Basic Oxygen Furnace Slag Usage In Concrete Works
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Basic Oxygen Furnace Slag Usage In Concrete Works

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

Apr 10, 2018  1. Introduction. 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 .Solving the volume expansion problem of steel slags is vital for slag recycling and reuse , , , , , .In Taiwan, more than 1.5 million tons of BOF ...

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

May 01, 1983  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 stability of concrete made with basic oxygen furnace slag were conducted for investigating the possibility of the use ...

Recycling of Basic Oxygen Furnace Slag as a Raw Material ...

Jul 22, 2020  Abstract: The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased.

Basic oxygen furnace slag: Review of current and potential ...

Apr 01, 2020  1.4.2. The basic oxygen furnace (BOF) The BOF process forms part of the primary steel production route, which also incorporates the BF process. In a BF, the iron ore, limestone and fuel are continuously supplied through the top section of the furnace, while heated air is forced into the lower section (Geerdes, Toxopeus, Van der fliet, 2009).The end products are usually molten metal and slag ...

Use of BOF slag and blast furnace dust in asphalt concrete ...

use of Basic Oxygen Furnace slag (BOF) as coarse aggregate and studying the alternative of using Blast Furnace Dust (BFD) as a fine aggregate; to manufacture asphalt hot mixes for pavements as an alternative to mitigate the environmental problems derived from the accumulation of this steel waste

Utilization of Basic Oxygen Furnace Slag in Geopolymeric ...

Basic oxygen furnace slag (BOFs) is difficult to reutilize because it contains excessive free lime, and thus causes serious expansion. For this reason, how to reuse BOF slag has turned out to be an imperative issue in order to meet the concept of a circular economy. The key intention of this research work is to develop a new way to reutilize BOF slag, which due to its high emissivity in the 8 ...

Basic oxygen furnace slag - Euroslag

May 04, 2021  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.

Recycling of Basic Oxygen Furnace Slag as a Raw Material ...

The purpose of this study was to recycle basic oxygen furnace (BOF) slag in the production of autoclaved aerated concrete (AAC), and to examine the influence on the properties of AAC products. The magnetic substances in the BOF slag accounted for about 15 wt.% and the magnetic proportion increased as the particle size decreased. The nonmagnetic portion of the BOF slag was acquired by a ...

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

May 01, 2006  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. This being a low end use, a study was conducted to examine the possibility of converting the slag into a hydraulic binder.

Electric Arc Furnace Slag in Concrete Request PDF

The use of steel slag or electric arc furnace (EAF) slag in concrete was found to significantly reduce workability (Etxeberria et al. 2010; Manso et al. 2004). Mechanical properties of concrete ...

Use of BOF slag and blast furnace dust in asphalt concrete ...

use of Basic Oxygen Furnace slag (BOF) as coarse aggregate and studying the alternative of using Blast Furnace Dust (BFD) as a fine aggregate; to manufacture asphalt hot mixes for pavements as an alternative to mitigate the environmental problems derived from the accumulation of this steel waste

Concrete with Steel Furnace Slag and Fractionated ...

pavement, RAP, steel furnace slag, SFS, electric arc furnace slag, EAF, basic oxygen furnace slag, BOF, expansion, autoclave, free lime, free CaO, ethylene glycol test, concrete durability, concrete fracture 18. Distribution Statement No restrictions. This document is available to the public through the National Technical Information Service,

PhD Position: Novel concretes based on Basic Oxygen ...

One solution to this problem is the use of currently underutilized industrial side products in OPC-free binders. Such a binder based on Basic Oxygen Furnace (BOF) slag was recently developed at the Building Materials group, and it will be the goal of this PhD to investigate the behavior of concrete

Concrete with Steel Furnace Slag and Fractionated ...

pavement, RAP, steel furnace slag, SFS, electric arc furnace slag, EAF, basic oxygen furnace slag, BOF, expansion, autoclave, free lime, free CaO, ethylene glycol test, concrete durability, concrete fracture 18. Distribution Statement No restrictions. This document is available to the public through the National Technical Information Service,

Furnace Slag Fines - Virginia Tech

CaO content ranges for two types of SFS, which include basic oxygen furnace (BOF) slag and electric arc furnace (EAF) slag, are 1–10% and 0–4%, respectively [19]. This expansion can be extensive and result in structural failures (e.g., failure due to swelling, expansive cracking, loss in strength, etc.) [26–28].

