CN108069654B - Concrete special for paver and preparation method and construction method thereof - Google Patents
Concrete special for paver and preparation method and construction method thereof Download PDFInfo
- Publication number
- CN108069654B CN108069654B CN201711319899.3A CN201711319899A CN108069654B CN 108069654 B CN108069654 B CN 108069654B CN 201711319899 A CN201711319899 A CN 201711319899A CN 108069654 B CN108069654 B CN 108069654B
- Authority
- CN
- China
- Prior art keywords
- parts
- paver
- concrete
- special
- rice
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/142—Mixtures or their components, e.g. aggregate
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/10—Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
- E01C7/14—Concrete paving
- E01C7/147—Repairing concrete pavings, e.g. joining cracked road sections by dowels, applying a new concrete covering
-
- 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
-
- 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
- C04B2201/52—High compression strength concretes, i.e. with a compression strength higher than about 55 N/mm2, e.g. reactive powder concrete [RPC]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses special concrete for a paver, which is prepared from the following raw materials in parts by weight: 430 portions of Portland cement 410-containing material, 40-80 portions of silica fume, 680 portions of rice stone 660-containing material, 1050 portions of sand 950-containing material, 25-40 portions of steel fiber, 40-50 portions of nano calcium carbonate, 5-10 portions of polypropylene synthetic fiber and 170 portions of water-containing material. The invention also discloses a preparation method and a construction method of the concrete special for the paver. The concrete provided by the invention can improve the one-time spraying thickness of the concrete, and has the characteristics of quick initial strength, high later strength, good impermeability, high bonding strength, high compressive strength, high toughness and convenience in construction.
Description
Technical Field
The invention relates to concrete, in particular to special concrete for a paver and a preparation method and a construction method thereof.
Background
In part of newly-built concrete projects and structural maintenance, reinforcement and modification projects, the problem of interface bonding of new and old concrete is often involved, and the quality of the interface bonding of the new and old concrete directly influences the project quality. In order to make the new and old concrete really become a whole to work together, the good bonding of the new and old concrete interface becomes the key point. In many projects, cracks appear on the bonding surfaces of new and old concrete after working for a period of time, and the new-patch concrete also has the phenomena of peeling and cracking, so that the use function and the safety of the whole structure are damaged again, and the ideal effect cannot be achieved.
In the prior art, the surface treatment method comprises a manual roughening method, a high-pressure water jetting method, a sand blasting method, a steel brush cleaning method, a steam spraying method, an acid etching method and the like, and each method has the advantages and the disadvantages. The manual roughening method is the most common method in the engineering in China at present, and has the advantages of convenient, simple and quick construction, no need of any mechanical equipment, easy operation, low cost and the like, but also has the defects of disturbance on the surface of the original concrete, possibility of generating additional microcracks, inconvenience for large-area mechanized construction, poor binding power and the like.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the concrete special for the spreading machine, which can improve the one-time spraying thickness of the concrete and has the characteristics of quick initial strength, high later strength, good impermeability, high bonding strength, high compressive strength, high toughness and convenient construction.
The invention also aims to provide a preparation method of the concrete special for the paver.
The invention also aims to provide a construction method of the concrete special for the paver.
One of the purposes of the invention is realized by adopting the following technical scheme:
the concrete special for the paver is characterized by being prepared from the following raw materials in parts by weight: 430 portions of Portland cement 410-containing material, 40-80 portions of silica fume, 680 portions of rice stone 660-containing material, 1050 portions of sand 950-containing material, 25-40 portions of steel fiber, 40-50 portions of nano calcium carbonate, 5-10 portions of polypropylene synthetic fiber and 170 portions of water-containing material.
Further, the concrete special for the paver is prepared from the following raw materials in parts by weight: 420 parts of Portland cement, 60 parts of silica fume, 670 parts of rice stone, 1000 parts of sand, 30 parts of steel fiber, 45 parts of nano calcium carbonate, 8 parts of polypropylene synthetic fiber and 160 parts of water.
Further, the rice stones comprise first rice stones and second rice stones, the diameter of the first rice stones is 2-5mm, the diameter of the second rice stones is 5-10mm, and the weight ratio of the first rice stones to the second rice stones is 1: 2-2.5.
