CN112456871A - High-toughness bendable self-healing anti-seismic cement-based composite material - Google Patents
High-toughness bendable self-healing anti-seismic cement-based composite material Download PDFInfo
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- CN112456871A CN112456871A CN202011384154.7A CN202011384154A CN112456871A CN 112456871 A CN112456871 A CN 112456871A CN 202011384154 A CN202011384154 A CN 202011384154A CN 112456871 A CN112456871 A CN 112456871A
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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
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2053—Earthquake- or hurricane-resistant materials
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- Curing Cements, Concrete, And Artificial Stone (AREA)
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Abstract
The invention discloses a high-toughness bendable self-healing anti-seismic cement-based composite material which is prepared from the following substances in parts by weight: cement, concrete sealing compact materials, glass fibers, nylon fibers, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fibers, a superplasticizer and water. The cement-based composite material has good compressive strength, bending strength and splitting tensile strength, the weight of the cement is 40% lighter than that of the conventional cement, the toughness is 500 times higher, the most obvious characteristic is that the cement can bear considerable pressure in a bending state, and because polymer fiber particles specially made are arranged in the material, the cement can bear large ECC (error correction code) and is mainly suitable for repairing the section of a concrete structure, coating the surface of the concrete structure, thickening the lower part of a reinforced bridge bed plate, and other structures such as a dam, a tunnel and the like, and the application range is wide.
Description
Technical Field
The invention relates to the technical field of cement, in particular to a high-toughness bendable self-healing anti-seismic cement-based composite material.
Background
Cement: the powdery hydraulic inorganic cementing material is added with water and stirred to form slurry, can be hardened in air or in water, and can firmly bond sand, stone and other materials together, the early mixture of lime and volcanic ash is very similar to the modern lime and volcanic ash cement, and the concrete made of broken stone is bonded by using the powdery hydraulic inorganic cementing material, after being cured, not only has higher strength, but also can resist the erosion of fresh water or salt-containing water, and the powdery hydraulic inorganic cementing material is used as an important cementing material and widely applied to civil construction, water conservancy, national defense and other projects, and general cement: the general cement generally adopted in civil engineering and building engineering mainly refers to: six types of cement specified in GB 175-2007, namely portland cement, ordinary portland cement, portland slag cement, pozzolanic portland cement, portland fly ash cement, and composite portland cement, special cement: cements having particular properties or uses, such as class G oil well cements, rapid hardening portland cements, road portland cements, aluminate cements, sulphoaluminate cements, and the like.
In 2019, the yield of the concrete in China is 25.5 billion cubic meters, which exceeds the total yield of other countries in the world, and the traditional concrete has the following defects: the fracture toughness is low and the cracking is easy; the durability after cracking is poor, and the paint is easy to deteriorate in a severe environment; the high-toughness bendable self-healing anti-seismic cement-based composite material solves the problems by providing the high-toughness bendable self-healing anti-seismic cement-based composite material.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-toughness bendable self-healing anti-seismic cement-based composite material to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-toughness bendable self-healing anti-seismic cement-based composite material is composed of the following substances in parts by weight: 50-100 parts of cement, 20-40 parts of concrete sealing dense material, 15-30 parts of glass fiber, 10-20 parts of nylon fiber, 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 5-10 parts of carboxylic styrene-butadiene latex, 60-90 parts of sand, 3-8 parts of water reducing agent, 3-6 parts of graphene, 2-4 parts of Arecron 3S fiber, 1-3 parts of superplasticizer and 50-80 parts of water.
The technical scheme is further optimized, and the composition comprises the following substances in parts by weight: 60-90 parts of cement, 25-35 parts of concrete sealing dense material, 20-30 parts of glass fiber, 12-18 parts of nylon fiber, 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 6-8 parts of carboxylic styrene-butadiene latex, 70-80 parts of sand, 5-8 parts of water reducing agent, 3-6 parts of graphene, 2-4 parts of Arecron 3S fiber, 1-3 parts of superplasticizer and 50-80 parts of water.
