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Iron and Steel Slag Utilization A Comprehensive Analysis

Keywords Steel industry Steel slag Iron slag Blast furnace slag sprinkling water over the slag 32 Crushing and Magnetic Separation is hard and durable in wear resistance therefore it can also be used as the aggregate for the asphalt pavement mix BOF slags most important factor as to why it can be effectively used for road base...

The Exploitation of Blast furnace Slag as Sand Replacement

Mechanical properties can be improved further due to the synergistic effect and mutual activation when compound mineral admixtures with steel slag powder and blast furnace slag powder mixed with concrete as a result of this study Lung Yunxia et al 9 studied enhancing the volume stability of mortar using steel slag as fine aggregate...

Effective Utilization of Induction Furnace Slag by

Slag is currently used as aggregate in hot mix asphalt surface applications but there is a need for some additional work to determine the metal contain in it In technique of cast iron production helper unrefined material and mechanical wastes are molded The most abundant waste beginning in the process is Furnace slag...

Sand For Concrete From Steel Mills Induction Furnace Waste

Samples of slag was collected from Uttarakhand Steel Mills waste slag These mills grind the slag and recover iron content in it through magnetic separation The slag contains about 10 of iron upto 7 of iron is recovered by magnetic separation Slag boulders are crushed in primary crusher then it is crushed into finer crusher...

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

Oct 01 2015 0183 32 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...

Utilization of Steel Slag in Concrete as Coarse Aggregate

In this study a high-density geopolymer concrete mix with steel furnace slag SFS aggregate was developed based on several trials the material properties were evaluated for on-site applications...

Technical Report UDC 669 162 275 2

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...

SALAH H ALJBOUR EVALUATION OF THE USE OF

Incorporating steel slag aggregate in the concrete mix affected its compressive strength Enhanced compressive blast furnace slag and steel slag aggregate This type of use of a waste material can The aged EAF slag aggregate was prepared by crushing the boulders followed by sorting the ground...

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 sulfat Five concrete mixtures with different grades ie 30 50 and 70 MPa were made using EAF steel slag as coarse aggregate...

Utilization of Steel Slag in Concrete as Coarse Aggregate

Slag aggregate sample was collected from the crushing plant of steel slag of a local steel manufacturing company It was found that some slag aggregates were light in weight with a lot of voids and some were heavier with a little or no voids Therefore the slag aggregates were separated into three types such as...

Performance of Steel Slag Aggregates in Hot

Performance of Steel Slag Aggregates in Hot-Mix Asphalt Pavement electric arc furnace slag as an aggregate and report back to the legislature by December 1 2018 on its comparative wear resistance skid resistance and Steel slag aggregate replaced 20 percent of the natural aggregates in...

Recycled Coarse Aggregate and Blast Furnace Slag Sand

Chemical compositions of cement and blast furnace slag sand are presented in Tables 2 and 3 Additionally the particle distribution curve of blast furnace slag sand and recycled coarse aggregate are presented in Figure 3 a b Figure 1 Blast furnace slag sand used a BFS5 5 mm in max dia b BFS12 12 mm in max dia Figure 2...

Electric Arc Furnace Slag as Coarse Recycled Aggregate for

aggregates are listed in Table 1 EAF Slag Characterisation Steel slag used in this experimental investigation was supplied by a local steel factory in the northeastern part of Italy After cooling the slag was subjected to screening crushing sieving and magnetic separation Then a pre-treatment consisting in exposing the slag to outdoor...

Performance of concrete mixtures made with electric arc

Sep 01 2012 0183 32 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 and silica fume SF...

REPLACEMENT OF COARSE AGGREGATE WITH STEEL SLAG

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...

The effect of replacing sand by iron slag on physical

Blast-furnace slag aggregates gen-erally have desirable properties such as soundness strength 80 and 100 basic-oxygen furnace slag by mass The mix proportions of the studied mortars are listed in Table 3 The water-to-cement ratio w/c was 044 by mass cubic steel molds and manually pressed into the corners and...

