CN110105024A - Normal concrete - Google Patents
Normal concrete Download PDFInfo
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- CN110105024A CN110105024A CN201910512223.9A CN201910512223A CN110105024A CN 110105024 A CN110105024 A CN 110105024A CN 201910512223 A CN201910512223 A CN 201910512223A CN 110105024 A CN110105024 A CN 110105024A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
-
- 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
- C04B2111/2092—Resistance against biological degradation
-
- 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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- Chemical & Material Sciences (AREA)
- 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 concrete fields to provide a kind of normal concrete aiming at the problem that normal concrete is easy to appear excreting water phenomenon during mixing, the component including following mass fraction: 13-17 parts of water;18-22 parts of portland cement;10-15 parts of agstone;100-105 parts of stone;80-85 parts of sand;0.5-1 parts of fumed silica;1-1.5 parts of gelatin;2-2.5 parts of water-reducing agent.By the way that fumed silica, water-reducing agent and gelatin is added, be conducive to improve the consistency of normal concrete, so that sand and stone are not easy excreting water phenomenon occur during the mixing of normal concrete, be conducive to improve the density uniformity for preparing resulting normal concrete, so that the compression strength of normal concrete is stronger.
Description
Technical field
The present invention relates to concrete fields, more specifically, it relates to a kind of normal concrete.
Background technique
Normal concrete refers to using cement as major gelled material, with water, sand, stone, mixes chemical admixture when necessary
And mineral admixture, cooperate by proper proportion, by artificial stone made of uniform stirring, closely knit molding and maintenance hardening.
But since the density of the aggregates such as sand, stone for preparing normal concrete is larger, aggregates such as sand, stone and common
The density difference of other components in concrete is larger, so that normal concrete is during mixing it is possible that aggregate
, there is excreting water phenomenon, and then be easy to cause the Density inhomogeneity of normal concrete, so that commonly in the phenomenon that sinking, moisture float
The compression strength of concrete is easy to be affected, and therefore, still there is improved space.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of normal concrete, be conducive to
Sand, stone are uniformly distributed in the advantage in normal concrete during mixing.
To achieve the above object, the present invention provides the following technical scheme that
A kind of normal concrete, the component including following mass fraction:
13-17 parts of water;
18-22 parts of portland cement;
10-15 parts of agstone;
100-105 parts of stone;
80-85 parts of sand;
0.5-1 parts of fumed silica;
1-1.5 parts of gelatin;
2-2.5 parts of water-reducing agent.
By adopting the above technical scheme, by addition water-reducing agent and gelatin, be conducive to the consistency for improving normal concrete, from
And be conducive to improve portland cement to the adhesive strength of sand and stone, so that the mixing of sand and stone in normal concrete
It is not easy excreting water phenomenon occur in the process, so that sand, stone are not easy to precipitate during the mixing of normal concrete, and then advantageous
In improving the density uniformity for preparing resulting normal concrete, so that the compression strength of normal concrete is stronger;Pass through addition
Fumed silica, fumed silica are a kind of good thixotropic agent, so that normal concrete has thixotropy, in turn
Be conducive to increase normal concrete stand when consistency while be conducive to reduce normal concrete it is thick in whipping process
Degree so that sand, stone is made to be not easy to precipitate while normal concrete is easier to be stirred, and then is conducive to improve common
The density uniformity of concrete, so that the compression strength of normal concrete is stronger;Meanwhile fumed silica has porosity,
Non-toxic and tasteless pollution-free, high temperature resistant has the function of good reinforcement, uvioresistant and sterilization etc., to be conducive to improve general
The compression strength and corrosion resistance of logical concrete, are conducive to extend the service life of normal concrete.
The present invention is further arranged to: further include the component of following mass fraction:
1-2 parts of ethylene-vinyl acetate copolymer;
1-1.5 parts of casein;
0.3-0.5 parts of fatty alcohol polyoxyethylene ether.
