CN110510975A - A kind of fluidly terrace material and its application - Google Patents
A kind of fluidly terrace material and its application Download PDFInfo
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- CN110510975A CN110510975A CN201910923042.5A CN201910923042A CN110510975A CN 110510975 A CN110510975 A CN 110510975A CN 201910923042 A CN201910923042 A CN 201910923042A CN 110510975 A CN110510975 A CN 110510975A
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Classifications
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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
- 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
- C04B28/142—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 containing synthetic or waste calcium sulfate cements
- C04B28/144—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 containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
-
- 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
- C04B2111/00034—Physico-chemical characteristics of the mixtures
- C04B2111/00146—Sprayable or pumpable mixtures
-
- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to construction material technical field, in particular to a kind of fluidly terrace material and its application.The material is obtained by following raw materials in part by weight: 500-700 parts of fine aggregate, 425 150-250 parts of ordinary portland cements, 50-100 parts of desulfurization gypsum powder, 80-150 parts of mineral admixture, 0.5-2.5 parts of water-reducing agent, 0.5-3.5 parts of water-retaining agent, 0.2-2.0 parts of defoaming agent, 1-3 parts of redispersable latex powder, 0.2-1.0 parts of waterproofing agent, 0.5-2.0 parts of retarder, 0-0.5 parts of reinforcing agent, 120-160 parts of water.The material mechanicalization construction degree is high, and the duration can accelerate 2-4 times, labor intensity is effectively reduced；The terrace intensity of acquisition is high, and it is extremely low hollowing, the probability of cracking occur；Flatness is good, can avoid when later period finishing floor tile or when floor secondary levelling, reduces auxiliary material and cost of labor, can also increase interior net storey height.
Description
Technical field
The invention belongs to construction material technical field, in particular to a kind of fluidly terrace material and its application.
Background technique
Cement mortar surface and pea gravel concreten ground are that a kind of wide traditional ground is applied in China's building ground,
But since its construction technology is based on manual operations, quality is affected by human factors larger, and there is only labor intensity of workerss
Problem high, speed of application is slow, while that there is also aesthetics is poor, the problem of being easy hollowing, cracking, especially its flatness are not
It is good, or even 1-2cm/2m can be differed.Occurs gravity flowing levelling mortar in the market in recent years, construction is simple, speed of application is fast, makes
Terrace flatness is higher, but its complicated components, at high price, is only applicable to top grade decoration, it is difficult to high volume applications in engineering.
Problem above annoyings terrace project construction for a long time.
Summary of the invention
The object of the present invention is to provide a kind of fluidly terrace material and its applications, are especially suitable for mechanical engineering construction,
And fluidly terrace material has not only continued the price advantage of traditional floor sand slurry, while having both grouting material and Self-leveling sand again
The high fluidity performance of slurry.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
Fluidly terrace material, the material are obtained one kind by following raw materials in part by weight:
500-700 parts of fine aggregate, 425 150-250 parts of ordinary portland cements, 50-100 parts of desulfurization gypsum powder, mineral are mixed
80-150 parts of conjunction material, 0.5-2.5 parts of water-reducing agent, 0.5-3.5 parts of water-retaining agent, 0.2-2.0 parts of defoaming agent, redispersable latex powder 1-
3 parts, 0.2-1.0 parts of waterproofing agent, 0.5-2.0 parts of retarder, 0-0.5 parts of reinforcing agent.
Preferably, the fine aggregate compounds acquisition, fineness according to the mass ratio of 2:1 with the Yellow River ultra fine sand using Machine-made Sand
Modulus is 2.32.
The water-retaining agent is compound water retaining agent, is HPMC75000 and the mass ratio of low-viscosity cellulose ether MHPC400 is 1:
5 mixture.
The defoaming agent is the mixture of 362 polyethers defoaming agents and P803 organic silicon defoamer according to mass ratio 5:3.
The redispersable latex powder is the mixture of 5044N rubber powder and 5010N rubber powder according to mass ratio 2:1.
Preferably, the mass parts of the raw material are as follows: 613.3 parts of fine aggregate, 425 200 parts of ordinary portland cements, and desulfurization
80 parts of land plaster, 100 parts of mineral admixture, 1.5 parts of water-reducing agent, 1.2 parts of water-retaining agent, 0.8 part of defoaming agent, redispersable latex powder
1.5 parts, 0.5 part of waterproofing agent, 1.0 parts of retarder, 0.2 part of reinforcing agent.
Above-mentioned group becomes I type fluidly terrace material.
The present invention still further provides a kind of II type fluidly terrace material, and mass parts composition is as follows: fine aggregate
643.8 parts, 425 150 parts of ordinary portland cements, 150 parts of mineral admixture, 1.0 parts of water-reducing agent, are protected by 50 parts of desulfurization gypsum powder
1.5 parts of aqua, 1.2 parts of defoaming agent, 1.2 parts of redispersable latex powder, 0.5 part of waterproofing agent, 0.8 part of retarder.