Further, the steel fiber comprises a first steel fiber and a second steel fiber, wherein the diameter of the first steel fiber is 0.10mm-0.15mm, and the length of the first steel fiber is 3mm-5 mm; the diameter of the second steel fiber is 0.15mm-0.20mm, and the length is 8mm-11 mm; the weight ratio of the first steel fiber to the second steel fiber is 1: 1-3.
Furthermore, the particle size of the nano calcium carbonate is between 20 and 40 nm.
Further, the silica fume is spherical particles, and the particle size is between 0.1 and 0.2 microns.
The second purpose of the invention is realized by adopting the following technical scheme:
the preparation method of the concrete special for the paver is characterized by comprising the following steps of:
material preparation: preparing raw materials according to a formula ratio;
stirring: firstly, respectively adding the silicate cement, the silica fume, the rice stone, the sand, the steel fiber, the nano calcium carbonate and the polypropylene synthetic fiber in the formula ratio into a stirring device for stirring, after uniformly stirring, adding the water in the formula ratio for stirring and fluidizing, controlling the stirring speed at 20-30r/min, and stirring for 10-15min to obtain the concrete special for the paver.
The third purpose of the invention is realized by adopting the following technical scheme:
a construction method of concrete special for a paver is characterized by comprising the following steps:
coating an interface binder: coating a layer of interface adhesive on a pre-repaired pavement base;
the preparation method of the concrete special for the paver comprises the following steps: preparing the concrete special for the paver according to the second aim of the invention;
paving construction: before paving, coating a layer of interface adhesive on the surface of the bottom layer of the asphalt concrete paver; and then, delivering the special concrete for the paver into an asphalt concrete paver, uniformly paving the special concrete for the paver on a base layer of the pavement according to the design requirement by using the asphalt concrete paver with a certain width and thickness, and performing paving construction and forming.
Further, in the step of coating the interface binder, before coating, roughening and removing slurry of the pavement base layer are carried out, and the pavement base layer is cleaned.
Furthermore, in the paving construction step, in the paving operation process of the asphalt concrete paver, the rammer mechanism and the vibration mechanism of the screed of the asphalt concrete paver are started, and paving molding is completed under the action of ramming pressure of the rammer of the screed, the self weight of the screed and the striking vibration force of the vibration mechanism.
The invention has the beneficial effects that:
1. the invention utilizes the combination of the silica fume, the rice stone, the sand, the steel fiber, the nano calcium carbonate and the polypropylene synthetic fiber to improve the one-time spraying thickness of the concrete, has the advantages of quick initial-stage strength, high later-stage strength, good impermeability and high bonding strength, improves the toughness, the anti-seismic and anti-explosion performance of the concrete, and effectively improves the early-stage crack resistance of the concrete. In addition, the stones with two specifications and the steel fibers with two specifications are mixed for use, the grain composition of the raw materials is optimized, the compressive strength and the toughness are improved, and the construction performance is good.
2. The preparation method and the construction method have the characteristics of convenient construction and high working efficiency.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.
The concrete special for the paver is prepared from the following raw materials in parts by weight: 430 portions of Portland cement 410-containing material, 40-80 portions of silica fume, 680 portions of rice stone 660-containing material, 1050 portions of sand 950-containing material, 25-40 portions of steel fiber, 40-50 portions of nano calcium carbonate, 5-10 portions of polypropylene synthetic fiber and 170 portions of water-containing material.
As a preferred implementation method, the concrete special for the paver is prepared from the following raw materials in parts by weight: 420 parts of Portland cement, 60 parts of silica fume, 670 parts of rice stone, 1000 parts of sand, 30 parts of steel fiber, 45 parts of nano calcium carbonate, 8 parts of polypropylene synthetic fiber and 160 parts of water.
As a preferred implementation method, the rice stones comprise first rice stones and second rice stones, the diameter of the first rice stones is 2-5mm, the diameter of the second rice stones is 5-10mm, and the weight ratio of the first rice stones to the second rice stones is 1: 2-2.5.
