Use of mineral admixtures like Ground Granulated Blast Furnace Slag (GGBFS), Silica Fume (SF), Fly Ash (FA) etc. in concrete may be the better solution in above conditions.These admixtures also offer benefits with respect to the cost of concrete. ... Wee, T. H., Suryavanshi, A. K., and Tin, S. S., (2000), Evaluation of Rapid Chloride ...Web
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In the presented comprehensive study, SCMs such as ground granulated blast furnace slag (GGBFS), fly ash (FA), silica fume (SF), metakaolin (MK) and limestone (LS) with their various physico-chemical, mineralogical, morphological and durability properties have been addressed along with life cycle assessment (LCA) studies. Based …Web
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This study adopted the Rosin-Rammler-Bennett (RRB) equation to model the particle size distribution (PSD) of ground granulated blast furnace slag (GGBFS) and prepared four groups of GGBFS powders with a characteristic particle size De = 8–20 μm and uniformity coefficient n = 0.9–1.4 by means of grading and combining blast furnace …Web
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Consistency and setting time are influenced by the source of cement. Inclusion of GGBFS decreases consistency by dropping it to 31.2% for normal cement concrete, 29% for 40% and 26.5 for 70% replacement. Setting time (initial and final) was also increased by nearly 50% for 70% replacement [29].Web
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Fly ash and ground granulated blast furnace slag: 20–23 °C: 15–70 MPa: Fly ash-based geopolymer with GGBFS is found to be a suitable for low to moderate strength concrete application at ambient curing condition. G.M. Rao and T.D.G. Rao, [126] Fly ash and ground granulated blast furnace slag: 35 ± 2 °C: 41–75 MPaWeb
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Mineral admixtures serve a critical function in improving the characteristics of concrete. The characteristics of blended concrete are investigated in this research utilizing varying quantities of ground granulated blast furnace slag (GGBS). The mix design is prepared as per M30 grade of concrete.Web
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Various studies have been conducted on the self-compacting concrete using combination of mineral admixtures such as metakaolin (MK), fly ash (FA), rice husk ash …Web
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A recent paper by the first author has proposed sustainable concrete with 80% ground granulated blast furnace slag ... Mineral admixtures, in concrete admixtures handbook, Noyes, Park Ridge, NJ. Google Scholar. Sadati, S. A., Arezoumandi, M., Khayat, K. H., and Volz, J. S. (2016). "Shear performance of reinforced concrete …Web
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The mix ratios of the former two groups, cement with steel slag powder alone or with a compound admixture of GGBFS-steel slag powder, were in Tables 3 and 4.In Table 3, the cement paste samples of S0, S10, S20, S30, S40, and S50 were prepared, in which cement was replaced by unmodified steel slag powder from 0 to 50 %, …Web
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To promote the large-scale application of ground granulated blast furnace slag powder (GGBFS) in the cement and concrete industry, high-performance slag …Web
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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. ... Grades 100 and 120 are the most commonly used as admixtures in concrete.Web
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Ground granulated blast furnace slag (GGBFS) Pozzolanic Admixtures of Concrete; A pozzolan is a material which, when combined with calcium hydroxide (lime), exhibits cementitious properties. …Web
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The mineral admixtures in this research include inert GP and active mineral admixtures (GGBFS, FA and MK). The chemical components of mineral admixtures and P·O 42.5 Portland cement are presented in Table 1. The phase composition and particle size distribution of cement and mineral admixtures are displayed in Fig. 1 and Fig. 2, …Web
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Utilization of various mineral admixtures in producing mortar decreases the porosity and capillarity, hence improves the durability in opposition to water and competitive solutions. In this research work, Ground Granulated Blast Furnace Slag is used to replace 30 percent, 60 percent, and 70% of ordinary Portland cement (OPC) (GGBFS). …Web
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To promote the large-scale application of ground granulated blast furnace slag powder (GGBFS) in the cement and concrete industry, high-performance slag-based composite admixtures (SCAs) were prepared with GGBFS as the main raw material and converter steel slag powder (SS), limestone powder (LP) and fly ash (FA) as auxiliary …Web
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Generally, the effects of chemical admixtures on concrete with ggbfs are similar to those for OPC concrete. Retarding admixtures are typically more effective …Web
