Basic Oxygen Furnace Slag Concrete

Applicability of Basic Oxygen Furnace Slag as a Concrete ...

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.

Utilization of Basic Oxygen Furnace (BOF) slag in the ...

To obtain sufficient stability, various methods have been employed like weathering of the solid slag outside the slag pits, treatment of the liquid slag by injecting oxygen and silica and autoclaving of slag in slag baskets (Kuhn et al., 1997, Shigeru et al., 1997).

Steel Furnace Slag | National Slag Association

Steel Furnace Slag is produced in a (BOF) Basic Oxygen Furnace or an (EAF) Electric Arc Furnace. Hot iron (BOF) and/or scrap metal (EAF) are the primary metals to make steel in each process. Lime is injected to act as a fluxing agent.

Modification of Basic Oxygen Furnace Slag for Cement ...

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.

Utilization of Basic Oxygen Furnace (BOF) slag in the ...

Basic oxygen furnace (BOF) slag has the largest pro- duction in steelmaking slag, especially in China. There have been many applications for BOF slag, such as cement industry [3, 4] , concrete aggregate [5,6], soil conditioner [7] and marine environmental improving material [8].

Basic oxygen furnace slag - BOS: Euroslag

Basic oxygen furnace slag In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen. The slag is generated by the addition of fluxes, such as lime[stone] and/or dolomite that combine with silicates and oxides to form liquid slag.

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.

Products and Services > Basic Oxygen Furnace Slag ...

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 aggregates naturally so that flattened graded aggregates can be collected.

Basic oxygen furnace slag for road pavements: A review of ...

Basic oxygen furnace (BOF) slag aggregates exhibit several favourable technical and environmental characteristics compared with natural stone aggregates, making them potentially valuable road construction materials.

Basic Oxygen Furnace | Industrial Efficiency Technology ...

Basic Oxygen Furnace Basic Oygen Furncace (BOF) is a pear shaped vessel where the pig iron from blast furnace, and ferrous scrap, is refined into steel by injecting a jet high-purity oxygen …

Products and Services > Basic Oxygen Furnace Slag ...

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 aggregates naturally so that flattened graded aggregates can be collected.

(PDF) Characterization of basic oxygen furnace slag and ...

The aim of this paper is to analyze mixtures of basic oxygen furnace slag and granite waste in order to produce Portland cement. X-ray patterns were carried out in both the basic oxygen furnace slag and granite waste. Then, mixtures were prepared to obtain the binary basicity of 0.5, 0.9 and 1.2. The mixtures were melted at 1500ºC.

Modification of Basic Oxygen Furnace Slag for Cement ...

will be a shortage of blast furnace slag for use in cement. Therefore, the cement industry needs to find alternatives, and steelmaking slag is one of them [3–6].

Concrete Produced by Steel-Making Slag (Basic Oxygen ...

present, Portland Cement (PC) is the most commonly used inorganic binder in building materials. It was com-monly replaced partly by mineral supplementary mate-rials, such as fly ash, silica fume, and blast furnace slag (BFS), to produce blended cement. Concrete comprises, in quantity, the …

Modification of Basic Oxygen Furnace Slag for Cement ...

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.

International Concrete Abstracts Portal

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.

Products and Services > Basic Oxygen Furnace Slag - chc.tw

The molten slag is cooled and solidified into basic oxygen furnace slag, which then undergoes crushing, magnetic separation, and screening to make BOFS graded aggregates. Their physicochemical properties are listed as follows:

Flexural Strength of Concrete by Partial Replacement of ...

The slump increases with the increase in the percentage of Basic oxygen furnace slag in the concrete and reaches a maxi-mum of 72 mm at 35% replacement of sand with basic oxygen furnace slag [7-9], when compared with control mix of concrete (Table 10 and …

Soil Stabilization Using Basic Oxygen Steel Slag Fines ...

The uses of byproducts such as blastfurnace slag and steel slag [electric arc furnace slag and basic oxygen steel (BOS) slag, and ground granulated blastfurnace slag] have long been established in a number of applications in the civil engineering industry.

Chemical, Mineralogical, and Morphological Properties of ...

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.

82 IRON AND STEEL SLAG - USGS

Basic oxygen furnace steel slags have become less available recently because of the closure of several integrated iron and steel complexes, thus, the long-term supply of steel slag …

Steel Slag - Material Description - User Guidelines for ...

In the basic oxygen process, hot liquid blast furnace metal, scrap, and fluxes, which consist of lime (CaO) and dolomitic lime (CaO.MgO or "dolime"), are charged to a converter (furnace). A lance is lowered into the converter and high-pressure oxygen is injected.

