CN108424171A - A kind of preparation method of mixing aggregate lightweight concrete - Google Patents
A kind of preparation method of mixing aggregate lightweight concrete Download PDFInfo
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- CN108424171A CN108424171A CN201810564010.6A CN201810564010A CN108424171A CN 108424171 A CN108424171 A CN 108424171A CN 201810564010 A CN201810564010 A CN 201810564010A CN 108424171 A CN108424171 A CN 108424171A
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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
- C04B2111/40—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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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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 application provides a kind of preparation method of mixing aggregate lightweight concrete, including：Following powder body material is added into cement according to cement quality percentage：0.4% 0.8% sodium methyl silicate, 0.05% 0.15% hydroxypropyl methyl cellulose, 5% 10% silicon ash are uniformly mixed, obtain powder mixture.Water is added into powder mixture, continues stirring until evenly dispersed, obtains cement suspension.0.1% 0.3% compound density agent is added into cement suspension, obtains modified cement suspension.Granular polystyrene and glass bead are uniformly mixed, mixing lightweight aggregate is obtained.Mixing lightweight aggregate is added in modified cement suspension, is uniformly mixed, mixing aggregate lightweight concrete is obtained.The concrete with mobility is prepared with granular polystyrene and glass bead mixing aggregate; a kind of avoidable aglite floating lamination is provided; improve physical stability; while being conducive to constructing operation and pumping; manufacturing cost can be reduced, the lightweight concrete preparation method of elasticity modulus and physical strength is promoted.
Description
Technical field
The present invention relates to structure material manufacture technology field more particularly to a kind of preparations of mixing aggregate lightweight concrete
Method.
Background technology
Increase as civil buildings consume energy, lightweight aggregate concrete is in building field using more and more extensive, and people are to light bone
Material concrete material requires also to be continuously improved.A series of superior features such as lightweight aggregate concrete lightweight, thermal coefficient be low are being built
Material market is built increasingly to be favored by everybody.
Lightweight aggregate concrete is in preparation process, such as polyphenyl lightweight concrete, since lightweight aggregate has hydrophobicity and lazy
Property chemical property, aggregate is easy to float when such particles of aggregates and cement mixing, finally occur the ratio of mud it is big when water be easy analysis
Go out, and the problems such as the forfeiture of ratio of mud hour poor fluidity, influence the performance of lightweight concrete.In the prior art mainly by light
Matter aggregate is modified, and to improve its compatibility performance with cement, obtains the concrete that performance is stablized, however due to certain pure light
Matter aggregate cost itself is higher, such as granular polystyrene lightweight aggregate, the Cost of Concrete higher prepared after being modified to it, and also it is mixed
The physical strength and elasticity modulus for coagulating soil still need to be further improved.Therefore, it is badly in need of a kind of technology of preparing of lightweight concrete,
Solve aglite and cement mixing easily floating lamination problem while, the concrete of preparation has lower cost, higher
Physical and mechanical property.
Invention content
This application provides a kind of preparation methods of mixing aggregate lightweight concrete, to solve how to avoid aglite
While rising phenomenon easy with cement mixing, the problem of reducing Cost of Concrete, promote Physical And Mechanical Properties of Concrete.
A kind of preparation method of mixing aggregate lightweight concrete, including：
Following powder body material is added into cement according to cement quality percentage：The sodium methyl silicate of 0.4%-0.8%,
The hydroxypropyl methyl cellulose of 0.05%-0.15%, the silicon ash of 5%-10%, is uniformly mixed, and obtains powder mixture；
Water is added into the powder mixture, continues stirring until evenly dispersed, obtains cement suspension；
The compound density agent of 0.1%-0.3% is added into the cement suspension, obtains modified cement suspension；
Granular polystyrene and glass bead are uniformly mixed, mixing lightweight aggregate is obtained；
The mixing lightweight aggregate is added in the modified cement suspension, is uniformly mixed, it is light to obtain mixing aggregate
Matter concrete.
Optionally, the volume ratio of the granular polystyrene and the glass bead is：1:2、1:3 or 1:4.
