CN109503071A - Clear-water concrete - Google Patents
Clear-water concrete Download PDFInfo
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- CN109503071A CN109503071A CN201811459352.8A CN201811459352A CN109503071A CN 109503071 A CN109503071 A CN 109503071A CN 201811459352 A CN201811459352 A CN 201811459352A CN 109503071 A CN109503071 A CN 109503071A
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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
- 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
- C04B2111/2015—Sulfate resistance
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to the field of building materials to provide a kind of clear-water concrete, the component including following mass fraction: 7.5-10 parts of water aiming at the problem that clear-water concrete is easy by rain erosion；15-20 parts of portland cement；45-60 parts of sand；60-80 parts of stone；0.75-1 parts of water-reducing agent；3-4 parts of carbon fiber；10.5-14 parts of rubber latex；3.75-5 parts of silane coupling agent.By the way that carbon fiber is added, carbon fiber has soft outside but hard inside characteristic, and carbon fiber corrosion resistance is prominent, to be conducive to improve the corrosion resistance of clear-water concrete, is conducive to extend the service life of clear-water concrete.
Description
Technical field
The present invention relates to the field of building materials, more specifically, it relates to a kind of clear-water concrete.
Background technique
Clear-water concrete is a kind of modernistic technique of expression of building, because its great decorative effect is also referred to as decorative coagulation
Soil.Clear-water concrete is the gimmick for showing a kind of plain face of concrete, pours and postpones in concrete, and there is no any coatings, patch porcelain
The materials such as brick, patch stone material.
But since there is no the materials such as any coating, tiling, patch stone material, clear water coagulations for the appearance of clear-water concrete
Soil is easy to be impregnated with or deteriorated by rainwater, and rainwater is generally in acidity, so that clear-water concrete is easy by raindrop erosion, so as to shorten
The service life of clear-water concrete still has improved space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of clear-water concrete, have it is corrosion-resistant,
The advantages of being not easily susceptible to cracking.
To achieve the above object, the present invention provides the following technical scheme that
A kind of clear-water concrete, the component including following mass fraction:
7.5-10 parts of water；
15-20 parts of portland cement；
45-60 parts of sand；
60-80 parts of stone；
0.75-1 parts of water-reducing agent；
3-4 parts of carbon fiber；
10.5-14 parts of rubber latex；
3.75-5 parts of silane coupling agent.
By adopting the above technical scheme, by the way that carbon fiber is added, carbon fiber has soft outside but hard inside characteristic, and quality compares metal
Gently, but intensity is higher than steel, and carbon fiber corrosion resistance is prominent, and carbon fiber is dispersed in clear-water concrete, is easy
Erosion-resisting protective layer is formed in clear-water concrete, to be conducive to improve the corrosion resistance of clear-water concrete, so that clear water
Concrete is not easy by raindrop erosion, and then is conducive to extend the service life of clear-water concrete；By the way that rubber latex is added, have
Conducive to the toughness of enhancing clear-water concrete mixture, so that the compression strength after fair-faced concrete molding improves, so that at
Clear-water concrete after type is not easily susceptible to cracking；By the way that silane coupling agent is added, be conducive to enhance rubber latex and clear-water concrete
In the compatibilities of other components be conducive to latex rubber so that rubber latex is preferably dispersed in concrete mix
Liquid plays a role；Meanwhile silane coupling agent need to be hydrolyzed to form first when coupling each component in rubber latex and clear-water concrete
Silanol, and portland cement surface may absorbed portion water, formed silicone hydroxyl, the silanol hydrolyzed to form due to silane coupling agent
Polarity is extremely strong, hydrogen bond easy to form, and the hydroxyl on different silanols is easy mutual dehydrating condensation, and the hydroxyl on silanol is also easy to simultaneously
Dehydrating condensation occurs with the silicone hydroxyl on portland cement surface, so that portland cement is bound up with silane coupling agent, and
Silane coupling agent is coupled with rubber latex simultaneously, to be conducive to the extension of strand, is conducive to the formation of cross-linked network, thus
The compression strength for being conducive to improve clear-water concrete, so that being not easily susceptible to cracking after fair-faced concrete molding, while being conducive to improve
The consistency of clear-water concrete mixture is uniformly dispersed so that each component in clear-water concrete is easier to mix, it is mixed to reduce clear water
Solidifying soil is easy to appear the phenomenon that bleeding or isolation, in addition, silane coupling agent and portland cement contain element silicon, according to phase
Patibhaga-nimitta dissolubility is conducive to dissolving each other for silane coupling agent and portland cement, to be conducive to each component in clear-water concrete point
It dissipates uniformly, reduces the phenomenon that clear-water concrete is easy to appear bleeding or isolation during being stirred.