Utilization of Basic Oxygen Furnace Slag in Geopolymeric ...

Basic oxygen furnace slag (BOFs) is difficult to reutilize because it contains excessive free lime, and thus causes serious expansion. For this reason, how to reuse BOF slag has turned out to be an imperative issue in order to meet the concept of a circular economy. The key intention of this research work is to develop a new way to reutilize BOF slag, which due to its high emissivity in the 8 ...

(PDF) Stabilization of basic oxygen furnace slag by hot ...

ConclusionsThis work has investigated the hot-stage carbonation of Basic Oxygen Furnace (BOF) steel slag, with the objective of converting its high free lime content (10-20 wt%) to calcium carbonate and stabilizing its negative properties (high basicity and heavy

233R-17: Guide to the Use of Slag Cement in Concrete and ...

The use of slag cement as a cementitious material dates back to 1774, when a mortar was made using slag cement in combination with slaked lime (Mather 1957). In 1862, a granulation process was proposed to facilitate removal and handling of iron blast-furnace slag leaving the blast furnace. The use of granulation produced glassy material that played

Industrial uses of slag—The use and re-use of iron and ...

from the hot-metal product of the blast furnace prior to refining in a basic oxygen furnace has reduced tap-to-tap time, lowered cost, lowered slag volume and produced steel of much higher quality. The use of vacuum degassing subsequent to decarburization in the basic oxygen furnace has resulted in reduced hydrogen and nitrogen contents and

(PDF) Steel Slag Aggregate For Asphalt Pavement

Aug 09, 2015  by their furnace type: basic oxygen furnace (BOF) and electric a rc furnace (EAF). The slag properties are similar but variations occur between di fferent products even within the same t ype

Electric Arc Furnace Slag as Coarse Recycled Aggregate for ...

Oct 01, 2015  Electric arc furnace (EAF) slag is a by-product of steel production in electric arc furnaces. Several studies have tried to demonstrate its suitability in civil engineering application, such as in bituminous mixtures and cement-based materials, due to its good physical, chemical and mineralogical properties. Particularly the re-use as coarse aggregate for concrete production has been shown to ...

Comparative Strength Analysis of Concrete by Partial ...

35% replacement levels of Basic oxygen furnace slag respectively adding Basic oxygen furnace slag to the concrete. From the obtained values of density Basic Oxygen furnace slag based concrete gives greater density than controlled M-25 grade of concrete

Feasibility and Characterization Mortar Blended with High ...

Dec 20, 2018  Basic oxygen furnace slag (BOFS) was ground to three levels of fineness as a replacement for cement at weight proportions of 10, 30, 50, and 70 wt.%. Fineness and weight proportion were shown to have significant effects on the flowability and setting time of the mortars.

Use of Steel Slag in Subgrade Applications

for the basic-oxygen-furnace steelmaking process. In the BOF process, molten iron is charged into a basic-oxygen furnace together with steel scraps and fluxing agents (lime or dolomite) to produce steel. The steel slag that is a by-product of the BOF steelmaking process is known as basic-oxygen-furnace slag. In the EAF process, recycled steel

Use of BOF slag and blast furnace dust in asphalt concrete ...

use of Basic Oxygen Furnace slag (BOF) as coarse aggregate and studying the alternative of using Blast Furnace Dust (BFD) as a fine aggregate; to manufacture asphalt hot mixes for pavements as an alternative to mitigate the environmental problems derived from the accumulation of this steel waste

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

Oct 26, 2009  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 compressive strength values of concretes produced by addition of these steel‐making slags up to 30 mass% were within the values of Grade‐325 and Grade‐425 ...

