CN110451911A - A kind of flooring keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar - Google Patents
A kind of flooring keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar Download PDFInfo
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- CN110451911A CN110451911A CN201910863005.XA CN201910863005A CN110451911A CN 110451911 A CN110451911 A CN 110451911A CN 201910863005 A CN201910863005 A CN 201910863005A CN 110451911 A CN110451911 A CN 110451911A
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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
- C04B28/14—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 calcium sulfate 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
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
-
- 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
- C04B2201/10—Mortars, concrete or artificial stone characterised by specific physical values for the viscosity
-
- 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
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Floor Finish (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to building material technical fields, and disclose the preparation method that a kind of flooring keeps the temperature levelling integrated gravity flowing levelling mortar, comprising the following steps: S1, obtain raw material, cementitious material 21-32%, aggregate, content 55-75%；Mineral admixture is 11%-20%, additive 3%-5%.S2, each component material for preparing the mortar (cementitious material, aggregate, mineral admixture, additive) is weighed according to the ratio, it is dry-mixed abundant.S3, flooring basal plane is handled, clears away floating ash.The present invention has the characteristics that good comprehensive mechanical property: mobility is good, curing time is short, intensity is high, surfacing, contraction distortion is small, adhesion strength is high, at low cost, 1d compression strength has reached 7MPa, 28d has reached 27MPa, fully meets the requirement that flooring is constructed to gravity flowing levelling mortar early strength；Initial flow degree is more than 300mm, and 20min fluidity has no too big variation, by the observation to gravity flowing levelling mortar is newly mixed, without isolation excreting water phenomenon, and uniform color.
Description
Technical field
The present invention relates to building material technical field, specially a kind of flooring keeps the temperature levelling integrated gravity flowing levelling mortar
Preparation method.
Background technique
China's architectural energy consumption in 2015 accounts for about the 20% of national energy consumption, building energy conservation development side important after being
To.For reduction architectural energy consumption, need to carry out the Insulation of building, it is really cool in summer and warm in winter to accomplish.China's building is protected at present
Warm measure is directed generally to inner-outer wall, roof, window etc., and that does in terms of the heat preservation of floor is less.Research shows that floor heat dissipation consumption
The 20% of house overall heat dissipation energy consumption can be accounted for about, heat preservation terrace can effectively reduce the heat dissipation on floor, improve the heat insulating ability in house
Energy.
Traditional artificial floor construction is that mattess dabbing then is carried out artificial levelling construction, with human cost
Continuous improvement, gravity flowing levelling mortar gradually has competitiveness in terms of economy.Gravity flowing levelling mortar is a kind of novel ground
Mortar material, is Automatic Levelling the characteristics of flowing by liquid, and rapid draing, is applied in operation through machinery pumping or manually
Work, by the mobility of slurry itself, automatic flowing forms flat surface, saves material compared to artificial floor leveling technique
Expect and artificial, shortens the construction period.The levelling integrated gravity flowing levelling mortar of flooring heat preservation, hardens rear foot sense snugness, also
With certain sound-and-fire proof effect, energy-saving and emission-reduction remarkable benefit, popularization and application foreground is wide.
Summary of the invention
The object of the present invention is to provide the preparation method that a kind of flooring keeps the temperature levelling integrated gravity flowing levelling mortar, with
Solve the problems mentioned above in the background art.
To achieve the above object, the invention provides the following technical scheme: a kind of levelling integrated Self-leveling of flooring heat preservation
The preparation method of mortar, comprising the following steps:
S1, raw material, cementitious material 21-32%, aggregate, content 55-75% are obtained；Mineral admixture is 11%-20%,
Additive is 3%-5%.
S2, each component material for preparing the mortar (cementitious material, aggregate, mineral admixture, additive) is claimed according to the ratio
It measures, it is dry-mixed abundant.
S3, flooring basal plane is handled, clears away floating ash, removes the place of hollowing and cracking, then processing of sprinkling water.
