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50% replacement of natural sand with GBFS give better compressive strength than that of cement mortar. For 50% replacement the compressive strength is increased by 9.53%. There is reduction in compressive strength by 13.8, 5.11, 2.24, 7.56, and 5.34% for 60, 70, 80, 90, and 100% replacement respectively. It shows that, significant amount of decrease in compressive strength of cement mortar made with GBFS when compared with cement mortar.Substitution of the natural sand by crystallized slag of,Jun 01, 2018· In this study, we sought to use the crystallized sand slag of blast furnace in the production of ordinary concrete. The natural sand is substitute totally or partially by the crystallized sand slag in the composition of concrete.
Apr 22, 2017· Abstract-This research exploits ground granulated blast furnace slag (GGBFS) as a replacement of sand on the physico-mechanical properties of concrete. Using these natural materials helps in the natural exchequer such as aggregate and cement. In addition to, it also helps in reducing the cost of manufacturing concrete.EFFECT OF GRANULATED BLAST FURNACE SLAG AS ,The major impact on concrete due to substitution of Granulated blast furnace slag is low slump and the reduction in slump is observed when 40% and more than 40% granulated blast furnace slag is substituted in natural sand. Super plasticizer with 1% dosage is required for concrete in which 40% to 80% Granulated blast furnace slag is substituted in Natural sand. 1.3% is the dosage required for
3.The Results of 25%, 50%, 75% and 100% replacement of river sand with blast furnace slag has given acceptable Cold Crushing Strength (CCS) in 7 days and 28 days of curing 4.The use of blast furnace slag (as fine aggregate) as a replacement for river sand has given higher compressive strength.Replacement of Fine Aggregate by Granulated Blast Furnace,Jan 04, 2016· Natural sand deposits are being used up and causing serious threat to environment as well as the society. This situation led us to explore alternative materials to replace river sand. Granulated Blast furnace Slag (GBFS) a waste industrial by product is one such material identified for replacement of natural sand.
3. Blast-furnace slag is the glassy granular material formed when molten blast-furnace slag is rapidly chilled, as by immersion in water (Virgalitte et al., 2000). Blast furnace slag (4.75mm to 75 micron) was collected from jindal Steel Plant located at bhilai, Chhattisgarh for replacement to natural sand. The physical properties of blastUtilization of Granulated Blast Fu rnace (GBF) slag for,3.The Results of 25%, 50%, 75% and 100% replacement of river sand with blast furnace slag has given acceptable Cold Crushing Strength (CCS) in 7 days and 28 days of curing 4.The use of blast furnace slag (as fine aggregate) as a replacement for river sand has given higher compressive strength.
Jul 03, 2015· Granulated blast furnace slags are one of the promising sustainable solutions as they are obtained as solid wastes generated by industry. Hence it reduces the solid waste disposal problem and other environmental issues. Present experimental work explores the possibility of using GBFS as replacement of natural sand in concrete.An Experimental Investigation on Utilization of Waste,replacement of sand with waste foundry sand and 50% replacement of sand with Granulated Blast Furnace Slag at 28 days of curing is 10.3% and 10.1% more than that of Fly ash bricks with no replacement of sand. The wet compressive strength for 40% replacement of sand with waste foundry sand
sand is used as fine aggregate and coarse aggregate of 12.5mm size are used and also ground granulated furnace slag is used as replacement material for cement and poly propylene plastic particles which are passed from 4.75mm sieve are used as replacing material for the fine aggregate. PROPERTIES OF GGBS Test Unit BS Requirement GGBS-CRCUSE OF GRANULATED BLAST FURNACE SLAG AS FINE ,USE OF GRANULATED BLAST FURNACE SLAG AS FINE AGGREGATE IN CEMENT MORTAR M C Nataraja1*, P G Dileep Kumar2, A S Manu1 and M C Sanjay1 This paper investigates the possibility of utilizing Granulated Blast Furnace Slag (GBFS) as a sand substitute in cement mortar, in order to reduce environmental problems related to aggregate mining and waste
This paper investigates the possibility of utilizing Granulated Blast Furnace Slag (GBFS) as a sand substitute in cement mortar, in order to reduce environmental problems related to aggregate mining and waste disposal. In this investigation, cement mortar mix 1:3 and GBFS at 0, 25, 50, 75 and 100% replacement to natural sand for constant w/c ratio of 0.5 is considered.NO.5 BLAST FURNACE RELINE PROJECT,3. Rationale of the Blast Furnace Reline 3.1 The No.5 Blast Furnace was commissioned as a new facility in 1972. Blast Furnaces are often subjected to extreme physical stress resulting in deterioration of the interior, thus requiring periodic repair. The major repair in a Blast Furnace’s campaign life is the replacement of the lining
Blast-furnace slag, a by-product of the steel production, obtains latent-hydraulic properties after rapid cooling and can thus replace clinker in cement. In EN 197-1 (2000), three types of slag cements are defined : CEM III/A (36 65 % BFS), CEM III/B (66 80 % BFS) and CEM III/C (81 95 % BFS)).Blast Furnace No. 14 Hearth and Stave Repairs Graycor,Project Scope. Graycor Industrial’s team performed various repairs to Blast Furnace No. 14 at U.S. Steel’s Gary Works facility. Work for the furnace proper included: rough scale-down; repair and replacement of 64 copper staves and associated piping, hearth wall lining, hearth bottom, tuyere assemblies and coolers, and above burden probes; installation of blow-in lining, and dry-out.
