ground-granulated blast-furnace slag dryer and grinder

In the present research work an attempt has been made to stabilize red mud using ground granulated blast furnace slag. The amount of slag is varied as 0%, 10%, 20%, 40%, 60% and 80% by weight of the red mud-slag mixture. For each combination of red mud-slag the Atterberg's limits, pH value, differential free swell value, compaction ...

Ground granulated blast furnace slag (GGBS) is a by-product of pig-iron production. The production of 1 t GGBS emits approximately 0.14 t CO 2 (Özbay et al., 2016), accounting for only about 16% of the CO 2 emission from cement production (Wu et al., 2020). Thus, extensive utilization of high volume GGBS to replace cement is an …

Reducing or replacing cement clinker is one of the most important ways for the sustainable development of the cement industry. In the present work, three types of industrial solid wastes, wet ground granulated blast-furnace slag (WGGBS), phosphogypsum (PG) and carbide slag (CS), were designed as clinker-free, high …

The use of Ground Granulated Blast Furnace Slag reduces the heat generated during the hydration of cementitious materials. This is especially valuable in large concrete pours, as it minimizes the risk of thermal cracking. GGBFS is used as combination material with cement in most of the countries. Further, it can be added with cement in …

Plain cement concrete, ground granulated blast furnace slag (GGBS) concrete, and fly ash concrete were designed. Three wet curing periods were employed, which were 2, 5, and 8 days.

Ground Granulated Blast Furnace Slag ( GGBS), a by-product of the iron industry produced by quenching molten slag, has cement's chemical composition. About …

The compositions of Ground Granulated Blast Furnace Slag (GGBFS) varied by 0%, 25%, 50%, 75% with the coarse aggregate composition of 40% against natural aggregate. The use of 50% GGBFS gave the ...

Investigations were made of the effect of different levels of ground granulated blast furnace slag (GGBFS) addition levels on the rheological properties of fresh geopolymers as well as their mechanical performances at 2, 14 and 28 days. The aim of the study was to obtain flow curves and to establish the correlation between shear …

without ground granulated blast furnace slag is 16% higher than that of specimens with 90% content. In order to reduce carbon emissions, it is feasible to add 70% ground granulated blast furnace ...

Wood ash was incorporated as a 0 wt%, 10 wt% and 20 wt% partial replacement for ground granulated blast furnace slag (GGBFS). The wood ashes were ground in a planetary ball mill for 10 and 20 min. Sodium silicate (Na2SiO3), sodium carbonate (Na2CO3), and sodium hydroxide (NaOH) were used as alkali activators.

Ground granulated blast furnace slag (GGBFS) reacts with water in the presence of calcium sulfates and alkalis and is frequently used as a partial replacement for portland cement in concrete. The hydration products are known to be slightly different compositionally and morphologically than those of pure portland cement hydration. In this …

As is well known, ground-granulated blast-furnace slag (GGBFS) is a byproduct of industry and has high hydraulic activity [34, 35]. The use of GGBFS in concrete is beneficial to the increase in the compressive strength of concrete [36, 37] and the durability of concrete structures [34, 38, 39].

PDF. Tools. Share. Abstract. Ground granulated blast-furnace slags (GGBS) show improved hydration reactivity when granularity fineness increases, but the …

Given the shared metallurgical lineage between steel slag and ground granulated blast furnace slag (GBFS), the former is being considered for cotreatment …

Green concrete is made with a binder of GGBS, DG and EAFRS. • Green concrete yields a compressive strength over 50 MPa at 28 days. • GGBS is activated by Ca(OH) 2 from EAFRS and gypsum from DG. Lowered Ca(OH) 2 content and hydration heat is released than portland cement. Hydration products include C–S–H of a low Ca/Si …

A large amount of phosphogypsum (PG, a solid waste) has been produced with the development of the industry. Activated ground granulated blast-furnace slag (GGBS) has been considered an effective solution for stabilizing PG in road construction. However, the mechanical properties of PG stabilized by lime-activated GGBS are not …

The FS of concrete at a water to binder ratio of 0.45 is 4.216 MPa for a control mix that does not include GGBS. In addition, the FS is increased to 4.367 MPa, 4.47 MPa and 4.61 MPa, which is 3.58 percent higher, 6.02 percent higher and 9.34 percent higher than the control. 2022, 14, 8783.

Abstract. Concrete structures immersed in sea water suffer severe corrosion, and the application of nanomaterials to concrete presents an innovative approach to enhancing both its physical and mechanical properties. In this paper, the effects of combined admixtures of graphene oxide nanoplatelets (GONPs) and ground …

The mass percentage of ground granulated blast furnace slag in respect to the total mass of the binder was 0 to , varied in steps of 20 % steps of replacement. All batches were made by using a ...

Abstract. 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. When iron-ore, coke and limestone melt in the blast furnace, two products are produced—molten …

Granulated blast furnace slag (GBFS) was taken from Kirloskar Ferrous Industries Limited, Koppal, Karnataka, India, located at 15.335547° N, 76.278816° E. Marine clay was replaced by granulated blast furnace slag in various percentages (10%, 20%, 30%, 40% and 50%) and cement was added in various percentages (2%, 4%, 6%, 8% …

Molten blast furnace slag, which is rapidly quenched from the furnace, air-cools slowly to form (GBFS). Where this granulated slag is further processed or ground, the product is referred to as ground granulated …

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.

With respect to the mechanical properties, durability and thermal behavior, ground-granulated blast-furnace slag (GGBS) delineates a rational way to develop …

The peat is generally treated by conventional binder like cement, responsible for the emission of carbon dioxide (CO2). However, the use of geopolymer showing high strength and low CO2 emission has proved the best replacement for a conventional binder. Therefore, this paper presents a study on ground-granulated blast furnace slag …

The goal of the current study is to determine the dissolving effect of slag in water. Five percentage values of slag were taken up for the study: 0%, 2.5%, 5%, 10%, and 20%. The study is based on two methods of mixing. The first method is the traditional mixing process, which involves addition of slag directly with other concrete proportions such as …

Ground granulated blast furnace slag (denoted as slag hereafter), an industrial by-product from the steel manufacture, is mainly used as mineral admixture in …

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 furnace.

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.

Composition. Ground granulated blast furnace slag (GGBFS) is designated in ASTM C 989 and consists mainly of silicates and aluminosilicates of calcium. GGBFS is divided into three classifications based on its activity index. Grade 80 has a low activity index and is used primarily in mass structures because it generates less heat than portland ...

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 ...

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 …

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 utilize 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%.

Ground granulated blast-furnace slag, GGBFS, is a by-product of iron in blast-furnace. It mainly consists of silicate and aluminosilicate of melted calcium that periodically needed …