CN103498400A - Anti-skid wearing layer and preparing method thereof - Google Patents
Anti-skid wearing layer and preparing method thereof Download PDFInfo
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- CN103498400A CN103498400A CN201310516203.1A CN201310516203A CN103498400A CN 103498400 A CN103498400 A CN 103498400A CN 201310516203 A CN201310516203 A CN 201310516203A CN 103498400 A CN103498400 A CN 103498400A
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- magnesium powder
- rubble
- modified asphalt
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Abstract
The invention discloses an anti-skid wearing layer which is composed of an epoxy resin mixture layer, a magnesium powder modified asphalt layer, an asphalt resin composite layer and a rubble layer, and the epoxy resin mixture layer, the magnesium powder modified asphalt layer, the asphalt resin composite layer and the rubble layer are arranged in sequence to prepare the anti-skid wearing layer. The anti-skid wearing layer is of a layered composite structure. The asphalt resin composite layer enables the adhesive property between the anti-skid wearing layer and a construction surface to be increased, the epoxy resin mixture layer can be integrated with an original epoxy asphalt pavement by means of the high strength of epoxy resin and the high adhesive property between the epoxy resin and the epoxy asphalt pavement to bear vehicle loads, and the epoxy resin mixture layer can fill up cracks in the asphalt pavement to play a role of structural reinforcement by means of the high penetrating quality of the epoxy resin.
Description
Technical field
The present invention relates to a kind of antiskid wearing layer and preparation method thereof, relate in particular to a kind of antiskid wearing layer for common roadbed section flexible pavement, cement concrete bridge deck and Compound pavement in road tunnel and preparation method thereof.
Background technology
Flexible pavement and bridge tunnel flexible pavement are mated formation and are had applicability widely, compare cement concrete pavement, and road-ability, skid resistance, construction and maintenance convenience are all more excellent.In process of construction, the quality control deficiency of each link, easily form the road surface early disease, especially comparatively outstanding with early diseases such as Moisture Damage, ruts, in maintenance processes, is necessary employing prevention property maintenance measure.
Shear failure, as micro-table place, slurry seal etc. all adopt pitch class material as cementitious matter, more easily occur in the preventive maintenance that flexible pavement commonly used and bridge tunnel flexible pavement are mated formation both at home and abroad under vehicular load.Current preventive maintenances such as micro-table place commonly used, slurry seal, cover, with flexible pavement and the bridge tunnel flexible pavement adhesion strength deficiency of mating formation, the diseases such as surface comes off very easily occur.Owing to lacking at present the preventive maintenance that flexible pavement and bridge tunnel flexible pavement are mated formation, support pipe department and generally in the disease of epoxy asphalt pavement, injure steel plate when safe, promptly to mating formation, carry out the medium-capital overhauling maintenance, caused the consumption of a large amount of maintenance funds, and had a strong impact on traffic.
Because the defect that above-mentioned existing maintenance of surface exists, the inventor is based on being engaged in this type of product design manufacture abundant practical experience and professional knowledge for many years, and the utilization of cooperation scientific principle, positive research and innovation in addition, to founding a kind of novel antiskid wearing layer and preparation method thereof, make it have more practicality.Through constantly research, design, and, after repeatedly studying sample and improving, finally create the present invention who has practical value.
Summary of the invention
Main purpose of the present invention is, overcome the defect that existing maintenance of surface exists, and a kind of novel antiskid wearing layer and preparation method thereof is provided, technical problem to be solved is to improve the caking property on conserving material and road surface, thereby more be suitable for practicality, and there is the value on industry.
The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of antiskid wearing layer proposed according to the present invention, described antiskid wearing layer comprises the mixture of epoxy resins layer, is arranged on the magnesium powder-modified asphalt layer on described mixture of epoxy resins layer top, is arranged on the asphaltic resin composite bed of described mixture of epoxy resins layer bottom and the macadam that is arranged on described magnesium powder-modified asphalt layer surface.
