Iron Ore Tailings As Fine Aggregate

  • (PDF) A Study on Utilization of Iron Ore Tailings as ...

    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.

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  • Utilization of Iron Ore Mines Waste as Civil Construction ...

    Sep 01, 2018· In iron and steel industry, Iron ore tailings (IOT) and slimes utilization is still an area of challenge, because of the low content of iron oxide present in them, which is unsuitable for metal extraction. ... In self-compacting concrete the replacement of fine aggregate with IOT up to 40% and red mud by cement up to 4% was evaluated .

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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 replacement of natural aggregate by the tailings significantly decreased the workability and compressive strength of the material.

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  • Tailings - Wikipedia

    Tailings are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.Tailings are distinct from overburden, which is the waste rock or other material that overlies an ore or mineral body and is displaced during mining without being processed.. The extraction of minerals from ore can be done two ways: placer mining, which uses water ...

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  • Utilisation of iron ore tailings as aggregates in concrete

    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 not

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

    Sep 01, 2016· Iron ore tailings (IOT) were obtained from one source in Johor; a southern State in Malaysian Peninsula. Physical test data showed that it had: specific gravity = 2.6, relative density = 1.27 g/cm 3, fineness modulus = 1.05 and water absorption rate = 7.0%.

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  • UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO …

    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 researchers in the field of Iron Ore Tailings and replacement of fine aggregates. Sujing Zhao et al (2014) [10] investigated that replacement of ...

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  • Study on application of iron tailings fine aggregate in ...

    Study on application of iron tailings fine aggregate in concrete Ke Tang1,a,* , Xuesong Mao1,b , Xinlei Tang1 1School of highway, Chang’an University, Xi’an, 710064, China aemail: [email protected] bemail: [email protected] Key words: Iron tailings, Mix design, Workability, Slump. Abstract: Natural sand plays a unique role in the mix proportion of road cement concrete, however,

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  • Effect of Replacing Sand by Iron Ore Tailings on the ...

    Furthermore, the fine particles less than 75μm in iron ore tailings sand are beneficial to the reduction of expansion induced by ASR. Sujing Zhao et al. [3] have explored the possibility of using iron ore tailings to replace natural aggregate to prepare UHPC (ultra …

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  • Characterization of Iron Ore Tailings as Fine Aggregate ...

    Request PDF | On Mar 1, 2020, Sikiru Folahan Oritola and others published Characterization of Iron Ore Tailings as Fine Aggregate | Find, read and cite …

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  • Recovering Iron from Iron Ore Tailings and Preparing ...

    Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at different points during a process involving pre-concentration followed by direct reduction and magnetic separation. Then, slag-tailing concrete composite admixtures were prepared from high-silica residues.

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  • Sustainable use of mine waste and tailings with suitable ...

    Utilization of mine waste rocks and tailings in concrete as aggregates will help in sustainable . and greener development. The literature shows the potential use of iron ore tailings as a replacement of . natural fine aggregates. As natural sand reserves are d. epleting day by day, there is a need for substitution for . sand in concrete.

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  • Study on application of iron tailings fine aggregate in ...

    Study on application of iron tailings fine aggregate in concrete Ke Tang1,a,* , Xuesong Mao1,b , Xinlei Tang1 1School of highway, Chang’an University, Xi’an, 710064, China aemail: [email protected] bemail: [email protected] Key words: Iron tailings, Mix design, Workability, Slump. Abstract: Natural sand plays a unique role in the mix proportion of …

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

    Replacement of natural fine aggregate by the iron ore tailings in 100 % quantities significantly decreased the workability and compressive strength of the material [4] [5][6]. Also showed, when ...

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

    Because taconite tailings are produced on the Iron Range, transportation to other ... hard rock containing low-grade iron ore used to make iron and steel. ... Gradations are similar to FA-1 fine aggregates for bituminous and concrete mixes and for sealcoats. The chart below provides average gradation values for coarse

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  • Characterization of Iron Ore Tailings as Fine Aggregate

    Iron ore tailings (IOTs) are common industrial solid waste products which are generated in enormous quantities during the production process of iron ore. By visual observation, this material shows some similarity with natural sand (NS); it was therefore desired to characterize the IOTs to further ascertain their use in concrete.

