CN106904897A - A kind of color antiskid layer for reducing haze leading traffic and preparation method thereof - Google Patents
A kind of color antiskid layer for reducing haze leading traffic and preparation method thereof Download PDFInfo
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- CN106904897A CN106904897A CN201710213374.5A CN201710213374A CN106904897A CN 106904897 A CN106904897 A CN 106904897A CN 201710213374 A CN201710213374 A CN 201710213374A CN 106904897 A CN106904897 A CN 106904897A
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- Prior art keywords
- haze
- antiskid layer
- traffic
- color antiskid
- leading
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00362—Friction materials, e.g. used as brake linings, anti-skid materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
- C04B2111/00827—Photocatalysts
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a kind of color antiskid layer for reducing haze leading traffic, belong to technical field of roadway maintenance, including premix and curing agent, premix is 14 with the weight ratio of curing agent:1~5:1, premix includes the component of following mass fraction：10~18 parts of nano photocatalyst catalytic material；40~60 parts of colored graded broken stone；2~4 parts of additives；28~40 parts of binding material；Can be bundled together for colored graded broken stone and other auxiliary agents by 2~8 parts of curing agent, binding material；Colored graded broken stone provides intensity and hardness and wearability, while vivid color can effectively guide traffic, induces wagon flow, increases the traffic capacity；Harmful substance in photocatalyst material main decomposition haze；Each component effect can preferably represent the performance of color antiskid layer in additives, and the color antiskid layer coefficient of friction for reducing haze leading traffic is higher by 50% or so than new pavement, and 20~30% are reduced using PM2.5 in region.
Description
Technical field
The present invention relates to technical field of roadway maintenance, more particularly to a kind of color antiskid layer for reducing haze leading traffic and
Its preparation method.
Background technology
In recent years, haze phenomenon was increasingly serious, had had a strong impact on the living trip of the people, reduced Happiness Index.Only
In December, 2016, Beijing has just issued orange haze early warning twice, takes the administration means such as odd-and-even license plate rule, but produce effects
Typically, and unfavorable meteorological condition is run into, haze can not effectively be spread in short-term.Future, national governments can take tighter
Strict improvement haze measure, such as closes down with serious pollution industrial premises, cuts off the pollution in source, strengthens Motor Vehicle Pollution Prevention,
The means such as environment access threshold are improved, expects that the coming years reach air quality and are obviously improved.
And with the rapid growth of national economy, the continuous improvement of living standards of the people, vehicles number gradually increases, makes
It is more and more long into the congestion in road time.2015, Beijing Communication committee proposed the concept of slow-vehicle system, emphasis regulation people's car
Separate, also the engineering of pavement and pedestrian, the demonstration project of Xicheng District of Beijing achieves good result, and 2016 in Beijing
Three rings have carried out spread, according to traffic control department statistics, using slow-vehicle system, and congestion in road index decreased 5%.
Relevant report in the prior art on road antiskid layer composite has a lot, and such as CN102815891A is disclosed
A kind of fine antiskid protective layer of bituminous paving, is spread by raw material fine aggregate, modified emulsifying asphalt and the cation-modified emulsified asphalts of SBR
Build and form, with water resistance it is good, antiskid performance is good, anti-wear performance is good and the characteristics of small noise pollution；CN102731967A
A kind of road antiskid layer binding material is disclosed, is made up of modified epoxy, modified epoxy resin curing agent and talcum powder,
Mechanical property, deformation performance and endurance quality and pollution-resistant are good, and not with former road surface delamination, and low temperature flexibility is good, extruding
There is no embrittlement afterwards.But do not asked on solving haze using the color antiskid layer for reducing haze leading traffic in the prior art
The relevant report of topic.
The content of the invention
In view of this, it is an object of the invention to provide a kind of color antiskid layer for reducing haze leading traffic, will administer
Haze combines with congestion is alleviated, while reducing the cracking of pavement crack, extends Road Service Life.
In order to realize foregoing invention purpose, the present invention provides following technical scheme：
A kind of color antiskid layer for reducing haze leading traffic, including premix and curing agent, the premix and solidification
The weight ratio of agent is 14:1~5:1, the premix includes the component of following mass fraction：
Preferably, the binding material is acrylic resin, Solvent-free Modification epoxy resin, polymer cement mortar or breast
Change pitch.
Preferably, the nano photocatalyst catalytic material includes nano titanium oxide.