Optionally, when preparing different unit weight concrete, the setting ratio of mud is fallen in the critical section of the ratio of mud.
Optionally, the compound density agent includes：One in compound density agent 1, compound density agent 2 and compound density agent 3
Kind；
Wherein, the compound density agent 1 is by 0.05% triethanolamine, 0.5% sodium chloride and 1% sodium nitrite composition, institute
Compound density agent 2 is stated by 1% iron chloride, 2% frerrous chloride composition, the compound density agent 3 is by 5% aluminum sulfate, 2% sulfuric acid
Iron, 2% ferrous sulfate, 3% magnesium sulfate composition.
Optionally, the cement includes 425 or 525 cement, and the dry volume density of the lightweight concrete is 250~
600kg/cm3。
Technical solution provided by the present application includes following advantageous effects：
The application provides a kind of preparation method of mixing aggregate lightweight concrete, uses the mixed of granular polystyrene and glass bead
Conjunction object is aglite, adjusts medium viscosity and interface film character by the effect of density agent, cement granules is made to suspend in water,
To mixing with aglite in suspension evenly, avoids aglite in concrete preparation process and easily float layering
The phenomenon that.In addition, compared with pure granular polystyrene lightweight concrete, with lightweight concrete prepared by granular polystyrene and glass bead,
The elasticity modulus and physical strength of concrete can be improved in addition with lower cost, while glass bead.Therefore, this Shen
It please provide a kind of avoidable aglite and cement mixing easily to float lamination, improve physical stability, be conducive to construction behaviour
While making and pump, manufacturing cost can be reduced, the lightweight concrete preparation method of physical and mechanical property is promoted.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other drawings may also be obtained based on these drawings.
The ratio of mud figure of concrete when Fig. 1 is different unit weights provided by the embodiments of the present application；
Fig. 2 is provided by the embodiments of the present application when with glass bead being main aggregate, different polyphenyl and glass bead volume
The cost compares figure of different unit weight concrete under ratio；
Fig. 3 is provided by the embodiments of the present application when with polyphenyl being main aggregate, different polyphenyl and glass bead volume ratio
The cost compares figure of lower difference unit weight concrete；
Fig. 4 is the critical ratio of mud curve that different unit weight lightweight concretes provided by the embodiments of the present application realize self-compaction
Figure.
Specific implementation mode
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will by embodiment into
Row detailed description.
The application provides a kind of preparation method of mixing aggregate lightweight concrete, including following step：
S101：Following powder body material is added into cement according to cement quality percentage：The methane-siliconic acid of 0.4%-0.8%
Sodium, the hydroxypropyl methyl cellulose of 0.05%-0.15%, the silicon ash of 5%-10% are uniformly mixed, and obtain powder mixing
Material.
Sodium methyl silicate has good penetrant crystalline, the silicon in silanol group and silicate material in molecular structure
Alcohol radical reacts dehydrated crosslinking, to realize that " anti-capillary effect " forms excellent water-repellent layer, while having microdilatancy, increase close
The function of solidity.The water resistance and density for contributing to enhancing concrete, make the whole water absorption rate of concrete decline, and improve mixed
The durability of soil is coagulated, working performance of the concrete under water environment is improved.
Hydroxypropyl methyl cellulose can be used as the water-retaining agent and retarder of cement mortar, improve the pumping of concrete.
Silicon ash is conducive to enhance the density of texture and intensity of concrete, and silicon ash used is in chemical property in the embodiment of the present application
Upper major requirement is：SiO2Content >=85%, loss on ignition≤6%, moisture content≤3%, specific surface area >=15000m2/ kg, volcano
Grey activity index >=85%~90%.Above-mentioned substance is mixed with cement, helps to improve the closely knit of the concrete of preparation
Property and water proofing property.
S102：Water is added into powder mixture, continues stirring until evenly dispersed, obtains cement suspension.
