CN212025806U - Asphalt pavement - Google Patents
Asphalt pavement Download PDFInfo
- Publication number
- CN212025806U CN212025806U CN202020617853.0U CN202020617853U CN212025806U CN 212025806 U CN212025806 U CN 212025806U CN 202020617853 U CN202020617853 U CN 202020617853U CN 212025806 U CN212025806 U CN 212025806U
- Authority
- CN
- China
- Prior art keywords
- layer
- asphalt
- asphalt pavement
- water
- pitch
- 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.)
- Expired - Fee Related
Links
- 239000010426 asphalt Substances 0.000 title claims description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000011248 coating agent Substances 0.000 claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 59
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 8
- 239000010438 granite Substances 0.000 claims description 7
- 230000003075 superhydrophobic effect Effects 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 239000004568 cement Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000004567 concrete Substances 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 239000011384 asphalt concrete Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model relates to a bituminous paving road surface, including the pitch layer, the bottom on pitch layer is provided with the basic unit, is provided with the inoxidizing coating between pitch layer and the basic unit, is provided with the water conservancy diversion hole on the pitch layer, is provided with water drainage tank in the inoxidizing coating, and water conservancy diversion hole and water drainage tank intercommunication, the upper surface on pitch layer are the arc setting. The utility model discloses have drainage performance good, long service life's effect.
Description
Technical Field
The utility model belongs to the technical field of the technique of road shop front construction and specifically relates to a bituminous paving road surface is related to.
Background
Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt 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 chinese utility model patent with publication number CN202865716U discloses a modified asphalt mixture pavement, which is particularly suitable for a modified asphalt mixture pavement capable of improving the stability of a highway pavement. The modified asphalt mixture pavement structure sequentially comprises a fine particle type modified asphalt concrete upper surface layer, a medium particle type modified asphalt concrete middle surface layer, a coarse particle type dense graded asphalt macadam lower surface layer, a hot melt modified asphalt macadam seal layer, a cement stabilized macadam base layer and a cement stabilized gravel soil subbase layer from top to bottom. The modified asphalt mixture is prepared by mixing 1-6 parts of asphalt concrete modifier, 3-6 parts of asphalt and 85-95 parts of crushed stone mineral aggregate. The high-grade highway pavement paved by the modified asphalt mixture is greatly improved in high-temperature stability, low-temperature stability, water stability and other properties, and the service life of the asphalt pavement surface layer is prolonged.
The above prior art solutions have the following drawbacks: the modified asphalt mixture pavement has poor water drainage. The road surface is easy to accumulate water, the asphalt road surface is subjected to the repeated action of traffic load and temperature expansion and contraction under the condition of moisture, the asphalt film is gradually stripped from the aggregate surface, the cohesive force between aggregates is lost, the road surface is damaged, and the service life of the road surface is short, so the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bituminous paving road surface, it has good, the long service life's of drainage performance advantage to the not enough of prior art existence.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a bituminous paving road surface, includes the pitch layer, the bottom on pitch layer is provided with the basic unit, be provided with the inoxidizing coating between pitch layer and the basic unit, be provided with the water conservancy diversion hole on the pitch layer, be provided with water drainage tank in the inoxidizing coating, water conservancy diversion hole and water drainage tank intercommunication, the upper surface on pitch layer is the arc setting.
Through adopting above-mentioned technical scheme, the basic unit plays the effect of ground, the inoxidizing coating plays the effect on the pitch layer of its top of protection, water guide effect can be played in the water conservancy diversion hole on the pitch layer, the intraformational water drainage tank plays the drainage effect, the pitch layer upper surface that the arc set up is favorable to the loss of moisture, avoid moisture ponding to appear on pitch layer surface, destroy bituminous paving, the moisture on bituminous layer surface is through the cooperation of water conservancy diversion hole with water drainage tank, in time with the water discharge, it is good to ensure the drainage performance on pitch pavement, and long service life.
The present invention may be further configured in a preferred embodiment as: the flow guide holes are vertically arranged.
By adopting the technical scheme, when the flow guide holes are vertically arranged, the drainage effect of the flow guide holes is optimal, the good drainage performance of the asphalt pavement is ensured, and the service life is prolonged.
The present invention may be further configured in a preferred embodiment as: the drainage channel is arranged along the width direction of the road surface.