S4, to watertight interface layer brush permeability-reducing admixture 0.20mm or so.
S5, etc. permeability-reducing admixtures it is dry after, flooring is kept the temperature into levelling integrated gravity flowing levelling mortar, water stirring rifle is added to stir
7--9 minutes, foamed glue paster is set in the position of door opening, stops gravity flowing levelling mortar, carries out Self-leveling operation, falls down first
After bucket, mortar is shakeout with scraper, there is the tooth of 5mm on scraper, ensure that the thickness of bed course in future, it is complete with defoaming roller after shakeouing
Face is rolled one time, and standing etc. is dry.
S6, flooring keep the temperature gravity flow plane it is dry after, by cement-based self-leveling mortar plus water with 7-9 points of stirring of stirring rifle
Clock continues Self-leveling operation.
Preferably, cementitious material includes cement and building gypsum in S1, and aggregate is quartz sand, and mineral admixture includes fine coal
Ash, glass bead and silicon ash, additive include defoaming agent, water-reducing agent, dispersible latex, cellulose ether and anti-heavy agent.
Preferably, stirring container uses planetary stirring machine or horizontal mixer in S2, wherein planetary stirring machine
Drum speed (counterclockwise), (60 ± 2) r/min, stirring blade revolving speed (clockwise), (80 ± 4) r/min, horizontal mixer
The speed of mainshaft: (45 ± 5) r/min.
Preferably, aggregate quartz sand forms gradation according to the weight ratio of 1:1 by the quartz sand of 50-70 mesh and 70-140 mesh.
Preferably, polymer dispersion powder model " Wa Ke " one of 5010N or 5044N or combinations thereof, water-reducing agent is
Polycarboxylic acids powder water-reducing agent, water-retaining agent are hydroxypropyl methyl cellulose ether, range of viscosities 400000-80000mpa.s.
Preferably, building gypsum derives from the calcining of industry by-product gypsum (such as ardealite, fluorgypsum or desulfurized gypsum).
The present invention provides the preparation methods that a kind of flooring keeps the temperature levelling integrated gravity flowing levelling mortar.Have following beneficial
Effect:
(1), the present invention has good comprehensive mechanical property: mobility is good, curing time is short, intensity is high, surface is flat
Feature whole, contraction distortion is small, adhesion strength is high, at low cost, 1d compression strength have reached 7MPa, and 28d has reached 27MPa,
Fully meet the requirement that flooring is constructed to gravity flowing levelling mortar early strength；Initial flow degree is more than 300mm, and 20min flows
Dynamic degree has no too big variation, by the observation to gravity flowing levelling mortar is newly mixed, without isolation excreting water phenomenon, and and uniform color, due to
The air-entraining effect of polycarboxylic acid salt's water-reducing agent, so that fresh mortar generates internal more bubble, the admixture of defoaming agent, so that bubble
Evolution skin breakage rapidly, improves the workability of gravity flowing levelling mortar；Below also without obvious phenomenon.The a large amount of benefits of the present invention simultaneously
With ardealite and flyash, the large-scale application of industry by-product gypsum etc. can be driven, to greatest extent sharp useless, energy conservation, ring
It protects, not only energy saving but also turn waste into wealth, " energy-saving and emission-reduction ", " sustainable development " that active response country advocates meets " circulation
The principles and policies of economy " realize the high quality comprehensive utilization of solid waste resource；Thermal coefficient is low, good heat preservation performance, and it is total to facilitate building
Energy-saving.Flexural strength, compression strength are higher, have good mechanical property, can satisfy the use demand of Horizon；It shrinks
Rate is small, and the risk of floor empty drum cracking is effectively reduced, and reduces later maintenance cost.
