CN207619767U - A kind of crack resistance type pavement structure suitable for semi-rigid type base - Google Patents
A kind of crack resistance type pavement structure suitable for semi-rigid type base Download PDFInfo
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- CN207619767U CN207619767U CN201721782071.7U CN201721782071U CN207619767U CN 207619767 U CN207619767 U CN 207619767U CN 201721782071 U CN201721782071 U CN 201721782071U CN 207619767 U CN207619767 U CN 207619767U
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- 239000010426 asphalt Substances 0.000 claims abstract description 46
- 238000005336 cracking Methods 0.000 claims abstract description 31
- 239000004575 stone Substances 0.000 claims abstract description 30
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229920000728 polyester Polymers 0.000 claims description 8
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000008602 contraction Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 101
- 230000000694 effects Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model provides a kind of crack resistance type pavement structure suitable for semi-rigid type base.The crack resistance type pavement structure suitable for semi-rigid type base includes lime-soil base；Cement stabilized macadam layer；Modified pitch emulsified asphalt sealing, the modified pitch emulsified asphalt sealing are set to the top of the cement stabilized macadam layer；Cracking resistance boundary layer, the cracking resistance boundary layer are set to the top of the modified pitch emulsified asphalt sealing；Asphalt concrete layer, the asphalt concrete layer are set to the top of the cracking resistance boundary layer；Asphalt-mastic-broken stone layer, the asphalt-mastic-broken stone layer are set to the top of the asphalt concrete layer；Cistern；Pervious asphalt layer.Crack resistance type pavement structure provided by the utility model suitable for semi-rigid type base can effectively alleviate the phenomenon that temperature factor causes pavement cracking while can bear larger gravity, avoid road surface from contraction distortion occur, sub-surface is protected not to be damaged.
Description
Technical field
The utility model is related to road construction technical field more particularly to a kind of crack resistance type roads suitable for semi-rigid type base
Face structure.
Background technology
Pavement structure refers to constituting each pavement on road surface, by residing for it layer position and effect, mainly have face layer, base
And bed course；Road surface will not only bear the effect of wheel load, and be influenced by factor of natural environment, due to traffic load
With the influence of atmospheric factor road pavement, generally gradually weaken with depth, thus road surface is typically multilayered structure, by quality
The good material-paving upper layer larger in stress, the material-paving of the inferior quality lower layer smaller in stress, so as to form road
The material of different size and requirement is used on base.
The pavement structure form for being laid with bed course, base's knead dough layer is usually respectively adopted in pavement structure, due to by environment
It influences, each seasonal temperature difference is big, while road surface needs to carry larger pressure in driving, these reasons easily cause road surface
Cracking, reduces the service life on road surface.
It is asked therefore, it is necessary to provide a kind of crack resistance type pavement structure suitable for semi-rigid type base newly and solve above-mentioned technology
Topic.
Utility model content
The technical issues of the utility model solves, which is to provide, a kind of can effectively alleviate temperature factor and cause pavement cracking
Phenomenon can bear larger gravity simultaneously, and road surface is avoided contraction distortion occur, protect what sub-surface was not damaged to be suitable for half
The crack resistance type pavement structure of rigid base.
In order to solve the above technical problems, the crack resistance type pavement structure provided by the utility model suitable for semi-rigid type base,
Including：Lime-soil base；Cement stabilized macadam layer, the cement stabilized macadam layer are set to the top of the lime-soil base；
Modified pitch emulsified asphalt sealing, the modified pitch emulsified asphalt sealing are set to the top of the cement stabilized macadam layer；
Cracking resistance boundary layer, the cracking resistance boundary layer are set to the top of the modified pitch emulsified asphalt sealing；Asphalt concrete layer, institute
State the top that asphalt concrete layer is set to the cracking resistance boundary layer；Asphalt-mastic-broken stone layer, the asphalt-mastic-broken stone
Layer is set to the top of the asphalt concrete layer；Cistern, the cistern are set to the asphalt-mastic-broken stone layer
It is internal；Pervious asphalt layer, the pervious asphalt layer are set to the top of the cistern.
