CN106278012A - A kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof - Google Patents
A kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof Download PDFInfo
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- CN106278012A CN106278012A CN201610586326.6A CN201610586326A CN106278012A CN 106278012 A CN106278012 A CN 106278012A CN 201610586326 A CN201610586326 A CN 201610586326A CN 106278012 A CN106278012 A CN 106278012A
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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
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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
- 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]
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof, relate to building material technical field, including anti-crack concrete, described anti-crack concrete material also includes steel fibre, carbon fiber and reinforcing agent, wherein, on the basis of anti-crack concrete, steel fibre is that the mass percent of anti-crack concrete is: 2% 4%, and carbon fiber is that the mass percent of anti-crack concrete is: 4% 8%；On the basis of water in anti-crack concrete, reinforcing agent is that the mass percent of water is: 0.3% 0.6%, this invention, steel fibre and carbon fiber is mixed, is applied in concrete, then adds reinforcing agent and can be greatly promoted the comprcssive strength of concrete.
Description
Technical field
The present invention relates to building material technical field, particularly to a kind of steel carbon mixed-fiber reinforced concrete material and preparation side thereof
Method.
Background technology
In recent years, along with process, the Integration of Urban-rural Areas of urbanization are constantly accelerated, the effect of concrete additive is the heaviest
Want.And it is known that cement concrete material is one of now the most large construction material, in we live, concrete without
Place does not exists.The either drilling well investigating station and ocean in road, bridge, building, harbour, harbour, dam, airport, or the South Pole
Platform, people at every moment can touch it, and cement concrete material is also used for outer space in research by scientist.
In prior art, many underground engineerings, especially mass concrete engineering, distress in concrete is more universal, for
Crack the most typically takes to fill extender and polypropylene fibre technology means reach effect to prevent concrete from occurring, but on admixture
Stating material and increase Cost of Concrete, and artificial interpolation need to be aided with, increasing labor intensity and environmental pollution, if used automatically
Metallization processes, again because of in this concrete to compare proportion with other low, cause increase equipment investment and the problem of the idleness of equipment, and
And the most at a relatively high to the curing requirements of engineering after admixture extender, once maintenance is not in place can increase the machine producing crack on the contrary
Rate, adds construction cost, and concrete is easily affected by external environment and causes concrete microcrack to extend, and harmful substance invades
Cause concrete deterioration, reduce concrete durability, affect the service life of concrete structures.
Concrete is with concrete as matrix, the general name of the cement based mixing material made by other fibrous materials, due to,
What fiber concrete can well inhibit crack carries out and can improve the multiple performance of concrete, so fiber concrete is to change
The effective ways of kind concrete stress performance.But the concern that people are more for a long time, the reinforced effects of single concrete, thing
In reality, different types of fibrous material is different to the reinforced effects of concrete.Some can improve the preliminary examination cracking degree of concrete
Preventing concrete cracking, after some can improve concrete cracking, degree of participation limits fracture width development, and some has antiknock
Fire resistance properties etc., can be complementary thus produce and just mixing effect between them by different fibrous materials according to fibrous material theory
Should, 1 effect adding 1 more than two can be reached, thus produce dependable performance and there is the novel height of preferable economic and social benefits
Performance fibers material.
Existing fiber concrete material comprcssive strength is low, and shock resistance is poor, and fire-and explosion-proof Performance comparision is weak, therefore I
Need to provide a kind of novel concrete material, thus promote the comprcssive strength of concrete.
Summary of the invention
The technical problem to be solved is to provide a kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof,
Low with the fiber concrete material comprcssive strength that solves to cause in prior art, shock resistance is poor, fire-and explosion-proof Performance comparision
The above-mentioned multinomial defect such as weak.
For achieving the above object, the present invention provides following technical scheme: a kind of steel carbon mixed-fiber reinforced concrete material, bag
Including anti-crack concrete, described anti-crack concrete material also includes steel fibre, carbon fiber and reinforcing agent, wherein, with anti-crack concrete
On the basis of, steel fibre is that the mass percent of anti-crack concrete is: 2%-4%, and carbon fiber is the percent mass of anti-crack concrete
Ratio is: 4%-8%；On the basis of water in anti-crack concrete, reinforcing agent is that the mass percent of water is: 0.3%-0.6%.
