CN111233401A - Colored pervious concrete and preparation method thereof - Google Patents
Colored pervious concrete and preparation method thereof Download PDFInfo
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- CN111233401A CN111233401A CN202010122184.4A CN202010122184A CN111233401A CN 111233401 A CN111233401 A CN 111233401A CN 202010122184 A CN202010122184 A CN 202010122184A CN 111233401 A CN111233401 A CN 111233401A
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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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/0006—Honeycomb structures
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
-
- 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
- C04B2111/00293—Materials impermeable to liquids
-
- 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
- C04B2111/40—Porous or lightweight 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
- C04B2111/76—Use at unusual temperatures, e.g. sub-zero
-
- 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
- C04B2111/80—Optical properties, e.g. transparency or reflexibility
- C04B2111/82—Coloured 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
- 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
Abstract
The invention provides a colored concrete and a preparation method thereof, wherein the colored concrete is prepared from granite stone grains: 500-650 parts; additive: 7-10 parts; cement: 180-250 parts; toner: 9-12 parts of a solvent; water: 40-70 parts of an additive, wherein the components of the additive comprise, by mass, 5-7% of fibers, 6.2-6.7% of rubber powder, 10-12% of silica powder, 2.9-3.2% of a water reducing agent, 36.1-36.7% of carborundum and 35-40% of quartz powder, and the raw materials in the additive have a coordinating effect and can be matched with each other to obviously improve the comprehensive performance of the colored pervious concrete. The colored pervious concrete has good performances such as water permeability, strength and frost resistance, and long service life, and is suitable for practical engineering.
Description
Technical Field
The invention relates to a permeable concrete preparation technology, in particular to a colored permeable concrete and a preparation method thereof.
Background
As for the construction material, concrete is widely used in infrastructure and various buildings due to its many advantages such as easy material supply, freedom of formation, durability, etc., and makes great contribution to social development, but as such, the original natural vegetation and bare soil are gradually hardened and covered by water-blocking materials such as buildings and concrete, and as the dense common concrete lacks breathing property and has poor rainwater infiltration capability, rainwater cannot infiltrate into the ground, thus causing great pressure on the drainage system of the road surface. The colorful pervious concrete is also called porous concrete, and can be called as drainage concrete, and has a certain water permeability, so that accumulated water on roads and squares can be eliminated quickly, the urban drainage burden is reduced, meanwhile, rainwater permeates into the underground, underground water is supplemented, soil humidity is kept, and ecological balance of the underground water and the soil is maintained. However, the existing color concrete has poor performances in the aspects of durability, strength, water permeability and the like, and cannot meet the market demand.
Disclosure of Invention
The invention aims to provide colored pervious concrete with high strength and good water permeability and a preparation method thereof, and solves the problem that the existing colored concrete is poor in durability, strength and water permeability.
In order to achieve the purpose, the color pervious concrete provided by the invention is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 5.6 to 7 percent of fiber, 6.2 to 6.7 percent of rubber powder, 10 to 12 percent of silicon powder, 2.9 to 3.2 percent of water reducing agent, 35 to 38 percent of carborundum and 35 to 40 percent of quartz powder.
Further preferably, the additive comprises the following components in percentage by mass: 6% of fiber, 6.5% of rubber powder, 11% of silicon powder, 3% of water reducing agent, 36.5% of carborundum and 37% of quartz powder.
