CN108585759A - A kind of cement composite material and the preparation method and application thereof, a kind of concrete composite material and preparation method thereof - Google Patents
A kind of cement composite material and the preparation method and application thereof, a kind of concrete composite material and preparation method thereof Download PDFInfo
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- CN108585759A CN108585759A CN201810744705.2A CN201810744705A CN108585759A CN 108585759 A CN108585759 A CN 108585759A CN 201810744705 A CN201810744705 A CN 201810744705A CN 108585759 A CN108585759 A CN 108585759A
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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
- C04B28/34—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 cold phosphate binders
- C04B28/344—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 cold phosphate binders the phosphate binder being present in the starting composition solely as one or more phosphates
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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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/508—Aluminous 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
- C04B41/67—Phosphates
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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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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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
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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
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of cement composite materials, belong to technical field of concrete.Cement composite material provided by the invention includes the component of following parts by weight：40~100 parts of quartz sand, 0~20 part of aluminum phosphate, 40~100 parts of sulphate aluminium cement, 0.6~1.5 part of water-reducing agent, 0.2~1 part of fiber, 15~30 parts of water.The fiber composite sulphate aluminium cement of the present invention can improve the intensity of cement composite material with chemisorption curing of chloride ion, the in addition incorporation of fiber；When the cement composite material of the present invention is as concrete protection material, have a good compatibility with concrete interface, and with the compatibility of deformation of concrete, ensure that the mechanical property and service life of concrete composite material.
Description
Technical field
The present invention relates to technical field of concrete more particularly to a kind of cement composite material and the preparation method and application thereof,
A kind of concrete composite material and preparation method thereof.
Background technology
In decades, with the fast development of China's Coastal Areas economy, a large amount of strand building, which builds up and puts into, to be made
With.Since coastal engineering local environment is severe, a large amount of chlorion is contained in seawater, concrete structure is under the action of chlorion
Erosion damage can occur so that concrete strength reduction, steel bar corrosion, structural reliability reduce；Concrete will also wind-engaging simultaneously
Wave washes away, caused by tidewater the effects that Drought-wet change, these are all totally unfavorable to the durability of concrete for marine works structure.And
And much all having there is the problems such as season cracking for being chronically at the concrete structure under the conditions of strand, this is to concrete
More stringent requirements are proposed for protective materials, not only needs protective materials that can resist Chloride Attack, also requires protective materials energy
Enough reinforcings for having certain mechanical property for the construction material being damaged, to meet the needs of Practical Project.
Invention content
In view of this, the purpose of the present invention is to provide a kind of cement composite material and the preparation method and application thereof, one kind
Concrete composite material and preparation method thereof.Cement composite material provided by the invention can resist the erosion of chlorion, also have
There is stronger mechanical property；When as concrete protection material, it can make concrete that there is the characteristic for resisting chlorion, also to mixed
Solidifying soil has certain mechanical property reinforcing effect.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical scheme：
The present invention provides a kind of cement composite materials, include the component of following parts by weight：40~100 parts of quartz sand,
0~20 part of aluminum phosphate, 40~100 parts of sulphate aluminium cement, 0.6~1.5 part of water-reducing agent, 0.2~1 part of fiber, 15~30 parts of water.
Preferably, grain size≤0.25mm of the quartz sand.
Preferably, the fiber includes polyethylene fibre.
Preferably, the length of the fiber is 6~12mm.
Preferably, the water-reducing agent includes high-efficiency polycarboxylic acid water reducer, naphthalene sulfonate water-reducing agent or ligninsulfonate diminishing
Agent.
The present invention also provides the preparation methods of cement composite material described in above-mentioned technical proposal, include the following steps：
(1) quartz sand, aluminum phosphate and sulphate aluminium cement are mixed, obtains cementitious premix；
(2) fiber, water-reducing agent and water are sequentially added in the cementitious premix that the step (1) obtains, it is multiple obtains cement
Condensation material.
Application the present invention also provides cement composite material described in above-mentioned technical proposal as concrete protection material.
The present invention also provides a kind of concrete composite material, including solid concrete and it is coated in solid concrete surface
Cement composite material.