Preferably, the pervious asphalt layer is the pervious asphalt layer that a kind of large porosity asphalt is constituted, and described
The top of pervious asphalt layer is laid with wearing course.
Preferably, the pervious asphalt layer, be equipped with waterproof layer at the top of the cistern, and the waterproof layer with it is described
Plastic grains elastic layer is equipped between asphalt-mastic-broken stone layer.
Preferably, the cistern uses triangular structure, and the outer tip end of the cistern opens up several drainings
Mouthful.
Preferably, the plastic grains elastic layer uses domes, and plastic grains elastic layer bottom gluing institute
State asphalt-mastic-broken stone layer.
Preferably, the cracking resistance boundary layer includes from top to bottom polyester glass fibre layer of cloth, adhesive phase and polyester fiber successively
Bitumen layer.
Preferably, the thickness of the lime-soil base base is 20-25cm, and pours water at the top of the lime-soil base
Cement-stabilizing broken stone layer.
Preferably, the asphalt-mastic-broken stone layer, asphalt concrete layer, cracking resistance boundary layer and modified pitch emulsification drip
Green sealing from top to bottom uses ladder-like.
Preferably, the thickness of the asphalt-mastic-broken stone layer is 4-6cm, and the thickness of the asphalt concrete layer is institute
State asphalt-mastic-broken stone layer twice.
Compared with the relevant technologies, the crack resistance type pavement structure provided by the utility model suitable for semi-rigid type base has
Following advantageous effect：
The utility model provides a kind of crack resistance type pavement structure suitable for semi-rigid type base, utilizes the pervious asphalt layer
It absorbs water, the cistern is cooperateed with to be collected rainwater, can not only be cooled down by evaporation in dry season, and can be in the winter
Season accumulation water avoid it is icy on road, it is effective to alleviate the phenomenon that temperature factor causes pavement cracking, and special construction is described
Cistern stability is strong, coordinates the cracking resistance boundary layer, is obstructed to successional supercrust, can bear larger weight
Power avoids road surface from contraction distortion occur, and sub-surface is protected not to be damaged, and improves whole stabilization and secured performance, extends road
The service life in face.
Description of the drawings
Fig. 1 is a kind of preferred embodiment of the crack resistance type pavement structure provided by the utility model suitable for semi-rigid type base
Structural schematic diagram；
Fig. 2 is cracking resistance interface structure schematic diagram shown in FIG. 1.
Figure label：1, wearing course, 2, pervious asphalt layer, 3, waterproof layer, 4, plastic grains elastic layer, 5, cistern, 6,
Discharge outlet, 7, asphalt-mastic-broken stone layer, 8, asphalt concrete layer, 9, cracking resistance boundary layer, 91, polyester glass fibre layer of cloth, 92, bonding
Oxidant layer, 93, polyester fiber bitumen layer, 9A, modified pitch emulsified asphalt sealing, 9B, cement stabilized macadam layer, 9C, lime soil matrix
Layer.
Specific implementation mode
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Please refer to Fig. 1 and Fig. 2, wherein Fig. 1 is the crack resistance type provided by the utility model suitable for semi-rigid type base
A kind of structural schematic diagram of preferred embodiment of pavement structure；Fig. 2 is cracking resistance interface structure schematic diagram shown in FIG. 1.It is a kind of
Suitable for the crack resistance type pavement structure of semi-rigid type base, including：Lime-soil base 9C；Cement stabilized macadam layer 9B, the cement
Stabilization gravel layer 9B is set to the top of the lime-soil base 9C；Modified pitch emulsified asphalt sealing 9A, the modified pitch
Emulsified asphalt sealing 9A is set to the top of the cement stabilized macadam layer 9B；Cracking resistance boundary layer 9, the cracking resistance boundary layer 9 are set
It is placed in the top of the modified pitch emulsified asphalt sealing 9A；Asphalt concrete layer 8, the asphalt concrete layer 8 are set to institute
State the top of cracking resistance boundary layer 9；Asphalt-mastic-broken stone layer 7, the asphalt-mastic-broken stone layer 7 are set to the pitch coagulation
The top of soil layer 8；Cistern 5, the cistern 5 are set to the inside of the asphalt-mastic-broken stone layer 7；Pervious asphalt layer 2,
The pervious asphalt layer 2 is set to the top of the cistern 5.
