CN109826067A - A kind of New Asphalt Pavement Structures and construction method - Google Patents
A kind of New Asphalt Pavement Structures and construction method Download PDFInfo
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- CN109826067A CN109826067A CN201910132984.1A CN201910132984A CN109826067A CN 109826067 A CN109826067 A CN 109826067A CN 201910132984 A CN201910132984 A CN 201910132984A CN 109826067 A CN109826067 A CN 109826067A
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- skeleton structure
- bitumen layer
- layer
- bitumen
- asphalt pavement
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- 239000010426 asphalt Substances 0.000 title claims abstract description 95
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 abstract description 37
- 239000004567 concrete Substances 0.000 abstract description 23
- 239000011384 asphalt concrete Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011229 interlayer Substances 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The present invention relates to a kind of New Asphalt Pavement Structures and construction methods, it from bottom to up include base, asphalt seal subcoat, bottom surface bitumen layer and surface bitumen layer, bottom surface bitumen layer and surface pitch interlayer are provided with skeleton structure, the bottom of skeleton structure is provided with hollow out bottom plate, and the surrounding of skeleton structure is respectively arranged with location hole.The configuration of the present invention is simple, it is compact to design, (1) is had the following beneficial effects: by changing Asphalt Concrete Structure composition, thus the rigidity for reducing the flexibility of bitumen concrete, improving bitumen concrete；(2) increase skeleton structure in intersection access mouth, skeleton structure is in grid-like and is embedded in bitumen concrete and forms entirety with bitumen concrete, skeleton structure can generate the effect of hoop, package to bitumen concrete, to reduce the lateral deformation of bitumen concrete, the integral rigidity for improving bitumen concrete, slows down the generation of unstability type track.
Description
Technical field
The present invention relates to a kind of New Asphalt Pavement Structures and construction methods, belong to technical field of municipal construction.
Background technique
Track is a kind of common disease of asphalt concrete pavement, according to the different factors that track generates, can be divided into three types:
(1) under vehicular load repeated action and environmental factor combined influence, the aggregate in bitumen concrete progressively disengages structure sheaf, road surface
There is spill defect, asphalt concrete pavement is caused to generate track, this kind of track is known as wear pattern track；(2) geology bad section
Base processing is not thorough or roadbed material is bad or compactness is insufficient or road surface base layer material intensity deficiency etc., causes ground, road
Base, base's integral strength are insufficient, under vehicular load repeated action and environmental factor combined influence, base, roadbed and ground
Depression is gradually appeared, asphalt concrete pavement is caused to generate track, this kind of track is known as structural type track；(3) high temperature or rainy season,
Under vehicular load repeated action and environmental factor combined influence, asphalt surface course gradually loses stability, vehicle driving trace
Center pavement depression, the arch camber of two sides road surface, cause asphalt concrete pavement to generate track, this kind of track is known as unstability type track.
Using quality materials such as modified pitch, wear pattern track can be coped with.Well-designed and strict construction can cope with
Structural type track.Currently, the common track of asphalt concrete pavement is mainly unstability type track.For unstability type track, common side
Method has: using modified pitch；Add anti-rut agent.It is more original using the bitumen concrete after modified pitch and addition anti-rut agent
Bitumen concrete, performance truly has raising, but the effect is unsatisfactory, and track disease still occurs in asphalt concrete pavement.To find out its cause, using
Bitumen concrete after modified pitch and addition anti-rut agent, structure composition do not have larger change, still belong to flexible pavement.
Summary of the invention
The purpose of the present invention is to solve the above problem, provide that a kind of structure is simple, novel asphalt compact to design
Pavement structure and construction method.
The present invention adopts the following technical scheme: a kind of New Asphalt Pavement Structures, include sealing under base, pitch from bottom to up
Layer, bottom surface bitumen layer and surface bitumen layer, the bottom surface bitumen layer and surface pitch interlayer are provided with skeleton structure, the skeleton
The bottom of structure is provided with hollow out bottom plate, and the surrounding of the skeleton structure is respectively arranged with location hole.
Further, the bottom surface bitumen layer with a thickness of 8cm.
Further, the surface bitumen layer with a thickness of 4cm.
Further, the skeleton structure is in grid-like, and the height of the skeleton structure is 7cm.
Further, the hollow-out part of the skeleton structure is triangle, rectangle or polygon.
Further, the skeleton structure is set to the entrance driveway position of intersection.