Preferably, the applied thickness of the cement composite material is 5~10mm.
The present invention also provides the preparation methods of concrete composite material described in above-mentioned technical proposal, include the following steps：
After the processing of solid concrete rough surface, the cement composite material is applied, the concrete composite material is obtained.
The present invention provides a kind of cement composite materials, include the component of following parts by weight：40~100 parts of quartz sand,
0~20 part of aluminum phosphate, 40~100 parts of sulphate aluminium cement, 0.6~1.5 part of water-reducing agent, 0.2~1 part of fiber, 15~30 parts of water.
In the present invention, fiber composite sulphate aluminium cement can be with chemisorption curing of chloride ion, while the incorporation of fiber can improve water
The mechanical property of mud composite material.The present invention cement composite material as concrete protection material when, cement composite material and
Concrete material compatibility of deformation is good, and has preferable interface compatibility, so that concrete is had resisting chloride ion penetration characteristic, has simultaneously
There are certain mechanical properties.The silicic acid from embodiment as can be seen that the cement composite material chloride permeability coefficient of the present invention compares
Salt cement test block reduces 25.7%, is supported using concrete composite material standard made from cement composite material provided by the invention
Bending strength increases 40.3% compared with blank concrete after shield one day, and 46.72% is increased after three days, is increased after 28 days
50.1%.
Specific implementation mode
The present invention provides a kind of cement composite materials, include the component of following parts by weight：40~100 parts of quartz sand,
0~20 part of aluminum phosphate, 40~100 parts of sulphate aluminium cement, 0.6~1.5 part of water-reducing agent, 0.2~1 part of fiber, 15~30 parts of water.
Cement composite material provided by the invention includes the quartz sand of 40~100 parts by weight, preferably 50~90 parts, more
Preferably 60~80 parts.In the present invention, the grain size of the quartz sand preferably≤0.25mm, more preferably 0.01~0.2mm,
Most preferably 0.1~1.5mm.In the present invention, aggregate of the quartz sand as cement composite material can improve protection material
The intensity of material.
On the basis of the parts by weight of the quartz sand, cement composite material provided by the invention includes 0~20 parts by weight
Several aluminum phosphates, preferably 1~15 part, more preferably 5~10 parts.The present invention does not have the source of the aluminum phosphate special limit
It is fixed, using commercial product well known to those skilled in the art.In the present invention, the aluminum phosphate is as cement composite material
Cementitious material, play the role of gluing raw material.
On the basis of the parts by weight of the quartz sand, cement composite material provided by the invention includes 40~100 weight
The sulphate aluminium cement of number, preferably 50~90 parts, more preferably 60~80 parts.The present invention is to the sulphate aluminium cement
Source does not have special restriction, using commercial product well known to those skilled in the art.In the present invention, the sulphur aluminic acid
Salt cement plays the role of gluing raw material components as main cementitious material, while sulphate aluminium cement and fiber composite can be with
Chemisorption curing of chloride ion improves the corrosion resistance and durability of cement composite material.
On the basis of the parts by weight of the quartz sand, cement composite material provided by the invention includes 0.6~1.5 weight
The water-reducing agent of number, preferably 0.8~1.3 part, more preferably 0.9~1.1 part.In the present invention, the water-reducing agent preferably wraps
Include high-efficiency polycarboxylic acid water reducer, naphthalene sulfonate water-reducing agent or ligninsulfonate water-reducing agent.Source of the present invention to the water-reducing agent
There is no special restriction, using commercial product well known to those skilled in the art.In the present invention, the water-reducing agent can
Play the role of diminishing, can equally improve the intensity of cement composite material.
On the basis of the parts by weight of the quartz sand, cement composite material provided by the invention includes 0.2~1.0 weight
The fiber of number, preferably 0.4~0.9 part, more preferably 0.6~0.8 part.In the present invention, the length of the fiber is preferred
For 6~12mm, more preferably 7~11mm, most preferably 8~10mm.In the present invention, the fiber preferably includes polyethylene fiber
Dimension.In the present invention, the polyethylene fibre preferably includes polythene chopping fiber.The present invention does not have the source of the fiber
Special restriction, using commercial product well known to those skilled in the art, specifically, as dutch royal Royal DSM group gives birth to
The polyethylene fibre of the super high molecular weight of production.In the present invention, the fiber can be compound with sulphate aluminium cement, plays chemistry
The effect of curing of chloride ion, and the mechanical property of cement composite material can be improved.