Whether I type or II type, constituent part are preferably as follows: the land plaster is β type desulfurization gypsum powder, the mineral
Admixture is dolomite dust, and the water-reducing agent is 1021 polycarboxylate water-reducers, and the waterproofing agent is multifunctional nano hydrophobing agentB1490, the retarder are protein-based calcium sulphate retarder, and the reinforcing agent is SiC Nanometer Whiskers.
Fluidly terrace material is before mechanized construction, preferably in base's brushing interfacial agents, the quality of the interfacial agents
Part composition is as follows:
425 400-600 parts of ordinary portland cements, 350-550 parts of dolomite dust, 2488 3-5 parts of rubber powders, water-retaining agent
1-3 parts of HPMC20000 cellulose ether, 150-250 parts of water.
Fluidly terrace material first carries out after mixing with water using the control of amount of water is than heavier again when in use
It wants, mobility is bad when water is less than normal, is unfavorable for constructing, and will appear bleeding, the quality that preferred I type water is added when water is bigger than normal
Part is 120-140 parts, and the mass parts that II type water is added are 140-160 parts.
Fluidly terrace material of the invention, performance parameter are as follows:
Remarks: particle size determination is referring to JC/T985-2005 " cement-based grouting material ", and setting time, measurement was referring to GB/
T25181-2010 " premixing mortar ", fluidity measurement is referring to GB/T50448-2015 " cement-based grouting material application technology rule
Journey ", size changing rate measurement is referring to JC/T985-2017 " ground cement-based self-leveling mortar ", anti-folding/compressive strength determination
Referring to GB/T17671, radioactivity determination is referring to GB6566-2010.
Using fluidly terrace material of the invention, had the advantage that compared with traditional pea gravel concreten and ground mortar
1, due to pumping casting and constructing, mechanization degree is high, and the duration accelerates 2-4 times, and labor intensity is effectively reduced, and such as one
8 people teams and groups can construct 1500-2000m daily2；
2, terrace intensity is more than 15MPa, and it is extremely low hollowing, the probability of cracking occur；
3, flatness is good, and terrace exquisiteness is smooth, and flatness can be controlled in 2mm/2m, when the later period fits up floor tile or floor
When, can avoid secondary levelling, can directly be laid with timber floor or with tile binding material plaster application tiling, tile binding material layer only has
3mm or so needs secondary levelling or dry-laid method tiling with traditional ground mortar patch timber floor, reduces auxiliary material and cost of labor
10-20 Yuan/㎡, simultaneously because interior net storey height 2-3cm can also be increased without secondary levelling.
4, construction cost is low, and same time general ground mortar is 350 yuan or so one ton, gravity flowing levelling mortar 1200-3000
One ton of left and right, and fluidly terrace material of the invention is since ingredient is simple and each ingredient price is lower, thus price well below
Gravity flowing levelling mortar, slightly above ground mortar, along with construction is fast, cost of labor can reduce, therefore integrated construction cost will be lower than biography
The ground mortar of system is constructed.
Detailed description of the invention
Fig. 1-Fig. 5 is the real shooting photo during material concrete application of the present invention.
Specific embodiment
Below the technical scheme of the invention is illustrated by a specific example, but the scope of the present invention is not limited thereto:
Embodiment 1 (I type)
The mass parts of fluidly terrace material, raw material are as follows: 613.3 parts of fine aggregate, 425 ordinary portland cements 200
Part, 80 parts of β type desulfurization gypsum powder, 100 parts of dolomite dust, 1,021 1.5 parts of polycarboxylate water-reducers, HPMC75000 water-retaining agent 0.2
Part, 1.0 parts of low-viscosity cellulose ether MHPC400 water-retaining agent, 362 0.5 part of polyethers defoaming agents, P803 organic silicon defoamer 0.3
Part, 1.0 parts of 5044N rubber powder, 0.5 part of 5010N rubber powder, multifunctional nano hydrophobing agentB14900.5 parts, protein
1.0 parts of class calcium sulphate retarder, 0.2 part of SiC Nanometer Whiskers, 130 parts of water.
The detection performance of its material is as follows:
Embodiment 2 (II type)
The mass parts of fluidly terrace material, raw material are as follows: 643.8 parts of fine aggregate, 425 ordinary portland cements 150
Part, 50 parts of β type desulfurization gypsum powder, 150 parts of dolomite dust, 1,021 1.0 parts of polycarboxylate water-reducers, HPMC75000 water-retaining agent 0.25
Part, 1.25 parts of low-viscosity cellulose ether MHPC400 water-retaining agent, 362 0.75 part of polyethers defoaming agents, P803 organic silicon defoamer
0.45 part, 0.8 part of 5044N rubber powder, 0.4 part of 5010N rubber powder, multifunctional nano hydrophobing agentB14900.5 parts, egg
White matter class calcium sulphate retarder 0.8,0 part of SiC Nanometer Whiskers, 150 parts of water.