The technical scheme is further optimized, and the composition comprises the following substances in parts by weight: 70-100 parts of cement, 30-40 parts of concrete sealing dense material, 20-30 parts of glass fiber, 15-20 parts of nylon fiber, 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 7-10 parts of carboxylic styrene-butadiene latex, 80-90 parts of sand, 5-8 parts of water reducing agent, 3-6 parts of graphene, 2-4 parts of Arecron 3S fiber, 1-3 parts of superplasticizer and 50-80 parts of water.
Further optimizing the technical scheme, the silicon powder is silicon carbide, and the particle size distribution of the silicon carbide is in a particle size interval of 1-3 mm.
Further optimizes the technical proposal, and the cement is the treated fly ash.
Further optimizing the technical scheme, the water reducing agent is a polycarboxylate water reducing agent.
By further optimizing the technical scheme, the weight of the cement of the high-toughness bendable self-healing anti-seismic cement-based composite material is 40% lighter than that of the conventional cement, and the toughness is 500 times higher.
Further optimizing the technical scheme, the preparation method of the high-toughness bendable self-healing anti-seismic cement-based composite material comprises the following steps: crushing, stirring and mixing cement, a concrete sealing compact material, glass fiber, nylon fiber, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fiber, a superplasticizer and water; then preheating: preheating and partially decomposing the raw materials by a preheater, carrying out a gas-material heat exchange process in a stacking state in the kiln, moving the raw materials to the preheater and carrying out the gas-material heat exchange process in a suspension state so that the raw materials can be fully mixed with the hot gas discharged from the kiln; then the mixture enters a rotary kiln to be sintered; and (3) adopting a combined pulverizer to perform powder treatment on the clinker, performing step-by-step powder treatment on the clinker, uniformly mixing the obtained materials, pouring and maintaining to obtain the cement-based composite material.
Further optimizing the technical scheme, cement, concrete sealing compact materials, glass fiber, nylon fiber, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fiber, a superplasticizer and water are crushed, stirred, mixed and mixed at the temperature of 30-50 ℃.
Further optimize this technical scheme, during preheater preheats: the preheating is finished by a preheater, and the preheating temperature is kept at 180 ℃ to 250 ℃.
Compared with the prior art, the invention provides the high-toughness bendable self-healing anti-seismic cement-based composite material, which has the following beneficial effects:
1. the high-toughness bendable self-healing anti-seismic cement-based composite material has the advantages that the weight of the cement is 40% lighter than that of the conventional cement, the toughness is 500 times higher, and the most obvious characteristic is that the cement can bear considerable pressure in a bending state, and because polymer fiber particles specially made are arranged in the material, the cement can bear large ECC (error correction code), is mainly suitable for repairing the section of a concrete structure, coating the surface of the concrete structure, thickening and reinforcing the lower part of a bridge bed plate, and other structures such as dams, tunnels and the like, and has wide application range.
2. The high-toughness bendable self-healing anti-seismic cement-based composite material has better compressive strength, bending strength and splitting tensile strength, can better resist the bendable concrete of earthquake, is prepared from coal-fired plant waste and synthetic fibers, can reduce the carbon emission generated by manufacturing building materials, and has better market popularization value.
3. The high-toughness bendable self-healing anti-seismic cement-based composite material has the advantages of light weight, good heat insulation performance, high strength, good anti-seismic performance, good processing performance, certain high temperature resistance, good sound insulation performance, contribution to mechanized construction and strong adaptability.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The first embodiment is as follows:
a high-toughness bendable self-healing anti-seismic cement-based composite material is composed of the following substances in parts by weight: 50 parts of cement, 20 parts of concrete sealing compact material, 15 parts of glass fiber, 10 parts of nylon fiber, 10 parts of titanium dioxide, 10 parts of zinc oxide, 5 parts of carboxylic styrene-butadiene latex, 60 parts of sand, 3 parts of water reducing agent, 3 parts of graphene, 2 parts of Arecron 3S fiber, 1 part of superplasticizer and 50 parts of water.
