iron ore waste as coarse aggregate in concrete.

Experimental Investigation Of Coarse Aggregate With Steel ...

concrete and natural aggregate concrete, in high strength concrete series. Slag is a waste metallic material which might have long term delayed reactions, further experiments would be necessary to evaluate the durability of concrete made by steel slag aggregates. The following size of slag available from JSW Steel Ltd,0-4mm,4-

Eurasian Journal of Science & Engineering ISSN 2414-5629 ...

Coarse aggregate is one of the main components of concrete composite materials. The maximum size of coarse aggregate was 12.5 mm used. The gravel has a specific gravity of 2.74, bulk density 1600 kg/m3 and the fineness modulus equal to 6.2. 4.1.4 Iron Waste Iron waste is a by-product material.

Experimental study on strength properties of concrete ...

Aug 03, 2018· Portable water as ingredients in the concrete for casting and curing, water added as per the mix design. Water should use as per the standards IS: 456-2000 [14]. 2.1.5 Iron Ore Tailings (IOT) Waste material left after the extraction of valuable material from iron ore is known as tailings. The

Life Science Journal 2017;14(9) ...

construction and demolition waste as fine aggregate and steel slag as coarse aggregate gives 30 MPa compressive strength at 28 days. The cement replacement with 50% with high calcium fly ash and use only of steel slag and recycled aggregates resulted in concrete of adequate strength. Arivalagan S. [11] reported the use of copper slag, a waste ...

USING IRON ORE WASTE AS AGGREGATE IN MAKING K. 300 …

Iron stone coming from nature is a material alternative that can be used as rough aggregate in making concrete. This research was conducted by sieving iron ores with sieving particle sizes of 2mm, 2-5 mm, 5-8 mm, and 10-12 mm. The compressive strength test was conducted at 7, 14, and 28 days. The iron ore waste from iron processing can be used ...

A Review on Recycled Asphalt Pavement in cement concrete

aggregates, the present study looks at alternative resources which can replace the available natural resources. Most of these alternative resources are recycled aggregates e.g., Recycled Concrete Aggregates (RCA), mining wastes like Iron Ore Tailings and infrastructural wastes such as RAP (Recycled Asphalt Pavements). This article

UG-Mat Mineral Processing Wastes | Recycled Materials ...

However, the specific gravity or unit weight of waste rock from the mining of iron ore and taconite will be considerably higher than that of conventional aggregates. The specific gravity of waste rock can be expected to range from 2.4 to 3.0 for most rock types and from 3.2 to 3.6 for waste rock from iron ore and taconite minings.

Magnetite - Oham Industries

Heavyweight Concrete Heavy Media Separation Agriculture, Fertilizer & Micro nutrients Radiation Shielding & Heat Retention Heavyweight Concrete Magnetite is a natural aggregate manufactured from the iron oxide Magnetite. With its high specific gravity Magnetite is used as a coarse material to produce heavyweight concrete. When used as the aggregate portion of a concrete mix, magnetite […]

(PDF) UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO ...

IJRET: International Journal of Research in Engineering and Technology eISSN: 2319-1163 | pISSN: 2321-7308 UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE PAVEMENTS B N Skanda Kumar1, Suhas R2, Santosh Uttam Shet3, J M Srishaila4 1 Assistant Professor, Department of Civil Engineering, DSCE, Bangalore, India 2 Assistant …

iron ore waste as coarse aggregate | Prominer (Shanghai ...

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Hydraulic Tiles Produced with Fine Aggregates and Pigments ...

Jan 21, 2021· Raw Materials. The iron ore tailings were collected from a dam located in the state of Minas Gerais, Brazil. The procedure used followed the recommendations of the Brazilian Standard NBR 10007 [].The collected IOT samples were open air dried, crushed in a jaw crusher (BB200, Retsch), sieved (< 150 μm), and mixed to obtain a homogeneous raw IOT sample, which was then stored in …

USE OF RED MUD AND IRON TAILINGS IN SELF …

mm. The coarse aggregates, obtained from a local source, had a specific gravity of 2.65. The size fraction of the coarse aggregate used is extremely important for determining the optimum amount of paste content to obtain all the necessary characteristics of a flowing concrete. The fine and coarse aggregates were tested according to IS: 383-1970 ...

Materials | Special Issue : Recycled Concrete with Waste ...

Mar 31, 2021· The increasing annual emissions of iron ore tailings have proved a great threat to the natural environment, and the shortage of natural river sand, as well as the pursuit of sustainable development materials, provides motivation to reuse iron ore tailings as a fine aggregate in concrete.

Use of Blast Furnace Slag Aggregate in Concrete

the other comprising granite stone as coarse aggregates. The compressive strength of BFS aggregate concrete is higher than that of the stone aggregate concrete at the age of 90 days. 1.3.Slag- Manufacturing and Types In the production of iron, iron ore, iron scrap, and fluxes (limestone and/or dolomite) are charged into a blast furnace along

(PDF) IRJET- SYNTHESIS OF KUDREMUKH IRON ORE TAILING …

concrete is the basic material in all the construction works and coarse aggregate constitutes nearly 60 to 70% of the mix but the procurement and the generation of the natural coarse aggregate is being deficit day by day and that lead to the use of

iron ore waste as coarse aggregate in concrete

iron ore waste as coarse aggregate in concrete. Modified Concrete By Using a Waste Material as a Coarse Aggregate An industrial solid waste is produced from iron and steel industry.