Through adopting above-mentioned technical scheme, along the both sides on bituminous paving road surface with water drainage tank drainage that road surface width direction set up can be timely, ensure that the drainage performance on bituminous paving road surface is good, increase of service life.
The present invention may be further configured in a preferred embodiment as: and a steel pipe is embedded in the drainage groove.
Through adopting above-mentioned technical scheme, when the drainage effect of water drainage tank can be guaranteed to the steel pipe that water drainage tank inlayed and establish. The water drainage tank has good strength, the asphalt pavement road surface has high strength, the asphalt pavement road surface has good drainage performance, and the service life is prolonged.
The present invention may be further configured in a preferred embodiment as: and the upper surface of the asphalt layer is provided with a super-hydrophobic coating.
By adopting the technical scheme, the super-hydrophobic coating layer on the upper surface of the asphalt layer has a good hydrophobic effect, accumulated water on the asphalt pavement is avoided, the good drainage performance of the asphalt pavement is ensured, and the service life is prolonged.
The present invention may be further configured in a preferred embodiment as: and the protective layer is provided with a plurality of pits for pouring and filling the asphalt layer.
Through adopting above-mentioned technical scheme, the sunken of setting up on the protective layer can supply pouring of pitch layer to fill for be connected between pitch layer and the inoxidizing coating more stable, firm, guarantee the intensity on bituminous paving road surface, ensure that the drainage performance on bituminous paving road surface is good, increase of service life.
The present invention may be further configured in a preferred embodiment as: and a plurality of reinforcing steel bars are arranged in the base layer.
Through adopting above-mentioned technical scheme, a plurality of reinforcing bars that set up in the basic unit can increase the intensity of basic unit, guarantee the intensity on bituminous paving road surface, ensure that the drainage performance on bituminous paving road surface is good, increase of service life.
The present invention may be further configured in a preferred embodiment as: and a plurality of granite broken stones are arranged on the base layer.
Through adopting above-mentioned technical scheme, the intensity that a plurality of granite rubbles that set up in the basic unit can guarantee the basic unit is good, guarantees the intensity on bituminous paving road surface, guarantees that the drainage performance on bituminous paving road surface is good, increase of service life.
To sum up, the utility model discloses a following at least one useful technological effect:
the water guide holes in the asphalt layer can play a role in water guide, the drainage grooves in the protective layer play a role in drainage, the upper surface of the asphalt layer arranged in an arc shape is favorable for water loss, the phenomenon that water is accumulated on the surface of the asphalt layer to damage the asphalt pavement is avoided, the water on the surface of the asphalt layer is timely drained through the matching of the water guide holes and the drainage grooves, the good drainage performance of the asphalt pavement is ensured, and the service life is prolonged;
the steel pipe of establishing of water drainage tank intussuseption can guarantee the drainage effect of water drainage tank in. The drainage channel can be ensured to have good strength, the asphalt pavement is ensured to have high strength, the drainage performance of the asphalt pavement is ensured to be good, and the service life is prolonged;
the super-hydrophobic coating layer on the upper surface of the asphalt layer has a good hydrophobic effect, avoids water accumulation on the asphalt pavement, ensures good drainage performance of the asphalt pavement and prolongs the service life.
Drawings
FIG. 1 is a schematic sectional view of the present embodiment;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Reference numerals: 1. an asphalt layer; 2. a flow guide hole; 3. a base layer; 4. reinforcing steel bars; 5. granite broken stone; 6. a protective layer; 7. a water discharge tank; 8. a steel pipe; 9. and (4) sinking.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an asphalt pavement road surface, including the pitch layer 1, pitch layer 1 mixes road bituminous material in mineral material and makes.
The upper surface of the asphalt layer 1 is sprayed with a super-hydrophobic coating (not shown in the figure), and the super-hydrophobic coating is a weather-resistant insulating hydrophobic coating prepared by taking fluorocarbon coating as a main raw material, so that the hydrophobic effect of the surface of the asphalt layer 1 is good.
Referring to fig. 1 and 2, the upper surface of the asphalt layer 1 is arc-shaped (not marked in the figures), so that the middle of the asphalt pavement is high in the width direction, and the two sides of the asphalt pavement are low, and water is prevented from accumulating on the surface of the asphalt layer 1. A plurality of water conservancy diversion holes 2 have vertically been seted up on the pitch layer 1, and water conservancy diversion hole 2 is cylindricly, and the axis direction in water conservancy diversion hole 2 is perpendicular with pitch layer 1.