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GGBFS can be used as a high volume mineral admixture in concrete due to technological, economical, and environmental benefits, without any compromise with its performance. GGBFS has the cementing property, …Web
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Methods using industrial byproducts such as ground granulated blast furnace slag (GGBFS) and fly ash (FA) as alternatives to cement are known to be effective [3,9,10]. Furthermore, the use of admixtures as replacements for cement can reduce carbon emissions from cement production plants, thereby efficiently mitigating …Web
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Mineral additives and chemical admixtures are commonly used in cement and concrete technology. One of the most widely used mineral additives is ground granulated blast-furnace slag (GGBFS). The result of its reaction with water is primarily the C-S-H (calcium silicate hydrate) phase and other phases that may also be found in …Web
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11.2.2 Ground-granulated furnace slag. 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 to be removed from the blast furnace. Similar to fly ash, the chemical compositions of GGBFS depend on the row materials used ...Web
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In this study, the effects of ground granulated blast furnace slag (GGBFS) content, alkaline solution to binder (Al/Bi) mass ratio, sodium silicate solution to sodium hydroxide solution (SS/SH) mass ratio, and additional water to binder (Aw/Bi) mass ratio on the compressive strength, setting time and workability of geopolymer pastes were …Web
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FA and GGBFS were used as primary and secondary binding materials conforming to ASTM C 618 − 19 [] and ASTM C 989–2018 [].As a control mix, cement is used in this paper according to ASTM C 150–2019 [] was obtained from UltraTech cement limited, Vijayawada.Table 1 represents the chemical composition of binders used in this …Web
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Geopolymer concrete is gaining recognition as an environmentally friendly alternative to traditional cement-based materials, offering potential solutions for reducing the carbon emissions of the construction industry. This study aims to develop GGBFS–FNS geopolymers utilising ferronickel slag (FNS) and ground-granulated blast-furnace slag …Web
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The cement used was Type I Portland cement provided by Huarun Cement Co. Ltd. Mineral admixtures including class F fly ash and grade 100 GGBFS were used for the replacement of Portland cement. The chemical composition of cement is …Web
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The present work reviews the various mineral admixtures used in concrete which modifies the concrete properties. In this study, cement is partially or completely replaced by different mineral admixtures such as fly ash, silica fume, rice husk ash, Ground Granulated Blast Furnace Slag, palm oil fuel ash and metakaolin. The strength …Web
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2.2. Mix Proportions and Specimen Preparation. Mineral admixtures, GGBFS and FA, were used to produce concrete using two types of binary blended cement and the replacement ratios of GGBFS were 20, 40, and 60% of the unit binder content, and the replacement ratios of FA were 10, 20, and 30% of the unit binder content, respectively [17, 18].The mix …Web
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Concrete with GGBFS shows different strength development of normal concrete, but sensitive, to exterior condition. Thus, a precise strength evaluation …Web
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1. Introduction. Ground granulated blast furnace slag (GGBFS) is widely used in various engineering applications to replace the ordinary Portland cement (OPC) [1,2,3].However, GGBFS is sensitive to curing conditions and exhibit slow strength development [4,5,6,7,8].In order to predict the strength behavior in the concrete with …Web
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This investigation exhibits a study on the effect of silica fume, Rice husk ash and Ground granulated blast furnace slag on mechanical property of Performance based concrete.The Performance based concrete with various proportion of different mineral admixtures were tested including compressive strength at 7,14 & 28 days of curing. The …Web
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One alternative to reduce the cost of self-compacting concrete is the use of mineral admixtures such as silica fume, ground granulated blast furnace slag and fly ash, which is finely, divided ...Web
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In the present paper, mineral admixtures (SF, GGBFS, MK, RHA, FA, fiber and LP) and chemical admixtures (SMF, SNF and PCE) used in the self-compacting concrete have been discussed in detail. The classification of various rheological, mechanical resistance and durability properties of SCC is shown in Fig. 2. Fig. 2.Web
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