As a preferred implementation method, the steel fibers comprise first steel fibers and second steel fibers, the first steel fibers have a diameter of 0.10mm to 0.15mm and a length of 3mm to 5 mm; the diameter of the second steel fiber is 0.15mm-0.20mm, and the length is 8mm-11 mm; the weight ratio of the first steel fiber to the second steel fiber is 1: 1-3. The design can improve the breaking strength of concrete and improve the workability.
As a preferable implementation method, the particle size of the nano calcium carbonate is between 20 and 40 nm. The design can improve the breaking strength.
As a preferred implementation method, the silica fume is spherical particles, and the particle size is between 0.1 and 0.2 μm. The invention controls the particle size of the silica fume to be 0.1-0.2 mu m, is a high-activity admixture, forms good gradation with cement, participates in cement hydration and improves the strength. If the particle size of the silica fume is too large, the activity is poor, and the compressive and flexural strength can be affected, and if the silica fume is not spherical particles, the slump is small.
As a preferable implementation method, the polypropylene synthetic fiber is prepared by adding modified master batch into polypropylene chips for blending, spinning and stretching, and is used as an engineering fiber for cracking resistance and seepage prevention of concrete/mortar. The concrete/mortar composite material can prevent and reduce the initial plastic cracks of the concrete/mortar, and is a 'secondary reinforcing rib' of the concrete/mortar. The material is 100% modified polypropylene, which is added into the concrete/mortar base material after special antistatic and anti-ultraviolet treatment, and can be quickly and easily mixed with the concrete/mortar material and uniformly dispersed. After chemical grafting and physical modification treatment, the surface is rough and porous, and the binding force of the fiber and the cement-based aggregate is greatly improved. The product has large specific surface area, and each cubic meter of concrete has nearly thirty fibers, so that a three-dimensional disorientation supporting system can be formed in the concrete, the generation and development of non-structural cracks such as early plastic shrinkage, dry shrinkage and the like of the concrete/mortar can be effectively controlled, and the cracks in the concrete/mortar are greatly reduced; effectively prevent the segregation of the aggregate and prevent the formation of settlement cracks. The polypropylene synthetic fiber can improve the performances of cracking resistance, permeability resistance, impact resistance, frost resistance, ultraviolet radiation resistance and the like of the concrete, and can increase the toughness and the wear resistance of the concrete. Preferably selected from: FEBS-P, a type manufactured by Tianyi engineering fibers, Inc., of Changzhou city.
A preparation method of concrete special for a paver comprises the following steps:
material preparation: preparing raw materials according to a formula ratio;
stirring: firstly, respectively adding the silicate cement, the silica fume, the rice stone, the sand, the steel fiber, the nano calcium carbonate and the polypropylene synthetic fiber in the formula ratio into a stirring device for stirring, after uniformly stirring, adding the water in the formula ratio for stirring and fluidizing, controlling the stirring speed at 20-30r/min, and stirring for 10-15min to obtain the concrete special for the paver.
A construction method of concrete special for a paver comprises the following steps:
coating an interface binder: coating a layer of interface adhesive on a pre-repaired pavement base;
the preparation method of the concrete special for the paver comprises the following steps: preparing the concrete special for the paver according to the second aim of the invention;
paving construction: before paving, coating a layer of interface adhesive on the surface of the bottom layer of the asphalt concrete paver; and then, delivering the special concrete for the paver into an asphalt concrete paver, uniformly paving the special concrete for the paver on a base layer of the pavement according to the design requirement by using the asphalt concrete paver with a certain width and thickness, and performing paving construction and forming.
In the step of applying the interfacial adhesive, before applying the interfacial adhesive, the pavement base is roughened, subjected to slurry removal treatment, and cleaned.
In the paving construction step, in the paving operation process of the asphalt concrete paver, a rammer mechanism and a vibration mechanism of a screed plate of the asphalt concrete paver are started, and paving forming is completed under the action of ramming of the screed plate, the self weight of the screed plate and the action of the striking vibration of the vibration mechanism.
In the following, specific examples of the present invention are described, and raw materials, equipment and the like used in the following examples can be obtained by purchasing them unless otherwise specified.
Example 1:
the concrete special for the paver is prepared from the following raw materials in parts by weight: 420 parts of Portland cement, 60 parts of silica fume, 670 parts of rice stone, 1000 parts of sand, 30 parts of steel fiber, 45 parts of nano calcium carbonate, 8 parts of polypropylene synthetic fiber and 160 parts of water.
