basic oxygen furnace slag usage in concrete works

basic oxygen furnace slag usage in concrete Flowchart Showing Slag Production How a Blast Furnace Works - American Iron and Steel Basic oxygen furnace slag Contact Supplier Multidisciplinary approach to the environmental impact

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.

basic oxygen furnace slag usage in concrete works

basic oxygen furnace slag usage in concrete works_Sand Making . basic oxygen furnace slag usage in concrete works. basic oxygen furnace slag concrete. Performance investigation and environmental application …

Basic Oxygen Furnace Slag Concrete - corneeksteen.co.za

Blast Furnace Slag is the co-product of iron making in a blast furnace, while Steel Slag is a co-product of steel making in a BOF (Basic Oxygen Furnace) or EAF (Electric Arc Furnace). Blast furnace slag is used in a variety of applications including structural concrete, mineral wool, and glass manufacture.

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.

Use of basic oxygen furnace slag fines in the production ...

Some steel slags, such as basic oxygen furnace (BOF) slag and electric arc furnace reducing slag, have properties of volume expansion and high alkalinity which are major issues when aiming to recycle the steel slag in construction .

A COMPARATIVE STUDY ON EFFECT OF BASIC OXYGEN …

The 7 & 28 days compressive strength of controlled mix and treated concrete i.e. basic oxygen furnace slag and Iron cutting waste replaced with 30% fine sand are shown in figure -3. By adding 30% basic oxygen furnace slag, there is large amount of increase in percentage i.e. 61.4% after 7 days and 74.4% strength after 28 days.

Basic oxygen furnace slag - BOS: Euroslag

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.

basic oxygen furnace slag concrete - kroonvastgoed.be

Basic Oxygen Furnace Slag Concrete - kwaterylondyneu. The endurance of a high-speed railway asphalt concrete reinforced trackbed is improved through the use of various percentages of Basic Oxygen Furnace (BOF) slag to replace the coarse natural gravel aggregate of asphalt concrete (replacement rate is 0%, 25%, 50%, 75% and , respectively)

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 road ballast and land filler has had a very long history.

A COMPARATIVE STUDY ON EFFECT OF BASIC OXYGEN …

The 7 & 28 days compressive strength of controlled mix and treated concrete i.e. basic oxygen furnace slag and Iron cutting waste replaced with 30% fine sand are shown in figure -3. By adding 30% basic oxygen furnace slag, there is large amount of increase in percentage i.e. 61.4% after 7 days and 74.4% strength after 28 days.

basic oxygen furnace slag concrete - kroonvastgoed.be

Basic Oxygen Furnace Slag Concrete - kwaterylondyneu. The endurance of a high-speed railway asphalt concrete reinforced trackbed is improved through the use of various percentages of Basic Oxygen Furnace (BOF) slag to replace the coarse natural gravel aggregate of asphalt concrete (replacement rate is 0%, 25%, 50%, 75% and , respectively)

Reducing environmental impacts: The use of basic oxygen ...

This study reused the basic oxygen furnace slag, submitted to different cooling processes, for the partial replacement of clinker. Formulations of CPIII portland cement were prepared with substitution of 5.4% by weight of clinker by basic oxygen slag with 53 and 71% amorphous phase.

basic oxygen furnace slag usage in concrete works

basic oxygen furnace slag usage in concrete works Basic Oxygen Furnace Slag Concrete - … Electric Arc Furnace Slag in Concrete—[Journal of Materials in Civil .

BROADER USE OF STEEL SLAG AGGREGATES IN CONCRETE …

in the Basic Oxygen Furnace (BOF). Steel slag can be used in the construction industry as aggregates in concrete by replacing natural aggregates. Natural aggregates are becoming increasingly scarce and their production and shipment is becoming more difficult. Steel slag is currently used as aggregate in hot mix asphalt surface applications,

Steel - Basic oxygen steelmaking | Britannica

Such interdependence requires that blast furnaces and BOFs work within a well-integrated operating system. The furnace. The basic oxygen converter is a cylindrical vessel with an open cone on top. For the largest converters, those that make 360-ton heats, the shell is about 8 …

Concrete with Steel Furnace Slag and Fractionated ...

Concrete with Steel Furnace Slag and Fractionated Reclaimed Asphalt Pavement 5. Report Date September, 2014 6. Performing Organization Code 8. Performing Organization Report No. 7. Author(s) Alexander S. Brand and Jeffery R. Roesler ICT -14 015 UILU-ENG-2014-2015 9. Performing Organization Name and Address 10. Work Unit ( TRAIS)

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.

Slag Availability | National Slag Association

Basic Oxygen Furnace steel slag. GG. ... " Blast furnace slag was included among the products that could be used in cement and concrete ... and recommended for procurement practices in order to foster markets for materials recovered from solid waste." Mineral Commodity Summaries, USGS.

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

The steel slag produced during the primary stage of steel production is referred to as furnace slag or tap slag. This is the major source of steel slag aggregate. After being tapped from the furnace, the molten steel is transferred in a ladle for further refining to remove additional impurities still contained within the …

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 …

New Applications of Iron and Steelmaking Slag Contributing ...

tons of iron and steelmaking slag in 2003. There are two main types of slag, blast furnace slag and steelmaking slag. The former is produced as byproducts in the pro-cess of manufacturing pig iron in the blast furnace, and the latter is byproducts of steelmaking processes in the basic oxygen furnace (BOF), electric furnace, and so on.

