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Eaf Slag As Coarse Aggregate

Durability of steel fiber reinforced concrete with coarse

Durability of steel fiber reinforced concrete with coarse

Nov 30, 2020 EAF slag was tested for suitability as concrete aggregate regarding chemical properties, granulometry, apparent specific density, water absorption and flakiness index. Test concrete mixtures were prepared with EAF slag as coarse aggregate with either no reinforcement, or with 30 mm or 60 mm steel fibers at a volume ratio of 0.7.

PDF Performance of concrete mixtures made with electric

PDF Performance of concrete mixtures made with electric

Produced EAF steel slag is tested for suitability using different tests such as chemical analysis, grading, water absorption, flakiness and elongation indices, aggregate crushing value and water soluble chlorides and sulfates. Five concrete mixtures with different grades i.e. 30, 50 and 70 MPa were made using EAF steel slag as coarse aggregate.

Evaluation of the steel slag incorporation as coarse

Evaluation of the steel slag incorporation as coarse

Sep 01, 2016 Use of electric arc furnace slag as a substitute of natural aggregates was analysed. Technical and chemical characterisations of the slags were addressed. These slags met the legal requirements to be used as aggregate in road construction. Natural and slag derived aggregates were compared by using life cycle assessment.

High performance concrete with electric arc furnace slag

High performance concrete with electric arc furnace slag

Dec 30, 2015 This paper investigates the feasibility of using BlackOxidizing Electric Arc Furnace slag EAF as coarse aggregate to produce High Performance Concrete HPC. Various experimental mixes have been produced, fully replacing natural coarse aggregates with EAF slag, varying the cement dosages and the watercement ratios, and they have been characterized through a mechanical and

Performance of concrete mixtures made with electric arc

Performance of concrete mixtures made with electric arc

Sep 01, 2012 Produced EAF steel slag is tested for suitability using different tests such as chemical analysis, grading, water absorption, flakiness and elongation indices, aggregate crushing value and water soluble chlorides and sulfates. Five concrete mixtures with different grades i.e. 30, 50 and 70 MPa were made using EAF steel slag as coarse aggregate.

PDF Electric arc furnace slag as natural aggregate

PDF Electric arc furnace slag as natural aggregate

In a large particle form, steel-slag could be employed as a coarse aggregate or a fine aggregate to produce concrete 12,13. Compared with the crushed limestone aggregate, the steel-slag aggregate...

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

Between these, blackoxidising electric arc furnace EAF slag has been found to be suitable for structural concrete applications when used as replacement of traditional coarse aggregate.

Electric Arc Furnace Slag as Coarse Recycled Aggregate

Electric Arc Furnace Slag as Coarse Recycled Aggregate

Particularly the re-use as coarse aggregate for concrete production has been shown to be a promising valorisation, when physical and chemical sta- bility is guaranteed. Additionally, EAF slags high mechanical strength makes it suitable for high-performance concrete production.

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

The materials used for all the mixes are Ordinary Portland Cement type I 52.5R class, as defined in EN 197-1 natural calcareous sand with a maximum size of 4 mm was considered as fine aggregate siliceous coarse aggregates with a maximum size of 16 mm EAF slag aggregates, with a maximum size of 16 mm maximum size, described in the following section a super-plasticiser sulphonated

Electric Arc Furnace Slag and Blast Furnace Dust Use

Electric Arc Furnace Slag and Blast Furnace Dust Use

non-renewable natural aggregates, such as limestone and sand. The exploitation of these materials causes another negative impact on the environment. The objective of this work was to evaluate the feasibility of partially or totally replacing the natural aggregates with EAF slag and BFD powder, as coarse aggregate and fine

concrete made from slag aggregate

concrete made from slag aggregate

determine the crack experience of concrete pavements built with slag coarse ... of the slag aggregate projects were built with 9-inch thick pavement, Both types. ... By Samir Abu-Eishah in High Strength and High Performance Concrete. ... concrete mixtures made with electric arc furnace EAF steel slag aggregate produced...

PROPERTIES OF HIGH STRENGTH CONCRETE

PROPERTIES OF HIGH STRENGTH CONCRETE

the natural coarse aggregate by the steel slag coarse aggregate were 0, 33.33, 66.67 and 100, respectively. In the last two groups, M5, M6 and M7, both coarse and fine steel slag aggregate were used with percentage 100. The ratio of fine to coarse aggregate

Properties and Uses of Steelmaking Slag IspatGuru

Properties and Uses of Steelmaking Slag IspatGuru

Nov 14, 2018 The slag generated in the basic oxygen furnace BOF and electric arc furnace EAF is of basic nature while the slag is of acidic nature in induction furnace because of the use of silica ramming mass as the lining material. Since most of the steel produced in the world is by BOF and EAF processes, hence slag from these processes is discussed ...

ASSESSMENT OF STEEL SLAG AS REPLACEMENT FOR

ASSESSMENT OF STEEL SLAG AS REPLACEMENT FOR

66.67 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

Responses of Concrete Using Steel Slag as Coarse Aggregate

Responses of Concrete Using Steel Slag as Coarse Aggregate

Experimental tests were performed to investigate the responses of coarse steel slag concrete under splitting and flexure. The name of coarse steel slag concrete CSC here refers to concrete using industrial byproduct steel slag as natural coarse aggregate replacement. Three CSC types were examined in this investigation as follows CSC1, CSC2, and CSC3, having a watercement ratio of

Influence of Electric Arc Furnace EAFSlag Aggregate

Influence of Electric Arc Furnace EAFSlag Aggregate

The present study focused on the influence of EAF steel slag aggregate SSA sizes on the workability and durability of concrete. Concrete mixes in 124 ratios of cement, sand and SSA batched by weight, and a water cement ratio of 0.6 were considered. However, a control mix using normal aggregate NA was made in order to evaluate the ...