As a specific optimization scheme of this embodiment, the silicon powder is silicon carbide, and the particle size distribution of the silicon carbide is in a particle size interval of 1-3 mm.
As a specific optimization scheme of this embodiment, the cement is treated fly ash.
As a specific optimization scheme of this embodiment, the water reducing agent is a polycarboxylate water reducing agent.
As a specific optimization scheme of the embodiment, the high-toughness bendable self-healing earthquake-resistant cement-based composite material has the advantages that the weight of cement is 40% lighter than that of conventional cement, and the toughness is 500 times higher.
The preparation method of the high-toughness bendable self-healing anti-seismic cement-based composite material comprises the following steps: crushing, stirring and uniformly mixing cement, a concrete sealing compact material, glass fiber, nylon fiber, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fiber, a superplasticizer and water at 30 ℃; then preheating: preheating and partially decomposing raw materials by a preheater, keeping the preheating temperature at 180 ℃, carrying out a gas-material heat exchange process in a stacking state in the kiln, moving the raw materials to the preheater and carrying out the gas-material heat exchange process in a suspension state, and fully mixing the raw materials with the hot gas discharged from the kiln; then the mixture enters a rotary kiln to be sintered; and (3) adopting a combined pulverizer to perform powder treatment on the clinker, performing step-by-step powder treatment on the clinker, uniformly mixing the obtained materials, pouring and maintaining to obtain the cement-based composite material.
Example two:
a high-toughness bendable self-healing anti-seismic cement-based composite material is composed of the following substances in parts by weight: 80 parts of cement, 30 parts of concrete sealing compact material, 20 parts of glass fiber, 15 parts of nylon fiber, 10 parts of titanium dioxide, 10 parts of zinc oxide, 8 parts of carboxylic styrene-butadiene latex, 75 parts of sand, 5 parts of water reducing agent, 5 parts of graphene, 3 parts of Arecron 3S fiber, 2 parts of superplasticizer and 60 parts of water.
As a specific optimization scheme of this embodiment, the silicon powder is silicon carbide, and the particle size distribution of the silicon carbide is in a particle size interval of 1-3 mm.
As a specific optimization scheme of this embodiment, the cement is treated fly ash.
As a specific optimization scheme of this embodiment, the water reducing agent is a polycarboxylate water reducing agent.
As a specific optimization scheme of the embodiment, the high-toughness bendable self-healing earthquake-resistant cement-based composite material has the advantages that the weight of cement is 40% lighter than that of conventional cement, and the toughness is 500 times higher.
The preparation method of the high-toughness bendable self-healing anti-seismic cement-based composite material comprises the following steps: crushing, stirring and uniformly mixing cement, a concrete sealing compact material, glass fiber, nylon fiber, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fiber, a superplasticizer and water at 40 ℃; then preheating: preheating and partially decomposing raw materials by a preheater, keeping the preheating temperature at 200 ℃, carrying out a gas-material heat exchange process in a stacking state in the kiln, moving the raw materials to the preheater and carrying out the gas-material heat exchange process in a suspension state, and fully mixing the raw materials with the hot gas discharged from the kiln; then the mixture enters a rotary kiln to be sintered; and (3) adopting a combined pulverizer to perform powder treatment on the clinker, performing step-by-step powder treatment on the clinker, uniformly mixing the obtained materials, pouring and maintaining to obtain the cement-based composite material.
Example three:
a high-toughness bendable self-healing anti-seismic cement-based composite material is composed of the following substances in parts by weight: 100 parts of cement, 40 parts of concrete sealing dense material, 30 parts of glass fiber, 20 parts of nylon fiber, 20 parts of titanium dioxide, 20 parts of zinc oxide, 10 parts of carboxylic styrene-butadiene latex, 90 parts of sand, 8 parts of water reducing agent, 6 parts of graphene, 4 parts of Arecron 3S fiber, 3 parts of superplasticizer and 80 parts of water.
As a specific optimization scheme of this embodiment, the silicon powder is silicon carbide, and the particle size distribution of the silicon carbide is in a particle size interval of 1-3 mm.
