CN110194626B - Steel slag semi-flexible pavement material - Google Patents
Steel slag semi-flexible pavement material Download PDFInfo
- Publication number
- CN110194626B CN110194626B CN201910544502.3A CN201910544502A CN110194626B CN 110194626 B CN110194626 B CN 110194626B CN 201910544502 A CN201910544502 A CN 201910544502A CN 110194626 B CN110194626 B CN 110194626B
- Authority
- CN
- China
- Prior art keywords
- parts
- steel slag
- rubber particles
- coarse
- particle size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Landscapes
- 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 steel slag semi-flexible pavement material, which comprises the following raw materials of asphalt, steel slag, ordinary portland cement, fly ash, hydroxyethyl methyl cellulose ether, rubber particles, an octene polymer, maleic anhydride, allyl ether, hydroxyethyl acrylate, a styrene-butadiene-styrene segmented copolymer, a plasticizer and polyester fiber; the yield stress and the apparent viscosity of the material are increased through the synergistic effect of the hydroxyethyl methyl cellulose ether, the maleic anhydride, the allyl ether and the hydroxyethyl acrylate, a net structure is formed through the synergistic effect among the rubber particles, the asphalt and the octene polymer, the workability, the compatibility and the dispersivity of the material are improved, and the pavement material has a continuous pore structure by adopting the combined use of the steel slag with a specific particle size and the fly ash with a specific particle size, so that the fatigue resistance life and the water stability of the material are prolonged.
Description
Technical Field
The invention relates to a pavement material, in particular to a steel slag semi-flexible pavement material.
Background
The semi-flexible pavement is a pavement formed by pouring cement mortar into a large-aperture (porosity of 20-25%) asphalt mixture matrix pavement and maintaining for a period of time, and has the flexibility higher than that of cement concrete and the rigidity higher than that of asphalt concrete. Relevant researches show that the semi-flexible pavement can well avoid the phenomena of pavement damage such as early damage, local upwelling, pavement slushing, pavement edge cracking and the like, and has excellent high-temperature stability, low-temperature crack resistance, fatigue resistance and skid resistance. After the existing steel slag semi-flexible pavement material is applied to a pavement, the rutting resistance of the pavement is enhanced, the overall bearing capacity of the pavement is also improved, and the cracking resistance and the adhesion of an asphalt mixture are also improved, for example, the steel slag semi-flexible pavement material with the application number of 201611167125.9 has the advantages that the traffic volume and the axle load are rapidly increased, so that higher requirements on the strength and the stability of a highway pavement structure are provided, and the requirements of a user on the driving speed and the comfort are continuously improved. Based on this, the existing semi-flexible pavement materials need further improvement in high temperature stability, low temperature crack resistance, fatigue resistance and water stability.
Disclosure of Invention
In view of the above, the invention aims to provide a steel slag semi-flexible pavement material, which improves the high-temperature stability, low-temperature crack resistance, fatigue resistance and water stability of the semi-flexible pavement material.
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 80-120 parts of asphalt, 500 parts of steel slag 300-;
further, the weight ratio of the fly ash to the steel slag is as follows: fly ash: steel slag 1: 3;
further, the raw materials comprise the following components in parts by weight: 100 parts of asphalt, 450 parts of steel slag, 120 parts of ordinary portland cement, 150 parts of fly ash, 8 parts of hydroxyethyl methyl cellulose ether, 25 parts of rubber particles, 5 parts of octene polymer, 5 parts of maleic anhydride, 4 parts of allyl ether, 2 parts of hydroxyethyl acrylate, 3 parts of styrene-butadiene-styrene block copolymer, 2 parts of plasticizer and 2 parts of polyester fiber;
further, the plasticizer is a mixture of dioctyl phthalate, dioctyl maleate and dioctyl sebacate, and the weight ratio of dioctyl phthalate: dioctyl maleate: dioctyl sebacate ═ 3: 2: 1;
further, the steel slag is a mixture of coarse steel slag with the grain size of 10-20mm and fine steel slag with the grain size of 5-10mm, and the steel slag is passivated;
further, the weight ratio of the coarse steel slag to the fine steel slag is 3: 1;
further, the rubber particles are a mixture of coarse rubber particles with the particle size of 0.5-1mm and fine rubber particles with the particle size of 0.05-0.2mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
the invention has the beneficial effects that: the steel slag semi-flexible pavement material increases the yield stress and apparent viscosity of the material through the synergistic effect of the hydroxyethyl methyl cellulose ether, the maleic anhydride, the allyl ether and the hydroxyethyl acrylate, and the rubber particles, the asphalt and the octene polymer form a net structure through the synergistic effect, so that the workability, the compatibility and the dispersivity of the material are improved, and the physical and mechanical properties of the material are not influenced. The steel slag semi-flexible pavement material disclosed by the invention has the advantages that the high-temperature stability, the low-temperature crack resistance, the fatigue resistance and the water stability of the semi-flexible pavement material are improved through the interaction of the components of the raw materials.