The present invention is further arranged to: further include the component of following mass fraction:
1.5-2 parts of ceramic powder.
By adopting the above technical scheme, by the way that ceramic powder, the performance that ceramic powder has high temperature resistant, intensity high, to have is added
Conducive to the compression strength of clear-water concrete is improved, so that being not easily susceptible to cracking after fair-faced concrete molding, while being conducive to improve clear
The high temperature resistance of water coagulation soil is conducive to extend clear water coagulation so that clear-water concrete is not easily susceptible to cracking under the high temperature conditions
The service life of soil；In addition, ceramic powder also has certain lubricity, to be conducive to improve the smooth of faced concrete surface
Smoothness, so that the decorative effect of clear-water concrete enhances.
The present invention is further arranged to: the granularity of the ceramic powder is 1000-1500 mesh.
By adopting the above technical scheme, it is the setting of 1000-1500 mesh by the granularity of ceramic powder, is conducive to ceramic powder filling
Hole between cement granules, so that the intensity of fair-faced concrete molding body and durability improve, so that the molding of clear-water concrete
Body is not easily susceptible to cracking, and is conducive to extend the service life of clear-water concrete.
The present invention is further arranged to: further include the component of following mass fraction:
1.5-2 parts of toughener.
By adopting the above technical scheme, by the way that toughener is added, be conducive to the toughness for enhancing rubber latex, to be conducive to mention
The compression strength of high fair-faced concrete molding body, so that the bearing strength of fair-faced concrete molding body improves, so that clear water
The formed body of concrete is not easily susceptible to cracking, and is conducive to extend the service life of clear-water concrete.
The present invention is further arranged to: further include the component of following mass fraction:
0.75-1 parts of defoaming agent.
By adopting the above technical scheme, by the way that defoaming agent is added, be conducive to pressing down during being stirred in clear-water concrete
The generation of foam processed, so that the formed body of clear-water concrete is not easy the case where flake or aperture occur, so that concrete component
Finer and close light is conducive to the decorative effect for improving clear-water concrete.
The present invention is further arranged to: the defoaming agent is silicone oil.
By adopting the above technical scheme, by the way that silicone oil is added, silicone oil is not colourless, tasteless, nontoxic, volatile, is conducive to improve
The environmental-protecting performance of clear-water concrete；Meanwhile silicone oil have lubricity, stable chemical performance, be conducive to improve clear-water concrete at
The flat and smooth degree in type body surface face, so that the decorative effect of clear-water concrete improves；In addition, according to similar intermiscibility, silicone oil, silicon
Contain element silicon in acid salt cement and silane coupling agent, be conducive to silicone oil and be uniformly mixed in clear-water concrete mixture,
So that silicone oil preferably plays a role.
The present invention is further arranged to: further include the component of following mass fraction:
0.75-1 parts of air entraining agent.
By adopting the above technical scheme, by the way that air entraining agent is added, be conducive to the frost resistance, the salt resistance stain that improve clear-water concrete
And the performance of resistance to sulfate attack is conducive to extend clear water coagulation so that clear-water concrete is not readily susceptible to the erosion of rainwater
The service life of soil, so that the durability of clear-water concrete enhances.
The present invention is further arranged to: the air entraining agent is AH series air entraining agent.
By adopting the above technical scheme, it is the setting of AH series air entraining agent by air entraining agent, is conducive to improve clear-water concrete
The slump, mobility and plasticity, while mixing the flexibility that AH series air entraining agent also advantageously improves clear-water concrete,
So that the formed body of clear-water concrete is not easily susceptible to cracking, to be conducive to extend the service life of clear-water concrete.
Clear-water concrete of the invention is using made of following preparation method:
(1) portland cement is added in cement mixer and stirs；
(2) addition water, water-reducing agent, carbon fiber, rubber latex, silane coupling agent obtain pre- after mixing evenly while stirring
Mixed object；
(3) sand in being added in sandstone blender and stirs rubble, after mixing evenly, obtains aggregate；
(4) pre-composition and aggregate are added in concrete mixer and stirs evenly；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is fitted into mold；
(6) vibrate clear-water concrete and levelling；
(7) maintenance molding, and dismantle mold.
