CN208803318U - A kind of hot-zone Airport Asphalt structure of heavy traffic summer - Google Patents
A kind of hot-zone Airport Asphalt structure of heavy traffic summer Download PDFInfo
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- CN208803318U CN208803318U CN201821222800.8U CN201821222800U CN208803318U CN 208803318 U CN208803318 U CN 208803318U CN 201821222800 U CN201821222800 U CN 201821222800U CN 208803318 U CN208803318 U CN 208803318U
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Abstract
The utility model discloses one kind to be suitable for heavy traffic summer hot-zone Airport Asphalt structure, sets gradually bed course (1), TGXG (2), gravel-sorted subbase (3), Asphalt Stabilized Macadam layer (4), the Sub-course Asphalt Concrete (5), the first adhesion coating (6), surface layer (7), the second adhesion coating (8) and bituminous concrete upper layer (9) in bituminous concrete from bottom to up on road base (0).It improves high-temperature stability, water stability and the fatigue resistance in road face by using surface layer structures such as modified pitch and bituminous epoxies.The track elements can adapt to big aircraft heavy traffic load requirement, have the anti-rut ability of high temperature.
Description
Technical field
The utility model belongs to airport pavement engineering technical field, and in particular to a kind of airfield runway structure, more particularly to
A kind of hot-zone Airport Asphalt structure of heavy traffic summer.
Background technique
Airfield pavement is generally cement concrete road surface and two kinds of asphalt pavement, and American-European airport uses the history of asphalt pavement
More much earlier than China, China's Airport Asphalt also increases year by year in recent years.Asphalt pavement has surfacing, is not necessarily to seam,
Comfortably, the advantages that antiskid, damping.But with the fast development of aircraft industry, Airport Asphalt load capacity increasingly increases, in addition
Large-tonnage number of aircraft increases, and Airport Asphalt is made to bear more heavy load actions.In environmental factor and the coupling of load
Under cooperation is used, Airport Asphalt easily occur ageing of asphalt fall off, microcrack, the early diseases such as loose.In addition mismanagement,
Not in time, table ponding slight crack in road is penetrated into asphalt pavement structure sheaf, and Moisture Damage is generated for maintenance, is further exacerbated by the broken of road surface
It is bad, the safety of takeoff and landing is seriously affected, once causing the accident, consequence is hardly imaginable.
Therefore it provides a kind of heavy traffic summer hot-zone Airport Asphalt structure that is suitable for is a problem to be solved.
Utility model content
The purpose of the utility model is to provide one kind to be suitable for heavy traffic summer hot-zone Airport Asphalt structure, by using
The surface layer structures such as modified pitch and bituminous epoxy improve high-temperature stability, water stability and the fatigue resistance in road face.The runway knot
Structure can adapt to big aircraft heavy traffic load requirement, have the anti-rut ability of high temperature.
To achieve the above objectives, the present invention adopts the following technical solutions:
One kind being suitable for heavy traffic summer hot-zone Airport Asphalt structure, sets gradually pad from bottom to up on road base (0)
Layer (1), TGXG (2), gravel-sorted subbase (3), Asphalt Stabilized Macadam layer (4), the Sub-course Asphalt Concrete (5), the
Surface layer (7), the second adhesion coating (8) and bituminous concrete upper layer (9) in one adhesion coating (6), bituminous concrete.
In the above-mentioned technical solutions, the road base top surface modulus of resilience is not less than 30Mpa.
In the above-mentioned technical solutions, used bed course is dirt, and compactness is not less than 15 not less than 96%, CBR value, thickness
Degree is 150mm.
In the above-mentioned technical solutions, used TGXG is three-dimensional geogrid.
In the above-mentioned technical solutions, the crush values of used gravel-sorted subbase, building stones are not more than 23%, compactness
It is not less than 35 not less than 97%, CBR value, with a thickness of 200mm.
In the above-mentioned technical solutions, using ATB-25 Asphalt Stabilized Macadam layer, the crush values of building stones are not more than 23%, compacting
Degree is not less than 100 not less than 97%, CBR value, with a thickness of 150mm.
In the above-mentioned technical solutions, used the Sub-course Asphalt Concrete is coarse grain formula SBS modified asphalt concrete, grade
With for AC-25, SBS modified pitch volume reaches 4.0%, CBR value not less than 100, with a thickness of 60mm.
In the above-mentioned technical solutions, used first adhesion coating is EAC bituminous epoxy, and spreading amount is 0.4~0.6L/m2。
In the above-mentioned technical solutions, surface layer is middle grain formula epoxy asphalt concrete, gradation in used bituminous concrete
For EAC-20, bituminous epoxy volume reaches 5.0%, CBR value not less than 100, with a thickness of 60mm.