By adopting the above technical scheme, by the way that casein is added, be conducive to the metal ion in casein and normal concrete
In conjunction with so that the metal ion in normal concrete is not easy to form hydrogen-oxygen in conjunction with the hydroxyl of hydrolyzed silicate generation
Compound, and then advantageously reduce hydroxide and be easy to be precipitated from normal concrete because of moisture evaporation and accumulation of salt in the surface soil phenomenon occur
Situation;Since the main component of agstone is calcium carbonate, the main component in portland cement is calcium silicates, so that junket
Albumen be easier with the calcium binding in agstone and portland cement, and then be conducive to intermolecular formation cross-linked network
Network so that the compression strength of normal concrete enhances, while is not easy calcium ion more in conjunction with hydroxyl to form hydrogen
Oxide, so that normal concrete is more not easy accumulation of salt in the surface soil phenomenon occur, in addition, portland cement is as normal concrete
Binder, all have splendid bonding effect with the other components in normal concrete, so be conducive to enhance casein with
The compatibility of other components in normal concrete is conducive to so that casein is easier to be dispersed in normal concrete
Improve the stability of normal concrete;Fatty alcohol polyoxyethylene ether has good permeability, by the way that ethene-vinyl acetate is added
Copolymer and fatty alcohol polyoxyethylene ether and the mutual coordinated of casein, fatty alcohol polyoxyethylene ether and casein and second
Alkene-acetate ethylene copolymer all has good compatibility, to be conducive to casein and fatty alcohol polyoxyethylene ether preferably
It is compatible, so that casein is easier to infiltrate into normal concrete with fatty alcohol polyoxyethylene ether, so that casein is general
Distribution is more uniform in logical concrete, and then is conducive to casein preferably in conjunction with the metal ion in normal concrete, makes
When obtaining moisture penetration to any position of normal concrete, casein can play a role, and then advantageously reduce common coagulation
There is the case where accumulation of salt in the surface soil phenomenon in soil;In addition, ethylene-vinyl acetate copolymer also helps enhancing portland cement and other components
Bonding force so that other components are easier to be dispersed in normal concrete, and then be conducive to improve normal concrete
Density uniformity so that the compression strength of normal concrete is stronger.
The present invention is further arranged to: the water-reducing agent is the horizontal sour calcium of lignin.
By adopting the above technical scheme, be conducive in the horizontal sour calcium of lignin by using the horizontal sour calcium of lignin as water-reducing agent
Calcium ion in conjunction with casein so that the compatibility of the horizontal sour calcium of lignin and casein is more preferable, so that the horizontal acid of lignin
Calcium is easier to be uniformly distributed in normal concrete together with casein, and then is conducive to the horizontal sour calcium of lignin and preferably plays it
Effect;Meanwhile so that the calcium ion in normal concrete be more not easy with hydrolyzed silicate generate hydroxyl be combined with each other,
And then it advantageously reduces normal concrete and the case where accumulation of salt in the surface soil phenomenon occurs.
The present invention is further arranged to: the vinyl acetate content of the ethylene-vinyl acetate copolymer is 70%.
It by adopting the above technical scheme, is 70% by controlling the vinyl acetate content of ethylene-vinyl acetate copolymer, favorably
In raising ethylene-vinyl acetate copolymer to the bonding force of other components, so that other components, especially sand and Shi Pu
It is not easy to precipitate during the mixing of logical concrete, and then advantageously reduces the bleeding rate of normal concrete, so that common coagulation
The density uniformity of soil improves, and then is conducive to enhance the compression strength of normal concrete, so that normal concrete is being pressed
It is not easily susceptible to cracking when power.
The present invention is further arranged to: further include the component of following mass fraction:
0.1-0.3 parts of rosin glycerides.
By adopting the above technical scheme, by the way that rosin glycerides are added, be conducive to improve portland cement to other components
Adhesive strength, and then be conducive to each component in normal concrete and be dispersed in normal concrete, and then be conducive to improve
The even density of normal concrete, so that the compression strength of normal concrete is stronger;Meanwhile the main component of rosin glycerides is
Abietic acid glyceryl ester, there are also a small amount of two glyceride of abietic acid and monoglyceride, abietic acid glyceryl ester, two glyceride of abietic acid and lists
The strand of glyceride is the long chain alkane containing ester group, and ester group and long chain alkane are hydrophobic group, to be conducive to increase
The waterproofness of strong normal concrete, so that moisture is not easy to infiltrate into the inside of normal concrete, so that in normal concrete
Silicate is not easy to be hydrolyzed into hydroxyl, and then advantageously reduces the appearance of accumulation of salt in the surface soil phenomenon.
