Basic Oxygen Furnace Slag Concrete

Basic oxygen furnace slag Euroslag

2019-11-14· Basic oxygen furnace slag. Basic oxygen furnace slag BOS (also called LD-converter slag)is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace.In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen.

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Applicability of Basic Oxygen Furnace Slag as a Concrete

1983-05-01· Little basic oxygen slag is used as a portland cement concrete aggregate because of its unsoundness in concrete. However, soundness of basic oxygen furnace slag in concrete appears to largely depend upon the mineralogical and chemical compositions of the slag. Several experiments concerning workability, compressive strength and dimensional

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Utilization of Basic Oxygen Furnace (BOF) slag in the

Basic Oxygen Furnace (BOF) slag is a major waste product generated during the steelmaking process. In India and in most industrial countries, the use of BOF slag as a

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Modification of Basic Oxygen Furnace Slag for Cement

2017-06-19· This work deals with the modification of one basic oxygen furnace (BOF) slag with the objective of making it an appropriate additive in blended cement formulations. Two different modified slags were produced in a pilot-scale metallurgical reactor by mixing additives into 300 kg of remelted BOF slag. The liquid slags were cooled under two

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Characteristics of steel slags and their use in cement and

Steel slags are industrial by-products of steel manufacturing, characterized as highly calcareous, siliceous and ferrous. They can be categorized into basic oxygen furnace (BOF) slag, electric arc furnace (EAF) slag, and ladle furnace (LF) slag. They are found to be useful in many fields, such as road construction, asphalt concrete

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Processors of Iron and Steel Slag in Canada

Processors of Iron and Steel Slag in Canada AC Air-cooled blast furnace slag BOF Basic Oxygen Furnace steel slag Exp Expanded pelletized blast furnace slag GG Ground Granulated blast furnace slag EAF Electric Arc Furnace steel slag

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Hydration properties of basic oxygen furnace steel slag

Basic oxygen furnace steel slag is the most common steel slag in China. In this study, the hydration properties of this kind of steel slag were investigated. Steel slag was ground separately to 458 m 2 /kg as well as 506 m 2 /kg. Different hydration conditions were set by changing the temperature or pH value. Hydration exothermic rate was

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Concrete Produced by Steel‐Making Slag (Basic Oxygen

PDF A steel-making slag (basic oxygen furnace) obtained from the Kardemir Steelworks was modified to be used as a clinker additive in the cement industry. This study confirmed that the

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Structural characteristics and cementitious behavior of

2019-09-20· Basic oxygen furnace (BOF) slag mud and electric arc furnace (EAF) slag were characterized by TG-DSC, XRD, FTIR, 27 Al MAS-NMR and ICP-MS techniques to correlate structural characteristics with cementitious behavior. BOF slag mud is a by-product discharged after the wet milling and magnetic separation of basic oxygen furnace steel slag.

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Effect of field compaction mode on asphalt mixture

Basic oxygen furnace (BOF) slag is applied as an aggregate to construct an asphalt concrete test pavement road, which is constructed using static, vibratory, and semi-static-vibratory rolling at various compaction numbers. The effects of field compaction numbers, rolling methods, and cooling time on BOF slag asphalt concrete pavement are

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Geotechnical Properties of Fresh and Aged Basic Oxygen

Steel slag is the byproduct of the basic oxygen furnace and its disposal is cited as the biggest problem. Steel slag of Bokaro steel plant is characterized using X-ray diffraction analysis, X-ray

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High-Amount Basic Oxygen Furnace Slag

oxygen furnace slag (BOFS) and electric arc furnace slag (EAFS), which can be further divided into oxide ballast and reducing ballast, based on the smelting process [2–4]. Due to its hardness, BFS is commonly used for road construction and as concrete aggregate [5–9]; however, it must be stabilized

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Modification of Basic Oxygen Furnace Slag for Cement

Request PDF on ResearchGate Modification of Basic Oxygen Furnace Slag for Cement Manufacturing The use of steelmaking slag without chemical modification presents a deleterious effect on cement

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Common Uses for Slag National Slag Association

Basic Oxygen Furnace Steel Slag (BOF or Steel Furnace Slag) This slag Is formed when molten Iron, scrap metals and various fluxes, such as lime, are oxidized by injecting large amounts of pure oxygen into the molten iron mix to create molten steel and molten slag. Slow cooling of the molten slag produces a dense rock material. Principal uses

