CN207047632U - A kind of crack resistance type thin overlay - Google Patents
A kind of crack resistance type thin overlay Download PDFInfo
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- CN207047632U CN207047632U CN201720898594.1U CN201720898594U CN207047632U CN 207047632 U CN207047632 U CN 207047632U CN 201720898594 U CN201720898594 U CN 201720898594U CN 207047632 U CN207047632 U CN 207047632U
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- silica gel
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Abstract
The utility model discloses a kind of crack resistance type thin overlay, is layered composite structure, lays waterproof layer, adhesive layer, Stainless-steel fibre layer, the closely knit oxidant layer of silica gel and ceramic particle wearing layer successively from bottom to up on original road surface.The utility model improves the wearability of cover using grading ceramic particle, the use of silica gel compacting agent not only increases the caking property between Stainless-steel fibre layer and ceramic particle wearing layer, the wearability of cover is strengthened simultaneously, Stainless-steel fibre layer improves self-reinforcing and the crack resistance of material, compound adhesive is as the surface treating adhesive between waterproof layer and Stainless-steel fibre layer, it is larger epoxy resin rigidity has been played, the flexible preferable characteristic of polyvinyl alcohol, a kind of stronger high polymer network structure tempered toughness with gentleness of toughness is formed in interlayer, effectively increase the interlaminar bonding performance and road property of thin overlay, it ensure that the lasting maintenance of road pavement.
Description
Technical field
A kind of crack resistance type thin overlay is the utility model is related to, belongs to road maintenance technical field.
Background technology
With the increase in China's bituminous paving road age, the increase of the volume of traffic, and under the effect of complicated climatic factor, pitch
Road surface is easy to the early disease phenomenons such as crack, rut, pit and antiskid performance degradation occur, and these diseases have had a strong impact on drip
The service level on blue or green road surface, it has also become important topic in the urgent need to address in highway engineering research field.In the prior art, exist
The stage repair or transform on road surface, traditional way are typically to excavate original basic halogen face structure, are then repaved
If new pavement structure, but this way can not only make full use of original pavement structure, but also waste material can be caused dirty
Contaminate environment.Therefore, the problem with reference to present in current pavement maintenance and transformation, can make former drip using thin overlay maintenance technology
The flatness on blue or green road surface is effectively restored, and improves anti-crack ability, adds the comfortableness and security of driving.
Utility model content
Purpose：In order to solve the above problems, the utility model on original road bed by laying one layer of crack resistance type
Thin overlay, bearing strength, the shear strength on road surface are enhanced, improve the utilization rate, wearability and water-proofing anticracking on road surface.
The technical solution of the utility model is as follows：
A kind of crack resistance type thin overlay, be layered composite structure, on original road surface from bottom to up successively lay waterproof layer,
Adhesive layer, Stainless-steel fibre layer, the closely knit oxidant layer of silica gel and ceramic particle wearing layer.
Preferably, the ceramic particle wearing layer includes the grading ceramic particle and cement mortar of 3 granularity level, by matter
Measure percentages, the ceramic particle that 8 ~ 5mm ceramic particle accounts for 25% ~ 45%, 5 ~ 3mm accounts for 15% ~ 35%, 3 ~ 1mm ceramic particle
Account for 5% ~ 15% and cement mortar account for 35% ~ 55%.
Preferably, the adhesive layer is compound silica gel, by mass percentage, including 15 ~ 30% polyvinyl alcohol, 25 ~
60% water-soluble nanoscale silica sol, 5 ~ 30% kaolin, 0.2 ~ 1.0% silane coupler, 2 ~ 10% glass fibres, 0.001%
~ 0.01% organic acid retarder.
Preferably, the steel fibre layer includes cationic emulsified bitumen and steel fibre, the length of the steel fibre for 3 ~
11mm。
Preferably, cationic emulsified bitumen described in the steel fibre layer：The mass ratio of steel fibre is 9:2.
Preferably, the waterproof layer of water-repellent paint by being made up, spread quantity 1.6-2.2kg/m2, the binding agent thickness
Spend and be made up of 5 ~ 10mm, the Stainless-steel fibre thickness degree of 20 ~ 30mm, the closely knit oxidant layer of the silica gel of silica gel compacting agent, its
Coated weight is 0.2-0.6kg/m2, 15 ~ 25mm of the ceramic particle wearing layer.
Beneficial effect：The utility model provides a kind of crack resistance type thin overlay, and cover is improved using grading ceramic particle
Wearability, the use of silica gel compacting agent not only increases the caking property between Stainless-steel fibre layer and ceramic particle wearing layer,
The wearability of cover is strengthened simultaneously, and Stainless-steel fibre layer improves self-reinforcing and the crack resistance of material, and compound adhesive is as anti-
Surface treating adhesive between water layer and Stainless-steel fibre layer, has played that epoxy resin rigidity is larger, and the flexibility of polyvinyl alcohol is preferably
Characteristic, form a kind of stronger high polymer network structure tempered toughness with gentleness of toughness in interlayer, effectively increase thin overlay
Interlaminar bonding performance and road property, it ensure that the lasting maintenance of road pavement.
