CN110255991A - Building walls construction concrete and preparation method thereof - Google Patents
Building walls construction concrete and preparation method thereof Download PDFInfo
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- CN110255991A CN110255991A CN201910534151.8A CN201910534151A CN110255991A CN 110255991 A CN110255991 A CN 110255991A CN 201910534151 A CN201910534151 A CN 201910534151A CN 110255991 A CN110255991 A CN 110255991A
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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
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/10—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by using foaming agents or by using mechanical means, e.g. adding preformed foam
-
- 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
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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)
- General Chemical & Material Sciences (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to a kind of building walls construction concrete and preparation method thereof, the concrete includes each ingredient of following weight proportion: 30-45 parts of cement, 1-2 parts of ethylene glycol monobutyl ether, 1-2 parts of silicone oil, rubble 40-45 parts of mixing, 10-20 parts of coarse sand, 30-45 parts of fine sand, 10-20 parts of shraff, 10-20 parts of discarded concrete, 10-20 parts of fine aggregate, 10-20 parts of aeroge, 15-25 parts of composite fibre, 10-15 parts of light filler, 10-15 parts of foaming agent and 15-25 parts of additive.Building walls construction concrete provided by the invention, mechanical shock resistance, compression strength, anti-permeability strength, flexural strength and product compactness are preferable, and thermal coefficient is small, and production cost is low, light weight.
Description
Technical field
The present invention relates to technical field of building construction, and in particular to a kind of building walls construction concrete and its preparation
Method.
Background technique
Concrete is one of the present age most important civil engineering material.It is by cementitious material, granular aggregat, water and
The additive and admixture being added when necessary are prepared by a certain percentage, through uniform stirring, closely knit molding, one made of maintenance hardening
The artificial stone material of kind.Concrete has the characteristics that abundant raw material, cheap, simple production process, thus its usage amount is increasingly
Greatly.Concrete also has the characteristics that compression strength is high, durability is good, strength grade range is wide simultaneously, these features make its use
Range is very extensive, not only uses in various civil engineerings, while in shipbuilding industry, mechanical industry, ocean development and ground thermal technology
Cheng Zhong, concrete are also important material.
Concrete is according to its different use occasion, and preparation emphasis is different, such as bridge pavement construction concrete
It is required that there is preferable Anti-skid shock-absorbing performance, construction concrete requires have preferable intensity, and provisional builder's temporary shed built etc. uses
Concrete require have preferable thermal insulation etc., however, the concrete used for different occasions, is often meeting one of them
When energy, another impaired performance unavoidably will lead to, for example, for concrete used in architecture construction, in production
Emphasis is often its mechanical strength, rarely has the research about its density, shock resistance and thermal insulation etc..
Summary of the invention
To solve the shortcomings of the prior art, the present invention provides a kind of building walls construction concrete, including
Each ingredient of following weight proportion: 30-45 part of cement, 1-2 parts of ethylene glycol monobutyl ether, 1-2 parts of silicone oil, mix rubble 40-45 parts,
10-20 parts of coarse sand, 30-45 parts of fine sand, 10-20 parts of shraff, 10-20 parts of discarded concrete, 10-20 parts of fine aggregate, airsetting
10-20 parts of glue, 15-25 parts of composite fibre, 10-15 parts of light filler, 10-15 parts of foaming agent and 15-25 parts of additive.
Wherein, the additive includes each ingredient of following weight proportion: 15-20 parts of poly carboxylic acid series water reducer, curing agent
13-17 parts, 5-8 parts of cellulose graft chitosan, 6-8 parts of silane coupling agent, 6-8 parts of silicon carbide, 6-8 parts of glass bead, gelatin
10-12 parts of powder, 5-10 parts of anhydrous sodium sulfite, 5-10 parts of calgon, 10-20 parts of edible seaweed powder and 10-20 parts of activator.
Wherein, the poly carboxylic acid series water reducer includes each ingredient of following weight proportion: 10-25 parts of methacrylic acid, carbon
10-25 parts of fiber, 10-25 parts of sodium tetraborate, 10-15 parts of aqueous polyurethane, glucose receive 10-15 parts.