The detection performance of its material is as follows:
The process constructed using above-mentioned fluidly terrace material is as follows:
1, closing scene: when carrying out indoor construction, room ventilation will cause fluidly terrace material ground cracking, therefore want
It closes the doors and windows, closing scene.
2, base cleaning: conscientiously clearing up base before construction, and basic ground must not have dusting, hollowing, flake, peels, fiber crops
The defects of face, grease, dust, crackle.Different bases should meet claimed below respectively: base is concrete, Ying Jiangu, close
Real, compression strength is no less than 20MPa；If base is cement mortar, compression strength is no less than 15MPa；If base
When to be laid with floor heating pipe on insulation board (such as extruded sheet, styrofoam), floor heating pipe laying should meet national relevant regulations, and pass through
It can construct after examination；In addition, Base Smoothness application 2m guiding ruler inspection, fluidly the flatness of terrace material ground layer is not
It should be greater than 8mm/2m；Base's moisture content should not exceed 8%.
3, ash cake, and elevation control line are played: carrying out metope projection using laser leveler, according to design requirement, ejection mark
High line, on ground, surrounding does ash cake, and big room should increase floating screed at a distance of 1.5m to 2m, if any floor drain and the ground for having slope requirement
Face should be done the flashing gradient by design requirement.Check whether upper and lower various pipelines, flue and floor junction have the gap, if any need
It is blocked with cement mortar.
4, base soaks: after base treatment, should start repeatedly to spill at least two days before casting fluidly terrace material
Water sufficiently soaks base, starts the bright water that substrate surface is removed with water scooping machine in casting and constructing previous hour.
5, brush fluidly terrace material interfacial agents: before carrying out fluidly terrace material construction, reply base uses roller
Painting or spraying method brushing interfacial agents (as shown in Figure 1).The mass parts composition of the interfacial agents is as follows:
Take 500 parts of 425 ordinary portland cement, 494 parts of dolomite dust, 2,488 4 parts of rubber powders, water-retaining agent HPMC20000 is fine
Plain 2 parts of ether is tieed up, 200 parts of water are added after mixing, is again stirring for uniformly.
6, prepare slurry: construction site is operated using fluidly terrace material automatic mixing apparatus, sets construction before construction
It is standby to install in advance:
(1) ingredient: siccative and water (I type siccative: water about 1:0.12-0.14；II type siccative: water about 1:0.14-0.16) from
Automatic discharging is into mortar level-one blender after the proportion stirring of movable type dry-mixed mortar storage tank.
(2) stir: slurry is sufficiently stirred about 3 minutes in mortar level-one blender, and blowing to mortar second level stirs later
In machine, slump test, regulating capacity are done, control fluidity is 310-330mm.
(3) it pumps: being pumped up into pea gravel concreten pumping machine by automatic discharging after slurry agitation and be transported to high level
Required operation side.
7, pave fluidly terrace material: according to factors such as construction surface requirement for height and construction areas, using repeatedly layer-by-layer
Casting and constructing mode as shown in Fig. 2, discharge port should be perpendicular to construction surface, height off the ground 20-30cm when casting, and ensures by interior
To outer parallel casting, make fluidly terrace material uniformly arrange, be poured into elevation line.After having poured drying, formed plane is high
Low difference is not more than 2mm/2m.
8, flatness and defoaming treatment: after construction is poured into predetermined elevation line, disappeared from the inside to the outside using defoaming roller
Bubble and flatness fine tuning.When deflating using defoaming roller, the long adaptability with paving thickness of the nail of defoaming roller, defoaming should be noted
The main auxiliary slurry of roller flows and reduces generated bubble in spice and paving process and connects stubble, and operator need to wear water shoes
Operation, as shown in Figure 3.
9, scene protection: construction is completed, and should close entry door, and the obvious mark in scene, it is ensured that personnel in 24 hours thereafter
It is forbidden, make fluidly terrace material ground completion air-set.During finished product protection, ready-made fluidly terrace material ground
On be unable to heap garbage, sundries, coating and construction machinery, avoid staining；Stream cannot be struck or portrayed with blunt, sharp instrument
The surface layer of dynamic property floor material, can not walk above.
10, it sprinkling maintenance: constructs for 24 hours after fluidly terrace material final set for a period of time, should repeatedly spill at least continuous three days
Water curing (such as Fig. 4), Fig. 5 are the fluidly terrace material ground finally obtained.