In conclusion the invention has the following advantages:
1. carbon fiber has soft outside but hard inside characteristic, and carbon fiber corrosion resistance is prominent, carbon fiber by the way that carbon fiber is added
Dimension is dispersed in clear-water concrete, is easy to form erosion-resisting protective layer in clear-water concrete, to be conducive to improve
The corrosion resistance of clear-water concrete is conducive to extend the service life of clear-water concrete；
2. being conducive to the toughness for enhancing clear-water concrete mixture, so that clear water coagulation by the way that rubber latex is added
Compression strength after earth forming improves, so that clear-water concrete after molding is not easily susceptible to cracking；
3. it is compatible with the other components in clear-water concrete to be conducive to enhancing rubber latex by the way that silane coupling agent is added
Property, so that rubber latex is preferably dispersed in concrete mix, is conducive to rubber latex and plays a role；
4. the silanol polarity that silane coupling agent hydrolyzes to form is extremely strong, hydrogen bond easy to form, the hydroxyl on different silanols is easy
Mutual dehydrating condensation, the hydroxyl on silanol are also easy to that dehydrating condensation occurs with the silicone hydroxyl on portland cement surface simultaneously, so that
Portland cement is bound up with silane coupling agent, and silane coupling agent is coupled with rubber latex simultaneously, to be conducive to point
The extension of subchain, is conducive to the formation of cross-linked network, to be conducive to improve the compression strength of clear-water concrete, so that clear water is mixed
It is not easily susceptible to cracking after solidifying earth forming, while being conducive to improve the consistency of clear-water concrete mixture, so that in clear-water concrete
Each component is easier to mix and be uniformly dispersed, and reduces clear-water concrete and occurs showing for bleeding or isolation during being stirred
As.
Specific embodiment
With reference to embodiments, invention is further described in detail.
In following embodiment, portland cement uses the Wa stone P.O42.5 portland cement of Wuhan Yangluo cement plant production.
In following embodiment, sand uses the middle sand of Lingshou County Sheng Fei mineral products processing factory.
In following embodiment, rubble that the article No. of the Shijiazhuang Shi Caiyong Yuan Jiang Mineral Products Trade Co., Ltd is 001.
In following embodiment, water-reducing agent is subtracted using the put forth energy model HPWR model Q8011 of building materials Co., Ltd of Shaanxi
Aqua.
In following embodiment, carbon fiber uses the granularity of Hangzhou high-tech composite material Co., Ltd for the carbon fiber of 600 mesh
Powder.
In following embodiment, silane coupling agent uses the silicon of the model 174 of Dongguan City Ding Hai plastic cement Chemical Co., Ltd.
Alkane coupling agent kh-570.
In following embodiment, rubber latex uses the trade mark of Zhengzhou Xin Ke chemical products Co., Ltd for the rubber of SW-02
Lotion.
In following embodiment, ceramic powder uses the article No. of Lingshou County Yan Cheng mineral products processing factory to be for the granularity of 256-9
The ceramic powder of 1200 mesh.
In following embodiment, toughener uses sky male article No. up to Science and Technology Ltd. in Shenzhen's for the toughener of 1D.
In following embodiment, defoaming agent steps figure L-580 silicone oil using the model of Jining Hua Kai resin Co., Ltd.
In following embodiment, air entraining agent uses the AH series air entraining agent of the model AE of the fragrant maritime business's trade in Nanjing Co., Ltd.
Embodiment 1
A kind of clear-water concrete, the component including following mass fraction:
Water 7.5kg；Portland cement 15kg；Middle sand 45kg；Rubble 60kg；Water-reducing agent 0.75kg；Carbon fiber 3kg；Rubber
Lotion 10.5kg；Silane coupling agent 3.75kg.
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, portland cement 15kg is added, is carried out with the revolving speed of 200r/min
Stirring；
(2) water 7.5kg, water-reducing agent 0.75kg, carbon fiber 3kg, rubber latex 10.5kg, silane coupled is added while stirring
Agent 3.75kg obtains pre-composition after mixing evenly；
(3) in sandstone blender, under normal temperature condition, sand 45kg, rubble 60kg in addition, with the revolving speed of 200r/min into
Row stirring, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Embodiment 2
A kind of clear-water concrete, the component including following mass fraction:
Water 8.75kg；Portland cement 17.5kg；Middle sand 52.5kg；Rubble 70kg；Water-reducing agent 0.87kg；Carbon fiber
3.5kg；Rubber latex 12.25kg；Silane coupling agent 4.38kg.
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, be added portland cement 17.5kg, with the revolving speed of 200r/min into
Row stirring；
(2) water 8.75kg, water-reducing agent 0.87kg, carbon fiber 3.5kg, rubber latex 12.25kg, silane are added while stirring
Coupling agent 4.38kg obtains pre-composition after mixing evenly；
(3) in sandstone blender, under normal temperature condition, sand 52.5kg, rubble 70kg in addition, with the revolving speed of 200r/min
It is stirred, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Embodiment 3
A kind of clear-water concrete, the component including following mass fraction:
Water 10kg；Portland cement 20kg；Middle sand 60kg；Rubble 80kg；Water-reducing agent 1kg；Carbon fiber 4kg；Rubber latex
14kg；Silane coupling agent 5kg.