Wherein, the poly carboxylic acid series water reducer preparation method includes the following steps:
Step S1: sodium tetraborate, glucose are received and are uniformly mixed with deionized water；
Step S2: carbon fiber being added into step S1 acquired solution, and ultrasonication 20 minutes under high temperature are heated to boiling
Afterwards, methacrylic acid and aqueous polyurethane are added while stirring, obtains poly carboxylic acid series water reducer.
Wherein, the activator includes each ingredient of following weight proportion: 10-20 parts of triethanolamine, 5-8 parts of propylene glycol,
5-8 parts of diethylene glycol (DEG), 5-8 parts of cellulose ether, 10-20 parts of nitrate, 10-20 parts of silicate.
Wherein, the light filler includes each ingredient of following weight proportion: 5-10 parts of precipitated calcium carbonate, light ceramics 8-
15 parts and 10-15 parts of diatomite.
Wherein, the preparation method of the light filler includes the following steps:
Step S1: precipitated calcium carbonate, diatomite and deionized water are mixed, stirred evenly, wherein precipitated calcium carbonate and silicon
The total content of diatomaceous earth and the mass ratio of deionized water are between 1:1-1:2；
Step S2: step S1 resulting solution being added to 70-80 degrees Celsius, adds light ceramics after mixing evenly, is delayed
Slow cooling.
Wherein, the mixing rubble includes big stone and handstone, wherein the partial size of big stone and handstone is respectively interposed in
20-40mm and 5-20mm；
The fineness modulus of coarse sand is 2.5, and fine sand partial size is less than 0.315mm, and water absorption rate is between 2-5%；
The fine aggregate includes each ingredient of following weight proportion: 5-10 parts of flyash, 5-10 parts of zeolite powder and vessel slag
5-10 parts.
Invention additionally provides a kind of building walls construction preparation method of concrete, include the following steps:
Step S1: it is spare that light filler, poly carboxylic acid series water reducer, activator and other additives are prepared；
Step S2: by cement, mixing rubble, coarse sand, fine sand, shraff, discarded concrete and fine aggregate and in right amount
Water is uniformly mixed, basic slurry needed for concrete is made；
Step S3: composite fibre, ethylene glycol monobutyl ether, silicone oil being added into slurry obtained by step S2, and high temperature is uniformly mixed；
Step S4: aeroge, light filler, foaming agent are uniformly mixed with suitable quantity of water room temperature；
Step S5: step S3 and step S4 acquired solution are mixed, at the same be added poly carboxylic acid series water reducer, activator and its
Its additive stirs evenly up to concrete.
Wherein, the preparation method of the poly carboxylic acid series water reducer includes the following steps:
Step S11: sodium tetraborate, glucose are received and are uniformly mixed with deionized water；
Step S12: carbon fiber being added into step S11 acquired solution, and ultrasonication 20 minutes under high temperature are heated to boiling
After rising, methacrylic acid and aqueous polyurethane are added while stirring, obtains poly carboxylic acid series water reducer；
The preparation method of the light filler includes the following steps:
Step S1a: by precipitated calcium carbonate, diatomite and deionized water mix, stir evenly, wherein precipitated calcium carbonate and
The total content of diatomite and the mass ratio of deionized water are between 1:1-1:2；
Step S1b: step S1 resulting solution being added to 70-80 degrees Celsius, adds light ceramics after mixing evenly, is delayed
Slow cooling.
Building walls construction concrete provided by the invention and preparation method thereof, mechanical shock resistance, pressure resistance
Degree, anti-permeability strength, flexural strength and product compactness are preferable, and thermal coefficient is small, and production cost is low, light weight.
Specific embodiment
In order to have further understanding to technical solution of the present invention and beneficial effect, below with reference to this hair of detailed description
The beneficial effect of bright technical solution and its generation.
The present invention provides a kind of building walls construction concrete, each ingredient including following weight proportion: cement 30-
45 parts, 1-2 parts of ethylene glycol monobutyl ether, 1-2 parts of silicone oil, rubble 40-45 parts of mixing, 10-20 parts of coarse sand, 30-45 parts of fine sand, ceramics
It is 10-20 parts of waste material, 10-20 parts of discarded concrete, 10-20 parts of fine aggregate, 10-20 parts of aeroge, 15-25 parts of composite fibre, light
10-15 parts of matter filler, 10-15 parts of foaming agent and 15-25 parts of additive.The mixing rubble includes big stone and handstone,
Wherein, the partial size of big stone and handstone is respectively interposed in 20-40mm and 5-20mm, and mass ratio is big stone: handstone is between 1:3
=1:4；The fineness modulus of coarse sand is 2.5, and fine sand partial size is less than 0.315mm, and water absorption rate is between 2-5%；The fine aggregate includes
Each ingredient of following weight proportion: 5-10 parts of flyash, 5-10 parts of zeolite powder and 5-10 parts of vessel slag.