The present invention is further arranged to: further include the component of following mass fraction:
0.5-1 parts of acrylic emulsion.
By adopting the above technical scheme, by the way that acrylic emulsion is added, be conducive to the same of the adhesivity for improving normal concrete
When be conducive to improve normal concrete waterproof performance, thus be conducive to enhance portland cement it is strong to the bonding of other components
Degree, so that other components are more not easy excreting water phenomenon occur during the mixing of normal concrete, and then is conducive to improve
The density uniformity of normal concrete, so that the compression strength of normal concrete enhances;Meanwhile so that moisture be not easily penetrated into
In normal concrete, so that the silicate in normal concrete is not easy to be hydrolyzed into hydroxyl, and then advantageously reduce general
The appearance of alkali phenomenon.
The present invention is further arranged to: further include the component of following mass fraction:
0.5-1 parts of coconut shell powder.
By adopting the above technical scheme, by addition coconut shell powder, be conducive to the compression strength for enhancing normal concrete, so that
It is not easily susceptible to cracking when normal concrete is under pressure.
The present invention is further arranged to: further include the component of following mass fraction:
0.1-0.3 parts of vaseline.
By adopting the above technical scheme, by the way that vaseline is added, be conducive to vaseline on the surface of normal concrete and form one
Layer waterproof membrane, since vaseline has certain waterproof performance, thus be conducive to improve the waterproof performance on normal concrete surface,
So that moisture is not easily penetrated into normal concrete, so that the silicate in normal concrete is not easy to be hydrolyzed into hydrogen-oxygen
Root advantageously reduces normal concrete and the case where accumulation of salt in the surface soil phenomenon occurs.
In conclusion the invention has the following advantages:
1. being conducive to the consistency for improving normal concrete, so that sand and Shi Pu by the way that water-reducing agent and gelatin is added
Be not easy excreting water phenomenon occur during the mixing of logical concrete, be conducive to improve prepare resulting normal concrete density it is equal
Evenness, so that the compression strength of normal concrete is stronger;
2., so that normal concrete has thixotropy, being conducive to increase normal concrete by the way that fumed silica is added
Be conducive to reduce consistency of the normal concrete in whipping process while consistency when standing, so that normal concrete more holds
Make sand, stone be not easy to precipitate while being easily stirred, be conducive to the density uniformity for improving normal concrete, so that common mixed
The compression strength for coagulating soil is stronger;
3. fumed silica has porosity, non-toxic and tasteless pollution-free, high temperature resistant has good reinforcement, uvioresistant
The functions such as line and sterilization are conducive to extend to be conducive to improve the compression strength and corrosion resistance of normal concrete
The service life of normal concrete;
4. being conducive to casein in conjunction with the metal ion in normal concrete, so that general by the way that casein is added
Metal ion in logical concrete is not easy to form hydroxide in conjunction with the hydroxyl that hydrolyzed silicate generates, and then is conducive to
Reduction hydroxide is easy to be precipitated from normal concrete because of moisture evaporation and the case where accumulation of salt in the surface soil phenomenon occurs;
5. since the main component of agstone is calcium carbonate, the main component in portland cement is calcium silicates, thus
So that casein be easier with the calcium binding in agstone and portland cement, and then be conducive to intermolecular is formationed friendship
Networking network, so that the compression strength of normal concrete enhances.
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, slag powders use the article No. of Lingshou County Zhen Ying mineral products processing factory for 6-9444 model s95
Slag micropowder.
In following embodiment, flyash flies the flyash of Chemical Co., Ltd. using long Xinghua.
In following embodiment, agstone uses the granularity of Shi Bang industrial technology Group Plc for 325 purposes
Agstone.
In following embodiment, sand uses the Mo Laisha of Lingshou County Bo Sheng mineral products processing factory.
In following embodiment, the basalt of Shi Caiyong Zhangpu County Hong Sheng stone material Co., Ltd.
In following embodiment, fumed silica uses the gas phase of the model HN-200 of Jiangsu Hao Neng Chemical Co., Ltd.
Silica.
In following embodiment, gelatin use Zhengzhou ten thousand fight chemical products Co., Ltd article No. for 8957 gelatin.