Specific embodiment
Embodiment one:
A kind of flooring keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar, comprising the following steps:
S1, acquisition raw material, 18 parts of cement, 7 parts of building gypsums, 3.5 parts of flyash, 3.5 parts of silicon ashes, 15 parts of glass beads,
59 parts of aggregate, 0.22 part of defoaming agent, 0.25 part of water-reducing agent, 3 parts of latex can be dispersed, 0.003 part of cellulose ether, resist heavy agent 0.16
Part, cement model PII42.5 cement, compression strength 44.2MPa, the building gypsum presetting period is 7 minutes, and final setting time is
13 minutes, 2h flexural strength was 1.9MPa, and 2h compression strength is 4.1MPa, and flyash is 1 grade of ash.
S2, each component material for preparing the mortar (cementitious material, aggregate, mineral admixture, additive) is claimed according to the ratio
It measures, aggregate quartz sand forms gradation according to the weight ratio of 1:1 by the quartz sand of 50-70 mesh and 70-140 mesh, and it is dry-mixed abundant, it stirs
It mixes container and uses planetary stirring machine or horizontal mixer, wherein planetary stirring machine drum speed (counterclockwise), (60
± 2) r/min, stirring blade revolving speed (clockwise), (80 ± 4) r/min, the horizontal mixer speed of mainshaft: (45 ± 5) r/min,
Polymer dispersion powder model " Wa Ke " one of 5010N or 5044N or combinations thereof, water-reducing agent are polycarboxylic acids powder diminishing
Agent, water-retaining agent are hydroxypropyl methyl cellulose ether, and range of viscosities 400000-80000mpa.s, building gypsum is from industry pair
Produce the calcining of gypsum (such as ardealite, fluorgypsum or desulfurized gypsum).
S3, flooring basal plane is handled, clears away floating ash, removes the place of hollowing and cracking, then processing of sprinkling water.
S4, to watertight interface layer brush permeability-reducing admixture 0.20mm or so.
S5, etc. permeability-reducing admixtures it is dry after, flooring is kept the temperature into levelling integrated gravity flowing levelling mortar, water stirring rifle is added to stir
7--9 minutes, foamed glue paster is set in the position of door opening, stops gravity flowing levelling mortar, carries out Self-leveling operation, falls down first
After bucket, mortar is shakeout with scraper, there is the tooth of 5mm on scraper, ensure that the thickness of bed course in future, it is complete with defoaming roller after shakeouing
Face is rolled one time, and standing etc. is dry.
S6, flooring keep the temperature gravity flow plane it is dry after, by cement-based self-leveling mortar plus water with 7-9 points of stirring of stirring rifle
Clock continues Self-leveling operation.
Embodiment two:
S1, acquisition raw material, 22 parts of ordinary portland cements, 8 parts of phosphorus building gypsums, 6.5 parts of flyash, 1.5 parts of silicon ashes, 12
55 parts of fine aggregate river sand, 0.16 part of defoaming agent, 0.22 part of water-reducing agent, 2 parts of latex, cellulose ether can be dispersed in part glass bead
0.002 part, resist heavy 0.12 part of agent, cement model PII42.5 cement, compression strength 44.2MPa, when building gypsum initial set
Between be 7 minutes, final setting time be 13 minutes, 2h flexural strength be 1.9MPa, 2h compression strength be 4.1MPa, flyash be 1 grade
Ash.
S2, each component material for preparing the mortar (cementitious material, aggregate, mineral admixture, additive) is claimed according to the ratio
It measures, aggregate quartz sand forms gradation according to the weight ratio of 1:1 by the quartz sand of 50-70 mesh and 70-140 mesh, and it is dry-mixed abundant, it stirs
It mixes container and uses planetary stirring machine or horizontal mixer, wherein planetary stirring machine drum speed (counterclockwise), (60
± 2) r/min, stirring blade revolving speed (clockwise), (80 ± 4) r/min, the horizontal mixer speed of mainshaft: (45 ± 5) r/min,
Polymer dispersion powder model " Wa Ke " one of 5010N or 5044N or combinations thereof, water-reducing agent are polycarboxylic acids powder diminishing
Agent, water-retaining agent are hydroxypropyl methyl cellulose ether, and range of viscosities 400000-80000mpa.s, building gypsum is from industry pair
Produce the calcining of gypsum (such as ardealite, fluorgypsum or desulfurized gypsum).