The base layer 3 is arranged at the bottom of the asphalt layer 1, the main material of the base layer 3 is cement soil, and the cement soil is a mixture which is obtained by stabilizing fine soil with cement and has strength meeting the requirement.
Vertical a plurality of reinforcing bars 4 that are provided with in the basic unit 3, still pack in the basic unit 3 and have a plurality of granite rubble 5, reinforcing bar 4 and granite rubble 5 all use concrete placement for it becomes an organic whole with basic unit 3, thereby further strengthens basic unit 3's intensity.
A protective layer 6 is poured between the asphalt layer 1 and the base layer 3. The inoxidizing coating 6 is made by the concrete, offers the water drainage tank 7 with the intercommunication of water conservancy diversion hole 2 in the inoxidizing coating 6, and water drainage tank 7 is seted up along the width direction on road surface, and water drainage tank 7's the other end communicates with the both sides on road surface. The embedded steel pipe 8 that is equipped with of water drainage tank 7, steel pipe 8 are cylindricly, and the axis direction of steel pipe 8 is perpendicular with the axis of water conservancy diversion hole 2. The steel pipe 8 is cast by concrete to ensure that the drainage channel 7 has good strength.
A plurality of sunken 9 have been seted up on the surface that is close to pitch layer 1 on inoxidizing coating 6, and sunken 9 transversal personally submits "protruding" style of calligraphy form, when pouring pitch layer 1, pitch layer 1 can fill in sunken 9 for the connection between inoxidizing coating 6 and the pitch layer 1 is more stable, firm.
The implementation principle of the embodiment is as follows: during construction, firstly filling cement soil at the bottom, and using concrete pouring reinforcing steel bars 4, granite macadam 5 and the cement soil as a base layer 3; then, a protective layer 6 is poured on the base layer 3, and before the protective layer 6 is poured, a steel pipe 8 and a concave 9 grinding tool are prepared for pouring together; and finally, pouring an asphalt layer 1, reserving vertical flow guide holes 2 on the asphalt layer 1, pouring the upper surface of the asphalt layer 1 into an arc shape with a high middle and two low sides, and spraying a super-hydrophobic coating on the upper surface of the asphalt layer 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an asphalt pavement road surface, includes asphalt layer (1), its characterized in that: the bottom on pitch layer (1) is provided with basic unit (3), be provided with inoxidizing coating (6) between pitch layer (1) and basic unit (3), be provided with water conservancy diversion hole (2) on pitch layer (1), be provided with water drainage tank (7) in inoxidizing coating (6), water conservancy diversion hole (2) and water drainage tank (7) intercommunication, the upper surface on pitch layer (1) is the arc setting.
2. The asphalt pavement according to claim 1, wherein: the flow guide holes (2) are vertically arranged.
3. The asphalt pavement according to claim 2, wherein: the drainage channel (7) is arranged along the width direction of the road surface.
4. The asphalt pavement according to claim 3, wherein: and a steel pipe (8) is embedded in the drainage groove (7).
5. The asphalt pavement according to claim 1, wherein: the upper surface of the asphalt layer (1) is provided with a super-hydrophobic coating.
6. The asphalt pavement according to claim 1, wherein: and the protective layer (6) is provided with a plurality of pits (9) for pouring and filling the asphalt layer (1).
7. The asphalt pavement according to claim 1, wherein: and a plurality of reinforcing steel bars (4) are arranged in the base layer (3).
8. The asphalt pavement according to claim 1, wherein: a plurality of granite gravels (5) are arranged on the base layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020617853.0U CN212025806U (en) | 2020-04-22 | 2020-04-22 | Asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020617853.0U CN212025806U (en) | 2020-04-22 | 2020-04-22 | Asphalt pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212025806U true CN212025806U (en) | 2020-11-27 |
Family
ID=73494375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020617853.0U Expired - Fee Related CN212025806U (en) | 2020-04-22 | 2020-04-22 | Asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212025806U (en) |
-
2020
- 2020-04-22 CN CN202020617853.0U patent/CN212025806U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |