed by mixing cement gravel and cement soil.
6. A durable asphalt pavement structure for rural highways according to claim 1, characterized in that the concrete base layer (4) comprises a concrete layer laid on the concrete base layer (3), and a steel mesh is arranged in the concrete layer at the road bending part.
7. The asphalt pavement structure of the durable rural highway according to claim 1, wherein the flow guide plate (8) comprises a water absorption plate (801) vertically inserted in the slit groove (6), and a horizontally arranged waterproof flow guide plate (802) is fixedly connected to the bottom of the water absorption plate (801).
8. The asphalt pavement structure of the durable rural highway according to claim 7, characterized in that the water absorption plate (801) is made of sand-based water permeable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028645.0U CN216427885U (en) | 2021-12-03 | 2021-12-03 | Durable rural highway bituminous pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028645.0U CN216427885U (en) | 2021-12-03 | 2021-12-03 | Durable rural highway bituminous pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216427885U true CN216427885U (en) | 2022-05-03 |
Family
ID=81343409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123028645.0U Expired - Fee Related CN216427885U (en) | 2021-12-03 | 2021-12-03 | Durable rural highway bituminous pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216427885U (en) |
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2021
- 2021-12-03 CN CN202123028645.0U patent/CN216427885U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |