CN206328651U - A kind of combined type Semi-Rigid Pavement Structure - Google Patents
A kind of combined type Semi-Rigid Pavement Structure Download PDFInfo
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- CN206328651U CN206328651U CN201621146788.8U CN201621146788U CN206328651U CN 206328651 U CN206328651 U CN 206328651U CN 201621146788 U CN201621146788 U CN 201621146788U CN 206328651 U CN206328651 U CN 206328651U
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- pavement structure
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Abstract
The utility model belongs to road pavement layer technical field, it particularly relates to a kind of combined type Semi-Rigid Pavement Structure.The pavement structure includes roadbed, Asphalt Stabilized Macadam layer, bituminous epoxy water-proof tack coat, roller-com pacted concrete layer, aqueous epoxy resins emulsified asphalt slurry layer and cement emulsified asphalt mortar layer from bottom to top；The roller-com pacted concrete layer is horizontally spaced about the vertical composite filled layer of pitch water-loss reducer.Compared with prior art, combined type Semi-Rigid Pavement Structure pitch described in the utility model wooden unit thinking, the good advantage of the effective rigidity for having played cement concrete pavement, surface layer using cement emulsified asphalt mortar can effectively avoid layer by layer bituminous paving high temperature easily trickle low-temperature embrittleness the problem of.
Description
Technical field
The utility model belongs to road pavement layer technical field, it particularly relates to a kind of combined type semi-rigid pavement knot
Structure.
Technical background
With the rapid economic development of China in recent years, the progressively increasing of infrastructure construction dynamics, highway and one
The key content of Facilities Construction has also obtained great development based on level highway.The advantage of bituminous paving phase is to drive a vehicle to relax
Adaptive is good, last a long time, later stage reparation maintenance is convenient etc..But the paving structure of bituminous paving result in current bituminous paving car
Rut, crack disaster take place frequently, and have badly influenced the use on road surface.And cement pavement is rigidly good, good stability the advantages of also obtain
Extensive use.But cement pavement seam is more, maintenance repairs the problems such as difficult, road-ability is poor and is also unfavorable for modern friendship
Logical development aim.
In order to solve the deficiency in above two road surface, the mode mainly taken at present have increase bituminous paving thickness,
The modes such as asphaltum concrete cover-layer of mating formation on cement concrete pavement, but above two road surface still can not effectively play two kinds of roads
The advantage in face, evades the deficiency on two kinds of road surfaces.
The content of the invention
To solve problem above, it is semi-rigid that the utility model provides the combined type that a kind of road-ability is good, be easy to conserve
Pavement structure.
Combined type Semi-Rigid Pavement Structure described in the utility model, the pavement structure includes roadbed 1, drip from bottom to top
Blue or green stabilization gravel layer 2, bituminous epoxy water-proof tack coat 3, roller-com pacted concrete layer 4, aqueous epoxy resins emulsified asphalt slurry
Layer 6 and cement emulsified asphalt mortar layer 7；The roller-com pacted concrete layer 4 is horizontally spaced about vertical pitch water-loss reducer
Composite filled layer 5.
Combined type Semi-Rigid Pavement Structure described in the utility model, the thickness of roadbed 1 is 150~200mm.
Combined type Semi-Rigid Pavement Structure described in the utility model, the Asphalt Stabilized Macadam layer 2 is 100~150mm
The broken layer of AC-25C type pitches of thickness, porosity is 3~6%, and pitch used is 5% SBS modified asphalt, and bitumen aggregate ratio is
4.9%, the anti-rut that pitch amount 5% is added during mixing and stirring splits agent.
Combined type Semi-Rigid Pavement Structure described in the utility model, the thickness of bituminous epoxy water-proof tack coat 3 be 5~
10mm。
Combined type Semi-Rigid Pavement Structure described in the utility model, the roller-com pacted concrete 4 thickness of layer are 120~
150mm。
Combined type Semi-Rigid Pavement Structure described in the utility model, the composite filled layer 5 of pitch water-loss reducer is 90# bases
Matter pitch and polyacrylamide-Polyacrylamide Composite, the matter of polyacrylamide-polyacrylamide and 90# matrix pitches
Amount is than being 1:5~1:Between 8.
