Pdf Iron Ore In Concrete
Evaluation of iron ore tailings as replacement for fine aggregate in
Iron ore tailings were also used in other concrete applications. For example, Das et al. [13] studied the use of IOT to develop ceramic tiles and their study showed, that tiles produced at a maximum of 40% of IOT were superior in terms of scratch hardness and strength, compared to European standard specifications. In a related research, Yao et al. [14] produced …
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[PDF] Life Prediction of Iron Ore Tailings Concrete under …
It is urgent to improve the comprehensive utilization rate of tailings, especially to solve the problem of fine iron ore tailings treatment and the shortage of natural sand, so iron ore tailings concrete with different replace rates was prepared in this paper. At the same time, in order to further popularize the wide application of iron tailings concrete, it is of great …
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Experimental Study and Microscopic Analysis on Frost Resistance of Iron
To solve the durability problem of hydraulic buildings in alpine regions, the study prepared sixteen groups of concrete specimens with different replacement ratios of iron ore tailings and ...
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Environmental impact, durability performance, and interfacial
To study the role of glass powder and iron ore tailings combination in concrete, The properties such compressive strength, flexural strength, tensile strength and also durability parameters likely ...
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Concrete Made with Iron Ore Tailings as a Fine Aggregate: A …
The need for low-cost raw materials is driven by the fact that iron ore tailings, a prevalent kind of hazardous solid waste, have created major environmental issues. Although …
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Synthetic gravel for concrete obtained from sandy iron ore …
Request PDF | Synthetic gravel for concrete obtained from sandy iron ore tailing and recycled polyethyltherephtalate | The exploration of banded iron formations (BIFs) as iron ore is an important ...
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[PDF] Utilisation of iron ore tailings as aggregates in concrete
Abstract 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 concrete mix of grade 40 MPa was prepared in the laboratory with water–cement ratio of 0.5. The concrete were cured for 1, 2, 3, …
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(PDF) Effect of Partial Replacement of Sand by Iron Ore …
[3] Ananthayya M.B1, Prema Kumar W.P.2 and Vijay K.3 (August - 2014) - Effect of Partial Replacement of Sand by Iron Ore Tailing (IOT) and Cement by Ground Granulated Blast Furnace Slag (GGBFS) on the Compressive Strength of Concrete [4] [5] Dr. Prema Kumar W.P.1, Mr. Ananthayya M.B.2 and Mr. Vijay K.3 (July - 2014) - Effect of Replacing Sand ...
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(PDF) Study on the preparation of high performance concrete using steel
PDF | On Dec 30, 2019, Changlong Wang and others published Study on the preparation of high performance concrete using steel slag and iron ore tail-ings | Find, read and cite all the research you ...
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(PDF) Iron Ore Tailings as Partial Replacement for Fine …
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 …
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Optimization Studies of Iron Ore Tailings Powder and …
Civil Engineering Journal Vol. 9, No. 12, December, 2023 3078 Figure 3. Research methodology flowchart 2.1. Mix Proportioning and Casting The conventional concrete mix proportions were determined ...
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Utilisation of iron ore tailings as aggregates in …
Abstract. 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 …
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(PDF) Hybrid Steel-Polyethylene Fiber-Reinforced Iron Ore …
This study examines the effects of iron ore tailing (IOT) replacement ratios and the hybridization of steel fiber (SF) and polyethylene (PE) fiber (PF) on the mechanical, sulfate freeze–thaw (F ...
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(PDF) Life Prediction of Iron Ore Tailings Concrete under …
Thereby, a series of experimental research on iron ore tailings concrete under freezing-thawing cycles was carried out to analyze the attenuation law of quality, compressive strength, and relative ...
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(PDF) Iron Ore Slag Dust and Cement Block
Download full-text PDF Read full-text. Download full-text PDF. Read full-text. ... We replaced the Fine aggregate in concrete by to the iron ore slag material aggregate of size less than 4 ...
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Feasibility of Iron Ore Tailings in Geopolymer Concrete for
Iron ore tailings, a remnant of iron ore treating, are one such waste material that holds potential for sustainable applications in the construction industry. Activating industrial waste items like fly ash or slag results in GPC, a type of concrete that has developed as a more sustainable substitute for conventional Portland cement-based ...
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Experimental Study on the Properties of Concrete Mixed …
Iron ore tailings Natural sand F : Comparison between iron ore tailings and natural sand. T : Chemical composition of iron ore tailings. SiO 2 Al 2 O 3 Fe 2 O 3 CaO MgO K 2 ONa2 …
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(PDF) UTILIZATION OF IRON ORE TAILINGS AS …
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.
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Effect of iron ore tailings as partial replacement to fine …
Figure 3 displays scanning electronic microscope (SEM) images that can be used to characterize the morphology of IOTs. The particles in iron ore tailings range in size from …
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Study on mechanical properties of macro‐synthetic fiber‐reinforced iron
Request PDF | Study on mechanical properties of macro‐synthetic fiber‐reinforced iron ore tailings concrete | Macro-synthetic fiber-reinforced iron ore tailings (IOT) concrete is an ...
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Damage evaluation of concrete using iron ore tailings as …
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 laboratory uniaxial compressive test …
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An evaluation of iron ore tailings characteristics and iron ore
To obtain iron mineral from ore, abundant iron ore tailings (IOT) is generated in separating [6]. The detailed process is shown in Fig. 1. According to the 2018–2019 development report of China Bulk Industrial Solid Waste Comprehensive Utilization Industry, the total tailings volume has reached 1.211 billion tons, including IOT, copper ...
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[PDF] Evaluation of the Iron Ore Tailings from Itakpe in …
Characterization of the Itakpe iron ore tailings showed that it has pozzolanic properties, and can be used as a retarder for hot-weather concreting, and could be used to predict relationships of IOT-OPC concrete. An evaluation of the Itakpe iron ore tailings (IOT) for concrete production has been carried out using the material to replace sand and cement, in …
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(PDF) Iron Ore Tailings: Characterization and …
PDF | Currently, approximately 1.4 billion tons per year of iron ore tailing wastes (IOT) are generated, mainly in Australia, Brazil, and China. ... the concrete and the increase in the rate of ...
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(PDF) Strength and Microstructure of Concrete with Iron Ore …
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 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.
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(PDF) IJERT-Effect of Replacing Sand by Iron Ore …
The following conclusions are made based on the above experimental work. • The sand in cement concrete may be replaced by iron ore tailing in concrete production without compromising on the strength and it greatly reduces the …
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[PDF] The Composition and Performance of Iron Ore …
Iron ore tailings (IOTs) are byproducts of the iron mining industry that have gained significant attention in recent years due to their potential for comprehensive utilization. This study investigates how blending steel slag with IOTs (a siliceous raw material) instead of lime (a calcareous raw material) affects slurry ing properties, mechanical properties, and reaction …
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(PDF) Magnetita iron ore concrete
PDF | On Oct 30, 1955, Henrie published Magnetita iron ore concrete | Find, read and cite all the research you need on ResearchGate
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(PDF) Iron Ore Tailings as Partial Replacement for Fine …
ore tailings and bottom ash as fine a ggregates in. concrete. They r eplaced fine aggregate with 10%, 20%, 30%, 40%, and 50% iron ore tailings and with 10, 20, 30, 40, and …
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Strength characteristics of iron ore tailing concrete
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.
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