In following embodiment, water-reducing agent uses the lignin of the model X-N-1 of Langfang Chen Kun chemical building material Co., Ltd
Horizontal acid calcium.
In following embodiment, ethylene-vinyl acetate copolymer is the second Warburg Pincus 700HV that vinyl acetate content is 70%.
In following embodiment, casein uses the casein of Shandong De Jia Biotechnology Co., Ltd.
In following embodiment, fatty alcohol polyoxyethylene ether uses the model AEO-9 of Nantong MICHAEL DRAKE Chemical Co., Ltd.
Fatty alcohol polyoxyethylene ether.
In following embodiment, rosin glycerides use the rosin glycerides of the more Biotechnology Co., Ltd in Hebei Cologne.
In following embodiment, acrylic emulsion use the trade mark of Yu Yan Chemical Co., Ltd. for 707 acrylic emulsion.
In following embodiment, coconut shell powder uses the article No. of Henan Co., Ltd, coconut palm America and Japan for the cocoanut shell of YM-098
Powder.
In following embodiment, vaseline use the article No. of Shandong Tian Feng Chemical Industry Science Co., Ltd for 001 vaseline.
Embodiment 1
A kind of normal concrete, the component including following mass fraction:
Water 13kg;Portland cement 22kg;Slag powders 30.5kg;Flyash 56kg;Agstone 13kg;Stone 100kg;Sand
83kg;Fumed silica 0.8kg;Gelatin 1.3kg;Water-reducing agent 2.5kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 22kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 13kg, fumed silica 0.8kg, gelatin 1.3kg, water-reducing agent 2.5kg are added while stirring, stirring is mixed
After closing uniformly, pre-composition is formed;
S3, in sandstone blender, under normal temperature condition, be added slag powders 30.5kg, flyash 56kg, agstone
13kg, stone 100kg, sand 83kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 2
A kind of normal concrete, the component including following mass fraction:
Water 15kg;Portland cement 20kg;Slag powders 28kg;Flyash 54.5kg;Agstone 10kg;Stone 105kg;Sand
85kg;Fumed silica 1kg;Gelatin 1.5kg;Water-reducing agent 2.3kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 20kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 15kg, fumed silica 1kg, gelatin 1.5kg, water-reducing agent 2.3kg are added while stirring, are stirred
After uniformly, pre-composition is formed;
S3, in sandstone blender, under normal temperature condition, be added slag powders 28kg, flyash 54.5kg, agstone
10kg, stone 105kg, sand 85kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 3
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg are added while stirring, are stirred
After even, pre-composition is formed;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 4
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 1kg;Casein 1.5kg;
Fatty alcohol polyoxyethylene ether 0.3kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 1kg, casein 1.5kg, fatty alcohol polyoxyethylene ether 0.3kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 5
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 2kg;Casein 1kg;Rouge
Fat alcohol polyoxyethylene ether 0.5kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 2kg, casein 1kg, fatty alcohol polyoxyethylene ether 0.5kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 6
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Casein 1.5kg;Fatty alcohol polyoxyethylene ether 0.3kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, casein are added while stirring
1.5kg, fatty alcohol polyoxyethylene ether 0.3kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 7
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 1kg;Fatty alcohol polyoxy second
Alkene ether 0.3kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 1kg, fatty alcohol polyoxyethylene ether 0.3kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 8
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 1kg;Casein 1.5kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 1kg, casein 1.5kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 9
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 1kg;Casein 1.5kg;
Fatty alcohol polyoxyethylene ether 0.4kg;Rosin glycerides 0.1kg;Acrylic emulsion 1kg;Coconut shell powder 0.8kg;Vaseline
0.3kg。
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 1kg, casein 1.5kg, fatty alcohol polyoxyethylene ether 0.4kg, rosin glycerides 0.1kg, acrylic emulsion 1kg,
Coconut shell powder 0.8kg, vaseline 0.3kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 10
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 1.5kg;Casein 1kg;
Fatty alcohol polyoxyethylene ether 0.5kg;Rosin glycerides 0.2kg;Acrylic emulsion 0.5kg;Coconut shell powder 1kg;Vaseline
0.2kg。
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 1.5kg, casein 1kg, fatty alcohol polyoxyethylene ether 0.5kg, rosin glycerides 0.2kg, acrylic emulsion
0.5kg, coconut shell powder 1kg, vaseline 0.2kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Embodiment 11
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg;Water-reducing agent 2kg;Ethylene-vinyl acetate copolymer 2kg;Casein 1.3kg;
Fatty alcohol polyoxyethylene ether 0.3kg;Rosin glycerides 0.3kg;Acrylic emulsion 0.8kg;Coconut shell powder 0.5kg;Vaseline
0.1kg。
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg, water-reducing agent 2kg, ethyl vinyl acetate second are added while stirring
