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.
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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.
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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 …
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Performance of concrete mixtures made with electric arc …
This research aims to investigate the effect of using electric arc furnace (EAF) steel slag as coarse aggregate in concrete. Properties of fresh and hardened concrete were evaluated for five concrete mixtures with different grades (30, 50 and 70 MPa), and the inclusion of supplementary cementing materials (SCM) such as fly ash class F (FA) …
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Utilization of Steel Slag in Concrete as Coarse Aggregate
The workability of the controlled concrete (prepared using coarse aggregates) and the steel slag mixed concrete (prepared by replacing 45 % of coarse aggregates by steel slag aggregate) is similar
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Comprehensive Analysis of Steel Slag as Aggregate for Road …
Moreover, the introduction of BOF slag into the asphalt mix as a coarse aggregate, instead of limestone, causes a carbon emissions reduction rate of more than 14%. Blast Oxygen Furnace (BOF) slag represents one of the largest waste fractions …
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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 ...
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(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 …
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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 …
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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.
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REPLACEMENT OF COARSE AGGREGATE WITH STEEL …
Hot mix asphalt (HMA) is a merger of 95% stone, sand, or gravel bound together by asphalt cement. Steel slag is a byproduct of the steel making process. The use of Steel slag in HMA can have a large economical, environmental, and engineering impact in pavement construction. Introduction of steel slag as aggregates reduces
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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%
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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 …
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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 ...
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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 ...
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Effects of utilising granulated blast furnace slag as fine aggregate …
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 concrete parameters using the general factorial approach. Two levels of the water/cement ratio (0.45 and 0.5) and four different percentages of granulated blast furnace slag (0, 20%, 40% …
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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 …
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Utilization of Induction Furnace Slag in Concrete as …
Slag aggregate sample was collected from a crushing plant of induction furnace slag of a local steel manufacturing company. The slag and brick aggregates were tested for grading, unit weight ...
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A Practical Mix Design Method of Ground Granulated Blast-Furnace Slag
Sodium metasilicate (Na 2 SO 3 ·5H 2 O) is used as an activator. It is a white crystal powder / granule consisting of Na 2 O (29.25 (wt %)), Si 2 O (29.25 (wt %)) and H 2 O (41.5%). Fine and coarse aggregate, taken from Isfahan quarries, were modified to match ASTM C33 [].Sand reform required dividing the local sand into three sections, as …
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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 …
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Materials | Free Full-Text | Application of Steel Slag as an Aggregate …
Steel slag is a solid waste produced in crude steel smelting, and a typical management option is stockpiling in slag disposal yards. Over the years, the massive production of steel slags and the continuous use of residue yards have led to vast occupation of land resources and caused severe environmental concerns. Steel slag …
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PROPERTIES OF HIGH STRENGTH CONCRETE …
Steel slag is an industrial by-product obtained during melting of steel scrap from the impurities and fluxing agents, which form the liquid slag floating over the electrical arc furnaces (EAF ...
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Strength and Durability Properties of Steel Slag …
In M30 grade concrete, the fine aggregate was substituted with steel slag in 30 and 40% proportions. The percentage of superabsorbent polymer (SAP) by weight of cement was also varied to 0.1, 0.2, and 0.3%. Concrete mix with 0.1% SAP and 40% steel slag dosage exhibited superior mechanical properties.
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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."
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PERFORMANCE OF CONCRETE BY REPLACING COARSE …
The present Investigation has been undertaken to study the effect of blast furnace slag and crusher dust on the mechanical properties of concrete, when coarse aggregates is …
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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.
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Aggregates for Concrete
Hydraulic cement concrete is a cement and water paste in which aggregate particles are embedded. Aggregate is granular material such as sand, gravel, crushed stone, blast …
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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 …
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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 …
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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 …
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