CN207685618U - A kind of Old cement concrete transform asphalt pavement structure as - Google Patents
A kind of Old cement concrete transform asphalt pavement structure as Download PDFInfo
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- CN207685618U CN207685618U CN201721735225.7U CN201721735225U CN207685618U CN 207685618 U CN207685618 U CN 207685618U CN 201721735225 U CN201721735225 U CN 201721735225U CN 207685618 U CN207685618 U CN 207685618U
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Abstract
The utility model discloses a kind of Old cement concretes to transform asphalt pavement structure as, including lime-soil base, anti-splitting paster and cement concrete pavement layer, the lime-soil base is equipped with cement concrete pavement layer, crack slot is equipped in the cement concrete pavement layer, the cement concrete pavement layer is equipped with anti-splitting paster, downside is arranged among anti-splitting paster in the crack slot, the anti-splitting paster is equipped with rubber asphalt stress absorbing layer, the rubber asphalt stress absorbing layer is equipped with the second emulsified asphalt adhesion coating, the second emulsified asphalt adhesion coating is equipped with 20C layers of SBS modified asphalt concrete AC, the SBS modified asphalt concretes AC 20C layers are equipped with the first emulsified asphalt adhesion coating, the first emulsified asphalt adhesion coating is equipped with 13 layers of stone mastic asphalt SMA.The utility model improves road surface rutting resistance, anti-slide performance, greatly prolongs service life of road surface by reinforcing Deteriorated concrete pavement Disease Processing, being laid with Anticracking plaster, making rubber stress absorbing layer and using high performance modified bitumen mixture.
Description
Technical field
The utility model is related to Deteriorated concrete pavement pavement of road face layer renovation technique field, specifically a kind of old cement is mixed
Solidifying soil surface transform asphalt pavement structure as.
Background technology
Cement concrete pavement is also known as white pavement, because it is with the spies such as intensity height, long lifespan, easy construction, at low cost
Point was once the common pavement structure form of urban road.But with the development of the city, the volume of traffic increases severely, cement concrete pavement
Noise is big, the shortcomings of plate stitch is jolted, road-ability is poor, repair is long in time limit is increasingly prominent, therefore being adopted each city in recent years more
It is transformed with the way of Paving Bituminous Concrete face layer（It is commonly called as asphalt plus concrete road）, both it had been avoided that excavating old pavement caused
The wasting of resources, but the performances such as antiskid, noise reduction, durability and road-ability that can make pavement of road face layer obtain greatly
Improve.At present when morning-night is transformed, majority is direct making asphalt concrete pavement, technique on Old cement concrete
Simply, gradually show following two problems in use：First, Old cement concrete crack and plate stitch do not carry out spy
Different processing, causes Asphalt Concrete Overlay reflection crack easily occur；Second is that cement concrete is rigid base, do not have good
Load, stress and deformation diffusivity, cause Asphalt Concrete Overlay track easily occur.
Utility model content
The purpose of this utility model is to provide a kind of Old cement concretes to transform asphalt pavement structure as, to solve
The problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions：
A kind of Old cement concrete transform asphalt pavement structure, including lime-soil base, asphalt-mastic-broken stone as
SMA-13 layers of mixture, the first emulsified asphalt adhesion coating, AC-20C layers of SBS modified asphalt concretes, the second emulsified asphalt adhesion coating, rubber
Glue pitch stress absorbing layer, anti-splitting paster and cement concrete pavement layer, the lime-soil base are equipped with cement concrete pavement layer, the Cement Concrete
Block is filled up equipped with cement concrete, it is identical as cement concrete pavement layer height that the cement concrete fills up block, the cement in the layer of face
Concrete is filled up and is equipped with pull rod between block and cement concrete pavement layer, a diameter of 25mm of pull rod, and the pull rod setting is mixed in cement
Solidifying soil fills up block and cement concrete pavement layer centre position, and the cement concrete fills up block using flexural strength not less than 4.5Mpa's
Cement concrete, the cement concrete pavement layer is interior to be equipped with crack slot, and the cement concrete pavement layer is equipped with anti-splitting paster, and the crack slot is set
The downside among anti-splitting paster is set, the anti-splitting paster is equipped with rubber asphalt stress absorbing layer, the rubber asphalt stress absorbing layer
It is equipped with the second emulsified asphalt adhesion coating, the second emulsified asphalt adhesion coating is equipped with AC-20C layers of SBS modified asphalt concretes, institute
It states SBS modified asphalt concrete AC-20C layers and is equipped with the first emulsified asphalt adhesion coating, the first emulsified asphalt adhesion coating is equipped with
SMA-13 layers of stone mastic asphalt, the anti-splitting paster use high load capacity high-strength composite self-adhesive film, structure packet
Include three layers：Middle layer is flexible highdensity pitch, and upper layer is one layer of heat-resisting, high intensity woven polyester reinforcement fabric, lower layer
It is one layer of heat-resisting non-textile polyester fabric for carrying self-adhesion modified poly body pitch.
