CN205839514U - A kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic - Google Patents
A kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic Download PDFInfo
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- CN205839514U CN205839514U CN201620766220.XU CN201620766220U CN205839514U CN 205839514 U CN205839514 U CN 205839514U CN 201620766220 U CN201620766220 U CN 201620766220U CN 205839514 U CN205839514 U CN 205839514U
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- water conservation
- temperature reduction
- conservation temperature
- bituminous concrete
- water
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Abstract
This utility model belongs to road engineering technical field, relate to a kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic, go to a grassroots level and cement stabilized macadam bed course including basic unit, water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement, cement stabilized macadam on surface layer, water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal, water conservation temperature reduction Asphalt Stabilized Macadam in the water conservation temperature reduction particulate formula bituminous concrete upper layer being laid on the most successively on soil matrix, water conservation temperature reduction Coarse Graded Bituminous Concrete.This pavement structure can adapt to very heavy traffic load distribution characteristics, meets accumulated standard axle time Ne＞ 2.5 × 107The road in (secondary/track), can effectively reduce bituminous paving temperature simultaneously, alleviates the breaking of pitch surface in early stages such as rut, effectively extenuates " tropical island effect ".
Description
Technical field
This utility model belongs to road engineering technical field, relates to a kind of pavement structure, particularly relates to one and be applicable to spy
The water conservation temperature reduction asphalt pavement structure of heavy traffic.
Background technology
Owing to urban area development is the hugest so that construction area densely populated, waterproof increases, heat extraction machine is numerous
Many, the chance that its result causes natural precipitation to penetrate into surface soil reduces relatively, and the thermal balance in city is destroyed, so that road
Fever sensation of the face amount cannot discharge.Improve city " heat island " effect, reduce the water conservation temperature reduction road surface on ecological impact, saving water resource and become
For following development trend.
Water conservation road surface is the material filled in the space on common macrovoid dankness type road surface and have water retaining function
A kind of new road surface form.Water-keeping material in water-retaining property road surface can absorb and preserve rainfall or high temperature season spills at road surfaces
Water, when temperature is increased to a certain degree these moisture retained can evaporate gasification absorb some heats thus reduce pavement temperature.
But water conservation temperature reduction ground surface material is a kind of brand-new ground surface material, owing to China's practical experience is few, to this material
Material adaptability in different pavement lacks enough understanding, to water conservation temperature reduction asphalt pavement structure to different class of loading
Adaptability lack enough understanding.
Therefore it provides a kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic is problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic, this road surface
Structure can adapt to very heavy traffic load distribution characteristics, meets accumulated standard axle time Ne＞ 2.5 × 107The road in (secondary/track), simultaneously
Can effectively reduce bituminous paving temperature, alleviate the breaking of pitch surface in early stages such as rut, effectively extenuate " tropical island effect ".
The purpose of this utility model is achieved through the following technical solutions:
A kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic, it is characterised in that be applicable to extra heavy friendship described in:
Logical water conservation temperature reduction asphalt pavement structure includes the water conservation temperature reduction particulate formula Colophonium coagulation being laid on the most successively on soil matrix
Surface layer, water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal, water conservation fall in soil upper layer, water conservation temperature reduction Coarse Graded Bituminous Concrete
On temperature Asphalt Stabilized Macadam, basic unit, water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement, cement stabilized macadam are gone to a grassroots level and cement stabilizing
Blotter.
As preferably, the water conservation temperature reduction particulate formula bituminous concrete upper layer that this utility model is used is by water-keeping mortar
And matrix bituminous concrete mixes；The grating of described matrix bituminous concrete is OGFC-16, described matrix Colophonium coagulation
The voidage of soil is 20%～25%；The water retention of described water-keeping mortar is more than 20%；Described water conservation temperature reduction particulate formula Colophonium mixes
The thickness of solidifying soil upper layer is 60mm.
As preferably, in the water conservation temperature reduction Coarse Graded Bituminous Concrete that this utility model is used, surface layer is by water-keeping mortar
And matrix bituminous concrete mixes；The grating of described matrix bituminous concrete is ATPB-25, described matrix Colophonium coagulation
The voidage of soil is 20%～25%；The water retention of described water-keeping mortar is more than 20%；Described water conservation temperature reduction coarse grain formula Colophonium mixes
In solidifying soil, the thickness of surface layer is 80mm.
As preferably, the water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal that this utility model is used is by water-keeping mortar
And matrix bituminous concrete mixes；The grating of described matrix bituminous concrete is ATPB-25, described matrix Colophonium coagulation
The voidage of soil is 20%～25%；The water retention of described water-keeping mortar is more than 20%；Described water conservation temperature reduction coarse grain formula Colophonium mixes
The thickness of solidifying soil cutting optimal is 80mm.