Brief description of the drawings
Fig. 1 is layer structure figure of the present utility model.
In figure：1 original road surface, 2 waterproof layers, 3 adhesive layers, 4 Stainless-steel fibre layers, the closely knit oxidant layer of 5 silica gel, 6 ceramics
Grain wearing layer.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, in the embodiment of the present application
Technical scheme is clearly and completely described, it is clear that and described embodiment is only some embodiments of the present application, without
It is whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not before creative work is made
The every other embodiment obtained is put, should all belong to the scope of the application protection.
A kind of crack resistance type thin overlay, be layered composite structure, on original road surface from bottom to up successively lay waterproof layer,
Adhesive layer, Stainless-steel fibre layer, the closely knit oxidant layer of silica gel and ceramic particle wearing layer.
Preferably, the ceramic particle wearing layer includes the grading ceramic particle and cement mortar of 3 granularity level, by matter
Measure percentages, the ceramic particle that 8 ~ 5mm ceramic particle accounts for 25% ~ 45%, 5 ~ 3mm accounts for 15% ~ 35%, 3 ~ 1mm ceramic particle
Account for 5% ~ 15% and cement mortar account for 35% ~ 55%.
Preferably, the adhesive layer is compound silica gel, by mass percentage, including 15 ~ 30% polyvinyl alcohol, 25 ~
60% water-soluble nanoscale silica sol, 5 ~ 30% kaolin, 0.2 ~ 1.0% silane coupler, 2 ~ 10% glass fibres, 0.001%
~ 0.01% organic acid retarder.
Preferably, the steel fibre layer includes cationic emulsified bitumen and steel fibre, the length of the steel fibre for 3 ~
11mm。
Preferably, cationic emulsified bitumen described in the steel fibre layer：The mass ratio of steel fibre is 9:2.
Preferably, the waterproof layer of water-repellent paint by being made up, spread quantity 1.6-2.2kg/m2, the binding agent thickness
Spend and be made up of 5 ~ 10mm, the Stainless-steel fibre thickness degree of 20 ~ 30mm, the closely knit oxidant layer of the silica gel of silica gel compacting agent, its
Coated weight is 0.2-0.6kg/m2, 15 ~ 25mm of the ceramic particle wearing layer.
Crack resistance type thin overlay provided by the utility model can use following technical scheme to realize：
1st, former cement pavement is pre-processed first, it is ensured that cement pavement has certain structural strength, flatness compared with
It is good, it is structural it is damaged, cracking degree is slight, carrying is solid, stably, uniformly；
2nd, one layer of waterproof layer of spread, spread quantity 1.6-2.2kg/m on former cement pavement after the pre-treatment2；
3rd, waterproof layer spread lays the adhesive layer configured in proportion in waterproof layer upper surface after 48 hours, and it spreads
If thickness is 5 ~ 10mm, the laying of Stainless-steel fibre layer is then carried out, its laying depth is 20 ~ 30mm, pays attention to controlling compacting
Leveling layer thickness afterwards, bottom road table designed elevation must be reached after compacting；
4th, silica gel compacting agent is coated in the upper surface of the Stainless-steel fibre layer laid, its coated weight is 0.2-0.6kg/
m2, then the ceramic particle wearing layer that scene has mixed in proportion is laid on above silica gel compacting agent simultaneously, it is laid
Thickness is 15 ~ 25mm；
5th, after having laid, the open to traffic time is grasped according to site operation weather and moisture evaporation demulsification situation.Driving is ground
After pressure, the thickness after crack resistance type thin overlay final molding is 40 ~ 65mm.
Embodiment 1
Finished product 1：Waterproof layer of water-repellent paint by being made up, spread quantity 1.6kg/m2, the adhesive layer be compound silica gel,
Including 30% polyvinyl alcohol, 45% water-soluble nanoscale silica sol, 15% kaolin, 0.2% silane coupler, 9.8% glass
Fiber, 0.001% organic acid retarder, its thickness are 5mm；The Stainless-steel fibre layer includes cationic emulsified bitumen and steel is fine
Dimension（Mass ratio is 11:3）, the length of the steel fibre is 3mm, and its thickness is 20mm；The closely knit oxidant layer of silica gel is close by silica gel
Real agent is made, and its coated weight is 0.2kg/m2, the ceramic particle wearing layer, wherein, 8 ~ 5mm ceramic particle accounts for 25%, 5 ~
3mm ceramic particle account for 15%, 3 ~ 1mm ceramic particle account for 5% and cement mortar account for 55%, its laying depth is 15mm.