Alkene copolymer 2kg, casein 1.3kg, fatty alcohol polyoxyethylene ether 0.3kg, rosin glycerides 0.3kg, acrylic emulsion
0.8kg, coconut shell powder 0.5kg, vaseline 0.1kg after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Comparative example 1
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg。
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg is added while stirring, after being uniformly mixed, forms pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Comparative example 2
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Gelatin 1kg;Water-reducing agent 2kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, gelatin 1kg, water-reducing agent 2kg are added while stirring, after being uniformly mixed, form pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Comparative example 3
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Water-reducing agent 2kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, water-reducing agent 2kg are added while stirring, after being uniformly mixed, are formed
Pre-composition;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Comparative example 4
A kind of normal concrete, the component including following mass fraction:
Water 17kg;Portland cement 18kg;Slag powders 33kg;Flyash 53kg;Agstone 15kg;Stone 103kg;Sand
80kg;Fumed silica 0.5kg;Gelatin 1kg.
Normal concrete the preparation method is as follows:
S1, in cement mixer, under normal temperature condition, portland cement 18kg is added, is carried out with the revolving speed of 120r/min
Stirring;
S2, water 17kg, fumed silica 0.5kg, gelatin 1kg are added while stirring, after being uniformly mixed, are formed pre-
Mixed object;
S3, in sandstone blender, under normal temperature condition, be added slag powders 33kg, flyash 53kg, agstone 15kg,
Stone 103kg, sand 80kg, are stirred with the revolving speed of 150r/min, obtain aggregate after mixing evenly;
S4, in concrete mixer, under normal temperature condition, pre-composition and aggregate is added, with the revolving speed of 150r/min into
Row stirring, paves rapidly after mixing evenly to construction surface, forms molding normal concrete after conserving.
Experiment 1
The 28d of normal concrete is detected according to GB/T50081-2002 " standard for test methods of mechanical properties of ordinary concrete "
Compression strength (MPa).
Experiment 2
According to the bleeding testing inspection in GB/T50080-2002 " Standard for test methods of properties of ordinary concrete mixture standard "
The bleeding rate (%) of normal concrete.
Experiment 3
Above embodiments and comparative example are prepared resulting normal concrete to pour into the template of 3cm*3cm*5cm,
And the square brick of 3cm*3cm*5cm is formed through conserving, then square brick is placed in container, tap water is added in a reservoir, so that originally
The liquid level of water impregnates square brick just, so that liquid level is exposed on the surface that square brick is placed in top, observes and records and accumulation of salt in the surface soil phenomenon occurs
Time (day).
The detection data tested above is shown in Table 1.
Table 1
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and comparative example 1-4, gas phase dioxy is all made of in embodiment 1-3
SiClx, gelatin, water-reducing agent cooperate jointly to prepare normal concrete, and fumed silica is not added in comparative example 1, gelatin, subtracts
Any component in aqua has lacked component gas phase silica in comparative example 2, component gelatin has been lacked in comparative example 3, has been compared
Lacking component water-reducing agent in example 4, the 28d compression strength of embodiment 1-3 is above comparative example 1-4, and comparative example 2-4
28d compression strength is above comparative example 1, meanwhile, the bleeding rate of embodiment 1-3 is below comparative example 1-4, and comparative example 2-
4 bleeding rate is below comparative example 1, illustrates by the way that fumed silica, gelatin and the mutual coordinated of water-reducing agent is added,
Be conducive to that the consistency of normal concrete is adjusted, so that consistency when normal concrete is stood makes commonly while increase
Consistency of the concrete in whipping process increases, to be conducive to make common coagulation while the stirring preparation of normal concrete
Other components in soil are not easy to precipitate after agitation, so that normal concrete is not easy bleeding occur in whipping process
Phenomenon, and then be conducive to improve the density uniformity of normal concrete, so that the compression strength of normal concrete is stronger;In addition,
Illustrate only when fumed silica, gelatin and water-reducing agent, which are worked in coordination, to act synergistically, it could be preferably to common coagulation
The consistency of soil is adjusted, to be conducive to enhance portland cement to the bonding force of other components, so that normal concrete exists
More it is not easy excreting water phenomenon occur in whipping process, has lacked any component, is easy to cause the consistency of normal concrete
It influences, so that the density uniformity to normal concrete has an impact, and then the compression strength of normal concrete is impacted.
