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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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Slag cement or GGBFS is granulated blast-furnace 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 ...
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Ground granulated blast-furnace slag (GGBS) is a potential hydraulic material that contributes to particle gradation. The reactivity of GGBS in a cementitious system depends not only on the chemical components but also on their fineness [3].
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Slag is a by-product from steel plants obtained from blast furnaces, during the separation of iron from iron ore. The process involves cooling of the slag through high-pressure water jets, which enables the formation of granular particles. JSW Cement Company, one of the best and leading GGBS manufacturers in India, is known for its state-of-the ...
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Ground granulated blast furnace slag is an environmentally friendly product. Mixing this material into cement improves the chemical resistance, water-tightness, fluidity, and long-term strength of concrete. This material also significantly helps reduce cracking (exothermic suppression) and inhibit alkali aggregate reactions. ...
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Soda residue (SR) and ground granulated blast furnace slag (GGBS), the byproducts of soda and iron production, respectively, have been explored as supplements or stabilizers in soil solidification (Obuzor et al., 2011; Sun and Gu, 2014; Yi et al., 2015, 2016; He et al., 2019, 2020; Lang et al., 2020, 2021). Lime-, magnesia-, carbide slag-, …
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Industrial waste materials, such as ground-granulated blast-furnace slag (GGBS), have been used to produce blended cement. These blended cements are widely used as construction materials or for the maintenance of concrete structure, e.g., remediating cracks in bridge joints and roadways (El-Yamany et al. 2018 ).
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Using industrial wastes (fly ash and ground granulated blast furnace slag) as cement substitutes can reduce the environmental impact of construction and reduce costs. A few experimental combinations with different mix ratios were developed, and novel and challenging properties were investigated. All the studied samples had strong …
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Supplementary Cementitious Materials (SCMs) such as ground granulated blast-furnace slag (GGBS), fly ash (FA) (Chand, 2021; Chand et al., 2021), silica fumes (SF), and rice husk ash (RHA) (Amin et al., 2021) are frequently utilized as partial substitutes for cement in concrete because of their capacity to improve the mechanical …
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Ground granulated blast furnace slag (GGBFS) is a solid waste characterized by a high reactivity with alkali solutions, which is normally used geopolymer precursor. Fiber is often used to reinforce geopolymer. However, systematic investigation on the relationship between mechanical properties and microstructure for PVA fibers …
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In this study, two industrial by-products, CCS and ground granulated blast-furnace slag (GGBS), were combined with DS to replace different dosages of cement into novel and sustainable cementitious binder for the production of eco-friendly mortar. CCS and GGBS were used as alkali activator and supplementary active silicates carrier, …
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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 …
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The compressive strength of concrete cubes cast at the age the pH is found to increase between 12 and 13 after 1-h. of 3, 7, 28, and 90 days was evaluated by casting 150 mm dissolution of slag. Silica has got the tendency to release in. x 150 mm 9 150 mm samples as per the standards of IS water at this pH level.
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At present, ground granulated blast furnace slag (GGBFS), as a by-product of industrial production, is widely applied in concrete [15], [16], [17]. The amorphous content in GGBFS is as high as more than 90% [18], leading to its high chemical reactivity. Meanwhile, GGBFS particles can initiate C-A-S-H gel formation in GGBFS-PC system …
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The ground granulated blast furnace slag (GGBS) 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 the iron ore, limestone, and coke at a temperature of about 1500 o C. The process is carried out in a blast furnace.
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In recent decades, considering environmental issues, partial replacement of Portland cement with supplementary cementitious material (SCM), namely ground granulated blast furnace slag (GGBS), has been in the spotlight of research.
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Since the granulated blast furnace slag is ground, it is not round. An admixture is needed to increase workability rather than increasing the water content. GGBFS only provides increased sulfate resistance or resistance to ASR if > 35% by mass is added. The time of set is slightly delayed by approximately 20 minutes, and early compressive ...
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1. Introduction. Ground granulated blast furnace slag (denoted as slag hereafter), an industrial by-product from the steel manufacture, is mainly used as mineral admixture in civil engineering [1], but its overall utilization is relatively low compared with the increasing annual output [2].In recent years, alkali-activated materials received …
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Ground granulated blast-furnace slag (GGBFS) is a byproduct of making iron and steel, i.e., a fine powder grounded from the glassy, granular material that forms when molten iron …
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Ground Granulated Blast-furnace Slag (GGBS/SLAG) 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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A comprehensive overview of the properties, production, use and effects of ggbfs as a supplementary cementitious material in concrete. Learn about the history, composition, …
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GGBS is primarily a binder used as an addition to cement which uses the latent hydraulic properties of GGBS to produce Portland blastfurnace cement (6-35% of GGBS) or blastfurnace cement (36-90% GGBS) produced by blending at the concrete mixer, or as a factory blend at the cement factory. When produced at the concrete plant mixer these …
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Apart from these, the present study proposes alkali-activation of BOF slag in replacement with ground granulated blast furnace slag (GGBFS) using sodium hydroxide (NaOH) as the activator. The fresh-state, mechanical, and microstructural properties of the alkali-activated paste samples were analyzed on 24 mixes. Test results showed that …
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Ground-Granulated Blast-Furnace Slag (GGBS) GGBS is a principal byproduct produced by steel and iron productions. The furnace is. typically run at a temperature of 1500 degrees Celsius. The blast ...
DetailsThis paper reviews the global production and utilisation of GGBS, a co-product of the iron and steel industry, and its potential to reduce clinker demand and emissions. It …
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Ground granulated blast-furnace slag (GGBS, Taiwan Steel Resource Ltd.), electric arc furnace reducing slag (EAFRS, Taiwan Steel Resource Ltd.) and desulfurization gypsum (DG, Taiwan Steel Resource Ltd.) were used as cementitious materials. Two kinds of EAFRS were used and denoted as EAFRS-1 and EAFRS-2, …
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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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Ground granulated blast-furnace slag (GGBS) is a cementitious material produced as a by-product during the iron manufacture process. GGBS has similar chemical composition, mostly silica, calcium oxide, and alumina, to …
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NewCem® Slag Cement is a finely ground, granulated blast furnace slag (GGBFS) available to blend with conventional Portland cement to deliver a strong, high-quality, …
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Ground granulated blast furnace slag also has a lower heat of hydration and, hence, generates less heat during concrete production and curing. GGBFS is a desirable material to use in mass concrete placements where control of temperatures is an issue. GGBFS can be used instead of cement with the ratios from 10% to 90%.
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NewCem® Slag. NewCem Slag is a finely ground, granulated blast furnace slag (GGBFS) available to blend with conventional Portland cement to deliver a strong, high-quality, durable concrete. A high-performing, sustainable product, NewCem is a testament to our unrivaled knowledge and technical expertise in the production of slag cements.
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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 …
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The chemical composition and pH of the pore solution extracted from six different ground granulated blast-furnace slag (GGBFS) pastes were determined. The concentrations of Si, Ca, Al, and Mg are functions of the pH of the aqueous phase, with high pH associated with the higher concentrations of Si and Al and the lower concentrations …
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As compared to traditional mixing procedure, the novel mixing methodology has given improved results in terms of mechanical strength of concrete. The highest compressive …
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Ground granulated blast furnace slag (GGBFS) was obtained from Nippon Denro Ispat Ltd., India. Its properties are given in Table 3. Sikament 170, a concrete superplasticizer based on Sulphonated Naphthalene Polymer, was used as a water-reducing admixture. The dosage of superplasticizer taken was 1.1% by weight of cement.
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