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
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 ...
Evaluation of iron ore tailings as replacement for fine aggregate …
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.
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 ...
UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT …
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
Feasibility Study on the Use of Iron Ore Tailings as Fine …
In this study, the effect of Iron Ore Tailings (JOT), as fine aggregate in mortars, on microstructure and compressive strength with 14 days was observed on mortar specimens.
Properties of Sand Grout with Iron Ore Tailings as Fine Aggregate
How to address and utilize iron tailings sand (ITS) has become an important topic [1][2][3]. Many scholars regard iron tailings sand as a fine aggregate in concrete, which not only solves the ...
Utilisation of iron ore tailings as aggregates in …
Sustainable handling of iron ore tailings is of prime concern to all stakeholders who are into iron ore mining. This study seeks to add value to the tailings by utilising them as a replacement for aggregates in concrete.
A study on durability and strength properties of high …
Iron ore tailings (IOT) were acquired from Jindal in the Bellary district of Karnataka. Physical tests were performed in accordance with IS 2836 Parts 1 and 3 and revealed a SG of 2.58, a water absorption rate of 1.0 percent, and a fineness modulus of 2.98.IOT met the criteria of grading Zone II, according to IS: 383–2016 [15], based on the particle size distribution …
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.
The Influences of Iron Ore Tailings as Fine Aggregate on the …
This paper studied the feasibility of using IOT as fine aggregate to prepare UHPC; the experimental results show that cleaned IOT had negligible poorer performance than silica …
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
Utilization of iron ore tailings with high volume in green …
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 IOTs are produced annually, yet the utilization rate remains shockingly low at only 7% [14].The high demand for iron production has led to an increased disposal of IOTs, resulting in severe …
UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES …
To decrease these environmental impacts and the cost of conventional fine aggregates, alternative materials like mining waste have been studied by several researchers to replace partially fine aggregates in concrete production. Iron ore tailings (IOT) are one of the mining wastes obtained from the beneficiation process of iron ore concentrates.
Experimental and Statistical Evaluations of Strength …
Iron Ore Tailings as Fine Aggregate Gayana Bangalore Chinnappa1 and Ram Chandar Karra, Ph.D.2 Abstract: 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 ...
(PDF) A Study on Utilization of Iron Ore Tailings …
Concrete is the basic material in all construction works and fine aggregates constitute nearly 30-40% of the mix. But the procurement and generation of natural fine aggregates, i.e., sand is ...
Evaluation of iron ore tailings as replacement for fine …
Concrete containing iron ore tailings (IOT) enhances compressive and splitting strengths. IOT concrete improves durability properties and resists carbonation. IOT as sand …
Experimental and Statistical Evaluations of Strength …
For example, iron ore tailings was used by many researches to substitute fine aggregate in concrete [19][20] [21] [22], the findings of these investigations showed that concrete formulated with ...
Effect of iron ore tailings as partial replacement to fine …
IOTs are classified as coarse and fine aggregates; if it passes through a 4.75 mm sieve, it can be termed as a fine aggregate; similarly, retention on 4.75 mm sieve defines it as …
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.
Concrete Made with Iron Ore Tailings as a Fine Aggregate: …
IJESC, 2019. 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-exploited.
Utilization of iron ore tailings as fine aggregate in ultra …
This paper explores the use of ore sand (OS) tailings with fine aggregate characteristics, which are generated during exploration of iron ore and usually stored in stacks, in terms of their ...
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 …
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 ; Accepted August
PREPARATIONS OF COMPOSITE CONCRETES USING …
Their flex-compression ratio was 1/6 and 10 % higher than that of the control group that used sand as the fine aggregate. The crack resistance of the iron ore tailings concrete was studied at the same time, and the microstructure was observed with an SEM. Keywords: iron ore tailings, fine aggregate, compressive, flex-compression ratio, crack ...
Replacement of Fine Aggregate by Iron Ore Tailing …
The utilization of iron ore tailing as fine aggregate in concrete will provide cheaper alternative materials. REFERENCES 1) Ali Umara Shettima Ali, Mohd WaridHussain,et.al Constr Build Mater.120, September, Pages 72-79.(2016) 2) Jiangshan Zhao, Kun Ni et.al, Constr Build Mater.,, 286, 7 June 2021,
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 ...
Utilization of iron ore tailings as fine aggregate in ultra …
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 ...
UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT …
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 …
(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 ...