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  • Utilisation of iron ore tailings as aggregates in concrete

    Sep 07, 2015· However, the tensile strength exhibited by the iron ore tailings aggregates concrete in this work increased favourably with ageing and there is 4.8% improvement as compared with similar work where only 20% of natural sand fine aggregates were replaced by iron ore tailings as reported earlier by Ugama et al. .

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  • Research Article The Influences of Iron Ore Tailings as ...

    The Influences of Iron Ore Tailings as Fine Aggregate on the Strength of Ultra-High Performance Concrete ZhigangZhu,BeixingLi,andMingkaiZhou State Key Laboratory of Silicate Materials for Architecture, Wuhan University of Technology, Wuhan , China Correspondence should be addressed to Beixing Li; [email protected] ReceivedMarch ; Accepted August

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  • Utilisation of iron ore tailings as aggregates in concrete

    Sep 07, 2015· However, the tensile strength exhibited by the iron ore tailings aggregates concrete in this work increased favourably with ageing and there is 4.8% improvement as compared with similar work where only 20% of natural sand fine aggregates were replaced by iron ore tailings …

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  • An Experimental Study on Utilization of Iron Ore Tailings ...

    In this study, finely powdered waste glass from industries and Iron Ore Tailings (IOT) produced from mining areas are used as a partial replacement of cement and fine aggregates in concrete respectively. This work examines the possibility of using Glass powder and iron ore tailing as a partial replacement of cement and fine aggregate in concrete.

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  • Characterization of Iron Ore Tailings as Fine Aggregate ...

    Request PDF | On Mar 1, 2020, Sikiru Folahan Oritola and others published Characterization of Iron Ore Tailings as Fine Aggregate | Find, read and cite all the research you need on ResearchGate

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

    IJRET: International Journal of Research in Engineering and Technology. eISSN: 2319-1163 | pISSN: 2321-7308. UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE ...

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

    Jan 15, 2014· 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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  • UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE ...

    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 and the basic material properties, strength parameters are studied. It is found that as the IOT percentage increases in the mix workability is reduced.

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  • Iron ore tailings as a supplementary cementitious material ...

    Abstract In this paper, the characterisation of iron ore tailings (IOT) was carried out to examine its use as a supplementary cementitious material (SCM) to produce coloured composite cements. The IOT was heat treated, and ten different mixtures were prepared, substituting Portland cement for 10, 20 and 30 wt%. The IOT presented the sum of oxides of silicon, aluminium and iron higher than the ...

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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

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  • Properties of Sand Grout with Iron Ore Tailings as Fine ...

    Innovative researches on properties of sand grout with iron ore tailings (IOT) as fine aggregate were conducted. The results show that exclusive ferrous mineral in the IOT is merrihueite beside quartz in both IOT and nature sand (NS). IOT have similar thermal stability with NS. Sand grout with IOT has higher compressive strengths resulted from existence of …

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  • Effect of Iron Ore Tailings as Fine Aggregate on Pore ...

    Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this paper. The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings can improve the pore structures of mortars or not. Pore structure parameters were measured with the instrument of MIP and calculated with corollary software.

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  • Materials | Free Full-Text | Utilization of Iron Tailings ...

    The increasing annual emissions of iron ore tailings have proved a great threat to the natural environment, and the shortage of natural river sand, as well as the pursuit of sustainable development materials, provides motivation to reuse iron ore tailings as a fine aggregate in concrete. Due to the significantly different properties of iron tailings sand compared with natural river sand&mdash ...

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  • (PDF) Recovery of Ultra-Fine Iron Ore from Iron Ore Tailings

    Sep 26, 2020· Much research has been carried out on the resource utilization of iron tailings powder, including concrete fine aggregate [1], sewage treatment [2], …

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

    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. As the percentage increased the strength is also increased but only up to 30% ...

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  • Utilization of iron ore slime and bottom ash: An overview

    Feb 13, 2021· Steel plants are the primary producer of solid waste materials like slags from blast furnaces and L.D. Plant with fly ash /bottom ash from the power p…

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  • Hydraulic Tiles Produced with Fine Aggregates and Pigments ...

    In this sense, the present work describes how iron ore tailings (IOT) can be used in the production of cement-based (hydraulic) tiles. The physical, chemical, and mineralogical characterizations carried out demonstrated that the IOT beneficiation (segregation) process resulted in a high-quality siliceous aggregate and a Fe-rich clay.

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