As further program of the utility model：The anti-splitting paster width is 50cm.
As the utility model further scheme：The crack groove depth is the 2/3 of cement concrete pavement layer thickness, described
Crack well width is 1.5-2cm.
As the utility model further scheme：The SBS modified asphalt concretes AC-20C layer thickness is 6cm.
As the utility model further scheme：The stone mastic asphalt SMA-13 layer thickness is
4cm。
As the utility model further scheme：The rubber asphalt stress absorption layer thickness is 1cm.
Compared with prior art, the utility model has the beneficial effects that：The utility model is by reinforcing Deteriorated concrete pavement
Disease Processing is laid with Anticracking plaster, making rubber stress absorbing layer and uses this series of measures of high performance modified bitumen mixture,
The appearance of the development and reflection crack in effective containment crack, while improving the usability such as road surface rutting resistance, anti-slide performance
Can, service life of road surface is greatly prolonged, there are huge economic results in society.
Description of the drawings
Fig. 1 is the structural schematic diagram that Old cement concrete transform asphalt pavement structure as.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of Old cement concrete transform asphalt pavement structure as,
It is mixed including lime-soil base 1, stone mastic asphalt SMA-13 layers 2, the first emulsified asphalt adhesion coating 3, SBS modified pitch
Solidifying soil AC-20C layers 4, the second emulsified asphalt adhesion coating 5, rubber asphalt stress absorbing layer 6, anti-splitting paster 7 and cement concrete pavement layer 8, it is described
Lime-soil base 1 is equipped with cement concrete pavement layer 8, and the cement concrete pavement layer 8 is interior to fill up block 10, the cement equipped with cement concrete
Concrete fills up that block 10 is identical as 8 height of cement concrete pavement layer, and the cement concrete is filled up between block 10 and cement concrete pavement layer 8 and set
There is pull rod 11, bonded by epoxy resin, 11 a diameter of 25mm of the pull rod, the setting of the pull rod 11 is filled up in cement concrete
Block 10 and 8 centre position of cement concrete pavement layer, the cement concrete fill up the water that block 10 is not less than 4.5Mpa using flexural strength
Cement concrete, the cement concrete pavement layer 8 is interior to be equipped with crack slot 9, using aggregate chips and the epoxy resin cementation of fissures, the cement concrete pavement layer 8
It is equipped with anti-splitting paster 7, on the downside of 7 centre of anti-splitting paster, the anti-splitting paster width is 50cm, the crack for the setting of crack slot 9
9 depth of slot is the 2/3 of 8 thickness of cement concrete pavement layer, and 9 width of crack slot is 1.5-2cm, and the anti-splitting paster 7 is equipped with rubber
Pitch stress absorbing layer 6,6 thickness of rubber asphalt stress absorbing layer are 1cm, are set on the rubber asphalt stress absorbing layer 6
There are the second emulsified asphalt adhesion coating 5, the second emulsified asphalt adhesion coating 5 to be equipped with SBS modified asphalt concretes AC-20C layers 4, institute
It is 6cm to state 4 thickness of SBS modified asphalt concretes AC-20C layers, and the SBS modified asphalt concretes AC-20C layers 4 are equipped with the
One emulsified asphalt adhesion coating 3, the first emulsified asphalt adhesion coating 3 is equipped with stone mastic asphalt SMA-13 layers 2, described
2 thickness of stone mastic asphalt SMA-13 layers is 4cm, and the anti-splitting paster 7 uses high load capacity high-strength composite self-adhesion
Film, structure include three layers：Middle layer is flexible highdensity pitch, and upper layer is that one layer of heat-resisting, high intensity woven polyester adds
Strong fabric, lower layer are one layer of heat-resisting non-textile polyester fabrics for carrying self-adhesion modified poly body pitch, have following larger resist
Tensile strength can effectively offset tensile stress at crack, reinforce crack and limit its development；There is good low temperature flexibility simultaneously
Can, energy dissipating cushioning effect is played, it is effective to absorb seam crossing temperature contracting deformation；In addition it can play the role of water proof antiseepage, prevent road surface
Structure intermediary water is permeated downwards by crack or seam, is kept the drying of sub-surface, is effectively avoided the generation of Moisture Damage phenomenon.
