iron ore as fine aggregate

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Utilization of iron ore tailings with high volume in green …

Cement and aggregate can be simultaneously replaced in concrete with iron ore tailings of various particle sizes. The mechanical properties and durability of …

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Comparision Of Strength By Replacing Iron Ore Tailings And …

The results show that adding more iron ore tailing and bottom ash to concrete mixes increases both the compressive and tensile strength. The ideal replacement levels of these materials were found to be 60% iron ore tailing, 15% bottom ash, and 25% fine aggregate. KeywordsIron ore tailings(IOT) and Bottom ash(BA) I. INTRODUCTION

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Evaluation of iron ore tailings as replacement for fine aggregate …

Iron ore tailings. Iron ore tailings (IOT) were obtained from one source in Johor; a southern. Mixture proportion. Table 3 shows mix proportions design in accordance to the exposure classes of BS EN206-1 [24] standard specification for grade C37 concrete. The coarse aggregate used was 10 mm single size. The designed water/cement ratio …

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Characterisation of Iron Ore Tailings as Fine Aggregates for …

In the present investigation suitability of iron ore tailings (IOT) as an alternative to river sand for fine aggregate is examined. As part of this study, extensive experimental investigations were conducted for characterisation of properties of IOT, determination of properties of mortars and concrete using IOT as fine aggregate.

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Utilization of iron ore tailings as fine aggregate in ultra-high

Iron ore tailings were used as aggregate at different replacement levels to make UHPC. The tailings were characterized by techniques like SEM, XRD and …

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Effect of iron ore tailings as partial replacement to fine …

Lei et al. examined how iron ore tailings as fine aggregate affect mortar pore structure. Iron ore tailings, as fine aggregate, reduce capillary macroholes and …

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Experimental and Statistical Evaluations of Strength Properties …

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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(PDF) Iron Ore Tailings as Partial Replacement for Fine Aggregate …

Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate [7], and have been used by many researchers as a replacement for fine aggregate in concrete production [8][9][10][11], [12][13]–[16] This paper is about the review of various research works on the nature of IOT and its effects ...

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Characterisation of Iron Ore Tailings as Fine Aggregates …

In the present investigation suitability of iron ore tailings (IOT) as an alternative to river sand for fine aggregate is examined. As part of this study, extensive experimental …

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Study on Utilization of Iron Ore Tailings as Fine Aggregates …

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. As the percentage increased the strength is also …

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A Critical Review on Potential Use of Iron Ore Tailings as

Experimental research on replacement of fine aggregate with iron ore tailing in concrete has shown reduced workability and compressive strength. 25–50% partial replacement has shown significant improvement on compressive strength of concrete. Iron ore tailing stabilized with 5–15% of other additives such as cement and lime is found to ...

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Concrete Made with Iron Ore Tailings as a Fine Aggregate: …

Concrete Made with Iron Ore T ailings as a Fine Aggregate: A Step towards Sustainable Concrete Mohamed Moafak Arbili 1, Muwaffaq Alqurashi 2, *, Ali Majdi 3, Jawad Ahmad 4

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Characterization of Iron Ore Tailings as Fine Aggregate

DOI: 10.14359/51720305 Corpus ID: 213665269; Characterization of Iron Ore Tailings as Fine Aggregate @article{Oritola2020CharacterizationOI, title={Characterization of Iron Ore Tailings as Fine Aggregate}, author={Sikiru Folahan Oritola and Abd.

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Effect of iron ore tailings as partial replacement to fine aggregate …

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 ...

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Some Studies on Sustainable Utilization of Iron Ore Tailing …

This study presents the sustainable utilization potential of Iron Ore Tailings (IOT) as a replacement material against natural fine aggregates in the preparation of fly ash based geopolymer mortar. Low calcium fly ash is used as the source material and a mixture of sodium hydroxide and sodium silicate is used as the alkaline activator in the mix.

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UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES …

Iron Ore Tailings (IOT) are the waste slag resulted from iron ore mines. Large amount of Iron Ore Tailings (IOT) have been generating every year posing serious environmental problems, large production of cement everyday resulting the emission of CO 2 and increase in the consumption of river sand for construction activities making the river beds over …

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(PDF) The Influences of Iron Ore Tailings as Fine Aggregate …

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 ...

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Mechanical properties and enhancement mechanism of iron ore …

Iron ore tailings (IOT), as one of the main mining wastes, is produced after multiple crushing and magnetic separation on iron ore [15]. In China, stored IOT has reached 5 billion tons and is growing steadily at a rate of over 0.3 billion tons per year, whereas only 20 % of them has been reused [16] .

