Ground granulated blast furnace slag is an eco-friendly material with regard to its production process and usage. In this study, slag cement (SC) is used to prepare different slag cement mortar (SCM) mixes to study mortar microstructure perspectives, physiochemical properties, mechanical properties and durability …
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Ground granulated blast-furnace slag (GGBFS), sometimes simply referred to as "slag", is a glassy granular material formed when molten blast-furnace slag is …
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Ground Granulated Blast Furnace Slag (GGBS), a by-product of the iron industry produced by quenching molten slag, has cement's chemical composition. About 530 million metric tonnes of GGBS are ...
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1.1 This specification covers three strength grades of finely ground granulated blast-furnace slag for use as a cementitious material in concrete and mortar. Note 1-The material described in this specification may be used for blending with portland cement to produce a cement meeting the requirements of Specification C 595 or as a separate ...
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AbstractThis specification covers three strength grades of finely ground granulated blast-furnace slag (Grades 80, 100, and 120) for use as a cementitious material in concrete and mortars. The slag shall contain no additions and shall conform to …
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Ground-granulated blast-furnace slag (GGBFS) is a by-product of iron and steel-making obtained by quenching molten iron slag from a blast furnace in water or steam. Used to increase the strength of concrete and used to improve workability of fresh concrete and reduce water demand, shrinkage and permeability of the finished product.
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This specification covers three strength grades of finely ground granulated blast-furnace slag for use as a cementitious material in concrete and mortar. The …
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Slag processing. George C. Wang, in The Utilization of Slag in Civil Infrastructure Construction, 2016 5.3 Blast furnace slag processing. Iron blast furnace slag results from the fusion of iron ore, fluxing materials, and coke; the reduction reactions; and the separation of iron from the ore. As indicated in Chapter 2, the term blast furnace slag is …
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Slag activity is determined by the following formula: Slag activity index, % (SP / P) 100 Where: 1.Each material can be ground to its own optimum fineness 2.The proportions can be adjusted to suit the particular project needs. ASTM C989, "Standard Specification for Ground Granulated Blast-Furnace Slag for Use in Concrete and …
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What is Ground Granulated Blast Furnace Slag (GGBFS) GGBFS is a byproduct of the iron and steel industry, specifically from the production of iron in blast furnaces. It is obtained by rapidly quenching molten slag from the blast furnace with water or steam, which results in the formation of glassy granules.
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Regen GGBS (ground granulated blast-furnace slag) is a readily available, reliable cement substitute, manufactured from a by-product of the iron-making industry. Using one tonne of Regen in concrete reduces the embodied CO 2 by around 900kg, compared to using one tonne of Portland Cement, and also increases its durability.
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1.1 This specification covers three strength grades of finely ground granulated blast-furnace slag for use as a cementitious material in concrete and mortar. Note 1-The material described in this specification may be used for blending with portland cement to produce a cement meeting the requirements of Specification C 595 or as a …
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– Part 1 : Definitions, specifications and conformity criteria – Part 2 : Conformity evaluation . Most ground granulated blast furnace slag are imported into Singapore where the manufacturer may not have production control as set out in EN 15167-2. The alternate approach in Annex ZZA is
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scope: This specification covers slag cement for use as a cementitious material in concrete and mortar. NOTE 1-The material described in this specification may be used for blending with portland cement to produce a cement meeting the requirements of Specification C595/C595M or as a separate ingredient in concrete or mortar mixtures.
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Slag is a non-metallic by-product of the steel-making process. It is converted to granulated blast furnace slag (GBFS) or ground granulated blast furnace slag (GGBFS) by quickly cooling molten slag with …
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Ground Granulated Blast Furnace Slag (GGBS) GGBS is mainly used as a partial replacement of cement in concrete. When added as an admixture to concrete, it acts as a stabilising agent and improves the quality of concrete. In the production of ready-mixed concrete, GGBS replaces a substantial portion of the Portland cement component, …
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Ground Granulated Blast Furnace Slag (GGBS) The importance of Ground Granulated Blast Furnace Slag (GGBS) lies in its greener way to become a substitute in concrete material. GGBS being a waste material, it needs proper method for disposal. So incorporating this waste material in concrete can reduce the depletion of …
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IS 12089 (1987): Specification for granulated slag for the ...
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Ground Granulated Blast furnace Slag (GGBS)[1] is a by product from the blast furnaces used to make iron. These operate at a temperature of about 1500 degrees centigrade and are fed with a carefully controlled mixture of iron ore, coke and limestone. The iron ore is reduced to iron and the remaining materials from a slag
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Learn about the production, properties and applications of granulated blastfurnace slag (GBS), a co-product of iron making. Compare the chemistry, morphology and reactivity …
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Slag cement, originally known as granulated blast-furnace 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.