The amount of added water can be calculated by the ratio of mud, controllable by changing the ratio of mud and polymeric additive ratio
The kinematic coefficient of viscosity of cement granules suspension, and under the critical coefficient of viscosity, aglite particle is added in the suspension
Afterwards, particles of aggregates is in suspended state in this suspension, convenient for being uniformly mixed with the concrete with mobility.For just
In site operation blanking, using different unit weights as variable quantity, the value of ratio of mud when having investigated different unit weights.
Referring to FIG. 1, the figure shows the ratio of mud figure of concrete when different unit weights provided by the embodiments of the present application, so as to
In site operation blanking.In the embodiment of the present application, the cement of 10kg is weighed, the amount of the water of addition is 3-5L.It needs to illustrate
It is that water must be added at one time in powder mixture.Blender used in lasting stirring should have larger circulation ability, and
With higher shear ability.Specifically, the type of blender is not restricted in this application, those skilled in the art can basis
Actual service condition is selected.It is helical-ribbon type or screw blender that blender is used in the embodiment of the present application, if stirred
It is horizontal to mix device, then spiral agitator can generate effective horizontal shear cycle when stirring, and have good mixed effect；Such as
Fruit is vertical stirrer, and selection can generate the blender of effective upper down cut cycle.
S103：The compound density agent of 0.1%-0.3% is added into cement suspension, obtains modified cement suspension.
The effect of the compound density agent is to adjust medium viscosity or interface film character, hinders cement granules close to gluing simultaneously, makes
Cement granules are in stable suspersion state in water.By changing the also controllable cement granules of the ratio of mud and polymeric additive ratio
The kinematic coefficient of viscosity of suspension, under the critical coefficient of viscosity, after aglite particle is added in the suspension, particles of aggregates
It is in suspended state in this suspension, the lightweight aggregate concrete in non-Newtonian plastic fluid can be prepared in this approach.
S104：Granular polystyrene and glass bead are uniformly mixed, mixing lightweight aggregate is obtained.
It is obtained respectively in the embodiment of the present application with glass bead as main aggregate, granular polystyrene and glass bead volume
Than being 1:1、1:2、1:3、1:4 mixing lightweight aggregate；And with granular polystyrene for main aggregate, granular polystyrene and glass bead body
Product is than being 2:1、3:1、4:1 mixing lightweight aggregate.
S105：Mixing lightweight aggregate is added in modified cement suspension, is uniformly mixed, it is mixed to obtain mixing aggregate lightweight
Solidifying soil.
The concrete of different unit weights is prepared, the volume of required lightweight aggregate is different, and different unit weight sending down the fishbones can be calculated by formula
The volume of material, formula proving are as follows：
By taking side's concrete as an example, side's concrete density is denoted as M, kg/m3, wherein
mCement+mAggregate=M (1)
VCement+VAggregate=1 (2)
By mCement=ρCement·VCement, mAggregate=ρAggregate·VAggregateSubstitution formula (1)
ρCement·VCement+ρAggregate·VAggregate=M (3)
V is known by (2) formulaCement=1-VAggregate, substitute into formula (3) and obtain
ρCement(1-VAggregate)+ρAggregate·VAggregate=M (4)
Have after being arranged to formula (4) transposition：
ρCement-ρCement·VAggregate+ρAggregate·VAggregate=M (5)
Have after merging similar terms：
ρCement-(ρCement-ρAggregate)VAggregate=M (6)
Formula (7) is the volume of aggregate in side's concrete, is m ' for qualityCementCement, aggregate volume VBone′MaterialFor：
And mCement=M- ρAggregate·VAggregate, substitute into (9) formula：
(7) formula is substituted into (10) formula, after arrangement, it is m ' to obtain qualityCementCement corresponding to aggregate volume VBone′MaterialFor：
Volume is sum of the two after assuming aggregate and cement mixing in the derivation of this formula, and there is any discrepancy with reality for this,
In order to investigate most common situation, formula (2) is changed to：
VAggregate+VCement=ξ (12)
In formula：ξ is two kinds of mixed volumes of aggregate in side's concrete, therefore 0 ξ≤1 ＜, unit m3, the introducing reality of ξ
Volume is the amendment of sum of the two after being equivalent to pair hypothesis mixing on border, and concrete numerical value is by measuring.