As a kind of preferred embodiment of the utility model, the pervious asphalt layer 2 is a kind of large porosity asphalt
The pervious asphalt layer 2 of composition, and the top of the pervious asphalt layer 2 is laid with wearing course 1, the wearing course 1 is used as surface layer, can have
Effect increases wear-resisting property, extends whole service life.
As a kind of preferred embodiment of the utility model, the pervious asphalt layer 2, the cistern 5 top be equipped with
Waterproof layer 3, and plastic grains elastic layer 4 is equipped between the waterproof layer 3 and the asphalt-mastic-broken stone layer 7, it can be effective
Increase whole water resistance by the waterproof layer 3, in addition the plastic grains elastic layer 4 not only has good bradyseism
Can also have insulation effect, effectively avoid pressure is excessive road surface is caused to divide.
As a kind of preferred embodiment of the utility model, the cistern 5 uses triangular structure, and the cistern 5
Outer tip end open up several discharge outlet 6, the Auto-drainage after 5 water of the cistern is full avoids the accumulation for causing water.
As a kind of preferred embodiment of the utility model, the plastic grains elastic layer 4 uses domes, and the modeling
The glued asphalt-mastic-broken stone layer 7 in 4 bottom of glue particle elastic layer, can effectively realize ponding and draining.
As a kind of preferred embodiment of the utility model, the cracking resistance boundary layer 9 includes from top to bottom polyester glass fibre successively
Layer of cloth 91, adhesive phase 92 and polyester fiber bitumen layer 93, it is effective to increase whole anti-splitting ability, avoid road surface from dividing
It splits.
As a kind of preferred embodiment of the utility model, the thickness of the lime-soil base base 9C is 20-25cm, and institute
The top joints cement stabilization gravel layer 9B for stating lime-soil base 9C, lays a solid foundation for road surface.
As a kind of preferred embodiment of the utility model, the asphalt-mastic-broken stone layer 7, asphalt concrete layer 8, cracking resistance
Boundary layer 9 and modified pitch emulsified asphalt sealing 9A from top to bottom use ladder-like, make to be more uniformly stressed, avoid the occurrence of and collapse
It falls into.
As a kind of preferred embodiment of the utility model, the thickness of the asphalt-mastic-broken stone layer 7 is 4-6cm, and institute
The thickness for stating asphalt concrete layer 8 is twice of the asphalt-mastic-broken stone layer 7, increases the intensity of pavement structure.
When the utility model is used, it is laid with the lime-soil base 9C first, and on the top of the lime-soil base 9C
Portion pours the cement stabilized macadam layer 9B, is then laid with the cracking resistance boundary layer 9, asphalt concrete layer 8, described successively
Asphalt-mastic-broken stone layer 7, and the cistern 5 is opened up in the inside of the asphalt-mastic-broken stone layer 7, in the cistern
5 top is laid with the pervious asphalt layer 2 and the wearing course 1, and when in use, if rainy season, then rainwater passes through the abrasion
Layer 1 and the pervious asphalt layer 2 converge in inside the cistern 5, on the one hand avoid the accumulation of water cause in winter road surface by
Freeze, on the other hand can reduce temperature by the evaporation of water in the cistern 5 in summer, avoid due to enduring cold, is over-drying etc.
Environmental factor causes pavement cracking, but when rainwater is more can be discharged by the discharge outlet 6, while the cracking resistance boundary layer 9 can be held
The contraction distortion that road surface is avoided by larger tension extends the service life on road surface.
