CN101423361A - Steel slag concrete formulation - Google Patents
Steel slag concrete formulation Download PDFInfo
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- CN101423361A CN101423361A CNA2008102031831A CN200810203183A CN101423361A CN 101423361 A CN101423361 A CN 101423361A CN A2008102031831 A CNA2008102031831 A CN A2008102031831A CN 200810203183 A CN200810203183 A CN 200810203183A CN 101423361 A CN101423361 A CN 101423361A
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- China
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- concrete
- steel slag
- slag
- concrete formulation
- composition
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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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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a steel slag concrete composition, which comprises the following components in weight portion: 1 portion of cement, 3.0 to 5.5 portions of steel slag special fine aggregate, 2.0 to 5.0 portions of steel slag coarse aggregate, 1.5 to 2.5 portions of stone and 0.4 to 0.6 portion of water. The steel slag concrete composition can improve the flow property of concrete, facilitate the construction, increase the compactness of the concrete, and improve the endurance quality of the concrete; and due to the characteristics of steel slag, the composition can relatively improve the abrasion resistance, the bending resistance of the concrete, and other aspects; the composition also effectively increases the added value of the steel slag, and further reduces the demand of the concrete on natural sandstone resources; from the aspect of economy, the composition lowers production cost of the concrete; and from the aspect of practicality, the composition has perfect performances of the steel slag such as abrasion performance and advantages of improving flow capability and compactness of the concrete held by the steel slag special fine aggregate, thereby improving the comprehensive property of the concrete and prolonging the service life of the concrete.
Description
Technical field
The present invention relates to a kind of high performance concrete, be specifically related to a kind of high performance concrete composition that contains the extraordinary fine aggregate of slag.
Background technology
In the economic structure of current resource scarcity type, energy day is becoming tight, and environmental requirement is more and more higher, can reduce the production cost of sand-cement slurry greatly as aggregate with natural resourcess such as solid waste replacement yellow ground, reduce mine natural resources exploitation, promote enterprise and harmonious development social, environment.And in the process of carrying out the steel slag resource utilization energetically, its application in building trade is the focus of research always, and some achievements in research have been obtained, comprise that slag micro powder simply substitutes research that sandstone gathers materials etc. as the application of concrete admixture and slag, but the latter's research is still comparatively extensive, has many defectives and labile factor in large-scale production and application.
Summary of the invention
The objective of the invention is to disclose a kind of new steel slag concrete formulation,, satisfy the needs of relevant department to overcome the above-mentioned defective that prior art exists.
Steel slag concrete formulation of the present invention comprises the component of following weight part:
1 part of cement
3.0-5.5 parts of the extraordinary fine aggregates of slag
2.0-5.0 parts of slag coarse aggregates
1.5-2.5 parts in stone
0.4-0.6 part in water
Preferably, the admixture that also comprises cement weight 0～2%.
By weight, the particle diameter of the extraordinary fine aggregate of described slag is: particle diameter is that the content of following content＜25%, the 0.315～0.630mm of 0.315mm is 50%, and the above content of 0.630mm is＜25%;
The particle diameter of described slag coarse aggregate is 3～10mm;
The quality index of extraordinary fine aggregate of described slag and slag coarse aggregate is as follows: f-CaO content≤3%; Wherein: f-CaO refers to free calcium oxide;
The extraordinary fine aggregate of described slag coarse aggregate and slag is after the liquid steel slag of steel-making generation is handled through the shrend chilling, the product that complete processings such as process magnetic separation again, screening obtain.
The particle diameter of described stone is 5～16mm;
Described admixture is a water reducer, as naphthalene water reducer, poly carboxylic acid series water reducer etc., can adopt commercially available product;
Described cement is ordinary Portland cement;
Described slag coarse aggregate mainly plays skeleton function;
The extraordinary fine aggregate of slag substitutes 30%～60% concrete aggregate as the concrete aggregate adulterant, substitutes and adopts equal-volume alternate principle, has both improved concrete flowability, has also improved concrete degree of compactness simultaneously.
Steel slag concrete formulation of the present invention can improve concrete flowing property, is convenient to construction; Strengthen concrete degree of compactness, improve durability of concrete; Simultaneously because the slag self characteristics all has relative improvement to aspects such as concrete wear resistance, fold resistances.Consider from environmental angle, effectively improved the value added of slag, promoted the state of the art of steel slag resource utilization, further reduced the demand of concrete simultaneously natural sand and stone resources; Consider from economic angle, reduced concrete manufacturing cost, considered, excellent properties and the peculiar advantages of improving concrete flowability and degree of compactness of the extraordinary fine aggregate of steel grade such as the wear resistance of slag from practical standpoint, can improve concrete over-all properties, and prolong its work-ing life.
Embodiment
Embodiment 1～2, and the comparative example 1～2
With configuration 1m
3Weight concrete is an example, and the component of embodiment is weight, and proportioning sees Table 1.
Table 1
| Material component | Embodiment 1 | Embodiment 2 | Comparative Examples 1 | Comparative Examples 2 |
| Cement | 280 | 280 | 280 | 280 |
| Slag thin aggregate | 900 | 1400 | 0 | 0 |
| Yellow ground | 0 | 0 | 800 | 800 |
| The slag coarse aggregate | 1000 | 600 | 0 | 700 |
| Stone | 600 | 500 | 1150 | 600 |
| Water | 160 | 160 | 160 | 160 |
| Admixture | 1.7 | 1.7 | 1.7 | 1.7 |
The performance perameter of material is as follows:
Cement: 42.5 grades of ordinary Portland cements;
The extraordinary fine aggregate of slag: particle diameter is that the following content of 0.315mm is that the content of 25%, 0.315～0.630mm is 50%, and the above content of 0.630mm is 25%;
The slag coarse aggregate: particle size distribution range is 3～10mm;
Stone: rubble, particle size range 5～16mm;
Admixture is a water reducer, poly carboxylic acid series water reducer;
Each above-mentioned material is mixed, can obtain product.
