iron ore tailings as fine aggregate

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  • Utilization of iron ore tailings as fine aggregate in ...

    In this paper, the possibility of using iron ore tailings to replace natural aggregate to prepare UHPC under two different curing regimes was investigated. It was found that 100% replacement of natural aggregate by the tailings significantly decreased the workability and .

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  • Evaluation of iron ore tailings as replacement for fine ...

    Millions of tons of iron ore tailings (IOT); a by-product of iron ore processing, are disposed of every year in landfills, quarries, rivers, oceans among others thereby posing environmental problems. The major aim of this study is to evaluate IOT as replacement for river sand in concrete and compare with the result of conventional concrete.

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  • Utilization of iron ore tailings as replacement to fine ...

    An attempt is made with Iron Ore Tailings as a partial replacement of fine aggregate in the concrete. The main aim of this section is to present an overview of .

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  • Experimental and Statistical Evaluations of Strength ...

    2020-01-01· Iron ore tailings (IOT) are the by-products of iron ore beneficiation, and these tailings are disposed of in several tons annually in quarries, landfills, and tailings dams, causing environmental issues. Various researchers have attempted to study the properties of IOT and the use of them in concrete as a building material.

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  • Utilisation of iron ore tailings as aggregates in concrete

    The aim of this paper is to study the feasibility of using the iron ore tailings as both fine and coarse aggregates in making concrete. The paper evaluates the technical and environmental characteris- tics of the concrete with the main concern of recycling and adding economic value to the iron ore

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  • iron ore mine tailings - tsakanigroup

    The iron ore tailings consist of a moderate amount of various heavy metals, e.g., copper, iron, manganese, lead, zinc, and a lower level of macronutrients. A few living organisms have been found colonizing this manmade habitat. Inquire Now; Vale opens largest iron ore mine in its history . Vale SA (NYSE:VALE) cut the ribbon on a massive iron ore mine in Brazil on Saturday the largest in its ...

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  • Study on Utilization of Iron Ore Tailings as Fine ...

    Study on Utilization of Iron Ore Tailings as Fine Aggregates and GGBS as Partial Substitute in Concrete - written by Shwetha R A published on 2017/06/29 download full article with reference data and citations

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  • Experimental Study on the Properties of Concrete Mixed ...

    The iron ore tailings were collected from a copper-iron mine in Zibo city. The particles appear as fine gray granular, and the fineness modulus was within 1.9~2.3. Comparison of particle size between the collected iron ore tailings and natural sand from Wen River was shown in Figure 1. Figure 1

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  • How Can I Learn More about Using Taconite Tailings as an ...

    hard rock containing low-grade iron ore used to make iron and steel. Using explosives, taconite is blasted into pieces that are then crushed into smaller pieces at a processing plant. After the iron ore is separated from the taconite, the tailings are the remaining by-product. Tailings are either placed in tailings basins or held in reserve for some other purpose. One-half to two-thirds of all ...

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  • PREPARATIONS OF COMPOSITE CONCRETES USING IRON ORE ...

    Keywords: iron ore tailings, fine aggregate, compressive, flex-compression ratio, crack resistance Avtorji so izvajali preizkuse, da bi ugotovili ali so lahko odpadki `elezove rude iz Lingxianga pri mestu Huangshi v provinci Hubei na Kitajskem kot fini agregat ustrezna zamenjava za obi~ajni pesek v me{anici za beton. Pripravili so me{anico betona kvalitete 35 (s tla~no trdnostjo 35 MPa). Pesek ...

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  • iron ore tailings as fine aggregate

    iron ore tailings as fine aggregate | Solution for ore mining. iron ore tailings may be utilised for complete replacement for conventional aggregates in concrete. The iron ore tailings aggregates concrete exhibited a good mechanical strength and even in the case of compressive strength, there was an improvement of 11.56% over conventional aggregates concrete. The indirect tensile strength did ...

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  • Utilization of iron ore tailings as fine aggregate in ...

