CN108840624A - A kind of rapid curing light weight board and preparation method thereof suitable for assembled architecture - Google Patents
A kind of rapid curing light weight board and preparation method thereof suitable for assembled architecture Download PDFInfo
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- CN108840624A CN108840624A CN201810746595.3A CN201810746595A CN108840624A CN 108840624 A CN108840624 A CN 108840624A CN 201810746595 A CN201810746595 A CN 201810746595A CN 108840624 A CN108840624 A CN 108840624A
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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
-
- 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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The rapid curing light weight board and preparation method thereof that the present invention relates to a kind of suitable for assembled architecture, the rapid curing light weight board raw material components and parts by weight content are as follows：60-80 parts of cement, 10-30 parts of flyash, 2-6 parts of complex accelerator, 5-10 parts of ardealite, 1-5 parts of fiber, 0.6-1.3 parts of light-weight aggregate, 0.1-0.5 parts of Nano silica sol, 0.1-0.3 parts of water-reducing agent, 0-0.1 parts of air entraining agent, 0-0.15 parts of water-retaining agent.Rapid curing light weight board early strength provided by the invention is high, later strength is without retraction, and 8h-12h reaches strength of mould stripping, and 1d intensity reaches 60% or more of 28d intensity, and bulk density is in 600-1000Kg/m3Adjustable in range, thermal coefficient is lower than 0.15W/ (mK), and stability is good, without obvious layering and cracking, can be used as assembled architecture prefabricated panel.
Description
Technical field
The invention belongs to building material technical fields, are related to a kind of rapid curing light weight board suitable for assembled architecture
And preparation method thereof.
Background technique
New direction of the assembled architecture as architectural development, is increasingly popularized.Light weight board can be used as assembly
Formula materials for wall, development and application play an important role to the development of assembled architecture.Existing light weight board is with cement base
The disadvantages of master, there are setting time is slow, early strength is low, strength development is slow, the production cycle of production line is seriously limited, so that
Yield sharp fall, and cement-based material itself has that shrinkage cracking also limits it to a certain extent and answers
With.Chinese patent CN106565181A discloses a kind of preparation method of lightweight precast concrete plate, is able to achieve 6~8h demoulding,
Have the characteristics that product intensity is high, surface density is light, but since plate major gelled material is cement, performance of the cement due to itself
There are chemical shrinkages, dry the disadvantages of shrinking and Carbonization contract etc., panel shrinkage can not being overcome to crack for defect.
The present invention discloses a kind of rapid curing light weight board and preparation method thereof suitable for assembled architecture, can be effective
Solve the problems, such as that existing light weight board exists.
Summary of the invention
The technical problem to be solved by the present invention is to aiming at the above shortcomings existing in the prior art, provide one kind to be suitable for
Rapid curing light weight board of assembled architecture and preparation method thereof, the product of preparation have early strength is high, later strength without
Retraction, light thermal-insulation, bulk density are adjustable, plate stability is good, without obvious the advantages that being layered and cracking, and preparation process is simple, substantially
Degree improves the production efficiency of plate.
In order to solve the above technical problems, technical solution provided by the invention is：
A kind of rapid curing light weight board suitable for assembled architecture is provided, raw material components and parts by weight content are such as
Under：60-80 parts of cement, 10-30 parts of flyash, 2-6 parts of complex accelerator, 5-10 parts of ardealite, 1-5 parts of fiber, light-weight aggregate
0.6-1.3 parts, 0.1-0.5 parts of Nano silica sol, 0.1-0.3 parts of water-reducing agent, 0-0.1 parts of air entraining agent, 0-0.15 parts of water-retaining agent；
The complex accelerator is by sulphate aluminium cement and sodium sulphate according to mass ratio 10：1 compounding obtains.
According to the above scheme, the cement is the ordinary portland cement of strength grade 42.5.
According to the above scheme, the flyash be one or both of I grade of flyash, II grade of flyash in any proportion
Mixture.