As a specific optimization scheme of this embodiment, the cement is treated fly ash.
As a specific optimization scheme of this embodiment, the water reducing agent is a polycarboxylate water reducing agent.
As a specific optimization scheme of the embodiment, the high-toughness bendable self-healing earthquake-resistant cement-based composite material has the advantages that the weight of cement is 40% lighter than that of conventional cement, and the toughness is 500 times higher.
The preparation method of the high-toughness bendable self-healing anti-seismic cement-based composite material comprises the following steps: crushing, stirring and uniformly mixing cement, a concrete sealing compact material, glass fiber, nylon fiber, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fiber, a superplasticizer and water at 50 ℃; then preheating: preheating and partially decomposing raw materials by a preheater, keeping the preheating temperature at 250 ℃, carrying out a gas-material heat exchange process in a stacking state in the kiln, moving the raw materials to the preheater and carrying out the gas-material heat exchange process in a suspension state, and fully mixing the raw materials with the hot gas discharged from the kiln; then the mixture enters a rotary kiln to be sintered; and (3) adopting a combined pulverizer to perform powder treatment on the clinker, performing step-by-step powder treatment on the clinker, uniformly mixing the obtained materials, pouring and maintaining to obtain the cement-based composite material.
The injection method for the lower part of the ECC-reinforced bridge bed plate comprises the following steps:
the method for improving the stress and rigidity of the bending section of the built bridge by directly utilizing the tensile toughness characteristic of ECC mortar by spraying ECC mortar. The ECC can obviously improve the crack resistance and the shock resistance of concrete, has higher bonding strength and good durability, and can prolong the service life and the maintenance cycle of a building.
Meanwhile, compared with common sprayed concrete, the concrete has the characteristics of increasing the once spraying thickness, obviously reducing the rebound loss and the like, and has obvious social benefit and economic benefit.
The design calculation can add ECC tensile strength to the steel bar to calculate bending section force. Lighter weight than conventional reinforcing methods, e.g. reinforcing bars, cement mortar, etc., to reduce the effect of self-weight
ECC protection layer protection structure surface construction method:
the ECC material is coated on the surface of the reinforced concrete, so that the structural deterioration phenomena such as neutralization, alkali-aggregate reaction, frost resistance and the like can be prevented, and the durability of the reinforced concrete structural is improved.
By utilizing the characteristic of dispersed cracks, the further expansion of the cracks is resisted, and harmful substances, water, carbon dioxide and the like are inhibited from invading the interior through the cracks to delay the corrosion of the reinforcing steel bars. The alkali aggregate reaction causes the surface of the retaining wall to be repaired.
An ECC slope protection water seepage prevention construction method comprises the following steps:
the short fiber reinforcement effect doped with ECC and the good crack dispersion effect are utilized to inhibit crack propagation and prevent slope protection water seepage construction method.
Research shows that the water permeability of the cracks is in direct proportion to the crack width to the power of 3, and the water permeability is reduced through self-repairing and filtering functions. Therefore, the effect of suppressing the crack width propagation on the increase in the water permeation preventive amount is excellent.
The invention has the beneficial effects that:
1. the high-toughness bendable self-healing anti-seismic cement-based composite material has the advantages that the weight of the cement is 40% lighter than that of the conventional cement, the toughness is 500 times higher, and the most obvious characteristic is that the cement can bear considerable pressure in a bending state, and because polymer fiber particles specially made are arranged in the material, the cement can bear large ECC (error correction code), is mainly suitable for repairing the section of a concrete structure, coating the surface of the concrete structure, thickening and reinforcing the lower part of a bridge bed plate, and other structures such as dams, tunnels and the like, and has wide application range.
2. The high-toughness bendable self-healing anti-seismic cement-based composite material has better compressive strength, bending strength and splitting tensile strength, can better resist the bendable concrete of earthquake, is prepared from coal-fired plant waste and synthetic fibers, can reduce the carbon emission generated by manufacturing building materials, and has better market popularization value.