    2014-01-15· Iron ore tailings have the potential to be used as fine aggregate because they are relatively inert and the particle size of the tailings is significantly larger than that of cement.

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  • iron ore as fine aggregate - assen-koerier

    Iron ore tailings Fine aggregate Strength Pore structure Microstructure abstract Iron ore tailings are a common type of hazardous solid waste in China and have caused serious environmental problems, and the high cost of producing ultra-high performance concrete (UHPC) provides the motivation to look for low-priced raw materials . Get Price; specification of water absorption of fine aggregate ...

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  • Effects of iron ore tailings on the compressive strength ...

    Iron ore tailings (IOT) are mining waste obtained during the beneficiation process to concentrate iron ore,. The discharge capacity of tailings in China increases every year, accounting for more than 50% of the world's tailings discharge. The storage of IOT accounts for nearly one-third of all kinds of tailings.

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  • Study on Utilization of Iron Ore Tailings as Fine ...

    Study on Utilization of Iron Ore Tailings as Fine Aggregates and GGBS as Partial Substitute in Concrete - written by Shwetha R A published on 2017/06/29 download full .

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  • Study on Utilization of Iron Ore Tailings as Fine ...

    Abstract -In this study, M20 grade of concrete was produced by complete replacing fine aggregate by Iron ore tailings, and GGBS as partial substitute to cement at 10%, 20%, 30% and 40%. The cubes were casted and their compressive strengths were evaluated at 7, 14 and 28 days.

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  • Utilization of iron ore tailings as fine aggregate in ...

    Iron ore tailings were used as aggregate at different replacement levels to make UHPC. The tailings were characterized by techniques like SEM, XRD and nanoindentation. The mechanical properties of UHPC mortars and UHPC were measured. The pore structure and .

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  • Characterization of Iron Ore Tailings as Fine Aggregate

    Title: Characterization of Iron Ore Tailings as Fine Aggregate. Author(s): Sikiru Folahan Oritola, Abdul Latif Saleh, and Abdul Rahman Mohd Sam. Publication: Materials Journal. Volume: 117. Issue: 2. Appears on pages(s): 125-134. Keywords: concrete-making material; fine aggregate; iron ore tailings; microscopy of material; sustainability; waste material. Date: 3/1/2020. Abstract: Iron ore ...

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  • Utilization of iron ore tailings as replacement to fine ...

    An attempt is made with Iron Ore Tailings as a partial replacement of fine aggregate in the concrete. The main aim of this section is to present an overview of research work carried out by various...

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  • Utilisation of iron ore tailings as aggregates in concrete

    (2015). Utilisation of iron ore tailings as aggregates in concrete. Cogent Engineering: Vol. 2, No. 1, 1083137.

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  • Experimental Study on the Properties of Concrete Mixed ...

    The iron ore tailings were collected from a copper-iron mine in Zibo city. The particles appear as fine gray granular, and the fineness modulus was within 1.9~2.3. Comparison of particle size between the collected iron ore tailings and natural sand from Wen River was shown in Figure 1. Figure 1

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  • Experimental Study on Iron Ore Tailings and Bottom Ash as ...

    iron ore tailings and bottom ash as fine aggregates in concrete is taken for study. Initially replacement of fine aggregate with 10%, 20%, 30%, 40% and 50% iron ore tailings was done. Then replacement of fine aggregate with 10%, 20%, 30%, 40% and 50% bottom ash was also done. The fresh and hardened state properties of concrete in both cases were studied and compared. The various tests have ...

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  • Evaluation of iron ore tailings as replacement for fine ...

    2016-09-01· Millions of tons of iron ore tailings (IOT); a by-product of iron ore processing, are disposed of every year in landfills, quarries, rivers, oceans .

    Learn More
  • Experimental and Statistical Evaluations of Strength ...

    Iron ore tailings (IOT) are the by-products of iron ore beneficiation, and these tailings are disposed of in several tons annually in quarries, landfills, and tailings dams, causing environmental issues. Various researchers have attempted to study the properties of IOT and the use of .

    Learn More