In this way, repeating the derivation of above formula, last (11) formula is rewritten as：
The ξ in formula (13) can be modified according to test data.In the derivation of this formula assume aggregate and
Volume is sum of the two after cement mixing, and there is any discrepancy with reality for this, can be modified to this formula according to test data.According to
Formula can calculate under different unit weights, the volume of the lightweight aggregate of addition, convenient for the Planning Materials of Constrution at scene.
After granular polystyrene and glass bead are sufficiently mixed, it is added in modified cement suspension, light bone
Material can be mixed adequately with cement in suspension.It avoids cement and mixes easy the phenomenon that floating with aglite, can obtain
The mixing aggregate lightweight concrete that physical characteristic is stablized is obtained, constructing operation and pumping are convenient for；And there is good mobility, it can be real
Present any position cast in situs of building, construction it is simple for process.
In addition, compared with pure granular polystyrene lightweight concrete, due to the property of glass bead itself, the mixing of glass bead
The elasticity modulus that concrete can be improved is added, while the intensity of concrete also can be improved, promotes the physical mechanics of lightweight concrete
Performance.The higher price of granular polystyrene simultaneously, and the incorporation of glass bead, can effectively reduce the cost of polyphenyl concrete, carry
The high practicability of concrete.There is provided a kind of avoidable aglite and cement mixing easily floating lamination while, reduce
Manufacturing cost promotes the lightweight concrete preparation method of physical and mechanical property.
In the embodiment of the present application, it using the preparation method of mixing aggregate lightweight concrete provided by the present application, makes respectively
For the lightweight concrete of different proportion mixing aggregate under different unit weights, and calculate its cost.Specifically, costing formula pushes away
It leads as follows：
By taking side's concrete as an example, side's concrete density is denoted as M, kg/m3, wherein
mCement+mAggregate=M (14)
VCement+VAggregate=1 (15)
It willSubstitution formula (15)：
Formula (16) can be rewritten as：
ρAggregate·mCement+ρCement·mAggregate=ρAggregate·ρCement (17)
M is known by (14) formulaAggregate=M-mCement, substitute into formula (17) and obtain：
ρAggregate·mCement+ρCement·(M-mCement)=ρAggregate·ρCement (18)
Have after being arranged to formula (18) transposition：
mCement(ρAggregate-ρCement)=ρAggregate·ρCement-ρCement·M (19)
Remember that the price of cement and aggregate is respectively kCement、kAggregate, then the cost P of aggregate and cement is in side's concrete：
P=kCement·mCement+kAggregate·mAggregate (21)
Have after arrangement：
P=kCement·mCement+kAggregate(M-mCement)=kCement·mCement+kAggregate·M-kAggregate·mCement=(kCement-kAggregate)mCement+kAggregate·M (22)
(20) formula is substituted into (22) formula：
Volume is sum of the two after assuming aggregate and cement mixing in the derivation of this formula, and there is any discrepancy with reality for this,
In order to investigate most common situation, formula (15) is changed to：
VAggregate+VCement=ξ (24)
In formula：ξ is two kinds of mixed volumes of aggregate in side's concrete, therefore 0 ξ≤1 ＜, unit m3, the introducing reality of ξ
Volume is the amendment of sum of the two after being equivalent to pair hypothesis mixing on border, and concrete numerical value is by measuring.
In this way, repeating the derivation of above formula, last (23) formula is rewritten as.
The ξ in formula (12) can be modified according to test data.Wherein,
Weight of trying to please is 200,300,400,500,600,700,800,900,1000,1200,1300kg/m3, can obtain
Per the pure material cost of side's concrete when different unit weights.
