CN108083726A - A kind of concrete for being suitable for tropical desert megathermal climate condition - Google Patents
A kind of concrete for being suitable for tropical desert megathermal climate condition Download PDFInfo
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- CN108083726A CN108083726A CN201711368130.0A CN201711368130A CN108083726A CN 108083726 A CN108083726 A CN 108083726A CN 201711368130 A CN201711368130 A CN 201711368130A CN 108083726 A CN108083726 A CN 108083726A
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0068—Ingredients with a function or property not provided for elsewhere in C04B2103/00
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
-
- 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
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00293—Materials impermeable to liquids
-
- 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)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of concrete for being suitable for tropical desert megathermal climate condition, the concrete includes following components by weight：125 135 parts of Portland cement, 250 300 parts of granulated blast-furnace slag, 20 25 parts of silica flour, 1,000 1400 parts of gabbro, net 750 820 parts of sand, 4 8.6 parts of water-reducing agent, 35 parts of impervious agent, 130 160 parts of water.By reducing the heat of hydration and improving concrete strength, ensure concrete pouring quality；And extend the concrete initial set time, improve concrete workability, enhancing construction operability.By the selection of concrete raw material, the design of match ratio makes concrete be greatly improved in terms of workability, impervious and intensity.In order to preferably facilitate construction, the continuous summary during concrete use, and optimised coagulation soil match ratio, it is allowed to the concrete pouring construction being more suitable under tropical desert megathermal climate.
Description
Technical field
The present invention relates to building material field, more particularly to a kind of coagulation for being suitable for tropical desert megathermal climate condition
Soil.
Background technology
With the progress of modern science and technology and the continuous improvement of production level, the use environment and condition of concrete structure are carried
More more strict requirements and standard are gone out.On the one hand, increase concrete engineering construction difficulty, maintenance difficult increases, separately
On the one hand, it is desirable that concrete must reach high service life under rugged environment, to the satisfaction of above-mentioned condition not only needs
Make concrete that there is good workability, more there is good durability.In the high level development of modern concrete technology
On the premise of engineer application overall situation, the high performance concrete with multinomial excellent performance will largely substitute conventional concrete
Applied to various engineerings.
Under tropical desert megathermal climate of the highest temperature up to 50 DEG C, and with the thin wall concrete engineering of antiseepage requirement
In, it is desirable that concrete has the relatively low heat of hydration, longer presetting period, and it is high that barrier performance and intensity must also reach comparison
Standard, to ensure concrete pouring quality and improve concrete workability, enhancing construction operability.How to conventional concrete
The concrete construction for being allowed to be more suitable in above-mentioned condition environment is improved, is a urgent problem to be solved.
The content of the invention
It is an object of the invention to develop a kind of new concrete, reaching reduces the heat of hydration and improves concrete strength, protects
Concrete pouring quality is demonstrate,proved, extends the concrete initial set time, improves concrete workability, enhancing construction operability.
The utility model develops a kind of novel high-performance concrete, for tropical desert megathermal climate condition, extends coagulation
The native presetting period, and the standard of harsh antiseepage leakproof can be met the requirements, to improve ready-mixed concrete workability, improve impervious
Property, while achieve the purpose that reduce cost, enhancing construction operability.
The technical proposal of the invention is realized in this way：
A kind of concrete for being suitable for tropical desert megathermal climate condition, the concrete include by weight following
Component：
125-135 parts of Portland cement, 250-300 parts of granulated blast-furnace slag, 20-25 parts of silica flour, gabbro 1000-
1400 parts, net sand 750-820 parts, 4-8.6 parts of water-reducing agent, 3-5 parts of impervious agent, 130-160 parts of water.
Preferably, the concrete includes following components by weight：
122-128 parts of Portland cement, 277-290 parts of granulated blast-furnace slag, 21-22 parts of silica flour, gabbro 1045-
1224 parts, net sand 730-767 parts, 4.8-7.6 parts of water-reducing agent, 4.3-4.49 parts of impervious agent, 130-160 parts of water
Preferably, the granulated blast-furnace slag includes following components by weight：MgO6.4-7.2 parts, SO20.23-
0.29 part, Al2O311-15 parts, 0.7-1.1 parts of combustible；The silica flour includes following components by weight：SO288.5-
93.4 parts, Na2O0.14-0.23 parts, 2.2-2.7 parts of combustible.