In the present invention, the cement composite material has the characteristic of chemosetting chlorion, while also having excellent
Mechanical property.
The present invention also provides the preparation methods of cement composite material described in above-mentioned technical proposal, include the following steps：
(1) quartz sand, aluminum phosphate and sulphate aluminium cement are mixed, obtains cementitious premix；
(2) fiber, water-reducing agent and water are sequentially added in the cementitious premix that the step (1) obtains, it is multiple obtains cement
Condensation material.
The present invention mixes quartz sand, aluminum phosphate and sulphate aluminium cement, obtains cementitious premix.The present invention is to described mixed
The mode of conjunction does not have special restriction, using hybrid mode well known to those skilled in the art, specifically, as stirred.
In the present invention, the rotating speed of the stirring is preferably 131~530r/min, more preferably 200~500r/min, more preferably 300
~400r/min.In the present invention, the time of the stirring is preferably 3~5min, more preferably 4min.
After obtaining cementitious premix, the present invention sequentially adds fiber, water-reducing agent and water in the cementitious premix, obtains
Cement composite material.The present invention does not have the mode of the mixing special restriction, using well known to those skilled in the art mixed
Conjunction mode, specifically, as stirred.In the present invention, after fiber being added in cementitious premix, 1min is preferably stirred；Institute
The rotating speed for stating stirring is preferably 131r/min；After fiber is added, water-reducing agent and water are added in cementitious premix and stir by the present invention
The rotating speed of 2min, the stirring are preferably 530r/min.
The preparation method of the present invention, can be such that the raw material components in cement composite material are sufficiently mixed, formation is uniformly dispersed
Cement composite material.
Application the present invention also provides cement composite material described in above-mentioned technical proposal as concrete protection material.
The present invention also provides a kind of concrete composite material, including solid concrete and it is coated in solid concrete surface
Cement composite material.Composition not special restriction of the present invention to the solid concrete, those skilled in the art according to
It is selected.In the present invention, the applied thickness of the cement composite material is preferably 5~10mm, and more preferably 6
~9mm, most preferably 7~8mm.
In the present invention, the concrete composite material makes because using the cement composite material with curing of chloride ion
Concrete composite material has resisting chloride ion penetration effect, has excellent corrosion resistance and durability；Meanwhile in cement composite material
Because mixing fiber, the mechanical strength of concrete composite material can be improved.
The present invention also provides the preparation methods of concrete composite material described in above-mentioned technical proposal, include the following steps：
After the processing of solid concrete rough surface, the cement composite material is applied, the concrete composite material is obtained.
The present invention does not have special restriction to the mode of the coarse processing, using well known to those skilled in the art coarse
Processing mode, specifically such as, dabbing processing.The present invention does not have the mode of the coating special restriction, using ability
Coating means known to field technique personnel.
With reference to embodiment to cement composite material provided by the invention and the preparation method and application thereof, a kind of concrete
Composite material and preparation method is described in detail, but they cannot be interpreted as the limit to the scope of the present invention
It is fixed.