3. The high-toughness bendable self-healing anti-seismic cement-based composite material has the advantages of light weight, good heat insulation performance, high strength, good anti-seismic performance, good processing performance, certain high temperature resistance, good sound insulation performance, contribution to mechanized construction and strong adaptability.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The high-toughness bendable self-healing anti-seismic cement-based composite material is characterized by comprising the following substances in parts by weight: 50-100 parts of cement, 20-40 parts of concrete sealing dense material, 15-30 parts of glass fiber, 10-20 parts of nylon fiber, 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 5-10 parts of carboxylic styrene-butadiene latex, 60-90 parts of sand, 3-8 parts of water reducing agent, 3-6 parts of graphene, 2-4 parts of Arecron 3S fiber, 1-3 parts of superplasticizer and 50-80 parts of water.
2. The high-toughness bendable self-healing earthquake-resistant cement-based composite material according to claim 1, which is characterized by comprising the following substances in parts by weight: 60-90 parts of cement, 25-35 parts of concrete sealing dense material, 20-30 parts of glass fiber, 12-18 parts of nylon fiber, 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 6-8 parts of carboxylic styrene-butadiene latex, 70-80 parts of sand, 5-8 parts of water reducing agent, 3-6 parts of graphene, 2-4 parts of Arecron 3S fiber, 1-3 parts of superplasticizer and 50-80 parts of water.
3. The high-toughness bendable self-healing earthquake-resistant cement-based composite material according to claim 1, which is characterized by comprising the following substances in parts by weight: 70-100 parts of cement, 30-40 parts of concrete sealing dense material, 20-30 parts of glass fiber, 15-20 parts of nylon fiber, 10-20 parts of titanium dioxide, 10-20 parts of zinc oxide, 7-10 parts of carboxylic styrene-butadiene latex, 80-90 parts of sand, 5-8 parts of water reducing agent, 3-6 parts of graphene, 2-4 parts of Arecron 3S fiber, 1-3 parts of superplasticizer and 50-80 parts of water.
4. A high-toughness bendable self-healing anti-seismic cement-based composite material according to any one of claims 1 to 3, wherein the silicon powder is silicon carbide, and the particle size distribution of the silicon carbide is in a particle size interval of 1-3 mm.
5. A high toughness bendable self-healing earthquake-resistant cement-based composite material according to any one of claims 1 to 3, wherein the cement is treated fly ash.
6. The high-toughness bendable self-healing earthquake-resistant cement-based composite material according to claim 1, wherein the water reducing agent is a polycarboxylate water reducing agent.
7. The high toughness bendable self-healing earthquake-resistant cement-based composite material according to claim 1, wherein the high toughness bendable self-healing earthquake-resistant cement-based composite material has a cement weight 40% lighter than conventional cement and a toughness 500 times higher.
8. The high-toughness bendable self-healing earthquake-resistant cement-based composite material according to claim 1, wherein the preparation method of the high-toughness bendable self-healing earthquake-resistant cement-based composite material comprises the following steps: crushing, stirring and mixing cement, a concrete sealing compact material, glass fiber, nylon fiber, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Arecron 3S fiber, a superplasticizer and water; then preheating: preheating and partially decomposing the raw materials by a preheater, carrying out a gas-material heat exchange process in a stacking state in the kiln, moving the raw materials to the preheater and carrying out the gas-material heat exchange process in a suspension state so that the raw materials can be fully mixed with the hot gas discharged from the kiln; then the mixture enters a rotary kiln to be sintered; and (3) adopting a combined pulverizer to perform powder treatment on the clinker, performing step-by-step powder treatment on the clinker, uniformly mixing the obtained materials, pouring and maintaining to obtain the cement-based composite material.
9. The high-toughness bendable self-healing anti-seismic cement-based composite material according to claim 8, wherein cement, concrete sealing dense materials, glass fibers, nylon fibers, titanium dioxide, zinc oxide, carboxylic styrene-butadiene latex, sand, a water reducing agent, graphene, Aretron 3S fibers, a superplasticizer and water are crushed, stirred, mixed and mixed at 30-50 ℃.