The rice stones comprise first rice stones and second rice stones, the diameter of the first rice stones is 2-5mm, the diameter of the second rice stones is 5-10mm, and the weight ratio of the first rice stones to the second rice stones is 1:2.
The steel fibers comprise first steel fibers and second steel fibers, the diameter of each first steel fiber is 0.10-0.15 mm, and the length of each first steel fiber is 3-5 mm; the diameter of the second steel fiber is 0.15mm-0.20mm, and the length is 8mm-11 mm; the weight ratio of the first steel fibers to the second steel fibers is 1: 3.
A preparation method of concrete special for a paver comprises the following steps:
material preparation: preparing raw materials according to a formula ratio;
stirring: firstly, respectively adding the silicate cement, the silica fume, the rice stone, the sand, the steel fiber, the nano calcium carbonate and the polypropylene synthetic fiber in the formula ratio into a stirring device for stirring, after uniformly stirring, adding the water in the formula ratio for stirring and fluidizing, controlling the stirring speed at 25r/min, and stirring for 12min to obtain the concrete special for the paver.
A construction method of concrete special for a paver comprises the following steps:
coating an interface binder: coating a layer of interface adhesive on a pre-repaired pavement base;
the preparation method of the concrete special for the paver comprises the following steps: preparing the concrete special for the paver according to the second aim of the invention;
paving construction: before paving, coating a layer of interface adhesive on the surface of the bottom layer of the asphalt concrete paver; and then, delivering the special concrete for the paver into an asphalt concrete paver, uniformly paving the special concrete for the paver on a base layer of the pavement according to the design requirement by using the asphalt concrete paver with a certain width and thickness, and performing paving construction and forming.
Example 2:
the concrete special for the paver is prepared from the following raw materials in parts by weight: 420 parts of Portland cement, 60 parts of silica fume, 670 parts of rice stone, 1000 parts of sand, 30 parts of steel fiber, 45 parts of nano calcium carbonate, 8 parts of polypropylene synthetic fiber and 160 parts of water.
The rice stones comprise first rice stones and second rice stones, the diameter of the first rice stones is 2-5mm, the diameter of the second rice stones is 5-10mm, and the weight ratio of the first rice stones to the second rice stones is 1: 2.5.
The steel fibers comprise first steel fibers and second steel fibers, the diameter of each first steel fiber is 0.10-0.15 mm, and the length of each first steel fiber is 3-5 mm; the diameter of the second steel fiber is 0.15mm-0.20mm, and the length is 8mm-11 mm; the weight ratio of the first steel fibers to the second steel fibers is 1:2.
The rest is the same as in example 1.
Example 3:
the concrete special for the paver is prepared from the following raw materials in parts by weight: 410 parts of Portland cement, 40 parts of silica fume, 660 parts of rice stone, 950 parts of sand, 25 parts of steel fiber, 40 parts of nano calcium carbonate, 5 parts of polypropylene synthetic fiber and 150 parts of water.
The rest is the same as in example 1.
Example 4:
the concrete is prepared from 430 parts by weight of portland cement, 80 parts by weight of silica fume, 680 parts by weight of rice stone, 1050 parts by weight of sand, 40 parts by weight of steel fiber, 50 parts by weight of nano calcium carbonate, 10 parts by weight of polypropylene synthetic fiber and 170 parts by weight of water.
The rest is the same as in example 1.
Performance detection
The concrete of examples 1 to 4 were examined and the results are shown in Table 1.