Preferably, the colored graded broken stone includes quartz sand and/or calcining bauxite, and the colored graded broken stone is not
Family name hardness >=7.0, the particle diameter of the colored graded broken stone is 10~80 mesh.
Present invention also offers the preparation side of the color antiskid layer of the reduction haze leading traffic described in above-mentioned technical proposal
Method, comprises the following steps：
(1) binding material, colored graded broken stone, nano photocatalyst catalytic material and additives are mixed, obtains mixed material；
(2) the mixed material sealed storage for obtaining the step (1), obtains premix；
(3) premix for obtaining the step (2) is dispensed with curing agent, and the colour for being reduced haze leading traffic resists
Slip layer.
Preferably, the time of step (1) mixing is 30~90min.
Present invention also offers the color antiskid layer or above-mentioned system of the reduction haze leading traffic described in above-mentioned technical proposal
Application of the color antiskid layer of the reduction haze leading traffic that Preparation Method is obtained in pavement skid resistance layer.
The invention provides a kind of color antiskid layer for reducing haze leading traffic, premix and curing agent, the premix
Material is 14 with the weight ratio of curing agent:1~5:1, the premix includes the component of following mass fraction：Nano photocatalyst catalytic material
10~18 parts；40~60 parts of colored graded broken stone；2~4 parts of additives；28~40 parts of binding material；2~8 parts of curing agent.At this
In invention, the nano photocatalyst catalytic material as catalyst, the harmful substance in main decomposition haze, its own does not have mill
Damage, use that can be effectively long-term；The binding material effectively can be bonded together with road surface medium, with high bonding
Intensity and shear strength, and colored graded broken stone and other auxiliary agents can be bundled together；Colored graded broken stone is mainly provided
The intensity and hardness and wearability of whole material, while vivid color can effectively guide traffic；Each component effect in additives
It is preferably to represent the performance of color antiskid layer.
Beneficial effects of the present invention are as follows：
1st, nano photocatalyst catalytic material under illumination condition, can effectively decompose oxynitrides, the carbon in haze in the present invention
Hydrogen compound etc., makes it be converted into hydrone and carbon dioxide, so as to reduce Air haze influence, reaches the effect for administering haze
Really, embodiment shows, the color antiskid layer for reducing haze leading traffic of the invention reduces 20 using PM2.5 in region~
30%.
2nd, the color antiskid layer of the reduction haze leading traffic that the present invention is provided can be by different colored graded broken stones
The colored road surface of making different colours, fully mutually coordinates with road environment, gives good psychological feelingses, different by setting
Color distinguishes the difference in functionality of road, induces wagon flow, increases the traffic capacity of road, reduces traffic jam, alleviates road and hands over
It is logical crowded, reduce the wasting of resources.
Adhesive property is high, antiskid performance is high for the color antiskid layer of the reduction haze leading traffic that the 3rd, the present invention is provided, can
The incidence of traffic accident is reduced, color antiskid layer composite can reduce opening for pavement crack as a kind of precuring technology
Split, the generation without infiltration phenomenon, and extend Road Service Life, coefficient of friction is higher by 50% or so than new pavement.
4th, 2~3h is after the color antiskid layer of the reduction haze leading traffic that the present invention is provided sprays or smears road crust
Can open to traffic, alleviation traffic congestion.
Specific embodiment
It is described the invention provides a kind of color antiskid layer for reducing haze leading traffic, including premix and curing agent
Premix is 14 with the weight ratio of curing agent:1~5:1, the premix includes the component of following mass fraction：
The color antiskid layer of the reduction haze leading traffic that the present invention is provided preferably includes the nanometer of 10~18 mass fractions
Photocatalyst material.
In the present invention, the nano photocatalyst catalytic material includes Nano titanium dioxide, and the present invention is to the nano photocatalyst
Catalytic material source without any special limitation, using the commercially available business of nano photocatalyst catalytic material well known to those skilled in the art
Product, preferably use anatase-type nanometer titanium dioxide in embodiments of the present invention.
The color antiskid layer of the reduction haze leading traffic that the present invention is provided preferably includes the colour of 40~60 mass fractions
Graded broken stone, in the present invention, colored graded broken stone includes quartz sand and/or calcining bauxite, and the present invention is to the colored level
Originating without any special limitation with rubble, using the commercial goods of colored graded broken stone well known to those skilled in the art
, by the color of colored graded broken stone different color is set to distinguish the difference in functionality of road, wagon flow is induced, increase road
The traffic capacity, reduce traffic jam, alleviate road traffic congestion, reduce the wasting of resources.