Preferably, a diameter of 5-25mm of gabbro aggregate.
Preferably, the water-reducing agent includes following components in parts by weight：Fatty alcohol polyoxyethylene ether 200-230
Part, 5-10 parts of polyethylene glycol, 30-35 parts of acrylic acid, 1.6-1.65 parts of ammonium persulfate, 1-1.55 parts of thioacetic acid, deionized water
50-100 parts, hydrogen peroxide 20-35,3-4 parts of xylose powder, borax 4-6, phosphogypsum slag 5-7.
It is further preferred that the water-reducing agent preparation method is：By fatty alcohol polyoxyethylene ether, polyethylene glycol, acrylic acid,
Ammonium persulfate, hydrogen peroxide are added in 4 times of deionized water and mixed, and form mixture A, and solution temperature is maintained at 70 DEG C, are slowly added
Enter thioacetic acid, xylose powder, borax, phosphogypsum slag, and stir, concentration was as a child added dropwise as 15% sodium hydroxide in sustained response 3
PH value is adjusted to neutrality by solution, obtains water-reducing agent.This finished product is prepared by controlling the proportioning of monomer component with good
The water-reducing agent of dispersion performance has unique carboxylic acid ether polymer and long side chain in finished product, in mixed process is started with cement,
Identical electrostatic dispersion occurs but there are lateral chain, is connected on main polymer chain, can substantially improve cement granules separation and
Dispersibility improves the mobility of concrete, substantially reduces water demand.
With unique carboxylic acid ether polymer and long side chain, in mixed process is started with cement, identical electrostatic dispersion
Occur, there are lateral chain, to be connected on main polymer chain, substantially improve cement granules separation and dispersibility, improve coagulation
The mobility of soil, substantially reduces water demand
Preferably, the impervious agent includes following components in parts by weight：40-45 parts of emulsified wax, 20% hydrogen
20 parts of sodium oxide molybdena, 5-10 parts of sodium methyl silicate, 30-40 parts of polyoxyethylene ether, 10-15 parts of polyethylene glycol, 3-5 parts of hydrogen peroxide, water
50 parts.
It is further preferred that the impervious agent preparation method is：Water is added in, adds polyoxyethylene ether, polyethylene glycol, double
Oxygen water, heating stirring are allowed to be completely dissolved, and obtain solution B, are allowed to be cooled to room temperature afterwards；It is subsequently added into emulsified wax, methyl
Sodium metasilicate stirs evenly, and can both obtain finished product.The finished product improves hating for material by changing concrete pore surface tension
Aqueous, when being subject to extraneous effect of water pressure, the material aggregation with cement reaction generation is blocked as " plug " in pore
Pore effectively inhibits the absorption and infiltration of water, improves the durability of concrete structure.
1st, working performance of concrete improves
The workability of concrete mix, mobility improve, and slump retentivity is preferable.Concrete is thick, fine aggregate is formed
The skeleton of concrete has substantial amounts of gap therebetween, this portion void is filled when without using admixture by cement granules, although
Cement granules very little, but still have gap.After slag powders are mixed, since their grain size and cement granules grain size form grain size ladder
It spends, is mutually filled between particle, therefore fine aggregate void among particles can be further reduced, make it more closely knit, and can
So that the moisture between cement granules is released, Free water is formed, improves the mobility of concrete, this is micro- collection of slag powders
Expect effect.
Contact point area is small between slag powders and cement granules and between slag powders and slag powders, and the hydrophobic work of slag powders
It is also weaker to water-reducing agent suction-operated with causing, therefore slag powders mix the mobility that can improve concrete, workability, reduction is collapsed
Degree of falling loses.
2nd, the raising of concrete impermeability
After adding in slag powders, micro aggregate effect and volcano ash effect so that the structure of concrete is more fine and close, reduce
Porosity so as to increase the compactness of concrete structure, improves the anti-permeability performance of concrete.