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Ground granulated blast furnace slag (GGBS) is a by-product from the blast-furnaces used to make iron. Blast-furnaces are fed with controlled mixture of iron-ore, coke and limestone, and operated at a temperature of about 1,500°C. ... ASTM C 989: Standard specification for ground granulated blast-furnace slag for use in concrete …
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GGBFS stands for ground granulated blast furnace slag, a byproduct of steel production that can be used as a cement replacement in concrete. Learn about its chemical …
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Concrete has become a versatile material by adapting itself to user needs, from pavers to skyscrapers. Escalated demand for concrete is the prime reason for the exploitation of resources and increased carbon emissions. This research focuses on reducing the environmental impact of cement manufacturing by partly replacing cement …
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Granulated Blast Furnace Slag (GBFS) FCS is one of the trusted Granulated Blast Furnace Slag (GBFS) suppliers to cement companies in India and Middle East. Specifications. CaO: 35% to 40% SiO2: 28% to 36% Al2O3: 10% to 18% MgO: 4% to 9% Sulfur: less than 1.3% Moisture: 10% max Basicity: 1.75 min Glass content: 95% min …
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2.1 Ground-Granulated Blast Furnace Slag (GGBS) and Black Rich Husk Ash. GGBS is obtained from JSW Cements Ltd., Bellari, India. GGBS is one of the primary binders to produce geopolymer concrete (GPC) conforming to the specifications of BIS: 12089–1987 [].BRHA is obtained from the rice mill near Karaikudi.
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blast-furnace slag cement containing 50 wt.-% GGBS gen-erates only 0.54 t CO 2. These data include emissions from ... specifications and conformity criteria for common cements (2000) ... z ASTM C 989: Ground granulated blast-furnace slag for use in concrete and mortars (1999)... 6 weeks later About EUROSLAG: In 2000 slag producers and ...
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1.1.1 History of Blast-Furnace Slag. The latent hydraulic reactivity of granulated blast-furnace slag (gbfs) was discovered in 1862 by Emil Langen in Germany (Lea 1971; Smolczyk 1978).The first use of slags in cements dates back to 1865, when in Germany a slag-lime cement was commercially produced.
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With respect to the mechanical properties, durability and thermal behavior, ground-granulated blast-furnace slag (GGBS) delineates a rational way to develop sustainable cement and concrete.
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Title: ASTM C989/C989M-18a, "Standard Specification for Slag Cement for Use in Concrete and Mortars." Author(s): ASTM Subcommittee C09.27 on Ground Slag Publication: Commentary Reference Volume: Issue: Appears on pages(s): Keywords: DOI: 10.1520/C0989_C0989M-18A Date: 2/1/2019 Abstract: This specification covers three …
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This specification covers three strength grades of finely ground granulated blast-furnace slag for use as a cementitious material in concrete and mortar. The values stated in SI units are to be regarded as standard.
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GGBS of Lafarge Emirates Cement conforms both to BS 6699:1992 & ASTM C 989-99 standards. It is produced by grinding premium quality Granulated Blast-furnace Slag, a by-product of steel manufacturing process, to a fineness of around 400 m2/kg.
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The ground granulated blast furnace slag (GGBFS) is a by-product of iron manufacturing which when added to concrete improves its properties such as workability, strength and durability. This material is obtained by the heating of iron ore, limestone and coke at a temperature about 1500 degree Celsius. The process is carried out in a blast …
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Manufacturing Skyway Slag Cement requires two basic processes: granulation and grinding. Blast-furnace slag is produced in a blast furnace during the reduction of iron ore to iron. It consists of non-metallic …
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Granulated Blast Furnace Slag is a non-metallic by-product produced during the process of Iron making. It primarily consists of silicates, alumino-silicates, and calcium-alumina-silicates. Due to strict process & quality …
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Specification for Ground Granulated Blast Furnace Slag for use in Concrete and Mortars", though this has now been superceded by ASTM C 989 – C 989M-1613 which is the "Standard Specification for Slag Cement for use in Concrete and Mortars". The ASTM Standard12 describes three grades of GGBFS – Grades 80, 100 and 120.
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Ground granulated blast-furnace slag (GGBS), manufactured from a by-product of the iron-making industry, is one of the most common, and most sustainable, substitutes. ... Specification, …
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Ground granulated blast furnace slag (GGBS) is a co-product of the iron and steel industry, formed in the blast furnaces that create iron out of iron ore. It has been used as a supplementary cementitious material in concrete around the world since the end of the nineteenth century due to its technical properties (such as improving the concrete ...
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