Compared with the relevant technologies, the crack resistance type pavement structure provided by the utility model suitable for semi-rigid type base has
Following advantageous effect：
The utility model provides a kind of crack resistance type pavement structure suitable for semi-rigid type base, utilizes the pervious asphalt layer
2 absorb water, and the cistern 5 is cooperateed with to be collected rainwater, can not only be cooled down by evaporation in dry season, and can be
Winter accumulation water avoid it is icy on road, it is effective to alleviate the phenomenon that temperature factor causes pavement cracking, and the institute of special construction
It is strong to state 5 stability of cistern, coordinates the cracking resistance boundary layer 9, successional supercrust is obstructed, can bear larger
Gravity avoids road surface from contraction distortion occur, and sub-surface is protected not to be damaged, and improves whole stabilization and secured performance, extends
The service life on road surface.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (9)
1. a kind of crack resistance type pavement structure suitable for semi-rigid type base, which is characterized in that including：
Lime-soil base；
Cement stabilized macadam layer, the cement stabilized macadam layer are set to the top of the lime-soil base；
Modified pitch emulsified asphalt sealing, the modified pitch emulsified asphalt sealing are set to the top of the cement stabilized macadam layer
Portion；
Cracking resistance boundary layer, the cracking resistance boundary layer are set to the top of the modified pitch emulsified asphalt sealing；
Asphalt concrete layer, the asphalt concrete layer are set to the top of the cracking resistance boundary layer；
Asphalt-mastic-broken stone layer, the asphalt-mastic-broken stone layer are set to the top of the asphalt concrete layer；
Cistern, the cistern are set to the inside of the asphalt-mastic-broken stone layer；
Pervious asphalt layer, the pervious asphalt layer are set to the top of the cistern.
2. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that described permeable
Bitumen layer is the pervious asphalt layer that a kind of large porosity asphalt is constituted, and the top of the pervious asphalt layer is laid with abrasion
Layer.
3. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that described permeable
It is equipped with waterproof layer at the top of bitumen layer, the cistern, and is set between the waterproof layer and the asphalt-mastic-broken stone layer
There is plastic grains elastic layer.
4. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that the water storage
Pond uses triangular structure, and the outer tip end of the cistern opens up several discharge outlet.
5. the crack resistance type pavement structure according to claim 3 suitable for semi-rigid type base, which is characterized in that the plastic cement
Particle elastic layer uses domes, and the glued asphalt-mastic-broken stone layer in plastic grains elastic layer bottom.
6. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that the cracking resistance
Boundary layer includes from top to bottom polyester glass fibre layer of cloth, adhesive phase and polyester fiber bitumen layer successively.
7. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that the lime
The thickness of soil matrix layer is 20-25cm, and the top joints cement stabilization gravel layer of the lime-soil base.
8. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that the pitch
Mastic-broken stone layer, asphalt concrete layer, cracking resistance boundary layer and modified pitch emulsified asphalt sealing from top to bottom use ladder
Shape.
9. the crack resistance type pavement structure according to claim 1 suitable for semi-rigid type base, which is characterized in that the pitch
The thickness of mastic-broken stone layer is 4-6cm, and two that the thickness of the asphalt concrete layer is the asphalt-mastic-broken stone layer
Times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782071.7U CN207619767U (en) | 2017-12-19 | 2017-12-19 | A kind of crack resistance type pavement structure suitable for semi-rigid type base |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721782071.7U CN207619767U (en) | 2017-12-19 | 2017-12-19 | A kind of crack resistance type pavement structure suitable for semi-rigid type base |
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| Publication Number | Publication Date |
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| CN207619767U true CN207619767U (en) | 2018-07-17 |
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| CN201721782071.7U Expired - Fee Related CN207619767U (en) | 2017-12-19 | 2017-12-19 | A kind of crack resistance type pavement structure suitable for semi-rigid type base |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080978A (en) * | 2020-09-04 | 2020-12-15 | 东南大学 | Pavement structure for actively preventing temperature stress related diseases and construction method |
-
2017
- 2017-12-19 CN CN201721782071.7U patent/CN207619767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080978A (en) * | 2020-09-04 | 2020-12-15 | 东南大学 | Pavement structure for actively preventing temperature stress related diseases and construction method |
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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: 20180717 |
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| CF01 | Termination of patent right due to non-payment of annual fee |