Embodiment 2
Finished product 2：Waterproof layer of water-repellent paint by being made up, spread quantity 1.8kg/m2；The adhesive layer is compound silica gel,
Including 30% polyvinyl alcohol, 45% water-soluble nanoscale silica sol, 15% kaolin, 0.2% silane coupler, 9.8% glass
Fiber, 0.001% organic acid retarder, its thickness are 8mm；The Stainless-steel fibre layer includes cationic emulsified bitumen and steel is fine
Dimension（Mass ratio is 4:1）, the length of the steel fibre is 6mm, and its thickness is 25mm；The closely knit oxidant layer of silica gel is closely knit by silica gel
Agent is made, and its coated weight is 0.4kg/m2, the ceramic particle wearing layer, wherein 8 ~ 5mm ceramic particle accounts for 30%, 5 ~ 3mm's
Ceramic particle account for 30%, 3 ~ 1mm ceramic particle account for 5% and cement mortar account for 35%, its laying depth is 20mm.
Embodiment 3
Finished product 3：Waterproof layer of water-repellent paint by being made up, spread quantity 2.2kg/m2；The adhesive layer is compound silica gel,
Including 30% polyvinyl alcohol, 45% water-soluble nanoscale silica sol, 15% kaolin, 0.2% silane coupler, 9.8% glass
Fiber, 0.001% organic acid retarder, its thickness are 10mm；The Stainless-steel fibre layer includes cationic emulsified bitumen and steel is fine
Dimension（Mass ratio is 4:1）, the length of the steel fibre is 11mm, and its thickness is 30mm；The closely knit oxidant layer of silica gel is close by silica gel
Real agent is made, and its coated weight is 0.6kg/m2, the ceramic particle wearing layer, wherein 8 ~ 5mm ceramic particle accounts for 45%, 5 ~ 3mm
Ceramic particle account for 15%, 3 ~ 1mm ceramic particle account for 5% and cement mortar account for 35%, its laying depth is 25mm.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (3)
- A kind of 1. crack resistance type thin overlay, it is characterised in that：For layered composite structure, spread successively from bottom to up on original road surface Set up defences water layer, adhesive layer, Stainless-steel fibre layer, the closely knit oxidant layer of silica gel and ceramic particle wearing layer.
- 2. a kind of crack resistance type thin overlay according to claim 1, it is characterised in that the adhesive layer is comprehensive silicon Glue.
- 3. a kind of crack resistance type thin overlay according to claim 1, it is characterised in that the waterproof layer is by water-repellent paint system Into spread quantity 1.6-2.2kg/m2, the adhesive layer thickness be 5 ~ 10mm, the Stainless-steel fibre thickness degree be 20 ~ 30mm, the closely knit oxidant layer of the silica gel are made up of silica gel compacting agent, and its coated weight is 0.2-0.6kg/m2, the ceramic particle is wear-resisting Layer laying depth is 15 ~ 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720898594.1U CN207047632U (en) | 2017-07-21 | 2017-07-21 | A kind of crack resistance type thin overlay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720898594.1U CN207047632U (en) | 2017-07-21 | 2017-07-21 | A kind of crack resistance type thin overlay |
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| Publication Number | Publication Date |
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| CN207047632U true CN207047632U (en) | 2018-02-27 |
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| CN201720898594.1U Active CN207047632U (en) | 2017-07-21 | 2017-07-21 | A kind of crack resistance type thin overlay |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217562A (en) * | 2017-07-21 | 2017-09-29 | 江苏燕宁新材料科技发展有限公司 | A kind of crack resistance type thin overlay |
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2017
- 2017-07-21 CN CN201720898594.1U patent/CN207047632U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217562A (en) * | 2017-07-21 | 2017-09-29 | 江苏燕宁新材料科技发展有限公司 | A kind of crack resistance type thin overlay |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200609 Address after: 211103 No. 6 Donglu Road, Dongshan International Enterprise Headquarters Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING BOKE NEW MATERIALS INDUSTRY RESEARCH INSTITUTE Co.,Ltd. Address before: 211112, No. 2200, good faith Road, Jiangning District, Jiangsu, Nanjing Patentee before: JIANGSU YEARING ADVANCED MATERIALS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200729 Address after: 211103 No.6, Dongqi Road, Dongshan street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu Zhongke new material technology development Co., Ltd Address before: 211103 No. 6 Donglu Road, Dongshan International Enterprise Headquarters Park, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING BOKE NEW MATERIALS INDUSTRY RESEARCH INSTITUTE Co.,Ltd. |