As preferably, mixture of epoxy resins layer described in aforesaid antiskid wearing layer is by epoxy resin, curing compound and be spread in rubble in epoxy resin and solidify and form.
As preferably, asphaltic resin composite bed described in aforesaid antiskid wearing layer is comprised of carbon fiber/asphaltic resin composite material.
As preferably, described in aforesaid antiskid wearing layer in the mixture of epoxy resins layer content of epoxy resin be 1kg/m
2～1.5kg/m
2, described rubble consumption is 1kg/m
2～1.2kg/m
2.
As preferably, mixture of epoxy resins layer thickness described in aforesaid antiskid wearing layer is 1mm～2mm, and described rubble adopts simple grain footpath basalt.
The method for preparing aforesaid antiskid wearing layer, described preparation method comprises the steps,
(1) get that slurry oil, crosslinking agent and catalyzer are extracted and the standby asphaltic resin of cracking, by described drop resin and the compound carbon fiber/asphaltic resin composite material for preparing of carbon fiber;
(2) get carbon fiber prepared by step (1)/asphaltic resin composite coated in the construction surface, form the asphaltic resin composite bed;
(3) extracting epoxy resin and curing compound mix, stir, the epoxy resin and the curing compound that mix are coated to asphaltic resin composite bed surface, form sizing material, at described sizing material surface spreading one deck rubble, solidify together with sizing material, finally form the mixture of epoxy resins layer;
(4) get the magnesium powder and mix, grind, add in pitch and mix, make the magnesium powder-modified asphalt, described magnesium powder-modified asphalt is coated to described mixture of epoxy resins layer surface, form described magnesium powder-modified asphalt layer;
(5) at described magnesium powder-modified asphalt layer surface spreading one deck rubble, together with described magnesium powder-modified asphalt, solidify, after completion of cure, clean out uncured rubble, final, the exposed rubble on magnesium powder-modified asphalt layer surface forms described macadam.
As preferably, the specific area of selecting the magnesium powder in aforesaid preparation method is 470m
2/ kg～610m
2/ kg.
As preferably, carbon fiber described in aforesaid preparation method is polyacrylonitrile-based carbon fibre.
By technique scheme, antiskid wearing layer of the present invention and preparation method thereof at least has following advantages:
Antiskid wearing layer of the present invention comprises mixture of epoxy resins layer, magnesium powder-modified asphalt layer, asphaltic resin composite bed and macadam, is layered composite structure, and wherein the design of asphaltic resin composite bed better increases the adhesive property surperficial with construction; The mixture of epoxy resins layer rely on epoxy resin self high strength and with the high bond strength of epoxy asphalt pavement, can form integral body with former epoxy asphalt pavement, bear vehicular load; Rely on the high osmosis energy of epoxy resin, the mixture of epoxy resins layer can be filled up the crack of asphalt pavement, plays the effect of structural strengthening; At mixture of epoxy resins layer surface-coated magnesium powder-modified asphalt layer spreading simple grain footpath rubble, make rubble partly be mounted in the magnesium powder-modified asphalt, part is exposed on magnesium powder-modified asphalt surface, after it solidifies, the rough surface that macadam relies on exposed rubble to form can improve the cling property of former epoxy asphalt pavement, play for road surface, bridge floor thin ice in winter the effect of opening ice, avoid the wet and slippery traffic safety that affects in road surface simultaneously.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of manual, below with preferred embodiment of the present invention, is described in detail as follows.
The accompanying drawing explanation
Figure 1 shows that antiskid wearing layer structural representation of the present invention.
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, antiskid wearing layer that foundation the present invention is proposed and preparation method thereof its specific embodiment, feature and effect thereof, be described in detail as follows.
