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
[email protected]
Pelletized blast furnace slag in contrast to aircooled and expanded blast furnace slag has a relatively smooth texture and rounded shape Grinding reduces the particle size to a cement fineness for use as a hydraulic cement which is typically less than 3500 cm 2 g 8
Ground Granulated Blast Furnace Slag GGBS is a cement substitute that improves durability and also the environmental credentials of concrete mixes It is a byproduct of the ironmaking industry For every tonne of GGBS used in a concrete mix the embodied CO 2 levels are reduced by around 900 kg compared to the use of one tonne of
Mar 31 2020 · The slag from an iron blast furnace has been used for quite some time as aggregate for making concrete It’s drawn off first before the iron quenched and then further processed to make a suitably sized aggregate to replace stone or even sand in
Ground granulated blastfurnace slag GGBFS Our slag cement CEMSlag TM is a hydraulic cement material created when granulated blastfurnace slag from the steel manufacturing process is ground to a fineness suited for concrete production Environmentally friendly
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
The larger flexural strength of blast furnace slag concrete is the result of the stronger bond which is achieved in cementslagaggregate system due to slag particle shape and surface texture Figure4 shows slag particles
Slag cement or GGBFS is granulated blastfurnace slag that has been finely ground and that is hydraulic cement When slag cement is mixed with water however the initial hydration is much slower than portland cement mixed with water therefore portland cement or salts of alkali metals principally sodium and potassium or lime are used to
Slag cement is often referred to as “ground granulated blastfurnace slag” GGBFS As requested in 2001 by slag cement manufacturers and the Slag Cement Association the American Concrete Institute officially reviewed and changed the terminology from GGBFS to slag cement
Groundgranulated blastfurnace slag GGBFS is produced by quenching molten iron slag a byproduct of iron and steelmaking from a blast furnace in water to produce a granular product that is then dried and ground into a fine powder
The aim of the present work is to study the effect of cement dust substitution instead of ordinary Portland cement OPC blast furnace slag cement BFSC and sulphate resistance cement SRC on
Portland Blastfurnace Slag Cement A Portland cement mixed with a designated amount of ground granulated blastfurnace slag The latent hydraulic property of the blastfurnace slag gives excellent longterm strength Properties Significant chemoresistance and Suppression of alkaliaggregate reaction type B and C Applications
Ground granulated blastfurnace slag is a byproduct of the steel industry that is naturally cementitious and is often used as a cement replacement material in concrete
May 01 2020 · The use of slag in concrete has several benefits including reduced energy reduced greenhouse gas emissions and reduced use of raw materials Various types of slag are produced Blastfurnace slagThe nonmetallic product consisting essentially of silicates and aluminosilicates of calcium and of other bases that is developed in a molten condition simultaneously with iron in a blast furnace
Blast Furnace Slag BFS cement is the combination of Ordinary Portland Cement OPC and fine Granulated Blast Furnace Slag GBFS gained as a byproduct in the steel making manufacturer with below 70 to that of cement Ground Granulated Blast Furnace Slag GGBFS is a fine glassy granule which encompasses cementitious possessions
Ground Granulated Blast Furnace Slag GGBS is a cement substitute that improves durability and also the environmental credentials of concrete mixes It is a byproduct of the ironmaking industry For every tonne of GGBS used in a concrete mix the embodied CO 2 levels are reduced by around 900 kg compared to the use of one tonne of
Mar 31 2020 · The slag from an iron blast furnace has been used for quite some time as aggregate for making concrete It’s drawn off first before the iron quenched and then further processed to make a suitably sized aggregate to replace stone or even sand in
After the granulated blast furnace slag is formed it must be dewatered dried and ground using processes similar to those used with Portland cement clinker to make Portland cement Typically granulated slag is ground to an airpermeability blaine fineness exceeding that of Portland cement to obtain increased hydraulic activity at early ages
Slag cement originally known as granulated blastfurnace slag begins with the production of iron The heart of the process is the blast furnace that refines iron ore into iron The ingredients are heated to nearly 1500 degrees Centigrade to form two components iron and molten slag
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
Ground granulated blastfurnace slag is a byproduct of the steel industry that is naturally cementitious and is often used as a cement replacement material in concrete
GROUND GRANULATED BLAST FURNACE SLAG 71112 Following is a list of slag cement suppliers approved to supply the indicated brand of GGBFS to Department work in accordance with the current provisions of both GROUND GRANULATED BLAST FURNACE SLAG 71112 and Materials Method 10 ManufacturerLocations and Approved Supply Locations shown as hyperlinks are
slag powder and blast furnace slag so the recycling of steel slag can bring enormous benefits and environmental benefit to whole society9 6 Ground granulated blast furnace slag is commonly used in combination with Portland cement in concrete for many applications1011 7 The heat of hydration is dependent on the Portland
Find here PSC Cement Blast Furnace Slag Cement manufacturers suppliers exporters in India Get contact details address of companies manufacturing and supplying PSC Cement Blast Furnace Slag Cement Portland Slag Cement across India
In concrete processed steel and blast furnace slag provide a sustainable alternative to primary aggregates in the production of lightweight or dense readymixed concrete Blast furnace slag can also be used to make Ground Granulated Blastfurnace Slag GGBS which is used as a cement replacement in concrete
Cement Concrete Today the main byproduct of hot metal production in blast furnaces is granulated blast furnace slag GBS see statisticsAfter 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
Portland BlastFurnace Slag Cement UltraTech Premium UltraTech Premium is a concrete special cement produced in UltraTechs stateoftheart manufacturing facilities with carefully selected premium ingredients to deliver to the customer cement that produces both exceptionally strong as well as exceptionally durable concrete
Jun 08 2020 · Ground granulated blast furnace slag GGBS is a byproduct from the blastfurnaces used to make iron furnaces are fed with a controlled mixture of ironore coke and limestone and operated at a temperature of about 1500° granulated slag is further processed by drying and then grinding in a vertical roller mill of rotating ball mill to