In the present invention, the colored graded broken stone Mohs' hardness preferably >=7.0；The particle diameter of the colored graded broken stone
Preferably 10~80 mesh.
The color antiskid layer of the reduction haze leading traffic that the present invention is provided preferably includes the bonding of 28~40 mass fractions
Material, in the present invention, the binding material be acrylic resin, Solvent-free Modification epoxy resin, polymer cement mortar or
Emulsified asphalt, the present invention, without any special limitation, is known to the source of the binding material using those skilled in the art
Acrylic resin, Solvent-free Modification epoxy resin, the commercial goods of polymer cement mortar or emulsified asphalt.
The color antiskid layer of the reduction haze leading traffic that the present invention is provided preferably includes the additives of 2~8 mass fractions,
In the present invention, the additives include toughener, antistripping agent and coupling agent, the toughener, antistripping agent and coupling agent
Mass ratio be 1~2：0.5~1：0.5~1.
In the present invention, the antistripping agent is coumarone indene resin, and the present invention does not have to the source of the coumarone indene resin
Any special limitation, using the commercial goods of coumarone indene resin well known to those skilled in the art.
Present invention also offers the preparation method of the color antiskid layer that haze leading traffic is reduced described in above-mentioned technical proposal,
Comprise the following steps：
(1) binding material, colored graded broken stone, nano photocatalyst catalytic material and additives are mixed, obtains mixed material；
(2) the mixed material sealed storage for obtaining the step (1), obtains premix；
(3) premix for obtaining the step (2) is dispensed with curing agent, and the colour for being reduced haze leading traffic resists
Slip layer.
The present invention mixes binding material, colored graded broken stone, nano photocatalyst catalytic material and additives, obtains mixture
Material, the present invention is not any to the charging sequence of the binding material, colored graded broken stone, nano photocatalyst catalytic material and additives
Special restriction, using charging sequence well known to those skilled in the art；In embodiments of the present invention, preferably will first bond
After material mixes with colored graded broken stone, then mix with nano photocatalyst catalytic material, finally mix with additives again.
The present invention does not have any special restriction to the mode of the mixing, using mixing well known to those skilled in the art
Mode；In embodiments of the present invention, it is preferred to use the mode of stirring is mixed, the rotating speed of the stirring is preferably 500
~2000r/min, more preferably 1000~1500r/min, the time of the stirring are preferably 30~90min, more preferably 50
~60min.
After obtaining mixed material, mixed material sealed storage is obtained premix by the present invention, and the present invention is to the sealing
Mode does not have any special restriction, using sealing means well known to those skilled in the art；In embodiments of the present invention,
It is preferred that carrying out sealed storage by the way of packed sealing.
After obtaining premix, the present invention dispenses stand-by material and curing agent, is reduced the colour of haze leading traffic
Antiskid layer.
Present invention also offers color antiskid layer or above-mentioned preparation that haze leading traffic is reduced described in above-mentioned technical proposal
Application of the color antiskid layer of the reduction haze leading traffic that method is obtained in pavement skid resistance layer.
The present invention mixes premix with curing agent when using the color antiskid layer of the reduction haze leading traffic
Close, the present invention does not have any special restriction to the mode of the mixing, using hybrid mode well known to those skilled in the art
；In embodiments of the present invention, it is preferred to use the mode of stirring is mixed, the rotating speed of the stirring be preferably 500~
1000r/min, more preferably 600~800r/min, time of the stirring are preferably 5~30min, more preferably 15~
20min。
The present invention does not have any special restriction to the coating method of the color antiskid layer of the reduction haze leading traffic,
Using hybrid mode well known to those skilled in the art；In embodiments of the present invention, it is preferred to use the mode of brushing is carried out
Coating.
In the present invention, coated weight of the color antiskid layer for reducing haze leading traffic in pavement skid resistance layer is preferred
It is 2~4kg/m2。
Nano photocatalyst catalytic material is under illumination condition in the present invention, can effectively decompose oxynitrides in haze, hydrocarbon
Compound etc., makes it be converted into hydrone and carbon dioxide, so as to reduce Air haze influence, reaches the effect for administering haze,
Embodiment shows that the color antiskid layer for reducing haze leading traffic of the invention reduces 20~30% using PM2.5 in region.