According to the above scheme, the ardealite is phosphogypsum dihydrate, attached water (H2O) mass fraction is less than 15%, two water sulphur
The mass fraction of sour calcium is greater than 85%, and water-soluble phosphorus pentoxide mass fraction is less than 0.8%.
According to the above scheme, the fiber is phosphogypsum dihydrate whisker, average length 1-3mm, draw ratio 25-100, single fiber
Tensile strength is greater than 20GPa.
According to the above scheme, the light-weight aggregate is expanded polystyrene (EPS) (EPS) particle, grain diameter 2-5mm, bulk density 8-
12Kg/m3。
According to the above scheme, silica (SiO in the Nano silica sol2) greater than 30%, silica partial size is content
10-30nm。
According to the above scheme, the water-reducing agent is polycarboxylate water-reducer, and water-reducing rate is greater than 20%.
According to the above scheme, the air entraining agent is neopelex.
According to the above scheme, the water-retaining agent is hydroxypropyl methyl cellulose ether, viscosity 40000-100000mPas.
The present invention also provides the preparation method of the above-mentioned rapid curing light weight board suitable for assembled architecture, specific steps
It is as follows：
1) raw material is weighed according to the ratio, it is spare；
2) dry-mixed 60s in blender is added in cement, flyash, complex accelerator, ardealite, fiber, keeps material uniform
Dispersion, then adds water by ratio of mud 0.31-0.34, while Nano silica sol, water-reducing agent, air entraining agent, water conservation being added as needed
Agent stirs 2-5min, is then slowly added into light-weight aggregate, is stirred until homogeneous dispersion, obtains slurry；
3) slurry obtained by step 2) is injected into rapidly die for molding, obtained light suitable for the rapid curing of assembled architecture
Lumber.
The present invention promotes the progress of hydration reaction using complex accelerator, improves the early strength of light weight board；Using two
Water ardealite promotes the generation of ettringite to play the role of compensating cement shrinkage；The anti-of plate is improved using phosphogypsum dihydrate whisker
Folding, impact strength；The integral strength of plate is improved using the micro-structure that Nano silica sol improves hydrated product.And using super
The EPS particle of low bulk density realizes the lighting of plate as light-weight aggregate, by the design of regulation, pore structure to slurry viscosity,
Realize the efficient uniform dispersion of EPS particle to reach the adjustable effect of light thermal-insulation, bulk density.
The beneficial effects of the present invention are：Rapid curing light weight board provided by the invention suitable for assembled architecture is early
Without retraction, 8h-12h reaches strength of mould stripping for phase intensity height, later strength, and 1d intensity reaches 60% or more of 28d intensity, solves existing
The problem that light weight board early strength is low, the production cycle is long, prepared rapid curing light weight board light thermal-insulation, bulk density exist
600-1000Kg/m3Adjustable in range, thermal coefficient is below 0.15W/ (mK), and stability is good, without obvious layering and cracks,
It can be used as assembled architecture prefabricated panel, properties are all satisfied JGT169-2016《Light lath for building partition wall general technology
It is required that》Standard.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention makees the present invention below with reference to embodiment
It is described in further detail.
Nano silica sol used in the embodiment of the present invention is that Long Bo Nanosolutions GmbH in Hubei produces, in Nano silica sol
Silica (SiO2) for content greater than 30%, silica partial size is 10-30nm；Cement used is the common of strength grade 42.5
Portland cement；Phosphogypsum dihydrate attached water (H used2O) mass fraction is less than 15%, wherein the mass fraction of calcium sulphate dihydrate
89.5%, water-soluble phosphorus pentoxide mass fraction is less than 0.8%；Phosphogypsum dihydrate whisker average length 1-3mm used, major diameter
Than for 25-100, single fiber tensile strength 25GPa；EPS partial size 2-5mm used, bulk density 10Kg/m3；Water-reducing agent used is poly-
Carboxylic acid water reducer, water-reducing rate 21%；Air entraining agent used is neopelex；Water-retaining agent used is hydroxypropyl methyl fiber
Plain ether, viscosity 70000mPas.
