CN207003168U - A kind of composite asphalt road surface - Google Patents
A kind of composite asphalt road surface Download PDFInfo
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- CN207003168U CN207003168U CN201720673926.6U CN201720673926U CN207003168U CN 207003168 U CN207003168 U CN 207003168U CN 201720673926 U CN201720673926 U CN 201720673926U CN 207003168 U CN207003168 U CN 207003168U
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- asphalt
- road surface
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- underlayment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Road Paving Structures (AREA)
Abstract
A kind of composite asphalt road surface, including surface layer, basic unit, underlayment and soil matrix layer, the underlayment, basic unit, surface layer is molded on soil matrix layer successively, one layer of rubber asphalt layer is formed between underlayment and basic unit as stress absorbing layer simultaneously, filled with one layer of basalt fiber as anti-deformation layer between basic unit and surface layer, and the surface layer is MULTILAYER COMPOSITE layer, warm-mixed asphalt mastic-broken stone layer is followed successively by from bottom to top, the high-modulus asphalt bed of material, big particle diameter asphalt concrete layer and fine grain asphalt concrete layer, and become packed layer as temperature resistance filled with one layer of asbestos fibre layer between big particle diameter asphalt concrete layer and fine grain asphalt concrete layer.The utility model can effectively improve road surface outward appearance, and improve the ride quality on road surface, extend the service life on road surface, reduce road surface life cycle cost.
Description
Technical field
The highway construction field in infrastructure construction technology is the utility model is related to, specially a kind of composite asphalt road
Face.
Background technology
The fast development of highway construction significantly improves the trip condition of people, and national economy fast development is served
Huge impetus.And bituminous paving is hot-tempered low as a kind of conventional Flexible Pavement Structure, its driving comfort, road, can effectively carry
The ability of high road surface resistance driving and the infringement of natural cause road pavement, makes road surface more durable in use, in China Higher level highway
In occupy very big proportion.
In general, the usual all multi-layer structure designs of existing conventional bituminous paving, including upper, middle and lower-ranking (also have one
A little less road surface areas of traffic pressure use double-layer structure), its surface structure will not only have (such as wear-resistant, anti-using function
Cunning, waterproof etc.), also have both the function of carrying, this is mutually restricted between resulting in some functions, such as possesses larger pressure-bearing at some
It is required that road surface on, it will usually increase the dosage of coarse aggregate in asphalt to increase its load-bearing property, but this thick
The increase of aggregate can cause road surface porosity increase, cause road surface waterproof hydraulic performance decline, and then cause ageing of asphalt to come off, fine fisssure
The getting up early disease such as seam, loose, have impact on Road surface quality, shortens bituminous paving service life.
Utility model content
The technical problem that the utility model solves is to provide a kind of composite asphalt road surface, to solve above-mentioned background technology
The shortcomings that middle.
The technical problem that the utility model solves is realized using following technical scheme：
A kind of composite asphalt road surface, including surface layer, basic unit, underlayment and soil matrix layer, wherein, the underlayment, basic unit,
Surface layer is molded on soil matrix layer successively, while is formed one layer of rubber asphalt layer between underlayment and basic unit and inhaled as stress
Layer is received, filled with one layer of basalt fiber as anti-deformation layer between basic unit and surface layer, and the surface layer is MULTILAYER COMPOSITE layer,
Warm-mixed asphalt mastic-broken stone layer, the high-modulus asphalt bed of material, big particle diameter asphalt concrete layer and fine grain are followed successively by from bottom to top
Asphalt concrete layer, and one layer of asbestos fibre is filled between big particle diameter asphalt concrete layer and fine grain asphalt concrete layer
Layer becomes packed layer as temperature resistance.
In the utility model, the particulate formula asphalt surface in the surface layer also forms one layer of modified emulsifying drip
Green grass or young crops is as maintenance protection face.
In the utility model, the underlayment is lime soil layer.
In the utility model, the basic unit is cement stabilized macadam layer.
In the utility model, the thickness of the big particle diameter asphalt concrete layer in the surface layer is 6~15cm, preferably 8
~12cm, and the thickness of the particulate formula asphalt is 1~4cm, preferably 2~3cm.
In the utility model, the modulus of resilience of the basic unit and surface layer is 1.5~3 than ratio, the basic unit and base
The modulus of resilience of layer is 1~3 than ratio, and the modulus of resilience of the underlayment and soil matrix layer is 2.5~12.5 than ratio.
In the utility model, the center height of the bituminous paving is higher than the both sides height of bituminous paving, its difference in height
Caused angle is not more than 7 °.
Beneficial effect：The utility model is compact-sized, good toughness, antifatigue, enhanced road surface bearing capacity, has good
Rutting resistance and endurance quality, meanwhile, the surface layer structure and rational deployment set by multilayer, road surface can be effectively improved
Every road service indication, particularly water resistance, while also there is preferable temperature resistance to become adaptability.
Brief description of the drawings
Fig. 1 is the section detailed schematic of the utility model preferred embodiment.
Wherein：1st, surface layer；2nd, basalt fiber；3rd, basic unit；4th, rubber asphalt layer；5th, underlayment；6th, soil matrix layer；101、
Fine grain asphalt concrete layer；102nd, asbestos fibre layer；103rd, big particle diameter asphalt concrete layer；104th, the high-modulus asphalt bed of material；
105th, warm-mixed asphalt mastic-broken stone layer.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to a kind of section detailed schematic of the preferred embodiment on Fig. 1 composite asphalt road surface, in the present embodiment, drip
Blue or green road surface using the roadbed Jing Guo cure process as soil matrix layer 6, meanwhile, formed successively as base on this surface of soil matrix layer 6
Lime soil layer, the cement stabilized macadam layer as basic unit 3 and as the composite construction layer to surface layer 1 of layer 5.In addition, in underlayment 5
One layer of rubber asphalt layer 4 is provided between basic unit 3 and is used as stress absorbing layer, and one layer is filled between basic unit 3 and surface layer 1
Basalt fiber 2 is used as anti-deformation layer, and the center height of whole bituminous paving, higher than the both sides height of bituminous paving, it is high
Angle caused by degree difference is 5 °.