10. The high-toughness bendable self-healing earthquake-resistant cement-based composite material according to claim 8, wherein when the preheater is preheated: the preheating is finished by a preheater, and the preheating temperature is kept at 180 ℃ to 250 ℃.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265247A (en) * | 2013-04-24 | 2013-08-28 | 中国石油大学(北京) | Airfield runway pavement layer prepared from high-toughness impact-resistant cement-based composite material |
| CN104129951A (en) * | 2014-08-06 | 2014-11-05 | 杭州固益强新材料科技有限公司 | Self-cleaned cement based composite material with high toughness and preparation method of self-cleaned cement based composite material |
| CN106478007A (en) * | 2016-09-18 | 2017-03-08 | 同济大学 | The modified cement-based composite of superhigh tenacity fiber-reinforced polymer and preparation method |
| CN107382183A (en) * | 2017-06-29 | 2017-11-24 | 昆明理工大学 | A kind of high tenacity cement-base composite material |
| CN108191356A (en) * | 2018-04-02 | 2018-06-22 | 合肥市闵葵电力工程有限公司 | A kind of novel high-tenacity fiber enhancing cement-base composite material and preparation method thereof |
| CN108249867A (en) * | 2018-04-02 | 2018-07-06 | 合肥市闵葵电力工程有限公司 | A kind of fiber reinforcement high tenacity cement-based material and preparation method thereof |
| CN108409251A (en) * | 2018-04-26 | 2018-08-17 | 合肥金云新材料有限公司 | A kind of high tenacity cement-based material and preparation method thereof |
| CN108546040A (en) * | 2018-05-10 | 2018-09-18 | 合肥昂诺新材料有限公司 | A kind of high tenacity construction material and preparation method thereof |
| CN110218056A (en) * | 2019-07-16 | 2019-09-10 | 江苏苏博特新材料股份有限公司 | A kind of strain hardening powder concrete and preparation method thereof and its application in bridge construction |
| CN113307597A (en) * | 2020-07-10 | 2021-08-27 | 青岛理工大学 | Nano recycled concrete, processing technology and application |
-
2020
- 2020-12-01 CN CN202011384154.7A patent/CN112456871A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265247A (en) * | 2013-04-24 | 2013-08-28 | 中国石油大学(北京) | Airfield runway pavement layer prepared from high-toughness impact-resistant cement-based composite material |
| CN104129951A (en) * | 2014-08-06 | 2014-11-05 | 杭州固益强新材料科技有限公司 | Self-cleaned cement based composite material with high toughness and preparation method of self-cleaned cement based composite material |
| CN106478007A (en) * | 2016-09-18 | 2017-03-08 | 同济大学 | The modified cement-based composite of superhigh tenacity fiber-reinforced polymer and preparation method |
| CN107382183A (en) * | 2017-06-29 | 2017-11-24 | 昆明理工大学 | A kind of high tenacity cement-base composite material |
| CN108191356A (en) * | 2018-04-02 | 2018-06-22 | 合肥市闵葵电力工程有限公司 | A kind of novel high-tenacity fiber enhancing cement-base composite material and preparation method thereof |
| CN108249867A (en) * | 2018-04-02 | 2018-07-06 | 合肥市闵葵电力工程有限公司 | A kind of fiber reinforcement high tenacity cement-based material and preparation method thereof |
| CN108409251A (en) * | 2018-04-26 | 2018-08-17 | 合肥金云新材料有限公司 | A kind of high tenacity cement-based material and preparation method thereof |
| CN108546040A (en) * | 2018-05-10 | 2018-09-18 | 合肥昂诺新材料有限公司 | A kind of high tenacity construction material and preparation method thereof |
| CN110218056A (en) * | 2019-07-16 | 2019-09-10 | 江苏苏博特新材料股份有限公司 | A kind of strain hardening powder concrete and preparation method thereof and its application in bridge construction |
| CN113307597A (en) * | 2020-07-10 | 2021-08-27 | 青岛理工大学 | Nano recycled concrete, processing technology and application |
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Application publication date: 20210309 |