Embodiment 1
A kind of rapid curing light weight board suitable for assembled architecture is prepared, raw material and parts by weight dosage are：Cement
70 parts, II grade of 20 parts of flyash, (sulphate aluminium cement and sodium sulphate are according to mass ratio 10 for complex accelerator：1 compounding obtains) 4
Part, 6 parts of phosphogypsum dihydrate, 3 parts of phosphogypsum dihydrate whisker, 1.1 parts of EPS, 0.3 part of Nano silica sol, 0.2 part of water-reducing agent, bleed
0.05 part of agent, 0.1 part of water-retaining agent.
By above-mentioned formula, it is dry to weigh cement, second class powered coal ash, complex accelerator, phosphogypsum dihydrate, phosphogypsum dihydrate whisker
Mixed 60s is added Nano silica sol, water-reducing agent, air entraining agent, water-retaining agent, while stirring in blender by ratio of water to material 0.34 plus water
2min, then EPS particle is added in blender and stirs 3min, by the slurry injection moulding mold of preparation, reach striking time
Demoulding, maintenance are afterwards to get the rapid curing light weight board arrived suitable for assembled architecture.
It is suitable for rapid curing light weight board performance test data such as 1 institute of table of assembled architecture prepared by the present embodiment
Show, properties are all satisfied JGT169-2016《Light lath for building partition wall generic specifications》Middle various specifications product
It is required that.
Embodiment 2
A kind of rapid curing light weight board suitable for assembled architecture is prepared, raw material and parts by weight dosage are：
80 parts, II grade 10 parts of flyash of cement, (sulphate aluminium cement and sodium sulphate are according to mass ratio 10 for complex accelerator：1
Compounding obtains) 2 parts, 10 parts of phosphogypsum dihydrate, 5 parts of phosphogypsum dihydrate whisker, 1.3 parts of EPS, 0.1 part of Nano silica sol, diminishing
0.1 part of agent, 0.1 part of air entraining agent, 0.15 part of water-retaining agent.
By above-mentioned formula, it is dry to weigh cement, second class powered coal ash, complex accelerator, phosphogypsum dihydrate, phosphogypsum dihydrate whisker
Mixed 60s is added Nano silica sol, water-reducing agent, air entraining agent, water-retaining agent, while stirring in blender by ratio of water to material 0.34 plus water
2min, then EPS particle is added in blender and stirs 3min, by the slurry injection moulding mold of preparation, reach striking time
Demoulding, maintenance are afterwards to get the rapid curing light weight board arrived suitable for assembled architecture.
It is suitable for rapid curing light weight board performance test data such as 1 institute of table of assembled architecture prepared by the present embodiment
Show, properties are all satisfied JGT169-2016《Light lath for building partition wall generic specifications》Middle various specifications product
It is required that.
Embodiment 3
A kind of rapid curing light weight board suitable for assembled architecture is prepared, raw material and parts by weight dosage are：
60 parts, I grade 30 parts of flyash of cement, (sulphate aluminium cement and sodium sulphate are according to mass ratio 10 for complex accelerator：1
Compounding obtains) 6 parts, 5 parts of phosphogypsum dihydrate, 1 part of phosphogypsum dihydrate whisker, 0.6 part of EPS, 0.5 part of Nano silica sol, water-reducing agent
0.3 part
By above-mentioned formula, it is dry to weigh cement, second class powered coal ash, complex accelerator, phosphogypsum dihydrate, phosphogypsum dihydrate whisker
Mixed 60s is added Nano silica sol, water-reducing agent, air entraining agent, water-retaining agent, while stirring in blender by ratio of water to material 0.31 plus water
2min, then EPS particle is added in blender and stirs 3min, by the slurry injection moulding mold of preparation, reach striking time
Demoulding, maintenance are afterwards to get the rapid curing light weight board arrived suitable for assembled architecture.
It is suitable for rapid curing light weight board performance test data such as 1 institute of table of assembled architecture prepared by the present embodiment
Show, properties are all satisfied JGT169-2016《Light lath for building partition wall generic specifications》Middle various specifications product
It is required that.
