Effect of Iron Tailings Fine Powder as Admixture on the
2.1 Test Raw Materials (1) Cement: adopt Shaanxi Tongchuan Shengwei P·O 42.5 grade. (2) admixture: fine powder fineness of iron tailings is 25.9%, mobility ratio is 99%; Fly …
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Preparation of Mineral Admixture from Iron Tailings with …
1. Introduction. In recent years, the massive accumulation of solid waste, such as iron tailings and red mud, has caused serious problems to the ecological environment [1,2,3].Studies related to …
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Experimental Study on the Properties of Concrete Mixed with Iron …
After adding iron ore tailings to concrete, more slurry was required to pad the architecture, thereby causing the tailing mixes' compressive strength at 7 d to become lower …
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Field application and effect evaluation of different iron tailings …
When evaluating the mechanical properties, the results show that soil–cement mixtures with iron ore tailings can be an excellent alternative as a pavement material. The …
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Effect of Iron Tailings as Fine Aggregate and Mineral …
by using iron tailings to completely replace natural sand, whereas that of concrete with a low water/cement ratio had a slightly decrease. For ultra-high strength concrete, the iron tailings …
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UTILIZATION OF IRON ORE TAILINGS AS …
In the present study Iron Ore Tailings (IOT) procured from Kudremukh Lakya Dam site (KIOCL Ltd.) are used as partial replacement to fine aggregates at levels of 10, 20,30,40,50 percent
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Effect of iron ore tailings as partial replacement to fine …
The findings indicate that concrete with 35% iron ore tailings replacement performs similarly to natural sand concrete and it can be used in engineering. Xiaoyan et al. …
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Optimization of Ultra-High-Performance Concrete Using a …
This study investigates the use of iron mine tailings (ITs) as a fine aggregate and a clinker-free binder composed of ground granulated blast-furnace slag (GBFS), desulfurization …
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Investigating the hydration characteristics of iron tailings …
However, the hydration characteristics of ITP were still inferior to that of cement, making it difficult to eliminate the dilution effect caused by substituting cement with iron tailings …
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The Concrete Performance with Iron Tailings Sand Modified …
To make the concrete with iron tailings sand have a good performance under aggressive environment, some scholars have conducted corresponding research on …
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Converting Iron Mine Tailings into Composite …
AbstractIron tailings (IT) are by-products of iron ore mining, which have the characteristics of high stockpile and low cost. Recycling IT as alternatives for high-quality quartz sand (QS) in ultrahigh-performance mortar …
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Utilization of Iron Ore Tailings as Fine Aggregates in Concrete
Take the iron tailings concrete prepared by Ftmmachinery as an example: Raw materials. Cement: Ordinary Portland cement. Know more about the cement grinding station. …
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Utilizing Iron Ore Tailing as Cementitious Material for Eco …
It has been demonstrated that iron ore tailings can be applied to produce concrete materials [11,31]. It is found that the mechanical property of engineered cementitious composites (ECC) …
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Utilization of iron ore tailings with high volume in green concrete
Iron ore tailings (IOTs) are a byproduct of the iron ore beneficiation process and are a significant source of solid waste [13, 14].In China alone, an astounding 600 million tons of …
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Utilization of Iron Tailings Sand as an Environmentally …
For iron tailings sand concrete, the use of SAP, SRA and CPFL could also increase the internal RH of concrete, albeit to a different extent. More specifically, the application of …
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Carbonation Resistance and Pore Structure of Mixed-Fiber …
The disposal of industrial by-product tailings has become an important issue in solving environmental pollution. In this study, 15%, 30%, 50%, and 70% iron tailings were …
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Utilization of tailings in cement and concrete: A …
One of the advantages of cement and the cement concrete industry in sustainability is the ability to utilize large amounts of industrial solid wastes such as fly ash and ground granulated blast furnace slag. Tailings are solid wastes …
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Cementitious activity of iron ore tailing and its utilization in
Iron ore tailing (IOT) is an industrial solid waste produced after beneficiation process of iron ores. It is a kind of fast accumulated waste due to the increasing demand for …
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Modification of Iron-Tailings Concrete with Biochar and …
Currently, less than 15% of waste iron tailings are utilized. Iron tailings can be used as fine aggregate in concrete, but this kind of concrete has no coarse aggregate, …
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Application of leached iron ore tailings to produce …
Iron ore tailings (IOT) can be processed via hot acid leaching. ... Test research on hydration process of cement-iron tailings powder composite cementitious materials. Powder …
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Field application and effect evaluation of different iron tailings …
Therefore, there is an urgent need to develop cost-effective tailings utilization technologies. The iron tailings are often used to make ceramsite, cement and other building …
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Optimizing 1-hydroxyethylidene-1,1-diphosphonic acid and …
This paper studies the technological feasibility of using iron ore tailings as additives in cement pavers for the optimization of the mechanical properties and color modulation.Thus, …
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UTILIZATION OF IRON ORE TAILINGS AS …
3.1.4 Iron Ore Tailings Tailings are the materials left over, after the process of separating the valuable fraction from the worthless fraction of an ore. Tests on Iron Ore Tailings procured …
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Concrete Made with Iron Ore Tailings as a Fine …
Compressive strength of concrete with 20% substitution of IOT is 14% more than reference concrete. Furthermore, up to 40% substitution of IOT produces concrete that has sufficient flowability and compactability. Scan …
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Application of Iron Tailings-Based Composite …
1. Introduction. The continuous development of mineral resources forms many tailings, which is one of the rich solid waste resources. The accumulation of tailings pollutes …
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Modified Magnesium Oxysulfate Cement Doped with Iron Tailings …
Yi Longsheng et al. utilized iron tailing powder as an admixture to prepare ed cement. The optimum ratio was 55% iron tailings and 45% Portland cement with additional …
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Harnessing iron tailings as supplementary cementitious …
The increasing demand for sustainable construction materials has led to the exploration of iron tailings (ITs) as supplementary cementitious materials (SCMs) in Limestone …
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Concrete Made with Iron Ore Tailings as a Fine …
concrete made from abandoned iron ore tailings in Iraq, and the findings showed that it performed better than regular concrete and displayed greater compressive str ength and flexural strength.
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Utilisation of iron ore tailings as aggregates in concrete
Sustainable handling of iron ore tailings is of prime concern to all stakehold-ers who are into iron ore mining. This study seeks to add value to the tailings by utilis-ing them as a replacement for …
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