S3, flooring basal plane is handled, clears away floating ash, removes the place of hollowing and cracking, then processing of sprinkling water.
S4, to watertight interface layer brush permeability-reducing admixture 0.20mm or so.
S5, etc. permeability-reducing admixtures it is dry after, flooring is kept the temperature into levelling integrated gravity flowing levelling mortar, water stirring rifle is added to stir
7--9 minutes, foamed glue paster is set in the position of door opening, stops gravity flowing levelling mortar, carries out Self-leveling operation, falls down first
After bucket, mortar is shakeout with scraper, there is the tooth of 5mm on scraper, ensure that the thickness of bed course in future, it is complete with defoaming roller after shakeouing
Face is rolled one time, and standing etc. is dry.
S6, flooring keep the temperature gravity flow plane it is dry after, by cement-based self-leveling mortar plus water with 7-9 points of stirring of stirring rifle
Clock continues Self-leveling operation.
Embodiment three:
S1, acquisition raw material, 20 parts of ordinary portland cements, 10 parts of phosphorus building gypsums, 7.5 parts of flyash, 2 parts of silicon ashes, 16
65 parts of fine aggregate river sand, 0.15 part of defoaming agent, 0.24 part of water-reducing agent, 2 parts of latex, cellulose ether can be dispersed in part glass bead
0.003 part, resist heavy 0.16 part of agent, cement model PII42.5 cement, compression strength 44.2MPa, when building gypsum initial set
Between be 7 minutes, final setting time be 13 minutes, 2h flexural strength be 1.9MPa, 2h compression strength be 4.1MPa, flyash be 1 grade
Ash.
S2, each component material for preparing the mortar (cementitious material, aggregate, mineral admixture, additive) is claimed according to the ratio
It measures, aggregate quartz sand forms gradation according to the weight ratio of 1:1 by the quartz sand of 50-70 mesh and 70-140 mesh, and it is dry-mixed abundant, it stirs
It mixes container and uses planetary stirring machine or horizontal mixer, wherein planetary stirring machine drum speed (counterclockwise), (60
± 2) r/min, stirring blade revolving speed (clockwise), (80 ± 4) r/min, the horizontal mixer speed of mainshaft: (45 ± 5) r/min,
Polymer dispersion powder model " Wa Ke " one of 5010N or 5044N or combinations thereof, water-reducing agent are polycarboxylic acids powder diminishing
Agent, water-retaining agent are hydroxypropyl methyl cellulose ether, and range of viscosities 400000-80000mpa.s, building gypsum is from industry pair
Produce the calcining of gypsum (such as ardealite, fluorgypsum or desulfurized gypsum).
S3, flooring basal plane is handled, clears away floating ash, removes the place of hollowing and cracking, then processing of sprinkling water.
S4, to watertight interface layer brush permeability-reducing admixture 0.20mm or so.
S5, etc. permeability-reducing admixtures it is dry after, flooring is kept the temperature into levelling integrated gravity flowing levelling mortar, water stirring rifle is added to stir
7--9 minutes, foamed glue paster is set in the position of door opening, stops gravity flowing levelling mortar, carries out Self-leveling operation, falls down first
After bucket, mortar is shakeout with scraper, there is the tooth of 5mm on scraper, ensure that the thickness of bed course in future, it is complete with defoaming roller after shakeouing
Face is rolled one time, and standing etc. is dry.
S6, flooring keep the temperature gravity flow plane it is dry after, by cement-based self-leveling mortar plus water with 7-9 points of stirring of stirring rifle
Clock continues Self-leveling operation.
