The use of alternative aggregate is a natural step towards solving part of the depletion of natural aggregate, and the alternative aggregate processed from waste materials which would appear to be an even more sensible solution. ... Higashiyama, H., Sappakittipakorn, M., Mizukoshi, M., & Takahashi, O. (2014). Efficiency of ground granulated ...
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Blast furnace slag is a secondary aggregate used widely in construction because of its performance attributes and durability. Slag aggregates produced by Tarmac are supplied as CE marked products under the Factory production control …
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Recycling ground granulated blast furnace slag as cold bonded artificial aggregate partially used in self-compacting concrete J. Hazard. Mater., 235–236 ( 2012 ), pp. 352 - 358, 10.1016/j.jhazmat.2012.08.013
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The use of Geopolymer Concrete (GPC) has been promoted by recent research as a sustainable solution [11].Geopolymers are alkali activated aluminosilicate precursors derived from industrial by-products or raw materials such as silica fume (SF), ground-granulated blast slag (GGBS), fly ash (FA) which can be used as supplementary cementitious materials (SCMs).
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Table 1 displays the chemical composition of Ground Granulated Blast Furnace Slag (GGBS) and OPC. The investigation employed sand from Zone-III with fineness modulus, …
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The rapid cooling of molten slag by large quantities of water produces sand-like granule aggregate. Primarily ground into a cement replacement known as ground granulated blast furnace slag (GGBS) this is used in ready-mixed and precast …
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GGBS is used along with the ordinary Portland cement or other pozzolanic materials in concrete. Its use is increasing day by day because it …
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A study was conducted using Ground-Granulated Blast-Furnace Slag (GGBFS) as a partial replacement material for fine aggregates. Test results showed that the compressive strength of the concrete increases and the optimum value was found at a slag replacement proportion of 30% of fine aggregate and after that any further replacement of slag ...
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The uniaxial compressive stress-strain behaviors of fly ash/ground granulated blast furnace slag (GGBFS) geopolymeric concrete containing recycled aggregate were investigated in this study. Geopolymeric concretes with the variations of three recycled aggregate replacement ratios (i.e., 0%, 50% and ) and four contents of slag (i.e., 0%, 10% ...
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attached old cement paste contribute to reduced strength in recycled aggregate concrete (RAC). Ground granulated blast furnace slag (GGBS) has been added to RAC mix constituent to enhance its strength and reduce the amount of cement used in the mix [3-4]. The exposure of recycled aggregate concrete structures to high temperatures during
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This study investigates the use of demolition waste as recycled coarse aggregates (RCAs) to replace natural coarse aggregates (NCAs), and the use of ground granulated blast slag (GGBS) and limestone filler (LF) as a supplementary cementitious material, in self-compacting concrete (SCC), with proportions of 150 kg/m3 for GGBS and 180 kg/m3 for LF. Various SCC …
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The substitution of coarse aggregates with light expanded clay aggregates in SCC resulted in decreased compressive and splitting tensile strength of SCC with increasing percentage of light ... The effect of Ground Granulated Blast Furnace Slag (GGBFS) on Portland cement type II to compressive strength and Splitting tensile strength of high ...
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What is Ground Granulated Blast Furnace Slag (GGBS)? 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 …
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Ground granulated blast furnace slag (GGBFS), a by-product from iron industry, was recycled as artificial coarse aggregate through cold bonding pelletization process. The artificial slag aggregates (ASA) replaced partially the natural coarse aggregates in production of self-compacting concrete (SCC).
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Replacing Ordinary Portland Cement (OPC) with industrial waste like Ground Granulated Blast Furnace Slag (GGBFS) has been proven to have remarkable benefits regarding the mechanical properties of concrete and the environment. ... GGBFS grade, GGBFS to cement ratio, water, coarse aggregate, fine aggregate, and testing age, were considered as the ...
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Development of sustainable concrete using recycled coarse aggregate and ground granulated blast furnace slag. Constr. Build. Mater., 159 (2018), pp. 417-430. View PDF View article View in Scopus Google Scholar [29] A. Katz. Treatments for the improvement of recycled aggregate. J. Mater. Civ.