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and embodiment 4-5, embodiment 4-5 is more newly-increased than embodiment 1-3
Component ethylene-vinyl acetate copolymer, casein and fatty alcohol polyoxyethylene ether, and the 28d compression strength of embodiment 4-5
It is above embodiment 1-3, meanwhile, the bleeding rate of embodiment 4-5 is below embodiment 1-3, and when the accumulation of salt in the surface soil of embodiment 4-5
Between be longer than embodiment 1-3, illustrate by be added ethylene-vinyl acetate copolymer, be conducive to enhance portland cement to it
The bonding force of his component so that other components are more easier to be dispersed in normal concrete, and then is conducive to improve
The density uniformity of normal concrete, so that the bleeding rate of normal concrete makes the pressure resistance of normal concrete while reduction
It spends stronger;Illustrate to be conducive to junket egg by the way that ethylene-vinyl acetate copolymer, casein and fatty alcohol polyoxyethylene ether is added
In conjunction with the white metal ion in normal concrete, so that metal ion is not easy the hydroxyl formed with hydrolyzed silicate
Hydroxide is generated, and then advantageously reduces normal concrete and the case where accumulation of salt in the surface soil phenomenon occurs, so that the accumulation of salt in the surface soil of normal concrete
Time extends, meanwhile, through casein in conjunction with the metal ion in normal concrete, be conducive to the connecting forces for enhancing molecule,
Be conducive to intermolecular formation reticular structure, thus be conducive to enhance normal concrete compression strength so that normal concrete by
It is not easily susceptible to cracking when to pressure;It is mutual by the way that ethylene-vinyl acetate copolymer and fatty alcohol polyoxyethylene ether and casein is added
It matches, is conducive to the compatibility for improving casein and fatty alcohol polyoxy ether, meanwhile, be conducive to the infiltration for improving casein
Property, so that casein is easier to infiltrate into inside normal concrete, so that being conducive to casein is uniformly distributed in normal concrete
In, so that normal concrete is more not easy accumulation of salt in the surface soil phenomenon occur, so that the accumulation of salt in the surface soil time of normal concrete extends.
It can be obtained according to the data comparison of embodiment 4-5 in table 1 and embodiment 6-8, ethylene-vinegar is all made of in embodiment 4-5
The common cooperation of sour ethylene copolymer, casein and fatty alcohol polyoxyethylene ether is lacked in embodiment 6 with preparing normal concrete
Component ethylene-vinyl acetate copolymer is lacked, component casein has been lacked in embodiment 7, component fat has been lacked in embodiment 8
Alcohol polyoxyethylene ether, and the 28d compression strength of embodiment 6-8 is below embodiment 4-5, meanwhile, the bleeding rate of embodiment 6-8
It is above embodiment 4-5, and the accumulation of salt in the surface soil time of embodiment 6-8 is shorter than embodiment 4-5, illustrates only to work as ethyl vinyl acetate
When ethylene copolymer, casein and the common coordinated of fatty alcohol polyoxyethylene ether, it could preferably rise and improve foam coagulation
Anti- accumulation of salt in the surface soil performance, compression strength performance and the effect for reducing bleeding rate of soil, having lacked any component can be to foam coagulation
Anti- accumulation of salt in the surface soil performance, compression strength performance and the bleeding performance of soil impact.