And in the present embodiment, in the composite construction layer of surface layer 1, warm mix drip is followed successively by the side from basalt fiber 2
Blue or green mastic-broken stone layer 105, the high-modulus asphalt bed of material 104, big particle diameter asphalt concrete layer 103 and fine grain asphalt concrete layer
101.Wherein, the thickness of big particle diameter asphalt concrete layer 103 is 10cm, and the setting thickness of particulate formula asphalt 101 is
2cm；And the mean particle size in big particle diameter asphalt concrete layer 103 is averaged for the particle in particulate formula asphalt 101
2 times of particle diameter, and one layer of stone is also filled between big particle diameter asphalt concrete layer 103 and fine grain asphalt concrete layer 101
Cotton fiber layer 102 becomes packed layer as temperature resistance.
The technical indicator that the fine grain asphalt concrete layer 101 controls is：Indirect tensile test on frozen-thaw intensity is than ＞ 74%, and -10
DEG C low temperature damage strains >=1700 microstrains, construction depth TD >=0.8mm, 60 DEG C of dynamic stability >=3000 time/mm；And big particle diameter
The technical indicator that asphalt concrete layer 103 controls is：60 DEG C of dynamic stability >=5000 time/mm, indirect tensile test on frozen-thaw intensity compare ＞
85%, 15 DEG C of fatigue ruptures are less than 60 microstrains.In the present embodiment, the basic unit 3 and the modulus of resilience of surface layer 1 is controlled to compare
It is worth for 2, the modulus of resilience of the basic unit 3 and underlayment 5 is 2 than ratio, the modulus of resilience ratio of the underlayment 5 and soil matrix layer 6
Ratio is 8.
Meanwhile safeguard for convenience, in another embodiment, the surface of particulate formula asphalt 101 also forms one
Layer modified emulsifying asphalt is as maintenance protection face.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (8)
1. a kind of composite asphalt road surface, including surface layer, basic unit, underlayment and soil matrix layer, it is characterised in that the underlayment,
Basic unit, surface layer are molded on soil matrix layer successively, while one layer of rubber asphalt layer conduct is formed between underlayment and basic unit
Stress absorbing layer, filled with one layer of basalt fiber as anti-deformation layer between basic unit and surface layer, and the surface layer is multilayer
Composite bed, be followed successively by from bottom to top warm-mixed asphalt mastic-broken stone layer, the high-modulus asphalt bed of material, big particle diameter asphalt concrete layer and
Fine grain asphalt concrete layer, and one layer of stone is filled between big particle diameter asphalt concrete layer and fine grain asphalt concrete layer
Cotton fiber layer becomes packed layer as temperature resistance.
2. composite asphalt road surface according to claim 1, it is characterised in that the underlayment is lime soil layer.
3. composite asphalt road surface according to claim 1, it is characterised in that the basic unit is cement stabilized macadam layer.
4. composite asphalt road surface according to claim 1, it is characterised in that the big particle diameter bituminous concrete in the surface layer
The thickness of layer is 8~12cm.
5. composite asphalt road surface according to claim 1, it is characterised in that the thickness of the particulate formula asphalt is
2~3cm.
6. composite asphalt road surface according to claim 1, it is characterised in that the modulus of resilience of the basic unit and surface layer is compared
It is worth for 1.5~3, the modulus of resilience of the basic unit and underlayment is 1~3 than ratio, the resilience mould of the underlayment and soil matrix layer
Amount is 2.5~12.5 than ratio.
7. the composite asphalt road surface according to any one in claim 1~6, it is characterised in that thin in the surface layer
Grain formula asphalt surface also forms one layer of modified emulsifying asphalt as maintenance protection face.
8. the composite asphalt road surface according to any one in claim 1~6, it is characterised in that the bituminous paving
Center height is higher than the both sides height of bituminous paving, and angle caused by its difference in height is no more than 7 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673926.6U CN207003168U (en) | 2017-06-02 | 2017-06-02 | A kind of composite asphalt road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673926.6U CN207003168U (en) | 2017-06-02 | 2017-06-02 | A kind of composite asphalt road surface |
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| Publication Number | Publication Date |
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| CN207003168U true CN207003168U (en) | 2018-02-13 |
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ID=61446529
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720673926.6U Active CN207003168U (en) | 2017-06-02 | 2017-06-02 | A kind of composite asphalt road surface |
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| CN (1) | CN207003168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560401A (en) * | 2018-05-24 | 2018-09-21 | 东南大学 | A kind of quick assembled type steel bridge girder antiknock protective plate and its make assembly method |
| CN111021174A (en) * | 2019-12-16 | 2020-04-17 | 南通永泰建设工程有限公司 | Construction method of urban road |
-
2017
- 2017-06-02 CN CN201720673926.6U patent/CN207003168U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108560401A (en) * | 2018-05-24 | 2018-09-21 | 东南大学 | A kind of quick assembled type steel bridge girder antiknock protective plate and its make assembly method |
| CN108560401B (en) * | 2018-05-24 | 2020-04-14 | 东南大学 | Rapid assembly type steel bridge girder anti-explosion protection plate and manufacturing and assembling method thereof |
| CN111021174A (en) * | 2019-12-16 | 2020-04-17 | 南通永泰建设工程有限公司 | Construction method of urban road |
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