effect of iron ore tailings as aggregate

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  • Experimental study on strength properties of concrete ...

     · and other building materials. Recent past years Iron ore tailings the large production in Indian steel industries due to heavy demand of construction. To reduce the environmental issues replacement of fine aggregate and cement as IOT and marble dust respectively plays an important role and it acts as an alternative method too.

  • PAPER OPEN ACCESS Comprehensive Utilization of Iron ...

     · tailings discharged by iron ore dressing plants in China are about 130-170 millions t, and the existing ... tailings stockpiling, filling aggregate cost and so on. Zhou[23] have good effect on filling the goaf with dry tailings of an iron ore factory in chengde area. At mazhuang iron mine, laiwu mining co., LTD., after grouting iron tailings ...

  • Effect on compressive and tensile strength of cement ...

    of Cement Concrete when fine aggregate is replaced by iron ore tailings at different proportion. 1.3 Scope of the project: - The increasing demand for heavy construction material like steel and iron has resulted in the ent of many iron ore mining companies. Iron Ore Tailings (IOT) is the waste generated from iron ore It can be found near ...

  • Effect of iron ore tailing on the properties of concrete

     · Civil and Environmental Research ISSN 2224-5790 (Paper) ISSN 2225-0514 (Online) Vol.6, 0, 2014 7 Effect of Iron Ore Tailing on the Properties…

  • SYNTHESIS OF KUDREMUKH IRON ORE TAILING BASED …

    Limited. Properties of iron ore tailing has found out. IOT has specific gravity of 3.16, pH of 9.56, electrical conductivity of 141 S/cm and it has the total dissolved solids 88.9 mg/l. Iron ore tailings contains the irregular shaped 2particles. In Fig 3 XRD pattern shows that quartz is the major mineral phase present in it. Table 2: Physical ...

  • Revenue Generating Opportunities for Recycling ...

     · Jun 23, 2021 (Financial News Media via COMTEX) -- Palm Beach, FL - June 23, 2021 - Iron ore tailings are a form of solid waste produced during the...

  • EFFECT OF SULPHURIC ACID ON CONCRETE WITH IRON ORE ...

     · Iron ore tailings are the materials left-over after separating the valuable fraction from the uneconomic fraction of an ore. To study the effect of sulphuric acid, concrete of 100 mm cube with a different mix ratios containing IOT were prepared and cured for 28 days in water.

  • Characterization of Iron Ore Tailings as Fine Aggregate

     · Abstract: 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.

  • Comprehensive reutilization of iron in iron ore tailings ...

     · A large number of iron ore tailings (IOTs) are produced in steel industry, posing threat to the environment during its storage and disposal. To effectively reutilize Fe in IOTs, we propose a comprehensive utilization scheme: (1) most Fe in IOTs is extracted by concentrated hydrochloric acid to form FeCl3 flocculants; (2) after separation from the FeCl3 flocculants, a small amount of Fe is ...

  • (PDF) Effect on compressive and tensile strength of cement ...

    International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395-0056 Volume: 04 Issue: 11 | Nov -2017 p-ISSN: 2395-0072 Effect on compressive and tensile strength of cement concrete road pavements due to use of Iron ore tailings as replacement to fine aggregate Harish Navale1, Saurabh Nirmal2, Pruthviraj Gund3 1,2,3 M-Tech final Year Student of construction ...

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

    The effect of various prop. erties such as . workability, compressive strength, split tensile strength, flexural strength, durability and microstructure of ... • Aggregate in embankment, road, pavement, foundation and building construction ... Iron ore waste and tailings . Iron is the world''s most commonly used metal -steel, for which iron ...

  • Study on the Preparation of High Performance Concrete ...

    The raw materials used in the test included the steel slag (SS), iron ore tailings (IOT), GBFS, cement clinker (CC), flue gas desulfurization gypsum (FGDG), and others. (1) SS. The SS used was basic hot steaming steel slag which com-plies with the Chinese National Standard GB/T 20451-2006. The chem-ical compositions of steel are shown in Table 1.

  • Revenue Generating Opportunities for Recycling ...

     · PALM BEACH, Fla., June 23, 2021 /PRNewswire via COMTEX/ -- PALM BEACH, Fla., June 23, 2021 /PRNewswire/ -- Iron ore tailings are a form of solid waste...

  • SciELO

    Two different iron ore tailings replaced a natural quartz aggregate in the geopolymer formulation. The main objective of this study is, therefore, to assess the changes in the mechanical behavior and microstructure of geopolymers when the tailings are employed as aggregates in the formulations. 2. Materials and methods 2.1 Iron ore tailings

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

     · 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. This paper investigated the use of iron ore tailings to replace natural sand as fine aggregate and studied the impact that various replacement levels had on the ...

  • Effect of Iron Ore Tailing on the Properties of Concrete

    iron ore tailing (IOT) as fine aggregate would turn this waste material into valuable resources, reduction in the strain on the supply of natural sand, and economy in concrete production. World production averages one billion metric tons of raw ore annually.

  • Stabilization of iron ore tailings with cement and ...

