CN109748559A - A kind of Composite Cementing Materials Containing and preparation method thereof - Google Patents
A kind of Composite Cementing Materials Containing and preparation method thereof Download PDFInfo
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- CN109748559A CN109748559A CN201910231323.4A CN201910231323A CN109748559A CN 109748559 A CN109748559 A CN 109748559A CN 201910231323 A CN201910231323 A CN 201910231323A CN 109748559 A CN109748559 A CN 109748559A
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- flyash
- agstone
- slag micropowder
- gelled material
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Abstract
The invention belongs to construction material preparation technical fields, and in particular to a kind of Composite Cementing Materials Containing and its preparation method and application.The present invention provide it is a kind of including cement, flyash, slag micropowder, agstone composite gelled material, the material is used for the preparation of bank protection structure concrete, the sulfate resistance of bank protection structure concrete and the ability of the compound erosion of villaumite can be significantly improved, improve the pore structure and density of concrete, reduce solid waste simultaneously to the pollution of environment and the waste of land resource, there is apparent Social benefit and economic benefit.
Description
Technical field
The invention belongs to construction material preparation technical fields, and in particular to a kind of Composite Cementing Materials Containing and its preparation
Methods and applications.
Background technique
The Cl contained in the river water of Delta Region of The Yellow River-、SO4 2-、Mg2+Plasma is long-term to littoral embankment material and structure
Chemical attack effect, cause the durability of concrete structure greatly to reduce, service life also greatly shortens, while also resulting in soil
Ground loss is got worse, and natural and ecoscape is by biggish destruction.Therefore, for the concrete material for bank protection structure
It needs to meet in the good situation of some strength, workability, it is also necessary to which there are the property such as centainly corrosion-resistant, frost resistance, impermeability
Energy.With the reinforcement that people realize ecological environmental protection, the durability for embankment material concrete is improved with important
Meaning.
With the rapid development of China's economy and the quickening of process of industrialization, the industries such as the energy, steel, coloured, mine
Every annual meeting generates a large amount of waste residues, flyash, blast-furnace cinder, steel slag, lithium slag, alkaline residue etc..Its bulk deposition, effectively causes
The pollution of environment and the waste of land resource have had a large amount of scholar to carry out a large amount of study it to protect environment
In the production process of cement concrete.
Currently, existing composite gelled material is mainly used for unilaterally resisting SO4 2-Or Cl-Erosion, for such as
Resist SO4 2And Cl-The composite gelled material research of compound erosion is less.
Therefore, need to develop a kind of preparation for bank protection structure concrete at present with resist in river water sulfate ion and
The composite gelled material of the compound erosion of chloride ion etc..
Summary of the invention
The technical problem to be solved by the present invention is to for the concrete anticorrosion for being used for embankment material in the prior art
The poor defect of energy, explores a kind of composite gelled material, is used for the preparation of bank protection structure concrete, can significantly improve shore protection
The coefficient against corrosion of the resisting erosion of sulfate of structural concrete simultaneously reduces chloride diffusion coefficient, makes concrete resistance with higher
The ability of sulfate ion and the compound erosion of chloride ion, and improve the pore structure and density of concrete, while it is useless to reduce solid
Gurry has apparent Social benefit and economic benefit to the pollution of environment and the waste of land resource.
For this purpose, first aspect present invention provides a kind of composite gelled material, comprising:
The cement of component a), 20wt%-60wt%；
The flyash of component b), 10wt%-40wt%；
The slag micropowder of component c), 20wt%-50wt%；
The agstone of component d), 0wt%-20wt%.
In the present invention, slag micro powder is free of in the composite gelled material.
In certain embodiments of the present invention, the content of the cement is 25wt%-55wt%；And/or the fine coal
The content of ash is 15wt%-35wt%；And/or the content of the slag micropowder is 25wt%-45wt%；And/or the stone
The content of limestone flour is 0wt%-15wt%.
In some preferred embodiments of the invention, the content of the cement is 30wt%-50wt%；And/or institute
The content for stating flyash is 15wt%-30wt%；And/or the content of the slag micropowder is 25wt%-40wt%；And/or
The content of the agstone is 0wt%-10wt%.