When the utility model is used, whole milling is carried out to old pavement first, eliminates slight crack and plate faulting of slab ends, and
Surface laitance is removed, makes face layer aggregate particle partial denudation, increases the contact area and cohesive force with bitumen layer thereon, to moderate
Crack is expanded using groover after seam tamps crack slot 9 with cleaning aggregate chips with mixture of epoxy resins；To severe crack and disconnected plate, edge
Present situation pavement joint is not less than 4.5Mpa using flexural strength cement concrete after excavating cement concrete slab pours again；
When base is also crushed, Shang Yingxian uses cement stabilized macadam after excavating damaged base（Area is larger to can be used machine spreading
When）Or C20 cement concretes（Local small area）It changes and fills out, Deteriorated concrete pavement plate seam is fully erased clean by old joint sealing material
Again secondly the cementation of fissures afterwards is laid with water-proofing anticracking patch 7 in crack and plate seam crossing, all technical of anti-splitting paster 7 should meet
《Asphalt overlay polymer modified asphalt anti-splitting paster》Regulation；Be laid with anti-splitting paster 7 when it is ensured that road surface cleaning drying, and
It is rolled repeatedly using pneumatic-tired rollers, it is ensured that anti-splitting paster is finally laid with steady in tight, combining closely with road surface of unfolding completely
Sizing rubber stress absorption, 6, rubber asphalt is uniformly sprayed using distribution vehicle, single particle size rubble is uniformly dispensed thereon and uses
Pneumatic-tired rollers grinding compacting removes thereafter not glued rubble, and avoiding extra building stones from forming weak intercalated layer influences and upper layer
Caking property, in this transformation, asphalt overlay is designed as two layers, overall thickness 10cm, and cutting optimal is 6cm thickness SBS modified pitch
Concrete C-20C layers 4, upper layer are 4cm thickness stone mastic asphalt SMA-13 layers 2, utilize modified asphalt mixture
Excellent performance, effectively improve the performances such as rutting resistance, anti-slide performance, water stability and the durability of overlay.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of Old cement concrete transform asphalt pavement structure, including lime-soil base as（1）, asphalt-mastic-broken stone
SMA-13 layers of mixture（2）, the first emulsified asphalt adhesion coating（3）, AC-20C layers of SBS modified asphalt concretes（4）, second emulsification drip
Green adhesion coating（5）, rubber asphalt stress absorbing layer（6）, anti-splitting paster（7）And cement concrete pavement layer（8）, which is characterized in that the lime
Soil matrix layer（1）It is equipped with cement concrete pavement layer（8）, the cement concrete pavement layer（8）It is interior to fill up block equipped with cement concrete（10）, described
Cement concrete fills up block（10）With cement concrete pavement layer（8）Highly identical, the cement concrete fills up block（10）With Cement Concrete
Face layer（8）Between be equipped with pull rod（11）, the pull rod（11）A diameter of 25mm, the pull rod（11）Setting is filled out in cement concrete
Patch（10）With cement concrete pavement layer（8）Centre position, the cement concrete fill up block（10）It is not less than using flexural strength
Cement concrete pavement layer described in the cement concrete of 4.5Mpa（8）It is interior to be equipped with crack slot（9）, the cement concrete pavement layer（8）It is equipped with anti-
Split patch（7）, the crack slot（9）It is arranged in anti-splitting paster（7）Intermediate downside, the anti-splitting paster（7）It is equipped with rubber asphalt stress
Absorbed layer（6）, the rubber asphalt stress absorbing layer（6）It is equipped with the second emulsified asphalt adhesion coating（5）, second emulsified asphalt
Adhesion coating（5）It is equipped with AC-20C layers of SBS modified asphalt concretes（4）, AC-20C layers of the SBS modified asphalt concretes（4）On
Equipped with the first emulsified asphalt adhesion coating（3）, the first emulsified asphalt adhesion coating（3）It is equipped with stone mastic asphalt SMA-
13 layers（2）, the anti-splitting paster（7）Using high load capacity high-strength composite self-adhesive film, structure includes three layers：Middle layer is flexible
Highdensity pitch, upper layer are one layer of heat-resisting, high intensity woven polyester reinforcement fabrics, and lower layer is one layer with poly- from adhered modification
The heat-resisting non-textile polyester fabric of fit pitch.