The invention also provides a preparation method of the colored pervious concrete, which comprises the following steps:
A. mixing and stirring 600 parts by weight of granite stone rice and 10 parts by weight of toner, adding 20 parts by weight of water after uniformly mixing, and continuously stirring uniformly to obtain a mixture;
B. stirring 80 parts by weight of cement, 3.2 parts by weight of an additive and 15 parts by weight of water for 30s to obtain first cement paste, wherein the additive comprises the following components in percentage by mass: 5.6-7% of fiber, 6.2-6.7% of rubber powder, 10-12% of silicon powder, 2.9-3.2% of water reducing agent, 35-38% of carborundum and 35-40% of quartz powder, wherein the carborundum is ground into powder before use. (ii) a
C. Adding the first cement paste obtained in the step B into the mixture obtained in the step A, and stirring for 1min to obtain a first mixture;
D. stirring 60 parts by weight of cement, 2.4 parts by weight of an additive and 15 parts by weight of water for 30 seconds to obtain second cement paste;
E. adding the second cement paste obtained in the step D into the first mixture obtained in the step C, and stirring for 1min to obtain a second mixture;
F. adding the remaining 60 parts by weight of cement and 2.4 parts by weight of additive into the second mixture obtained in the step E, stirring until the surface of the mixture is uniform and glossy, and stopping stirring to obtain colored pervious concrete slurry, wherein the carborundum is carborundum powder which needs to be ground into powder before use;
G. and paving, forming and laminating the colored pervious concrete slurry to obtain a finished colored pervious concrete product.
Further preferably, the additive comprises the following components in percentage by mass: 6% of fiber, 6.5% of rubber powder, 11% of silicon powder, 3% of water reducing agent, 36.5% of carborundum and 37% of quartz powder.
The invention has the beneficial effects that:
firstly, the fibers, the rubber powder, the silicon powder and the water reducing agent in the additive have a synergistic effect, so that the adhesive force of the colored pervious concrete can be increased, the strength and the crack resistance of the colored pervious concrete are improved, and the impact resistance and the water permeability of the colored pervious concrete are improved; secondly, the carborundum in the admixture is carborundum powder, the hardness and the elastic modulus of the carborundum powder are very high, the carborundum powder has very strong deformation resistance, the capability of resisting the dry shrinkage deformation of the colored pervious concrete can be effectively improved, and the durability, the strength, the water permeability, the dry shrinkage deformation resistance and other performances of the colored pervious concrete can be effectively improved by combining the carborundum powder and the colored pervious concrete, so that the service life is long.
The use of the rubber powder in the additive can enhance the cohesive force of the cement paste, so that the cement paste can be better wrapped around the aggregate in the construction vibration forming process of the concrete and does not fall off, the formation of the honeycomb structure of the colored pervious concrete is promoted, and the water permeability, the strength and the durability of the colored pervious concrete are improved.
The fibers are added into the additive, and when the color pervious concrete cracks, the fibers can be blocked by adjacent fibers, so that the cracks are prevented from further expanding and extending, and the fracture toughness and the tensile strength of the color pervious concrete are improved.
The carborundum and the quartz powder in the additive are powder, so that the glossiness of the colored concrete can be improved, and the finished product is more attractive.
The preparation method of the colored pervious concrete provided by the invention mixes the cement paste formed by cement and the additive with the aggregate for three times, so that the cement paste can be uniformly wrapped around the aggregate and contacted and bonded with each other in a point or surface form to form a honeycomb structure with uniformly distributed sizes, and the water permeability and the strength of the colored pervious concrete are improved.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 5% of fiber, 7.5% of rubber powder, 12% of silicon powder, 2% of water reducing agent, 35% of carborundum and 38.5% of quartz powder.
The preparation method of the colored pervious concrete comprises the following steps:
A. mixing and stirring the granite stone grains and the toner in parts by weight, adding 40% of water in percentage by weight after uniform mixing, and continuously stirring uniformly to obtain a mixture;
B. stirring 40% of cement and 40% of admixture by weight with 30% of water by weight for 30s to obtain first cement paste;
C. adding the first cement paste obtained in the step B into the mixture obtained in the step A, and stirring for 1min to obtain a first mixture;
D. stirring 30% of cement and 30% of admixture by weight with the remaining 30% of water by weight for 30s to obtain second cement paste;
E. adding the second cement paste obtained in the step D into the first mixture obtained in the step C, and stirring for 1min to obtain a second mixture;
F. adding the remaining 30% of cement and the additive into the second mixture obtained in the step E, stirring until the surface of the mixture is uniform and glossy, and stopping stirring to obtain colored pervious concrete slurry, wherein the carborundum is carborundum powder which needs to be ground into powder before use;
G. and paving, forming and laminating the colored pervious concrete slurry to obtain a finished colored pervious concrete product.