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Comparative Strength Analysis of Concrete by Partial

of Basic oxygen furnace slag respectively adding Basic oxygen furnace slag to the concrete .The 7 days and 28 days results are presented in Table 7 i.e., 15%, 25% & 35%. The maximum values of Table : 7 Compressive strength test results for cube samples (150mm x 150mmx150mm) Basic oxygen furnace slag Mix Compressive strength N/mm²

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Products and Services > Basic Oxygen Furnace Slag

The lump-making-sweltering-disintegrating method is applied to manufacture asphalt concrete graded aggregates. Basic oxygen furnace slag at 1200℃ is poured into a shallow slag pot for initial cooling. The slag with reduced surface temperature is transported to a puddle, and then sweltered in a stockpile, which will make it disintegrate into

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Advances in Civil Engineering Hindawi Publishing Corporation

Abstract. Steel slag is a byproduct of the steelmaking and steel refining processes. This paper provides an overview of the different types of steel slag that are generated from basic-oxygen-furnace (BOF) steelmaking, electric-arc-furnace (EAF) steelmaking, and ladle-furnace steel refining processes.

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A COMPARATIVE STUDY ON EFFECT OF BASIC OXYGEN FURNACE SLAG

supplementary constituent added to the mix. The substitution of cement concrete with basic oxygen furnace slag (BOFS) and then followed by iron cutting waste (ICW), produces a significant increase in compressive strength in both the cases i.e., by adding basic oxygen furnace slag & iron cutting waste.

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Slag Wikipedia

The slag can also be used to create fibers used as an insulation material called slag wool. Basic slag. Basic slag is a co-product of steelmaking, and is typically produced either through the blast furnace oxygen converter route or the electric arc furnace ladle furnace route.

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slag MID RIVER MINERALS

Basic Oxygen Furnace Steel Slag (BOF or Steel Furnace Slag) This slag Is formed when molten Iron, scrap metals and various fluxes, such as lime, are oxidized by injecting large amounts of pure oxygen into the molten iron mix to create molten steel and molten slag. Slow cooling of the molten slag produces a dense rock material. Principal uses

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Flexural Strength of Concrete by Partial Replacement of

A decrease by 3.16% was observed after 7 days, and 16.42% decrease after 28 days. Slump and unit weight of thus manufactured concrete also increases with the addition of Basic oxygen furnace slag to it. Thus Basic oxygen furnace slag can be successfully used in concrete, to improve flexural strength, slump values and weight of concrete as wells.

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Stabilization of Basic Oxygen Furnace Slag by Hot-stage

Treatment and disposal of Basic Oxygen Furnace (BOF) slag, a residue of the steel production process characterized by high basicity and propensity for heavy metal leaching, is a costly burden on metallurgical plants; a sustainable valorization route is desired. The stabilization of BOF slag utilizing hot-stage

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In-situ Temperature Effects in Basic Oxygen Furnace Slag

Basic oxygen furnace (BOF) slag is a by-product of steel plants and is different from conventional natural aggregates. Studies have shown that BOF slag asphalt concrete is able to store heat. However, no quantitative research results have been presented. In this study, conventional natural aggregates and reclaimed asphalt pavement (RAP) are replaced by BOF slag in an asphalt concrete mixture

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Comparative Strength Analysis of Concrete by Partial

Comparative Strength Analysis of Concrete by Partial Replacement of Sand with Basic Oxygen Furnace Slag written by Musawir Quadir, Divya Diwaker, Irfan Ali Banka published on 2016/09/13 download full article with reference data and citations

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Properties Euroslag

The content of iron (Fe) in blast furnace slag (ABS/GBS) is usually lower than 0.5 wt. % since it results from a reduction process. In contrast to blast furnace slag, basic oxygen furnace slag (BOS) and electric arc furnace (EAF) slag (steel slags) are generated in an oxidizing process and therefore have iron contents that are significantly higher.

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Effect of field compaction mode on asphalt mixture

Huang et al. evaluated the rolling method for the pavement performance of asphalt mixture concrete with Basic Oxygen Furnace slag [20]. Although there is a large body of research on the BOF

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