It can be obtained according to the data comparison of embodiment 1-3 in table 1 and embodiment 6-8, embodiment 6 is more newly-increased than embodiment 1-3
Component casein and fatty alcohol polyoxyethylene ether, embodiment 7 have increased component ethylene-vinyl acetate copolymer newly than embodiment 1-3
With and fatty alcohol polyoxyethylene ether, embodiment 8 increased component ethylene-vinyl acetate copolymer and fatty alcohol newly than embodiment 1-3
Polyoxyethylene ether, and the 28d compression strength of embodiment 7 and embodiment 1-3 and accumulation of salt in the surface soil time are close, embodiment 6 and reality
The 28d compression strength of example 8 is applied higher than embodiment 1-3, and the accumulation of salt in the surface soil time of embodiment 6 and embodiment 8 is also above embodiment
1-3's, and component casein is not contained in embodiment 7, component casein is contained in embodiment 6 and embodiment 8, is illustrated logical
Addition casein is crossed, is conducive to casein in conjunction with the metal ion in normal concrete, to be conducive to intermolecular mutual
Crosslinking makes the metal ion in normal concrete be not easy the hydrogen-oxygen formed with hydrolyzed silicate to form reticular structure
Root forms hydroxide, and then is conducive to be conducive to extend normal concrete while enhancing the compression strength of normal concrete
The accumulation of salt in the surface soil time.
It can be obtained according to the data comparison of embodiment 4-5 in table 1 and embodiment 9-11, embodiment 9-11 is newer than embodiment 4-5
Component rosin glycerides, acrylic emulsion, coconut shell powder and vaseline are increased, it is common mixed to be conducive to enhancing to a certain extent
The solidifying native bonding force to other components, so that other components are easier to be dispersed in normal concrete, to be conducive to mention
The density uniformity of high normal concrete, so advantageously reduce the bleeding rate of normal concrete while be conducive to improve it is common
The compression strength of concrete;Meanwhile also being conducive to improve the waterproof performance of normal concrete to a certain extent, so that moisture is not
It is readily permeable in normal concrete so that the silicate in normal concrete is not easy to be hydrolyzed into hydroxyl, Jin Eryou
There is the case where accumulation of salt in the surface soil phenomenon conducive to normal concrete is reduced.
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 normal concrete, it is characterized in that: including the component of following mass fraction:
13-17 parts of water;
18-22 parts of portland cement;
10-15 parts of agstone;
100-105 parts of stone;
80-85 parts of sand;
0.5-1 parts of fumed silica;
1-1.5 parts of gelatin;
2-2.5 parts of water-reducing agent.
2. normal concrete according to claim 1, it is characterized in that: further including the component of following mass fraction:
1-2 parts of ethylene-vinyl acetate copolymer;
1-1.5 parts of casein;
0.3-0.5 parts of fatty alcohol polyoxyethylene ether.
3. normal concrete according to claim 2, it is characterized in that: the water-reducing agent is the horizontal sour calcium of lignin.
4. normal concrete according to claim 2, it is characterized in that: the acetic acid second of the ethylene-vinyl acetate copolymer
Alkene content is 70%.
5. normal concrete according to claim 1 to 2, it is characterized in that: further including the component of following mass fraction:
0.1-0.3 parts of rosin glycerides.
6. normal concrete according to claim 1 to 2, it is characterized in that: further including the component of following mass fraction:
0.5-1 parts of acrylic emulsion.
7. normal concrete according to claim 1 to 2, it is characterized in that: further including the component of following mass fraction:
0.5-1 parts of coconut shell powder.
8. normal concrete according to claim 1 to 2, it is characterized in that: further including the component of following mass fraction:
0.1-0.3 parts of vaseline.
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CN201910512223.9A CN110105024A (en) | 2019-06-13 | 2019-06-13 | Normal concrete |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112358262A (en) * | 2020-12-03 | 2021-02-12 | 广东博智林机器人有限公司 | Anti-efflorescence concrete and preparation method thereof |
CN112456913A (en) * | 2020-12-08 | 2021-03-09 | 成都精准混凝土有限公司 | Biocompatible concrete and preparation method and application thereof |
-
2019
- 2019-06-13 CN CN201910512223.9A patent/CN110105024A/en not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112358262A (en) * | 2020-12-03 | 2021-02-12 | 广东博智林机器人有限公司 | Anti-efflorescence concrete and preparation method thereof |
CN112456913A (en) * | 2020-12-08 | 2021-03-09 | 成都精准混凝土有限公司 | Biocompatible concrete and preparation method and application thereof |
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