Embodiment 4
A kind of rapid curing light weight board suitable for assembled architecture is prepared, raw material and parts by weight dosage are：
70 parts, II grade 20 parts of flyash of cement, (sulphate aluminium cement and sodium sulphate are according to mass ratio 10 for complex accelerator：1
Compounding obtains) 4 parts, 7 parts of phosphogypsum dihydrate, 3 parts of phosphogypsum dihydrate whisker, 0.9 part of EPS, 0.3 part of Nano silica sol, water-reducing agent
0.2 part, 0.05 part of air entraining agent, 0.1 part of water-retaining agent.
By above-mentioned formula, it is dry to weigh cement, second class powered coal ash, complex accelerator, phosphogypsum dihydrate, phosphogypsum dihydrate whisker
Mixed 60s is added Nano silica sol, water-reducing agent, air entraining agent, water-retaining agent, while stirring in blender by ratio of water to material 0.32 plus water
2min, then EPS particle is added in blender and stirs 3min, by the slurry injection moulding mold of preparation, reach striking time
Demoulding, maintenance are afterwards to get the rapid curing light weight board arrived suitable for assembled architecture.
It is suitable for rapid curing light weight board performance test data such as 1 institute of table of assembled architecture prepared by the present embodiment
Show, properties are all satisfied JGT169-2016《Light lath for building partition wall generic specifications》Middle various specifications product
It is required that.
Embodiment 5
A kind of rapid curing light weight board suitable for assembled architecture is prepared, raw material and parts by weight dosage are：
70 parts, I grade 10 parts of flyash of cement, 10 parts of second class powered coal ash, complex accelerator (sulphate aluminium cement and sodium sulphate
According to mass ratio 10：1 compounding obtains) 3 parts, 5 parts of phosphogypsum dihydrate, 2 parts of phosphogypsum dihydrate whisker, 0.9 part of EPS, nano silicasol
0.2 part of glue, 0.2 part of water-reducing agent, 0.05 part of air entraining agent, 0.1 part of water-retaining agent.
By above-mentioned formula, it is dry to weigh cement, second class powered coal ash, complex accelerator, phosphogypsum dihydrate, phosphogypsum dihydrate whisker
Mixed 60s is added Nano silica sol, water-reducing agent, air entraining agent, water-retaining agent, while stirring in blender by ratio of water to material 0.31 plus water
2min, then EPS particle is added in blender and stirs 3min, by the slurry injection moulding mold of preparation, reach striking time
Demoulding, maintenance are afterwards to get the rapid curing light weight board arrived suitable for assembled architecture.
It is suitable for rapid curing light weight board performance test data such as 1 institute of table of assembled architecture prepared by the present embodiment
Show, properties are all satisfied JGT169-2016《Light lath for building partition wall generic specifications》Middle various specifications product
It is required that.
Table 1
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of rapid curing light weight board suitable for assembled architecture, which is characterized in that its raw material components and parts by weight contain
It measures as follows：It is 60-80 parts of cement, 10-30 parts of flyash, 2-6 parts of complex accelerator, 5-10 parts of ardealite, 1-5 parts of fiber, light to collect
0.6-1.3 parts, 0.1-0.5 parts of Nano silica sol, 0.1-0.3 parts of water-reducing agent, 0-0.1 parts of air entraining agent, 0-0.15 parts of water-retaining agent of material；
The complex accelerator is by sulphate aluminium cement and sodium sulphate according to mass ratio 10：1 compounding obtains.
2. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that the water
Mud is the ordinary portland cement of strength grade 42.5.
3. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that the powder
Coal ash is the mixture of one or both of I grade of flyash, II grade of flyash in any proportion.
4. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that the phosphorus
Gypsum is phosphogypsum dihydrate, and attached water mass fraction is less than 15%, and the mass fraction of calcium sulphate dihydrate is greater than 85%, water solubility five
Two phosphorus mass fractions are aoxidized less than 0.8%.
5. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that the fibre
Dimension is phosphogypsum dihydrate whisker, and average length 1-3mm, draw ratio 25-100, single fiber tensile strength is greater than 20GPa.
6. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that described light
Gather materials for expanded polystyrene particle, grain diameter 2-5mm, bulk density 8-12Kg/m3。
7. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that described to receive
Dioxide-containing silica is greater than 30% in rice silica solution, and silica partial size is 10-30nm.
8. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that described to subtract
Aqua is polycarboxylate water-reducer, and water-reducing rate is greater than 20%；The air entraining agent is neopelex.
9. the rapid curing light weight board according to claim 1 suitable for assembled architecture, which is characterized in that the guarantor
Aqua is hydroxypropyl methyl cellulose ether, viscosity 40000-100000mPas.
10. a kind of preparation method of any rapid curing light weight board suitable for assembled architecture of claim 1-9,
It is characterized in that, specific step is as follows：
1) raw material is weighed according to the ratio, it is spare；
2) dry-mixed 60s in blender is added in cement, flyash, complex accelerator, ardealite, fiber, keeps material evenly dispersed,
Then add water by ratio of mud 0.31-0.34, while Nano silica sol, water-reducing agent, air entraining agent, water-retaining agent being added as needed, stir
2-5min is mixed, light-weight aggregate is then slowly added into, dispersion is stirred until homogeneous, obtains slurry；
3) slurry obtained by step 2) is injected into rapidly die for molding, obtains the rapid curing thistle board suitable for assembled architecture
Material.
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| CN201810746595.3A CN108840624B (en) | 2018-07-09 | 2018-07-09 | Fast-curing light plate suitable for assembly type building and preparation method thereof |
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| CN201810746595.3A CN108840624B (en) | 2018-07-09 | 2018-07-09 | Fast-curing light plate suitable for assembly type building and preparation method thereof |
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| CN110105039A (en) * | 2019-05-20 | 2019-08-09 | 湖北工业大学 | The preparation method of anhydrous ardealite base assembled light partition wall batten |
| CN110194641A (en) * | 2019-05-16 | 2019-09-03 | 武汉理工大学 | A kind of interface enhancing phosphogypsum light interior wall partition and preparation method thereof |
| CN110229017A (en) * | 2019-06-24 | 2019-09-13 | 武汉理工大学 | Glass fibre laminated film and building light-weight partition wall batten and preparation method thereof |
| CN113185199A (en) * | 2021-05-17 | 2021-07-30 | 四川统揽建设集团有限公司 | Cement stabilizing material and preparation method thereof |
| CN114368952A (en) * | 2022-02-15 | 2022-04-19 | 浙江瑞腾建筑新材料有限公司 | Steam-curing-free concrete prefabricated part and forming method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002828A (en) * | 2019-04-23 | 2019-07-12 | 台州普立德建筑科技有限公司 | A kind of lightweight prefabricated components platform board |
| CN110002828B (en) * | 2019-04-23 | 2021-07-20 | 台州普立德建筑科技有限公司 | Lightweight prefabricated part platform plate |
| CN110194641A (en) * | 2019-05-16 | 2019-09-03 | 武汉理工大学 | A kind of interface enhancing phosphogypsum light interior wall partition and preparation method thereof |
| CN110105039A (en) * | 2019-05-20 | 2019-08-09 | 湖北工业大学 | The preparation method of anhydrous ardealite base assembled light partition wall batten |
| CN110105039B (en) * | 2019-05-20 | 2019-12-06 | 湖北工业大学 | preparation method of anhydrous phosphogypsum-based assembled light partition wall batten |
| CN110229017A (en) * | 2019-06-24 | 2019-09-13 | 武汉理工大学 | Glass fibre laminated film and building light-weight partition wall batten and preparation method thereof |
| CN113185199A (en) * | 2021-05-17 | 2021-07-30 | 四川统揽建设集团有限公司 | Cement stabilizing material and preparation method thereof |
| CN114368952A (en) * | 2022-02-15 | 2022-04-19 | 浙江瑞腾建筑新材料有限公司 | Steam-curing-free concrete prefabricated part and forming method thereof |
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|---|---|
| CN108840624B (en) | 2021-06-04 |
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