3rd, reduce the heat of hydration and improve concrete strength
Excitation of the hydration reaction of the concrete of slag powders dependent on the alkaline matter of hydrated reaction of cement generation is mixed, it is raw
Speed into gelinite is far below straight cement concrete, and slag powders play the role of dispersant between cement granules.And slag
Powder is not involved in hydration reaction at hydrated cementitious initial stage, but with hydrolysis product of cement Ca (OH)2Secondary hydration is carried out, lags behind water
The process of muddy water, has delayed the Wen Sheng generated due to aquation.Simultaneously because the admixture of slag powders is instead of substantial amounts of cement,
Reduce further the heat of hydration.After adding in slag powders in concrete, in the alkaline environment of inside concrete, slag powders absorb
The Ca (OH) formed during hydrated cementitious2, further aquation forms C-S-H gels, makes the Ca (OH) in interface area2Crystal grain becomes smaller, and improves
The microstructure of concrete, is decreased obviously the voidage of cement slurry, enhances the cohesive force of aggregate Interface so that coagulation
The physical and mechanical property of soil greatly improves.In addition the micro aggregate effect of slag powders makes concrete form microcosmic certainly close knot
Structure improves the intensity of concrete.
Silica flour：Silica flour is filled in concrete, can further improve concrete strength.Such as use 10% silicon of cement consumption
Powder replaces cement, can improve intensity 25%, concrete in addition can also be made more closely knit, improve the durability of concrete.
Water-reducing agent, the poly- hydroxy acid formed by fatty alcohol polyoxyethylene ether, polyethylene glycol, acrylic acid, ammonium persulfate, hydrogen peroxide
Solution, adding in thioacetic acid, xylose powder, borax, phosphogypsum slag afterwards makes its modification, has unique carboxylic acid ether polymer and length
Side chain, in mixed process is started with cement, identical electrostatic dispersion occurs but there are lateral chain, is connected to main polymer chain
On, cement granules separation and dispersibility are substantially improved, the mobility of concrete is improved, substantially reduces water demand.
Impervious agent is formed by emulsified wax, sodium hydroxide, sodium methyl silicate, polyoxyethylene ether, polyethylene glycol, hydrogen peroxide
Special compound, it forms hydrophobic combination with cement hydration process, reduces capillary sucking and prevents potentially harmful solvable
Property substance enter, so as to enhance concrete durability and impermeability.
By the selection of more than concrete raw material, the design of match ratio makes concrete in workability, impervious and intensity side
Face is greatly improved, in order to preferably facilitate construction, our continuous summaries during concrete use, and optimize
Concrete mix, is allowed to the concrete pouring construction being more suitable under tropical desert megathermal climate.
The present invention provides a kind of new concrete, has the beneficial effect that：
1st, under the conditions of the present invention combines desert tropical climate, there is the demand of the thin wall concrete engineering of antiseepage requirement, lead to
The selection of Yi Shang concrete raw material is crossed, the design of match ratio makes concrete be obtained in terms of workability, impermeability and intensity
Very big improvement.
2nd, the present invention improves mobility, the workability of concrete, reduces slump damage by filling granulated blast-furnace slag
It loses.
3rd, after the present invention adds in granulated blast-furnace slag, micro aggregate effect and volcano ash effect cause the structure of concrete more
For densification, porosity is reduced, so as to increase the compactness of concrete structure, improves the anti-permeability performance of concrete.
4th, concrete of the invention, reduces the heat of hydration, improves concrete strength, while add flowable coagulation
Soil, water consumption reduce more than 35%.5th, concrete of the invention, meets the highest temperature up to 50 DEG C of tropical desert High Temperature Gas
Construction requirement under the conditions of time, and the standard of harsh antiseepage leakproof can be met the requirements.Having reached enhances while reducing cost
The purpose for operability of constructing.
6th, concrete of the invention, granulated blast-furnace slag volume reach 60%-70%, much super 40% miberal powder of domestic Concrete In Structures
Then volume adds silica flour, make concrete closely knit, and enhance concrete strength.
7th, the addition of high efficiency water reducing agent generates the ability that the cement granules of space stability ultimate load is made to separate and disperse, enhancing
Water demand is greatly reduced while the mobility of concrete, after adding high effect leakage proof agent, with cement hydration process shape
Capillary sucking is reduced into hydrophobic combination and prevents potentially harmful solable matter from entering, and the capillary of completely plugged concrete
Passage, so as to enhance the impermeability of concrete and durability.
