production of slag used as aggregates

Use of Steel Slag Aggregate in Pavements Report

Steel slag aggregate SSA is a byproduct of the production of steel in an electric arc furnace The high iron oxide content of the aggregate results in an aggregate that is very hard and very dense SSA is 20-30 heavier than naturally occurring aggregates such as basalt and granite...

High performance concrete with steel slag aggregate

used as aggregate in asphalt and concrete Netinger et al conclude that steel slag can be used as a concrete aggregate Such use would contribute to proper management of this type of waste and to preservation of aggregate normally taken from nature 4 Netinger et al report that steel slag can be used as concrete aggregate in reinforced...

Slag Cement

Slag cement originally known as granulated blast-furnace slag begins with the production of iron The heart of the process is the blast furnace that refines iron ore into iron The ingredients are heated to nearly 1500 degrees Centigrade to form two components iron and molten slag...

Mechanical Properties of Concrete Using Steel Slag

coal ash blast furnace slag steel slag aggregate This type of use of a waste material can solve problems of lack of aggregate in various construction sites and reduce environmental problems related to aggregate mining and waste disposal The use of waste aggregates can also reduce the cost of the concrete production Kalyoncu...

Slag Aggregate

The use and advantages of slag - voestalpine...

A Fundamental Study on the Steel Slag Aggregate for

Compared with the blast furnace slag steel slag has the expansibility due to the reaction with water and free CaO Therefore it is specified in Standard Specification for Concrete in Korea that steel slag aggregate must not be used in concrete So it is unusual to use steel slag aggregate in concrete...

Use of Steel Slag as Coarse Aggregate for the Production

Recycled Concrete Aggregates RCA as used in Results and Discussion present a high porosity which for the production of the conventional type of concrete constitutes a disadvantage However for the production of pervious concrete high porosity is the main desired quality 6-9 11 Also previous research papers show that the use of steel...

ASSESSMENT OF STEEL SLAG AS REPLACEMENT FOR COARSE

6667 steel slag aggregates as a replacement of the coarse aggregate Qurishee et al 2016 in their experimental study on the use of slag as coarse aggregate and its effect on mechanical properties of concrete It was reported that compressive strength of concrete made by replacing coarse aggregate with slag is higher than normal conventional...

Characteristics and applications of iron and steel slag

There is no risk of alkali-aggregate reaction and this slag contains no clay or organic impuriti As a result it is also used as a concrete aggregate in the same way as natural aggregate Granulated blast furnace slag Just like air-cooled blast furnace slag this slag has a hydraulic property and there is no risk of alkali-aggregate reaction...

Utilization of steel slag as aggregate in asphalt mixtures

May 20 2017 0183 32 Under the dilemma of non-renewable natural resources shortage and environmental pollution issues as a novel aggregate used in asphalt pavement the application of steel slag is propitious to the improvement of the environment and the enhancement of economics...

Aggregate from waste steel slag quality protocol

You must keep information about your waste steel slag recovery process and aggregate production methods for 2 years All records must be legible and available to the Environment Agency on request...

Characteristics and Uses of Steel Slag in Building

5 Applications of steel slag in civil engineering Worldwide research 51 Use of slag as a raw material in clinker production 52 Slag utilization as an aggregate in concrete 53 Slag utilization as mortar aggregate 54 Slag utilization in unbound base layers in pavement 55 Slag utilization in stabilized base courses in cement 56...

What is Slag Cement with pictures

Feb 07 2021 0183 32 A B Kelsey Date February 07 2021 Slag cement was first used commercially in Germany in the 1860s Slag cement often called ground granulated blast-furnace slag GGBFS is one of the most consistent cementitious materials used in concrete It is actually a byproduct of iron production When the iron is processed using a blast furnace slag and iron both collect at the...

Insulation Materials Rock and Slag Wool Insulation A

Jul 01 2008 0183 32 Slag wool is made from blast furnace slag a waste byproduct of steel production The industry estimates that over 90 percent of the slag used for insulation is purchased directly from steel manufacturers The remaining 10 percent is mined from waste disposal sites and landfills...