Combined type Semi-Rigid Pavement Structure described in the utility model, the aqueous epoxy resins emulsified asphalt slurry layer 6
It is by with certain from emulsified SBS modified asphalt, cement, fine aggregate, aqueous epoxy resin emulsion, swelling agent, defoamer, aluminium powder
Formed than mix.
Combined type Semi-Rigid Pavement Structure described in the utility model, the cement emulsified asphalt mortar layer 7 is by emulsifying
SBS modified pitch, swelling agent and particulate formula building stones mix are formed.
Compared with prior art, the advantage of combined type Semi-Rigid Pavement Structure described in the utility model is：The structure
The cement emulsified asphalt mortar of use layer by layer structure there is provided rational intensity, elasticity, durability, road-ability and friction
Power, and it is easy to maintenance to mat formation with secondary, the problems such as structure also effectively reduces rut and the cracking of bituminous paving appearance；Should
Roller-com pacted concrete layer in structure, the composite filled layer interphase structure of pitch water-loss reducer, when temperature is higher inside water-loss reducer
Water liquid is presented, the water freezing when temperature is too low in the winter time inside water-loss reducer, volumetric expansion can effectively alleviate cement road
Face is expanded with heat and contract with cold caused crack.In addition, water-loss reducer water absorption can reach 200%, when road table water penetration to concrete layer
When, water-loss reducer can play sealing function with water swelling, effectively solve cement concrete cracks seepage problem.
Brief description of the drawings：
Fig. 1：Combined type Semi-Rigid Pavement Structure figure；1- roadbeds, 2- Asphalt Stabilized Macadams layer, 3- bituminous epoxy water-proof bindings
Layer, 4- roller-com pacted concretes layer, the composite filled layer of 5- pitch water-loss reducers, 6- aqueous epoxy resins emulsified asphalt slurry layer, 7-
Cement emulsified asphalt mortar layer.
Embodiment
Combined type Semi-Rigid Pavement Structure described in the utility model is made furtherly with reference to specific embodiment
It is bright, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of combined type Semi-Rigid Pavement Structure, the pavement structure includes roadbed 1, Asphalt Stabilized Macadam layer from bottom to top
2nd, bituminous epoxy water-proof tack coat 3, roller-com pacted concrete layer 4, aqueous epoxy resins emulsified asphalt slurries layer 6 and cement-emulsified
Tar sand pulp layer 7；The roller-com pacted concrete layer 4 is horizontally spaced about the composite filled layer 5 of vertical pitch water-loss reducer.Institute
The thickness of roadbed 1 is stated for 150mm.The Asphalt Stabilized Macadam layer 2 is the broken layer of AC-25C type pitches of 100mm thickness, and porosity is
3%, pitch used is 5% SBS modified asphalt, and bitumen aggregate ratio is 4.9%, and pitch amount 5% is added during mixing and stirring
Anti- rut splits agent.The thickness of bituminous epoxy water-proof tack coat 3 is 5mm.4 thickness of the roller-com pacted concrete layer are 120mm.Institute
It is 90# matrix pitches and polyacrylamide-Polyacrylamide Composite, polyacrylamide to state the composite filled layer 5 of pitch water-loss reducer
Amine-polyacrylamide is 1 with the mass ratio of 90# matrix pitches:5.The aqueous epoxy resins emulsified asphalt slurry layer 6 is by breast
SBS modified pitch, cement, fine aggregate, aqueous epoxy resin emulsion, swelling agent, defoamer, aluminium powder press certain match ratio mix
Form.The cement emulsified asphalt mortar layer 7 is formed by emulsified SBS modified asphalt, swelling agent and particulate formula building stones mix.