In some further preferred embodiments of the invention, the content of the cement is 30wt%-40wt%；
And/or the content of the flyash is 15wt%-25wt%；And/or the content of the slag micropowder is 30wt%-
40wt%；And/or the content of the agstone is 5wt%-10wt%.
In some more preferably embodiments of the invention, the content of the cement is 30wt%-35wt%；With/
Or, the content of the flyash is 18wt%-22wt%；And/or the content of the slag micropowder is 35wt%-40wt%；
And/or the content of the agstone is 8wt%-10wt%.
In other embodiments of the invention, the specific surface area of the flyash is 300-600m2/kg；And/or
The specific surface area of the slag micropowder is 300-600m2/kg；And/or the specific surface area of the agstone is 300-600m2/
kg。
In other preferred embodiments of the invention, the specific surface area of the flyash is 400-550m2/kg；
And/or the specific surface area of the slag micropowder is 400-550m2/kg；And/or the specific surface area of the agstone is 400-
550m2/kg。
In other further preferred embodiments of the invention, the specific surface area of the flyash is 450-
500m2/kg；And/or the specific surface area of the slag micropowder is 450-520m2/kg；And/or the specific surface of the agstone
Product is 450-500m2/kg。
In of the invention other more preferably embodiment, the specific surface area of the flyash is 470-490m2/
kg；And/or the specific surface area of the slag micropowder is 490-510m2/kg；And/or the specific surface area of the agstone is
480-500m2/kg。
In certain embodiments of the present invention, the water demand ratio of the flyash is 85%-98%；And/or the mine
Slag micro mist water demand ratio is 85%-98%；And/or the water demand ratio of the agstone is 85%-98%.
In some preferred embodiments of the invention, the water demand ratio of the flyash is 88%-97%；And/or
The slag micropowder water demand ratio is 88%-98%；And/or the water demand ratio of the agstone is 88%-96%.
In some further preferred embodiments of the invention, the water demand ratio of the flyash is 92%-96%；
And/or the slag micropowder water demand ratio is 92%-97%；And/or the water demand ratio of the agstone is 90%-
95%.
In some more preferably embodiments of the invention, the water demand ratio of the flyash is 94%-96%；
And/or the slag micropowder water demand ratio is 95-97%；And/or the water demand ratio of the agstone is 92%-94%.
In certain embodiments of the present invention, the flyash includes SiO2、Al2O3、Fe2O3、CaO、MgO、SO3And
TiO2；
In other embodiments of the invention, the slag micropowder includes SiO2、Al2O3、Fe2O3、CaO、MgO、SO3
And TiO2。
In certain embodiments of the present invention, the agstone includes SiO2、Al2O3、Fe2O3, CaO, MgO and SO3。
In other embodiments of the invention, the flyash includes 40wt%-60wt%SiO2, 35wt%-
50wt%Al2O3, 6wt%-10wt%Fe2O3, 2wt%-7wt%CaO, 0.5wt%-1wt%MgO, 1wt%-5wt%SO3And
1wt%-5wt%TiO2。
In certain embodiments of the present invention, the slag micropowder includes 20wt%-30wt%SiO2, 10wt%-
20wt%Al2O3, 0.3wt%-1wt%Fe2O3, 40wt%-60wt%CaO, 5wt%-10wt%MgO, 5wt%-10wt%SO3
And 1wt%-6wt%TiO2。
In other embodiments of the invention, the agstone includes 0.2wt%-1wt%SiO2, 1wt%-
3wt%Al2O3, 0.2wt%-1wt%Fe2O3, 50wt%-60wt%CaO, 1wt%-5wt%MgO and 5wt%-10wt%SO3。
In certain embodiments of the present invention, the cement is ordinary portland cement.
In some preferred embodiments of the invention, the cement is 32.5,42.5 or 52.5 normal silicate water
Mud.
In some more preferably embodiments of the invention, the cement is 42.5 ordinary portland cements.
In some preferred embodiments of the invention, the flyash is Ι grades of flyash；The slag micropowder is
S95 grades of miberal powders.
In the present invention, the agstone is process by limestone is levigate.
Second aspect of the present invention provides the preparation method of composite gelled material described in first aspect present invention, including with
Lower step: cement, flyash, slag micropowder and optional agstone are mixed through mechanical stirring, obtain composite gelled material.
