basic oxygen furnace slag usage in concrete works

Broader Use of Steel Slag Aggregates in Concrete

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 aggregat Natural aggregates are becoming increasingly scarce and their production and shipment is becoming more difficult...

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...

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...

PDF Beneficial Effects of Steel Slag on Concrete

Beneficial Effects of Steel Slag on Concrete I Issn 2349-7688 Download PDF...

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...

Recycling of Basic Oxygen Furnace Slag as a Raw Material

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 0183 32 142 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...

Ohio Department of Transportation

E Steel Slag Aggregate Provide open-hearth OH basic oxygen furnace BOF and electric arc furnace EAF steel slag aggregate known as steel slag according to the following requirements when 70304 aggregate for asphalt concrete base or 70305 aggregate for...

Experimental Behavior of Steel Slag in Concrete

Steel Slag is the main component of this study which is locally available material Steel Slag used in is work is collected from DD Steel industry Ludhiana Steel slag is a byproduct obtained either from conversion of iron to steel in a Basic Oxygen Furnace BOF or by the melting of scrap...

PhD Position Novel concretes based on Basic Oxygen

15 Views PhD Position Novel concretes based on Basic Oxygen Furnace Slag JOB DESCRIPTION The cement and concrete industry is consuming large amounts of natural resourc 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...

Blast Oxygen Furnace Slag as Chemical Soil Stabilizer for

Sep 09 2017 0183 32 This work proposes the use of basic oxygen furnace steel slag BOFS as a chemical soil stabilizer Sixteen different mixtures of lime cement and processed BOFS were tested and compared The parameters evaluated were unconfined compressive strength diametrical tensile strength California bearing ratio expansibility and environmental...

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...

Evaluation of Strength of Steel Fiber Reinforced Concrete

shrinks Concrete subjected to long-duration forces is prone to creep Steel Slag Steel slag is a by-product obtained either from conversion of iron into steel in a Basic Oxygen Furnace BOF or by the melting of the scrap to make steel in the Electric Arc Furnace EAF The molten liquid is an complex...

Concrete with steel Slag

Concrete with steel Slag made in integrated steel plants using a version of the basic oxygen process The open-heart compounds present in steel slag from a typical base oxygen furnace...

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...

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

Apr 15 2021 0183 32 The cement and concrete industry is consuming large amounts of natural resourc 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...

703 AGGREGATE

Supplement on file in the Office of the Director E Steel Slag Aggregate Provide open-hearth OH basic oxygen furnace BOF and electric arc furnace EAF steel slag aggregate known as steel slag conforming to the following requirements when 70304 aggregate for asphalt concrete base or when any 70305 aggregate is specified...

Recycling of steel slag fines for the production of

Therefore steel slag is normally rich in calcium compounds and it thus has the potential for the production of autoclaved aerated concrete AAC In this study a steel slag from the basic oxygen furnace process was examined and the slag fines...

Flexural Strength of Concrete by Partial Replacement of

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...

Use of basic oxygen furnace slag fines in the production

Apr 10 2018 0183 32 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 15 million tons of BOF...

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

Oct 01 2015 0183 32 Electric arc furnace EAF slag is a by-product of steel production in electric arc furnac 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 properti Particularly the re-use as coarse aggregate for concrete production has been shown to...

DURABILITY PROPERTIES OF STEEL SLAG AS COARSE

normal concrete and has been used in the construction works SNo 12 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...

basic oxygen furnace slag concrete

Jul 15 2016 Basic Oxygen Furnace BOF slag has many prismatic angles is massive and has a high hardness that meets the requirements of the aggregate used in asphalt concrete BOF has a higher proportion of CaO but a lower proportion of SiO 2 than natural gravel aggregate NA because CaO is a lipophilic molecule while SiO 2 is a...

Applicability of Basic Oxygen Furnace Slag as a Concrete

May 01 1983 0183 32 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...

Characterization of Ladle Furnace Slag from Carbon Steel

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...

Applicability of Basic Oxygen Furnace Slag as a 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 stability of concrete made with basic oxygen furnace slag were conducted for investigating the possibility of the use...

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...

ground granulated blast furnace slag

Dec 21 2020 0183 32 Supply of basic oxygen furnace BOF steel slag was similarly affected due to plant closur As per 2017 ground granulated blast furnace slag GGBFS sales volumes have failed to match increases set by the overall US cement industry since 2010 despite positive long term trends...

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 aggregat...

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