Preferably, component and the content of described anti-crack concrete are as follows: containing normal silicate in 1 m anti-crack concrete
Cement 395-480kg, rubble 240-300kg, fine aggregate 650-700kg,
Coarse aggregate 820-950kg, river sand 200-300kg, polypropylene powder 15-30kg, nano silicon 15-30kg, stearic acid
Calcium 20-30kg, water 145-150kg, additive 9-11kg.
Preferably, described Portland cement is 52.5 grades.
Preferably, described fine aggregate is II district's medium sand of modulus of fineness 2.6-3.0, and clay content is less than 3%.
Preferably, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce component and sodium gluconate
Composition.
Preferably, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce component and sodium gluconate
Mass ratio be: 21:8:8:3:17.
Preferably, the one during described reinforcing agent is nano-calcium carbonate, gas phase nano silicon dioxide and nano kaoline.
The preparation method of a kind of steel carbon mixed-fiber reinforced concrete material, comprises the following steps:
(1) component of steel carbon mixed-fiber reinforced concrete material is pressed, by anti-crack concrete, steel fibre
Dimension, carbon fiber and reinforcing agent weigh up respectively, and wherein, on the basis of anti-crack concrete, steel fibre is the matter of anti-crack concrete
Amount percentage ratio is: 2%-4%, carbon fiber is that the mass percent of anti-crack concrete is: 4%-8%；With in anti-crack concrete
On the basis of water, reinforcing agent is that the mass percent of water is: 0.3%-0.6%；
(2) steel fibre, carbon fiber and reinforcing agent are mixed, add warm water, stir 20-30 minute with blender, system
Become mixed liquor；
(3) mixed liquor is added in anti-crack concrete, then stir 20-30 minute with blender, to the regulation slump.
Preferably, the mass percent of described steel fibre and carbon fiber is 2:1.
A kind of steel carbon mixed-fiber reinforced concrete material that the present invention provides, has the benefit that steel fibre is a kind of new, high
The steel fibre kind of performance, steel fibre intensity is big, by steel fibre application with in concrete, can strong with significant increase concrete
Degree, this effect will be far better than normal concrete.Carbon fiber, is a kind of phosphorus content high intensity more than 95%, high-modulus fibre
The tencel material of dimension.It is to be piled up along fiber axial direction by organic fibers such as flake graphite crystallites to form, through carbonization and
Graphitization processing and the micro crystal graphite material that obtains.Carbon fiber " soft outside but hard inside ", quality is lighter than metallic aluminium, but intensity is higher than steel
Ferrum, and there is corrosion-resistant, the characteristic of high-modulus, therefore, by carbon fiber application with concrete, coagulation can be improved greatly
The comprcssive strength of soil, the concrete product made has stronger toughness, significantly improves the ability of interface resistance to deformation, reduces wall
Crackle on wall, increases the service life, this invention, steel fibre and carbon fiber is mixed, is applied in concrete, for concrete
Mechanical property for, be combined with concrete by threadiness, then add reinforcing agent and can be greatly promoted the comprcssive strength of concrete.
Detailed description of the invention
Below by the description to embodiment, the manufacturing process the most involved to the detailed description of the invention of the present invention and operating with
Methods etc., are described in further detail, to help those skilled in the art to have inventive concept, the technical scheme of the present invention
More complete, accurate and deep understanding.
Embodiment 1:
A kind of steel carbon mixed-fiber reinforced concrete material, including anti-crack concrete, described anti-crack concrete material also include steel fibre,
Carbon fiber and reinforcing agent, wherein, on the basis of anti-crack concrete, steel fibre be the mass percent of anti-crack concrete be 2%, carbon
Fiber be the mass percent of anti-crack concrete be 4%；On the basis of water in anti-crack concrete, reinforcing agent is the quality hundred of water
Proportion by subtraction is 0.3%.