Ethylene glycol monobutyl ether and silicone oil are as the allotment common solvent of concrete, for increasing between a variety of concrete compositions
Cohesiveness, especially the present invention selected the composite fibre for being relatively insoluble in water, under the action of ethylene glycol monobutyl ether and silicone oil,
Composite fibre can further increase with the basis in concrete, the i.e. uniform adhesion of the formation such as cement, rubble, fine sand
Strong promotion of the composite fibre to concrete strength.
Concrete provided by the invention, with part shraff and discarded concrete substitution cement material and a part of broken
On the one hand stone, fine sand and coarse sand realize waste resource utilization, reduce cement usage amount, save cost, avoid cement
The problems such as hydro-thermalization of environmental pollution caused by dosage is excessive and product is concentrated.Meanwhile fine aggregate provided by the invention also selects
From trade waste, such as flyash, zeolite powder and vessel slag, on the one hand the selection of fine aggregate and proportion can be improved concrete whole
The structural strength and compactness of body, while it being supplied to the good cohesiveness of product and water-retaining property, a part of cement can be also replaced,
Hydro-thermal concentration problem caused by reducing cement consumption excessively.
In the present invention, selected rubble and sand are the structure that thickness combines, and are mainly in view of the present invention due to having
The presence of foaming agent and aeroge, would generally hardness on whole wall and structural stability generate it is certain influence, rubble and
Sand thickness combine structure, this influence can be evaded, material after mixing, fine sand can be embedded to inside coarse sand, coarse sand
And the mixture of fine sand can be inserted further in big stone gap with handstone, in addition the presence of fine aggregate, monolithic concrete
Structure is very closely knit, and mechanical shock resistance is strong, and compression strength, anti-permeability strength and flexural strength increase.
In the present invention, aeroge, composite fibre, light filler and foaming agent are core of the invention ingredient, and being can
Enough be optimally suitable for the essential ingredient of building walls: aeroge has heat-insulating property, can prevent indoor and outdoor surroundings
Effect cool in summer and warm in winter is played in heat exchange；Composite fibre is preferably selected from stainless steel fibre, acrylic resin fiber and ethoxy
One of fiber or more than one, composite fibre can form the reticular structure of intertexture between concrete, improve concrete
Structural strength；Light filler and foaming agent are used to mitigate the density of concrete, increase the anti-seismic performance of concrete wall, simultaneously
Transportation cost is reduced, foaming agent can be selected from any existing foaming agent, and light filler includes each ingredient of following weight proportion: light
5-10 parts of matter calcium carbonate, 8-15 parts of light ceramics and 10-15 parts of diatomite.Its specific preparation method includes the following steps: to walk
Rapid S1: precipitated calcium carbonate, diatomite and deionized water are mixed, stirred evenly, wherein precipitated calcium carbonate and diatomite always contain
The mass ratio of amount and deionized water is between 1:1-1:2；Step S2: step S1 resulting solution is added to 70-80 degrees Celsius, then plus
Enter light ceramics after mixing evenly, slow cooling.Precipitated calcium carbonate and diatomite first mix, then mix with light ceramics successive
Step can guarantee that precipitated calcium carbonate and diatomite form the mixture with certain viscosity, when being mixed with light ceramics,
While guaranteeing that be formed by mixture mixes with light ceramics, mixture is avoided to be filled into the structure interval of light ceramics
It is interior, to utmostly realize the effect for mitigating concrete density.
In the present invention, selected additive includes each ingredient of following weight proportion: poly carboxylic acid series water reducer 15-20
Part, 13-17 parts of curing agent, 5-8 parts of cellulose graft chitosan, 6-8 parts of silane coupling agent, 6-8 parts of silicon carbide, glass bead 6-
8 parts, 10-12 parts of jelly powder, 5-10 parts of anhydrous sodium sulfite, 5-10 parts of calgon, 10-20 parts of edible seaweed powder and activator
10-20 parts.
