Study of Granulated Blast Furnace Slag as Fine Aggregates in …

The use of granulated blast furnace slag (GBFS) aggregates in concrete by replacement of natural aggregates is very promising concept because its impact …

Experimental Study of Steel Slag Used As Aggregate in …

Steel slag is a by-product of the steel industry and can be used potentially as aggregate in the asphalt mixture. This study evaluates the use of Steel Slag Aggregates (SSA) as a substitute for ...

Comprehensive analysis of the environmental impact of …

In this study, the environmental impact of replacing high-quality coarse aggregates by EAF steel slag was assessed. A 30-year LCA was performed on three different asphalt mixtures (reference, slag 1 and slag 2) considering several aggregate moisture contents, ophite transport distances and allocation methods.

Utilization of induction furnace steel slag in concrete as …

Cement, water, sand and gravel are the materials that are used in the present study to prepare concrete specimens. The IF steel slag material that is used in the present study is shown in Fig. 1 (stone form). Fine aggregate of size less than 4.75 mm and coarse aggregate of size between 10–12.5 mm were used in this study.

Furnace Slag

The crystallized slag, after crushing, sieving, and removing magnetic matter, can be used as construction aggregate, concrete bricks, road bases, and surface and Portland clinker production raw material. ... For concrete, containing blast-furnace slag, a possible mixing design is given in Table 7.7. ... Steel slag aggregates can be acidic or ...

Electric Arc Furnace Slag as Coarse Recycled Aggregate for …

Different from other recycled aggregates, EAF slag has very good mechanical properties: it is a crushed product with black colour stone appearance and a …

The Use of Steel Slags in Asphalt Pavements: A State-of-the …

Steel slag is a by-product obtained through the separation of molten steel from impurities in steel-making furnaces. It can be produced by different types of furnaces (blast, basic oxygen, electric arc, ladle furnaces). The reuse of metallurgical slags in road pavements can pursue aims of recycling and environmental sustainability. Based on the …

Electric Arc Furnace Slag as Coarse Recycled Aggregate for Concrete

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 …

Experimental Study of Steel Slag Used As Aggregate in …

Processing of steel slag for steel recovery is very important as it results in an angular, generally well-graded, material that is relatively free of metallic, and the recovered steel (2 to 4%

A REVIEW OF STEEL SLAG AS A SUBSTITUTE FOR …

materials such as steel slag (SS). It can reduce production material costs [3]. Steel slag is a by-product of steel scrap, pig iron, or both [4-6]. Steel slag production occurs in electric arc furnaces, induction furnaces, ladle furnaces, and basic oxygen furnaces [7-9]. Steel slag contaminates the environment [10].

Utilization of steel slag as partial replacement for coarse …

Steel slag is a byproduct of the steel manufacturing pro-cess, formed when impurities are added to iron ore in blast furnaces or basic oxygen furnaces, resulting in a molten slag …

Effects of utilising granulated blast furnace slag as fine …

The present study evaluates the effect of utilising granulated blast furnace slag as a partial substitution of the fine fraction of natural aggregates on various …

Alkali Activated Concrete with Steel Slag Aggregate for …

concrete mix. The natural coarse aggregates were replaced by steel ... The steel slag aggregates (BOF slag) used in the present study was ... Aggregate Crushing Value 24% 21% - IS 2386

EXPERIMENTAL STUDY ON STEEL SLAG IN …

Processed steel slag has favorable mechanical properties for aggregate use, including good abrasion resistance, hardness and high bearing strength. Steel slag has been successfully used as aggregate in surface layers of pavement. The effectiveness of steel slag aggregates in asphalt mixtures. They conducted Marshall Stability test on the ...

Utilization of Blast Furnace Slag as Coarse Aggregate in …

Two control mixing ratios of 1 : 1½ : 3 and 1 : 2 : ... Alexander and Jeffery [5] studied steel furnace slag (SFS) aggregate expansion and hardened concrete properties. They developed a process ...

