use of iron ore as coarse aggregate in concrete making

  • Effect of Iron Ore Tailing on the Properties of Concrete

    This research is aimed at investigating the strength characteristics of control concrete and concrete made with iron ore tailing and determining the optimum content of sand and iron ore tailing combination suitable for use as fine aggregate for concrete used for rigid pavement. 2. Materials and Methods 2.1 Materials 2.1.1 CementExperimental Study on the Properties of Concrete Mixed,] prepared the C60 high-strength concrete using iron ore tailings whose performance is superior to the normal concrete. Many achievements have been made in the research on the utilization of iron ore tailings. However, results of mixing amount of iron ore tailings on the mechanical performance of concrete are not abundant.

  • Evaluation of iron ore tailings as replacement for fine

    Sep 01, 2016· The use of wastes and by-products as concrete aggregates is of great practical significance since they often constitute as much as three-quarters of the concrete by volume. Recent studies have shown that the IOT have potentials that can be utilized effectively to produce concrete.(PDF) Evaluation of iron ore tailings as replacement for,Concrete containing iron ore tailings (IOT) enhances compressive and splitting strengths.

  • Mechanical properties and pore structure of recycled

    Jan 01, 2021· The testing results showed that the use of recycled coarse aggregate (RCA) led to the reduction of strength of concrete, but this strength loss can be compensated by adding iron ore tailings (IOTs) to concrete.iron ore waste as coarse aggregate Help4Help,Mangalore Tile Waste As Coarse Aggregate In Concrete. Use of Iron ore dust in concrete M as an alternative to normal aggregates. Conclusion. Clay tile chips can be used in concrete as a satisfactory aggregate to obtain good quality concrete and give strength. Replacing crushed stone aggregate (CSA) with clay tile chip aggregate (TCA) yielded a

  • Effect of Iron Ore Tailing on the Properties of Concrete

    This research is aimed at investigating the strength characteristics of control concrete and concrete made with iron ore tailing and determining the optimum content of sand and iron ore tailing combination suitable for use as fine aggregate for concrete used for rigid pavement. 2. Materials and Methods 2.1 Materials 2.1.1 CementThe 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

  • (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 Experimental Study on the Properties of Concrete Mixed,As shown in Figure 3, the slumps and liquidity of concrete mixed with iron ore tailings decreased compared with that of normal concrete under the same condition (water, mixture ratio, admixture, etc.).This phenomenon arises because the particles of iron ore tailings are rough and occluded with coarse aggregate, so cohesion increases significantly in the tailing mixes.

  • 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 alongMechanical properties and pore structure of recycled,Jan 01, 2021· Besides, the nuclear magnetic resonance technique was applied to evaluate the pore structure. The testing results showed that the use of recycled coarse aggregate (RCA) led to the reduction of strength of concrete, but this strength loss can be compensated by adding iron ore tailings (IOTs) to concrete.

  • Aggregates Geology The Concrete Portal

    Aggregates are obtained from rocks, which, in turn, are composed of minerals (either a single mineral, or a mixture of minerals). An ore is a natural mineral that can be mined for a profit. For example, bauxite, iron ore etc. Types of rocks. Rocks are classified as igneous, sedimentary, or metamorphic. Very coarse grained rocks areWhich Are The Mineral Aggregate In Concrete,How do pyrite and pyrrhotite damage building foundations . If pyrite or pyrrhotite are present in the aggregate material used to make concrete the building material itself can be compromised If water and air get into the concrete through small cracks and holes the iron sulfides inside can begin to break down cracking the concrete and allowing more air and water in causing even more damage

  • Which Are The Mineral Aggregate In Concrete

    Applying Mineral or Metallic Aggregates for Hard Surfaces . Such dry shakes usually contain about 1 part of portland cement to 2 parts of aggregate by dry weight The aggregate may be a mineral such as crushed traprock quartz or granite or it may be made up of treated or oxidized iron filings If the dry shake contains iron aggregate it should not be applied to any concrete that contains calciumCHAPTER 1 COMPONENTS OF CONCRETE,COMPONENTS OF CONCRETE Concrete is made up of two components, aggregates and paste. Aggregates are generally classi! ed into two groups, ! ne and coarse, and occupy about 60 to 80 percent of the volume of concrete. The paste is composed of cement, water, and entrained air and ordinarily constitutes 20 to 40 percent of the total volume.