Third aspect present invention provides composite gelled material or second aspect of the present invention institute described in first aspect present invention
Application of the composite gelled material for the preparation method preparation stated in the preparation of embankment material.
In some preferred embodiments of the invention, the application is answering in the preparation of bank protection structure concrete
With.
Currently, existing composite gelled material is mainly used for unilaterally resisting SO4 2-Or Cl-Erosion, for such as
Resist SO4 2And Cl-The research of the composite gelled material of compound erosion is less.The application ground slag powder, flyash, steel slag,
Agstone etc. replaces part of cement, can be obviously improved the microstructure of concrete, reduces its porosity, and it is resistance to improve concrete
Long property.The defect that it is an object of the invention to overcome the previous concrete anticorrosion performance for embankment material poor, is explored
A kind of composite gelled material is used for the preparation of bank protection structure concrete, and the bank protection structure concrete of acquisition can resist sulfuric acid in river water
The compound erosion of radical ion and chloride ion etc..
Compared with the prior art, the beneficial effects of the present invention are:
(1) Composite Cementing Materials Containing can dramatically increase the utilization rate of flyash, slag micropowder, agstone,
Reduce waste of the accumulation of industrial solid castoff to pollution and land resource caused by environment；
(2) Composite Cementing Materials Containing is used in the process for preparation of concrete, bank protection structure can be significantly improved
The coefficient against corrosion of the resisting erosion of sulfate of concrete simultaneously reduces chloride diffusion coefficient, to make concrete resistance with higher
The ability of sulfate ion and the compound erosion of chloride ion, further increases its durability, has for channel revetment material higher
Economic benefit and social benefit.
Specific embodiment
To be readily appreciated that the present invention, the present invention is described more detail below.But before describing the present invention in detail, it should be understood that
The present invention is not limited to the specific embodiments of description.It is also understood that term used herein is only for description specific implementation
Mode, and be not offered as restrictive.
In the case where providing numberical range, it should be understood that in the upper and lower bound of the range and the prescribed limit
Any other regulation or between two parties each of between numerical value numerical value is encompassed by the present invention between two parties.These small range of upper limits
It can independently be included in lesser range with lower limit, and be also covered by the present invention, obey any clear in prescribed limit
The limit of exclusion.Defined range include one or two limit in the case where, exclude any of the limit that those include or
The range of the two is also included in the present invention.
Unless otherwise defined, all terms used herein and those skilled in the art's is usual
Understand meaning having the same.Although similar or equivalent any method and material can also with method described herein and material
To use in implementation or test of the invention, but preferred method and material will now be described.
As previously mentioned, existing composite gelled material is mainly used for unilaterally resisting SO4 2-Or Cl-Erosion, for
Resist SO4 2-And Cl-The research of the composite gelled material of compound erosion is less.The application ground slag powder, flyash, steel slag,
Agstone etc. replaces part of cement, can be obviously improved the microstructure of concrete, reduces its porosity, and it is resistance to improve concrete
Long property.The present invention overcomes the defects that the previous concrete anticorrosion performance for embankment material is poor, explore a kind of compound
Cementitious material, is used for the preparation of bank protection structure concrete, and the bank protection structure concrete of acquisition can be used for resisting sulfuric acid in river water
The compound erosion of radical ion and chloride ion.
For this purpose, first aspect present invention provides a kind of composite gelled material, comprising:
The cement of component a), 20wt%-60wt%；
The flyash of component b), 10wt%-40wt%；
The slag micropowder of component c), 20wt%-50wt%；
The agstone of component d), 0wt%-20wt%.
In the present invention, slag micro powder is free of in the composite gelled material.
In certain embodiments of the present invention, the content of the cement is 25wt%-55wt%；And/or the fine coal
The content of ash is 15wt%-35wt%；And/or the content of the slag micropowder is 25wt%-45wt%；And/or the stone
The content of limestone flour is 0wt%-15wt%.
In some preferred embodiments of the invention, the content of the cement is 30wt%-50wt%；And/or institute
The content for stating flyash is 15wt%-30wt%；And/or the content of the slag micropowder is 25wt%-40wt%；And/or
The content of the agstone is 0wt%-10wt%.