2. Old cement concrete according to claim 1 transform asphalt pavement structure as, which is characterized in that described anti-
Split patch（7）Width is 50cm.
3. Old cement concrete according to claim 1 transform asphalt pavement structure as, which is characterized in that described to split
Slot（9）Depth is cement concrete pavement layer（8）The 2/3 of thickness, the crack slot（9）Width is 1.5-2cm.
4. Old cement concrete according to claim 1 transform asphalt pavement structure as, which is characterized in that described
AC-20C layers of SBS modified asphalt concretes（4）Thickness is 6cm.
5. Old cement concrete according to claim 1 transform asphalt pavement structure as, which is characterized in that the drip
Green mastic-broken stone mixture SMA-13 layers（2）Thickness is 4cm.
6. Old cement concrete according to claim 1 transform asphalt pavement structure as, which is characterized in that the rubber
Glue pitch stress absorbing layer（6）Thickness is 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735225.7U CN207685618U (en) | 2017-12-13 | 2017-12-13 | A kind of Old cement concrete transform asphalt pavement structure as |
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|---|---|---|---|
| CN201721735225.7U CN207685618U (en) | 2017-12-13 | 2017-12-13 | A kind of Old cement concrete transform asphalt pavement structure as |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144787A (en) * | 2019-05-15 | 2019-08-20 | 江苏阜光工程新技术有限公司 | A kind of super construction technology for gluing ultra-thin stress absorbing layer |
| CN110965415A (en) * | 2019-12-21 | 2020-04-07 | 福建誉洲建设有限公司 | Method for widening and transforming old concrete pavement |
| CN112779835A (en) * | 2020-12-30 | 2021-05-11 | 同济大学 | Anti-reflection crack road surface structure based on flexible transformation of rigid road surface |
| CN113026469A (en) * | 2021-03-25 | 2021-06-25 | 义乌浩盛新材料有限公司 | Stress relieving pavement |
-
2017
- 2017-12-13 CN CN201721735225.7U patent/CN207685618U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144787A (en) * | 2019-05-15 | 2019-08-20 | 江苏阜光工程新技术有限公司 | A kind of super construction technology for gluing ultra-thin stress absorbing layer |
| CN110965415A (en) * | 2019-12-21 | 2020-04-07 | 福建誉洲建设有限公司 | Method for widening and transforming old concrete pavement |
| CN112779835A (en) * | 2020-12-30 | 2021-05-11 | 同济大学 | Anti-reflection crack road surface structure based on flexible transformation of rigid road surface |
| CN113026469A (en) * | 2021-03-25 | 2021-06-25 | 义乌浩盛新材料有限公司 | Stress relieving pavement |
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Address after: 255000 No.15, Renmin West Road, Zhangdian District, Zibo City, Shandong Province Patentee after: Zibo planning and Design Institute Co.,Ltd. Address before: 255000 No.15, Renmin West Road, Zhangdian District, Zibo City, Shandong Province Patentee before: ZIBO URBAN PLANNING DESIGN INSTITUTE |