Attached drawing 2 is please referred to, the figure shows provided by the embodiments of the present application with glass bead when being main aggregate, and difference is poly-
The cost compares figure of benzene unit weight concrete different under glass bead volume ratio.Curve is followed successively by polyphenyl from top to bottom in figure
The volume ratio of grain and glass bead is 1:1、1:2、1:3、1:4, as seen from the figure, mixed with glass bead and granular polystyrene
When lightweight aggregate, the lightweight concrete cost of preparation is significantly lower than granular polystyrene concrete.
Please refer to attached drawing 3, the figure shows it is provided by the embodiments of the present application with polyphenyl be main aggregate when, different polyphenyl with
The cost compares figure of different unit weight concrete under glass bead volume ratio.In figure curve be followed successively by from the bottom up granular polystyrene with
The volume ratio of glass bead is 1:1、2:1、3:1、4:1, as seen from the figure, the cost of mixing aggregate lightweight concrete is less than pure
Granular polystyrene concrete shows that the incorporation of glass bead can effectively reduce the cost of concrete.
When preparing the lightweight concrete of polyphenyl and glass bead mixing aggregate, cement is weighed first, is added into cement
The sodium methyl silicate of 0.4%-0.8%, the hydroxypropyl methyl cellulose of 0.05%-0.15%, the silicon ash of 5%-10%, stirring are mixed
After closing uniformly, powder mixture is obtained.According to the required unit weight for preparing concrete, the ratio of mud under the unit weight is obtained, according to water
Gray scale obtains the amount that water need to be added, and water is added at one time in powder mixture, continues stirring until evenly dispersed, and it is outstanding to obtain cement
Supernatant liquid.The compound density agent of 0.1%-0.3% is added into cement suspension, obtains modified cement suspension.According to calculating
Aglite is added in modified cement suspension, is uniformly mixed, obtains lightweight concrete by the amount of the lightweight aggregate arrived.
Optionally, the volume ratio of granular polystyrene and glass bead is 1:2、1:3 or 1:4.
In conjunction with attached drawing 2 and attached drawing 3 it is found that when being main aggregate with glass bead, the cost of aggregate lightweight concrete is mixed
Less than with the mixing light concrete that granular polystyrene is main aggregate, also it is significantly lower than using pure polyphenyl as the lightweight coagulation of aggregate
Soil, when the volume ratio of granular polystyrene and glass bead is 1:2、1:3 or 1:When 4, the cost of concrete is relatively low, and obtained coagulation
The elasticity modulus and intensity of soil are preferable.
Optionally, when preparing different unit weight concrete, the setting ratio of mud is fallen in the critical section of the ratio of mud.When the ratio of mud is fallen
Enter in the critical section of the ratio of mud, then the self-compaction of concrete can be achieved.The ratio of mud crosses the precipitation that conference causes water, and the ratio of mud is too small
Poor fluidity can be caused, the self-compaction of concrete can be realized by adjusting the suitable ratio of mud, without vibrating, help to add
Fast speed of application, lifting construction efficiency.
Attached drawing 4 is please referred to, the figure shows different unit weight lightweight concretes provided by the embodiments of the present application to realize self-compaction
Critical ratio of mud curve graph.
Using the unit weight of concrete as variable quantity in the embodiment of the present application, the critical ash that concrete realizes Self-leveling has been probed into
Than condition, the critical ratio of mud curve graph that concrete under different unit weights realizes self-compaction is obtained.Self-compaction is realized under different unit weights
The ratio of mud on the section that is formed of critical curve and lower critical curve, for the critical section of the ratio of mud of self-compaction, i.e. Fig. 4 can be achieved
In zonal distribution section a.Under a certain unit weight, the ratio of mud is fallen in this interval range, and obtained concrete can be realized from close
It is real, without vibrating, it is applicable to the filling of small space, expands the scope of application of concrete.
Optionally, compound density agent includes：One kind in compound density agent 1, compound density agent 2 and compound density agent 3.
Wherein, compound density agent 1 is by 0.05% triethanolamine, 0.5% sodium chloride and 1% sodium nitrite composition, compound increasing
It is made of 1% iron chloride, 2% frerrous chloride for close dose 2, compound density agent 3 is by 5% aluminum sulfate, 2% ferric sulfate, 2% sulfuric acid Asia
Iron, 3% magnesium sulfate composition.