In the present embodiment, component and the content of described anti-crack concrete are as follows: containing ordinary silicon in 1 m anti-crack concrete
Acid salt cement 395kg, rubble 240kg, fine aggregate 650kg, coarse aggregate 820kg, river sand 200kg, polypropylene powder 15kg, nanometer two
Silicon oxide 15kg, calcium stearate 20kg, water 145kg, additive 9kg.
In the present embodiment, described Portland cement is 52.5 grades.
In the present embodiment, described fine aggregate is II district's medium sand of modulus of fineness 2.6, and clay content is less than 3%.
In the present embodiment, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce component and glucose
Acid sodium composition, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce the quality of component and sodium gluconate
Ratio is: 21:8:8:3:17.
In the present embodiment, described reinforcing agent is nano-calcium carbonate.
The preparation method of a kind of steel carbon mixed-fiber reinforced concrete material, comprises the following steps:
(1) component of steel carbon mixed-fiber reinforced concrete material is pressed, by anti-crack concrete, steel fibre
Dimension, carbon fiber and reinforcing agent weigh up respectively, and wherein, on the basis of anti-crack concrete, steel fibre is the matter of anti-crack concrete
Amount percentage ratio be 2%, carbon fiber be the mass percent of anti-crack concrete be 4%；On the basis of water in anti-crack concrete, increase
Strong agent is that the mass percent of water is: 0.3%；
(2) steel fibre, carbon fiber and reinforcing agent are mixed, add warm water, stir 20 minutes with blender, make mixed
Close liquid；
(3) mixed liquor is added in anti-crack concrete, then stir 20 minutes with blender, to the regulation slump.
Embodiment 2
A kind of steel carbon mixed-fiber reinforced concrete material, including anti-crack concrete, described anti-crack concrete material also include steel fibre,
Carbon fiber and reinforcing agent, wherein, on the basis of anti-crack concrete, steel fibre be the mass percent of anti-crack concrete be 2.5%,
Carbon fiber be the mass percent of anti-crack concrete be 5%；On the basis of water in anti-crack concrete, reinforcing agent is the quality of water
Percentage ratio is 0.4%.
In the present embodiment, component and the content of described anti-crack concrete are as follows: containing ordinary silicon in 1 m anti-crack concrete
Acid salt cement 400kg, rubble 260kg, fine aggregate 660kg, coarse aggregate 850kg, river sand 240kg, polypropylene powder 20kg, nanometer two
Silicon oxide 22kg, calcium stearate 22kg, water 145kg, additive 9.5kg.
In the present embodiment, described Portland cement is 52.5 grades.
In the present embodiment, described fine aggregate is II district's medium sand of modulus of fineness 2.6, and clay content is less than 3%.
In the present embodiment, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce component and glucose
Acid sodium composition, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce the quality of component and sodium gluconate
Ratio is: 21:8:8:3:17.
In the present embodiment, described reinforcing agent is gas phase nano silicon dioxide.
The preparation method of a kind of steel carbon mixed-fiber reinforced concrete material, comprises the following steps:
(1) component of steel carbon mixed-fiber reinforced concrete material is pressed, by anti-crack concrete, steel fibre
Dimension, carbon fiber and reinforcing agent weigh up respectively, and wherein, on the basis of anti-crack concrete, steel fibre is the matter of anti-crack concrete
Amount percentage ratio be 2%, carbon fiber be the mass percent of anti-crack concrete be 4%；On the basis of water in anti-crack concrete, increase
Strong agent is that the mass percent of water is: 0.3%；
(2) steel fibre, carbon fiber and reinforcing agent are mixed, add warm water, stir 20 minutes with blender, make mixed
Close liquid；
(3) mixed liquor is added in anti-crack concrete, then stir 20 minutes with blender, to the regulation slump.
Embodiment 3:
A kind of steel carbon mixed-fiber reinforced concrete material, including anti-crack concrete, described anti-crack concrete material also include steel fibre,
Carbon fiber and reinforcing agent, wherein, on the basis of anti-crack concrete, steel fibre be the mass percent of anti-crack concrete be 3%, carbon
Fiber be the mass percent of anti-crack concrete be 6%；On the basis of water in anti-crack concrete, reinforcing agent is the quality hundred of water
Proportion by subtraction is 0.5%.