As preferably, on the water conservation temperature reduction Asphalt Stabilized Macadam that this utility model is used basic unit be by water-keeping mortar and
Matrix Asphalt Stabilized Macadam mixes；The grating of described matrix Asphalt Stabilized Macadam is ATPB-30, described matrix Bituminous stabilized
The voidage of rubble is 20%～25%；The water retention of described water-keeping mortar is more than 20%；Described water conservation temperature reduction Bituminous stabilized is broken
The thickness of Shi Shang basic unit is 150mm.
As preferably, the water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement that this utility model is used is by water-keeping mortar and base
Body Asphalt Stabilized Macadam mixes；The grating of described matrix Asphalt Stabilized Macadam is ATPB-40, and described matrix Bituminous stabilized is broken
The voidage of stone is 20%～25%；The water retention of described water-keeping mortar is more than 20%；Described water conservation temperature reduction Asphalt Stabilized Macadam
The thickness of basic unit is 150mm.
As preferably, the thickness that the cement stabilized macadam that this utility model is used is gone to a grassroots level is 300mm.
As preferably, the thickness of the cement stabilized macadam bed course that this utility model is used is 300mm.
As preferably, the compression rebound modulu of the soil matrix that this utility model is used is not less than 65MPa.
This utility model compared with the prior art, has the following advantages and beneficial effect:
This utility model provides a kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic, including from top to bottom
Surface layer, water conservation in the water conservation temperature reduction particulate formula bituminous concrete upper layer laid successively, water conservation temperature reduction Coarse Graded Bituminous Concrete
Basic unit, water conservation temperature reduction Asphalt Stabilized Macadam base on cooling Coarse Graded Bituminous Concrete cutting optimal, water conservation temperature reduction Asphalt Stabilized Macadam
Layer, cement stabilized macadam are gone to a grassroots level, cement stabilized macadam bed course, soil matrix.Layers of material performance characteristics and structural grouping form
Cooling-down effect, bearing capacity of pavement structure and the pavement performance on this water conservation temperature reduction road surface can be adapted to completely, effectively in reality
While its environment protecting existing, it is to avoid the generation of road surface each layer disease.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic provided by the utility model；
Wherein:
1-water conservation temperature reduction particulate formula bituminous concrete upper layer；Surface layer in 2-water conservation temperature reduction Coarse Graded Bituminous Concrete；3-
Water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal；Basic unit on 4-water conservation temperature reduction Asphalt Stabilized Macadam；5-water conservation temperature reduction Colophonium is steady
Determine crushed rock base course；6-cement stabilized macadam is gone to a grassroots level；7-cement stabilized macadam bed course；8-soil matrix.
Detailed description of the invention
In conjunction with drawings and Examples, this utility model is further described, but this utility model is not limited only to down
The embodiment stated.
Seeing Fig. 1, this utility model provides a kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic and includes
In the water conservation temperature reduction particulate formula bituminous concrete upper layer 1 laid the most successively, water conservation temperature reduction Coarse Graded Bituminous Concrete
Basic unit 4, water conservation temperature reduction drip on surface layer 2, water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal 3, water conservation temperature reduction Asphalt Stabilized Macadam
Blue or green stabilized macadam base 5, cement stabilized macadam are gone to a grassroots level 6, cement stabilized macadam bed course 7 and soil matrix 8.
Water conservation temperature reduction particulate formula bituminous concrete upper layer 1 is to be circulated into by water-keeping mortar in matrix bituminous concrete
Arrive；The grating of matrix bituminous concrete is OGFC-16, and voidage is 20%～25%；The water retention of water-keeping mortar is more than 20%；
The thickness of water conservation temperature reduction particulate formula bituminous concrete upper layer 1 is 60mm.
In water conservation temperature reduction Coarse Graded Bituminous Concrete, surface layer 2 is to be circulated into by water-keeping mortar in matrix bituminous concrete
Arrive；The grating of matrix bituminous concrete is ATPB-25, and voidage is 20%～25%；The water retention of water-keeping mortar is more than 20%；
In water conservation temperature reduction Coarse Graded Bituminous Concrete, the thickness of surface layer 2 is 80mm.
Water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal 3 is to be circulated into by water-keeping mortar in matrix bituminous concrete
Arrive；The grating of matrix bituminous concrete is ATPB-25, and voidage is 20%～25%；The water retention of water-keeping mortar is more than 20%；
The thickness of water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal 3 is 80mm.
On water conservation temperature reduction Asphalt Stabilized Macadam, basic unit 4 is to be circulated into water-keeping mortar in matrix Asphalt Stabilized Macadam to obtain；
The grating of matrix Asphalt Stabilized Macadam is ATPB-30, and voidage is 20%～25%；The water retention of water-keeping mortar is more than 20%；
On water conservation temperature reduction Asphalt Stabilized Macadam, the thickness of basic unit 4 is 150mm.
Water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement 5 is to be circulated into water-keeping mortar in matrix Asphalt Stabilized Macadam to obtain；Base
The grating of body Asphalt Stabilized Macadam is ATPB-40, and voidage is 20%～25%；The water retention of water-keeping mortar is more than 20%；Protect
The thickness of water for cooling Asphalt Stabilized Crushed Stone Basement 5 is 150mm.