Antiskid wearing layer of the present invention comprises the mixture of epoxy resins layer, is arranged on the magnesium powder-modified asphalt layer on mixture of epoxy resins layer top, is arranged on the asphaltic resin composite bed of mixture of epoxy resins layer bottom and the macadam that is arranged on magnesium powder-modified asphalt layer surface, and structure as shown in Figure 1.
For the crack of the epoxy asphalt pavement that heals, cling property, water resistance and the durability that raising is mated formation, at first the present invention screens material magnesium powder, pitch, epoxy resin and rubble.
1, magnesium powder, dry the magnesium powder, crosses the 5.0mm sieve, mix thoroughly, and grinding, encapsulation stores, until Kaifeng before using, the chemical compound of magnesium powder is as shown in table 1, wherein the specific area of magnesium powder is 470m
2/ kg～610m
2/ kg.
Table 1 magnesium efflorescence forms
2, select the performance indications of pitch as shown in table 2,
Table 2 asphalt performance index
3, epoxide resin material performance requirement, as shown in table 3:
(1) self tension, flexural strength are high, high with the adhesion strength of asphalt pavement, can with former mat formation form wholely, be difficult for being destroyed by vehicular load;
(2) fracture elongation is higher, can adapt to well under the vehicle effect stretching strain that the surface of mating formation produces, not easy to crack;
(3) resistance to elevated temperatures is good, requires the epoxy resin can be under 70 ℃ of conditions of high temperature, self performance, with the adhesive property of former epoxy asphalt pavement, meets the demands;
(4) hardening time moderate, according to the open requirement of traffic, select the epoxy resin of different hardening times, such as meeting construction on the same day, the same day open to traffic requirement, require the normal temperature cure time of epoxy resin in 4～6h left and right;
(5) permeance property is good, requires epoxy resin to have higher permeability, can carry out bonding reinforcement to the Sub or former microcrack of mating formation, and improves the pavement performance of mating formation.
(6) modest viscosity, do not trickle during construction, easily strikes off.
(7) the anti-ultraviolet aging ability is strong, guarantees that epoxy resin rubble wearing layer is under solar radiation, and the performance degradation amplitude is little, does not affect the pavement performance of wearing layer.
Table 3 epoxy resin main performance requirements
According to above requirement, filter out the optimal ring epoxy resins: epoxy resin adopts the normal temperature cure system, and normal temperature cure agent type is amine curing agent, and epoxy resin is mixed according to each producer's explanation with the curing compound ratio.
4, rubble requires:
Rubble adopts basaltic broken stone, and rubble will sieve, and wherein each square hole screen percent of pass reaches respectively standard as shown in table 4, wash and dry as far as possible, and moisture content is less than 1%; The abrasion resistance of rubble will be got well.
The particle diameter requirement of table 4 rubble
| Sieve aperture/mm | Percent of pass/% |
| 1.18 | Be greater than 95 |
| 0.6 | Be less than 5 |
| 0.075 | Be less than 1 |
Adopt method of the present invention to prepare antiskid wearing layer, step is as follows:
(1) get after slurry oil, crosslinking agent terephthalyl alcohol and catalyzer toluene sulfonic acide mix and put into there-necked flask, heating, not open closely enter nitrogen, until when generating a large amount of globules, mixture viscosity in system and constantly increasing, reaction stops, make asphaltic resin, and asphaltic resin is prepared into to the asphaltic resin powder, lay one deck polyacrylonitrile-based carbon fibre on template, evenly sprinkle the asphaltic resin powder subsequently, heating and melting, bonding; Sprinkle one deck polyacrylonitrile-based carbon fibre, more evenly sprinkle one deck asphaltic resin powder, heating and melting, repeat this process, until 25 layers of carbon fiber utilize and press the hot-forming carbon fiber/asphaltic resin composite material that makes of mill grinding tool;
(2) get carbon fiber prepared by step (1)/asphaltic resin composite coated in the construction surface, form the asphaltic resin composite bed;
(3) extracting epoxy resin and curing compound are mixed, are stirred in strict accordance with 1:0.46, the epoxy resin and the curing compound that mix are coated to asphaltic resin composite bed surface, form sizing material, at sizing material surface spreading one deck rubble, solidify together with sizing material, finally form the mixture of epoxy resins layer;
(4) get the magnesium powder and mix, grind, add in pitch and mix, make the magnesium powder-modified asphalt, the magnesium powder-modified asphalt is coated to mixture of epoxy resins layer surface, form magnesium powder-modified asphalt layer;
(5) rubble that is 0.6～1.18mm at magnesium powder-modified asphalt layer surface spreading one deck particle diameter, application rate substantially reaches and is abound with 80% of area, together with the magnesium powder-modified asphalt, solidify, after completion of cure, clean out uncured rubble, finally, the exposed rubble on magnesium powder-modified asphalt layer surface forms described macadam.