In the present embodiment, component and the content of described anti-crack concrete are as follows: containing ordinary silicon in 1 m anti-crack concrete
Acid salt cement 480kg, rubble 300kg, fine aggregate 700kg, coarse aggregate 950kg, river sand 300kg, polypropylene powder 30kg, nanometer two
Silicon oxide 30kg, calcium stearate 30kg, water 150kg, additive 11kg.
In the present embodiment, described Portland cement is 52.5 grades.
In the present embodiment, described fine aggregate is II district's medium sand of modulus of fineness 3.0, and clay content is less than 3%.
In the present embodiment, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce component and glucose
Acid sodium composition, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce the quality of component and sodium gluconate
Ratio is: 21:8:8:3:17.
In the present embodiment, described reinforcing agent is gas phase nano silicon dioxide.
The preparation method of a kind of steel carbon mixed-fiber reinforced concrete material, comprises the following steps:
(1) component of steel carbon mixed-fiber reinforced concrete material is pressed, by anti-crack concrete, steel fibre
Dimension, carbon fiber and reinforcing agent weigh up respectively, and wherein, on the basis of anti-crack concrete, steel fibre is the matter of anti-crack concrete
Amount percentage ratio be 3%, carbon fiber be the mass percent of anti-crack concrete be 6%；On the basis of water in anti-crack concrete, increase
Strong agent is that the mass percent of water is: 0.5%；
(2) steel fibre, carbon fiber and reinforcing agent are mixed, add warm water, stir 25 minutes with blender, make mixed
Close liquid；
(3) mixed liquor is added in anti-crack concrete, then stir 25 minutes with blender, to the regulation slump.
Embodiment 4:
A kind of steel carbon mixed-fiber reinforced concrete material, including anti-crack concrete, described anti-crack concrete material also include steel fibre,
Carbon fiber and reinforcing agent, wherein, on the basis of anti-crack concrete, steel fibre be the mass percent of anti-crack concrete be 4%, carbon
Fiber be the mass percent of anti-crack concrete be 8%；On the basis of water in anti-crack concrete, reinforcing agent is the quality hundred of water
Proportion by subtraction is 0.6%.
In the present embodiment, component and the content of described anti-crack concrete are as follows: containing ordinary silicon in 1 m anti-crack concrete
Acid salt cement 437.5kg, rubble 270kg, fine aggregate 675kg, coarse aggregate 885kg, river sand 250kg, polypropylene powder 22.5kg, receive
Rice silicon dioxide 22.5kg, calcium stearate 25kg, water 147.5kg, additive 10kg.
In the present embodiment, described Portland cement is 52.5 grades.
In the present embodiment, described fine aggregate is II district's medium sand of modulus of fineness 3.0, and clay content is less than 3%.
In the present embodiment, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce component and glucose
Acid sodium composition, described additive by polyacrylamide, sodium sulfate, methylcellulose, reduce the quality of component and sodium gluconate
Ratio is: 21:8:8:3:17.
In the present embodiment, described reinforcing agent is nano kaoline.
The preparation method of a kind of steel carbon mixed-fiber reinforced concrete material, comprises the following steps:
(1) component of steel carbon mixed-fiber reinforced concrete material is pressed, by anti-crack concrete, steel fibre
Dimension, carbon fiber and reinforcing agent weigh up respectively, and wherein, on the basis of anti-crack concrete, steel fibre is the matter of anti-crack concrete
Amount percentage ratio be 4%, carbon fiber be the mass percent of anti-crack concrete be 8%；On the basis of water in anti-crack concrete, increase
Strong agent is that the mass percent of water is: 0.6%；
(2) steel fibre, carbon fiber and reinforcing agent are mixed, add warm water, stir 30 minutes with blender, make mixed
Close liquid；
(3) during mixed liquor adds anti-crack concrete, then stir 30 minutes with blender, to the regulation slump.
