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(PDF) The exploitation of Blast furnace Slag as
The exploitation of Blast furnace Slag as Sand Replacement in Concrete. from which only a small percentage is used by cement industry to manufacture cement.
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Cement / Concrete. Today, the main byproduct of hot metal production in blast furnaces is granulated blast furnace slag (GBS, see statistics).After grinding to cement fineness (GGBS = ground granulated blast furnace slag) it is used as a main constituent of cement or as a separate concrete addition.
learn moreGGBS Ground Granulated Blast Furnace Slag
Ground granulated blast furnace slag (GGBS) is a nonmetallic product obtained as a byproduct from the blast furnaces used to make iron. Ground granulated blast furnace slag consists of silicates and aluminates of calcium and other bases. The size of its particles is less than 45 microns and specific surface area is about 400 to 600 m 2 /kg.
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Blast Furnace Slag is formed when iron ore or iron pellets, coke and a flux (either limestone or dolomite) are melted together in a blast the metallurgical smelting process is complete, the lime in the flux has been chemically combined with the aluminates and silicates of the ore and coke ash to form a nonmetallic product called blast furnace slag.
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Blast furnace slag is allowed to slowly cool by ambient air, is processed through a screening and crushing plant and is processed into many sizes for use primarily as a construction aggregate. Common uses are as aggregates in readymix concrete, precast concrete, hot mix asphalt aggregate, septic drain fields and pipe backfill.
learn more(PDF) Properties of BlastFurnace Slag Cement
Ground granulated blastfurnace slag cement (GGBS), a byproduct in steel manufacture, has been used to improve concrete strength development during accelerated curing but poses a challenge of
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Experimental Behavior of Reinforced Concrete with Partial Replacement of Cement with Ground Granulated Blast furnace Slag M. 1Ramalekshmi, R. Sheeja2, R. Gopinath3 1,2,Final Year Student, Department of Civil Engineering, Sathyabama University, Chennai, India. 3Assistant Professor, Department of Civil Engineering, Sathyabama University, Chennai, India.
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Blast furnace slag cement is the mixture of ordinary Portland cement and fine granulated blast furnace slag obtained as a by product in the manufacture of steel with percent under 70% to that of cement. Ground granulated blast furnace slag cement (GGBFS) is a fine glassy granules which contain cementatious properties.
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Blastfurnace slag is produced in a blast furnace during the reduction of iron ore to iron. It consists of nonmetallic minerals, which are tapped off from the blast furnace while molten. By processing blast furnace slag into Skyway Cement or slag aggregate, the material is diverted from landfills.
learn moreThe Exploitation of Blast furnace Slag as Sand Replacement
granulated blast furnace, gypsum, clinker and steel slag sand. The . Application of steel slag sand results reduced the cement clinker dosage and increasing the content of industrial waste products. Use of non ground granulated blast furnace slag as fine aggregate in concrete was
learn moreBlast Furnace Slag an overview | ScienceDirect
The bulk density of pelletized blast furnace slag is typically 850 kg/m 3 (55 lb cf). Appropriate production control ensures the formation of crystalline material, which is preferable for use as aggregate; this is in contrast to blast furnace slag pellets used in the manufacture of blast furnace cement (Neville, 2012).
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However, the rate of hydraulic reactivity of granulated blast furnace slag is slower than for ordinary Portland cement; thus, slag with greater fineness is usually used [23]. Aside from being used as a cement additive, blast furnace slag can be added to concrete separately, thereby achieving an effect similar to concrete in its fresh and hardened state.
learn moreThe Effect of Ground Granulated Blast Furnace
Title: The Effect of Ground Granulated Blast Furnace Slag (Slag Cement) on the Drying Shrinkage of Concrete A Critical Review of the Literature Author(s): Hooton, K. Stanish, Angel, and J. Prusinski Publication: Symposium Paper Volume: 263 Issue: Appears on pages(s): 7994 Keywords: drying shrinkage; review; slag cement. Date: 10/1/2009
learn moreBlast Furnace Slag Material Description User
Although blast furnace slag contains a small component of elemental sulfur (1 to 2 percent), the leachate tends to be slightly alkaline and does not present a corrosion risk to steel in pilings (10) or to steel embedded in concrete made with blast furnace slag cement or aggregates.
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slag powder and blast furnace slag so the recycling of steel slag can bring enormous benefits and environmental benefit to whole society.[9] 6. Ground granulated blast furnace slag is commonly used in combination with Portland cement in concrete for many applications[10,11] 7. The heat of hydration is dependent on the Portland
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ed slag has been used as a lightweight aggregate for Portland cement concrete. Granulated blast furnace slag has been used as a raw material for cement production and as an aggregate and insulating material. and granulated slag have also been used as sand blasting shot materials.
learn moreGround Granulated Blast Furnace Slag in Concrete
The incorporation of ground granulated blast furnace slag in concrete manufacture gains many advantages which are mentioned below: GGBFS in concrete increases the strength and durability of the concrete structure. It reduces voids in concrete hence reducing permeability; GGBFS gives
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Formed during the manufacture of iron, molten blast furnace slag is cooled and processed in three ways to form slag aggregates for different applications. Aircooling Cooled slowly by ambient air the slag is processed into different sizes for use primarily as a construction aggregate in readymixed and precast concrete, asphalt, as a fill material and also as a filter media in water and sewage
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This report presents available information regarding the use of aircooled blast furnace slag (ACBFS) as coarse aggregate in concrete pavements. The report discusses ACBFS aggregate production and properties, and the properties of concrete produced with ACBFS coarse aggregate. Both the
learn moreA STUDY ON PARTIAL REPLACEMENT OF CEMENT WITH GGBS IN CONCRETE
characteristics of concrete with partial replacement of cement with Ground Granulated Blast furnace Slag (GGBS). The topic deals with the usage of GGBS and advantages as well as disadvantages in using it in concrete. This usage of GGBS serves as replacement to already depleting conventional building materials and the
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It has been used in cement combinations and as a cementitous component in concrete for many years and the use of GGBS will continue to help meet sustainability demands. Aggregate Blast furnace slag, peletised slag and granulated slag can be used as an aggregate in concrete replacing primary aggregates in a number of applications.
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Use of Blast Furnace Slag Aggregate in Concrete Hiraskar and Chetan Patil AbstractThe Iron industries produce a huge quantity of blast furnace slag as by–product, which is a non–biodegradable waste material from that only a small percentage of it is used by cement industries to manufacture cement.
learn moreCommon Uses for Slag | National Slag Association
Blast furnace slag products have been used successfully in virtually all phases of bridge construction. Projects such as the bridge pictured here can utilize blast furnace slag as a concrete aggregate. Blast furnace slag has been utilized in concrete masonry for many years.
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Effects of Ground Granulated Blast Furnace Slag in Portland Cement Concrete (PCC)Wisconsin Highway Research Program WHRP 0701 Irene K. LaBarca, Ryan D. Foley, Steven M. Cramer Department of Civil and Environmental Engineering University of WisconsinMadison January 2007 Expanded Study SPR #
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