网页2016年9月1日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
Contact网页2021年1月1日Iron ore tailings. Graded aggregate of nominal size distributed between 10 mm and 20 mm for having better interlocking and possessing a specific gravity of 2.8,
Contact网页2022年9月8日Additionally, Zhang et al. examined the characteristics of concrete made using manufactured sand and iron ore tailings as fine aggregate. They claimed that
Contact网页2022年9月8日The optimum IOT dosage is important since a greater dose may decrease the strength properties and durability owing to a lack of fluidity. Depending on the physical and chemical composition of IOT,...
Contact网页2014年1月15日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
Contact网页2014年1月15日In this study, iron ore tailings (IOTs) are used as aggregates to prepare iron-ore-tailing-engineered cementitious composites (IOT-ECCs) to achieve clean
Contact网页It was found that the iron ore tailings may be utilised for complete replacement for conventional aggregates in concrete. The iron ore tailings aggregates concrete exhibited
Contact网页2015年8月30日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
Contact网页2022年9月8日Iron ore tailing (IOT) application as fine aggregate in interlocking concrete blocks was examined in the research. Compared to traditional interlocking paver blocks, the physical and mechanical
Contact网页2021年1月1日Iron ore tailings. Graded aggregate of nominal size distributed between 10 mm and 20 mm for having better interlocking and possessing a specific gravity of 2.8, fineness modulus 7.9 were used as coarse aggregates. 3.3. Fibres Steel and basalt fibres were added to concrete in low volume dosages both individually and in the hybrid form.
Contact网页2022年9月8日Worldwide, an average 2 billion metric tons of raw ore is produced yearly. About 9602 million tons of hematite and 3408 million tons of magnetite are the total recoverable resources of iron ore in India. Iron ore usage worldwide is increasing at a 10% rate [36]. The data on iron ore output from 2000 to 2018 are shown in Figure 1.
Contact网页2022年9月8日The optimum IOT dosage is important since a greater dose may decrease the strength properties and durability owing to a lack of fluidity. Depending on the physical and chemical composition of IOT,...
Contact网页2016年9月1日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.
Contact网页It was found that the 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.
Contact网页2016年9月1日In general, IOTs are fine, dense, and crystalline materials, mainly composed of iron, silicon, and aluminum [5,7]. Considering the large amount of quartz, these tailings have potential to be...
Contact网页2020年3月1日Date: 3/1/2020 Abstract: Iron ore tailings (IOTs) are common industrial solid waste products which are generated in enormous quantities during the production process of iron ore.
Contact网页2021年3月4日The replacement percentages adopted for IOT were 0%, 20%, 30% and 40% by fine aggregate weight. 0.5% Steel fibres and a hybrid combination incorporating 0.25% steel fibre and 0.25% basalt...
Contact网页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 ;
Contact网页Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this . The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings can
Contact网页2020年3月1日Date: 3/1/2020 Abstract: Iron ore tailings (IOTs) are common industrial solid waste products which are generated in enormous quantities during the production process of iron ore.
Contact网页Keywords: iron ore tailings; concrete; aggregates; compressive strength; indirect tensile strength; slump 1. Introduction Western Australia (WA) is endowed with a large reserve of iron ore. This has attracted a lot of iron ore mining activities for many years in the state. Iron ore resource is a very significant player of the economy
Contact网页province of China as a fine aggregate replacement for regular sand in concrete. The mix design was carried out for concrete with 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.
Contact网页The present study looks for the feasibility of preparing UHPC with iron ore tailings (IOT for short) as fine aggregate. To enhanceoutstanding high performances, some influences on UHPC mortars were investigated such as different kinds of sands, differentmix ratio of sands, and different largest particle size of fine aggregate.
Contact网页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,
Contact网页Iron ore tailings (IOT) are one of the mining wastes obtained from the beneficiation process of iron ore concentrates. This stone presents an overview of the work carried out on the use of IOT as a partial replacement of fine aggregate in concrete and its effects on the workability, mechanical, and durability properties of concrete.
Contact网页Abstract: Effect of iron ore tailings as fine aggregate on pore structure of mortars has been studied in this . The purpose is to investigate, as fine aggregate, comparing to natural sand, whether the iron ore tailings
Contact网页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.
Contact网页2023年4月25日The study found that using iron ore tailings as fine aggregate to produce concrete is an effective solution. This aggregate concrete exhibited good mechanical strength and even in the case of
Contact网页2017年6月29日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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