Specific embodiment
It is further illustrated the present invention with reference to embodiment, but the scope of protection of present invention is not limited to implement
The scope of example statement.
Embodiment 1
A kind of concrete for being suitable for tropical desert megathermal climate condition, the concrete include by weight following
Component：
125 parts of Portland cement, 280 parts of granulated blast-furnace slag, 24 parts of silica flour, 1200 parts of gabbro, net sand 7580
Part, 7.2 parts of water-reducing agent, 4 parts of impervious agent, 145 parts of water.
Preferably, the concrete includes following components by weight：
125 parts of Portland cement, 285 parts of granulated blast-furnace slag, 21 parts of silica flour, 1156 parts of gabbro, net sand 745
Part, 5.2 parts of water-reducing agent, 4.38 parts of impervious agent, 146 parts of water
Preferably, the granulated blast-furnace slag includes following components by weight：MgO6.8 parts, SO20.26 part,
Al2O314 parts, 0.9 part of combustible；
The silica flour includes following components by weight：SO288.9 parts, Na2O0.16 parts, 2.8 parts of combustible.
Preferably, a diameter of 23mm of gabbro aggregate.
Preferably, the water-reducing agent includes following components in parts by weight：210 parts of fatty alcohol polyoxyethylene ether is gathered
8 parts of ethylene glycol, 32 parts of acrylic acid, 1.63 parts of ammonium persulfate, 1.35 parts of thioacetic acid, 80 parts of deionized water, 25 parts of hydrogen peroxide, wood
3.5 parts of Icing Sugar, 5 parts of borax, 6 parts of phosphogypsum slag.
It is further preferred that the water-reducing agent preparation method is：By fatty alcohol polyoxyethylene ether, polyethylene glycol, acrylic acid,
Ammonium persulfate, hydrogen peroxide are added in 4 times of deionized water and mixed, and form mixture A, and solution temperature is maintained at 70 DEG C, are slowly added
Enter thioacetic acid, xylose powder, borax, phosphogypsum slag, and stir, concentration was as a child added dropwise as 15% sodium hydroxide in sustained response 3
PH value is adjusted to neutrality by solution, obtains water-reducing agent.
Preferably, the impervious agent includes following components in parts by weight：43 parts of emulsified wax, 20% hydroxide
20 parts of sodium, 8 parts of sodium methyl silicate, 35 parts of polyoxyethylene ether, 12 parts of polyethylene glycol, 4 parts of hydrogen peroxide, 50 parts of water.
It is further preferred that the impervious agent preparation method is：Water is added in, adds polyoxyethylene ether, polyethylene glycol, double
Oxygen water, heating stirring are allowed to be completely dissolved, and obtain solution B, are allowed to be cooled to room temperature afterwards；It is subsequently added into emulsified wax, methyl
Sodium metasilicate stirs evenly, and can both obtain finished product.
Embodiment 2
The coagulation of the match ratio designed using 1 concrete raw material of table, concrete water mud and granulated blast furnace slag production
Soil is conducive to enhance durability by reducing permeability and reducing the heat of hydration.In order to obtain strong mixed of high intensity and durability
Solidifying soil, the content of granulated blast furnace slag is 60%-70%, as shown in table 2.Free water content is less than 160L/m3.Slump value is low
The viscosity of concrete is excessive when 200mm, this frequently results in pumping, places, compacting, the difficulty in terms of finishing.
By improving the match ratio of concrete, as shown in table 3, the slump is made to be more than 550mm.By the addition of additive,
Segregation will not be being generated, on the premise of target water/cement ratio can be kept, is realizing the promotion of durability and strength characteristics.
As shown in table 1,3, for concrete of the present invention compared with normal concrete, cube resistance to compression in 28 days is significantly larger, and
The slump also bigger, anti-permeability performance is stronger, and the ratio of mud is lower.The concrete of the present invention can extend concrete initial set time, and energy
Meet the requirements the standard of harsh antiseepage leakproof, to improve ready-mixed concrete workability, improve it is impervious, while reach reduction into
Originally, the purpose of enhancing construction operability, can more adapt to the construction of tropical desert climate Under Concrete.