According to JTG T0752 Wet track abrasion test, final antiskid wearing layer to be tested, rate of wear is at 100g/m
2in.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. an antiskid wearing layer, it is characterized in that: described antiskid wearing layer comprises the mixture of epoxy resins layer, is arranged on the magnesium powder-modified asphalt layer on described mixture of epoxy resins layer top, is arranged on the asphaltic resin composite bed of described mixture of epoxy resins layer bottom and the macadam that is arranged on described magnesium powder-modified asphalt layer surface.
2. antiskid wearing layer according to claim 1 is characterized in that: described mixture of epoxy resins layer is by epoxy resin, curing compound and be spread in rubble in epoxy resin and solidify and form.
3. antiskid wearing layer according to claim 1, it is characterized in that: described asphaltic resin composite bed is comprised of carbon fiber/asphaltic resin composite material.
4. antiskid wearing layer according to claim 2, it is characterized in that: in described mixture of epoxy resins layer, content of epoxy resin is 1 kg/m
2～1.5kg/m
2, described rubble consumption is 1 kg/m
2～1.2kg/m
2.
5. antiskid wearing layer according to claim 2, it is characterized in that: described mixture of epoxy resins layer thickness is 1mm～2mm, described rubble adopts simple grain footpath basalt.
6. prepare the method for the described antiskid wearing layer of claim 1 ~ 5 any one, it is characterized in that: described preparation method comprises the steps,
(1) get that slurry oil, crosslinking agent and catalyzer are extracted and the standby asphaltic resin of cracking, by described asphaltic resin and the compound carbon fiber/asphaltic resin composite material for preparing of carbon fiber;
(2) get carbon fiber prepared by step (1)/asphaltic resin composite coated in the construction surface, form the asphaltic resin composite bed;
(3) extracting epoxy resin and curing compound mix, stir, the epoxy resin and the curing compound that mix are coated to asphaltic resin composite bed surface, form sizing material, at described sizing material surface spreading one deck rubble, solidify together with sizing material, finally form the mixture of epoxy resins layer;
(4) get the magnesium powder and mix, grind, add in pitch and mix, make the magnesium powder-modified asphalt, described magnesium powder-modified asphalt is coated to described mixture of epoxy resins layer surface, form described magnesium powder-modified asphalt layer;
(5) at described magnesium powder-modified asphalt layer surface spreading one deck rubble, together with described magnesium powder-modified asphalt, solidify, after completion of cure, clean out uncured rubble, final, the exposed rubble on magnesium powder-modified asphalt layer surface forms described macadam.
7. preparation method according to claim 6, it is characterized in that: described magnesium powder specific area is 470 m
2/ kg ~ 610 m
2/ kg.
8. preparation method according to claim 6, it is characterized in that: described carbon fiber is polyacrylonitrile-based carbon fibre.