Evaluation of iron ore tailings as replacement for fine ...

Sep 01, 2016· The fine aggregate (river sand) and coarse aggregates used for this study were natural and locally sourced. A Polycarboxylic ether based superplasticizer that complies with ASTM C494 was used to increase the workability of the mix to avoid increase of water. 2.2. Iron ore tailings

Utilization of iron ore tailings as replacement to by ...

IJRET: International Journal of Research in Engineering and Technology. eISSN: 2319-1163 | pISSN: 2321-7308. UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO FINE AGGREGATES IN CEMENT CONCRETE ...

Vol. 4, Issue 4, April 2015 Cost Effective Concrete by ...

left after the extraction and processing of iron ore in the mines to form fine particles less than 4.75mm. Usually, Iron ore dust is treated as a complete waste, and used to fill the low lying areas. Use of Iron ore dust as an alternative to normal aggregates in concrete M. Nadeem et al [3] draws serious attention of researchers and investigators.

Experimental and Statistical Evaluations of Strength ...

Jan 01, 2020· 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.

Utilisation of iron ore tailings as aggregates in concrete

The iron ore tailings aggregates concrete exhibited a good mechanical ... this sector where recycled waste products could be considered as construction and building materi- ... tailings are segregated properly, both fine and coarse aggregates for concrete can be obtained.

An Experimental Study on Utilization of Iron Ore Tailings ...

2) Partial replacement of waste glass powder and iron ore tailings with cement and fine aggregate respectively and comparing the result with conventional concrete. 3) To determine the strength properties of concrete for 7, 28 and 56 days. 4) To economically compare conventional concrete with the concrete modified using waste glass powder and ...

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

Utilization of mine waste rocks and tailings in concrete as aggregates will help in sustainable . and greener development. The literature shows the potential use of iron ore tailings as a replacement of . natural fine aggregates. As natural sand reserves are d. epleting day by day, there is a need for substitution for . sand in concrete.

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

C. Coarse Aggregate PROPERTIES OF COARSE AGGREGATE Specific Gravity 2.67 Water Absorption 0.8% Bulk Density 1.324 kg/l %Voids 50.412% 28.66% D. Iron Ore Tailing As per table 4 of IS 383-1970 the iron ore tailing belongs to zone II. TABLE.4 PROPERTIES OF IRON ORE TAILING Specific Gravity 3.1 Water Absorption 6%

Replacement of Course and Fine Aggregates in Concrete by ...

• Possibility of using waste iron ore slag & tiles as an alternative construction material will be investigated by conducting different tests on prepared specimens, it is 1.2 Materials Used The materials such as OPC 53 Grade Cement Sand Coarse Aggregate Iron ore slag and Mangalore tiles Water

EFFECT OF PARTIAL REPLACEMENT OF COARSE AGGREGATE …

Iron ore, coke and ... different mixes are cast, waste crushed tiles are used to partially replace the coarse aggregate by 10%, 20% and 30% and GGBS is used to partially replace the cement by 20%,30% and 40%. A total of 9 types of mixes of M30 grade were prepared. ... concrete mix and to reuse the solid waste from construction again as a ...

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.

A STUDY ON PARTIAL REPLACEMENT OF COARSE …

and then the cubes are crushed to supply the coarse aggregates. Key Words: Concrete, Iron ore tailing, Fly ash, Coarse aggregates, Alkaline activator. 1. INTRODUCTION In recent years, steel production has increased significantly to meet the construction industry demands.

Utilization of tailings in cement and concrete: A review

One of the advantages of cement and the cement concrete industry in sustainability is the ability to utilize large amounts of industrial solid wastes such as fly ash and ground granulated blast furnace slag. Tailings are solid wastes of the ore beneficiation process in the extractive industry and are available in huge amounts in some countries. This paper reviews the potential utilization of ...

UTILIZATION OF IRON ORE TAILINGS AS REPLACEMENT TO …

iron ore tailings which is the waste products of mining industries is used as an alternative to the river sand in the manufacturing of concrete. The KIOCL company which was a leading company in India in the mining activities of iron ore has dumped about 200 million metric tons of iron ore tailings at Lakya Dam.

Characterization of Iron Ore Tailings as Fine Aggregate

Mar 01, 2020· Keywords: concrete-making material; fine aggregate; iron ore tailings; microscopy of material; sustainability; waste material. 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.

The Utilization of Waste as Iron Ore in Making Concrete ...

The Utilization of Waste as Iron Ore in Making Concrete Aggregate Quality K.300 Concrete is an manmade building material that looks like stone. Concrete is a composite material consisting of coarse-grained material (aggregates or fillers) that is embedded in a solid matrix of material (cement or binder) that fills the space between the ...