Stabilization of Basic Oxygen Furnace Slag by Hot-stage ...

the Basic Oxygen Furnace (BOF), and continuous casting of steel billets, slabs and blooms. For over a century, with iron and steel industry booming worldwide, a vast amount of slag has been produced as an

Electric Arc Furnace Slag in Concrete - ASCE Library

making slag (basic oxygen furnace) or Siemens–Martin furnace slag has posed serious problems for stability in the past. As regards oxidizing electric arc furnace slag, its potentially expansive components are free lime and free magnesium oxide ... Electric Arc Furnace Slag in Concrete ...

basic oxygen furnace slag usage in concrete works

in the Basic Oxygen Furnace (BOF). ... but there is a need for some additional work to determine the feasibility of utilizing this ... was to evaluate the durability of concrete made with steel slag aggregates. .... 2.7 Current uses of steel slag .

Concrete with Steel Furnace Slag and Fractionated ...

Concrete with Steel Furnace Slag and Fractionated Reclaimed Asphalt Pavement 5. Report Date September, 2014 ... basic oxygen furnace slag, BOF, expansion, autoclave, free ... (65% Type I portland cement, 25% ground granulated blast furnace slag, and 10% Class C …

Electric Arc Furnace Slag in Concrete - ASCE Library

Electric Arc Furnace Slag in Concrete Juan M. Manso1; Javier J. Gonzalez2; and Juan A. Polanco3 Abstract: This paper describes the work carried out in laboratory to produce concrete with good properties using oxidizing electric arc furnace (EAF) slag as fine and coarse aggregate.

Evaluation of the Cooling and Pavement Performance of ...

Abstract: The basic oxygen furnace slag (BOF) was wide used in road construction, but there was a lack of characteristics in different asphalt mixtures. This study investigates the properties of

5.1 Introduction: blast furnace slag and steel furnace ...

BOS (basic oxygen steel slag): Blending with many other products such as granulated slag, fly ash and lime to form pavement material Other uses include skid-resistant asphalt aggregate, rail ballast asphaltic concrete aggregate, soil conditioner, hard stand areas and unconfined construction fill.

basic oxygen furnace slag concrete - drjp.org

a guide to the use of iron and steel slag in roads ASA. A Guide to the Use of Iron Blast Furnace Slag in Cement and Concrete (Blast Furnace Slag) at 71%, BOS (Basic Oxygen Slag) use of iron and steel slag …

Flexural Strength of Concrete by Partial Replacement of ...

Basic Oxygen Furnace slag is formed during the conversion of hot metal from the blast furnace into steel in a basic oxygen furnace (Figure 1). In this process the hot metal is treated by blowing oxygen to remove carbon and other elements that have a high affinity to oxygen.

Influence of Cooling Efficiency of Basic Oxygen Furnace ...

Influence of Cooling Efficiency of Basic Oxygen Furnace Slag Used in Recycled Asphalt Mixtures Long-Sheng Huang1+ and Deng-Fong Lin2 ─────────────────────────────────────────────────────── Abstract: Basic Oxygen Furnace (BOF) slag is a by-product generated during the steelmaking process, a rapidly …

Fly ash and Blast Furnace Slag for Cement Manufacturing

GBFS is slag from the iron production in Basic Oxygen Furnaces. When this slag is actively cooled and ground, GBFS is produced, which can be utilised as a cement or concrete addition.

Slag - Wikipedia

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. To flux the silica produced during steelmaking, limestone and/or dolomite are added, as well as other types of slag conditioners such as calcium aluminate or fluorspar .

Concrete Produced by Steel-Making Slag (Basic Oxygen ...

Abstract. 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.

Ground Granulated Blast Furnace (GGBF) Slag Used in ...

Blast furnace slag concrete can be ... to the ready-mix production in a saturated condition. Use of the cementatious properties of ground granulated blast furnace (GGBF) slag was reported as early as 1774. GGBF slag has been used in concrete in ... basic oxygen furnace process, and the open hearth process. Differences in the

The Use of Industrial Minerals in Highway and Road ...

The Use of Industrial Minerals in Highway and Road Construction John J. Yzenas Jr. November 1 –2, 2011 ... Cement R & D > Concrete Secondary Road Stabilization Railroad Ballast. ... Iron blast furnace slag Basic oxygen furnace and open hearth furnace slag from carbon steel production.

Steel furnace slag aggregate expansion and hardened ...

title = "Steel furnace slag aggregate expansion and hardened concrete properties", abstract = "Steel furnace slag (SFS) is an industrial by-product that is not commonly utilized in bound applications because of its potential to contain high contents of free calcium and …

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