  • iron as a substite aggregate in concrete

    Vol 3 Issue 4 April 2014 Utilization Of Steel Slag In. of iron and steel making slag was performed using characterization data for 73 samples of the split tensile strength of steel slag aggregate concrete Potential use of mine tailings and fly ash in concrete,The literature shows the potential use of iron ore tailings as a replacement of natural fine aggregates. As natural sand reserves are depleting day by day, there is a need for substitution for

  • Cost Effective Concrete by Using Mangalore Tile Wastages

    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. And large quantity of construction waste as well as demolition waste such as paving blocks, tiles, timber, plastic, cardboards, metals and papers etc..Utilisation of iron ore tailings as aggregates in concrete,Sep 07, 2015· The aim of this paper is to study the feasibility of using the iron ore tailings as both fine and coarse aggregates in making concrete. The paper evaluates the technical and environmental characteristics of the concrete with the main concern of recycling and adding economic value to the iron ore tailings to be used as alternative cheaper

  • EFFECT OF RED MUD AND IRON ORE TAILINGS ON THE

    12 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.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

  • Heavyweight Aggregates for Heavyweight Concrete Production

    Examples of synthetic aggregates include steel, iron, boron frit, Ferrophosphorus. Furthermore, coarse heavy aggregate consisting of crushed ore, synthetic products or mixtures of both while fine heavy aggregate consists of high density minerals and manufactured or natural sand.Aggregates Geology The Concrete Portal,Aggregates are obtained from rocks, which, in turn, are composed of minerals (either a single mineral, or a mixture of minerals). An ore is a natural mineral that can be mined for a profit. For example, bauxite, iron ore etc. Types of rocks. Rocks are classified as igneous, sedimentary, or metamorphic. Very coarse grained rocks are

  • Effect of Partial Replacement of Cement with Blast Furnace

    C Natural Aggregates In this study, both coarse and fine aggregates were used to prepare a controlled as well as treated concrete. The various physical properties of coarse aggregate and fine aggregate were assessed with IS 383:1970. The physical properties of coarse aggregates and fine aggregates are tabulated in Table: 3 & 4.Lightweight and Heavyweight Concrete,Since concrete contains more than 70% aggregate, the only way to make it highly dense is to choose suitable high density aggregates (see Table 1). Ores of iron, such as haematite, magnetite, and ilmenite, are common choices for high density aggregate. Other possible aggregates are rocks such as limonite and barite. In addition, steel shots and

  • EXPREMENTAL INVESTIGATION OF CONCRETE IN PARTIAL

    Abstract: As we all familiar with the tern concrete that, it is a mixture of cement, fine aggregates, coarse aggregates and water. Cement manufacturing industries liberates about 1tonne of Co2 in the atmosphere while producing 1tonne of cement. Similarly fine aggregates i.e. natural sand is increasingly becoming scares and costlier day by day.Use of Steel Slag in Concrete as Fine Aggregate,VI.USE OF STEEL SLAG AS FINE AGGREGATE- EXPERIMENTAL PROGRAM 1 1) This section deals with the experiments conducted by H. Qasrawi et al.[1] using low CaO unprocessed steel slag as fine aggregate in concrete mixes. A. Materials 1. Coarse aggregate Limestone normal aggregate of local sources was used in the preparation of all mixes.

  • Experimental Study on Heavy Weight Concrete Using

    is 7 N/mm2 for 25% replacement of coarse aggregate with hematite stone and that for laterite concrete is 6.16 N/mm2 for 25% replacement of coarse aggregate with laterite stone. V. CONCLUSIONS In this study, experimental studies on replacement of coarse aggregate with heavy weight aggregates on the properties of concrete was investigated.(PDF) EFFECT OF PARTIAL REPLACEMENT OF SAND BY IRON SLAG,Iron and steel making slag are by products of the iron making and steelmaking processes. To date, these types of slag have been widely used in cement and as aggregate for civil works. The report presents an investigation of mechanical and durability properties of concrete by adding iron slag as replacement of sand in various percentages.

  • Cost Effective Concrete by Using Mangalore Tile Wastages

    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. And large quantity of construction waste as well as demolition waste such as paving blocks, tiles, timber, plastic, cardboards, metals and papers etc..Concrete Questions and Answers CEMEX USA CEMEX,Concrete consists of a mix of ingredients, including Portland cement, pozzolans, water, coarse aggregates, fine aggregates, and additives. Concrete may also contain mineral colors, granulated blast-furnace slag, and blended cements. When fresh, cement can be molded hours after it is produced.

  • Use of Iron Slag as Partial Replacement of Sand to Concrete

    of cement (360 kg/m3), fine aggregate (573.86 kg/m3), coarse aggregates (1233.54 kg/m3) and water to cement ratio is 0.5. The other concrete mixtures were prepared with the iron slag replacing 10 %, 20 % and 30 % of fine aggregates with the same amount of cement, coarse aggregates and same water cement ratio. The curing,