CN106007529A - High-performance concrete and preparation method thereof - Google Patents
High-performance concrete and preparation method thereof Download PDFInfo
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- CN106007529A CN106007529A CN201610351017.0A CN201610351017A CN106007529A CN 106007529 A CN106007529 A CN 106007529A CN 201610351017 A CN201610351017 A CN 201610351017A CN 106007529 A CN106007529 A CN 106007529A
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- micropowder
- concrete
- cement
- iron powder
- performance concrete
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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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 invention discloses high-performance concrete, belonging to the field of building materials. The concrete consists of ultrafine iron powder, cement, phosphorus slag, ultrafine mineral powder and a superplasticizer, wherein the ultrafine mineral powder comprises ultrafine silica powder and ultrafine zeolite powder. The added ultrafine iron powder can enhance the concrete performance and improve durability; and the ultrafine mineral increases the concrete density and improves the thickness, and the concrete is not dispersed by water when applied to a building and thus is more uniform in a curing process to obtain high-performance concrete. The invention also discloses a preparation method of the high-performance concrete.
Description
Technical field
The present invention relates to a kind of concrete, be especially a kind of high performance concrete and preparation method thereof, belong to building material field.
Background technology
Along with the modernization development in city, the rise like the mushrooms after rain of increasing building, these buildings include office building, community high building, but regardless of the attribute type of these buildings, the most indispensable is the demand for concrete.Traditional concrete mainly includes water, cement, rubble, sand, and these are referred to as plain concrete, and its mechanical property ratio is relatively low, and fragility is bigger.In conventional use, plain concrete is intended merely as the construction in short house, but plain concrete substantially can not meet performance requirement for high buildings and large mansions of today, so, in plain concrete, add scum stone arise at the historic moment, it is usually after scum stone is pulverized and joins stirring and evenly mixing in plain concrete, that so can improve concrete bears pressure, reduce fragility, extend the working life of mixed territory material, in the case of but the potential defect of scum stone is that thin not or other concrete material particle diameters of pulverizing at scum stone are thin not, the fillibility of the concrete that this quadrat method prepares is inadequate, cause density poor, so can be substantially reduced the performance of concrete, therefore, how to improve the density of concrete, obtain high performance concrete and be always the technical barrier that those skilled in the art are to be solved.
Summary of the invention
Place of the present invention solves the technical problem that and is to overcome prior art defect, it is provided that a kind of high performance concrete and preparation method thereof.
In order to solve above-mentioned technical problem, the invention provides a kind of high performance concrete, including superfine iron powder, cement, phosphorus slag, super-thin mineral power, high efficiency water reducing agent, described super-thin mineral power is silica flour micropowder, zeolite powder micropowder, described superfine iron powder is 3:7 with the mass mixing ratio of cement, wherein with the quality of cement for percentage ratio reference, phosphorus slag, silica flour micropowder, zeolite powder micropowder, the mass ratio of high efficiency water reducing agent are respectively as follows:
Phosphorus slag: 10-15%
Silica flour micropowder: 1-2%
Zeolite powder micropowder: 5%
High efficiency water reducing agent: 1%.
As improvement, the mean diameter of described superfine iron powder is less than 200 microns.
As improvement, the mean diameter of described silica flour micropowder is 0.2 micron.
As improvement, described zeolite powder mean diameter is 0.1 micron.
Present invention also offers the preparation method of above-mentioned high performance concrete, specifically comprise the following steps that
1), microemulsion method is used to prepare superfine iron powder；
2), by superfine iron powder, cement, high efficiency water reducing agent three mixing, the water mixing of the 20% of addition cement quality, 10-15 minutes are at room temperature stood；
3), will stand after mixture in add phosphorus slag, super-thin mineral power, stirring and evenly mixing again, the temperature wherein mixed must not be less than 5 DEG C.
The beneficial effects of the present invention is: (1), concrete material adds iron powder can improve the mechanical property of plain concrete, reduce the fragility of material, extend the life-span of xoncrete structure；(2) furthermore add iron powder be superfine iron powder, can with the performance of Concrete Structure and improve durability；(3), wherein fine mineral matter make the increase in density of concrete, abundant property strengthens, and will not be disperseed by water during building uses, then more uniform, to improve performance during solidification.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment
1
High performance concrete in the present embodiment, including superfine iron powder, cement, phosphorus slag, super-thin mineral power, high efficiency water reducing agent, described super-thin mineral power is silica flour micropowder, zeolite powder micropowder, described superfine iron powder is 3:7 with the mass mixing ratio of cement, wherein with the quality of cement for percentage ratio reference, phosphorus slag, silica flour micropowder, zeolite powder micropowder, the mass ratio of high efficiency water reducing agent are respectively as follows: phosphorus slag 10%, silica flour micropowder: 1%, zeolite powder micropowder: 5%, high efficiency water reducing agent: 1%.
Concrete preparation method:
1, using microemulsion method to prepare superfine iron powder, select the strong reductant reduction iron salt at a low price of potassium borohydride, low price iron salt therein selects ferric chloride, and the molal weight of potassium borohydride is 6mol, and the molal weight of ferric chloride is 2mol, prepares superfine iron powder；
2, by superfine iron powder, cement, high efficiency water reducing agent three mixing, the water mixing of the 20% of addition cement quality, at room temperature stand 10-15 minute；
3, adding phosphorus slag, silica flour micropowder and zeolite powder micropowder, stirring and evenly mixing again in the mixture after standing, the temperature wherein mixed must not be less than 5 DEG C.