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, portland cement 20kg is added, is carried out with the revolving speed of 200r/min
Stirring；
(2) water 10kg, water-reducing agent 1kg, carbon fiber 4kg, rubber latex 14kg, silane coupling agent 5kg are added while stirring,
After mixing evenly, pre-composition is obtained；
(3) in sandstone blender, under normal temperature condition, sand 60kg, rubble 80kg in addition, with the revolving speed of 200r/min into
Row stirring, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Embodiment 4
A kind of clear-water concrete, the component including following mass fraction:
Water 8.75kg；Portland cement 17.5kg；Middle sand 52.5kg；Rubble 70kg；Water-reducing agent 0.87kg；Carbon fiber
3.5kg；Rubber latex 12.25kg；Silane coupling agent 4.38kg；Ceramic powder 1.5kg；Toughener 1.5kg；Defoaming agent 0.75kg；
Air entraining agent 0.75kg.
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, be added portland cement 17.5kg, with the revolving speed of 200r/min into
Row stirring；
(2) water 8.75kg, water-reducing agent 0.87kg, carbon fiber 3.5kg, rubber latex 12.25kg, silane are added while stirring
Coupling agent 4.38kg, ceramic powder 1.5kg, toughener 1.5kg, defoaming agent 0.75kg, air entraining agent 0.75kg are obtained after mixing evenly
To pre-composition；
(3) in sandstone blender, under normal temperature condition, sand 52.5kg, rubble 70kg in addition, with the revolving speed of 200r/min
It is stirred, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Embodiment 5
A kind of clear-water concrete, the component including following mass fraction:
Water 8.75kg；Portland cement 17.5kg；Middle sand 52.5kg；Rubble 70kg；Water-reducing agent 0.87kg；Carbon fiber
3.5kg；Rubber latex 12.25kg；Silane coupling agent 4.38kg；Ceramic powder 1.75kg；Toughener 1.75kg；Defoaming agent
0.87kg；Air entraining agent 0.87kg.
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, be added portland cement 17.5kg, with the revolving speed of 200r/min into
Row stirring；
(2) water 8.75kg, water-reducing agent 0.87kg, carbon fiber 3.5kg, rubber latex 12.25kg, silane are added while stirring
Coupling agent 4.38kg, ceramic powder 1.75kg, toughener 1.75kg, defoaming agent 0.87kg, air entraining agent 0.87kg, after mixing evenly,
Obtain pre-composition；
(3) in sandstone blender, under normal temperature condition, sand 52.5kg, rubble 70kg in addition, with the revolving speed of 200r/min
It is stirred, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Embodiment 6
A kind of clear-water concrete, the component including following mass fraction:
Water 8.75kg；Portland cement 17.5kg；Middle sand 52.5kg；Rubble 70kg；Water-reducing agent 0.87kg；Carbon fiber
3.5kg；Rubber latex 12.25kg；Silane coupling agent 4.38kg；Ceramic powder 2kg；Toughener 2kg；Defoaming agent 1kg；Air entraining agent
1kg。
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, be added portland cement 17.5kg, with the revolving speed of 200r/min into
Row stirring；
(2) water 8.75kg, water-reducing agent 0.87kg, carbon fiber 3.5kg, rubber latex 12.25kg, silane are added while stirring
Coupling agent 4.38kg, ceramic powder 2kg, toughener 2kg, defoaming agent 1kg, air entraining agent 1kg obtain pre-composition after mixing evenly；
(3) in sandstone blender, under normal temperature condition, sand 52.5kg, rubble 70kg in addition, with the revolving speed of 200r/min
It is stirred, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Comparative example 1
A kind of clear-water concrete, the component including following mass fraction:
Water 8.75kg；Portland cement 17.5kg；Middle sand 52.5kg；Rubble 70kg；Water-reducing agent 0.87kg.
Clear-water concrete the preparation method is as follows:
(1) in cement mixer, under normal temperature condition, be added portland cement 17.5kg, with the revolving speed of 200r/min into
Row stirring；
(2) water 8.75kg is added while stirring, water-reducing agent 0.87kg obtains pre-composition after mixing evenly；
(3) in sandstone blender, under normal temperature condition, sand 52.5kg, rubble 70kg in addition, with the revolving speed of 200r/min
It is stirred, obtains aggregate after mixing evenly；
(4) in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 200r/min into
Row stirring；
(5) the brushing release agent on mold, then the clear-water concrete stirred evenly is charged into mould；
(6) it holds vibrating head to vibrate the clear-water concrete in mold, while making the surfacing of clear-water concrete；
(7) molding clear-water concrete is formed after conserving, then by mould release to get the clear water coagulation of pouring molding
Soil.