Detect according to GB/T50080 " Standard for test methods of properties of ordinary concrete mixture standard " and GB/T50081 " standard for test methods of mechanical properties of ordinary concrete ", the results are shown in Table 2.
Table 2
| Numbering | Slump mm | Ultimate compression strength Mpa | Folding strength Mpa |
| Embodiment 1 | 100 | 36.4 | 7.1 |
| Embodiment 2 | 120 | 35.4 | 7.0 |
| Comparative Examples 1 | 80 | 28.9 | 6.2 |
| Comparative Examples 2 | 85 | 30.5 | 6.8 |
Claims (8)
1. steel slag concrete formulation is characterized in that, comprises the component of following weight part:
1 part of cement
3.0-5.5 parts of the extraordinary fine aggregates of slag
2.0-5.0 parts of slag coarse aggregates
1.5-2.5 parts in stone
0.4-0.6 part in water.
2. steel slag concrete formulation according to claim 1 is characterized in that, also comprises admixture, and admixture is 0～2% of a cement weight.
3. steel slag concrete formulation according to claim 1 is characterized in that, by weight, by weight, the particle diameter of the extraordinary fine aggregate of described slag is: particle diameter is that the content of following content＜25%, the 0.315～0.630mm of 0.315mm is 50%, and the above content of 0.630mm is＜25%.
4. steel slag concrete formulation according to claim 1 is characterized in that, the particle diameter of described slag coarse aggregate is 3～10mm.
5. steel slag concrete formulation according to claim 1 is characterized in that, the quality index of extraordinary fine aggregate of described slag and slag coarse aggregate is as follows: f-CaO content≤3%.
6. steel slag concrete formulation according to claim 1 is characterized in that, extraordinary fine aggregate of described slag and slag coarse aggregate are after the liquid steel slag of steel-making generation is handled through the shrend chilling, the product of process magnetic separation again, the acquisition of screening complete processing.
7. steel slag concrete formulation according to claim 1 is characterized in that, the particle diameter of described stone is 5～16mm.
8. steel slag concrete formulation according to claim 1 is characterized in that, described cement is conventional silicate cement, or strength grade is higher than 42.5 grades of ordinary Portland cements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102031831A CN101423361A (en) | 2008-11-21 | 2008-11-21 | Steel slag concrete formulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102031831A CN101423361A (en) | 2008-11-21 | 2008-11-21 | Steel slag concrete formulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101423361A true CN101423361A (en) | 2009-05-06 |
Family
ID=40614271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102031831A Pending CN101423361A (en) | 2008-11-21 | 2008-11-21 | Steel slag concrete formulation |
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| Country | Link |
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| CN (1) | CN101423361A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250082A (en) * | 2013-06-28 | 2014-12-31 | 上海宝冶钢渣综合开发实业有限公司 | Steel slag shotcrete for maritime work pipe and its preparation method and use |
| CN105541217A (en) * | 2015-12-14 | 2016-05-04 | 上海中冶环境工程科技有限公司 | Impermeable concrete prepared from steel slags |
| CN109437933A (en) * | 2018-12-04 | 2019-03-08 | 上海中冶环境工程科技有限公司 | A kind of semi-drying is without concrete steel slag grid and preparation method thereof |
| CN113754368A (en) * | 2021-08-10 | 2021-12-07 | 广州大学 | Concrete and preparation method and application thereof |
| CN114031350A (en) * | 2021-12-07 | 2022-02-11 | 上海中冶环境工程科技有限公司 | Solid waste base heavy concrete and preparation method and application thereof |
| CN114044656A (en) * | 2021-12-03 | 2022-02-15 | 上海中冶环境工程科技有限公司 | Dry and hard concrete and preparation method thereof |
| CN117263613A (en) * | 2023-09-22 | 2023-12-22 | 邯郸市盛建新型建材股份有限公司 | Concrete based on solid waste material and preparation method thereof |
-
2008
- 2008-11-21 CN CNA2008102031831A patent/CN101423361A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250082A (en) * | 2013-06-28 | 2014-12-31 | 上海宝冶钢渣综合开发实业有限公司 | Steel slag shotcrete for maritime work pipe and its preparation method and use |
| CN105541217A (en) * | 2015-12-14 | 2016-05-04 | 上海中冶环境工程科技有限公司 | Impermeable concrete prepared from steel slags |
| CN109437933A (en) * | 2018-12-04 | 2019-03-08 | 上海中冶环境工程科技有限公司 | A kind of semi-drying is without concrete steel slag grid and preparation method thereof |
| CN113754368A (en) * | 2021-08-10 | 2021-12-07 | 广州大学 | Concrete and preparation method and application thereof |
| CN114044656A (en) * | 2021-12-03 | 2022-02-15 | 上海中冶环境工程科技有限公司 | Dry and hard concrete and preparation method thereof |
| CN114031350A (en) * | 2021-12-07 | 2022-02-11 | 上海中冶环境工程科技有限公司 | Solid waste base heavy concrete and preparation method and application thereof |
| CN117263613A (en) * | 2023-09-22 | 2023-12-22 | 邯郸市盛建新型建材股份有限公司 | Concrete based on solid waste material and preparation method thereof |
| CN117263613B (en) * | 2023-09-22 | 2024-03-08 | 邯郸市盛建新型建材股份有限公司 | Concrete based on solid waste material and preparation method thereof |
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Application publication date: 20090506 |