     · Iron ore tailings. A number of representative iron ore tailing samples were acquired from different locations of the dry tailing disposal areas (cf. Fig. 2).As illustrated in Fig. 3, the tailings were loosely dumped as piles; thus, their sampling did not necessitate any particular practice and merely involved filling bags with a hand shovel.A total number of 16 tailing samples, namely T1 to ...

  • Utilisation of iron ore tailings as aggregates in concrete

    used. For the tailings concrete being studied, iron ore tailings were used together with the cement to make the new concrete. The iron ore tailings were obtained from Mount Gibson Iron Extension Hill Operations in Perenjori of Western Australia (WA). The particle–size distribution curve of the original tailings as obtained is shown in Figure 1.

  • Technical and Environmental Feasibility of Interlocking ...

     · The present paper evaluates the technical and environmental feasibility of using iron ore tailings (IOTs) as fine aggregate in the production of interlocking concrete blocks. Initially, environmental, chemical, and physical characterizations of the tailings were carried out. Pavers with IOTs replacing natural aggregate in proportions from 10 to ...

  • Utilization of tailings in cement and concrete: A review

     · For example, the content of SiO 2 in phosphate tailings is 2.1, in contrast to the 75.23 in iron ore tailings. Even if there were all lead-zinc tailings or iron ore tailings, the variation content of SiO 2 is 15.50-69.92 in the lead-zinc tailings or 24.19-75.23 in the iron ore tailings. As a result, if tailings are only classified according to ...

  • Potential use of mine tailings and fly ash in concrete

    fine aggregate and FA as a part replacement to cement, in concrete mixes. The effect of replacing fine aggregate by TM and cement by FA on the standard sized specimen for compressive strength, split tensile strength, and flexural strengths are evaluated in this study. ... Strength property of concrete with use of iron ore tailings is studied in ...

  • fine aggregate Related Abstracts

    Each material brings a different aspect to the concrete. This work studied the effect of using Iron ore Tailings (IOTs) as partial replacement for sand on some properties of concrete using Fly ash Cement as the binder. The sieve analysis and some other basic properties of the materials used in producing concrete samples were first determined.

  • Tailings

    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 ...

  • Revenue Generating Opportunities for Recycling ...

     · Palm Beach, FL - June 23, 2021 - Iron ore tailings are a form of solid waste produced during the beneficiation process of iron ore concentrate. Among all kinds of mining solid waste, Iron ore ...

  • 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 them in concrete as a building material.

  • Financial News Media | Revenue Generating Opportunities ...

     · It adds value to the tailings by utilizing them as a replacement for aggregates in concrete. The iron ore tailings aggregates concrete may exhibit a good mechanical strength and even in the case of compressive strength. Comprehensive utilization of iron ore tailings is efficient, socially beneficial and improves environment situation.

  • The Influences of Iron Ore Tailings as Fine Aggregate on ...

     · The present study looks for the feasibility of preparing UHPC with iron ore tailings (IOT for short) as fine aggregate. To enhance outstanding high performances, some influences on UHPC mortars were investigated such as different kinds of sands, different mix ratio of sands, and different largest particle size of fine aggregate. The results show that IOT have negligible poorer aggregate ...

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

    Problems involved in the disposal of iron ore tailing are lack of space, cost etc. Many researchers have made studies on the use of iron ore tailing in concrete. A few are mentioned here. Huang et al. [1] have used iron ore tailings in powder form to partially replace cement to …

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

    Fig.1 Iron Ore Tailing of fine aggregate with IOT and bottom ash helps to effectively In India, over 70% of electricity generated is by ... To study the effect of iron ore tailings on the property of concrete when used as fine aggregate.

  • On the effects of iron ore tailings micro/nanoparticles in ...

    Iron ore tailings (IOT) represent a major problem in the mining industry worldwide due to large volumes of waste disposed in mine sites. IOT are exposed to the environment and subjected to wind and water dispersion, even under non-catastrophic scenarios as dam collapses, and the effects of these par …

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

    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. This paper investigated the use of iron ore tailings to replace natural sand as fine aggregate and studied the impact that various replacement levels had on the

  • New ReTo Project to Conduct Annual Iron Ore Tailings ...

     · The remaining material from the Company''s production can also be used as an aggregate to produce building materials. Iron ore tailings, one of the most common solid wastes in …

  • effects of iron mining on the environment

    effects of iron mining on the environment … XCF air inflation flotation cell Product Introduction: An air inflation mechanical agitation floatation cell with slurry suction. Effective Volume: 1~38m 3. Get Price; Environmental impacts of iron ore mining … Environmental impacts of iron ore mining including impact in land, water, air and ...

  • Effect of Iron Ore Tailing on Compressive Strength of ...

    Effect of Iron Ore Tailing on Compressive Strength of ... Iron ore tailing is a waste product of the mining industry. Tailings are ... The present study is a research into the suitability and reliability of using iron ore tailings as fine aggregate in the manufacture of paving blocks.

  • PREPARATIONS OF COMPOSITE CONCRETES USING IRON …

    35 grade. The sand was replaced with (0, 10, 20, 30, 40, 50 and 60) % iron ore tailings, respectively. The results show that the workability of fresh concrete reduced with the increasing of the iron ore tailings. And the workability can decrease significantly when the iron ore tailings are more than 40 %.

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