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The molten iron slag extracted from the blast furnace is rapidly cooled using water or steam, resulting in the formation of a glassy and granular waste material. This waste material, when subjected to grinding, produces ground granulated blast-furnace slag, usually referred to as GGBS.
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Liquid blast furnace slag cooling regimes traditionally include air-cooling, granulating (wet), expanding, and pelletizing, and result in four distinct types of blast furnace slag: air-cooled slag, solidified under ambient conditions; granulated slag, solidified by quick water quenching to a vitrified (glassy) state; expanded or ed slag, solidified with controlled …
GGBS (Ground Granulated Blast-furnace Slag) is a cementitious material whose main use is in concrete and is a by-product from the blast-furnaces used to make iron. Blast-furnaces operate at temperatures of about 1,500°C and are fed with a carefully controlled mixture of iron ore, coke and limestone. The iron ore is reduced to iron and the ...
Chapter 3. nulated Blast Furnace SlagIntroductionMetallurgica. industry produces slag as by-products. Iron blast furnace slag is the major non-metallic product consisting of si. icates and aluminosilicates of calcium. They are formed either in glassy texture used as a cementitious materials or.
A by-product of the steel-making industry, granulated blastfurnace slag (GBFS) is produced by the rapid cooling of iron ore slag. This creates a hydraulic material that is naturally cementitious and high in calcium silicate hydrates (C-S-H), a compound that increases the strength and durability of concrete.
AbstractA substantial amount of portland cement (PC) is required in grouting practice for soils and rocks. These grouting applications are relatively new areas in which PC could be substituted by high amounts of granulated blast furnace slag (GGBFS) and ...
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. Apart from environmental benefits, the replacement of cement by GGBS illustrates an adequate way to mitigate the economic impact.
The BFS is quenched with water to form granulated blast furnace slag (GBFS) and is then dewatered and dried before being sent to a grinding facility where the final product is produced (Slag Cement Association, 2021). From there, the slag will be distributed by suppliers to be used in different applications of concrete mixes.
Since the discovery of the latent hydraulic reactivity of ground granulated blast-furnace slag (ggbfs) by Emil Langen at the end of the 19th century, this material has been used successfully as cement and concrete …
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IS : 12089 - 1987. 2.1 Granulated Slag - Slag is a non-metallic product consisting essenti-. ally of glass containing silicates and aluminates of lime and other bases, as in the case of blastfurnace slag, which is developed simultaneously with iron in blastfurnace or electric pig iron furnace. Granulated slag is obtain-.
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PDF | To characterise the hydraulic activity of ground granulated blast-furnace slag (GGBFS) in a low alkaline solution, the hydration degree, heat... | Find, read and cite all the research you ...
The latent hydraulic reactivity of granulated blast-furnace slag (gbfs) was discov-ered 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 …
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This paper presents the results of an investigation into the influence of fineness and particle size distribution of granulated blast-furnace slag (GBFS) on its hydraulic reactivity in cement systems. The GBFS was separated into different fineness classes by grinding and/or air separation. The particle size distributions were determined …
The composition of metallurgical slag affects the optimal sphere of its application: high calcium content allows the use of slag in the production of binders for cement, low—in the production of gravel …
Investigations were carried out on the suitability of granulated blast furnace slag as a mold material for either full or partial replacement of existing silica sand in the foundry industry. The sodium silicate-CO2 process was adopted for evaluating the same. A series of sand tests were performed on silica sand and slag individually and in …
The technological factors required to improve the operational properties of granulated metallurgical slags demanded in the building industry have been analyzed. In order to satisfy these factors, a new technology for hydro-vacuum granulation of slag melts (HVG) has been developed. It is shown that the main advantage of the proposed HVG …
Ground granulated blast furnace slag also has a lower heat of hydration and, hence, generates less heat during concrete production and curing. GGBFS cement can be added to concrete in the concrete manufacturer's batching plant, along with Portland cement, aggregates and water. The normal ratios of aggregates and water to …
The composition of metallurgical slag affects the optimal sphere of its application: high calcium content allows the use of slag in the production of binders for cement, low—in the production of gravel or thermal insulation materials [ 8, 9 ].
This paper presents results of investigations on the influence of the Al2O3 content of granulated blast-furnace slag (GBFS) on its hydraulic reactivity. Al2O3 content up to 15% has a positive effect on the reactivity of GBFS. Due to the interaction between the Al2O3 and CaO contents the effectiveness of the Al2O3 depends also on the CaO …
Hps100 Mining Single Cylinder Hydraulic 150t/h Pressure Cone Crusher For Granulated Slag, Find Complete Details about Hps100 Mining Single Cylinder Hydraulic 150t/h Pressure Cone Crusher For Granulated Slag,Single-cylinder Hydraulic Cone Crusher With Plc+touch Screen,Low Price Hydraulic Cone Crusher River Stone,Automatic …
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Severe sliding abrasion from granulated slag discharged through the chute created holes in rubber liner and steel body of loading chute.