Wherein, the effect of edible seaweed powder is thickening, slow setting, water conservation and improves cohesive force.
Wherein, the poly carboxylic acid series water reducer includes each ingredient of following weight proportion: 10-25 parts of methacrylic acid, carbon
10-25 parts of fiber, 10-25 parts of sodium tetraborate, 10-15 parts of aqueous polyurethane, glucose receive 10-15 parts, specific preparation side
Method includes: step S1: sodium tetraborate, glucose being received and are uniformly mixed with deionized water；Step S2: into step S1 acquired solution
Carbon fiber is added, ultrasonication 20 minutes under high temperature, after being heated to boiling, methacrylic acid and aqueous poly- is added while stirring
Urethane obtains poly carboxylic acid series water reducer.Water-reducing agent can guarantee in working procedure, make that concrete formation is fast, anti-toughness is strong, mitigate
Difficulty of construction.
In the present invention, activator includes each ingredient of following weight proportion: 10-20 parts of triethanolamine, 5-8 parts of propylene glycol,
5-8 parts of diethylene glycol (DEG), 5-8 parts of cellulose ether, 10-20 parts of nitrate, 10-20 parts of silicate, the proportion of each component is mixed in activator
Close guarantee its with good cohesiveness and water-retaining property, can by influence the activity of associated minerals matter in fine aggregate and cement come
The structural strength for increasing finished product concrete, further, it is possible to guarantee workability while reducing gel material content.
In the present invention, it is contemplated that workability, dissolution conditions and dissolved stability etc. of each material in mixing, limit
Order of addition, order by merging and the condition of fixed each material, obtain concrete the preparation method is as follows:
Step S1: it is spare that light filler, poly carboxylic acid series water reducer, activator and other additives are prepared；
Step S2: by cement, mixing rubble, coarse sand, fine sand, shraff, discarded concrete and fine aggregate and in right amount
Water is uniformly mixed, basic slurry needed for concrete is made；
Step S3: composite fibre, ethylene glycol monobutyl ether, silicone oil being added into slurry obtained by step S2, and high temperature is uniformly mixed；
Step S4: aeroge, light filler, foaming agent are uniformly mixed with suitable quantity of water room temperature；
Step S5: step S3 and step S4 acquired solution are mixed, at the same be added poly carboxylic acid series water reducer, activator and its
Its additive stirs evenly up to concrete.
In following examples of the invention, each material only exists the difference of proportion, preparation method during the preparation process
It is identical.
Embodiment 1:
A kind of building walls construction concrete, comprising: 33 parts of cement, 1.5 parts of silicone oil, mixes 1 part of ethylene glycol monobutyl ether
Close 42 parts of rubble, 14 parts of coarse sand, 35 parts of fine sand, 15 parts of shraff, 15 parts of discarded concrete, 15 parts of fine aggregate, aeroge 15
Part, 18 parts of composite fibre, 12 parts of light filler, 12 parts of foaming agent and 20 parts of additive.
Wherein, additive includes: 18 parts of poly carboxylic acid series water reducer, 13 parts of curing agent, 5 parts of cellulose graft chitosan, silicon
8 parts of alkane coupling agent, 8 parts of silicon carbide, 8 parts of glass bead, 12 parts of jelly powder, 5 parts of anhydrous sodium sulfite, 5 parts of calgon, sea
15 parts of vegetable powder and 15 parts of activator.
Poly carboxylic acid series water reducer includes: 15 parts of methacrylic acid, 15 parts of carbon fiber, 15 parts of sodium tetraborate, aqueous polyurethane
10 parts, glucose receive 10 parts.
Activator includes: 10 parts of triethanolamine, 6 parts of propylene glycol, 5 parts of diethylene glycol (DEG), 8 parts of cellulose ether, 15 parts of nitrate, silicon
15 parts of hydrochlorate.
Light filler includes: 6 parts of precipitated calcium carbonate, 10 parts of light ceramics and 12 parts of diatomite.
Embodiment 2:
A kind of building walls construction concrete, comprising: 30 parts of cement, 2 parts of ethylene glycol monobutyl ether, 1 part of silicone oil, mixing
40 parts of rubble, 15 parts of coarse sand, 35 parts of fine sand, 10 parts of shraff, 10 parts of discarded concrete, 10 parts of fine aggregate, 10 parts of aeroge,
20 parts of composite fibre, 15 parts of light filler, 10 parts of foaming agent and 18 parts of additive.