1 Preliminary design concrete mix of table, table 2 are Preliminary design match ratio concrete physical and mechanical parameters, this kind is matched somebody with somebody
The concrete of ratio has good workability, impermeability and compressive property, apparent compared with normal concrete performance improvement.
1 Preliminary design concrete mix kg/m of table3(dry weight)
2 Preliminary design match ratio concrete physical and mechanical parameter of table
In engineering construction, with reference to tropical desert climate feature, further optimization, table have been carried out to concrete mix
3 be the concrete mix after optimization, and table 4 is the concrete physical and mechanical parameter after mixtures optimal design.
Concrete mix kg/m after the optimization of table 33(dry weight)
Water-reducing agent described in the present embodiment includes following components in parts by weight：210 parts of fatty alcohol polyoxyethylene ether is gathered
8 parts of ethylene glycol, 31 parts of acrylic acid, 1.62 parts of ammonium persulfate, 1.34 parts of thioacetic acid, 85 parts of deionized water, 24 parts of hydrogen peroxide, wood
3.6 parts of Icing Sugar, 5 parts of borax, 6 parts of phosphogypsum slag.
It is further preferred that the water-reducing agent preparation method is：By fatty alcohol polyoxyethylene ether, polyethylene glycol, acrylic acid,
Ammonium persulfate, hydrogen peroxide are added in 4 times of deionized water and mixed, and form mixture A, and solution temperature is maintained at 70 DEG C, are slowly added
Enter thioacetic acid, xylose powder, borax, phosphogypsum slag, and stir, concentration was as a child added dropwise as 15% sodium hydroxide in sustained response 3
PH value is adjusted to neutrality by solution, obtains water-reducing agent.
Impervious agent described in the present embodiment includes following components in parts by weight：43 parts of emulsified wax, 20% hydrogen-oxygen
Change 20 parts of sodium, 8 parts of sodium methyl silicate, 38 parts of polyoxyethylene ether, 13 parts of polyethylene glycol, 4 parts of hydrogen peroxide, 50 parts of water.
It is further preferred that the impervious agent preparation method is：Water is added in, adds polyoxyethylene ether, polyethylene glycol, double
Oxygen water, heating stirring are allowed to be completely dissolved, and obtain solution B, are allowed to be cooled to room temperature afterwards；It is subsequently added into emulsified wax, methyl
Sodium metasilicate stirs evenly, and can both obtain finished product.
Concrete behavior of mechanics after 4 mixtures optimal design of table
For SDR-FDN naphthalene series high-efficiency water-reducing agents, (the prosperous auspicious science and technology of spy in Yichang has water-reducing agent in concrete after the optimization of substitution table 3
Limit company) water consumption 30% is reduced, less than the 35% of the present invention.
Impervious agent is incorporation SK-H2 type agent on crack resistance of concrete penetration enhancer (the industrial factory of Beijing marial rocks in concrete after the optimization of substitution table 3
Family) concrete, seep water height 10mm, higher than the present invention 5mm.
The above embodiments are only the preferred technical solution of the present invention, and are not construed as the limitation for the present invention, this Shen
Please in embodiment and embodiment in feature in the case where there is no conflict, can mutually be combined.The protection model of the present invention
Enclosing should be with the technical solution of claim record, the equivalent substitution side of technical characteristic in the technical solution recorded including claim
Case is protection domain.Equivalent substitution i.e. within this range is improved, also within protection scope of the present invention.
Claims (8)
1. a kind of concrete for being suitable for tropical desert megathermal climate condition, it is characterised in that：The concrete is included by weight
The following components of part meter：
125-135 parts of Portland cement, 250-300 parts of granulated blast-furnace slag, 20-25 parts of silica flour, gabbro 1000-1400
Part, net sand 750-820 parts, 4-8.6 parts of water-reducing agent, 3-5 parts of impervious agent, 130-160 parts of water.