In other preferred embodiments of the invention, the content of the cement is 30wt%-40wt%；And/or
The content of the flyash is 15wt%-25wt%；And/or the content of the slag micropowder is 30wt%-40wt%；With/
Or, the content of the agstone is 5wt%-10wt%.
In some further preferred embodiments of the invention, the content of the cement is 30wt%-35wt%；
And/or the content of the flyash is 18wt%-22wt%；And/or the content of the slag micropowder is 35wt%-
40wt%；And/or the content of the agstone is 8wt%-10wt%.
In some more preferably embodiments of the invention, the content of the cement is 30wt%；And/or it is described
The content of flyash is 20wt%；And/or the content of the slag micropowder is 40wt%；And/or the agstone contains
Amount is 10wt%.
In other embodiments of the invention, the specific surface area of the flyash is 300-600m2/kg；And/or
The specific surface area of the slag micropowder is 300-600m2/kg；And/or the specific surface area of the agstone is 300-600m2/
kg。
In other preferred embodiments of the invention, the specific surface area of the flyash is 400-550m2/kg；
And/or the specific surface area of the slag micropowder is 400-550m2/kg；And/or the specific surface area of the agstone is 400-
550m2/kg。
In of the invention other more preferably embodiment, the specific surface area of the flyash is 450-500m2/
kg；And/or the specific surface area of the slag micropowder is 450-520m2/kg；And/or the specific surface area of the agstone is
450-500m2/kg。
In some further preferred embodiments of the invention, the specific surface area of the flyash is 470-490m2/
kg；And/or the specific surface area of the slag micropowder is 490-510m2/kg；And/or the specific surface area of the agstone is
480-500m2/kg。
In some more preferably embodiments of the invention, the specific surface area of the flyash is 480m2/kg；With/
Or, the specific surface area of the slag micropowder is 500m2/kg；And/or the specific surface area of the agstone is 490m2/kg。
In certain embodiments of the present invention, the water demand ratio of the flyash is 85%-98%；And/or the mine
Slag micro mist water demand ratio is 85%-98%；And/or the water demand ratio of the agstone is 85%-98%.
In some preferred embodiments of the invention, the water demand ratio of the flyash is 88%-97%；And/or
The slag micropowder water demand ratio is 88%-98%；And/or the water demand ratio of the agstone is 88%-96%.
In some more preferably embodiments of the invention, the water demand ratio of the flyash is 92%-96%；
And/or the slag micropowder water demand ratio is 92%-97%；And/or the water demand ratio of the agstone is 90%-
95%.
In some further preferred embodiments of the invention, the water demand ratio of the flyash is 94%-96%；
And/or the slag micropowder water demand ratio is 95-97%；And/or the water demand ratio of the agstone is 92%-94%.
In some more preferably embodiments of the invention, the water demand ratio of the flyash is 95%；The mine
Slag micro mist water demand ratio is 96%；The water demand ratio of the agstone is 93%.
In certain embodiments of the present invention, the flyash includes SiO2、Al2O3、Fe2O3、CaO、MgO、SO3And
TiO2；
In other embodiments of the invention, the slag micropowder includes SiO2、Al2O3、Fe2O3、CaO、MgO、SO3
And TiO2。
In certain embodiments of the present invention, the agstone includes SiO2、Al2O3、Fe2O3, CaO, MgO and SO3。
In other embodiments of the invention, the flyash includes 40wt%-60wt%SiO2, 35wt%-
50wt%Al2O3, 6wt%-10wt%Fe2O3, 2wt%-7wt%CaO, 0.5wt%-1wt%MgO, 1wt%-5wt%SO3And
1wt%-5wt%TiO2。
In certain embodiments of the present invention, the slag micropowder includes 20wt%-30wt%SiO2, 10wt%-
20wt%Al2O3, 0.3wt%-1wt%Fe2O3, 40wt%-60wt%CaO, 5wt%-10wt%MgO, 5wt%-10wt%SO3
And 1wt%-6wt%TiO2。
In other embodiments of the invention, the agstone includes 0.2wt%-1wt%SiO2, 1wt%-
3wt%Al2O3, 0.2wt%-1wt%Fe2O3, 50wt%-60wt%CaO, 1wt%-5wt%MgO and 5wt%-10wt%SO3。
In certain embodiments of the present invention, the cement is ordinary portland cement.
