Iron ore tailings are a waste material being dumped in open land , the use of waste material makes it Green concrete. Can be successfully used for constructing low volume rural roads, minor/small residential structures etc. Altogether, iron ore tailings can be utilized as a partial substitute for natural sand to prepare concrete.
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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
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The successful utilization of iron summarized in table ore tailing (IOT) as fine aggregate would turn this waste material into valuable resources, reduction in the strain on 2.2 Coarse Aggregates supply of natural sand and economy in concrete production.
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The iron ore waste from iron processing can be used as aggregate for K 300 quality concrete because the concrete compressive test result after 28 days by using sieving particle sizes of mesh 20, mesh 5, mesh 8-10, and mesh 10-12 exceeded normal K 300 quality concrete with compressive strength scores of 30.12 MPa, 38.90 MPa, 36.75 MPa, and 32.10 Mpa respectively, while normal K 300 quality
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Consequently, reclaiming aggregates from concrete debris would lead to environmental and economic benefits. 2. LITERATURE REVIEW •Patil.et.al. (2013), this study aimed to evaluate physical properties of concrete using recycled coarse aggregate. In this research, concrete waste from demolished structure
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Notably, coarse aggregates represent 35%–50% of the concrete composition. Coarse aggregates are inert components that perform the filling function. Several studies have examined the potential for using bauxite waste as a coarse aggregate for road construction and incorporation into concrete.
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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
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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 aggregate particles and glues them together.
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This paper reports a study on the reconstruction of broken Si-O-Si bonds in iron ore tailings (IOTs) in concrete. Limestone and IOTs were used to investigate the influence of different types of coarse aggregates on the compressive strengths of concrete samples. The differences in interfacial transition zones (ITZs) between aggregate and paste were analyzed by scanning electron microscopy (SEM
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Tailings are one of the largest solid wastes in stock at present. In order to improve the comprehensive utilization rate of tailings, especially to solve the problems of fine-grained tailings treatment, the concrete composite admixture was prepared by using iron tailings powder and slag powder. In order to study the influence of iron tailings powder on the workability and long-term mechanical
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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.
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Shettima et al. stated that the use of waste iron ore as fine aggregate reduces the workability of concrete but increases its strength. Fluorite is an important industrial mineral composed of calcium and fluorine (CaF 2) found in many parts of the world. Fluorite can be formed in magmatic, metamorphic and sedimentary rocks.
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Mine Aggregate Waste Products . Iron ore waste as coarse aggregate in concrete efforts are being made in effective utilization of waste and by products particularly from mining and mineral industri Keeping 2, 3 and 4 For each red mud replacement level, 10 of fine aggregate regular sand was replaced with iron tailings waste materials used as aggregate in ,
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The objective of this study is to evaluate the modified performance of concrete with mixing of iron ore tailings in order to solve the shortage of natural sand and make full use of industrial waste. Firstly, the raw materials of mixing were analyzed, and the test ratio was determined. Secondly, the workability and mechanical property of concrete specimens with different amounts of iron ore
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Sep 04, 2021 · 10% · Shettima et al. stated that the use of waste iron ore as fine aggregate reduces the workability of concrete but increases its strength. Fluorite is an important industrial mineral composed of calcium and fluorine (CaF 2) found in many parts of the world.
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Iron ore tailings are presented by heavy metals, solids, mill reagents and sulphur compounds. Storing the iron ore tailings in the open area or throwing into the sea and rivers has the potential of causing water pollution [1, 2]. Yellishetty et al. [3] studied the use of iron ore tailings from Goa in India as an aggregate in concrete.
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Inquiry; iron ore waste as coarse aggregate in concrete. Get Price; 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.
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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
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iron ore waste as coarse aggregate and iron mining waste as. In this study two types of mineral aggregates were used iron ore processing residues and conventional aggregate crushed aggregate The iron ore residue is a byproduct of a reduction in mine exploration by Samarco SA enterprise located in the city of Alegria in Minas Gerais State in Brazil Mariana City is located in the state of Minas
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all the mixtures, the coarse and fine aggregates were weighed in a dry room condition. Test mixtures were prepared and compacted as required by ASTM C192. The required amounts of coarse aggregate, fine aggregate, cement, water, waste materials were weighed in separate buckets. The materials were mixed in accordance with ASTM C192.
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Effect of Partial Replacement of Sand by Iron Ore Tailings. Abstract left after the extraction and processing of iron ore in the mines to form fine particles less than 475mm 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
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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.
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This study focuses on producing concrete of acceptable strength with crushed waste ceramic tiles as coarse aggregate and determining the optimum coarse aggregate mix ratio to achieve this strength. A. literature review 1) Medina (2012) Medina studied on effective utilization of ceramic waste as recycled coarse aggregate.
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Iron Ore Waste As Coarse Aggregate In 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.
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Recycled concrete can be used as aggregate in new concrete, particularly the coarse portion. When using the recycled concrete as aggregate, the following should be taken into consideration: Recycled concrete as aggregate will typically have higher absorption and lower specific gravity than natural aggregate and will produce concrete with slightly higher drying shrinkage and creep.
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Utilisation of iron ore tailings as aggregates in concrete. Abstract-- This paper investigates the suitability of using iron ore tailings (IOTs) and crushed waste rock (CWR) as fine and coarse aggregates to prepare high strength concrete (HSC) with 28-day target compressive strength of 80 MPa.
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Plastic due to its properties such as durability, light weight and its ability to be molded into any desired shape has enhanced its popularity. However, its excessive production has become a serious threat to the environment and the human health.
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Green concrete obtained was investigated for its suitability for structural concrete on the basis of different mechanical properties (compressive strength), workability (Slump value), The concrete formulations were produced with a constant water/cement ratio. Keywords: marble waste, recycle waste, coarse aggregate, concrete, cement I.
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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 get price
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iron ore as fine aggregate
Green concrete obtained was investigated for its suitability for structural concrete on the basis of different mechanical properties (compressive strength), workability (Slump value), The concrete formulations were produced with a constant water/cement ratio. Keywords: marble waste, recycle waste, coarse aggregate, concrete, cement I.
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