The construction method of New Asphalt Pavement Structures, includes the following steps:
(1) New Asphalt Pavement Structures include base, asphalt seal subcoat, bottom surface bitumen layer and surface bitumen layer from bottom to up, are opened
Begin after the completion of base, asphalt seal subcoat are constructed from bottom to up first when construction, the entrance driveway wheelmark range in intersection is laid
Skeleton structure, and four location holes of skeleton structure are sequentially fixed at substrate top surface, skeleton structure is in grid-like, the skeleton
The height of structure is 7cm, and the hollow-out part of skeleton structure is triangle, rectangle or polygon；
(2) it is poured in skeleton structure upper surface and spills sticking layer oil, then paving thickness is the bottom surface bitumen layer of 8cm, by bottom surface bitumen layer
Grinding compacting makes bottom surface bitumen layer and skeleton structure form entirety；
(3) it is poured in the bitumen layer of bottom surface and spills sticking layer oil, paving thickness is the surface bitumen layer of 4cm in the bitumen layer of bottom surface；
(4) smooth-riding surface, construction finish.
The configuration of the present invention is simple, it is compact to design, have the following beneficial effects: that (1) is formed by changing Asphalt Concrete Structure, from
And it reduces the flexibility of bitumen concrete, improve the rigidity of bitumen concrete；(2) increase skeleton structure in intersection access mouth, skeleton structure is in
Grid-like and be embedded in bitumen concrete and form entirety with bitumen concrete, skeleton structure can generate hoop, package to bitumen concrete
Effect, to reduce the lateral deformation of bitumen concrete, improves the integral rigidity of bitumen concrete, slows down the generation of unstability type track；Skeleton
Structural base has hollow out bottom plate, and the stress that scattering vehicles load generates reduces the accumulation of base's stress, and depression slows down in protection base.
Detailed description of the invention
Fig. 1 is the schematic diagram of asphalt pavement structure of the invention.
Fig. 2 is skeleton structure schematic diagram of the invention.
Fig. 3 is the vehicle driving trace figure on Cost of New Type Asphalt Pavement of the invention.
Appended drawing reference: base 1, asphalt seal subcoat 2, bottom surface bitumen layer 3, surface bitumen layer 4, skeleton structure 5, location hole 6.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
As Figure 1-Figure 2, a kind of New Asphalt Pavement Structures include base 1, asphalt seal subcoat 2, bottom surface from bottom to up
Bitumen layer 3 and surface bitumen layer 4 are provided with skeleton structure 5, the bottom of skeleton structure 5 between bottom surface bitumen layer 3 and surface bitumen layer 4
Portion is provided with hollow out bottom plate, and the surrounding of skeleton structure 5 is respectively arranged with location hole 6, bottom surface bitumen layer 3 with a thickness of 8cm, surface
Bitumen layer 4 with a thickness of 4cm, for skeleton structure 5 in grid-like, the height of skeleton structure 5 is 7cm, the hollow-out part of skeleton structure 5
For triangle, rectangle or polygon, skeleton structure 5 is set to the entrance driveway position of intersection.The length of skeleton structure 5 is
100cm(is free of baseplate width) or it is longer；The width of skeleton structure 5 is that 80cm(is free of baseplate width) left and right, skeleton structure 5
Thickness is slightly smaller than the bitumen concrete thickness of set layer position, and such as bitumen concrete of set layer position is 6 with a thickness of 8cm, the height of skeleton structure 5
~7cm；5 four jiaos of skeleton structure have fixation hole, aperture 1cm.Skeleton structure 5 uses HDPE material, and surface galling processing is over-the-counter pre-
System.
The construction method of New Asphalt Pavement Structures, includes the following steps:
(1) after the completion of base 1, asphalt seal subcoat 2 being constructed from bottom to up first, the entrance driveway wheelmark range in intersection is laid
Skeleton structure, and four location holes 6 of skeleton structure 5 are sequentially fixed at substrate top surface；
(2) it is poured in 5 upper surface of skeleton structure and spills sticking layer oil, then paving thickness is the bottom surface bitumen layer 3 of 8cm, by bottom surface pitch
3 grinding compacting of layer, make bottom surface pitch 3 and skeleton structure 5 form entirety；
(3) it is poured in bottom surface bitumen layer 3 and spills sticking layer oil, paving thickness is the surface bitumen layer 4 of 4cm in bottom surface bitumen layer 3；
(4) smooth-riding surface, construction finish.
Nearly all there is different degrees of unstability type track in all intersection motor vehicle entrance driveway.Newly-built road is handed over
Prong motor vehicle entrance driveway, road surface are all smooth intact；It is open to traffic after a period of time, intersection motor vehicle entrance driveway will go out
Why now different degrees of track will form this waveform track, and the driving trace with vehicle in crossing inlet road closes
System is close, as shown in figure 3, motor vehicle in crossing inlet road, especially forbids the section of motor vehicle change lane, in figure
Lane line (solid line) area, otherwise motor vehicle can only just violate traffic method along relatively-stationary route running, in this feelings
Under condition, the driving trace of motor vehicle is relatively fixed, such as the wheelmark range (slash shadow region) in figure.Bitumen concrete within the scope of wheelmark
It rolls repeatedly, and the bitumen concrete in other ranges is hardly rolled, the formation for directly resulting in waveform unstability type track is used
Asphalt pavement structure in the present invention can be such that unstability type track obtains effectively under the premise of not losing bitumen concrete basic performance
Ground solves.