Embodiment 1
A kind of cement composite material includes the component of following parts by weight：Grain size is 50 parts of the quartz sand of 40~100 mesh,
100 parts of sulphate aluminium cement, 1.5 parts of polycarboxylate water-reducer, 0.5 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand and sulphate aluminium cement are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested：The cement composite material is prefabricated into one group of endless chipping
Test block after conserving 28 days at ambient temperature, is put into the full water dispenser of vacuum vacuum and vacuumizes one hour, reuse 10% mass point
Several sodium chloride solution is satisfied salt 1h, is placed into electrodeless resistivity tester (CCR1) and is chlorinated sodium solution by measuring and is impregnated with
The resistivity of test block obtain the chloride diffusion coefficient of material.Test result is：The chlorine of the cement composite material of the present embodiment
Ion infiltration coefficient is 0.416 × 10-11, the chloride permeability coefficient 0.508 × 10 for the portland cement test specimen that compares-11, subtract
It is small by 18.1%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength test of concrete composite material：To ensure that test result, cement composite material will be in coating
Concrete material both sides reserve the space of 55mm, to ensure the test accuracy of concrete composite material.By concrete composite wood
Expect to carry out contrast test with blank concrete after at ambient temperature curing 1 day, 3 days, 28 days；In material experiment-machine (NYL-300
Type) on test its four point bending strength, every three concrete are one group, and the average bending strength of three concrete is the anti-of the group
Curved intensity.The four point bending strength of blank concrete is 5.9MPa, its bending resistance is strong after concrete composite material standard curing one day
Degree increases 37.5% compared with blank concrete, and 44.8% is increased after three days, 47.1% is increased after 28 days.
Embodiment 2
A kind of cement composite material includes the component of following parts by weight：Grain size is 50 parts of the quartz sand of 40~100 mesh,
10 parts of aluminum phosphate, 100 parts of sulphate aluminium cement, 1.5 parts of naphthalene sulfonate water-reducing agent, 0.75 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand, sulphate aluminium cement and aluminum phosphate are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.377 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 25.7%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 40.3%, 46.72% is increased after three days, 50.1% is increased after 28 days.
Embodiment 3
A kind of cement composite material includes the component of following parts by weight：Grain size is 50 parts of the quartz sand of 40~100 mesh,
20 parts of aluminum phosphate, 100 parts of sulphate aluminium cement, 1.5 parts of ligninsulfonate water-reducing agent, 1.0 parts of polythene chopping fiber, water 28
Part.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand, sulphate aluminium cement and aluminum phosphate are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.312 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 37.1%.
A kind of concrete composite material, including solid concrete and the cement composite material coated in solid concrete, institute
The thickness for stating cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 36.9%, 42.8% is increased after three days, 45.1% is increased after 28 days.
Embodiment 4
A kind of cement composite material includes the component of following parts by weight：Grain size is 75 parts of the quartz sand of 40~100 mesh,
10 parts of aluminum phosphate, 100 parts of sulphate aluminium cement, 1.5 parts of polycarboxylate water-reducer, 0.5 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand, sulphate aluminium cement and aluminum phosphate are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.422 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 16.9%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete material rough surface is handled,
Then the cement composite material for applying 10mm thickness, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 30.9%, 35.8% is increased after three days, 39.5% is increased after 28 days.
Embodiment 5
A kind of cement composite material includes the component of following parts by weight：Grain size is 75 parts of the quartz sand of 40~100 mesh,
20 parts of aluminum phosphate, 100 parts of sulphate aluminium cement, 1.5 parts of polycarboxylate water-reducer, 0.75 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand, sulphate aluminium cement and aluminum phosphate are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.418 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 17.6%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 31.7%, 35.7% is increased after three days, 40.1% is increased after 28 days.
Embodiment 6
A kind of cement composite material includes the component of following parts by weight：Grain size is 75 parts of the quartz sand of 40~100 mesh,
100 parts of sulphate aluminium cement, 1.5 parts of naphthalene sulfonate water-reducing agent, 1 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand and sulphate aluminium cement are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.443 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 16.1%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 30.1%, 34.9% is increased after three days, 38.9% is increased after 28 days.
Embodiment 7
A kind of cement composite material includes the component of following parts by weight：Grain size is 100 parts of the quartz sand of 40~100 mesh,
20 parts of aluminum phosphate, 100 parts of sulphate aluminium cement, 1.5 parts of naphthalene sulfonate water-reducing agent, 0.5 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand, sulphate aluminium cement and aluminum phosphate are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.437 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 13.9%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete material rough surface is handled,
Then the cement composite material for applying 10mm thickness, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 27.5%, 31.2% is increased after three days, 33.1% is increased after 28 days.