Slag Aggregate

Nomenclature and Terminology. James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016 1.5.1.6 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 …

Selective crushing, enrichment by friction properties and

The paper suggests the use of methods of enrichment by friction properties, selective crushing, and hydrophobization to increase slag aggregate resistance to …

(PDF) Application of Steel Slag as an Aggregate in

Steel slag particles can potentially be used as aggregates in concrete production. However, the volume stability of steel slag is poor, and the direct use of …

Assessment of Electric Arc Furnace (EAF) Steel Slag

In a second phase, three types of mixes were designed: a control mix (made with natural limestone aggregates), a mix where LF slag was introduced to replace the filler and the fine fraction (sand ...

Technical Note TN 009

by-product of the iron making process using blast furnaces. BFS slag is not discussed in this Technical Note. ... Steel slag aggregates typically have a high polished stone value (58 to 63 PSV) which can be used where a high ... RC500.02 Registration of Crushed Rock Mix Designs (3) prior to use on any VicRoads works.

Experimental Study of Steel Slag Used As …

The influence of steel slag expansion level on the early stage performance of hot mix asphalt (HMA) is evaluated. Initially, samples of Linz-Donawitz type steel slag with different levels of expansion (6.71%, 3.16%, 1.33%) …

Blast Furnace Slag Aggregates FLY ASH REFERENCE …

less significant with vesicular aggregates such as slag. Typical values for BFS aggregates tested to AS1141.227 are presented in Table 1. In summary, BFS aggregates wet/dry strength variation is between 10 – 20% and conforms to criteria set down in AS2758.14. A Guide to the Use of Iron Blast Furnace Slag in Cement and Concrete - ASA Data ...

Study of Granulated Blast Furnace Slag as Fine Aggregates …

The use of granulated blast furnace slag (GBFS) aggregates in concrete by replacement of natural aggregates is very promising concept because its impact strength is quite more than natural aggregate. Steel slag aggregates are already being used as aggregates in asphalt paving road m due to their mechanical strength, stiffness, …

Slag crushing

When a jaw crusher is equipped with the ASC system, the crushing forces are carried by massive hydraulic cylinders mounted into the rear header casting. If an uncrushable object enters the crusher cavity and crushing forces reach the preset maximum level, oil starts to escape out of the cylinders and the setting releases.

Electric Arc Furnace Steelmaking and Slag Formation, …

The growth of electric arc furnace (EAF) steelmaking in North America has occurred mainly in the past 40 years due to low electricity prices, an abundance of steel scrap (especially near large population centers), and the development of mini and macro steel mills based on metal recycling. Scrap availability and price has made steel …

Steel Slag Aggregate Characteristics Evaluation as Railway Ballast

Arabani M, Azarhoosh A (2012) The effect of recycled concrete aggregate and steel slag on the dynamic properties of asphalt mixtures. Constr Build Mater 35:1–7. Article Google Scholar Ahmedzade P, Sengoz BJJOHM (2009) Evaluation of steel slag coarse aggregate in hot mix asphalt concrete. J Hazardous Mater 165(1–3):300–305

UG-Mat Blast Furnace Slag | Recycled Materials Resource …

JIS. Iron and Steel Slag for Road Construction, JIS A 5015, Japanese Industrial Standards, 1992. ASA. Guide to the Use of Slag in Roads, Australian Slag Association, 1994. Ohio EPA. "Interim Policy: Use of Blast Furnace and Steel Slag," State of Ohio Environmental Protection Agency, June 6, 1994. Noureldin, A. S. and R. S. McDaniel.

Mix In Slag

As for mix design, Bowman shared that "steel and blast furnace slag is often used as 100 percent of total aggregate in the mixture. The mixture depends on the application and cost. High performance mixtures cost more than a lesser performing mixtures."

Application of Steel Slag as an Aggregate in Concrete …

Steel slag could be valuable for promoting a sustainable relationship between the concrete and steel industries. C 2 S, C 3 S, C 4 AF, and C 3 A in steel slags are typical mineral phases of Portland cement, indicating the potential of steel slags to function as hydraulic materials. Therefore, one recycling option is to grind steel slags …

Steel Slag Aggregate

So these steel slag aggregates can be used to replace natural aggregates. • The crushing value of the steel slag aggregate is found to be 5.20%. • The CBR value of the steel slag aggregates is found to be 21.32% and 25.62% for soaked and unsoaked conditions, respectively. • The impact value of steel slag aggregates is found to be …