Detailed Description
Example one
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 80 parts of asphalt, 300 parts of steel slag, 110 parts of ordinary portland cement, 100 parts of fly ash, 5 parts of hydroxyethyl methyl cellulose ether, 20 parts of rubber particles, 3 parts of octene polymer, 3 parts of maleic anhydride, 2 parts of allyl ether, 1 part of hydroxyethyl acrylate, 2 parts of styrene-butadiene-styrene block copolymer, 1 part of plasticizer and 1 part of polyester fiber;
in the embodiment, the steel slag is a mixture of coarse steel slag with the grain size of 10mm and fine steel slag with the grain size of 5mm, and the steel slag is passivated; the weight ratio of the coarse steel slag to the fine steel slag is 3: 1
In this embodiment, the rubber particles are a mixture of coarse rubber particles having a particle size of 0.5mm and fine rubber particles having a particle size of 0.05mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
example two
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 120 parts of asphalt, 480 parts of steel slag, 130 parts of ordinary portland cement, 160 parts of fly ash, 10 parts of hydroxyethyl methyl cellulose ether, 30 parts of rubber particles, 8 parts of octene polymer, 8 parts of maleic anhydride, 6 parts of allyl ether, 3 parts of hydroxyethyl acrylate, 4 parts of styrene-butadiene-styrene block copolymer, 3 parts of plasticizer and 3 parts of polyester fiber;
in the embodiment, the steel slag is a mixture of coarse steel slag with the particle size of 20mm and fine steel slag with the particle size of 10mm, and the steel slag is passivated; the weight ratio of the coarse steel slag to the fine steel slag is 3: 1
In this embodiment, the rubber particles are a mixture of coarse rubber particles having a particle size of 1mm and fine rubber particles having a particle size of 0.2mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
EXAMPLE III
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 80 parts of asphalt, 500 parts of steel slag, 110 parts of ordinary portland cement, 160 parts of fly ash, 5 parts of hydroxyethyl methyl cellulose ether, 30 parts of rubber particles, 3 parts of octene polymer, 8 parts of maleic anhydride, 2 parts of allyl ether, 3 parts of hydroxyethyl acrylate, 2 parts of styrene-butadiene-styrene block copolymer, 3 parts of plasticizer and 1 part of polyester fiber;
in the embodiment, the steel slag is a mixture of coarse steel slag with the particle size of 10mm and fine steel slag with the particle size of 10mm, and the steel slag is passivated; the weight ratio of the coarse steel slag to the fine steel slag is 3: 1
In this embodiment, the rubber particles are a mixture of coarse rubber particles having a particle size of 0.5mm and fine rubber particles having a particle size of 0.2mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
example four
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 120 parts of asphalt, 300 parts of steel slag, 130 parts of ordinary portland cement, 100 parts of fly ash, 10 parts of hydroxyethyl methyl cellulose ether, 20 parts of rubber particles, 8 parts of octene polymer, 3 parts of maleic anhydride, 6 parts of allyl ether, 1 part of hydroxyethyl acrylate, 4 parts of styrene-butadiene-styrene block copolymer, 1 part of plasticizer and 3 parts of polyester fiber;
in the embodiment, the steel slag is a mixture of coarse steel slag with the particle size of 20mm and fine steel slag with the particle size of 5mm, and the steel slag is passivated; the weight ratio of the coarse steel slag to the fine steel slag is 3: 1
In this embodiment, the rubber particles are a mixture of coarse rubber particles having a particle size of mm and fine rubber particles having a particle size of 0.05mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
EXAMPLE five