Experimental example:
When the fluidity of measurement heat preservation Self-leveling:
A1, agitated kettle, paddle, glass plate and circle mould inner wall are soaked in advance；
After heat preservation Self-leveling after A2, stirring fills round mould, slurry Ying Yuyuan mould is suitable for reading neat；
A3, heat preservation Self-leveling slurry should be allowed to flow freely under the conditions of undisturbed until stopping after lifting round mould, uses slide calliper rule
Measurement bottom surface maximally diffuses the diameter of diameter and its vertical direction；
A4, average value is calculated, test result should be accurate to 1mm, and record data；
The measurement of compression strength, coefficient of softing, volume water absorption rate:
B1, flooring heat preservation Self-leveling should be put into interior for 24 hours in advance.
B2, the mixture of preparation is once filled to 70.7mm × 70.7mm × 70.7mm band bottom die trial, and is slightly above it
Upper surface does not destroy its heat preserving aggregate as far as possible, and the mixture of the raised area is pruned floating along die trial top surface.
After B3, sample production, is covered with polyethylene film, demould, continue with polyethylene film packet after conserving (48 ± 2) h
Maintenance is wrapped up in 14d, removes membrane curing to 28d.
B4, the measurement for respectively taking 6 pieces of samples progress coefficient of softing, volume water absorption rate；6 samples after examining dry density carry out
Compressive strength test.
Thermal coefficient test:
Testing mean temperature is 25 DEG C, and the cold-hot plate temperature difference is 20 DEG C.
C1, it is that 300mm × 300mm × 30mm metal test mould is individually placed on glass plate by cavity size, uses release agent
Slurry is successively filled it up with and is slightly higher than die trial, then smoothed out with trowel by brushing die trial inner wall and glass plate, and 2 samples are made；
C2, it is covered with polyethylene film, is demoulded after conserving (48 ± 2) h, continue to be conserved with polyethylene film package to 14d,
Remove membrane curing to 28d, then sample is put at a temperature of (80 ± 3) DEG C to drying to constant weight, taking-up is put into drier
It is cooled to room temperature spare.The criterion of constant weight is that constant temperature 3h weighs the mass change of sample less than 0.2% twice.
The measurement of tensile bond strength:
By the regulation of 10.0.3 item in existing professional standard " building mortar basic performance tests method standard " JGJ/T70,
Prepare substrate cement mortar block.Tensile bond strength sample presses existing professional standard " building mortar basic performance tests method mark
It is quasi- " the 1st section of 10.0.5 articles in JGJ/T70, the 2nd section of regulation preparation, wherein molding thickness is 6.0mm, every group of 6 samples.Examination
Sample is covered with polyethylene film, maintenance to 7d, is removed film and is continued maintenance to 14d.
Volume water absorption rate:
Volume water absorption rate is carried out by the regulation of existing national standards " inorganic hard insulating product test method " GB/T5486
Measurement, soaking time 8h, test result are the arithmetic mean of instantaneous value of 6 pieces of samples.
Performance standard is as shown in the table:
The experimental results are shown inthe following table:
It can to sum up obtain, the present invention has good comprehensive mechanical property: mobility is good, curing time is short, intensity is high, table
The feature that face is smooth, contraction distortion is small, adhesion strength is high, at low cost, 1d compression strength have reached 7MPa, and 28d reaches
27MPa fully meets the requirement that flooring is constructed to gravity flowing levelling mortar early strength；Initial flow degree more than 300mm, and
20min fluidity has no too big variation, and by the observation to gravity flowing levelling mortar is newly mixed, without isolation excreting water phenomenon, and color is equal
It is even, due to the air-entraining effect of polycarboxylic acid salt's water-reducing agent, so that fresh mortar generates internal more bubble, the admixture of defoaming agent,
So that bubble escapes rapidly skin breakage, the workability of gravity flowing levelling mortar is improved；Below also without obvious phenomenon.This hair simultaneously
It is bright that ardealite and flyash largely is utilized, the large-scale application of industry by-product gypsum etc. can be driven, to greatest extent benefit it is useless,
Energy-saving and environmental protection, not only energy saving but also turn waste into wealth, " energy-saving and emission-reduction ", " sustainable development " that active response country advocates, symbol
The principles and policies of " circular economy " are closed, realize the high quality comprehensive utilization of solid waste resource；Thermal coefficient is low, good heat preservation performance, helps
In architectural complex energy conservation.Flexural strength, compression strength are higher, have good mechanical property, can satisfy the use of Horizon
Demand；Shrinking percentage is small, and the risk of floor empty drum cracking is effectively reduced, and reduces later maintenance cost.