The color antiskid layer of the reduction haze leading traffic that the present invention is provided can be spread by different colored graded broken stones
The colored road surface of different colours is built, is fully mutually coordinated with road environment, give good psychological feelingses, it is not homochromy by setting
Coloured silk distinguishes the difference in functionality of road, induces wagon flow, increases the traffic capacity of road, reduces traffic jam, alleviates road traffic
It is crowded, reduce the wasting of resources.
The color antiskid for the reducing haze leading traffic layer adhesive property for providing of the invention is high, antiskid performance is high, can subtract
The incidence of few traffic accident, color antiskid layer composite as a kind of precuring technology, can reduce the cracking of pavement crack,
Generation without infiltration phenomenon, and extension Road Service Life, coefficient of friction are higher by 50% or so than new pavement.
2~3h after road crust is smeared in the color antiskid layer sprinkling of the reduction haze leading traffic that the present invention is provided
Open to traffic, alleviates traffic congestion.
With reference to embodiment to the present invention provide reduction haze leading traffic color antiskid layer, preparation method and its
Using being described in detail, but they can not be interpreted as limiting the scope of the present invention.
Embodiment 1
Each raw material components are as follows by weight ratio：
10 parts of nano photocatalyst catalytic material；
40 parts of colored graded broken stone；
2 parts of additives；
28 parts of binding material；
2 parts of curing agent；
The raw material of additives is as follows by weight ratio：
1 part of toughener；
0.5 part of antistripping agent；
0.5 part of coupling agent.
First binding material and colored graded broken stone are well mixed in stirring 30min under 500r/min, then with nano photocatalyst
Catalytic material is well mixed in 5min is stirred under 1000r/min, finally mixes in stirring 30min under 1000r/min with additives again
Mixed material uniformly is obtained, the mixed material for obtaining first is stirred with curing agent when in for pavement skid resistance layer under 500r/min
Mix 30min to be well mixed, be reduced the color antiskid layer of haze leading traffic.
By the obtained color antiskid layer for reducing haze leading traffic of embodiment 1 according to 2kg/m2Brushing amount be brushed to city
On political affairs road surface, it is observed using PM2.5 detecting instruments, is smearing the region of the color antiskid layer for reducing haze leading traffic
PM2.5 reduces 26.4%, is measured by pendulum type friction instrument, and coefficient of friction reaches 120BPN, and haze leading is reduced beyond smearing
The road surface 50% of the color antiskid layer of traffic；According to《Highway subgrade road surface on-the-spot test code JTG E60-2008》Determine infiltration
Coefficient, the infiltration coefficient for measuring is 0.
Embodiment 2
Each raw material components are as follows by weight ratio：
15 parts of nano photocatalyst catalytic material；
55 parts of colored graded broken stone；
3 parts of additives；
32 parts of binding material；
3 parts of curing agent；
The raw material of additives is as follows by weight ratio：
1 part of toughener；
1 part of antistripping agent；
1 part of coupling agent.
First binding material and colored graded broken stone are well mixed in stirring 50min under 1500r/min, then with nano photocatalyst
Catalytic material is well mixed in 50min is stirred under 1500r/min, finally mixes in stirring 60min under 1000r/min with additives again
Mixed material uniformly is obtained, the mixed material for obtaining first is stirred with curing agent when in for pavement skid resistance layer under 600r/min
Mix 30min to be well mixed, be reduced the color antiskid layer of haze leading traffic.
By the obtained color antiskid layer for reducing haze leading traffic of embodiment 2 according to 3kg/m2Brushing amount be brushed to city
On political affairs road surface, it is observed using PM2.5 detecting instruments, is smearing the region of the color antiskid layer for reducing haze leading traffic
PM2.5 reduces 30.6%, is measured by pendulum type friction instrument, and coefficient of friction reaches 125BPN, and haze leading is reduced beyond smearing
The road surface 50% of the color antiskid layer of traffic；According to《Highway subgrade road surface on-the-spot test code JTG E60-2008》Determine infiltration
Coefficient, the infiltration coefficient for measuring is 0.
Embodiment 3
Each raw material components are as follows by weight ratio：
18 parts of nano photocatalyst catalytic material；
60 parts of colored graded broken stone；
4 parts of additives；
40 parts of binding material；
8 parts of curing agent；
The raw material of additives is as follows by weight ratio：
2 parts of toughener；
1 part of antistripping agent；
1 part of coupling agent.
First binding material and colored graded broken stone are well mixed in stirring 50min under 1500r/min, then with nano photocatalyst
Catalytic material is well mixed in 60min is stirred under 1000r/min, finally mixes in stirring 50min under 1500r/min with additives again
Mixed material uniformly is obtained, the mixed material for obtaining first is stirred with curing agent when in for pavement skid resistance layer under 800r/min
Mix 15min to be well mixed, be reduced the color antiskid layer of haze leading traffic.
By the obtained color antiskid layer for reducing haze leading traffic of embodiment 3 according to 4kg/m2Brushing amount be brushed to city
On political affairs road surface, it is observed using PM2.5 detecting instruments, is smearing the region of the color antiskid layer for reducing haze leading traffic
PM2.5 reduces 32.5%, is measured by pendulum type friction instrument, and coefficient of friction reaches 118BPN, and haze leading is reduced beyond smearing
The road surface 50% of the color antiskid layer of traffic；According to《Highway subgrade road surface on-the-spot test code JTG E60-2008》Determine infiltration
Coefficient, the infiltration coefficient for measuring is 0.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of color antiskid layer for reducing haze leading traffic, including premix and curing agent, the premix and curing agent
Weight ratio be 14:1~5:1, the premix includes the component of following mass fraction：
2. it is according to claim 1 reduce haze leading traffic color antiskid layer, it is characterised in that the binding material
It is acrylic resin, Solvent-free Modification epoxy resin, polymer cement mortar or emulsified asphalt.
3. it is according to claim 1 reduce haze leading traffic color antiskid layer, it is characterised in that the additives bag
Toughener, antistripping agent and coupling agent are included, the mass ratio of the toughener, antistripping agent and coupling agent is 1~2：0.5~1：
0.5~1.
4. it is according to claim 1 reduce haze leading traffic color antiskid layer, it is characterised in that the nano photocatalyst
Catalytic material includes nano titanium oxide.
5. it is according to claim 1 reduce haze leading traffic color antiskid layer, it is characterised in that the colored level is matched somebody with somebody
Rubble includes quartz sand and/or calcining bauxite.
6. it is according to claim 5 reduce haze leading traffic color antiskid layer, it is characterised in that the colored level is matched somebody with somebody
Mohs' hardness >=7.0 of rubble, the particle diameter of the colored graded broken stone is 10~80 mesh.
7. described in claim 1~6 any one reduction haze leading traffic color antiskid layer preparation method, including with
Lower step：
(1) binding material, colored graded broken stone, nano photocatalyst catalytic material and additives are mixed, obtains mixed material；
(2) the mixed material sealed storage for obtaining the step (1), obtains premix；
(3) premix for obtaining the step (2) is dispensed with curing agent, is reduced the color antiskid of haze leading traffic
Layer.
8. preparation method according to claim 7, it is characterised in that the time of step (1) mixing for 30~
90min。
9. described in claim 1~6 any one reduction haze leading traffic color antiskid layer or claim 7~8 times
Application of the color antiskid layer of the reduction haze leading traffic that the preparation method described in meaning one is obtained in pavement skid resistance layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN110255965A (en) * | 2019-07-23 | 2019-09-20 | 李可昕 | A kind of anti-skid cement concrete anti-wear additive and preparation method thereof |
| CN110846971A (en) * | 2019-11-27 | 2020-02-28 | 长安大学 | Ultrathin high-skid-resistance surface layer of asphalt pavement and construction method thereof |
| CN114182597A (en) * | 2021-12-31 | 2022-03-15 | 长安大学 | High-skid-resistance wear-resistant surface layer and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255965A (en) * | 2019-07-23 | 2019-09-20 | 李可昕 | A kind of anti-skid cement concrete anti-wear additive and preparation method thereof |
| CN110846971A (en) * | 2019-11-27 | 2020-02-28 | 长安大学 | Ultrathin high-skid-resistance surface layer of asphalt pavement and construction method thereof |
| CN114182597A (en) * | 2021-12-31 | 2022-03-15 | 长安大学 | High-skid-resistance wear-resistant surface layer and construction method thereof |
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Application publication date: 20170630 |