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 80 parts of asphalt, 400 parts of steel slag, 120 parts of ordinary portland cement, 160 parts of fly ash, 5 parts of hydroxyethyl methyl cellulose ether, 25 parts of rubber particles, 3 parts of octene polymer, 8 parts of maleic anhydride, 4 parts of allyl ether, 1 part of hydroxyethyl acrylate, 4 parts of styrene-butadiene-styrene block copolymer, 2 parts of plasticizer and 1 part of polyester fiber;
in the embodiment, the steel slag is a mixture of coarse steel slag with the particle size of 15mm and fine steel slag with the particle size of 7mm, and the steel slag is passivated; the weight ratio of the coarse steel slag to the fine steel slag is 3: 1
In this embodiment, the rubber particles are a mixture of coarse rubber particles having a particle size of 0.8mm and fine rubber particles having a particle size of 0.1mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
EXAMPLE six
The steel slag semi-flexible pavement material comprises the following raw materials in parts by weight: 100 parts of asphalt, 450 parts of steel slag, 120 parts of ordinary portland cement, 150 parts of fly ash, 8 parts of hydroxyethyl methyl cellulose ether, 25 parts of rubber particles, 5 parts of octene polymer, 5 parts of maleic anhydride, 4 parts of allyl ether, 2 parts of hydroxyethyl acrylate, 3 parts of styrene-butadiene-styrene block copolymer, 2 parts of plasticizer and 2 parts of polyester fiber;
in the embodiment, the steel slag is a mixture of coarse steel slag with the grain size of 10-20mm and fine steel slag with the grain size of 5-10mm, and the steel slag is passivated; the weight ratio of the coarse steel slag to the fine steel slag is 3: 1
In this embodiment, the rubber particles are a mixture of coarse rubber particles having a particle size of 0.5 to 1mm and fine rubber particles having a particle size of 0.05 to 0.2mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
in the above examples, the plasticizer is a mixture of dioctyl phthalate, dioctyl maleate and dioctyl sebacate, and the weight ratio of dioctyl phthalate: dioctyl maleate: dioctyl sebacate ═ 3: 2: 1.
the high-temperature stability of the semi-flexible pavement material is evaluated by adopting a rutting test, the size of a test piece is 300mm x 50mm, the test temperature is 60 ℃, the test contact wheel pressure is 0.7MPa, and the test results are as follows:
and analyzing the low-temperature performance of the semi-flexible pavement material by adopting a low-temperature bending test. The test temperature adopted in the test is-10 ℃, and the loading rate is 5 mm/min. The test piece is a small beam formed by cutting a wheel-rolled vehicle test block, the size of the small beam is 30mm x 35mm x 250mm, and the test piece needs to be insulated for more than 6 hours before a bending test. The test results are as follows:
the water stability of the semi-flexible pavement material is tested by adopting a water immersion Marshall residual stability test and a freeze-thaw splitting test:
the results of the Marshall's residual stability test by soaking:
the results of the freeze-thaw cleavage test are as follows:
finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (2)
1. The steel slag semi-flexible pavement material is characterized in that: the raw materials comprise the following components in parts by weight: 80-120 parts of asphalt, 500 parts of steel slag 300-; the weight ratio of the fly ash to the steel slag is as follows: fly ash: steel slag = 1: 3, the plasticizer is a mixture of dioctyl phthalate, dioctyl maleate and dioctyl sebacate, and the weight ratio of dioctyl phthalate: dioctyl maleate: dioctyl sebacate = 3: 2: 1, the steel slag is a mixture of coarse steel slag with the grain size of 10-20mm and fine steel slag with the grain size of 5-10mm, the steel slag is passivated, and the weight ratio of the coarse steel slag to the fine steel slag is 3: 1, the rubber particles are a mixture of coarse rubber particles with the particle size of 0.5-1mm and fine rubber particles with the particle size of 0.05-0.2mm, and the weight ratio of the coarse rubber particles to the fine rubber particles is 3: 1.