Mechanical Properties of Concrete Using Steel Slag

Shrinkage of steel slag exposed to a dry environment was similar to limestone aggregate 15 OBJECTTIVES The objective of this research was to find combined aggregate gradations using Steel slag aggregate which will significantly reduce the amount of cement required by 10 to 15 without compromising concrete properti...

Utilization of Basic oxygen furnace slag as aggregate in

2 Palas sanjay and chirag a study of steel slag as replacement in the performance of bituminous mix international journal for scientific research and development vol 3 issue-3 2015 3 Ibrahim M Asi Hisham Y Qasrawi and Faisal I Shalabi 2003 Use of steel slag aggregates...

MATERIAL SPECIFICATION FOR AGGREGATES

Steel slag air-cooled blast furnace slag nickel slag and copper slag in HMA RAP shall not be used containing steel slag aggregate RST containing asbestos and post-consumer shingle material shall not be permitted both the coarse and fine aggregates in the mix shall be produced from crushed...

Experimental Study on use of Electric ARC Furnace Slag in

Electric arc furnace slag EAFS is a co-product of steel making process The collected slags were broken down into small siz The tests conducted are aggregate crushing test impact test specific gravity test water absorption test and angularity test...

Steel slag processing production line/ steel slag

Sep 20 2018 0183 32 Steel slag processing production line is design by Luoyang Dahua to process the steel slag in steel mill The production line include conveyor cone crusher...

What Are the Uses of Blast Furnace Slag BFS

Dec 12 2019 0183 32 Blast furnace slag is a by-product of the iron and steel industry When pig iron is smelted in a blast furnace the flux is added to the raw materials from the blast furnace in addition to iron ore and fuel coke The blast furnace slag can be crushed and processed into blast furnace slag aggregate by roller crusher and ground granulated...

Effect of Blast Furnace Slag Fine Aggregate for Freezing

land blast-furnace slag cement as binders Crushed sandstone sand density in saturated dry-surface condi-tion 275 g/cm3 coefficient of water absorption 06 was used as the coarse aggregate in the concrete tests The mix proportion of the cement mortar in the freezing-and-thawing test is...

mixing of steel furnance gypsum and aggregate in crusher

Mixing Of Steel Furnance Slag And Aggregate In Crusher Mixing of steel furnance slag and aggregate in crusher 7 Oct 2013 Steel Slag Waste Material for the Construction of Road AK Sinha VG studies on utilizing waste materials such as Crusher dust Fly ash Zinc slag Impact crushing and abrasion tests were conducted on aggregate mixed can be broadly categorized into blast furnace slag...

Evaluation of Surface Mixtures of Steel Slag and Asphalt

General Characteristics of Steel Slag Aggregates Steel lag consists uf crushed angular particle with rough irregular surfac It has essentially no fl at or elongated pieces and ha a rougher urface texture than gravels and crushed ston Steel slag is highly resistant to weathering as are the TABLE 1 COMPOSITION OF IRON BLAST FURNACE...

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...

Construction aggregate

Construction aggregate or simply aggregate is a broad category of coarse- to medium-grained particulate material used in construction including sand gravel crushed stone slag recycled concrete and geosynthetic aggregatAggregates are the most mined materials in the world Aggregates are a component of composite materials such as concrete and asphalt concrete the aggregate serves as...

Letter Circular 140 blast furnace slag as concrete aggregate

f 5 TABLEII-ChemicalAnalysesofSlagAggregates Aggregate Si0 2 a12 176 3Fe0CaO MgO S0 3 Sul- phide Sul-phur Nat lSlagCompany Coarsefurnaceslag -31 4i1276110362412860...

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...

A Guide to the Use of Steel Furnace Slag in Asphalt and

43 Advantages of Steel Furnace Slag Aggregate in Asphalt 9 5 Asphalt Mix Design using Steel Furnace Slag Aggregates 11 51 Overview 11 52 Target Grading 11 53 Bitumen Content 11 54 Resistance to Stripping 12 A Guide to the Use of Steel Furnace Slag in Asphalt and Thin Bituminous Surfacings iii...