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|---|---|---|---|
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104164819A (en) * | 2014-07-10 | 2014-11-26 | 天途路业集团上海交通科技有限公司 | Antiskid pavement capable of repelling water and melting ice and construction method thereof |
| CN104452583A (en) * | 2014-11-04 | 2015-03-25 | 江苏中路工程技术研究院有限公司 | Composite anti-skidding abrasion layer, and preparation method and application of composite anti-skidding abrasion layer |
| CN108726923A (en) * | 2018-06-06 | 2018-11-02 | 长安大学 | A kind of modified carbon fiber enhancing bituminous paving Anti-sliding Material and preparation method thereof |
| CN109853052A (en) * | 2017-12-15 | 2019-06-07 | 凌受明 | A kind of pressurizing unit on cotton stalk skin-core seperator |
| CN111411557A (en) * | 2020-04-02 | 2020-07-14 | 上海仁路科技有限公司 | Epoxy anti-skid abrasive material and construction method thereof |
| CN113322743A (en) * | 2021-06-03 | 2021-08-31 | 重庆诚邦路面材料有限公司 | Epoxy modified cement pavement anti-skid wearing layer and construction method thereof |
| CN113667403A (en) * | 2021-09-06 | 2021-11-19 | 南通学帆工程材料科技有限公司 | Preparation method of penetration-fixation type fine-surface pavement wearing layer |
| CN114207217A (en) * | 2019-04-17 | 2022-03-18 | 波音公司 | Permeable pavement systems including permeable pavement compositions and related methods |
| CN114277678A (en) * | 2021-08-16 | 2022-04-05 | 宁波路宝科技实业集团有限公司 | Wearing layer structure of concrete pavement surface and construction method thereof |
| US11884591B2 (en) | 2016-08-26 | 2024-01-30 | The Boeing Company | Permeable pavement and cured carbon fiber composition and a related method |
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2013
- 2013-10-27 CN CN201310516203.1A patent/CN103498400A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104164819A (en) * | 2014-07-10 | 2014-11-26 | 天途路业集团上海交通科技有限公司 | Antiskid pavement capable of repelling water and melting ice and construction method thereof |
| CN104452583A (en) * | 2014-11-04 | 2015-03-25 | 江苏中路工程技术研究院有限公司 | Composite anti-skidding abrasion layer, and preparation method and application of composite anti-skidding abrasion layer |
| US11884591B2 (en) | 2016-08-26 | 2024-01-30 | The Boeing Company | Permeable pavement and cured carbon fiber composition and a related method |
| CN109853052A (en) * | 2017-12-15 | 2019-06-07 | 凌受明 | A kind of pressurizing unit on cotton stalk skin-core seperator |
| CN108726923A (en) * | 2018-06-06 | 2018-11-02 | 长安大学 | A kind of modified carbon fiber enhancing bituminous paving Anti-sliding Material and preparation method thereof |
| CN108726923B (en) * | 2018-06-06 | 2021-06-08 | 长安大学 | Modified carbon fiber reinforced asphalt pavement anti-skid material and preparation method thereof |
| CN114207217A (en) * | 2019-04-17 | 2022-03-18 | 波音公司 | Permeable pavement systems including permeable pavement compositions and related methods |
| US11807578B2 (en) | 2019-04-17 | 2023-11-07 | The Boeing Company | Permeable pavement system including a permeable pavement composition and a related method |
| CN111411557A (en) * | 2020-04-02 | 2020-07-14 | 上海仁路科技有限公司 | Epoxy anti-skid abrasive material and construction method thereof |
| CN113322743A (en) * | 2021-06-03 | 2021-08-31 | 重庆诚邦路面材料有限公司 | Epoxy modified cement pavement anti-skid wearing layer and construction method thereof |
| CN114277678A (en) * | 2021-08-16 | 2022-04-05 | 宁波路宝科技实业集团有限公司 | Wearing layer structure of concrete pavement surface and construction method thereof |
| CN113667403A (en) * | 2021-09-06 | 2021-11-19 | 南通学帆工程材料科技有限公司 | Preparation method of penetration-fixation type fine-surface pavement wearing layer |
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Application publication date: 20140108 |