Wherein, additive includes: 16 parts of poly carboxylic acid series water reducer, 14 parts of curing agent, 7 parts of cellulose graft chitosan, silicon
7 parts of alkane coupling agent, 7 parts of silicon carbide, 7 parts of glass bead, 10 parts of jelly powder, 6 parts of anhydrous sodium sulfite, 6 parts of calgon, sea
10 parts of vegetable powder and 10 parts of activator.
Poly carboxylic acid series water reducer includes: 20 parts of methacrylic acid, 20 parts of carbon fiber, 15 parts of sodium tetraborate, aqueous polyurethane
10 parts, glucose receive 12 parts.
Activator includes: 15 parts of triethanolamine, 6 parts of propylene glycol, 5 parts of diethylene glycol (DEG), 5 parts of cellulose ether, 16 parts of nitrate, silicon
16 parts of hydrochlorate.
Light filler includes: 6 parts of precipitated calcium carbonate, 12 parts of light ceramics and 10 parts of diatomite.
Embodiment 3:
A kind of building walls construction concrete, comprising: 45 parts of cement, 2 parts of silicone oil, mixes 1.5 parts of ethylene glycol monobutyl ether
Close 45 parts of rubble, 20 parts of coarse sand, 45 parts of fine sand, 10 parts of shraff, 15 parts of discarded concrete, 15 parts of fine aggregate, aeroge 15
Part, 16 parts of composite fibre, 10 parts of light filler, 10 parts of foaming agent and 15 parts of additive.
Wherein, additive includes: 18 parts of poly carboxylic acid series water reducer, 13 parts of curing agent, 8 parts of cellulose graft chitosan, silicon
8 parts of alkane coupling agent, 8 parts of silicon carbide, 6 parts of glass bead, 11 parts of jelly powder, 8 parts of anhydrous sodium sulfite, 8 parts of calgon, sea
16 parts of vegetable powder and 10 parts of activator.
Poly carboxylic acid series water reducer includes: 12 parts of methacrylic acid, 12 parts of carbon fiber, 12 parts of sodium tetraborate, aqueous polyurethane
15 parts, glucose receive 15 parts.
Activator includes: 10 parts of triethanolamine, 8 parts of propylene glycol, 6 parts of diethylene glycol (DEG), 6 parts of cellulose ether, 15 parts of nitrate, silicon
15 parts of hydrochlorate.
Light filler includes: 8 parts of precipitated calcium carbonate, 10 parts of light ceramics and 12 parts of diatomite.
Embodiment 4:
A kind of building walls construction concrete, comprising: 40 parts of cement, 1 part of ethylene glycol monobutyl ether, 1 part of silicone oil, mixing
40 parts of rubble, 15 parts of coarse sand, 35 parts of fine sand, 18 parts of shraff, 16 parts of discarded concrete, 16 parts of fine aggregate, 18 parts of aeroge,
18 parts of composite fibre, 15 parts of light filler, 12 parts of foaming agent and 20 parts of additive.
Wherein, additive includes: 20 parts of poly carboxylic acid series water reducer, 17 parts of curing agent, 8 parts of cellulose graft chitosan, silicon
8 parts of alkane coupling agent, 8 parts of silicon carbide, 6 parts of glass bead, 12 parts of jelly powder, 8 parts of anhydrous sodium sulfite, 8 parts of calgon, sea
16 parts of vegetable powder and 16 parts of activator.
Poly carboxylic acid series water reducer includes: 25 parts of methacrylic acid, 25 parts of carbon fiber, 10 parts of sodium tetraborate, aqueous polyurethane
10 parts, glucose receive 15 parts.
Activator includes: 15 parts of triethanolamine, 7 parts of propylene glycol, 7 parts of diethylene glycol (DEG), 6 parts of cellulose ether, 15 parts of nitrate, silicon
15 parts of hydrochlorate.
Light filler includes: 6 parts of precipitated calcium carbonate, 8 parts of light ceramics and 15 parts of diatomite.
Embodiment 5:
A kind of building walls construction concrete, comprising: 45 parts of cement, 2 parts of ethylene glycol monobutyl ether, 2 parts of silicone oil, mixing
40 parts of rubble, 10 parts of coarse sand, 35 parts of fine sand, 15 parts of shraff, 15 parts of discarded concrete, 16 parts of fine aggregate, 16 parts of aeroge,
18 parts of composite fibre, 12 parts of light filler, 14 parts of foaming agent and 17 parts of additive.