Embodiment 2
A kind of combined type Semi-Rigid Pavement Structure, the pavement structure includes roadbed 1, Asphalt Stabilized Macadam layer from bottom to top
2nd, bituminous epoxy water-proof tack coat 3, roller-com pacted concrete layer 4, aqueous epoxy resins emulsified asphalt slurries layer 6 and cement-emulsified
Tar sand pulp layer 7；The roller-com pacted concrete layer 4 is horizontally spaced about the composite filled layer 5 of vertical pitch water-loss reducer.Institute
State the thickness of roadbed 1 200mm.The Asphalt Stabilized Macadam layer 2 is the broken layer of AC-25C type pitches of 150mm thickness, and porosity is 6%,
Pitch used is 5% SBS modified asphalt, and bitumen aggregate ratio is 4.9%, and the anti-rut of pitch amount 5% is added during mixing and stirring
Split agent.The thickness of bituminous epoxy water-proof tack coat 3 is 10mm.4 thickness of the roller-com pacted concrete layer are 150mm.It is described
The composite filled layer 5 of pitch water-loss reducer is 90# matrix pitches and polyacrylamide-Polyacrylamide Composite, polyacrylamide-
Polyacrylamide is 1 with the mass ratio of 90# matrix pitches:Between 8.Aqueous epoxy resins emulsified asphalt slurry layer 6 be by
Emulsified SBS modified asphalt, cement, fine aggregate, aqueous epoxy resin emulsion, swelling agent, defoamer, aluminium powder are mixed by certain match ratio
Conjunction is formed.The cement emulsified asphalt mortar layer 7 is formed by emulsified SBS modified asphalt, swelling agent and particulate formula building stones mix.
Compared with prior art, the advantage of combined type Semi-Rigid Pavement Structure described in the utility model is：The structure
The cement emulsified asphalt mortar of use layer by layer structure there is provided rational intensity, elasticity, durability, road-ability and friction
Power, and it is easy to maintenance to mat formation with secondary, the problems such as structure also effectively reduces rut and the cracking of bituminous paving appearance；Should
Roller-com pacted concrete layer in structure, the composite filled layer interphase structure of pitch water-loss reducer, when temperature is higher inside water-loss reducer
Water liquid is presented, the water freezing when temperature is too low in the winter time inside water-loss reducer, volumetric expansion can effectively alleviate cement road
Face is expanded with heat and contract with cold caused crack.In addition, water-loss reducer water absorption can reach 200%, when road table water penetration to concrete layer
When, water-loss reducer can play sealing function with water swelling, effectively solve cement concrete cracks seepage problem.
Claims (5)
1. a kind of combined type Semi-Rigid Pavement Structure, the pavement structure includes roadbed (1), Asphalt Stabilized Macadam layer from bottom to top
(2), bituminous epoxy water-proof tack coat (3), roller-com pacted concrete layer (4), aqueous epoxy resins emulsified asphalt slurries layer (6) and
Cement emulsified asphalt mortar layer (7)；The roller-com pacted concrete layer (4) is horizontally spaced about vertical pitch water-loss reducer and answered
Close packed layer (5).
2. combined type Semi-Rigid Pavement Structure according to claim 1, it is characterised in that roadbed (1) thickness is 150
~200mm.
3. combined type Semi-Rigid Pavement Structure according to claim 1, it is characterised in that the Asphalt Stabilized Macadam layer
(2) it is the broken layer of AC-25C type pitches of 100~150mm thickness.
4. combined type Semi-Rigid Pavement Structure according to claim 1, it is characterised in that the bituminous epoxy water-proof binding
Layer (3) thickness is 5~10mm.
5. combined type Semi-Rigid Pavement Structure according to claim 1, it is characterised in that the roller-com pacted concrete layer
(4) thickness is 120~150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146788.8U CN206328651U (en) | 2016-10-21 | 2016-10-21 | A kind of combined type Semi-Rigid Pavement Structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146788.8U CN206328651U (en) | 2016-10-21 | 2016-10-21 | A kind of combined type Semi-Rigid Pavement Structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206328651U true CN206328651U (en) | 2017-07-14 |
Family
ID=59286787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146788.8U Expired - Fee Related CN206328651U (en) | 2016-10-21 | 2016-10-21 | A kind of combined type Semi-Rigid Pavement Structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206328651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947334A (en) * | 2018-08-20 | 2018-12-07 | 江苏顺晟新材料科技有限公司 | A kind of road and bridge face maintenance sealing and its construction method with conducting function |
-
2016
- 2016-10-21 CN CN201621146788.8U patent/CN206328651U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108947334A (en) * | 2018-08-20 | 2018-12-07 | 江苏顺晟新材料科技有限公司 | A kind of road and bridge face maintenance sealing and its construction method with conducting function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20181021 |
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| CF01 | Termination of patent right due to non-payment of annual fee |