Normal concrete performance on the concrete material of above-described embodiment 1-4 and market is tested, result such as table 1:
| Sequence number | 28d comprcssive strength/Mpa | 56d comprcssive strength/Mpa |
| Embodiment 1 | 121.5 | 117.2 |
| Embodiment 2 | 119.1 | 115.4 |
| Embodiment 3 | 120.7 | 120.1 |
| Embodiment 4 | 118.4 | 116.9 |
| Normal concrete | 60.8 | 56.7 |
From data above, steel fibre and carbon fiber are mixed, is applied in concrete, then add reinforcing agent and can significantly carry
Rising the comprcssive strength of concrete, the right present invention implements and is not subject to the restrictions described above, as long as have employed the side of the present invention
The improvement of various unsubstantialities that method design and technical scheme are carried out, or the most improved design by the present invention and technical scheme straight
Scoop out for other occasion, all within protection scope of the present invention.
Claims (9)
1. steel carbon mixed-fiber reinforced concrete material, including anti-crack concrete, it is characterised in that: described anti-crack concrete material also wraps
Including steel fibre, carbon fiber and reinforcing agent, wherein, on the basis of anti-crack concrete, steel fibre is the percent mass of anti-crack concrete
Ratio is: 2%-4%, and carbon fiber is that the mass percent of anti-crack concrete is: 4%-8%；With the water in anti-crack concrete as base
Standard, reinforcing agent is that the mass percent of water is: 0.3%-0.6%.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 1, it is characterised in that: the group of described anti-crack concrete
Divide and content is as follows: containing Portland cement 395-480kg, rubble 240-300kg, fine aggregate in 1 m anti-crack concrete
650-700kg, coarse aggregate 820-950kg, river sand 200-300kg, polypropylene powder 15-30kg, nano silicon 15-30kg,
Calcium stearate 20-30kg, water 145-150kg, additive 9-11kg.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 2, it is characterised in that: described Portland cement
It it is 52.5 grades.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 2, it is characterised in that: described fine aggregate is fineness mould
II district's medium sand of number 2.6-3.0, clay content is less than 3%.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 2, it is characterised in that: described additive is by polypropylene
Amide, sodium sulfate, methylcellulose, reduce component and sodium gluconate composition.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 5, it is characterised in that: described additive is by polypropylene
Amide, sodium sulfate, methylcellulose, the mass ratio that reduces component and sodium gluconate be: 21:8:8:3:17.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 1, it is characterised in that: described reinforcing agent is nano-sized carbon
One in acid calcium, gas phase nano silicon dioxide and nano kaoline.
8. a preparation method for the steel carbon mixed-fiber reinforced concrete material as described in claim 1-7 any one, its feature
It is: comprise the following steps:
(1) component of steel carbon mixed-fiber reinforced concrete material is pressed, by anti-crack concrete, steel fibre, carbon fibre
Peacekeeping reinforcing agent weighs up respectively, and wherein, on the basis of anti-crack concrete, steel fibre is the mass percent of anti-crack concrete
For: 2%-4%, carbon fiber is that the mass percent of anti-crack concrete is: 4%-8%；On the basis of water in anti-crack concrete,
Reinforcing agent is that the mass percent of water is: 0.3%-0.6%；
(2) steel fibre, carbon fiber and reinforcing agent are mixed, add warm water, stir 20-30 minute with blender, system
Become mixed liquor；
(3) mixed liquor is added in anti-crack concrete, then stir 20-30 minute with blender, to the regulation slump.
Steel carbon mixed-fiber reinforced concrete material the most according to claim 8, it is characterised in that: described steel fibre and carbon fiber
Mass percent be 1:2.
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| CN108264282A (en) * | 2018-01-25 | 2018-07-10 | 四川通德商品混凝土有限公司 | Steel fiber reinforced concrete and its preparation process |
| CN108314369A (en) * | 2018-05-11 | 2018-07-24 | 安徽砼宇特构科技有限公司 | A kind of steel carbon mixed-fiber reinforced concrete material and preparation method thereof |
| CN108558292A (en) * | 2018-06-25 | 2018-09-21 | 深圳市振惠建混凝土有限公司 | A kind of anti-crack concrete mixture and preparation method thereof |
| CN115140981A (en) * | 2022-07-28 | 2022-10-04 | 武汉理工大学 | High-performance graphite steel fiber concrete and preparation method thereof |
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