Each embodiment and the detection data of comparative example are shown in Table 1-2.
Experiment 1
According to the sulfur resistive in GB/T50082-2009 " Standard for test methods of longterm performance and durability of ordinary concrete standard "
The sulfate resistance grade of hydrochlorate erosion test detection clear-water concrete.
Experiment 2
The 28d of clear-water concrete is detected according to GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete "
Compression strength (MPa)
Table 1
| Comparative example 1 | |
| Sulfate resistance grade | KS60 |
| 28d compression strength | 8.9 |
Table 2
It can be obtained according to embodiment 1-3 in table 1 and table 2 and the data comparison of comparative example 1, by the way that carbon fiber is added, favorably
In the corrosion resistance for improving clear-water concrete, so that clear-water concrete is not easy that it is mixed to be conducive to raising clear water by rain erosion
The sulfate resistance grade for coagulating soil, so that the service life of clear-water concrete extends；By the way that rubber latex is added, it is clear to be conducive to enhancing
The 28d compression strength of water coagulation soil, so that being not easily susceptible to cracking after fair-faced concrete molding；By the way that silane coupling agent is added, favorably
Compatibility between enhancing rubber latex and clear-water concrete, is conducive to rubber latex and is uniformly dispersed in clear-water concrete,
Simultaneously as the silanol polarity that silane coupling agent hydrolyzes to form is extremely strong, hydrogen bond easy to form, the hydroxyl on different silanols is easy mutual
Phase dehydration is condensed, and the hydroxyl on silanol is also easy to the silicone hydroxyl dehydrating condensation with portland cement surface, to be conducive to molecule
The extension of chain is conducive to the formation of cross-linked network, so that the 28d compression strength of clear-water concrete enhances, so that clear water is mixed
It is not easily susceptible to cracking after solidifying earth forming, is conducive to extend the service life of clear-water concrete.
It can be obtained according to the data comparison of embodiment 1-3 in table 2 and embodiment 4-6, by the way that ceramic powder and toughener is added,
The toughness of clear-water concrete can be improved to a certain extent, so that the 28d compression strength of clear-water concrete enhances, so that clear water is mixed
The formed body for coagulating soil is not easily susceptible to cracking；By the way that air entraining agent is added, the corrosion resistance of clear-water concrete can be improved to a certain extent
Can, so that the sulfate resistance grade of clear-water concrete improves.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of clear-water concrete, it is characterized in that: including the component of following mass fraction:
7.5-10 parts of water；
15-20 parts of portland cement；
45-60 parts of sand；
60-80 parts of stone；
0.75-1 parts of water-reducing agent；
3-4 parts of carbon fiber；
10.5-14 parts of rubber latex；
3.75-5 parts of silane coupling agent.
2. clear-water concrete according to claim 1, it is characterized in that: further including the component of following mass fraction:
1.5-2 parts of ceramic powder.
3. clear-water concrete according to claim 2, it is characterized in that: the granularity of the ceramic powder is 1000-1500 mesh.
4. clear-water concrete according to claim 1 to 3, it is characterized in that: further including the component of following mass fraction:
1.5-2 parts of toughener.
5. clear-water concrete according to claim 1 to 3, it is characterized in that: further including the component of following mass fraction:
0.75-1 parts of defoaming agent.
6. clear-water concrete according to claim 5, it is characterized in that: the defoaming agent is silicone oil.
7. clear-water concrete according to claim 1 to 3, it is characterized in that: further including the component of following mass fraction:
0.75-1 parts of air entraining agent.
8. clear-water concrete according to claim 7, it is characterized in that: the air entraining agent is AH series air entraining agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459352.8A CN109503071A (en) | 2018-11-30 | 2018-11-30 | Clear-water concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN113354370A (en) * | 2021-07-29 | 2021-09-07 | 光明铁道控股有限公司 | Preparation method of concrete based on anti-corrosion reinforced fibers |
| CN114149193A (en) * | 2021-10-29 | 2022-03-08 | 四川华西绿舍建材有限公司 | Method for controlling water marks and color differences on surface of fair-faced concrete and obtained fair-faced concrete |
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| CN114149193A (en) * | 2021-10-29 | 2022-03-08 | 四川华西绿舍建材有限公司 | Method for controlling water marks and color differences on surface of fair-faced concrete and obtained fair-faced concrete |
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