Example 2
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 5.5% of fiber, 7% of rubber powder, 10% of silicon powder, 4% of water reducing agent, 37.5% of carborundum and 36% of quartz powder.
Otherwise the same as example 1
Example 3
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 6.5% of fiber, 6% of rubber powder, 9% of silicon powder, 5% of water reducing agent, 34% of carborundum and 39.5% of quartz powder.
The rest is the same as example 1.
Example 4
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 6% of fiber, 6.5% of rubber powder, 11% of silicon powder, 3% of water reducing agent, 36.5% of carborundum and 37% of quartz powder.
The rest is the same as example 1.
Example 5
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 7% of fiber, 5.5% of rubber powder, 13% of silicon powder, 1% of water reducing agent, 38% of carborundum and 35.5% of quartz powder.
The rest is the same as example 1.
Example 6
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 6.5 percent of rubber powder, 15 percent of silicon powder, 3 percent of water reducing agent, 38 percent of carborundum and 37.5 percent of quartz powder.
The rest is the same as example 1.
Example 7
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 7% of fiber, 14% of silicon powder, 3.5% of water reducing agent, 38% of carborundum and 37.5% of quartz powder.
The rest is the same as example 1.
Example 8
The embodiment provides a colored pervious concrete which is prepared from the following components in parts by weight: granite stone rice: 600 parts of water; additive: 8 parts of a mixture; cement: 200 parts of (A); toner: 10 parts of (A); water: 50 parts of a mixture; wherein the additive comprises the following components in percentage by mass: 13% of fiber, 10% of rubber powder, 21% of silicon powder, 6% of water reducing agent and 50% of quartz powder.
The rest is the same as example 1.
In the above examples 1 to 8, the cement was ordinary portland cement and the water was tap water. The performance comparison data of the colored pervious concrete obtained in the above examples 1 to 5 and the ordinary pervious concrete are shown in the following table, wherein each numerical value is data when the age of each concrete is 28d, and the frost resistance is compressive strength loss rate/mass loss rate after 25 freeze-thaw cycles:
the data in the table above show that: the strength, the water permeability, the frost resistance and other properties of the colored pervious concrete prepared by the preparation method are higher than those of common pervious concrete, while the examples 6-8 and 1-5 show that if the fiber, the rubber powder or the carborundum in the admixture is removed, the properties of the colored pervious concrete are still better than those of the common pervious concrete, but the properties of the colored pervious concrete are obviously reduced compared with the examples 1-5, and comprehensive data shows that the admixture has a coordination effect and can be matched with the raw materials to obviously improve the comprehensive properties of the colored pervious concrete, wherein the effect of the admixture comprising 6% of fiber, 6.5% of rubber powder, 11% of silica powder, 3% of water reducing agent, 36.5% of carborundum and 37% of quartz powder is relatively better.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (4)
1. The color pervious concrete is characterized by being prepared from the following components in parts by weight:
granite stone rice: 600 parts of water;
additive: 8 parts of a mixture;
cement: 200 parts of (A);
toner: 10 parts of (A);
water: 50 parts of a mixture;
wherein the additive comprises the following components in percentage by mass: 5.6 to 7 percent of fiber, 6.2 to 6.7 percent of rubber powder, 10 to 12 percent of silicon powder, 2.9 to 3.2 percent of water reducing agent, 35 to 38 percent of carborundum and 35 to 40 percent of quartz powder.
2. The colored pervious concrete of claim 1, wherein the admixture comprises the following components in percentage by mass: 6% of fiber, 6.5% of rubber powder, 11% of silicon powder, 3% of water reducing agent, 36.5% of carborundum and 37% of quartz powder.