In the above-mentioned technical solutions, used second adhesion coating is SMA pitch adhesion coating, and spreading amount is 0.4~0.6L/m2。
In the above-mentioned technical solutions, used bituminous concrete upper layer is particulate formula SMA bitumastic, and gradation is
SMA-13, SMA pitch volume reach 5.5%, CBR value not less than 100, with a thickness of 60mm.
The utility model compared with the prior art, have the following advantages that and the utility model has the advantages that
(1) thicker bitumen layer flexible pavement is used, reducing traditional asphalt, bottom cracks and avoids structural track layer by layer, damages
It is bad to be only limitted to pavement top, therefore only need regularly surface milling, repair, so that bituminous pavement does not need within service life
Big structural reconstruction.
(2) layers of material performance characteristics and structure combining form can satisfy big aircraft under the effect of 50000 subordinate loads
Deform structural behaviour small, that disease is few.
(3) it uses gradation for three layers of asphalt concrete layer of SMA-13, EAC-20, AC-25, ensure that good high temperature is steady
Qualitative and anti-fatigue performance, to reduce at temperature and weather environmental condition since heavy traffic, big axis load act on bring
Damage.
Detailed description of the invention
Fig. 1 is the utility model structure section schematic diagram.
Wherein,
0: road base, 1: bed course, 2: TGXG, 3: gravel-sorted subbase, 4: Asphalt Stabilized Macadam layer, 5: pitch coagulation
Native cutting optimal, 6: the first adhesion coatings, 7: surface layer, 8: the second adhesion coatings, 9 in bituminous concrete: bituminous concrete upper layer.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, combined with specific embodiments below into one
Step illustrates the technical solution of the utility model.
Embodiment one
As shown in Figure 1, a kind of be suitable for heavy traffic summer hot-zone Airport Asphalt structure, on road base 0 from bottom to up according to
Secondary setting bed course 1, TGXG 2, gravel-sorted subbase 3, Asphalt Stabilized Macadam layer 4, the Sub-course Asphalt Concrete 5, first
Surface layer 7, the second adhesion coating 8 and bituminous concrete upper layer 9 in adhesion coating 6, bituminous concrete.
Embodiment two
It is as follows to construct the above-mentioned concrete construction method suitable for heavy traffic summer hot-zone Airport Asphalt structure:
Step 1 is removed surface vegetation, is handled foundation soil, meets the base top surface modulus of resilience not less than 30Mpa；
Step 2 is laid with cushion lime 1, and compactness is not less than 15 not less than 96%, CBR value, with a thickness of 150mm.
Step 3, is laid with three-dimensional geogrid 2, and lap-joint should carry out binding connection；
Step 4 is laid with gravel-sorted subbase 3, and the crush values of building stones are not more than 23%, and compactness is not less than 97%,
CBR value is not less than 35, with a thickness of 200mm；
Step 5 is laid with ATB-25 Asphalt Stabilized Macadam layer 4, and the crush values of building stones are not more than 23%, and compactness is not less than
97%, CBR value are not less than 100, with a thickness of 150mm；
Step 6, pave the Sub-course Asphalt Concrete 5, and using SBS modified asphalt concrete, gradation AC-25, SBS change
Property pitch volume reach 4.0%, CBR value not less than 100, with a thickness of 60mm.
Step 7, dispenses the first adhesion coating of EAC bituminous epoxy 6, and spreading amount is 0.4~0.6L/m2；
Step 8, surface layer 7 in the bituminous concrete that paves, using epoxy asphalt concrete, gradation EAC-20, bituminous epoxy
Volume reaches 5.0%, CBR value not less than 100, with a thickness of 60mm；
Step 9, dispenses the second adhesion coating of SMA pitch 8, and spreading amount is 0.4~0.6L/m2；
Step 10, pave bituminous concrete upper layer 9, and pitch uses SMA modified pitch, gradation SMA-13, and volume reaches
To 5.5%, fiber content 0.3%~0.5%, CBR value is not less than 100, with a thickness of 60mm.
Embodiment three
It is as follows to construct the above-mentioned concrete construction method suitable for heavy traffic summer hot-zone Airport Asphalt structure:
Step 1 is removed surface vegetation, is handled foundation soil, meets the base top surface modulus of resilience not less than 30Mpa；
Step 2 is laid with cushion lime 1, and compactness is not less than 15 not less than 96%, CBR value, with a thickness of 150mm.
Step 3, is laid with three-dimensional geogrid 2, and lap-joint should carry out binding connection；
Step 4 is laid with gravel-sorted subbase 3, and the crush values of building stones are not more than 23%, and compactness is not less than 97%,
CBR value is not less than 35, with a thickness of 200mm；
Step 5 is laid with ATB-25 Asphalt Stabilized Macadam layer 4, and the crush values of building stones are not more than 23%, and compactness is not less than
97%, CBR value are not less than 100, with a thickness of 150mm；
Step 6, pave the Sub-course Asphalt Concrete 5, and using SBS modified asphalt concrete, gradation AC-25, SBS change
Property pitch volume reach 4.5%, CBR value not less than 100, with a thickness of 60mm.