Wherein, additive includes: 16 parts of poly carboxylic acid series water reducer, 13 parts of curing agent, 5 parts of cellulose graft chitosan, silicon
8 parts of alkane coupling agent, 8 parts of silicon carbide, 8 parts of glass bead, 12 parts of jelly powder, 6 parts of anhydrous sodium sulfite, 8 parts of calgon, sea
14 parts of vegetable powder and 15 parts of activator.
Poly carboxylic acid series water reducer includes: 16 parts of methacrylic acid, 16 parts of carbon fiber, 15 parts of sodium tetraborate, aqueous polyurethane
14 parts, glucose receive 15 parts.
Activator includes: 10 parts of triethanolamine, 8 parts of propylene glycol, 6 parts of diethylene glycol (DEG), 7 parts of cellulose ether, 20 parts of nitrate, silicon
20 parts of hydrochlorate.
Light filler includes: 8 parts of precipitated calcium carbonate, 10 parts of light ceramics and 12 parts of diatomite.
Comparative example 1
Without containing fine sand, light ceramics, aeroge and composite fibre, other ingredients and embodiment 1 are consistent.
Comparative example 2
Without containing edible seaweed powder, activator and light ceramics, other ingredients and embodiment 2 are consistent.
Comparative example 3
Without containing aeroge, foaming agent, fine sand and edible seaweed powder, other ingredients and embodiment 3 are consistent.
The basic performance testing result of concrete is as follows:
Beneficial effects of the present invention are as follows:
1, by the cooperation of coarse sand fine sand and handstone and big stone, closely knit, the resistance to mechanical of concrete structure be ensure that
Impact property, compression strength, anti-permeability strength and flexural strength.
2, it is arranged by the selection of material in fine aggregate and proportion, improves the structural strength of concrete entirety and closely knit
Degree, ensure that the good cohesiveness of product and water-retaining property.
3, by the selection of ceramic fertilizer and discarded concrete, production cost is saved, avoids environmental pollution and cement
Dosage excessively caused by the problems in hydro-thermal collection.
4, it is selected by the material of composite fibre and proportion is arranged, improve the structural strength of concrete.
5, by the selection of foaming agent and light material, increase the anti-seismic performance of concrete wall, reduce transport at
This.
6, by the addition of aeroge and ratio setting, the thermal coefficient of concrete is reduced, indoor outer ring can be prevented
The heat exchange in border plays effect cool in summer and warm in winter.
7, it is selected by the material of water-reducing agent and proportion is arranged, increase the anti-toughness of concrete, kept its molding fast, mitigate
Difficulty of construction.
Although the present invention is illustrated using above-mentioned preferred embodiment, the protection model that however, it is not to limit the invention
It encloses, anyone skilled in the art are not departing within the spirit and scope of the present invention, and opposite above-described embodiment carries out various changes
It is dynamic still to belong to the range that the present invention is protected with modification, therefore protection scope of the present invention subjects to the definition of the claims.
Claims (10)
1. a kind of building walls construction concrete, which is characterized in that each ingredient including following weight proportion: cement 30-
45 parts, 1-2 parts of ethylene glycol monobutyl ether, 1-2 parts of silicone oil, rubble 40-45 parts of mixing, 10-20 parts of coarse sand, 30-45 parts of fine sand, ceramics
It is 10-20 parts of waste material, 10-20 parts of discarded concrete, 10-20 parts of fine aggregate, 10-20 parts of aeroge, 15-25 parts of composite fibre, light
10-15 parts of matter filler, 10-15 parts of foaming agent and 15-25 parts of additive.
2. building walls construction concrete as described in claim 1, which is characterized in that the additive includes following weight
Measure each ingredient of proportion: 15-20 parts of poly carboxylic acid series water reducer, 13-17 parts of curing agent, 5-8 parts of cellulose graft chitosan, silane
6-8 parts of coupling agent, 6-8 parts of silicon carbide, 6-8 parts of glass bead, 10-12 parts of jelly powder, 5-10 parts of anhydrous sodium sulfite, six inclined phosphorus
Sour sodium 5-10 parts, 10-20 parts of edible seaweed powder and 10-20 parts of activator.