3. The preparation method of the colored pervious concrete is characterized by comprising the following steps of:
A. mixing and stirring 600 parts by weight of granite stone rice and 10 parts by weight of toner, adding 20 parts by weight of water after uniformly mixing, and continuously stirring uniformly to obtain a mixture;
B. stirring 80 parts by weight of cement, 3.2 parts by weight of an additive and 15 parts by weight of water for 30s to obtain first cement paste, wherein the additive comprises the following components in percentage by mass: 5.6-7% of fiber, 6.2-6.7% of rubber powder, 10-12% of silicon powder, 2.9-3.2% of water reducing agent, 35-38% of carborundum and 35-40% of quartz powder, wherein the carborundum is ground into powder before use. (ii) a
C. Adding the first cement paste obtained in the step B into the mixture obtained in the step A, and stirring for 1min to obtain a first mixture;
D. stirring 60 parts by weight of cement, 2.4 parts by weight of an additive and 15 parts by weight of water for 30 seconds to obtain second cement paste;
E. adding the second cement paste obtained in the step D into the first mixture obtained in the step C, and stirring for 1min to obtain a second mixture;
F. adding the remaining 60 parts by weight of cement and 2.4 parts by weight of additive into the second mixture obtained in the step E, stirring until the surface of the mixture is uniform and glossy, and stopping stirring to obtain colored pervious concrete slurry, wherein the carborundum is carborundum powder which needs to be ground into powder before use;
G. and paving, forming and laminating the colored pervious concrete slurry to obtain a finished colored pervious concrete product.
4. The colored pervious concrete of claim 3, wherein the admixture comprises the following components in percentage by mass: 6% of fiber, 6.5% of rubber powder, 11% of silicon powder, 3% of water reducing agent, 36.5% of carborundum and 37% of quartz powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010122184.4A CN111233401A (en) | 2020-02-27 | 2020-02-27 | Colored pervious concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010122184.4A CN111233401A (en) | 2020-02-27 | 2020-02-27 | Colored pervious concrete and preparation method thereof |
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| CN111233401A true CN111233401A (en) | 2020-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003989A (en) * | 2021-03-30 | 2021-06-22 | 广东四通建材股份有限公司 | Stone-like ceramic water permeable brick and preparation method thereof |
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| CN87103991A (en) * | 1987-06-06 | 1988-12-21 | 张有初 | Cement combination type artificial marble |
| CN104402339A (en) * | 2014-11-20 | 2015-03-11 | 天元建设集团有限公司 | Pervious concrete and construction method thereof |
| CN107285686A (en) * | 2017-08-01 | 2017-10-24 | 上海市建筑科学研究院 | A kind of environmentally friendly full-transparency type pervious concrete based on discarded concrete and preparation method thereof |
| CN108002757A (en) * | 2017-12-14 | 2018-05-08 | 贺众宜 | A kind of colorful water-permeable concrete formulation |
| CN108238760A (en) * | 2016-12-26 | 2018-07-03 | 大连理工大学 | A kind of colorful water-permeable coagulates soil and preparation method thereof |
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2020
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Patent Citations (5)
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| CN87103991A (en) * | 1987-06-06 | 1988-12-21 | 张有初 | Cement combination type artificial marble |
| CN104402339A (en) * | 2014-11-20 | 2015-03-11 | 天元建设集团有限公司 | Pervious concrete and construction method thereof |
| CN108238760A (en) * | 2016-12-26 | 2018-07-03 | 大连理工大学 | A kind of colorful water-permeable coagulates soil and preparation method thereof |
| CN107285686A (en) * | 2017-08-01 | 2017-10-24 | 上海市建筑科学研究院 | A kind of environmentally friendly full-transparency type pervious concrete based on discarded concrete and preparation method thereof |
| CN108002757A (en) * | 2017-12-14 | 2018-05-08 | 贺众宜 | A kind of colorful water-permeable concrete formulation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003989A (en) * | 2021-03-30 | 2021-06-22 | 广东四通建材股份有限公司 | Stone-like ceramic water permeable brick and preparation method thereof |
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