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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 ...
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AbstractThe present study illustrates the susceptibility of optimized-quality recycled concrete aggregate (RCA) to supplementary cementitious materials (SCMs), such as silica fume (SF), ground granulated blast slag (GGBS), and mechanically produced ...Practical ApplicationsAbout 20% to 30% of recycled fines (M-Fines) below 150μm are generated …
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Cementitious materials are the essential components used in concrete and mortar that provide the binding properties needed for construction. These materials, which include Portland cement, ground granulated blast furnace slag (GBFS), fly ash, gypsum, and others, react chemically with water to form a hard, stone-like material crucial for building durable, long-lasting structures.
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In general, PC, fine aggregate, coarse aggregate, water, and workability-enhancing additives are included in concrete utilized for concrete pavements. SCMs, including fly ash, ground granulated blast furnace slag, and silica fume, are used in …
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The rapid cooling of molten slag by large quantities of water produces sand-like granule aggregate. Primarily ground into a cement replacement known as ground granulated blast furnace slag (GGBS) this is used in ready-mixed and precast concrete and masonry, floor levelling compounds and high temperature resistant building products.
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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 …
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The present investigation aims to use recycled coarse aggregate (RCA) and ground granulated blast furnace slag (GGBFS) as replacement of natural coarse aggregate …
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The recycled materials used in this study are Ground granulated blast furnace slag (GGBS) and recycled concrete aggregates. GGBS was used as partial cement replacement and recycled …
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Keywords: chloride penetration; corrosion potential; ground-granulated slag; marine environment; recycled aggregate concrete. DOI: 10.14359/51722406. ... is the investigation of the corrosion resistance of reinforced concrete containing various proportions of recycled aggregates (RA) combined with 25% ground-granulated blast-furnace slag (GGBS ...
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Beneficiation of waste materials such as fly ash, ground granulated blast furnace slag etc. for the manufacture of artificial lightweight aggregate has a promising future due to the increasing ...
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When crushed or milled to very fine cement-sized particles, ground granulated blast furnace slag (GGBFS) has cementitious properties, which make a suitable partial replacement for or additive to Portland cement. ... Mineral Aggregate Conservation Reuse and Recycling. Report prepared by John Emery Geotechnical Engineering Limited for Aggregate ...
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• coarse and fine aggregates • ground granulated blast furnace slag, • transport of these materials to the batching plant; and • transport of concrete to the construction site. Typical embodied emission factors for the main concrete constituent materials have been reported by Flower, Sanjayan and Baweja and are summarised in Table 23.
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From the results it can be concluded that the inclusion of ground granulated blast furnace slag into the recycled aggregate concrete mix 1) achieved 70 MPa compressive strength in 90 days of curing 2) increased the surface resistivity to 88 kΩcm and 3) decreased the carbonation resistance.
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This study investigated the alkali-silica reaction (ASR) of air-cooled and water-quenched high-magnesium nickel slag (HMNS) fine aggregates in alkali-activated ground granulated blast-furnace slag (AAS) mortars. The mortars exhibited satisfactory volume stability and structural integrity throughout the 120 days of accelerated mortar bar test.
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Cementitious and recycled materials that have the potential to improve various properties of concrete have attracted the attention of many researchers recently. Different types of cementitious and recycled materials seem to possess certain unique properties to change cement concrete. This experimental study aims to investigate the impact of ground granulated blast …
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The self-compacting concrete (SCC) mixes were developed using lightweight expandable clay aggregate (LECA) as a partial substitute for coarse aggregate, ground …
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The partial replacement of cement by industrial waste such as Fly Ash (FA), Rice Husk Ash (RHA), Ground Granulated Blast Furnace Slag (GGBS), Silica Fume (SF), and Sugar Cane Bagasse Ash (SCBA) is reviewed. ... and type of aggregate used in the mix also play a role in determining the split tensile strength of partially cement replaced concrete ...
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ash and 20% of fine aggregate is replaced with ground granulated blast furnace slag. Figure 4: Graph showing Compressive strength at 0%, 15%, 20%, 25% after 7, 14, 28 days 23
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