In some preferred embodiments of the invention, the cement is 32.5,42.5 or 52.5 normal silicate water
Mud.
In some more preferably embodiments of the invention, the cement is 42.5 ordinary portland cements.
In some preferred embodiments of the invention, the flyash is Ι grades of flyash；The slag micropowder is
S95 grades of miberal powders.
In the present invention, the agstone is process by limestone is levigate.
Second aspect of the present invention provides the preparation method of composite gelled material described in first aspect present invention, including with
Lower step: cement, flyash, slag micropowder and optional agstone are mixed through mechanical stirring, obtain composite gelled material.
Third aspect present invention provides composite gelled material or second aspect of the present invention institute described in first aspect present invention
Application of the composite gelled material for the preparation method preparation stated in the preparation of embankment material.
In some preferred embodiments of the invention, the application is answering in the preparation of bank protection structure concrete
With.
Embodiment
To keep the present invention easier to understand, below in conjunction with embodiment, present invention be described in more detail, these realities
Apply example only serve it is illustrative, it is not limited to application range of the invention.If raw material used in the present invention or component nothing
Specified otherwise can be made by commercial sources or conventional method.
The main chemical compositions of flyash, slag micropowder and agstone are such as in following example 1-6 and comparative example 1 and 2
Following table:
| SiO2 | Al2O3 | Fe2O3 | CaO | MgO | SO3 | TiO2 | |
| Flyash (wt/%) | 40-60 | 35-50 | 6-10 | 2-7 | 0.5-1 | 1-5 | 1-5 |
| Miberal powder (wt/%) | 20-30 | 10-20 | 0.3-1 | 40-60 | 5-10 | 5-10 | 1-6 |
| Lime stone (wt/%) | 0.2-1 | 1-3 | 0.2-1 | 50-60 | 1-5 | 0-0.5 | -- |
Embodiment 1
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 50%, flyash: 15%, slag micropowder: 30%, agstone: 5%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Embodiment 2
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 50%, flyash: 20%, slag micropowder: 25%, agstone: 5%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Embodiment 3
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 40%, flyash: 25%, slag micropowder: 25%, agstone: 10%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Embodiment 4
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 30%, flyash: 30%, slag micropowder: 35%, agstone: 5%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Embodiment 5
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 30%, flyash: 20%, slag micropowder: 40%, agstone: 10%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Embodiment 6
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 50%, flyash: 20%, slag micropowder: 30%, agstone: 0；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Comparative example 1
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 65%, flyash: 15%, slag micropowder: 15%, agstone: 5%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
Comparative example 2
(1) Composite Cementing Materials Containing is combined by cement, flyash, slag micropowder, agstone, each group sub-prime
Amount percentage ratio: cement: 70%, flyash: 10%, slag micropowder: 5%, agstone: 15%；
(2) by PO42.5 cement, flyash, slag micropowder, agstone, pass through machine by the match ratio in step (1)
Tool stirring is mixed, and Composite Cementing Materials Containing is prepared into；
(3) the against corrosion of Composite Cementing Materials Containing is surveyed by GB2420-81 Rapid test for sulphate resistance of cement
Coefficient；By in " durability design and construction guidbook " (CCES01-2004) about RCM method relevant regulations, to glue
Sand 28d chloride diffusion coefficient is measured.
(4) the result is shown in tables 1.
The experimental result of 1 Composite Cementing Materials Containing of table
By result in table 1 it is found that using the Composite Cementing Materials Containing of each group distribution ratio in the present invention in embodiment 1-6
Coefficient against corrosion be apparently higher than 1,2 and PO42.5 of comparative example, and 28d chloride diffusion coefficient is also significant lower.Therefore, this hair
The performance for the compound erosion that bright middle Composite Cementing Materials Containing resists sulfate and chloride ion simultaneously is more superior.
It should be noted that embodiment described above for explaining only the invention, is not constituted to of the invention any
Limitation.By referring to exemplary embodiments, invention has been described, it should be appreciated that word used in it is descriptive
With explanatory vocabulary, rather than limited vocabulary.The present invention can be made within the scope of the claims by regulation
Modification, and the present invention is revised in without departing substantially from scope and spirit of the present invention.Although the present invention described in it relates to
And specific method, material and embodiment, it is not intended that the present invention is limited to particular case disclosed in it, on the contrary, this hair
It is bright to can be extended to other all methods and applications with the same function.