Embodiment 8
A kind of cement composite material includes the component of following parts by weight：Grain size is 100 parts of the quartz sand of 40~100 mesh,
100 parts of sulphate aluminium cement, 1.5 parts of ligninsulfonate water-reducing agent, 0.75 part of polythene chopping fiber, 28 parts of water.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand and sulphate aluminium cement are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
Cement composite material chloride permeability performance is tested using method same as Example 1, test result is：This reality
The chloride permeability coefficient for applying the cement composite material of example is 0.436 × 10-11, the chlorion for the portland cement test block that compares
Infiltration coefficient 0.508 × 10-11, reduce 14.2%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 27.7%, 30.68% is increased after three days, 33.8% is increased after 28 days.
Embodiment 9
A kind of cement composite material includes the component of following parts by weight：Grain size is 100 parts of the quartz sand of 40~100 mesh,
10 parts of aluminum phosphate, 100 parts of sulphate aluminium cement, 1.5 parts of ligninsulfonate water-reducing agent, 1.0 parts of polythene chopping fiber, water 28
Part.
The preparation method of the cement composite material, includes the following steps：
(1) quartz sand, sulphate aluminium cement and aluminum phosphate are obtained into cementitious premix in stirring 1min；
(2) fiber is added in cementitious premix and stirs 1min, water-reducing agent is then added and water stirs 2min, obtains cement
Composite material.
The chloride permeability performance of cement composite material is tested using method same as Example 1, test result is：This
The chloride permeability coefficient of the cement composite material of embodiment is 0.434 × 10-11, the chlorine of the portland cement test block that compares from
Sub- infiltration coefficient 0.508 × 10-11, reduce 14.5%.
A kind of concrete composite material, including solid concrete and the cementitious composite material coated in solid concrete surface
The thickness of material, the cement composite material is 10mm.
The preparation method of the concrete composite material, includes the following steps：Solid concrete rough surface is handled, so
The cement composite material for applying 10mm thickness afterwards, obtains concrete composite material.
The bending strength of concrete composite material is tested using method same as Example 1, test result is：Blank is mixed
The four point bending strength for coagulating soil is 5.9MPa, its bending strength and blank concrete after concrete composite material standard curing one day
Compared to increasing 26.8%, 29.1% is increased after three days, 32.4% is increased after 28 days.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of cement composite material includes the component of following parts by weight：40~100 parts of quartz sand, 0~20 part of aluminum phosphate,
40~100 parts of sulphate aluminium cement, 0.6~1.5 part of water-reducing agent, 0.2~1 part of fiber, 15~30 parts of water.
2. cement composite material according to claim 1, which is characterized in that grain size≤0.25mm of the quartz sand.
3. cement composite material according to claim 1, which is characterized in that the fiber includes polyethylene fibre.
4. cement composite material according to claim 1 or 3, which is characterized in that the length of the fiber is 6~12mm.
5. cement composite material according to claim 1, which is characterized in that the water-reducing agent includes High-efficiency polycarboxylic acid diminishing
Agent, naphthalene sulfonate water-reducing agent or ligninsulfonate water-reducing agent.
6. the preparation method of any one of Claims 1 to 5 cement composite material, includes the following steps：
(1) quartz sand, aluminum phosphate and sulphate aluminium cement are mixed, obtains cementitious premix；
(2) fiber, water-reducing agent and water are sequentially added in the cementitious premix that the step (1) obtains, obtains cementitious composite material
Material.
7. the cementitious composite that preparation method obtains described in any one of Claims 1 to 5 cement composite material or claim 6
Application of the material as concrete protection material.
8. a kind of concrete composite material, including solid concrete and the cement composite material coated in solid concrete surface,
The cement composite material is that preparation method described in any one of the Claims 1 to 5 cement composite material or claim 6 obtains
The cement composite material arrived.
9. concrete composite material according to claim 8, which is characterized in that the applied thickness of the cement composite material
For 5~10mm.
10. the preparation method of any one of claim 8~9 concrete composite material, includes the following steps：
After the processing of solid concrete rough surface, the cement composite material is applied, the concrete composite material is obtained.
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