Influence of granulated blast furnace slag as fine aggregate on properties of cement mortar . The gradation of sand for preparation of mortar specimens was kept in accordance to the BIS 4031 (part- 6) (1988). The gradation of GBS was kept similar to the sand as per aforementioned code while making replacements for natural sand.Granulated Slag (GBS) Tarmac,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.
The concretes with incorporation of blast furnace slag sand represent a new family of construction materials. The respective fields of application depend on the performance, cost and availability of the components. To set performance-based concrete with incorporation of blast furnace slag El-Hadjar, a general characterization was essential.EFFECT OF GRANULATED BLAST FURNACE SLAG AS ,In this paper granulated blast furnace slag is used as substitute for river sand in cement mortar and concrete, to overcome the environmental problems created due to over mining. In this investigation, in a cement mortar and concrete replacing natural sand by granulated blast furnace slag in a range of 20%, 40%, 60%,80% and 100%.
in blast furnace, to replacement of natural sand for making cement concrete and cement mortar. In the present study an attempt has been made with mortar cubes of 1:4 and 1:6, with alternative i.e. Blast Furnace Slag (BSF) (20, 40, 60, 80 and 100% replacement of sand) were prepared and determined their compressive strength for 3 and 7 days.Experimental Investigation of Granulated Blast Furnace,replacement of natural sand (NS) by Granulated blast furnace slag (GBFS) and quarry dust (QD) [3 cubes on each parameter respectively] for W/C ratio of 0.55 respectively. All the cubes were tested under compressive testing machine. To compare the average compressive strength of
Oct 11, 2019· In this research, with the proportion of 18% cement, 37% crushed sand, 33% dune sand, and 12% fly ash, the length change in alkali-silica reaction and strength development tests were conducted in order to evaluate the effect of ground (granulated) blast furnace slag (GBFS) in replacement of cement in 0%, 20%, 30%, 40%, and 50%, respectively onInfluence of granulated blast furnace slag as fine,Influence of granulated blast furnace slag as fine aggregate on properties of cement mortar . The gradation of sand for preparation of mortar specimens was kept in accordance to the BIS 4031 (part- 6) (1988). The gradation of GBS was kept similar to the sand as per aforementioned code while making replacements for natural sand.
Keywords: Concrete, Compressive strength, Ground-granulated blast furnace slag, flexural strength, Marble slurry. I. INTRODUCTION In this project we have investigates the results of properties on concrete by partial replacement of cement OPC (43-grade) up to 20% with Ground-granulated blast furnace slag and fine aggregate replaced up toConverting Granulated Blast Furnace Slag into Fine Aggregate,environment by introducing processed granulated blast furnace slag as an eco-friendly alternative to river sand. This initiative is first of its kind in the country. GRANULATED BLAST FURNACE SLAG (GBS) Blast furnace is an iron making unit which converts iron ore into molten iron through reduction reactions, in presence of coke and fluxes.
EFFECT OF PARTIAL REPLACEMENT OF COARSE AGGREGATE BY WASTE CERAMIC TILES AND CEMENY BY GROUND GRANULATED BLAST FURNACE 1Sakthi Prasad. R, 2N. Selva Kumar 1Post Graduate Scholar, 2Assistant Professor, Department Of Civil Engineering Global Institue Of Technology & Engineering, Vellore, India Abstract:Use of Blast Furnace Slag Aggregate in Concrete,When the blast furnace is tapped to release the molten iron, it flows from the furnace with molten slag floating on its upper surface. These two materials are separated using a weir, the molten iron being channelled to a holding vessel and the molten slag to a point where it into be treated further. The final form of the blast furnace
Sep 11, 2020· Blast furnace. Uses iron ore as the source of material and coke as the main fuel and sources of energy. Melts iron ore and coke so it can produce pig iron high in carbon content and this is then is fed into a converter to remove impurities. Needs a high investment in facility development and takes up a large space.Effect of blast-furnace slag as cement replacement on,Blast-furnace slag, a by-product of the steel production, obtains latent-hydraulic properties after rapid cooling and can thus replace clinker in cement. In EN 197-1 (2000), three types of slag cements are defined : CEM III/A (36 65 % BFS), CEM III/B (66 80 % BFS) and CEM III/C (81 95 % BFS)).
Ground-granulated blast-furnace slag (GGBS or GGBFS) is obtained by quenching molten iron slag (a by-product of iron and steel-making) from a blast furnace in water or steam, to produce a glassy, granular product that is then dried and ground into a fine powder. Ground-granulated blast furnaceUSE OF GRANULATED BLAST FURNACE SLAG AS FINE ,USE OF GRANULATED BLAST FURNACE SLAG AS FINE AGGREGATE IN CEMENT MORTAR M C Nataraja1*, P G Dileep Kumar2, A S Manu1 and M C Sanjay1 This paper investigates the possibility of utilizing Granulated Blast Furnace Slag (GBFS) as a sand substitute in cement mortar, in order to reduce environmental problems related to aggregate mining and waste
replacement of OPC with 15% blast furnace slag powder. A. Oner and S. Akyuz  conducted a study in which he replaced cement by weight partially with GGBS in various percentages from 15% 110%. Compressive strength test was conducted on test specimens which cured at 7, 14, 28, 63, 119, 180 and 365 days and it was found that early age,