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Iron Ore Tailings as Partial Replacement for Fine …

Iron Ore Tailings as Partial Replacement for Fine Aggregate in Concrete Production – Review Abdulaziz Alhassan 1, Kudirat O. Yusuf 2, Adavi Aliyu Abdulazeez 3 and Salihu Usman 4

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Evaluation of iron ore tailings as replacement for fine aggregate …

A concrete mix of M20 grade were prepared by replacing fine aggregate with iron ore tailing at replacement level 15%, 25%, and 35% and the optimum replacement percentage was obtained. Further ...

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Effect of dumped iron ore tailing waste as fine aggregate …

The present study investigates the effects of utilizing dumped waste as a practical resource for making concrete. In this regard, waste marble powder used a filler material replacing a smaller constant portion of cement, dumped iron ore tailings (IOT) were used as a partial replacement for fine aggregate in different proportions. Since …

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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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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; libx@ ReceivedMarch ; …

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UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT …

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE PAVEMENTS B N Skanda Kumar1, ... are used as partial replacement to fine aggregates at levels of 10, 20,30,40 ...

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Effect of Iron Tailings as Fine Aggregate and Mineral …

Iron ore tailing (IOT) application as fine aggregate in interlocking concrete blocks was examined in the research. Compared to traditional interlocking paver blocks, …

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Damage evaluation of concrete using iron ore tailings as aggregates …

Using iron ore tailings (IOTs) as the main aggregate for concrete will not only save crushed stone mining but will also reduce the environmental impact of IOTs. A discrete element model of concrete with realistic IOTs shape was developed using particle flow coding 3D technique. The accuracy of the numerical model was verified with the …

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Experimental and Statistical Evaluations of Strength …

In this research used iron filling as partial replacement fine aggregate at percent 5,10, and 15% by weight of fine aggregate and maintaining the ratio of water to cement at 40% and study observe … Expand

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Development of green engineered cementitious composites using iron ore

The fine iron ore tailings as obtained from the mine without additional processing are named IOTs-Fine in this study. The coarse IOTs are passed through sieves with openings of 1180 μm, 600 μm, and 425 μm (plus bottom pan) and the IOTs passing through sieve are called IOTs-1180, IOTs-600, and IOTs-425, respectively, such that the …

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Characterization of iron ore tailings as fine aggregate

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 ...

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Effect of dumped iron ore tailing waste as fine aggregate …

All the specimens with iron ore tailings replacement have higher compressive strength and less deterioration percentage than control. A higher resisting capacity of 60.3 MPa was observed for MBS2 specimens in which a moderate replacement of 30% iron ore tailings was used for fine aggregate.

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(PDF) Iron Ore Tailings as Partial Replacement for Fine …

Iron ore tailings (IOT) are one of the mining wastes obtained from the beneficiation process of iron ore concentrates. This paper presents an overview of the …

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An evaluation of iron ore tailings characteristics and iron ore

According to GB/T 31288–2014 [27] and YB/T 4561–2016 [28], there are three types of IOT: iron tailings powder, iron tailings super fine sand, iron tailings fine sand. However, in most previous researches, IOT mainly covers three categories: (i) iron tailings rock, used as coarse aggregate, of particle size >4.75 mm, is produced by ...

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Evaluation of iron ore tailings as replacement for fine aggregate …

DOI: 10.1016/J.CONBUILDMAT.2016.05.095 Corpus ID: 138183328; Evaluation of iron ore tailings as replacement for fine aggregate in concrete @article{Shettima2016EvaluationOI, title={Evaluation of iron ore tailings as replacement for fine aggregate in concrete}, author={Ali Umara Shettima and Mohd.

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Utilization of iron ore tailings with high volume in green …

Cement and aggregate can be simultaneously replaced in concrete with iron ore tailings of various particle sizes. ... Utilization of iron ore tailings as fine aggregate in ultra-high performance concrete. Construct. Build. Mater., 50 (2014), pp. 540-548. View PDF View article View in Scopus Google Scholar

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Feasibility Study on the Use of Iron Ore Tailings as Fine Aggregate

A concrete mix of M20 grade were prepared by replacing fine aggregate with iron ore tailing at replacement level 15%, 25%, and 35% and the optimum replacement percentage was obtained. Further ...

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Effect of iron ore tailings as partial replacement to fine …

The use of industrial solid waste-iron ore tailings (nes) as aggregates has been found feasible. It has been seen that as the IOTs get bigger, the tensile strain capacity of mortar mixes goes down. Kangning et al. [43] examined ... Fine aggregate . Innovative Infrastructure Solutions (2024) 9:8 10) = the ; S =

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