2. the steel slag semi-flexible pavement material as claimed in claim 1, characterized in that: the raw materials comprise the following components in parts by weight: 100 parts of asphalt, 450 parts of steel slag, 120 parts of ordinary portland cement, 150 parts of fly ash, 8 parts of hydroxyethyl methyl cellulose ether, 25 parts of rubber particles, 5 parts of octene polymer, 5 parts of maleic anhydride, 4 parts of allyl ether, 2 parts of hydroxyethyl acrylate, 3 parts of styrene-butadiene-styrene block copolymer, 2 parts of plasticizer and 2 parts of polyester fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544502.3A CN110194626B (en) | 2019-06-21 | 2019-06-21 | Steel slag semi-flexible pavement material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910544502.3A CN110194626B (en) | 2019-06-21 | 2019-06-21 | Steel slag semi-flexible pavement material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110194626A CN110194626A (en) | 2019-09-03 |
| CN110194626B true CN110194626B (en) | 2022-01-28 |
Family
ID=67754896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910544502.3A Active CN110194626B (en) | 2019-06-21 | 2019-06-21 | Steel slag semi-flexible pavement material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110194626B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995297B (en) * | 2020-09-09 | 2022-06-03 | 长安大学 | Porous low-noise pavement asphalt mixture 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-06-21 CN CN201910544502.3A patent/CN110194626B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 粘度改性剂对掺聚羧酸减水剂的水泥浆体流变学性能的影响;武增礼等;《第七届全国混凝土耐久性学术交流会论文集》;20081031;613-621 * |
| 钢渣集料半柔性路面材料的制备与性能研究;袁高明等;《武汉理工大学学报（交通科学与工程版）》;20180228;159-162 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110194626A (en) | 2019-09-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110194626B (en) | Steel slag semi-flexible pavement material | |
| KR101672700B1 (en) | Cement concrete composite with high performance and self-repairing and repair method for concrete structure using the composite | |
| KR101193390B1 (en) | Polymer modified early strength cement concrete composite and repairing method of concrete structure using the composite | |
| KR101681936B1 (en) | A high functionality of high early strength cement concrete composition for road pavement and a repairing method of road pavement using the same | |
| KR101389741B1 (en) | Polymer modified high-performance quick-hardening cement concrete composite and overlay pavement method for concrete using the composite | |
| KR101389745B1 (en) | Polymer modified high-performance cement concrete composite for revealing high early strength and overlay pavement method for concrete using the composite | |
| CN110156397A (en) | A kind of high-strength and high ductility Self-leveling lightweight aggregate concrete and its preparation method | |
| CN1834050A (en) | Plastic anti-crack modified fiber of cement-based material and prepn. process | |
| CN109400078B (en) | Pervious concrete | |
| CN109626901B (en) | Preparation method of high-toughness cement concrete | |
| KR101368214B1 (en) | Polymer cement concrete composite for revealing high early strength and repairing method of concrete structure using the composite | |
| KR101288349B1 (en) | Early strength polymer modified cement concrete composite, manufacturing method of the composite and repairing method of concrete structure using the composite | |
| CN104909679A (en) | Cement concrete pavement renewing material and preparation method thereof | |
| KR101176823B1 (en) | Latex modified concrete composition used polyfiber and polymer powder | |
| CN106587885A (en) | Patching material for waterproof-layer protective layers of bridge floors of existing railway bridges and application of patching material | |
| KR101296824B1 (en) | Cement composition having high toughness fiber and pavement method for bridge surface using the same | |
| CN110230240B (en) | Steel slag semi-flexible composite pavement structure | |
| KR101558859B1 (en) | Rapid-hardening and high ductility cement concrete composition and manufacture of therof | |
| Ammash et al. | Using of waste glass as fine aggregate in concrete | |
| EP3178797B1 (en) | Ductile construction material | |
| KR101516214B1 (en) | Quick-hardening cement concrete composite having improved properties and repairing method for concrete structure using the composite | |
| EP3415482A1 (en) | Dry premixture for flexible concrete and method for its preparation and use thereof | |
| KR101168966B1 (en) | Ultra rapid harding latex modified concrete composition used poly fiber and polymer powder | |
| KR101194555B1 (en) | Cement concrete composite and repairing method of concrete structure using the composite | |
| KR101288346B1 (en) | Polymer modified cement concrete composite, manufacturing method of the composite, concrete pavement method using the composite and repairing method of concrete structure using the composite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |