CN110194626A - Steel slag half-flexible pavement material - Google Patents
Steel slag half-flexible pavement material Download PDFInfo
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- CN110194626A CN110194626A CN201910544502.3A CN201910544502A CN110194626A CN 110194626 A CN110194626 A CN 110194626A CN 201910544502 A CN201910544502 A CN 201910544502A CN 110194626 A CN110194626 A CN 110194626A
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- steel slag
- flexible pavement
- pavement material
- flyash
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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
- C04B28/02—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 containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland 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
- C04B2111/00474—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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of steel slag half-flexible pavement material, raw material includes pitch, steel slag, ordinary portland cement, flyash, ethoxyl methyl cellulose ether, rubber grain, octene polymer, maleic anhydride, allyl ether, hydroxy-ethyl acrylate, Styrene-Butadiene-Styrene Block Copolymer, plasticizer, polyester fiber；It is acted synergistically by ethoxyl methyl cellulose ether and maleic anhydride, allyl ether and hydroxy-ethyl acrylate to increase the yield stress and apparent viscosity of material, synergistic effect forms reticular structure between rubber grain, pitch and octene polymer, improve workability, compatibility and the dispersivity of material, it is applied in combination using the steel slag of specified particle diameter and the flyash of specified particle diameter, make ground surface material that there is continuous pore structure, to extend the anti-fatigue life and water stability of material.
Description
Technical field
The present invention relates to ground surface material, in particular to a kind of steel slag half-flexible pavement material.
Background technique
Half-flexible pavement refers in large aperture (voidage is 20%~25%) asphalt matrix road surface, pours into water
The road surface formed after a period of time is starched and conserved to earth rubber, it is provided simultaneously with the flexibility higher than cement concrete and is higher than pitch coagulation
The rigidity of soil.It is related studies have shown that half-flexible pavement can avoid early damage, part from gathering around packet, the road surface road Ji Jianghe well
The pavement damages phenomenon such as face edges broken, at the same have excellent high temperature stability performance, crack resistance at low-temperature, anti-fatigue performance and
Antiskid performance.After existing steel slag half-flexible pavement material is applied to road surface, rutting resistance enhancing in road surface also improves road surface
Total bearing capacity, the crack resistance and cementability of asphalt are also improved, as application No. is 201611167125.9
Road surface material semi-flexible, still, as the volume of traffic and axis load are also increasing rapidly, this is just to the intensity of Highway Pavement Structures and steady
Qualitative more stringent requirements are proposed, while requirement of the user to running speed and comfort is also being continuously improved.It is existing based on this
Some half-flexible pavement materials need further to mention in terms of high-temperature stability, low-temperature cracking-resistance, fatigue durability and water stability
It is high.
Summary of the invention
In view of this, improving half-flexible pavement material the purpose of the present invention is to provide a kind of steel slag half-flexible pavement material
High-temperature stability, low-temperature cracking-resistance, fatigue durability and the water stability of material.
Steel slag half-flexible pavement material of the invention, raw material include following component by weight: 80-120 parts of pitch, steel slag
300-500 parts, 110-130 parts of ordinary portland cement, 100-160 parts of flyash, 5-10 parts of ethoxyl methyl cellulose ether, rubber
20-30 parts of glue particle, 3-8 parts of octene polymer, 3-8 parts of maleic anhydride, 2-6 parts of allyl ether, 1-3 parts of hydroxy-ethyl acrylate,
2-4 parts of Styrene-Butadiene-Styrene Block Copolymer, 1-3 parts of plasticizer, 1-3 parts of polyester fiber；
Further, the weight ratio of the flyash and steel slag are as follows: flyash: steel slag=1:3；
Further, raw material includes following component by weight: 100 parts of pitch, 450 parts of steel slag, ordinary portland cement 120
Part, 150 parts of flyash, 8 parts of ethoxyl methyl cellulose ether, 25 parts of rubber grain, 5 parts of octene polymer, 5 parts of maleic anhydride,
4 parts of allyl ether, 2 parts of hydroxy-ethyl acrylate, 3 parts of Styrene-Butadiene-Styrene Block Copolymer, 2 parts of plasticizer, polyester
2 parts of fiber；
Further, the plasticizer is the mixing of dioctyl phthalate, maleic acid dibutyl ester and sebacic acid dibutyl ester
Object, by weight dioctyl phthalate: maleic acid dibutyl ester: sebacic acid dibutyl ester=3:2:1；
Further, the steel slag is that partial size is 10-20mm coarse steel slag and partial size is the mixture of the thin steel slag of 5-10mm, described
The passivated processing of steel slag；
Further, the coarse steel slag and the weight ratio of thin steel slag are 3:1；
Further, the rubber grain is crude rubber particle that partial size is 0.5-1mm and partial size is the thin of 0.05-0.2mm
The weight ratio of the mixture of rubber grain, the crude rubber particle and thin rubbery granule is 3:1.
Beneficial effects of the present invention: steel slag half-flexible pavement material of the invention, by ethoxyl methyl cellulose ether with
Maleic anhydride, allyl ether and hydroxy-ethyl acrylate synergistic effect are to increase the yield stress and apparent viscosity of material, and rubber
Synergistic effect forms reticular structure between particle, pitch and octene polymer, improves the workability, compatibility and disperse of material
Property, while will not influence the physics and mechanical characteristic of material, it is combined using the steel slag of specified particle diameter and the flyash of specified particle diameter
It uses, makes ground surface material that there is continuous pore structure, continuous pore structure is more advantageous to mutual interlocking after cement injection rubber cement, identical
Under stress level effect, reduce curved drawing hardness, increases the number of loading for reaching destruction, so that it is tired to extend resisting for material
Labor service life and water stability.It is soft to improve half to steel slag half-flexible pavement material of the invention by the interaction of feed components
High-temperature stability, low-temperature cracking-resistance, fatigue durability and the water stability of property ground surface material.
Specific embodiment
Embodiment one
The steel slag half-flexible pavement material of the present embodiment, raw material include following component by weight: 80 parts of pitch, steel slag
300 parts, 110 parts of ordinary portland cement, 100 parts of flyash, 5 parts of ethoxyl methyl cellulose ether, 20 parts of rubber grain, octene
3 parts of polymer, 3 parts of maleic anhydride, 2 parts of allyl ether, 1 part of hydroxy-ethyl acrylate, s-B-S block are total
2 parts of polymers, 1 part of plasticizer, 1 part of polyester fiber；
In the present embodiment, the steel slag is that partial size is 10mm coarse steel slag and partial size is the mixture of the thin steel slag of 5mm, the steel
The passivated processing of slag；The coarse steel slag and the weight ratio of thin steel slag are 3:1
In the present embodiment, the rubber grain is the crude rubber particle that partial size is 0.5mm and partial size is 0.05mm thin rubber
The weight ratio of the mixture of glue particle, the crude rubber particle and thin rubbery granule is 3:1.
Embodiment two
The steel slag half-flexible pavement material of the present embodiment, raw material include following component by weight: 120 parts of pitch, steel slag
480 parts, it is 130 parts of ordinary portland cement, 160 parts of flyash, 10 parts of ethoxyl methyl cellulose ether, 30 parts of rubber grain, pungent
8 parts of alkene polymer, 8 parts of maleic anhydride, 6 parts of allyl ether, 3 parts of hydroxy-ethyl acrylate, s-B-S block
4 parts of copolymer, 3 parts of plasticizer, 3 parts of polyester fiber；
In the present embodiment, the steel slag is that partial size is 20mm coarse steel slag and partial size is the mixture of the thin steel slag of 10mm, described
The passivated processing of steel slag；The coarse steel slag and the weight ratio of thin steel slag are 3:1
In the present embodiment, the rubber grain is the crude rubber particle that partial size is 1mm and partial size is 0.2mm thin rubber
The weight ratio of the mixture of grain, the crude rubber particle and thin rubbery granule is 3:1.
Embodiment three
The steel slag half-flexible pavement material of the present embodiment, raw material include following component by weight: 80 parts of pitch, steel slag
500 parts, 110 parts of ordinary portland cement, 160 parts of flyash, 5 parts of ethoxyl methyl cellulose ether, 30 parts of rubber grain, octene
3 parts of polymer, 8 parts of maleic anhydride, 2 parts of allyl ether, 3 parts of hydroxy-ethyl acrylate, s-B-S block are total
2 parts of polymers, 3 parts of plasticizer, 1 part of polyester fiber；
In the present embodiment, the steel slag is that partial size is 10mm coarse steel slag and partial size is the mixture of the thin steel slag of 10mm, described
The passivated processing of steel slag；The coarse steel slag and the weight ratio of thin steel slag are 3:1
In the present embodiment, the rubber grain is the crude rubber particle that partial size is 0.5mm and partial size is 0.2mm thin rubber
The weight ratio of the mixture of particle, the crude rubber particle and thin rubbery granule is 3:1.