Use of Steel Slag in Concrete as Fine Aggregate

Use of Steel Slag in Concrete as Fine Aggregate

2. By the melting of scrap to make steel in the Electric Arc Furnace EAF. 3. Ladle slag generated during refining process. The Electric Arc Furnace EAF does not use hot metal, bu Plate 1 Steel slag used as fine aggregate 5 IV. CHEMICAL COMPOSITION Both BOF and EAF slags are formed during basic steelmaking operations..

Bond between steel reinforcement bars and Electric Arc

Bond between steel reinforcement bars and Electric Arc

Apr 21, 2017 This paper deals with the bond between steel reinforcement and recycled aggregate concrete, including Electric arc furnace EAF slag as full replacement of natural coarse aggregates. Pull-out tests were carried out according to RILEM standard on specimens made with six concrete mixtures, characterized by different wc ratios and types of aggregates.

EAF SLAG IN SELFCOMPACTING CONCRETES

EAF SLAG IN SELFCOMPACTING CONCRETES

but since some investigation 11 revealed that EAF slag, as fine aggregates in the ordi-nary concrete, caused pop-out in concrete walls, the more appropriate use of EAF slag seems to be in substitution to medium or coarse aggregates. In this sense, there are some works which are referred to the use of EAF slag in ordinary concretes 12, 13.

SELFCOMPACTING CONCRETE CONTAINING EAF SLAG

SELFCOMPACTING CONCRETE CONTAINING EAF SLAG

electric arc furnace slag as coarse aggregate for structural concrete Analysis of the application of ladle furnace slags from steel-works, of low and high alumina, in masonry mortars A real-world experience of valorization of steel slags in the construction sector, two needs and a successful solution ...

A Study on Suitability of EAF Oxidizing Slag in Concrete

A Study on Suitability of EAF Oxidizing Slag in Concrete

EAF oxidizing slag as a by-product obtained during the process in steel making industry provides great opportunity to utilize it as an alternative to normally available coarse aggregates. The primary aim of this research was to evaluate the physical, mechanical, and durability properties of concrete made with EAF oxidizing slag in addition to ...

Fresh properties of selfcompacting concrete incorporating

Fresh properties of selfcompacting concrete incorporating

Mar 14, 2020 This study investigates the fresh properties of self-compacting concrete incorporating electric arc furnace oxidizing slag as coarse aggregate. A binary blend of 30 fly ash and cement was utilized as binder to improve the performance of concrete in its fresh state. Concrete grades M20, M30 and M40 were developed by replacing natural coarse aggregate with 50 and 100 electric arc furnace ...

Slag aggregates Tarmac

Slag aggregates Tarmac

In agriculture, slag aggregates Ag-Slag have been used as an agricultural liming material since the 1920s in all types of crop production and landscaping. The materials are used to maximise yields of cultivated crops and pasture, improve soil texture and neutralize high soil acidity.

Mechanical and durability characteristics of concrete

Mechanical and durability characteristics of concrete

The use of recycled aggregates is one way to fulfill sustainability goals in concrete industry, and among others, Electric Arc Furnace EAF slag aggregates has been proven to be promising.

Fresh properties of selfcompacting concrete incorporating

Fresh properties of selfcompacting concrete incorporating

This study investigates the fresh pr operties of self-compacting concrete incorporating electric arc furnace oxidizing slag as coarse aggregate. A binary blend of 30 y ash and cement was utilized ...

PDF Performance of concrete mixtures made with electric

PDF Performance of concrete mixtures made with electric

Fig. 8 shows the compressive strength development with age for the different mixes using EAF steel slag as coarse aggregate. It was observed that the obtained 28 days compressive strength exceeded the design strength. The obtained strength was 60 MPa, 80 MPa and 100 MPa for the concrete mixtures 30 MPa, 50 MPa and 70 MPa, mixtures respectively.

Performance of concrete mixtures made with electric arc

Performance of concrete mixtures made with electric arc

The use of Electric Arc Furnace EAF steel slag as heavyweight coarse aggregate to develop sustainable radiation shielding concrete could provide both technical and economic benefits with less ...

Influence of Electric Arc Furnace EAF Slag Aggregate

Influence of Electric Arc Furnace EAF Slag Aggregate

According to 13, coarse aggregate fraction is that material retained on 4.75 mm No 4 sieve, while the fine aggregates fraction is that passing the same sieve. In furtherance, this present study is focused on the evaluation of the influence of steel slag aggregate sizes on the workability and durability of concrete.

Evaluation of electric arc furnace steel slag coarse

Evaluation of electric arc furnace steel slag coarse

Mixtures containing EAF steel slag showed higher aging. Abstract Considering the sustainable development principle, it seems necessary to reduce the temperature demands in producing asphalt mixtures and to replace mineral aggregates with secondary materials.

PDF Electric arc furnace slag as natural aggregate

PDF Electric arc furnace slag as natural aggregate

Between these, blackoxidising electric arc furnace EAF slag has been found to be suitable for structural concrete applications when used as replacement of traditional coarse aggregate.

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