3. building walls construction concrete as claimed in claim 2, which is characterized in that the poly carboxylic acid series water reducer packet
Include each ingredient of following weight proportion: 10-25 parts of methacrylic acid, 10-25 parts of carbon fiber, 10-25 parts of sodium tetraborate, aqueous poly-
10-15 parts of urethane, glucose receive 10-15 parts.
4. building walls construction concrete as claimed in claim 3, which is characterized in that the poly carboxylic acid series water reducer system
Preparation Method includes the following steps:
Step S1: sodium tetraborate, glucose are received and are uniformly mixed with deionized water；
Step S2: carbon fiber being added into step S1 acquired solution, ultrasonication 20 minutes under high temperature, after being heated to boiling,
Methacrylic acid and aqueous polyurethane are added while stirring, obtains poly carboxylic acid series water reducer.
5. building walls construction concrete as claimed in claim 2, which is characterized in that the activator includes following weight
Measure each ingredient of proportion: 10-20 parts of triethanolamine, 5-8 parts of propylene glycol, 5-8 parts of diethylene glycol (DEG), 5-8 parts of cellulose ether, nitrate
10-20 parts, 10-20 parts of silicate.
6. building walls construction concrete as described in claim 1, which is characterized in that the light filler includes as follows
Each ingredient of weight proportion: 5-10 parts of precipitated calcium carbonate, 8-15 parts of light ceramics and 10-15 parts of diatomite.
7. building walls construction concrete as claimed in claim 6, which is characterized in that the preparation side of the light filler
Method includes the following steps:
Step S1: precipitated calcium carbonate, diatomite and deionized water are mixed, stirred evenly, wherein precipitated calcium carbonate and diatomite
Total content and deionized water mass ratio between 1:1-1:2；
Step S2: step S1 resulting solution being added to 70-80 degrees Celsius, adds light ceramics after mixing evenly, is slowly dropped
Temperature.
8. building walls construction concrete as described in claim 1, which is characterized in that the mixing rubble includes great Shi
Son and handstone, wherein the partial size of big stone and handstone is respectively interposed in 20-40mm and 5-20mm；
The fineness modulus of coarse sand is 2.5, and fine sand partial size is less than 0.315mm, and water absorption rate is between 2-5%；
The fine aggregate includes each ingredient of following weight proportion: 5-10 parts of flyash, 5-10 parts of zeolite powder and vessel slag 5-10
Part.
9. a kind of building walls construction preparation method of concrete, which comprises the steps of:
Step S1: it is spare that light filler, poly carboxylic acid series water reducer, activator and other additives are prepared；
Step S2: cement, mixing rubble, coarse sand, fine sand, shraff, discarded concrete and fine aggregate and suitable quantity of water are mixed
It closes uniformly, basic slurry needed for concrete is made；
Step S3: composite fibre, ethylene glycol monobutyl ether, silicone oil being added into slurry obtained by step S2, and high temperature is uniformly mixed；
Step S4: aeroge, light filler, foaming agent are uniformly mixed with suitable quantity of water room temperature；
Step S5: step S3 and step S4 acquired solution are mixed, while poly carboxylic acid series water reducer, activator and other outer is added
Add agent, stirs evenly up to concrete.
10. building walls construction preparation method of concrete as claimed in claim 9, which is characterized in that the polycarboxylic acids
The preparation method of based water reducer includes the following steps:
Step S11: sodium tetraborate, glucose are received and are uniformly mixed with deionized water；
Step S12: carbon fiber being added into step S11 acquired solution, and ultrasonication 20 minutes under high temperature are heated to boiling
Afterwards, methacrylic acid and aqueous polyurethane are added while stirring, obtains poly carboxylic acid series water reducer；
The preparation method of the light filler includes the following steps:
Step S1a: precipitated calcium carbonate, diatomite and deionized water are mixed, stirred evenly, wherein precipitated calcium carbonate and diatom
The total content of soil and the mass ratio of deionized water are between 1:1-1:2；
Step S1b: step S1 resulting solution being added to 70-80 degrees Celsius, adds light ceramics after mixing evenly, is slowly dropped
Temperature.
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| CN112897931A (en) * | 2021-02-04 | 2021-06-04 | 天津住建混凝土有限公司 | Concrete synergist and preparation method thereof |
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