2. concrete according to claim 1, it is characterised in that：The concrete is including by weight with the following group
Point：
122-128 parts of Portland cement, 277-290 parts of granulated blast-furnace slag, 21-22 parts of silica flour, gabbro 1045-1224
Part, net sand 730-767 parts, 4.8-7.6 parts of water-reducing agent, 4.3-4.49 parts of impervious agent, 130-160 parts of water.
3. concrete according to claim 1, it is characterised in that：The granulated blast-furnace slag include by weight with
Lower component：MgO6.4-7.2 parts, SO20.23-0.29 parts, Al2O311-15 parts, 0.7-1.1 parts of combustible；The silica flour includes pressing
The following components of parts by weight meter：SO288.5-93.4 parts, Na2O0.14-0.23 parts, 2.2-2.7 parts of combustible.
4. superelevation concrete adulterated with fly ash according to claim 1, it is characterised in that：The a diameter of 5- of gabbro aggregate
25mm。
5. concrete according to claim 1, which is characterized in that the water-reducing agent is including in parts by weight with the following group
Point：200-230 parts of fatty alcohol polyoxyethylene ether, 5-10 parts of polyethylene glycol, 30-35 parts of acrylic acid, 1.6-1.65 parts of ammonium persulfate,
1-1.55 parts of thioacetic acid, 50-100 parts of deionized water, hydrogen peroxide 20-35,3-4 parts of xylose powder, borax 4-6, phosphogypsum slag 5-
7。
6. concrete according to claim 5, which is characterized in that the water-reducing agent preparation method is：By fatty alcohol polyoxy
Vinethene, polyethylene glycol, acrylic acid, ammonium persulfate, hydrogen peroxide are added in 4 times of deionized water and mixed, and form mixture A, molten
Liquid temperature degree is maintained at 70 DEG C, is slowly added to thioacetic acid, xylose powder, borax, phosphogypsum slag, and stirs, and sustained response 3 was as a child
Dropwise addition concentration is 15% sodium hydroxide solution, and pH value is adjusted to neutrality, obtains water-reducing agent.
7. concrete according to claim 1, which is characterized in that the impervious agent is including in parts by weight with the following group
Point：40-45 parts of emulsified wax, 20% 20 parts of sodium hydroxide, 5-10 parts of sodium methyl silicate, 30-40 parts of polyoxyethylene ether, poly- second
10-15 parts of glycol, 3-5 parts of hydrogen peroxide, 50 parts of water.
8. concrete according to claim 7, it is characterised in that：The impervious agent preparation method is：Water is added in, is added
Polyoxyethylene ether, polyethylene glycol, hydrogen peroxide, heating stirring are allowed to be completely dissolved, and obtain solution B, are allowed to be cooled to room temperature afterwards；
Be subsequently added into emulsified wax, sodium methyl silicate stirs evenly, can both obtain finished product.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108726938A (en) * | 2018-07-13 | 2018-11-02 | 中国葛洲坝集团国际工程有限公司 | A kind of paste composition |
| CN109400053A (en) * | 2018-11-05 | 2019-03-01 | 中国电建集团山东电力建设第工程有限公司 | A kind of concrete for rainforest area and its construction method for pouring basis |
| CN110528490A (en) * | 2019-09-19 | 2019-12-03 | 广州铭汇建设工程有限公司 | Treatment Methods of Soft Ground |
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| CN103819158A (en) * | 2014-01-14 | 2014-05-28 | 苏州中材建设有限公司 | Preparation method of high-volume stable concrete |
| CN106007506A (en) * | 2016-05-21 | 2016-10-12 | 张羽 | Efficient waterproof anti-seeping agent |
| CN106146750A (en) * | 2016-06-28 | 2016-11-23 | 四川宇砼建材有限公司 | Collapse protective poly-carboxylic acid high-performance water reducing agent and preparation method thereof |
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| CN108726938A (en) * | 2018-07-13 | 2018-11-02 | 中国葛洲坝集团国际工程有限公司 | A kind of paste composition |
| CN109400053A (en) * | 2018-11-05 | 2019-03-01 | 中国电建集团山东电力建设第工程有限公司 | A kind of concrete for rainforest area and its construction method for pouring basis |
| CN110528490A (en) * | 2019-09-19 | 2019-12-03 | 广州铭汇建设工程有限公司 | Treatment Methods of Soft Ground |
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