Furnace Slag Fines - Virginia Tech

CaO content ranges for two types of SFS, which include basic oxygen furnace (BOF) slag and electric arc furnace (EAF) slag, are 1–10% and 0–4%, respectively [19]. This expansion can be extensive and result in structural failures (e.g., failure due to swelling, expansive cracking, loss in strength, etc.) [26–28].

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

Use of Steel Slag in Subgrade Applications

for the basic-oxygen-furnace steelmaking process. In the BOF process, molten iron is charged into a basic-oxygen furnace together with steel scraps and fluxing agents (lime or dolomite) to produce steel. The steel slag that is a by-product of the BOF steelmaking process is known as basic-oxygen-furnace slag. In the EAF process, recycled steel

233R-17: Guide to the Use of Slag Cement in Concrete and ...

The use of slag cement as a cementitious material dates back to 1774, when a mortar was made using slag cement in combination with slaked lime (Mather 1957). In 1862, a granulation process was proposed to facilitate removal and handling of iron blast-furnace slag leaving the blast furnace. The use of granulation produced glassy material that played

(PDF) Stabilization of basic oxygen furnace slag by hot ...

ConclusionsThis work has investigated the hot-stage carbonation of Basic Oxygen Furnace (BOF) steel slag, with the objective of converting its high free lime content (10-20 wt%) to calcium carbonate and stabilizing its negative properties (high basicity and heavy

Industrial uses of slag—The use and re-use of iron and ...

from the hot-metal product of the blast furnace prior to refining in a basic oxygen furnace has reduced tap-to-tap time, lowered cost, lowered slag volume and produced steel of much higher quality. The use of vacuum degassing subsequent to decarburization in the basic oxygen furnace has resulted in reduced hydrogen and nitrogen contents and

703 AGGREGATE - Pages

703.15 Open-Hearth, Electric Arc Furnace, and Basic Oxygen Furnace Steel Slag Aggregate Used for Items 410, 411, and 617. When using surface applications OH, EAF, and BOF slag, ensure that the slag meets the aging and stockpiling, deleterious substances, and crushing requirements of 703.14.

Characterization of Ladle Furnace Slag from Carbon Steel ...

Sep 01, 2013  A promising type of steel slag for applications is the ladle furnace (LF) slag, which is also known as the basic slag, the reducing slag, the white slag, and the secondary refining slag. The LF slag is a byproduct from further refining molten steel after coming out of a basic oxygen furnace (BOF) or an electric arc furnace (EAF). The use of the LF slag in further applications requires ...

DURABILITY PROPERTIES OF STEEL SLAG AS COARSE

normal concrete and has been used in the construction works. S.No 1.2 Steel Slag Slag is a by-product generated during manufacturing of pig iron and steel. Primarily, the slag consists of calcium, magnesium, manganese and aluminum silicates in various combinations. Basic oxygen furnace slag

"Broader Use of Steel Slag Aggregates in Concrete" by ...

Steel slag is an industrial byproduct obtained from the steel manufacturing industry. It is produced in large quantities during the steel-making operations which utilize Electric Arc Furnaces (EAF). Steel slag can also be produced by smelting iron ore in the Basic Oxygen Furnace (BOF). Steel slag can be used in the construction industry as aggregates in concrete by replacing natural aggregates.

Flexural Strength of Concrete by Partial Replacement of ...

Feb 25, 2018  This research work evaluates the use of Basic oxygen furnace slag as a replacement for fine aggregates, in M-25 grade of concrete. The fine aggregates were partially replaced, by weight with Basic oxygen furnace slag. The prepared mixes were named as Mix-A, Mix-B, Mix-C and Mix-D.

Sustainable Use of Steel Industry Slag (SIS) for Concrete ...

Palod, G.D. et al. (2017) [4] has investigated the potential uses of SS in concrete as cementitious material. This study showed that high replacement of Basic Oxygen Furnace (BOS) steel slag along with GGBS has a very encouraging outcome.

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