Step 7, dispenses the first adhesion coating of EAC bituminous epoxy 6, and spreading amount is 0.4~0.6L/m2；
Step 8, surface layer 7 in the bituminous concrete that paves, using epoxy asphalt concrete, gradation EAC-20, bituminous epoxy
Volume reaches 5.0%, CBR value not less than 100, with a thickness of 60mm；
Step 9, dispenses the second adhesion coating of SMA pitch 8, and spreading amount is 0.4~0.6L/m2；
Step 10, pave bituminous concrete upper layer 9, and pitch uses SMA modified pitch, gradation SMA-13, and volume reaches
To 5.0%, fiber content 0.3%~0.5%, CBR value is not less than 100, with a thickness of 60mm.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The protection scope of the utility model is each fallen with replacement.
Claims (10)
1. one kind is suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: on road base from bottom to up successively
Bed course (1), TGXG (2), gravel-sorted subbase (3), Asphalt Stabilized Macadam layer (4), the Sub-course Asphalt Concrete are set
(5), the first adhesion coating (6), surface layer (7), the second adhesion coating (8) and bituminous concrete upper layer (9) in bituminous concrete.
2. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
The bed course used is dirt, and compactness is not less than 15 not less than 96%, CBR value, with a thickness of 150mm.
3. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
The TGXG used is three-dimensional geogrid.
4. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
The gravel-sorted subbase of use, the crush values of building stones are not more than 23%, and compactness is not less than 35 not less than 97%, CBR value, thickness
Degree is 200mm.
5. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: adopt
With ATB-25 Asphalt Stabilized Macadam layer, the crush values of building stones are not more than 23%, and compactness is not less than not less than 97%, CBR value
100, with a thickness of 150mm.
6. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
For coarse grain formula SBS modified asphalt concrete, gradation AC-25, SBS modified pitch volume reaches the Sub-course Asphalt Concrete used
It is not less than 100 to 4.0%, CBR value, with a thickness of 60mm.
7. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
For the first adhesion coating used for EAC bituminous epoxy, spreading amount is 0.4~0.6L/m2。
8. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
Surface layer is middle grain formula epoxy asphalt concrete in the bituminous concrete used, gradation EAC-20, and bituminous epoxy volume reaches
5.0%, CBR value are not less than 100, with a thickness of 60mm.
9. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that: institute
For the second adhesion coating used for SMA pitch adhesion coating, spreading amount is 0.4~0.6L/m2。
10. according to claim 1 a kind of suitable for heavy traffic summer hot-zone Airport Asphalt structure, it is characterised in that:
Used bituminous concrete upper layer is particulate formula SMA bitumastic, and gradation SMA-13, SMA pitch volume reaches
5.5%, CBR value are not less than 100, with a thickness of 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821222800.8U CN208803318U (en) | 2018-07-31 | 2018-07-31 | A kind of hot-zone Airport Asphalt structure of heavy traffic summer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821222800.8U CN208803318U (en) | 2018-07-31 | 2018-07-31 | A kind of hot-zone Airport Asphalt structure of heavy traffic summer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804922A (en) * | 2019-10-12 | 2020-02-18 | 江苏增光复合材料科技有限公司 | Airport pavement bonding layer and construction method thereof and airport pavement |
| CN111535169A (en) * | 2020-05-14 | 2020-08-14 | 云南阳光道桥股份有限公司 | Construction method for longitudinal buried drainage of road bridge asphalt layer |
| CN113215904A (en) * | 2021-04-30 | 2021-08-06 | 东南大学 | Anti-stripping asphalt concrete pavement structure for airport pavement and pavement method thereof |
-
2018
- 2018-07-31 CN CN201821222800.8U patent/CN208803318U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110804922A (en) * | 2019-10-12 | 2020-02-18 | 江苏增光复合材料科技有限公司 | Airport pavement bonding layer and construction method thereof and airport pavement |
| CN111535169A (en) * | 2020-05-14 | 2020-08-14 | 云南阳光道桥股份有限公司 | Construction method for longitudinal buried drainage of road bridge asphalt layer |
| CN111535169B (en) * | 2020-05-14 | 2021-08-24 | 云南阳光道桥股份有限公司 | Construction method for longitudinal buried drainage of road bridge asphalt layer |
| CN113215904A (en) * | 2021-04-30 | 2021-08-06 | 东南大学 | Anti-stripping asphalt concrete pavement structure for airport pavement and pavement method thereof |
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