In order to measure the construction quality on fluidly terrace material ground, following items for acceptance, by inspection, embodiment are specially formulated
All meet acceptance criteria after the fluidly terrace material construction of 1-2.
The fluidly items for acceptance of terrace material ground project
Claims (10)
1. a kind of fluidly terrace material, which is characterized in that the material is obtained by following raw materials in part by weight: fine aggregate 500-
700 parts, 425 150-250 parts of ordinary portland cements, 50-100 parts of desulfurization gypsum powder, 80-150 parts of mineral admixture, water-reducing agent
0.5-2.5 parts, 0.5-3.5 parts of water-retaining agent, 0.2-2.0 parts of defoaming agent, 1-3 parts of redispersable latex powder, waterproofing agent 0.2-1.0
Part, 0.5-2.0 parts of retarder, 0-0.5 parts of reinforcing agent.
2. fluidly terrace material as described in claim 1, which is characterized in that the mass parts of the raw material are as follows: fine aggregate
613.3 parts, 425 200 parts of ordinary portland cements, 100 parts of mineral admixture, 1.5 parts of water-reducing agent, are protected by 80 parts of desulfurization gypsum powder
1.2 parts of aqua, 0.8 part of defoaming agent, 1.5 parts of redispersable latex powder, 0.5 part of waterproofing agent, 1.0 parts of retarder, reinforcing agent 0.2
Part.
3. fluidly terrace material as described in claim 1, which is characterized in that the mass parts of the raw material are as follows: fine aggregate
643.8 parts, 425 150 parts of ordinary portland cements, 150 parts of mineral admixture, 1.0 parts of water-reducing agent, are protected by 50 parts of desulfurization gypsum powder
1.5 parts of aqua, 1.2 parts of defoaming agent, 1.2 parts of redispersable latex powder, 0.5 part of waterproofing agent, 0.8 part of retarder.
4. fluidly terrace material a method according to any one of claims 1-3, which is characterized in that the fine aggregate using Machine-made Sand with
The Yellow River ultra fine sand is compounded according to the mass ratio of 2:1 and is obtained, fineness modulus 2.32.
5. fluidly terrace material a method according to any one of claims 1-3, which is characterized in that the water-retaining agent is composite water conservation
The mixture that agent is HPMC75000 and low-viscosity cellulose ether MHPC400 mass ratio is 1:5.
6. fluidly terrace material a method according to any one of claims 1-3, which is characterized in that the defoaming agent is 362 polyethers
Defoaming agent and P803 organic silicon defoamer according to mass ratio 5:3 mixture.
7. fluidly terrace material a method according to any one of claims 1-3, which is characterized in that the redispersable latex powder is
5044N rubber powder and 5010N rubber powder according to mass ratio 2:1 mixture.
8. the fluidly terrace material as described in right 1-3 is any, it is characterised in that the land plaster is β type desulfurization gypsum powder, institute
Stating mineral admixture is dolomite dust, and the water-reducing agent is 1021 polycarboxylate water-reducers, and the waterproofing agent is dredged for multifunctional nano
AquaB1490, the retarder are protein-based calcium sulphate retarder, and the reinforcing agent is that nanometer silicon carbide is brilliant
Palpus.
9. the application of any fluidly terrace material of claim 1-8, which is characterized in that be uniformly mixed when use with water into
It exercises and uses, the mass parts that water is added are 120-160 parts.
10. the fluidly application of terrace material as claimed in claim 9, which is characterized in that cope with base before mechanized construction and apply
The mass parts composition of brush interfacial agents, the interfacial agents is as follows:
425 400-600 parts of ordinary portland cements, 350-550 parts of dolomite dust, 2488 3-5 parts of rubber powders, water-retaining agent
1-3 parts of HPMC20000 cellulose ether, 150-250 parts of water.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111170684A (en) * | 2020-01-13 | 2020-05-19 | 山东晟世达科技有限公司 | Partition board with built-in reinforcement and production method thereof |
| CN111848050A (en) * | 2020-08-03 | 2020-10-30 | 郑州铸晟建材科技有限公司 | High-fluidity terrace mortar |
| CN112592146A (en) * | 2021-01-12 | 2021-04-02 | 江苏顺丽成建筑新材料有限公司 | Self-leveling terrace repairing material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111170684A (en) * | 2020-01-13 | 2020-05-19 | 山东晟世达科技有限公司 | Partition board with built-in reinforcement and production method thereof |
| CN111848050A (en) * | 2020-08-03 | 2020-10-30 | 郑州铸晟建材科技有限公司 | High-fluidity terrace mortar |
| CN112592146A (en) * | 2021-01-12 | 2021-04-02 | 江苏顺丽成建筑新材料有限公司 | Self-leveling terrace repairing material |
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