Surface layer 2, guarantor in water conservation temperature reduction particulate formula bituminous concrete upper layer 1, water conservation temperature reduction Coarse Graded Bituminous Concrete
Basic unit 4 and water conservation temperature reduction Bituminous stabilized on water for cooling Coarse Graded Bituminous Concrete cutting optimal 3, water conservation temperature reduction Asphalt Stabilized Macadam
In crushed rock base course 5, owing to the voidage of matrix bituminous concrete is 20%～25%, therefore, this utility model is used
Water-keeping mortar is used for filling the space of matrix bituminous concrete, the volume ratio of water-keeping mortar and matrix bituminous concrete be 20～
25:100。
Cement stabilized macadam go to a grassroots level 6 thickness be 300mm.
The thickness of cement stabilized macadam bed course 7 is 300mm.
The compression rebound modulu of soil matrix 8 is greater than 65MPa.
Claims (9)
1. the water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic, it is characterised in that be applicable to very heavy traffic described in:
Water conservation temperature reduction asphalt pavement structure include the water conservation temperature reduction particulate formula Colophonium coagulation that is laid on the most successively on soil matrix (8)
Surface layer (2), water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal in soil upper layer (1), water conservation temperature reduction Coarse Graded Bituminous Concrete
(3), on water conservation temperature reduction Asphalt Stabilized Macadam under basic unit (4), water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement (5), cement stabilized macadam
Basic unit (6) and cement stabilized macadam bed course (7).
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 1, it is characterised in that: described
Water conservation temperature reduction particulate formula bituminous concrete upper layer (1) is to be mixed by water-keeping mortar and matrix bituminous concrete；Described
The grating of matrix bituminous concrete is OGFC-16, and the voidage of described matrix bituminous concrete is 20%～25%；Described water conservation sand
The water retention of slurry is more than 20%；The thickness of described water conservation temperature reduction particulate formula bituminous concrete upper layer (1) is 60mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 2, it is characterised in that: described
In water conservation temperature reduction Coarse Graded Bituminous Concrete, surface layer (2) is to be mixed by water-keeping mortar and matrix bituminous concrete；Described
The grating of matrix bituminous concrete is ATPB-25, and the voidage of described matrix bituminous concrete is 20%～25%；Described water conservation sand
The water retention of slurry is more than 20%；In described water conservation temperature reduction Coarse Graded Bituminous Concrete, the thickness of surface layer (2) is 80mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 3, it is characterised in that: described
Water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal (3) is to be mixed by water-keeping mortar and matrix bituminous concrete；Described
The grating of matrix bituminous concrete is ATPB-25, and the voidage of described matrix bituminous concrete is 20%～25%；Described water conservation sand
The water retention of slurry is more than 20%；The thickness of described water conservation temperature reduction Coarse Graded Bituminous Concrete cutting optimal (3) is 80mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 4, it is characterised in that: described
On water conservation temperature reduction Asphalt Stabilized Macadam, basic unit (4) is to be mixed by water-keeping mortar and matrix Asphalt Stabilized Macadam；Described base
The grating of body Asphalt Stabilized Macadam is ATPB-30, and the voidage of described matrix Asphalt Stabilized Macadam is 20%～25%；Described water conservation
The water retention of mortar is more than 20%；On described water conservation temperature reduction Asphalt Stabilized Macadam, the thickness of basic unit (4) is 150mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 5, it is characterised in that: described
Water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement (5) is to be mixed by water-keeping mortar and matrix Asphalt Stabilized Macadam；Described matrix
The grating of Asphalt Stabilized Macadam is ATPB-40, and the voidage of described matrix Asphalt Stabilized Macadam is 20%～25%；Described water conservation sand
The water retention of slurry is more than 20%；The thickness of described water conservation temperature reduction Asphalt Stabilized Crushed Stone Basement (5) is 150mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 6, it is characterised in that: described
The go to a grassroots level thickness of (6) of cement stabilized macadam is 300mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 7, it is characterised in that: described
The thickness of cement stabilized macadam bed course (7) is 300mm.
The water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic the most according to claim 8, it is characterised in that: described
The compression rebound modulu of soil matrix (8) is not less than 65MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620766220.XU CN205839514U (en) | 2016-07-18 | 2016-07-18 | A kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620766220.XU CN205839514U (en) | 2016-07-18 | 2016-07-18 | A kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205839514U true CN205839514U (en) | 2016-12-28 |
Family
ID=57624574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620766220.XU Expired - Fee Related CN205839514U (en) | 2016-07-18 | 2016-07-18 | A kind of water conservation temperature reduction asphalt pavement structure being applicable to very heavy traffic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205839514U (en) |
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2016
- 2016-07-18 CN CN201620766220.XU patent/CN205839514U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190718 |