basic oxygen furnace slag usage in concrete works

Characterization of basic oxygen furnace slag and granite ...

Thus, the results suggest that mixtures using basic oxygen furnace slag and granite waste presented characteristics desirable for Portland cement production.

Basic oxygen process | metallurgy |

Basic oxygen process (BOP), a steelmaking method in which pure oxygen is blown into a bath of molten blastfurnace iron and scrap. The oxygen initiates a series of intensively exothermic (heatreleasing) reactions, including the oxidation of such impurities as carbon, .

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 maximum of 72 mm at 35% replacement of sand with basic oxygen furnace slag [79], when compared with control mix of concrete (Table 10 and .

Geotechnical Properties of Fresh and Aged Basic Oxygen ...

Geotechnical Properties of Fresh and Aged Basic Oxygen Furnace Steel Slag Irem Zeynep Yildirim,,, ; and Monica Prezzi,, Abstract: The steelmaking industry in the United States generates 9–16 million metric tons of steel slag every year.

Basic Oxygen Furnace Air Products Chemicals

Basic Oxygen Furnace Air Products offers a variety of gasbased technologies and equipment plus a full line of industrial gases, including argon, nitrogen and oxygen, to help you with your basic oxygen furnace (BOF) operations.

Structural Fill of Steel Slag Caused Heave of a Building

from the basic oxygen steel furnace of the same steel mill. An open pit excavated inside the building revealed a very compact fill consist­ ing of grey coloured, 4" to 6" {10 em to 15 em) sizes up to gravel sizes in a matrix of fines. 2% The moisture content of fines was between 5% and 10%.

Concrete with Steel Furnace Slag and Fractionated ...

Concrete with Steel Furnace Slag and Fractionated Reclaimed Asphalt Pavement Prepared By Alexander S. Brand ... basic oxygen furnace slag, BOF, expansion, autoclave, free ... permits its use in concrete or other cementitiousstabilized materials. A number of studies

Concrete Produced by SteelMaking Slag (Basic Oxygen ...

A steelmaking 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 steelmaking slags up to 30 mass% were within the values of Grade325 and Grade425 steel ...

International Journal of ChemTech Research

Compared to conventional concrete, this slag has produced high strength concrete [7]. Blast furnace slag aggregates in concrete is replaced with natural aggregates because the impact strength of steel slag aggregate is more than the natural aggregate.

Carbonation of basic oxygen furnace slag with metalworking ...

Accelerated carbonation of basic oxygen furnace (BOF) slag in a slurry reactor containing metalworking wastewater was investigated in this study. Various operational parameters including the type of metalworking wastewater, reaction time (t), liquidtosolid (L/S) ratio, gas ?ow rate (Q), and slurry volume (V) on performance of CO2 capture were ...

STUDY OF CONCRETE STRENGTH BY USING BLAST FURNACE .

furnace (BF) and Basic oxygen furnace (BOF) slag (as fine aggregate) mix. By preparing cubes to assess the performance of mix in fresh properties as well as hardened concrete properties.

A COMPARATIVE STUDY ON EFFECT OF BASIC OXYGEN .

The 7 28 days compressive strength of controlled mix and treated concrete 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 % after 7 .

Experimental Investigation of Silica Fume and Steel Slag ...

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. SILICA FUME Silica fume, also known as microsilica, It is an amorphous (noncrystalline) polymorph of silicon dioxide, silica.

SLAG CONCRETE MASONRY Phoenix Slag Services

slag aggregates for concrete and concrete masonry construction can be contacted by visiting www. PRODUCT DESCRIPTION Composition: Blast furnace slag used in concrete masonry units is the nonmetallic product developed simultaneously with iron in a blast furnace. ... Specifications for Military and Civil Works Construction Masonry ...

The formation of steel slag and its composition as defined, 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 to make steel in the Electric Arc Furnace (EAF).

Technical Review UDC 669 . 1 . 054 . 82 Overview of Iron ...

slag after the hydrolysis reaction exhibits a pH of 10 to, which is the same alkalinity as that of road bed material of recycled con crete or cementstabilization soil.

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.

E. Steel Slag Aggregate. Provide openhearth (OH), basic oxygen furnace (BOF), and electric arc furnace (EAF) steel slag aggregate (known as steel slag) according to the following requirements when aggregate for asphalt concrete base or aggregate for asphalt intermediate course is specified.

Use of Steel Slag in Subgrade Applications Purdue ePubs

year is fully reutilized by the cement and concrete industry. As the current methods of stockpiling and ... Use of Steel Slag in Subgrade Applications 5. Report Date October 2009 6. Performing Organization Code ... Samples of fresh and aged basicoxygenfurnace (BOF) slag and of . and .

Understanding Steel Making Operations in Basic Oxygen ...

Understanding Steel Making Operations in Basic Oxygen Furnace Steel making operation in the basic oxygen furnace (BOF) is also sometimes called basic oxygen steel making (BOS). This is the most powerful and effective steel making technology in the world.

Basic Oxygen Furnace Slag Concrete

basic oxygen furnace slag concrete Utilization of Basic Oxygen Furnace (BOF) slag in the. Basic Oxygen Furnace (BOF) slag is a major waste product generated during the steelmaking process.

Chapter 4 Electric Arc Furnace Slag Concrete

furnace can be used as both coarse and fine aggregates replacement, after some pretreatment operations already described in Chap. 2. Here the main relevant properties of the slag are reported. Physical Properties Electric arc furnace slag appears as a very dense black stone, characterized by an angular shape, with a rough texture.