Claims (11)
1. a kind of composite gelled material, comprising:
The cement of component a), 20wt%-60wt%；
The flyash of component b), 10wt%-40wt%；
The slag micropowder of component c), 20wt%-50wt%；
The agstone of component d), 0wt%-20wt%.
2. composite gelled material according to claim 1, which is characterized in that micro- without steel slag in the composite gelled material
Powder.
3. composite gelled material according to claim 1 or 2, which is characterized in that the content of the cement is 25wt%-
55wt%, preferably 30wt%-50wt%；And/or the content of the flyash is 15wt%-35wt%, preferably 15wt%-
30wt%；And/or the content of the slag micropowder is 25wt%-45wt%, preferably 25wt%-40wt%；And/or the stone
The content of limestone flour is 1wt%-15wt%, preferably 2wt%-10wt%.
4. composite gelled material described in any one of -3 according to claim 1, which is characterized in that the ratio table of the flyash
Area is 300-600m2/ kg, preferably 400-550m2/ kg, more preferable 450-500m2/kg；And/or the ratio of the slag micropowder
Surface area is 300-600m2/ kg, preferably 400-550m2/ kg, more preferable 450-520m2/kg；And/or the agstone
Specific surface area is 300-600m2/ kg, preferably 400-550m2/ kg, more preferable 450-500m2/kg。
5. composite gelled material described in any one of -4 according to claim 1, which is characterized in that the flyash needs water
Amount is than being 85%-98%, preferably 88%-97%, more preferable 92%-96%；And/or the slag micropowder water demand ratio is
85%-98%, preferably 88%-98%, more preferable 92%-97%；And/or the water demand ratio of the agstone is 85%-
98%, preferably 88%-96%, more preferable 90%-95%.
6. composite gelled material described in any one of -5 according to claim 1, which is characterized in that the flyash includes
SiO2、Al2O3、Fe2O3、CaO、MgO、SO3And TiO2；And/or the slag micropowder includes SiO2、Al2O3、Fe2O3、CaO、
MgO、SO3And TiO2；And/or the agstone includes SiO2、Al2O3、Fe2O3, CaO, MgO and SO3。
7. composite gelled material described in any one of -6 according to claim 1, which is characterized in that the flyash includes
40wt%-60wt%SiO2, 35wt%-50wt%Al2O3, 6wt%-10wt%Fe2O3, 2wt%-7wt%CaO, 0.5wt%-
1wt%MgO, 1wt%-5wt%SO3And 1wt%-5wt%TiO2。
8. composite gelled material according to any one of claims 1-7, which is characterized in that the slag micropowder includes
20wt%-30wt%SiO2, 10wt%-20wt%Al2O3, 0.3wt%-1wt%Fe2O3, 40wt%-60wt%CaO, 5wt%-
10wt%MgO, 5wt%-10wt%SO3And 1wt%-6wt%TiO2。
9. composite gelled material described in any one of -8 according to claim 1, which is characterized in that the agstone includes
0.2wt%-1wt%SiO2, 1wt%-3wt%Al2O3, 0.2wt%-1wt%Fe2O3, 50wt%-60wt%CaO, 1wt%-
5wt%MgO and 5wt%-10wt%SO3。
10. a kind of preparation method of composite gelled material described in any one of -9 according to claim 1, including following step
It is rapid: cement, flyash, slag micropowder and optional agstone being mixed through mechanical stirring, obtain composite gelled material.
11. composite gelled material described in any one of -9 or preparation method described in any one of claim 10 according to claim 1
Application of the composite gelled material of preparation in the preparation of embankment material, the preferably application in the preparation of bank protection structure concrete.
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| CN101397198A (en) * | 2008-10-30 | 2009-04-01 | 上海大学 | Composite blending material for concrete and preparation method thereof |
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Effective date of registration: 20190611 Address after: 100083 Beijing City, Haidian District Institute of Rutosids No. 11 Applicant after: China University of Mining & Technology, Beijing Applicant after: Binzhou College Address before: 100083 Beijing City, Haidian District Institute of Rutosids No. 11 Applicant before: China University of Mining & Technology, Beijing |
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Application publication date: 20190514 |