Optionally, cement includes 425 or 525 cement, and the dry volume density of lightweight concrete is 250~600kg/cm3.Make
With the higher cement of label, ensure that concrete has good intensity.
The application provides a kind of preparation method of mixing aggregate lightweight concrete, uses the mixed of granular polystyrene and glass bead
Conjunction object is aglite, adjusts medium viscosity and interface film character by the effect of density agent, cement granules is made to suspend in water,
To mixing with aglite in suspension evenly, avoids aglite in concrete preparation process and easily float layering
The phenomenon that.In addition, compared with existing pure granular polystyrene lightweight concrete, it is mixed with lightweight prepared by granular polystyrene and glass bead
Solidifying soil, has lower cost, while the elasticity modulus and physical strength of concrete can be improved in the addition of glass bead.Cause
This, the application provides a kind of avoidable aglite and cement mixing and easily floats lamination, improves physical stability, is conducive to
While constructing operation and pumping, manufacturing cost can be reduced, the lightweight concrete preparation method of physical and mechanical property is promoted.
It should be noted that such as the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include but also include not bright so that article or equipment including a series of elements include not only those elements
The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that including the element process,
There is also other identical elements in method, article or equipment.
The above is only the specific implementation mode of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (5)
1. a kind of preparation method of mixing aggregate lightweight concrete, which is characterized in that including：
Following powder body material is added into cement according to cement quality percentage：The sodium methyl silicate of 0.4%-0.8%,
The hydroxypropyl methyl cellulose of 0.05%-0.15%, the silicon ash of 5%-10%, is uniformly mixed, and obtains powder mixture；
Water is added into the powder mixture, continues stirring until evenly dispersed, obtains cement suspension；
The compound density agent of 0.1%-0.3% is added into the cement suspension, obtains modified cement suspension；
Granular polystyrene and glass bead are uniformly mixed, mixing lightweight aggregate is obtained；
The mixing lightweight aggregate is added in the modified cement suspension, is uniformly mixed, it is mixed to obtain mixing aggregate lightweight
Solidifying soil.
2. a kind of preparation method of mixing aggregate lightweight concrete according to claim 1, which is characterized in that the polyphenyl
The volume ratio of particle and the glass bead is 1:2、1:3 or 1:4.
3. a kind of preparation method of mixing aggregate lightweight concrete according to claim 1, which is characterized in that prepare different
When unit weight concrete, the setting ratio of mud is fallen in the critical section of the ratio of mud.
4. a kind of preparation method of mixing aggregate lightweight concrete according to claim 1, which is characterized in that described compound
Density agent includes：One kind in compound density agent 1, compound density agent 2 and compound density agent 3；
Wherein, the compound density agent 1 is described multiple by 0.05% triethanolamine, 0.5% sodium chloride and 1% sodium nitrite composition
Density agent 2 being closed by 1% iron chloride, 2% frerrous chloride composition, the compound density agent 3 is by 5% aluminum sulfate, 2% ferric sulfate, and 2%
Ferrous sulfate, 3% magnesium sulfate composition.
5. a kind of preparation method of mixing aggregate lightweight concrete according to claim 1, which is characterized in that the cement
Including 425 or 525 cement, the dry volume density of the mixing aggregate lightweight concrete is 250~600kg/cm3。
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007580A (en) * | 2016-05-25 | 2016-10-12 | 陈静波 | Preparation method of light-weight self-closing anti-seepage freeze-resistant polystyrene particle concrete |
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2018
- 2018-06-04 CN CN201810564010.6A patent/CN108424171A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007580A (en) * | 2016-05-25 | 2016-10-12 | 陈静波 | Preparation method of light-weight self-closing anti-seepage freeze-resistant polystyrene particle concrete |
Non-Patent Citations (1)
| Title |
|---|
| 刘炯宇等: "《建筑工程材料》", 28 February 2015, 重庆大学出版社 * |
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