TABLE 1
| Item | Example 1 | Example 2 | Example 3 | Example 4 |
| Slump | 218mm | 206mm | 188mm | 196mm |
| Compressive strength | 56.8MPa | 48.3MPa | 46.8MPa | 47.5MPa |
| Flexural strength | 21.2MPa | 20.3MPa | 18.4MPa | 19.2MPa |
| Grade of impermeability | ≥W8 | ≥W8 | ≥W8 | ≥W8 |
| Thickness of primary sprayed layer | 23cm | 22.5cm | 21cm | 22cm |
As can be seen from Table 1, the concrete of examples 1-4 of the present invention has good slump retention, high compressive strength, high toughness, impervious rating and primary sprayed layer thickness, wherein the best effect is obtained in example 1.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (6)
1. The concrete special for the paver is characterized by being prepared from the following raw materials in parts by weight: 430 parts of Portland cement 410-containing material, 40-80 parts of silica fume, 680 parts of rice stone 660-containing material, 1050 parts of sand 950-containing material, 25-40 parts of steel fiber, 40-50 parts of nano calcium carbonate, 5-10 parts of polypropylene synthetic fiber and 170 parts of water-containing material;
the rice stones comprise first rice stones and second rice stones, the diameter of the first rice stones is 2-5mm, the diameter of the second rice stones is 5-10mm, and the weight ratio of the first rice stones to the second rice stones is 1: 2-2.5; the steel fibers comprise first steel fibers and second steel fibers, the diameter of each first steel fiber is 0.10-0.15 mm, and the length of each first steel fiber is 3-5 mm; the diameter of the second steel fiber is 0.15mm-0.20mm, and the length is 8mm-11 mm; the weight ratio of the first steel fibers to the second steel fibers is 1: 1-3;
the particle size of the nano calcium carbonate is between 20 and 40 nm; the silicon ash is spherical particles, and the particle size is between 0.1 mu m and 0.2 mu m.
2. The concrete special for the spreading machine as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 420 parts of Portland cement, 60 parts of silica fume, 670 parts of rice stone, 1000 parts of sand, 30 parts of steel fiber, 45 parts of nano calcium carbonate, 8 parts of polypropylene synthetic fiber and 160 parts of water.
3. The preparation method of the concrete special for the spreading machine as claimed in claim 1 or 2, which is characterized by comprising the following steps:
material preparation: preparing raw materials according to a formula ratio;
stirring: firstly, respectively adding the silicate cement, the silica fume, the rice stone, the sand, the steel fiber, the nano calcium carbonate and the polypropylene synthetic fiber in the formula ratio into a stirring device for stirring, after uniformly stirring, adding the water in the formula ratio for stirring and fluidizing, controlling the stirring speed at 20-30r/min, and stirring for 10-15min to obtain the concrete special for the paver.
4. A construction method of concrete special for a paver is characterized by comprising the following steps:
coating an interface binder: coating a layer of interface adhesive on a pre-repaired pavement base;
the preparation method of the concrete special for the paver comprises the following steps: preparing concrete special for the paver according to the method of claim 3;
paving construction: before paving, coating a layer of interface adhesive on the surface of the bottom layer of the asphalt concrete paver; and then, delivering the special concrete for the paver into an asphalt concrete paver, uniformly paving the special concrete for the paver on a base layer of the pavement according to the design requirement by using the asphalt concrete paver with a certain width and thickness, and performing paving construction and forming.
5. The method as claimed in claim 4, wherein in the step of applying the interface binder, the pavement base is roughened, de-grouted and cleaned before applying.