Use of Steel Slag as Coarse Aggregate for the Production

Use of Steel Slag as Coarse Aggregate for the Production of Pervious Concrete March 2014 Journal of Sustainable Development of Energy Water and Environment Systems 2 1 30-40...

The use and advantages of slag

Jan 10 2014 0183 32 It is also successfully used as an aggregate for concrete Slag use is subject to strict regulations and standards The use of slag is clearly regulated for particular applications For instance production of aggregates is carried out in accordance with the European Construction Product Directive and harmonized European standards...

A Study into the Use of Recycle Iron and Steel Slag as an

21 Materials The materials used in the production of concrete for the study includes cement granite aggregate slag aggregate and sharp sand and water a Cement Portland cement complying with NIS 444-1 2003 was used as the binding agent The cement was source from Lafarge Cement Company Ewekoro Ogun State b Aggregates...

Slag metallurgy Britannica

Slag floats on the surface of the molten metal protecting it from oxidation by the atmosphere and keeping it clean Slag forms a coarse aggregate used in certain concretes it is used as a road material and ballast and as a source of available phosphate fertilizer...

PDF Steel Slag Aggregate For Asphalt Pavement

Steel slag aggregates have been categorized into different types based on their production process some of the renowned types of steel slag aggregates include basic oxygen furnace slag BOF...

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

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...

Slag Cement Benefits and Use in Concrete

Slag cement is a hydraulic cement formed when granulated blast furnace slag GGBFS is ground to suitable fineness and is used to replace a portion of portland cement It is a recovered industrial by-product of an iron blast furnace...

Technical Report UDC 669 162 275 2 666 972 12

Iron Blast Furnace Slag Aggregate for Concrete in 1977 and fine BF slag aggregate as JIS A 5012 Water Granulated Iron Blast Fur-nace Slag Aggregate for Concrete in 1981 Thereafter the two were unified as JIS A 5011-1 Slag Aggregate for Concrete Part 1 Blast Furnace Slag Aggregate Then in 1983 the Japan Society of Civil...

Aggregates

The use of slag aggregates from iron and steel production in construction dates back to the Romans who used crushed slag from the crude iron production of that time to build their roads Nowadays slag is still used to build roads However slag use is not limited to roads anymore but slag aggregates are widely used in all kinds of civil works...

Slag Aggregate

James G Speight PhD DSC in Asphalt Materials Science and Technology 2016 1516 Slag Slag aggregates are obtained by crushing of smelter slag or by special treatment of fire-liquid slag melt molten slag aggregates Currently there are many types of concrete that are developed and used in construction that include metallurgical slags both as a binding component and as fillers...

Different Types Sizes of Aggregate for Concrete

Aug 11 2018 0183 32 The use of slag aggregates from iron and steel production in construction dates back to the Romans who used crushed slag from the crude iron production of that time to build their roads Nowadays slag is still used to build roads However slag use is not limited to roads anymore but slag aggregates are widely used in all kinds of civil works...

Concrete Design Production

Coarse aggregate consists of either or a combination of gravel crushed gravel crushed stone air-cooled blast furnace slag or crushed concrete with particles generally larger than 02 inch The maximum size of the coarse aggregates is generally in the range of 3/8 to 1 189 inch Read more on why we use aggregates in concrete Concrete...

NATIONAL SLAG MF 180

production =020 to 030 kg slag/kg iron three distinct types of blast furnace slag have been processed for many years air-cooled which finds extensive use in conventional aggregate applications granulated which is specifically produced in a vitrified state for...

Basics of slag production

Oct 27 2011 0183 32 With world steel production now well over a billion tonnes per year the slag that arises from some of the processes involved is a major resource Traditionally it has been used mainly as an aggregate but for some types there are other applications...

Experimental Study on use of Electric ARC Furnace Slag in

In our study we use electric arc furnace slag as coarse aggregate for pavement construction Electric arc furnace slag EAFS is a co-product of steel making process Desirable properties of road aggregates are its strength hardness toughness durability shape of aggregate and adhesion with bitumen...

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