Example IV
The steel slag half-flexible pavement material of the present embodiment, raw material include following component by weight: 120 parts of pitch, steel slag
300 parts, it is 130 parts of ordinary portland cement, 100 parts of flyash, 10 parts of ethoxyl methyl cellulose ether, 20 parts of rubber grain, pungent
8 parts of alkene polymer, 3 parts of maleic anhydride, 6 parts of allyl ether, 1 part of hydroxy-ethyl acrylate, s-B-S block
4 parts of copolymer, 1 part of plasticizer, 3 parts of polyester fiber；
In the present embodiment, the steel slag is that partial size is 20mm coarse steel slag and partial size is the mixture of the thin steel slag of 5mm, the steel
The passivated processing of slag；The coarse steel slag and the weight ratio of thin steel slag are 3:1
In the present embodiment, the rubber grain is the crude rubber particle that partial size is mm and partial size is 0.05mm thin rubber
The weight ratio of the mixture of grain, the crude rubber particle and thin rubbery granule is 3:1.
Embodiment five
The steel slag half-flexible pavement material of the present embodiment, raw material include following component by weight: 80 parts of pitch, steel slag
400 parts, 120 parts of ordinary portland cement, 160 parts of flyash, 5 parts of ethoxyl methyl cellulose ether, 25 parts of rubber grain, octene
3 parts of polymer, 8 parts of maleic anhydride, 4 parts of allyl ether, 1 part of hydroxy-ethyl acrylate, s-B-S block are total
4 parts of polymers, 2 parts of plasticizer, 1 part of polyester fiber；
In the present embodiment, the steel slag is that partial size is 15mm coarse steel slag and partial size is the mixture of the thin steel slag of 7mm, the steel
The passivated processing of slag；The coarse steel slag and the weight ratio of thin steel slag are 3:1
In the present embodiment, the rubber grain is the crude rubber particle that partial size is 0.8mm and partial size is 0.1mm thin rubber
The weight ratio of the mixture of particle, the crude rubber particle and thin rubbery granule is 3:1.
Embodiment six
The steel slag half-flexible pavement material of the present embodiment, raw material include following component by weight: 100 parts of pitch, steel slag
450 parts, 120 parts of ordinary portland cement, 150 parts of flyash, 8 parts of ethoxyl methyl cellulose ether, 25 parts of rubber grain, octene
5 parts of polymer, 5 parts of maleic anhydride, 4 parts of allyl ether, 2 parts of hydroxy-ethyl acrylate, s-B-S block are total
3 parts of polymers, 2 parts of plasticizer, 2 parts of polyester fiber；
In the present embodiment, the steel slag is that partial size is 10-20mm coarse steel slag and partial size is the mixture of the thin steel slag of 5-10mm,
The passivated processing of steel slag；The coarse steel slag and the weight ratio of thin steel slag are 3:1
In the present embodiment, the rubber grain is the crude rubber particle that partial size is 0.5-1mm and partial size is 0.05-0.2mm
Thin rubbery granule mixture, the weight ratio of the crude rubber particle and thin rubbery granule is 3:1.
In above-described embodiment, the plasticizer is dioctyl phthalate, maleic acid dibutyl ester and sebacic acid dibutyl ester
Mixture, by weight dioctyl phthalate: maleic acid dibutyl ester: sebacic acid dibutyl ester=3:2:1.