International Journal of Research in Engineering and ...

integrated steel plants produce steel through basic oxygen process. Some steel plants use electric arc furnace smelting to their size. In the case of former using oxygen process, lime (CaO) and dolomite (CaO.Mgo) are charged into the converter or furnace as flux. Lowering the launce, injection of higher pressurized oxygen is accomplished.

Feasibility Study of Dephosphorization of Slag Generated ...

2. Viscosity of liquid slag which becomes high with low FeO content blowing of oxygen helps in improving the separation of P 2O 5 from slag. 3. Size of crucible, the more is the depth better is the sepa-ration. 4. Slag composition which determines the viscosity, the lower is the basicity clearer the separation. Fluorspar helps in improving the fluidity. 5.

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

production techniques used, such as basic oxygen fur-nace (BOF), electric arc furnace (EAF), ladle furnace, and so forth. In the basic oxygen steel-making process (BOF), hot molten BF iron and scrap are converted into steel by blowing oxygen and simultaneously adding fluxes. The BOFs used in this process generate BOF slag and BOF dust and sludge, all of which contain iron units.

Soil Stabilization Using Basic Oxygen Steel Slag Fines ...

The basic oxygen furnace steel slag (BOFS) was mixed with electric arc furnace steel slag (EAFS) in appropriate ratios and heated again at high temperature in the laboratory.

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.

Concrete with Steel Furnace Slag and Fractionated ...

Concrete with Steel Furnace Slag and Fractionated Reclaimed Asphalt Pavement 5. Report Date September, 2014 6. Performing Organization Code 8. Performing Organization Report No. 7. Author(s) Alexander S. Brand and Jeffery R. Roesler ICT -14 015 UILU-ENG-2014-2015 9. Performing Organization Name and Address 10. Work Unit ( TRAIS)

Utilization of Basic oxygen furnace slag as aggregate in ...

Utilization Of Basic Oxygen Furnace Slag As Aggregate In Bituminous Mix ijesi.org 94 | Page 4. 40% of replaced slag showed better results which is 3.8% of higher stability, 0.42% of lesser density, and 5.6% of lesser Air Voids than conventional BC mixes. 5.

Basic Oxygen Furnace Slag Concrete - cz-eu.eu

Chemical, Mineralogical, and Morphological Properties of "Laboratory investigation of basic oxygen furnace slag for substitution of "Stabilization of soils with steel slag and cement for appliion in rural. Get Price And Support Online; basic oxygen furnace slag usage in concrete works. Steel - Basic oxygen steelmaking | Britannica.

Basic oxygen steelmaking - Wikipedia

Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), also known as Linz–Donawitz-steelmaking or the oxygen converter process is a method of primary steelmaking in …

Iron and steel slag products : NIPPON SLAG ASSOCIATION

Concrete aggregate manufactured using iron and steel slag as a raw material include blast furnace slag aggregate and electric arc furnace oxidizing slag aggregate. Iron and steel slag utilized for roads is manufactured by crushing and mechanically stabilizing blast furnace and …

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. ... R & D > Concrete Secondary Road Stabilization Railroad Ballast. Chemical –Phosphorous Removal. ... Iron blast furnace slag Basic oxygen furnace and open hearth furnace slag from carbon steel production.

Upcycled ‘CO 2-negative’ concrete for construction functions

alkaline solution, basic oxygen furnace (BOF) exhibited fastest Ca release • In acidic conditions, stainless steel (SS) and ladle (LS) slags showed the most favorable kinetics • In all cases, air-cooled blast furnace (ac-BF) slag showed the lowest Ca release rate. …

86 IRON AND STEEL SLAG - USGS

Basic oxygen furnace steel slag from domestic furnaces also has become less available recently because of the closure or idling of several integrated iron and steel complexes, although the existence at many sites of large slag stockpiles can allow for slag processing to continue even several years after the cessation of furnace operations.

SELF-COMPACTING CONCRETE CONTAINING EAF SLAG AS …

Ladle slag: usage as sealing material Porous asphalt mixtures containing ladle furnace slag Road asphalt performance properties using LD-slag Pavement solutions for low-volume roads using steel slags The actual safety performance of steel slag asphalt Laboratory and field evaluation of hot-mix asphalt with basic oxygen furnace slag Discussion

Steel Slag as A Road Construction Material | Hainin ...

Steel slag is a byproduct obtained from steel industry. It is generated as a residue during the production of steel. Because of the high disposal cost as a waste material and the overall positive features of steel slag, it has been declared a useful construction material, not an industrial waste by most of the developed countries.

Flexural Strength of Concrete by Partial Replacement of ...

The substitution of Basic oxygen furnace slag enhances the Flexural strength of M-25 concrete mix up to certain percentage. After adding 15% Basic Oxygen furnace slag in the mix, there is an increase of 17.67% strength after 7 days, and 17.26% increase after 28 days.