Claims (6)
1. the preparation method that a kind of flooring keeps the temperature levelling integrated gravity flowing levelling mortar, comprising the following steps:
S1, raw material, cementitious material 21-32%, aggregate, content 55-75% are obtained；Mineral admixture is 11%-20%, addition
Agent is 3%-5%；
S2, each component material for preparing the mortar (cementitious material, aggregate, mineral admixture, additive) is weighed according to the ratio,
It is dry-mixed abundant；
S3, flooring basal plane is handled, clears away floating ash, removes the place of hollowing and cracking, then processing of sprinkling water；
S4, to watertight interface layer brush permeability-reducing admixture 0.20mm or so；
S5, etc. permeability-reducing admixtures it is dry after, flooring is kept the temperature into levelling integrated gravity flowing levelling mortar, water stirring rifle is added to stir 7--9
Minute, foamed glue paster is set in the position of door opening, stops gravity flowing levelling mortar, carries out Self-leveling operation, is fallen down after first barrel,
Mortar is shakeout with scraper, there is the tooth of 5mm on scraper, ensure that the thickness of bed course in future, is rolled comprehensively after shakeouing with defoaming roller
One time, standing etc. is dry；
S6, flooring keep the temperature gravity flow plane it is dry after, cement-based self-leveling mortar plus water stirring rifle are stirred 7-9 minutes,
Continue Self-leveling operation.
2. a kind of flooring according to claim 1 keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar, feature
Be: cementitious material includes cement and building gypsum in S1, and aggregate is quartz sand, and mineral admixture includes that flyash, vitreous are micro-
Pearl and silicon ash, additive include defoaming agent, water-reducing agent, dispersible latex, cellulose ether and anti-heavy agent.
3. a kind of flooring according to claim 1 keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar, feature
Be: stirring container uses planetary stirring machine or horizontal mixer in S2, wherein planetary stirring machine drum speed
(counterclockwise), (60 ± 2) r/min, stirring blade revolving speed (clockwise), (80 ± 4) r/min, the horizontal mixer speed of mainshaft:
(45±5)r/min。
4. a kind of flooring according to claim 1 keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar, feature
Be: aggregate quartz sand forms gradation according to the weight ratio of 1:1 by the quartz sand of 50-70 mesh and 70-140 mesh.
5. a kind of flooring according to claim 1 keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar, feature
Be: polymer dispersion powder model " Wa Ke " one of 5010N or 5044N or combinations thereof, water-reducing agent are polycarboxylic acids powder
Water-reducing agent, water-retaining agent are hydroxypropyl methyl cellulose ether, range of viscosities 400000-80000mpa.s.
6. a kind of flooring according to claim 2 keeps the temperature the preparation method of levelling integrated gravity flowing levelling mortar, feature
Be: building gypsum derives from the calcining of industry by-product gypsum (such as ardealite, fluorgypsum or desulfurized gypsum).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113213875A (en) * | 2021-05-30 | 2021-08-06 | 贵州中能高新材料有限公司 | Floor composite type heat-preservation self-leveling mortar and preparation method thereof |
| CN115368095A (en) * | 2022-08-16 | 2022-11-22 | 安徽倍兆业建材科技有限公司 | Light heat-preservation sound-insulation self-leveling mortar system and construction method thereof |
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| US5424099A (en) * | 1993-03-12 | 1995-06-13 | W.R. Grace & Co.-Conn. | High strength pourable gypsum floor underlayments and methods of providing same |
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| CN115368095A (en) * | 2022-08-16 | 2022-11-22 | 安徽倍兆业建材科技有限公司 | Light heat-preservation sound-insulation self-leveling mortar system and construction method thereof |
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