The high-temperature stability of half-flexible pavement material, sample dimensions 300mm*300mm* are evaluated using wheel tracking test
50mm, test temperature are 60 DEG C, and test contact wheel load is 0.7MPa, and test result is as follows:
The cryogenic property of half-flexible pavement material is analyzed using using low temperature bend test.The examination that this test uses
Testing temperature is -10 DEG C, loading speed 5mm/min.Test specimen is girder made of the molding vehicle test block cutting of rolling, having a size of
30mm*35mm*250mm needs before bend test to keep the temperature 6h or more to test specimen.Test result is as follows:
It is steady come the water for testing half-flexible pavement material using the test of immersion Marshall residual stability and indirect tensile test on frozen-thaw
Qualitative energy:
Using immersion Marshall residual stability test result:
Indirect tensile test on frozen-thaw result is as follows:
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (7)
1. a kind of steel slag half-flexible pavement material, it is characterised in that: raw material includes following component by weight: pitch 80-120
Part, 300-500 parts of steel slag, 110-130 parts of ordinary portland cement, 100-160 parts of flyash, ethoxyl methyl cellulose ether 5-
10 parts, 20-30 parts of rubber grain, 3-8 parts of octene polymer, 3-8 parts of maleic anhydride, 2-6 parts of allyl ether, hydroxy-ethyl acrylate
1-3 parts, 2-4 parts of Styrene-Butadiene-Styrene Block Copolymer, 1-3 parts of plasticizer, 1-3 parts of polyester fiber.
2. steel slag half-flexible pavement material according to claim 1, it is characterised in that: the weight of the flyash and steel slag
Than are as follows: flyash: steel slag=1:3.
3. steel slag half-flexible pavement material according to claim 2, it is characterised in that: raw material includes with the following group by weight
Part: 100 parts of pitch, 450 parts of steel slag, 120 parts of ordinary portland cement, 150 parts of flyash, 8 parts of ethoxyl methyl cellulose ether,
25 parts of rubber grain, 5 parts of octene polymer, 5 parts of maleic anhydride, 4 parts of allyl ether, 2 parts of hydroxy-ethyl acrylate, styrene-fourth
3 parts of styrene block copolymer, 2 parts of plasticizer, 2 parts of polyester fiber.
4. steel slag half-flexible pavement material according to claim 1, it is characterised in that: the plasticizer is phthalic acid
The mixture of dioctyl ester, maleic acid dibutyl ester and sebacic acid dibutyl ester, by weight dioctyl phthalate: maleic acid two is pungent
Rouge: sebacic acid dibutyl ester=3:2:1.
5. steel slag half-flexible pavement material according to claim 4, it is characterised in that: the steel slag is that partial size is 10-
20mm coarse steel slag and partial size are the mixture of the thin steel slag of 5-10mm, the passivated processing of steel slag.
6. steel slag half-flexible pavement material according to claim 5, it is characterised in that: the weight of the coarse steel slag and thin steel slag
Amount is than being 3:1.
7. steel slag half-flexible pavement material according to claim 6, it is characterised in that: the rubber grain is that partial size is
The crude rubber particle and partial size of 0.5-1mm is the mixture of the thin rubbery granule of 0.05-0.2mm, the crude rubber particle and thin
The weight ratio of rubber grain is 3:1.
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| CN201910544502.3A CN110194626B (en) | 2019-06-21 | 2019-06-21 | Steel slag semi-flexible pavement material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910544502.3A CN110194626B (en) | 2019-06-21 | 2019-06-21 | Steel slag semi-flexible pavement material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995297A (en) * | 2020-09-09 | 2020-11-27 | 长安大学 | Porous low-noise pavement asphalt mixture and preparation method thereof |
| CN113501678A (en) * | 2021-08-10 | 2021-10-15 | 温州恒福新型建材有限公司 | Novel stone-imitated ecological water permeable brick and preparation method thereof |
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| CN101187193A (en) * | 2007-12-06 | 2008-05-28 | 武汉理工大学 | Half-flexible water drainage skid-free noise-reducing road surface pavement structure |
| CN106186922A (en) * | 2016-07-01 | 2016-12-07 | 江苏天诺道路材料科技有限公司 | Semi rigid bituminous surface material and preparation method thereof |
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2019
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| CN101187193A (en) * | 2007-12-06 | 2008-05-28 | 武汉理工大学 | Half-flexible water drainage skid-free noise-reducing road surface pavement structure |
| CN106186922A (en) * | 2016-07-01 | 2016-12-07 | 江苏天诺道路材料科技有限公司 | Semi rigid bituminous surface material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995297A (en) * | 2020-09-09 | 2020-11-27 | 长安大学 | Porous low-noise pavement asphalt mixture and preparation method thereof |
| CN113501678A (en) * | 2021-08-10 | 2021-10-15 | 温州恒福新型建材有限公司 | Novel stone-imitated ecological water permeable brick and preparation method thereof |
| CN113501678B (en) * | 2021-08-10 | 2022-01-07 | 温州恒福新型建材有限公司 | Stone-like ecological water permeable brick and preparation method thereof |
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