Embodiment
2
High performance concrete in the present embodiment, including superfine iron powder, cement, phosphorus slag, super-thin mineral power, high efficiency water reducing agent, described super-thin mineral power is silica flour micropowder, zeolite powder micropowder, described superfine iron powder is 3:7 with the mass mixing ratio of cement, wherein with the quality of cement for percentage ratio reference, phosphorus slag, silica flour micropowder, zeolite powder micropowder, the mass ratio of high efficiency water reducing agent are respectively as follows: phosphorus slag 15%, silica flour micropowder: 2%, zeolite powder micropowder: 5%, high efficiency water reducing agent: 1%.
Concrete preparation method is with embodiment 1.
Embodiment
3
High performance concrete in the present embodiment, including superfine iron powder, cement, phosphorus slag, super-thin mineral power, high efficiency water reducing agent, described super-thin mineral power is silica flour micropowder, zeolite powder micropowder, described superfine iron powder is 3:7 with the mass mixing ratio of cement, wherein with the quality of cement for percentage ratio reference, phosphorus slag, silica flour micropowder, zeolite powder micropowder, the mass ratio of high efficiency water reducing agent are respectively as follows: phosphorus slag 13%, silica flour micropowder: 1%, zeolite powder micropowder: 5%, high efficiency water reducing agent: 1%.
Concrete preparation method is with embodiment 1.
In the various embodiments described above of the present invention, the mean diameter of superfine iron powder is less than 200 microns；The mean diameter of silica flour micropowder is 0.2 micron；Zeolite powder mean diameter is 0.1 micron.
Above the detailed description of the invention of the present invention is described, but the present invention is not limited to above description.For a person skilled in the art, any equal amendment to the technical program and replacement are all within the scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (5)
1. a high performance concrete, it is characterized in that: include superfine iron powder, cement, phosphorus slag, super-thin mineral power, high efficiency water reducing agent, described super-thin mineral power is silica flour micropowder, zeolite powder micropowder, described superfine iron powder is 3:7 with the mass mixing ratio of cement, wherein with the quality of cement for percentage ratio reference, phosphorus slag, silica flour micropowder, zeolite powder micropowder, the mass ratio of high efficiency water reducing agent are respectively as follows:
Phosphorus slag: 10-15%
Silica flour micropowder: 1-2%
Zeolite powder micropowder: 5%
High efficiency water reducing agent: 1%.
High performance concrete the most according to claim 1, it is characterised in that: the mean diameter of described superfine iron powder is less than 200 microns.
High performance concrete the most according to claim 1 and 2, it is characterised in that: the mean diameter of described silica flour micropowder is 0.2 micron.
High performance concrete the most according to claim 3, it is characterised in that: described zeolite powder mean diameter is 0.1 micron.
5. the preparation method of high performance concrete described in claim 1, it is characterised in that specifically comprise the following steps that
1), microemulsion method is used to prepare superfine iron powder；
2), by superfine iron powder, cement, high efficiency water reducing agent three mixing, the water mixing of the 20% of addition cement quality, 10 are at room temperature stood
-15 minutes；
3), will stand after mixture in add phosphorus slag, super-thin mineral power, stirring and evenly mixing again, the temperature wherein mixed must not be less than 5 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610351017.0A CN106007529A (en) | 2016-05-25 | 2016-05-25 | High-performance concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610351017.0A CN106007529A (en) | 2016-05-25 | 2016-05-25 | High-performance concrete and preparation method thereof |
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| CN106007529A true CN106007529A (en) | 2016-10-12 |
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| CN201610351017.0A Pending CN106007529A (en) | 2016-05-25 | 2016-05-25 | High-performance concrete and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108218324A (en) * | 2018-03-27 | 2018-06-29 | 内蒙古云农实业有限公司 | A kind of light-weight aggregate bend resistance concrete |
| CN108383440A (en) * | 2018-03-27 | 2018-08-10 | 内蒙古云农实业有限公司 | A kind of high-strength bend resistance concrete of full solid waste and preparation method thereof |
| CN109734375A (en) * | 2019-01-30 | 2019-05-10 | 浙江广天构件股份有限公司 | A kind of iron-aggregate concrete and preparation method for counter weight construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108218324A (en) * | 2018-03-27 | 2018-06-29 | 内蒙古云农实业有限公司 | A kind of light-weight aggregate bend resistance concrete |
| CN108383440A (en) * | 2018-03-27 | 2018-08-10 | 内蒙古云农实业有限公司 | A kind of high-strength bend resistance concrete of full solid waste and preparation method thereof |
| CN108383440B (en) * | 2018-03-27 | 2021-06-01 | 内蒙古云农实业有限公司 | Full-solid-waste high-strength anti-bending concrete and preparation method thereof |
| CN109734375A (en) * | 2019-01-30 | 2019-05-10 | 浙江广天构件股份有限公司 | A kind of iron-aggregate concrete and preparation method for counter weight construction |
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Application publication date: 20161012 |