Claims (7)
1. a kind of New Asphalt Pavement Structures, it is characterised in that: from bottom to up include base (1), asphalt seal subcoat (2), bottom surface
Bitumen layer (3) and surface bitumen layer (3) are provided with skeleton structure (5) between the bottom surface bitumen layer (3) and surface bitumen layer (4),
The bottom of the skeleton structure (5) is provided with hollow out bottom plate, and the surrounding of the skeleton structure (5) is respectively arranged with location hole (6).
2. New Asphalt Pavement Structures as described in claim 1, it is characterised in that: the bottom surface bitumen layer (3) with a thickness of
8cm。
3. New Asphalt Pavement Structures as described in claim 1, it is characterised in that: the surface bitumen layer (3) with a thickness of
4cm。
4. New Asphalt Pavement Structures as described in claim 1, it is characterised in that: the skeleton structure (5) is in grid-like, institute
The height for stating skeleton structure (5) is 7cm.
5. New Asphalt Pavement Structures as claimed in claim 4, it is characterised in that: the hollow-out part of the skeleton structure (5)
For triangle, rectangle or polygon.
6. New Asphalt Pavement Structures as described in claim 1, it is characterised in that: the skeleton structure (5) is set to intersection
The entrance driveway position of mouth.
7. the construction method of New Asphalt Pavement Structures described in claim 1, characterized by the following steps:
(1) New Asphalt Pavement Structures include base (1), asphalt seal subcoat (2), bottom surface bitumen layer (3) and surface from bottom to up
Bitumen layer (3), after the completion of base (1), asphalt seal subcoat (2) are constructed from bottom to up first when starting construction, in intersection
Entrance driveway wheelmark range lays skeleton structure (5), and four location holes (6) of skeleton structure (5) are sequentially fixed at base top
Face, for skeleton structure (5) in grid-like, the height of the skeleton structure (5) is 7cm, and the hollow-out part of skeleton structure (5) is triangle
Shape, rectangle or polygon；
(2) it is poured in skeleton structure (5) upper surface and spills sticking layer oil, then paving thickness is the bottom surface bitumen layer (3) of 8cm, by bottom surface
Bitumen layer (3) grinding compacting forms bottom surface bitumen layer (3) and skeleton structure (5) whole；
(3) it is poured on bottom surface bitumen layer (3) and spills sticking layer oil, paving thickness is the surface pitch of 4cm on bottom surface bitumen layer (3)
Layer；
(4) smooth-riding surface, construction finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132984.1A CN109826067A (en) | 2019-02-22 | 2019-02-22 | A kind of New Asphalt Pavement Structures and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132984.1A CN109826067A (en) | 2019-02-22 | 2019-02-22 | A kind of New Asphalt Pavement Structures and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109826067A true CN109826067A (en) | 2019-05-31 |
Family
ID=66864186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132984.1A Pending CN109826067A (en) | 2019-02-22 | 2019-02-22 | A kind of New Asphalt Pavement Structures and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109826067A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581476Y (en) * | 2002-10-28 | 2003-10-22 | 李兰英 | Road surface structural layer |
| EP2035626A2 (en) * | 2006-07-04 | 2009-03-18 | Mdb Texinov Sa | Composite reinforcement or geotextile product and its manufacturing process |
| CN201214744Y (en) * | 2008-06-04 | 2009-04-01 | 南通新建市政工程有限公司 | Novel highway pavement |
| CN108193597A (en) * | 2018-03-13 | 2018-06-22 | 长沙慧桥科技有限公司 | A kind of high-performance steel bridge floor structure |
-
2019
- 2019-02-22 CN CN201910132984.1A patent/CN109826067A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2581476Y (en) * | 2002-10-28 | 2003-10-22 | 李兰英 | Road surface structural layer |
| EP2035626A2 (en) * | 2006-07-04 | 2009-03-18 | Mdb Texinov Sa | Composite reinforcement or geotextile product and its manufacturing process |
| CN201214744Y (en) * | 2008-06-04 | 2009-04-01 | 南通新建市政工程有限公司 | Novel highway pavement |
| CN108193597A (en) * | 2018-03-13 | 2018-06-22 | 长沙慧桥科技有限公司 | A kind of high-performance steel bridge floor structure |
Non-Patent Citations (1)
| Title |
|---|
| 陈长慧: "玻纤格栅及其在城市沥青道路改造工程中的应用", 《苏州大学学报》 * |
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Application publication date: 20190531 |