6. The method as claimed in claim 4, wherein in the paving step, the rammer mechanism and the vibrating mechanism of the screed of the asphalt concrete paver are turned on during the paving operation of the asphalt concrete paver, and the paving formation is completed under the action of the rammer of the screed, the self weight of the screed and the vibrating action of the vibrating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319899.3A CN108069654B (en) | 2017-12-12 | 2017-12-12 | Concrete special for paver and preparation method and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319899.3A CN108069654B (en) | 2017-12-12 | 2017-12-12 | Concrete special for paver and preparation method and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108069654A CN108069654A (en) | 2018-05-25 |
| CN108069654B true CN108069654B (en) | 2021-07-06 |
Family
ID=62158226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711319899.3A Active CN108069654B (en) | 2017-12-12 | 2017-12-12 | Concrete special for paver and preparation method and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108069654B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516708A (en) * | 2018-07-07 | 2018-09-11 | 河源市极致知管信息科技有限公司 | A kind of high bond strength cement |
| CN110294615B (en) * | 2019-07-31 | 2021-10-26 | 深圳市市政设计研究院有限公司 | High-fluidity paving concrete and preparation method thereof |
| CN111548070B (en) * | 2020-05-20 | 2021-12-17 | 中铁二局第二工程有限公司 | Reinforced compact anticorrosive sprayed concrete |
| CN117682790B (en) * | 2024-02-02 | 2024-04-12 | 石家庄市长安育才建材有限公司 | Water reducer for low-rebound sprayed concrete and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032421B1 (en) * | 1980-01-11 | 1983-11-02 | Mitsui Petrochemical Industries, Ltd. | Fiber-reinforced concrete |
| CN103755282A (en) * | 2014-01-10 | 2014-04-30 | 江苏苏博特新材料股份有限公司 | Full-particle size ultrahigh-performance concrete composition |
| CN104556881A (en) * | 2015-01-19 | 2015-04-29 | 黄政宇 | Ultrahigh-toughness concrete and preparation method thereof |
-
2017
- 2017-12-12 CN CN201711319899.3A patent/CN108069654B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0032421B1 (en) * | 1980-01-11 | 1983-11-02 | Mitsui Petrochemical Industries, Ltd. | Fiber-reinforced concrete |
| CN103755282A (en) * | 2014-01-10 | 2014-04-30 | 江苏苏博特新材料股份有限公司 | Full-particle size ultrahigh-performance concrete composition |
| CN104556881A (en) * | 2015-01-19 | 2015-04-29 | 黄政宇 | Ultrahigh-toughness concrete and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108069654A (en) | 2018-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108069654B (en) | Concrete special for paver and preparation method and construction method thereof | |
| KR101968809B1 (en) | Concrete materials with modified rheology, methods of making, and uses thereof | |
| CN107098657B (en) | The functionally gradient cement-base composite material and preparation method thereof enhanced with nano material | |
| CN109279843B (en) | Environment-friendly recycled concrete and preparation method thereof | |
| CN106747019B (en) | A kind of permeable epoxide resin polymer mortar in sponge city and its porous pavement of preparation | |
| CN105060792B (en) | A kind of low-dosage steel fibre modified powder concrete | |
| KR101173442B1 (en) | Permeable concrete block manufacture method to use eco-friendly recycled aggregate coated | |
| KR101135175B1 (en) | Protective mortar using calcium aluminate and oraganic-inorganic hybrid coating agent | |
| CN111608362A (en) | Hollowing-proof and cracking-proof process for concrete terrace leveling layer | |
| CN111533512B (en) | Preparation method of ductility delayed coagulation fine aggregate concrete with initial setting time of 48-72 h | |
| KR101962249B1 (en) | Eco-friendly sulfate-resisting mortar composition for repairing the surface of concrete structures and construction method using the same | |
| CN112876153B (en) | Recycled concrete and preparation method thereof | |
| CN108516774B (en) | High-strength and high-toughness concrete and preparation method thereof | |
| KR102105862B1 (en) | Rapid hardening concrete composition for bridge deck overlay concrete pavement using ferro-nickel slag and the costruction method of bridge deck overlay concrete pavement thereof | |
| CN110550918A (en) | Polymer modified repair mortar and construction process | |
| CN114230289A (en) | Green high-strength and high-toughness concrete and preparation process thereof | |
| Chindaprasirt et al. | Reuse of recycled aggregate in the production of alkali-activated concrete | |
| Poon et al. | Properties of cementitious rendering mortar prepared with recycled fine aggregates | |
| KR101352536B1 (en) | A rapid hardening concrete composition using the eco-friendly cycling silica sand and repairing method of concrete pavement using the same | |
| KR100203990B1 (en) | Methods of paving road and of manufacturing sidewalk blocks using waste cement concrete | |
| KR100796209B1 (en) | The polymer cement mortal compound for a color flooring material and the paving process | |
| CN110228984A (en) | A kind of road rapid repair material and preparation method thereof | |
| CN106626621A (en) | Double-sided decorative waterproof plate and production method thereof | |
| CN113493333A (en) | Slurry-wrapped reinforced permeable recycled concrete and preparation method thereof | |
| CN102815880A (en) | Process for producing bricks by using saponification residual slag |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A special concrete for paver and its preparation method and construction method Effective date of registration: 20220622 Granted publication date: 20210706 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: GUANGZHOU YOUAN GIVIL ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: Y2022440000129 |